--- /dev/null
+/* ebrowse.c --- parsing files for the ebrowse C++ browser
+
+ Copyright (C) 1992-1999, 2000 Free Software Foundation Inc.
+
+ Author: Gerd Moellmann <gerd@gnu.org>
+ Maintainer: FSF
+
+ This file is part of GNU Emacs.
+
+ GNU Emacs is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GNU Emacs is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNU Emacs; see the file COPYING. If not, write to
+ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <assert.h>
+#include "getopt.h"
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/* Conditionalize function prototypes. */
+
+#ifdef PROTOTYPES /* From config.h. */
+#define P_(x) x
+#else
+#define P_(x) ()
+#endif
+
+/* Value is non-zero if strings X and Y compare equal. */
+
+#define streq(X, Y) (*(X) == *(Y) && strcmp ((X) + 1, (Y) + 1) == 0)
+
+/* The ubiquitous `max' and `min' macros. */
+
+#ifndef max
+#define max(X, Y) ((X) > (Y) ? (X) : (Y))
+#define min(X, Y) ((X) < (Y) ? (X) : (Y))
+#endif
+
+/* Files are read in chunks of this number of bytes. */
+
+#define READ_CHUNK_SIZE (100 * 1024)
+
+/* The character used as a separator in path lists (like $PATH). */
+
+#define PATH_LIST_SEPARATOR ':'
+
+/* The default output file name. */
+
+#define DEFAULT_OUTFILE "EBROWSE"
+
+/* A version string written to the output file. Change this whenever
+ the structure of the output file changes. */
+
+#define EBROWSE_FILE_VERSION "ebrowse 5.0"
+
+/* The output file consists of a tree of Lisp objects, with major
+ nodes built out of Lisp structures. These are the heads of the
+ Lisp structs with symbols identifying their type. */
+
+#define TREE_HEADER_STRUCT "[ebrowse-hs "
+#define TREE_STRUCT "[ebrowse-ts "
+#define MEMBER_STRUCT "[ebrowse-ms "
+#define BROWSE_STRUCT "[ebrowse-bs "
+#define CLASS_STRUCT "[ebrowse-cs "
+
+/* The name of the symbol table entry for global functions, variables,
+ defines etc. This name also appears in the browser display. */
+
+#define GLOBALS_NAME "*Globals*"
+
+/* Token definitions. */
+
+enum token
+{
+ YYEOF = 0, /* end of file */
+ CSTRING = 256, /* string constant */
+ CCHAR, /* character constant */
+ CINT, /* integral constant */
+ CFLOAT, /* real constant */
+
+ ELLIPSIS, /* ... */
+ LSHIFTASGN, /* <<= */
+ RSHIFTASGN, /* >>= */
+ ARROWSTAR, /* ->* */
+ IDENT, /* identifier */
+ DIVASGN, /* /= */
+ INC, /* ++ */
+ ADDASGN, /* += */
+ DEC, /* -- */
+ ARROW, /* -> */
+ SUBASGN, /* -= */
+ MULASGN, /* *= */
+ MODASGN, /* %= */
+ LOR, /* || */
+ ORASGN, /* |= */
+ LAND, /* && */
+ ANDASGN, /* &= */
+ XORASGN, /* ^= */
+ POINTSTAR, /* .* */
+ DCOLON, /* :: */
+ EQ, /* == */
+ NE, /* != */
+ LE, /* <= */
+ LSHIFT, /* << */
+ GE, /* >= */
+ RSHIFT, /* >> */
+
+/* Keywords. The undef's are there because these
+ three symbols are very likely to be defined somewhere. */
+#undef BOOL
+#undef TRUE
+#undef FALSE
+
+ ASM, /* asm */
+ AUTO, /* auto */
+ BREAK, /* break */
+ CASE, /* case */
+ CATCH, /* catch */
+ CHAR, /* char */
+ CLASS, /* class */
+ CONST, /* const */
+ CONTINUE, /* continue */
+ DEFAULT, /* default */
+ DELETE, /* delete */
+ DO, /* do */
+ DOUBLE, /* double */
+ ELSE, /* else */
+ ENUM, /* enum */
+ EXTERN, /* extern */
+ FLOAT, /* float */
+ FOR, /* for */
+ FRIEND, /* friend */
+ GOTO, /* goto */
+ IF, /* if */
+ T_INLINE, /* inline */
+ INT, /* int */
+ LONG, /* long */
+ NEW, /* new */
+ OPERATOR, /* operator */
+ PRIVATE, /* private */
+ PROTECTED, /* protected */
+ PUBLIC, /* public */
+ REGISTER, /* register */
+ RETURN, /* return */
+ SHORT, /* short */
+ SIGNED, /* signed */
+ SIZEOF, /* sizeof */
+ STATIC, /* static */
+ STRUCT, /* struct */
+ SWITCH, /* switch */
+ TEMPLATE, /* template */
+ THIS, /* this */
+ THROW, /* throw */
+ TRY, /* try */
+ TYPEDEF, /* typedef */
+ UNION, /* union */
+ UNSIGNED, /* unsigned */
+ VIRTUAL, /* virtual */
+ VOID, /* void */
+ VOLATILE, /* volatile */
+ WHILE, /* while */
+ MUTABLE, /* mutable */
+ BOOL, /* bool */
+ TRUE, /* true */
+ FALSE, /* false */
+ SIGNATURE, /* signature (GNU extension) */
+ NAMESPACE, /* namespace */
+ EXPLICIT, /* explicit */
+ TYPENAME, /* typename */
+ CONST_CAST, /* const_cast */
+ DYNAMIC_CAST, /* dynamic_cast */
+ REINTERPRET_CAST, /* reinterpret_cast */
+ STATIC_CAST, /* static_cast */
+ TYPEID, /* typeid */
+ USING, /* using */
+ WCHAR /* wchar_t */
+};
+
+/* Storage classes, in a wider sense. */
+
+enum sc
+{
+ SC_UNKNOWN,
+ SC_MEMBER, /* Is an instance member. */
+ SC_STATIC, /* Is static member. */
+ SC_FRIEND, /* Is friend function. */
+ SC_TYPE /* Is a type definition. */
+};
+
+/* Member visibility. */
+
+enum visibility
+{
+ V_PUBLIC,
+ V_PROTECTED,
+ V_PRIVATE
+};
+
+/* Member flags. */
+
+#define F_VIRTUAL 1 /* Is virtual function. */
+#define F_INLINE 2 /* Is inline function. */
+#define F_CONST 4 /* Is const. */
+#define F_PURE 8 /* Is pure virtual function. */
+#define F_MUTABLE 16 /* Is mutable. */
+#define F_TEMPLATE 32 /* Is a template. */
+#define F_EXPLICIT 64 /* Is explicit constructor. */
+#define F_THROW 128 /* Has a throw specification. */
+#define F_EXTERNC 256 /* Is declared extern "C". */
+#define F_DEFINE 512 /* Is a #define. */
+
+/* Two macros to set and test a bit in an int. */
+
+#define SET_FLAG(F, FLAG) ((F) |= (FLAG))
+#define HAS_FLAG(F, FLAG) (((F) & (FLAG)) != 0)
+
+/* Structure describing a class member. */
+
+struct member
+{
+ struct member *next; /* Next in list of members. */
+ struct member *anext; /* Collision chain in member_table. */
+ struct member **list; /* Pointer to list in class. */
+ unsigned param_hash; /* Hash value for parameter types. */
+ int vis; /* Visibility (public, ...). */
+ int flags; /* See F_* above. */
+ char *regexp; /* Matching regular expression. */
+ char *filename; /* Don't free this shared string. */
+ int pos; /* Buffer position of occurrence. */
+ char *def_regexp; /* Regular expression matching definition. */
+ char *def_filename; /* File name of definition. */
+ int def_pos; /* Buffer position of definition. */
+ char name[1]; /* Member name. */
+};
+
+/* Structures of this type are used to connect class structures with
+ their super and subclasses. */
+
+struct link
+{
+ struct sym *sym; /* The super or subclass. */
+ struct link *next; /* Next in list or NULL. */
+};
+
+/* Structure used to record namespace aliases. */
+
+struct alias
+{
+ struct alias *next; /* Next in list. */
+ char name[1]; /* Alias name. */
+};
+
+/* The structure used to describe a class in the symbol table,
+ or a namespace in all_namespaces. */
+
+struct sym
+{
+ int flags; /* Is class a template class?. */
+ unsigned char visited; /* Used to find circles. */
+ struct sym *next; /* Hash collision list. */
+ struct link *subs; /* List of subclasses. */
+ struct link *supers; /* List of superclasses. */
+ struct member *vars; /* List of instance variables. */
+ struct member *fns; /* List of instance functions. */
+ struct member *static_vars; /* List of static variables. */
+ struct member *static_fns; /* List of static functions. */
+ struct member *friends; /* List of friend functions. */
+ struct member *types; /* List of local types. */
+ char *regexp; /* Matching regular expression. */
+ int pos; /* Buffer position. */
+ char *filename; /* File in which it can be found. */
+ char *sfilename; /* File in which members can be found. */
+ struct sym *namesp; /* Namespace in which defined. . */
+ struct alias *namesp_aliases; /* List of aliases for namespaces. */
+ char name[1]; /* Name of the class. */
+};
+
+/* Experimental: Print info for `--position-info'. We print
+ '(CLASS-NAME SCOPE MEMBER-NAME). */
+
+#define P_DEFN 1
+#define P_DECL 2
+
+int info_where;
+struct sym *info_cls = NULL;
+struct member *info_member = NULL;
+
+/* Experimental. For option `--position-info', the buffer position we
+ are interested in. When this position is reached, print out
+ information about what we know about that point. */
+
+int info_position = -1;
+
+/* Command line options structure for getopt_long. */
+
+struct option options[] =
+{
+ {"append", no_argument, NULL, 'a'},
+ {"files", required_argument, NULL, 'f'},
+ {"help", no_argument, NULL, -2},
+ {"min-regexp-length", required_argument, NULL, 'm'},
+ {"max-regexp-length", required_argument, NULL, 'M'},
+ {"no-nested-classes", no_argument, NULL, 'n'},
+ {"no-regexps", no_argument, NULL, 'x'},
+ {"no-structs-or-unions", no_argument, NULL, 's'},
+ {"output-file", required_argument, NULL, 'o'},
+ {"position-info", required_argument, NULL, 'p'},
+ {"search-path", required_argument, NULL, 'I'},
+ {"verbose", no_argument, NULL, 'v'},
+ {"version", no_argument, NULL, -3},
+ {"very-verbose", no_argument, NULL, 'V'},
+ {NULL, 0, NULL, 0}
+};
+
+/* Semantic values of tokens. Set by yylex.. */
+
+unsigned yyival; /* Set for token CINT. */
+char *yytext; /* Set for token IDENT. */
+char *yytext_end;
+
+/* Output file. */
+
+FILE *yyout;
+
+/* Current line number. */
+
+int yyline;
+
+/* The name of the current input file. */
+
+char *filename;
+
+/* Three character class vectors, and macros to test membership
+ of characters. */
+
+char is_ident[255];
+char is_digit[255];
+char is_white[255];
+
+#define IDENTP(C) is_ident[(unsigned char) (C)]
+#define DIGITP(C) is_digit[(unsigned char) (C)]
+#define WHITEP(C) is_white[(unsigned char) (C)]
+
+/* Command line flags. */
+
+int f_append;
+int f_verbose;
+int f_very_verbose;
+int f_structs = 1;
+int f_regexps = 1;
+int f_nested_classes = 1;
+
+/* Maximum and minimum lengths of regular expressions matching a
+ member, class etc., for writing them to the output file. These are
+ overridable from the command line. */
+
+int min_regexp = 5;
+int max_regexp = 50;
+
+/* Input buffer. */
+
+char *inbuffer;
+char *in;
+int inbuffer_size;
+
+/* Return the current buffer position in the input file. */
+
+#define BUFFER_POS() (in - inbuffer)
+
+/* If current lookahead is CSTRING, the following points to the
+ first character in the string constant. Used for recognizing
+ extern "C". */
+
+char *string_start;
+
+/* The size of the hash tables for classes.and members. Should be
+ prime. */
+
+#define TABLE_SIZE 1001
+
+/* The hash table for class symbols. */
+
+struct sym *class_table[TABLE_SIZE];
+
+/* Hash table containing all member structures. This is generally
+ faster for member lookup than traversing the member lists of a
+ `struct sym'. */
+
+struct member *member_table[TABLE_SIZE];
+
+/* The special class symbol used to hold global functions,
+ variables etc. */
+
+struct sym *global_symbols;
+
+/* The current namespace. */
+
+struct sym *current_namespace;
+
+/* The list of all known namespaces. */
+
+struct sym *all_namespaces;
+
+/* Stack of namespaces we're currently nested in, during the parse. */
+
+struct sym **namespace_stack;
+int namespace_stack_size;
+int namespace_sp;
+
+/* The current lookahead token. */
+
+int tk = -1;
+
+/* Structure describing a keyword. */
+
+struct kw
+{
+ char *name; /* Spelling. */
+ int tk; /* Token value. */
+ struct kw *next; /* Next in collision chain. */
+};
+
+/* Keywords are lookup up in a hash table of their own. */
+
+#define KEYWORD_TABLE_SIZE 1001
+struct kw *keyword_table[KEYWORD_TABLE_SIZE];
+
+/* Search path. */
+
+struct search_path
+{
+ char *path;
+ struct search_path *next;
+};
+
+struct search_path *search_path;
+struct search_path *search_path_tail;
+
+/* Function prototypes. */
+
+int yylex P_ ((void));
+void yyparse P_ ((void));
+void re_init_parser P_ ((void));
+char *token_string P_ ((int));
+char *matching_regexp P_ ((void));
+void init_sym P_ ((void));
+struct sym *add_sym P_ ((char *, struct sym *));
+void add_link P_ ((struct sym *, struct sym *));
+void add_member_defn P_ ((struct sym *, char *, char *,
+ int, unsigned, int, int, int));
+void add_member_decl P_ ((struct sym *, char *, char *, int,
+ unsigned, int, int, int, int));
+void dump_roots P_ ((FILE *));
+void *xmalloc P_ ((int));
+void add_global_defn P_ ((char *, char *, int, unsigned, int, int, int));
+void add_global_decl P_ ((char *, char *, int, unsigned, int, int, int));
+void add_define P_ ((char *, char *, int));
+void mark_inherited_virtual P_ ((void));
+void leave_namespace P_ ((void));
+void enter_namespace P_ ((char *));
+void register_namespace_alias P_ ((char *, char *));
+void insert_keyword P_ ((char *, int));
+void re_init_scanner P_ ((void));
+void init_scanner P_ ((void));
+void usage P_ ((int));
+void version P_ ((void));
+void process_file P_ ((char *));
+void add_search_path P_ ((char *));
+FILE *open_file P_ ((char *));
+int process_pp_line P_ ((void));
+int dump_members P_ ((FILE *, struct member *));
+void dump_sym P_ ((FILE *, struct sym *));
+int dump_tree P_ ((FILE *, struct sym *));
+struct member *find_member P_ ((struct sym *, char *, int, int, unsigned));
+struct member *add_member P_ ((struct sym *, char *, int, int, unsigned));
+void mark_virtual P_ ((struct sym *));
+void mark_virtual P_ ((struct sym *));
+struct sym *make_namespace P_ ((char *));
+char *sym_scope P_ ((struct sym *));
+char *sym_scope_1 P_ ((struct sym *));
+int skip_to P_ ((int));
+void skip_matching P_ ((void));
+void member P_ ((struct sym *, int));
+void class_body P_ ((struct sym *, int));
+void class_definition P_ ((struct sym *, int, int, int));
+void declaration P_ ((int, int));
+unsigned parm_list P_ ((int *));
+char *operator_name P_ ((int *));
+struct sym *parse_classname P_ ((void));
+struct sym *parse_qualified_ident_or_type P_ ((char **));
+void parse_qualified_param_ident_or_type P_ ((char **));
+int globals P_ ((int));
+
+
+\f
+/***********************************************************************
+ Utilities
+ ***********************************************************************/
+
+/* Print an error in a printf-like style with the current input file
+ name and line number. */
+
+void
+yyerror (format, a1, a2, a3, a4, a5)
+ char *format;
+ int a1, a2, a3, a4, a5;
+{
+ fprintf (stderr, "%s:%d: ", filename, yyline);
+ fprintf (stderr, format, a1, a2, a3, a4, a5);
+ putc ('\n', stderr);
+}
+
+
+/* Like malloc but print an error and exit if not enough memory is
+ available. */
+
+void *
+xmalloc (nbytes)
+ int nbytes;
+{
+ void *p = malloc (nbytes);
+ if (p)
+ return p;
+ yyerror ("out of memory");
+ exit (1);
+}
+
+
+/* Like realloc but print an error and exit if out of memory. */
+
+void *
+xrealloc (p, sz)
+ void *p;
+ int sz;
+{
+ p = realloc (p, sz);
+ if (p)
+ return p;
+ yyerror ("out of memory");
+ exit (1);
+}
+
+
+/* Like strdup, but print an error and exit if not enough memory is
+ available.. If S is null, return null. */
+
+char *
+xstrdup (s)
+ char *s;
+{
+ if (s)
+ s = strcpy (xmalloc (strlen (s) + 1), s);
+ return s;
+}
+
+
+\f
+/***********************************************************************
+ Symbols
+ ***********************************************************************/
+
+/* Initialize the symbol table. This currently only sets up the
+ special symbol for globals (`*Globals*'). */
+
+void
+init_sym ()
+{
+ global_symbols = add_sym (GLOBALS_NAME, NULL);
+}
+
+
+/* Add a symbol for class NAME to the symbol table. NESTED_IN_CLASS
+ is the class in which class NAME was found. If it is null,
+ this means the scope of NAME is the current namespace.
+
+ If a symbol for NAME already exists, return that. Otherwise
+ create a new symbol and set it to default values. */
+
+struct sym *
+add_sym (name, nested_in_class)
+ char *name;
+ struct sym *nested_in_class;
+{
+ struct sym *sym;
+ unsigned h;
+ char *s;
+ struct sym *scope = nested_in_class ? nested_in_class : current_namespace;
+
+ for (s = name, h = 0; *s; ++s)
+ h = (h << 1) ^ *s;
+ h %= TABLE_SIZE;
+
+ for (sym = class_table[h]; sym; sym = sym->next)
+ if (streq (name, sym->name) && sym->namesp == scope)
+ break;
+
+ if (sym == NULL)
+ {
+ if (f_very_verbose)
+ {
+ putchar ('\t');
+ puts (name);
+ }
+
+ sym = (struct sym *) xmalloc (sizeof *sym + strlen (name));
+ bzero (sym, sizeof *sym);
+ strcpy (sym->name, name);
+ sym->namesp = scope;
+ sym->next = class_table[h];
+ class_table[h] = sym;
+ }
+
+ return sym;
+}
+
+
+/* Add links between superclass SUPER and subclass SUB. */
+
+void
+add_link (super, sub)
+ struct sym *super, *sub;
+{
+ struct link *lnk, *lnk2, *p, *prev;
+
+ /* See if a link already exists. */
+ for (p = super->subs, prev = NULL;
+ p && strcmp (sub->name, p->sym->name) > 0;
+ prev = p, p = p->next)
+ ;
+
+ /* Avoid duplicates. */
+ if (p == NULL || p->sym != sub)
+ {
+ lnk = (struct link *) xmalloc (sizeof *lnk);
+ lnk2 = (struct link *) xmalloc (sizeof *lnk2);
+
+ lnk->sym = sub;
+ lnk->next = p;
+
+ if (prev)
+ prev->next = lnk;
+ else
+ super->subs = lnk;
+
+ lnk2->sym = super;
+ lnk2->next = sub->supers;
+ sub->supers = lnk2;
+ }
+}
+
+
+/* Find in class CLS member NAME.
+
+ VAR non-zero means look for a member variable; otherwise a function
+ is searched. SC specifies what kind of member is searched---a
+ static, or per-instance member etc. HASH is a hash code for the
+ parameter types of functions. Value is a pointer to the member
+ found or null if not found. */
+
+struct member *
+find_member (cls, name, var, sc, hash)
+ struct sym *cls;
+ char *name;
+ int var, sc;
+ unsigned hash;
+{
+ struct member **list;
+ struct member *p;
+ unsigned name_hash = 0;
+ char *s;
+ int i;
+
+ switch (sc)
+ {
+ case SC_FRIEND:
+ list = &cls->friends;
+ break;
+
+ case SC_TYPE:
+ list = &cls->types;
+ break;
+
+ case SC_STATIC:
+ list = var ? &cls->static_vars : &cls->static_fns;
+ break;
+
+ default:
+ list = var ? &cls->vars : &cls->fns;
+ break;
+ }
+
+ for (s = name; *s; ++s)
+ name_hash = (name_hash << 1) ^ *s;
+ i = name_hash % TABLE_SIZE;
+
+ for (p = member_table[i]; p; p = p->anext)
+ if (p->list == list && p->param_hash == hash && streq (name, p->name))
+ break;
+
+ return p;
+}
+
+
+/* Add to class CLS information for the declaration of member NAME.
+ REGEXP is a regexp matching the declaration, if non-null. POS is
+ the position in the source where the declaration is found. HASH is
+ a hash code for the parameter list of the member, if it's a
+ function. VAR non-zero means member is a variable or type. SC
+ specifies the type of member (instance member, static, ...). VIS
+ is the member's visibility (public, protected, private). FLAGS is
+ a bit set giving additional information about the member (see the
+ F_* defines). */
+
+void
+add_member_decl (cls, name, regexp, pos, hash, var, sc, vis, flags)
+ struct sym *cls;
+ char *name;
+ char *regexp;
+ int pos;
+ unsigned hash;
+ int var;
+ int sc;
+ int vis;
+ int flags;
+{
+ struct member *m;
+
+ m = find_member (cls, name, var, sc, hash);
+ if (m == NULL)
+ m = add_member (cls, name, var, sc, hash);
+
+ /* Have we seen a new filename? If so record that. */
+ if (!cls->filename || !streq (cls->filename, filename))
+ m->filename = filename;
+
+ m->regexp = regexp;
+ m->pos = pos;
+ m->flags = flags;
+
+ switch (vis)
+ {
+ case PRIVATE:
+ m->vis = V_PRIVATE;
+ break;
+
+ case PROTECTED:
+ m->vis = V_PROTECTED;
+ break;
+
+ case PUBLIC:
+ m->vis = V_PUBLIC;
+ break;
+ }
+
+ info_where = P_DECL;
+ info_cls = cls;
+ info_member = m;
+}
+
+
+/* Add to class CLS information for the definition of member NAME.
+ REGEXP is a regexp matching the declaration, if non-null. POS is
+ the position in the source where the declaration is found. HASH is
+ a hash code for the parameter list of the member, if it's a
+ function. VAR non-zero means member is a variable or type. SC
+ specifies the type of member (instance member, static, ...). VIS
+ is the member's visibility (public, protected, private). FLAGS is
+ a bit set giving additional information about the member (see the
+ F_* defines). */
+
+void
+add_member_defn (cls, name, regexp, pos, hash, var, sc, flags)
+ struct sym *cls;
+ char *name;
+ char *regexp;
+ int pos;
+ unsigned hash;
+ int var;
+ int sc;
+ int flags;
+{
+ struct member *m;
+
+ if (sc == SC_UNKNOWN)
+ {
+ m = find_member (cls, name, var, SC_MEMBER, hash);
+ if (m == NULL)
+ {
+ m = find_member (cls, name, var, SC_STATIC, hash);
+ if (m == NULL)
+ m = add_member (cls, name, var, sc, hash);
+ }
+ }
+ else
+ {
+ m = find_member (cls, name, var, sc, hash);
+ if (m == NULL)
+ m = add_member (cls, name, var, sc, hash);
+ }
+
+ if (!cls->sfilename)
+ cls->sfilename = filename;
+
+ if (!streq (cls->sfilename, filename))
+ m->def_filename = filename;
+
+ m->def_regexp = regexp;
+ m->def_pos = pos;
+ m->flags |= flags;
+
+ info_where = P_DEFN;
+ info_cls = cls;
+ info_member = m;
+}
+
+
+/* Add a symbol for a define named NAME to the symbol table.
+ REGEXP is a regular expression matching the define in the source,
+ if it is non-null. POS is the position in the file. */
+
+void
+add_define (name, regexp, pos)
+ char *name, *regexp;
+ int pos;
+{
+ add_global_defn (name, regexp, pos, 0, 1, SC_FRIEND, F_DEFINE);
+ add_global_decl (name, regexp, pos, 0, 1, SC_FRIEND, F_DEFINE);
+}
+
+
+/* Add information for the global definition of NAME.
+ REGEXP is a regexp matching the declaration, if non-null. POS is
+ the position in the source where the declaration is found. HASH is
+ a hash code for the parameter list of the member, if it's a
+ function. VAR non-zero means member is a variable or type. SC
+ specifies the type of member (instance member, static, ...). VIS
+ is the member's visibility (public, protected, private). FLAGS is
+ a bit set giving additional information about the member (see the
+ F_* defines). */
+
+void
+add_global_defn (name, regexp, pos, hash, var, sc, flags)
+ char *name, *regexp;
+ int pos;
+ unsigned hash;
+ int var;
+ int sc;
+ int flags;
+{
+ int i;
+ struct sym *sym;
+
+ /* Try to find out for which classes a function is a friend, and add
+ what we know about it to them. */
+ if (!var)
+ for (i = 0; i < TABLE_SIZE; ++i)
+ for (sym = class_table[i]; sym; sym = sym->next)
+ if (sym != global_symbols && sym->friends)
+ if (find_member (sym, name, 0, SC_FRIEND, hash))
+ add_member_defn (sym, name, regexp, pos, hash, 0,
+ SC_FRIEND, flags);
+
+ /* Add to global symbols. */
+ add_member_defn (global_symbols, name, regexp, pos, hash, var, sc, flags);
+}
+
+
+/* Add information for the global declaration of NAME.
+ REGEXP is a regexp matching the declaration, if non-null. POS is
+ the position in the source where the declaration is found. HASH is
+ a hash code for the parameter list of the member, if it's a
+ function. VAR non-zero means member is a variable or type. SC
+ specifies the type of member (instance member, static, ...). VIS
+ is the member's visibility (public, protected, private). FLAGS is
+ a bit set giving additional information about the member (see the
+ F_* defines). */
+
+void
+add_global_decl (name, regexp, pos, hash, var, sc, flags)
+ char *name, *regexp;
+ int pos;
+ unsigned hash;
+ int var;
+ int sc;
+ int flags;
+{
+ /* Add declaration only if not already declared. Header files must
+ be processed before source files for this to have the right effect.
+ I do not want to handle implicit declarations at the moment. */
+ struct member *m;
+ struct member *found;
+
+ m = found = find_member (global_symbols, name, var, sc, hash);
+ if (m == NULL)
+ m = add_member (global_symbols, name, var, sc, hash);
+
+ /* Definition already seen => probably last declaration implicit.
+ Override. This means that declarations must always be added to
+ the symbol table before definitions. */
+ if (!found)
+ {
+ if (!global_symbols->filename
+ || !streq (global_symbols->filename, filename))
+ m->filename = filename;
+
+ m->regexp = regexp;
+ m->pos = pos;
+ m->vis = V_PUBLIC;
+ m->flags = flags;
+
+ info_where = P_DECL;
+ info_cls = global_symbols;
+ info_member = m;
+ }
+}
+
+
+/* Add a symbol for member NAME to class CLS.
+ VAR non-zero means it's a variable. SC specifies the kind of
+ member. HASH is a hash code for the parameter types of a function.
+ Value is a pointer to the member's structure. */
+
+struct member *
+add_member (cls, name, var, sc, hash)
+ struct sym *cls;
+ char *name;
+ int var;
+ int sc;
+ unsigned hash;
+{
+ struct member *m = (struct member *) xmalloc (sizeof *m + strlen (name));
+ struct member **list;
+ struct member *p;
+ struct member *prev;
+ unsigned name_hash = 0;
+ int i;
+ char *s;
+
+ strcpy (m->name, name);
+ m->param_hash = hash;
+
+ m->vis = 0;
+ m->flags = 0;
+ m->regexp = NULL;
+ m->filename = NULL;
+ m->pos = 0;
+ m->def_regexp = NULL;
+ m->def_filename = NULL;
+ m->def_pos = 0;
+
+ assert (cls != NULL);
+
+ switch (sc)
+ {
+ case SC_FRIEND:
+ list = &cls->friends;
+ break;
+
+ case SC_TYPE:
+ list = &cls->types;
+ break;
+
+ case SC_STATIC:
+ list = var ? &cls->static_vars : &cls->static_fns;
+ break;
+
+ default:
+ list = var ? &cls->vars : &cls->fns;
+ break;
+ }
+
+ for (s = name; *s; ++s)
+ name_hash = (name_hash << 1) ^ *s;
+ i = name_hash % TABLE_SIZE;
+ m->anext = member_table[i];
+ member_table[i] = m;
+ m->list = list;
+
+ /* Keep the member list sorted. It's cheaper to do it here than to
+ sort them in Lisp. */
+ for (prev = NULL, p = *list;
+ p && strcmp (name, p->name) > 0;
+ prev = p, p = p->next)
+ ;
+
+ m->next = p;
+ if (prev)
+ prev->next = m;
+ else
+ *list = m;
+ return m;
+}
+
+
+/* Given the root R of a class tree, step through all subclasses
+ recursively, marking functions as virtual that are declared virtual
+ in base classes. */
+
+void
+mark_virtual (r)
+ struct sym *r;
+{
+ struct link *p;
+ struct member *m, *m2;
+
+ for (p = r->subs; p; p = p->next)
+ {
+ for (m = r->fns; m; m = m->next)
+ if (HAS_FLAG (m->flags, F_VIRTUAL))
+ {
+ for (m2 = p->sym->fns; m2; m2 = m2->next)
+ if (m->param_hash == m2->param_hash && streq (m->name, m2->name))
+ SET_FLAG (m2->flags, F_VIRTUAL);
+ }
+
+ mark_virtual (p->sym);
+ }
+}
+
+
+/* For all roots of the class tree, mark functions as virtual that
+ are virtual because of a virtual declaration in a base class. */
+
+void
+mark_inherited_virtual ()
+{
+ struct sym *r;
+ int i;
+
+ for (i = 0; i < TABLE_SIZE; ++i)
+ for (r = class_table[i]; r; r = r->next)
+ if (r->supers == NULL)
+ mark_virtual (r);
+}
+
+
+/* Create and return a symbol for a namespace with name NAME. */
+
+struct sym *
+make_namespace (name)
+ char *name;
+{
+ struct sym *s = (struct sym *) xmalloc (sizeof *s + strlen (name));
+ bzero (s, sizeof *s);
+ strcpy (s->name, name);
+ s->next = all_namespaces;
+ s->namesp = current_namespace;
+ all_namespaces = s;
+ return s;
+}
+
+
+/* Find the symbol for namespace NAME. If not found, add a new symbol
+ for NAME to all_namespaces. */
+
+struct sym *
+find_namespace (name)
+ char *name;
+{
+ struct sym *p;
+
+ for (p = all_namespaces; p; p = p->next)
+ {
+ if (streq (p->name, name))
+ break;
+ else
+ {
+ struct alias *p2;
+ for (p2 = p->namesp_aliases; p2; p2 = p2->next)
+ if (streq (p2->name, name))
+ break;
+ if (p2)
+ break;
+ }
+ }
+
+ if (p == NULL)
+ p = make_namespace (name);
+
+ return p;
+}
+
+
+/* Register the name NEW_NAME as an alias for namespace OLD_NAME. */
+
+void
+register_namespace_alias (new_name, old_name)
+ char *new_name, *old_name;
+{
+ struct sym *p = find_namespace (old_name);
+ struct alias *al;
+
+ /* Is it already in the list of aliases? */
+ for (al = p->namesp_aliases; al; al = al->next)
+ if (streq (new_name, p->name))
+ return;
+
+ al = (struct alias *) xmalloc (sizeof *al + strlen (new_name));
+ strcpy (al->name, new_name);
+ al->next = p->namesp_aliases;
+ p->namesp_aliases = al;
+}
+
+
+/* Enter namespace with name NAME. */
+
+void
+enter_namespace (name)
+ char *name;
+{
+ struct sym *p = find_namespace (name);
+
+ if (namespace_sp == namespace_stack_size)
+ {
+ int size = max (10, 2 * namespace_stack_size);
+ namespace_stack = (struct sym **) xrealloc (namespace_stack, size);
+ namespace_stack_size = size;
+ }
+
+ namespace_stack[namespace_sp++] = current_namespace;
+ current_namespace = p;
+}
+
+
+/* Leave the current namespace. */
+
+void
+leave_namespace ()
+{
+ assert (namespace_sp > 0);
+ current_namespace = namespace_stack[--namespace_sp];
+}
+
+
+\f
+/***********************************************************************
+ Writing the Output File
+ ***********************************************************************/
+
+/* Write string S to the output file FP in a Lisp-readable form.
+ If S is null, write out `()'. */
+
+#define PUTSTR(s, fp) \
+ do { \
+ if (!s) \
+ { \
+ putc ('(', fp); \
+ putc (')', fp); \
+ putc (' ', fp); \
+ } \
+ else \
+ { \
+ putc ('"', fp); \
+ fputs (s, fp); \
+ putc ('"', fp); \
+ putc (' ', fp); \
+ } \
+ } while (0)
+
+/* A dynamically allocated buffer for constructing a scope name. */
+
+char *scope_buffer;
+int scope_buffer_size;
+int scope_buffer_len;
+
+
+/* Make sure scope_buffer has enough room to add LEN chars to it. */
+
+void
+ensure_scope_buffer_room (len)
+ int len;
+{
+ if (scope_buffer_len + len >= scope_buffer_size)
+ {
+ int new_size = max (2 * scope_buffer_size, scope_buffer_len + len);
+ scope_buffer = (char *) xrealloc (new_size);
+ scope_buffer_size = new_size;
+ }
+}
+
+
+/* Recursively add the scope names of symbol P and the scopes of its
+ namespaces to scope_buffer. Value is a pointer to the complete
+ scope name constructed. */
+
+char *
+sym_scope_1 (p)
+ struct sym *p;
+{
+ int len;
+
+ if (p->namesp)
+ sym_scope_1 (p->namesp);
+
+ if (*scope_buffer)
+ {
+ ensure_scope_buffer_room (3);
+ strcat (scope_buffer, "::");
+ scope_buffer_len += 2;
+ }
+
+ len = strlen (p->name);
+ ensure_scope_buffer_room (len + 1);
+ strcat (scope_buffer, p->name);
+ scope_buffer_len += len;
+
+ if (HAS_FLAG (p->flags, F_TEMPLATE))
+ {
+ ensure_scope_buffer_room (3);
+ strcat (scope_buffer, "<>");
+ scope_buffer_len += 2;
+ }
+
+ return scope_buffer;
+}
+
+
+/* Return the scope of symbol P in printed representation, i.e.
+ as it would appear in a C*+ source file. */
+
+char *
+sym_scope (p)
+ struct sym *p;
+{
+ if (!scope_buffer)
+ {
+ scope_buffer_size = 1024;
+ scope_buffer = (char *) xmalloc (scope_buffer_size);
+ }
+
+ *scope_buffer = '\0';
+ scope_buffer_len = 0;
+
+ if (p->namesp)
+ sym_scope_1 (p->namesp);
+
+ return scope_buffer;
+}
+
+
+/* Dump the list of members M to file FP. Value is the length of the
+ list. */
+
+int
+dump_members (fp, m)
+ FILE *fp;
+ struct member *m;
+{
+ int n;
+
+ putc ('(', fp);
+
+ for (n = 0; m; m = m->next, ++n)
+ {
+ fputs (MEMBER_STRUCT, fp);
+ PUTSTR (m->name, fp);
+ PUTSTR (NULL, fp); /* FIXME? scope for globals */
+ fprintf (fp, "%u ", (unsigned) m->flags);
+ PUTSTR (m->filename, fp);
+ PUTSTR (m->regexp, fp);
+ fprintf (fp, "%u ", (unsigned) m->pos);
+ fprintf (fp, "%u ", (unsigned) m->vis);
+ putc (' ', fp);
+ PUTSTR (m->def_filename, fp);
+ PUTSTR (m->def_regexp, fp);
+ fprintf (fp, "%u", (unsigned) m->def_pos);
+ putc (']', fp);
+ putc ('\n', fp);
+ }
+
+ putc (')', fp);
+ putc ('\n', fp);
+ return n;
+}
+
+
+/* Dump class ROOT to stream FP. */
+
+void
+dump_sym (fp, root)
+ FILE *fp;
+ struct sym *root;
+{
+ fputs (CLASS_STRUCT, fp);
+ PUTSTR (root->name, fp);
+
+ /* Print scope, if any. */
+ if (root->namesp)
+ PUTSTR (sym_scope (root), fp);
+ else
+ PUTSTR (NULL, fp);
+
+ /* Print flags. */
+ fprintf (fp, "%u", root->flags);
+ PUTSTR (root->filename, fp);
+ PUTSTR (root->regexp, fp);
+ fprintf (fp, "%u", (unsigned) root->pos);
+ PUTSTR (root->sfilename, fp);
+ putc (']', fp);
+ putc ('\n', fp);
+}
+
+
+/* Dump class ROOT and its subclasses to file FP. Value is the
+ number of classes written. */
+
+int
+dump_tree (fp, root)
+ FILE *fp;
+ struct sym *root;
+{
+ struct link *lk;
+ unsigned n = 0;
+
+ dump_sym (fp, root);
+
+ if (f_verbose)
+ {
+ putchar ('+');
+ fflush (stdout);
+ }
+
+ putc ('(', fp);
+
+ for (lk = root->subs; lk; lk = lk->next)
+ {
+ fputs (TREE_STRUCT, fp);
+ n += dump_tree (fp, lk->sym);
+ putc (']', fp);
+ }
+
+ putc (')', fp);
+
+ dump_members (fp, root->vars);
+ n += dump_members (fp, root->fns);
+ dump_members (fp, root->static_vars);
+ n += dump_members (fp, root->static_fns);
+ n += dump_members (fp, root->friends);
+ dump_members (fp, root->types);
+
+ /* Superclasses. */
+ putc ('(', fp);
+ putc (')', fp);
+
+ /* Mark slot. */
+ putc ('(', fp);
+ putc (')', fp);
+
+ putc ('\n', fp);
+ return n;
+}
+
+
+/* Dump the entire class tree to file FP. */
+
+void
+dump_roots (fp)
+ FILE *fp;
+{
+ int i, n = 0;
+ struct sym *r;
+
+ /* Output file header containing version string, command line
+ options etc. */
+ if (!f_append)
+ {
+ fputs (TREE_HEADER_STRUCT, fp);
+ PUTSTR (EBROWSE_FILE_VERSION, fp);
+
+ putc ('\"', fp);
+ if (!f_structs)
+ fputs (" -s", fp);
+ if (f_regexps)
+ fputs (" -x", fp);
+ putc ('\"', fp);
+ fputs (" ()", fp);
+ fputs (" ()", fp);
+ putc (']', fp);
+ }
+
+ /* Mark functions as virtual that are so because of functions
+ declared virtual in base classes. */
+ mark_inherited_virtual ();
+
+ /* Dump the roots of the graph. */
+ for (i = 0; i < TABLE_SIZE; ++i)
+ for (r = class_table[i]; r; r = r->next)
+ if (!r->supers)
+ {
+ fputs (TREE_STRUCT, fp);
+ n += dump_tree (fp, r);
+ putc (']', fp);
+ }
+
+ if (f_verbose)
+ putchar ('\n');
+}
+
+
+\f
+/***********************************************************************
+ Scanner
+ ***********************************************************************/
+
+#ifdef DEBUG
+#define INCREMENT_LINENO \
+do { \
+ if (f_very_verbose) \
+ { \
+ ++yyline; \
+ printf ("%d:\n", yyline); \
+ } \
+ else \
+ ++yyline; \
+} while (0)
+#else
+#define INCREMENT_LINENO ++yyline
+#endif
+
+/* Define two macros for accessing the input buffer (current input
+ file). GET(C) sets C to the next input character and advances the
+ input pointer. UNGET retracts the input pointer. */
+
+#define GET(C) ((C) = *in++)
+#define UNGET() (--in)
+
+
+/* Process a preprocessor line. Value is the next character from the
+ input buffer not consumed. */
+
+int
+process_pp_line ()
+{
+ int in_comment = 0;
+ int c;
+ char *p = yytext;
+
+ /* Skip over white space. The `#' has been consumed already. */
+ while (WHITEP (GET (c)))
+ ;
+
+ /* Read the preprocessor command (if any). */
+ while (IDENTP (c))
+ {
+ *p++ = c;
+ GET (c);
+ }
+
+ /* Is it a `define'? */
+ *p = '\0';
+
+ if (*yytext && streq (yytext, "define"))
+ {
+ p = yytext;
+ while (WHITEP (c))
+ GET (c);
+ while (IDENTP (c))
+ {
+ *p++ = c;
+ GET (c);
+ }
+
+ *p = '\0';
+
+ if (*yytext)
+ {
+ char *regexp = matching_regexp ();
+ int pos = BUFFER_POS ();
+ add_define (yytext, regexp, pos);
+ }
+ }
+
+ while (c && (c != '\n' || in_comment))
+ {
+ if (c == '\\')
+ GET (c);
+ else if (c == '/' && !in_comment)
+ {
+ if (GET (c) == '*')
+ in_comment = 1;
+ }
+ else if (c == '*' && in_comment)
+ {
+ if (GET (c) == '/')
+ in_comment = 0;
+ }
+
+ if (c == '\n')
+ INCREMENT_LINENO;
+
+ GET (c);
+ }
+
+ return c;
+}
+
+
+/* Value is the next token from the input buffer. */
+
+int
+yylex ()
+{
+ int c;
+ char end_char;
+ char *p;
+
+ for (;;)
+ {
+ while (WHITEP (GET (c)))
+ ;
+
+ switch (c)
+ {
+ case '\n':
+ INCREMENT_LINENO;
+ break;
+
+ case '\r':
+ break;
+
+ case 0:
+ /* End of file. */
+ return YYEOF;
+
+ case '\\':
+ GET (c);
+ break;
+
+ case '"':
+ case '\'':
+ /* String and character constants. */
+ end_char = c;
+ string_start = in;
+ while (GET (c) && c != end_char)
+ {
+ switch (c)
+ {
+ case '\\':
+ /* Escape sequences. */
+ if (!GET (c))
+ {
+ if (end_char == '\'')
+ yyerror ("EOF in character constant");
+ else
+ yyerror ("EOF in string constant");
+ goto end_string;
+ }
+ else switch (c)
+ {
+ case '\n':
+ case 'a':
+ case 'b':
+ case 'f':
+ case 'n':
+ case 'r':
+ case 't':
+ case 'v':
+ break;
+
+ case 'x':
+ {
+ /* Hexadecimal escape sequence. */
+ int i;
+ for (i = 0; i < 2; ++i)
+ {
+ GET (c);
+
+ if (c >= '0' && c <= '7')
+ ;
+ else if (c >= 'a' && c <= 'f')
+ ;
+ else if (c >= 'A' && c <= 'F')
+ ;
+ else
+ {
+ UNGET ();
+ break;
+ }
+ }
+ }
+ break;
+
+ case '0':
+ {
+ /* Octal escape sequence. */
+ int i;
+ for (i = 0; i < 3; ++i)
+ {
+ GET (c);
+
+ if (c >= '0' && c <= '7')
+ ;
+ else
+ {
+ UNGET ();
+ break;
+ }
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+ break;
+
+ case '\n':
+ if (end_char == '\'')
+ yyerror ("newline in character constant");
+ else
+ yyerror ("newline in string constant");
+ INCREMENT_LINENO;
+ goto end_string;
+
+ default:
+ break;
+ }
+ }
+
+ end_string:
+ return end_char == '\'' ? CCHAR : CSTRING;
+
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
+ case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
+ case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
+ case 'v': case 'w': case 'x': case 'y': case 'z':
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
+ case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
+ case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
+ case 'V': case 'W': case 'X': case 'Y': case 'Z': case '_':
+ {
+ /* Identifier and keywords. */
+ unsigned hash;
+ struct kw *k;
+
+ p = yytext;
+ *p++ = hash = c;
+
+ while (IDENTP (GET (*p)))
+ {
+ hash = (hash << 1) ^ *p++;
+ if (p == yytext_end - 1)
+ {
+ int size = yytext_end - yytext;
+ yytext = (char *) xrealloc (yytext, 2 * size);
+ yytext_end = yytext + 2 * size;
+ p = yytext + size - 1;
+ }
+ }
+
+ UNGET ();
+ *p = 0;
+
+ for (k = keyword_table[hash % KEYWORD_TABLE_SIZE]; k; k = k->next)
+ if (streq (k->name, yytext))
+ return k->tk;
+
+ return IDENT;
+ }
+
+ case '/':
+ /* C and C++ comments, '/' and '/='. */
+ switch (GET (c))
+ {
+ case '*':
+ while (GET (c))
+ {
+ switch (c)
+ {
+ case '*':
+ if (GET (c) == '/')
+ goto comment_end;
+ UNGET ();
+ break;
+ case '\\':
+ GET (c);
+ break;
+ case '\n':
+ INCREMENT_LINENO;
+ break;
+ }
+ }
+ comment_end:;
+ break;
+
+ case '=':
+ return DIVASGN;
+
+ case '/':
+ while (GET (c) && c != '\n')
+ ;
+ INCREMENT_LINENO;
+ break;
+
+ default:
+ UNGET ();
+ return '/';
+ }
+ break;
+
+ case '+':
+ if (GET (c) == '+')
+ return INC;
+ else if (c == '=')
+ return ADDASGN;
+ UNGET ();
+ return '+';
+
+ case '-':
+ switch (GET (c))
+ {
+ case '-':
+ return DEC;
+ case '>':
+ if (GET (c) == '*')
+ return ARROWSTAR;
+ UNGET ();
+ return ARROW;
+ case '=':
+ return SUBASGN;
+ }
+ UNGET ();
+ return '-';
+
+ case '*':
+ if (GET (c) == '=')
+ return MULASGN;
+ UNGET ();
+ return '*';
+
+ case '%':
+ if (GET (c) == '=')
+ return MODASGN;
+ UNGET ();
+ return '%';
+
+ case '|':
+ if (GET (c) == '|')
+ return LOR;
+ else if (c == '=')
+ return ORASGN;
+ UNGET ();
+ return '|';
+
+ case '&':
+ if (GET (c) == '&')
+ return LAND;
+ else if (c == '=')
+ return ANDASGN;
+ UNGET ();
+ return '&';
+
+ case '^':
+ if (GET (c) == '=')
+ return XORASGN;
+ UNGET ();
+ return '^';
+
+ case '.':
+ if (GET (c) == '*')
+ return POINTSTAR;
+ else if (c == '.')
+ {
+ if (GET (c) != '.')
+ yyerror ("invalid token '..' ('...' assumed)");
+ UNGET ();
+ return ELLIPSIS;
+ }
+ else if (!DIGITP (c))
+ {
+ UNGET ();
+ return '.';
+ }
+ goto mantissa;
+
+ case ':':
+ if (GET (c) == ':')
+ return DCOLON;
+ UNGET ();
+ return ':';
+
+ case '=':
+ if (GET (c) == '=')
+ return EQ;
+ UNGET ();
+ return '=';
+
+ case '!':
+ if (GET (c) == '=')
+ return NE;
+ UNGET ();
+ return '!';
+
+ case '<':
+ switch (GET (c))
+ {
+ case '=':
+ return LE;
+ case '<':
+ if (GET (c) == '=')
+ return LSHIFTASGN;
+ UNGET ();
+ return LSHIFT;
+ }
+ UNGET ();
+ return '<';
+
+ case '>':
+ switch (GET (c))
+ {
+ case '=':
+ return GE;
+ case '>':
+ if (GET (c) == '=')
+ return RSHIFTASGN;
+ UNGET ();
+ return RSHIFT;
+ }
+ UNGET ();
+ return '>';
+
+ case '#':
+ c = process_pp_line ();
+ if (c == 0)
+ return YYEOF;
+ break;
+
+ case '(': case ')': case '[': case ']': case '{': case '}':
+ case ';': case ',': case '?': case '~':
+ return c;
+
+ case '0':
+ yyival = 0;
+
+ if (GET (c) == 'x' || c == 'X')
+ {
+ while (GET (c))
+ {
+ if (DIGITP (c))
+ yyival = yyival * 16 + c - '0';
+ else if (c >= 'a' && c <= 'f')
+ yyival = yyival * 16 + c - 'a' + 10;
+ else if (c >= 'A' && c <= 'F')
+ yyival = yyival * 16 + c - 'A' + 10;
+ else
+ break;
+ }
+
+ goto int_suffixes;
+ }
+ else if (c == '.')
+ goto mantissa;
+
+ while (c >= '0' && c <= '7')
+ {
+ yyival = (yyival << 3) + c - '0';
+ GET (c);
+ }
+
+ int_suffixes:
+ /* Integer suffixes. */
+ while (isalpha (c))
+ GET (c);
+ UNGET ();
+ return CINT;
+
+ case '1': case '2': case '3': case '4': case '5': case '6':
+ case '7': case '8': case '9':
+ /* Integer or floating constant, part before '.'. */
+ yyival = c - '0';
+
+ while (GET (c) && DIGITP (c))
+ yyival = 10 * yyival + c - '0';
+
+ if (c != '.')
+ goto int_suffixes;
+
+ mantissa:
+ /* Digits following '.'. */
+ while (DIGITP (c))
+ GET (c);
+
+ /* Optional exponent. */
+ if (c == 'E' || c == 'e')
+ {
+ if (GET (c) == '-' || c == '+')
+ GET (c);
+
+ while (DIGITP (c))
+ GET (c);
+ }
+
+ /* Optional type suffixes. */
+ while (isalpha (c))
+ GET (c);
+ UNGET ();
+ return CFLOAT;
+
+ default:
+ break;
+ }
+ }
+}
+
+
+/* Value is the string from the start of the line to the current
+ position in the input buffer, or maybe a bit more if that string is
+ shorter than min_regexp. */
+
+char *
+matching_regexp ()
+{
+ char *p;
+ char *s;
+ char *t;
+ static char *buffer, *end_buf;
+
+ if (!f_regexps)
+ return NULL;
+
+ if (buffer == NULL)
+ {
+ buffer = (char *) xmalloc (max_regexp);
+ end_buf = &buffer[max_regexp] - 1;
+ }
+
+ /* Scan back to previous newline of buffer start. */
+ for (p = in - 1; p > inbuffer && *p != '\n'; --p)
+ ;
+
+ if (*p == '\n')
+ {
+ while (in - p < min_regexp && p > inbuffer)
+ {
+ /* Line probably not significant enough */
+ for (--p; p >= inbuffer && *p != '\n'; --p)
+ ;
+ }
+ if (*p == '\n')
+ ++p;
+ }
+
+ /* Copy from end to make sure significant portions are included.
+ This implies that in the browser a regular expressing of the form
+ `^.*{regexp}' has to be used. */
+ for (s = end_buf - 1, t = in; s > buffer && t > p;)
+ {
+ *--s = *--t;
+
+ if (*s == '"')
+ *--s = '\\';
+ }
+
+ *(end_buf - 1) = '\0';
+ return xstrdup (s);
+}
+
+
+/* Return a printable representation of token T. */
+
+char *
+token_string (t)
+ int t;
+{
+ static char b[3];
+
+ switch (t)
+ {
+ case CSTRING: return "string constant";
+ case CCHAR: return "char constant";
+ case CINT: return "int constant";
+ case CFLOAT: return "floating constant";
+ case ELLIPSIS: return "...";
+ case LSHIFTASGN: return "<<=";
+ case RSHIFTASGN: return ">>=";
+ case ARROWSTAR: return "->*";
+ case IDENT: return "identifier";
+ case DIVASGN: return "/=";
+ case INC: return "++";
+ case ADDASGN: return "+=";
+ case DEC: return "--";
+ case ARROW: return "->";
+ case SUBASGN: return "-=";
+ case MULASGN: return "*=";
+ case MODASGN: return "%=";
+ case LOR: return "||";
+ case ORASGN: return "|=";
+ case LAND: return "&&";
+ case ANDASGN: return "&=";
+ case XORASGN: return "^=";
+ case POINTSTAR: return ".*";
+ case DCOLON: return "::";
+ case EQ: return "==";
+ case NE: return "!=";
+ case LE: return "<=";
+ case LSHIFT: return "<<";
+ case GE: return ">=";
+ case RSHIFT: return ">>";
+ case ASM: return "asm";
+ case AUTO: return "auto";
+ case BREAK: return "break";
+ case CASE: return "case";
+ case CATCH: return "catch";
+ case CHAR: return "char";
+ case CLASS: return "class";
+ case CONST: return "const";
+ case CONTINUE: return "continue";
+ case DEFAULT: return "default";
+ case DELETE: return "delete";
+ case DO: return "do";
+ case DOUBLE: return "double";
+ case ELSE: return "else";
+ case ENUM: return "enum";
+ case EXTERN: return "extern";
+ case FLOAT: return "float";
+ case FOR: return "for";
+ case FRIEND: return "friend";
+ case GOTO: return "goto";
+ case IF: return "if";
+ case T_INLINE: return "inline";
+ case INT: return "int";
+ case LONG: return "long";
+ case NEW: return "new";
+ case OPERATOR: return "operator";
+ case PRIVATE: return "private";
+ case PROTECTED: return "protected";
+ case PUBLIC: return "public";
+ case REGISTER: return "register";
+ case RETURN: return "return";
+ case SHORT: return "short";
+ case SIGNED: return "signed";
+ case SIZEOF: return "sizeof";
+ case STATIC: return "static";
+ case STRUCT: return "struct";
+ case SWITCH: return "switch";
+ case TEMPLATE: return "template";
+ case THIS: return "this";
+ case THROW: return "throw";
+ case TRY: return "try";
+ case TYPEDEF: return "typedef";
+ case UNION: return "union";
+ case UNSIGNED: return "unsigned";
+ case VIRTUAL: return "virtual";
+ case VOID: return "void";
+ case VOLATILE: return "volatile";
+ case WHILE: return "while";
+ case YYEOF: return "EOF";
+ }
+
+ assert (t < 255);
+ b[0] = t;
+ b[1] = '\0';
+ return b;
+}
+
+
+/* Reinitialize the scanner for a new input file. */
+
+void
+re_init_scanner ()
+{
+ in = inbuffer;
+ yyline = 1;
+
+ if (yytext == NULL)
+ {
+ int size = 256;
+ yytext = (char *) xmalloc (size * sizeof *yytext);
+ yytext_end = yytext + size;
+ }
+}
+
+
+/* Insert a keyword NAME with token value TK into the keyword hash
+ table. */
+
+void
+insert_keyword (name, tk)
+ char *name;
+ int tk;
+{
+ char *s;
+ unsigned h = 0;
+ struct kw *k = (struct kw *) xmalloc (sizeof *k);
+
+ for (s = name; *s; ++s)
+ h = (h << 1) ^ *s;
+
+ h %= KEYWORD_TABLE_SIZE;
+ k->name = name;
+ k->tk = tk;
+ k->next = keyword_table[h];
+ keyword_table[h] = k;
+}
+
+
+/* Initialize the scanner for the first file. This sets up the
+ character class vectors and fills the keyword hash table. */
+
+void
+init_scanner ()
+{
+ int i;
+
+ /* Allocate the input buffer */
+ inbuffer_size = READ_CHUNK_SIZE + 1;
+ inbuffer = in = (char *) xmalloc (inbuffer_size);
+ yyline = 1;
+
+ /* Set up character class vectors. */
+ for (i = 0; i < sizeof is_ident; ++i)
+ {
+ if (i == '_' || isalnum (i))
+ is_ident[i] = 1;
+
+ if (i >= '0' && i <= '9')
+ is_digit[i] = 1;
+
+ if (i == ' ' || i == '\t' || i == '\f' || i == '\v')
+ is_white[i] = 1;
+ }
+
+ /* Fill keyword hash table. */
+ insert_keyword ("and", LAND);
+ insert_keyword ("and_eq", ANDASGN);
+ insert_keyword ("asm", ASM);
+ insert_keyword ("auto", AUTO);
+ insert_keyword ("bitand", '&');
+ insert_keyword ("bitor", '|');
+ insert_keyword ("bool", BOOL);
+ insert_keyword ("break", BREAK);
+ insert_keyword ("case", CASE);
+ insert_keyword ("catch", CATCH);
+ insert_keyword ("char", CHAR);
+ insert_keyword ("class", CLASS);
+ insert_keyword ("compl", '~');
+ insert_keyword ("const", CONST);
+ insert_keyword ("const_cast", CONST_CAST);
+ insert_keyword ("continue", CONTINUE);
+ insert_keyword ("default", DEFAULT);
+ insert_keyword ("delete", DELETE);
+ insert_keyword ("do", DO);
+ insert_keyword ("double", DOUBLE);
+ insert_keyword ("dynamic_cast", DYNAMIC_CAST);
+ insert_keyword ("else", ELSE);
+ insert_keyword ("enum", ENUM);
+ insert_keyword ("explicit", EXPLICIT);
+ insert_keyword ("extern", EXTERN);
+ insert_keyword ("false", FALSE);
+ insert_keyword ("float", FLOAT);
+ insert_keyword ("for", FOR);
+ insert_keyword ("friend", FRIEND);
+ insert_keyword ("goto", GOTO);
+ insert_keyword ("if", IF);
+ insert_keyword ("inline", T_INLINE);
+ insert_keyword ("int", INT);
+ insert_keyword ("long", LONG);
+ insert_keyword ("mutable", MUTABLE);
+ insert_keyword ("namespace", NAMESPACE);
+ insert_keyword ("new", NEW);
+ insert_keyword ("not", '!');
+ insert_keyword ("not_eq", NE);
+ insert_keyword ("operator", OPERATOR);
+ insert_keyword ("or", LOR);
+ insert_keyword ("or_eq", ORASGN);
+ insert_keyword ("private", PRIVATE);
+ insert_keyword ("protected", PROTECTED);
+ insert_keyword ("public", PUBLIC);
+ insert_keyword ("register", REGISTER);
+ insert_keyword ("reinterpret_cast", REINTERPRET_CAST);
+ insert_keyword ("return", RETURN);
+ insert_keyword ("short", SHORT);
+ insert_keyword ("signed", SIGNED);
+ insert_keyword ("sizeof", SIZEOF);
+ insert_keyword ("static", STATIC);
+ insert_keyword ("static_cast", STATIC_CAST);
+ insert_keyword ("struct", STRUCT);
+ insert_keyword ("switch", SWITCH);
+ insert_keyword ("template", TEMPLATE);
+ insert_keyword ("this", THIS);
+ insert_keyword ("throw", THROW);
+ insert_keyword ("true", TRUE);
+ insert_keyword ("try", TRY);
+ insert_keyword ("typedef", TYPEDEF);
+ insert_keyword ("typeid", TYPEID);
+ insert_keyword ("typename", TYPENAME);
+ insert_keyword ("union", UNION);
+ insert_keyword ("unsigned", UNSIGNED);
+ insert_keyword ("using", USING);
+ insert_keyword ("virtual", VIRTUAL);
+ insert_keyword ("void", VOID);
+ insert_keyword ("volatile", VOLATILE);
+ insert_keyword ("wchar_t", WCHAR);
+ insert_keyword ("while", WHILE);
+ insert_keyword ("xor", '^');
+ insert_keyword ("xor_eq", XORASGN);
+}
+
+
+\f
+/***********************************************************************
+ Parser
+ ***********************************************************************/
+
+/* Match the current lookahead token and set it to the next token. */
+
+#define MATCH() (tk = yylex ())
+
+/* Return the lookahead token. If current lookahead token is cleared,
+ read a new token. */
+
+#define LA1 (tk == -1 ? (tk = yylex ()) : tk)
+
+/* Is the current lookahead equal to the token T? */
+
+#define LOOKING_AT(T) (tk == (T))
+
+/* Is the current lookahead one of T1 or T2? */
+
+#define LOOKING_AT2(T1, T2) (tk == (T1) || tk == (T2))
+
+/* Is the current lookahead one of T1, T2 or T3? */
+
+#define LOOKING_AT3(T1, T2, T3) (tk == (T1) || tk == (T2) || tk == (T3))
+
+/* Is the current lookahead one of T1...T4? */
+
+#define LOOKING_AT4(T1, T2, T3, T4) \
+ (tk == (T1) || tk == (T2) || tk == (T3) || tk == (T4))
+
+/* Match token T if current lookahead is T. */
+
+#define MATCH_IF(T) if (LOOKING_AT (T)) MATCH (); else ((void) 0)
+
+/* Skip to matching token if current token is T. */
+
+#define SKIP_MATCHING_IF(T) \
+ if (LOOKING_AT (T)) skip_matching (); else ((void) 0)
+
+
+/* Skip forward until a given token TOKEN or YYEOF is seen and return
+ the current lookahead token after skipping. */
+
+int
+skip_to (token)
+ int token;
+{
+ while (!LOOKING_AT2 (YYEOF, token))
+ MATCH ();
+ return tk;
+}
+
+
+/* Skip over pairs of tokens (parentheses, square brackets,
+ angle brackets, curly brackets) matching the current lookahead. */
+
+void
+skip_matching ()
+{
+ int open, close, n;
+
+ switch (open = LA1)
+ {
+ case '{':
+ close = '}';
+ break;
+
+ case '(':
+ close = ')';
+ break;
+
+ case '<':
+ close = '>';
+ break;
+
+ case '[':
+ close = ']';
+ break;
+
+ default:
+ abort ();
+ }
+
+ for (n = 0;;)
+ {
+ if (LOOKING_AT (open))
+ ++n;
+ else if (LOOKING_AT (close))
+ --n;
+ else if (LOOKING_AT (YYEOF))
+ break;
+
+ MATCH ();
+
+ if (n == 0)
+ break;
+ }
+}
+
+
+/* Re-initialize the parser by resetting the lookahead token. */
+
+void
+re_init_parser ()
+{
+ tk = -1;
+}
+
+
+/* Parse a parameter list, including the const-specifier,
+ pure-specifier, and throw-list that may follow a parameter list.
+ Return in FLAGS what was seen following the parameter list.
+ Returns a hash code for the parameter types. This value is used to
+ distinguish between overloaded functions. */
+
+unsigned
+parm_list (flags)
+ int *flags;
+{
+ unsigned hash = 0;
+ int type_seen = 0;
+
+ while (!LOOKING_AT2 (YYEOF, ')'))
+ {
+ switch (LA1)
+ {
+ /* Skip over grouping parens or parameter lists in parameter
+ declarations. */
+ case '(':
+ skip_matching ();
+ break;
+
+ /* Next parameter. */
+ case ',':
+ MATCH ();
+ type_seen = 0;
+ break;
+
+ /* Ignore the scope part of types, if any. This is because
+ some types need scopes when defined outside of a class body,
+ and don't need them inside the class body. This means that
+ we have to look for the last IDENT in a sequence of
+ IDENT::IDENT::... */
+ case IDENT:
+ if (!type_seen)
+ {
+ char *s;
+ unsigned ident_type_hash = 0;
+
+ parse_qualified_param_ident_or_type (&s);
+ for (; *s; ++s)
+ ident_type_hash = (ident_type_hash << 1) ^ *s;
+ hash = (hash << 1) ^ ident_type_hash;
+ type_seen = 1;
+ }
+ else
+ MATCH ();
+ break;
+
+ case VOID:
+ /* This distinction is made to make `func (void)' equivalent
+ to `func ()'. */
+ type_seen = 1;
+ MATCH ();
+ if (!LOOKING_AT (')'))
+ hash = (hash << 1) ^ VOID;
+ break;
+
+ case BOOL: case CHAR: case CLASS: case CONST:
+ case DOUBLE: case ENUM: case FLOAT: case INT:
+ case LONG: case SHORT: case SIGNED: case STRUCT:
+ case UNION: case UNSIGNED: case VOLATILE: case WCHAR:
+ case ELLIPSIS:
+ type_seen = 1;
+ hash = (hash << 1) ^ LA1;
+ MATCH ();
+ break;
+
+ case '*': case '&': case '[': case ']':
+ hash = (hash << 1) ^ LA1;
+ MATCH ();
+ break;
+
+ default:
+ MATCH ();
+ break;
+ }
+ }
+
+ if (LOOKING_AT (')'))
+ {
+ MATCH ();
+
+ if (LOOKING_AT (CONST))
+ {
+ /* We can overload the same function on `const' */
+ hash = (hash << 1) ^ CONST;
+ SET_FLAG (*flags, F_CONST);
+ MATCH ();
+ }
+
+ if (LOOKING_AT (THROW))
+ {
+ MATCH ();
+ SKIP_MATCHING_IF ('(');
+ SET_FLAG (*flags, F_THROW);
+ }
+
+ if (LOOKING_AT ('='))
+ {
+ MATCH ();
+ if (LOOKING_AT (CINT) && yyival == 0)
+ {
+ MATCH ();
+ SET_FLAG (*flags, F_PURE);
+ }
+ }
+ }
+
+ return hash;
+}
+
+
+/* Print position info to stdout. */
+
+void
+print_info ()
+{
+ if (info_position >= 0 && BUFFER_POS () <= info_position)
+ if (info_cls)
+ printf ("(\"%s\" \"%s\" \"%s\" %d)\n",
+ info_cls->name, sym_scope (info_cls),
+ info_member->name, info_where);
+}
+
+
+/* Parse a member declaration within the class body of CLS. VIS is
+ the access specifier for the member (private, protected,
+ public). */
+
+void
+member (cls, vis)
+ struct sym *cls;
+ int vis;
+{
+ char *id = NULL;
+ int sc = SC_MEMBER;
+ char *regexp = NULL;
+ int pos;
+ int is_constructor;
+ int anonymous = 0;
+ int flags = 0;
+ int class_tag;
+ int type_seen = 0;
+ int paren_seen = 0;
+ unsigned hash = 0;
+ int tilde = 0;
+
+ while (!LOOKING_AT4 (';', '{', '}', YYEOF))
+ {
+ switch (LA1)
+ {
+ default:
+ MATCH ();
+ break;
+
+ /* A function or class may follow. */
+ case TEMPLATE:
+ MATCH();
+ SET_FLAG (flags, F_TEMPLATE);
+ /* Skip over template argument list */
+ SKIP_MATCHING_IF ('<');
+ break;
+
+ case EXPLICIT:
+ SET_FLAG (flags, F_EXPLICIT);
+ goto typeseen;
+
+ case MUTABLE:
+ SET_FLAG (flags, F_MUTABLE);
+ goto typeseen;
+
+ case T_INLINE:
+ SET_FLAG (flags, F_INLINE);
+ goto typeseen;
+
+ case VIRTUAL:
+ SET_FLAG (flags, F_VIRTUAL);
+ goto typeseen;
+
+ case '[':
+ skip_matching ();
+ break;
+
+ case ENUM:
+ sc = SC_TYPE;
+ goto typeseen;
+
+ case TYPEDEF:
+ sc = SC_TYPE;
+ goto typeseen;
+
+ case FRIEND:
+ sc = SC_FRIEND;
+ goto typeseen;
+
+ case STATIC:
+ sc = SC_STATIC;
+ goto typeseen;
+
+ case '~':
+ tilde = 1;
+ MATCH ();
+ break;
+
+ case IDENT:
+ /* Remember IDENTS seen so far. Among these will be the member
+ name. */
+ id = (char *) alloca (strlen (yytext) + 2);
+ if (tilde)
+ {
+ *id = '~';
+ strcpy (id + 1, yytext);
+ }
+ else
+ strcpy (id, yytext);
+ MATCH ();
+ break;
+
+ case OPERATOR:
+ id = operator_name (&sc);
+ break;
+
+ case '(':
+ /* Most probably the beginning of a parameter list. */
+ MATCH ();
+ paren_seen = 1;
+
+ if (id && cls)
+ {
+ if (!(is_constructor = streq (id, cls->name)))
+ regexp = matching_regexp ();
+ }
+ else
+ is_constructor = 0;
+
+ pos = BUFFER_POS ();
+ hash = parm_list (&flags);
+
+ if (is_constructor)
+ regexp = matching_regexp ();
+
+ if (id && cls != NULL)
+ add_member_decl (cls, id, regexp, pos, hash, 0, sc, vis, flags);
+
+ while (!LOOKING_AT3 (';', '{', YYEOF))
+ MATCH ();
+
+ if (LOOKING_AT ('{') && id && cls)
+ add_member_defn (cls, id, regexp, pos, hash, 0, sc, flags);
+
+ id = NULL;
+ sc = SC_MEMBER;
+ break;
+
+ case STRUCT: case UNION: case CLASS:
+ /* Nested class */
+ class_tag = LA1;
+ type_seen = 1;
+ MATCH ();
+ anonymous = 1;
+
+ /* More than one ident here to allow for MS-DOS specialties
+ like `_export class' etc. The last IDENT seen counts
+ as the class name. */
+ while (!LOOKING_AT4 (YYEOF, ';', ':', '{'))
+ {
+ if (LOOKING_AT (IDENT))
+ anonymous = 0;
+ MATCH ();
+ }
+
+ if (LOOKING_AT2 (':', '{'))
+ class_definition (anonymous ? NULL : cls, class_tag, flags, 1);
+ else
+ skip_to (';');
+ break;
+
+ case INT: case CHAR: case LONG: case UNSIGNED:
+ case SIGNED: case CONST: case DOUBLE: case VOID:
+ case SHORT: case VOLATILE: case BOOL: case WCHAR:
+ case TYPENAME:
+ typeseen:
+ type_seen = 1;
+ MATCH ();
+ break;
+ }
+ }
+
+ if (LOOKING_AT (';'))
+ {
+ /* The end of a member variable, a friend declaration or an access
+ declaration. We don't want to add friend classes as members. */
+ if (id && sc != SC_FRIEND && cls)
+ {
+ regexp = matching_regexp ();
+ pos = BUFFER_POS ();
+
+ if (cls != NULL)
+ {
+ if (type_seen || !paren_seen)
+ add_member_decl (cls, id, regexp, pos, 0, 1, sc, vis, 0);
+ else
+ add_member_decl (cls, id, regexp, pos, hash, 0, sc, vis, 0);
+ }
+ }
+
+ MATCH ();
+ print_info ();
+ }
+ else if (LOOKING_AT ('{'))
+ {
+ /* A named enum. */
+ if (sc == SC_TYPE && id && cls)
+ {
+ regexp = matching_regexp ();
+ pos = BUFFER_POS ();
+
+ if (cls != NULL)
+ {
+ add_member_decl (cls, id, regexp, pos, 0, 1, sc, vis, 0);
+ add_member_defn (cls, id, regexp, pos, 0, 1, sc, 0);
+ }
+ }
+
+ skip_matching ();
+ print_info ();
+ }
+}
+
+
+/* Parse the body of class CLS. TAG is the tag of the class (struct,
+ union, class). */
+
+void
+class_body (cls, tag)
+ struct sym *cls;
+ int tag;
+{
+ int vis = tag == CLASS ? PRIVATE : PUBLIC;
+ int temp;
+
+ while (!LOOKING_AT2 (YYEOF, '}'))
+ {
+ switch (LA1)
+ {
+ case PRIVATE: case PROTECTED: case PUBLIC:
+ temp = LA1;
+ MATCH ();
+
+ if (LOOKING_AT (':'))
+ {
+ vis = temp;
+ MATCH ();
+ }
+ else
+ {
+ /* Probably conditional compilation for inheritance list.
+ We don't known whether there comes more of this.
+ This is only a crude fix that works most of the time. */
+ do
+ {
+ MATCH ();
+ }
+ while (LOOKING_AT2 (IDENT, ',')
+ || LOOKING_AT3 (PUBLIC, PROTECTED, PRIVATE));
+ }
+ break;
+
+ case TYPENAME:
+ case USING:
+ skip_to (';');
+ break;
+
+ /* Try to synchronize */
+ case CHAR: case CLASS: case CONST:
+ case DOUBLE: case ENUM: case FLOAT: case INT:
+ case LONG: case SHORT: case SIGNED: case STRUCT:
+ case UNION: case UNSIGNED: case VOID: case VOLATILE:
+ case TYPEDEF: case STATIC: case T_INLINE: case FRIEND:
+ case VIRTUAL: case TEMPLATE: case IDENT: case '~':
+ case BOOL: case WCHAR: case EXPLICIT: case MUTABLE:
+ member (cls, vis);
+ break;
+
+ default:
+ MATCH ();
+ break;
+ }
+ }
+}
+
+
+/* Parse a qualified identifier. Current lookahead is IDENT. A
+ qualified ident has the form `X<..>::Y<...>::T<...>. Returns a
+ symbol for that class. */
+
+struct sym *
+parse_classname ()
+{
+ struct sym *last_class = NULL;
+
+ while (LOOKING_AT (IDENT))
+ {
+ last_class = add_sym (yytext, last_class);
+ MATCH ();
+
+ if (LOOKING_AT ('<'))
+ {
+ skip_matching ();
+ SET_FLAG (last_class->flags, F_TEMPLATE);
+ }
+
+ if (!LOOKING_AT (DCOLON))
+ break;
+
+ MATCH ();
+ }
+
+ return last_class;
+}
+
+
+/* Parse an operator name. Add the `static' flag to *SC if an
+ implicitly static operator has been parsed. Value is a pointer to
+ a static buffer holding the constructed operator name string. */
+
+char *
+operator_name (sc)
+ int *sc;
+{
+ static int id_size = 0;
+ static char *id = NULL;
+ char *s;
+ int len;
+
+ MATCH ();
+
+ if (LOOKING_AT2 (NEW, DELETE))
+ {
+ /* `new' and `delete' are implicitly static. */
+ if (*sc != SC_FRIEND)
+ *sc = SC_STATIC;
+
+ s = token_string (LA1);
+ MATCH ();
+
+ len = strlen (s) + 10;
+ if (len > id_size)
+ {
+ int new_size = max (len, 2 * id_size);
+ id = (char *) xrealloc (id, new_size);
+ id_size = new_size;
+ }
+ strcpy (id, s);
+
+ /* Vector new or delete? */
+ if (LOOKING_AT ('['))
+ {
+ strcat (id, "[");
+ MATCH ();
+
+ if (LOOKING_AT (']'))
+ {
+ strcat (id, "]");
+ MATCH ();
+ }
+ }
+ }
+ else
+ {
+ int tokens_matched = 0;
+
+ len = 20;
+ if (len > id_size)
+ {
+ int new_size = max (len, 2 * id_size);
+ id = (char *) xrealloc (id, new_size);
+ id_size = new_size;
+ }
+ strcpy (id, "operator");
+
+ /* Beware access declarations of the form "X::f;" Beware of
+ `operator () ()'. Yet another difficulty is found in
+ GCC 2.95's STL: `operator == __STL_NULL_TMPL_ARGS (...'. */
+ while (!(LOOKING_AT ('(') && tokens_matched)
+ && !LOOKING_AT2 (';', YYEOF))
+ {
+ s = token_string (LA1);
+ len += strlen (s) + 2;
+ if (len > id_size)
+ {
+ int new_size = max (len, 2 * id_size);
+ id = (char *) xrealloc (id, new_size);
+ id_size = new_size;
+ }
+
+ if (*s != ')' && *s != ']')
+ strcat (id, " ");
+ strcat (id, s);
+ MATCH ();
+
+ /* If this is a simple operator like `+', stop now. */
+ if (!isalpha (*s) && *s != '(' && *s != '[')
+ break;
+
+ ++tokens_matched;
+ }
+ }
+
+ return id;
+}
+
+
+/* This one consumes the last IDENT of a qualified member name like
+ `X::Y::z'. This IDENT is returned in LAST_ID. Value if the
+ symbol structure for the ident. */
+
+struct sym *
+parse_qualified_ident_or_type (last_id)
+ char **last_id;
+{
+ struct sym *cls = NULL;
+ static char *id = NULL;
+ static int id_size = 0;
+
+ while (LOOKING_AT (IDENT))
+ {
+ int len = strlen (yytext) + 1;
+ if (len > id_size)
+ {
+ id = (char *) xrealloc (id, len);
+ id_size = len;
+ }
+ strcpy (id, yytext);
+ *last_id = id;
+ MATCH ();
+
+ SKIP_MATCHING_IF ('<');
+
+ if (LOOKING_AT (DCOLON))
+ {
+ cls = add_sym (id, cls);
+ *last_id = NULL;
+ MATCH ();
+ }
+ else
+ break;
+ }
+
+ return cls;
+}
+
+
+/* This one consumes the last IDENT of a qualified member name like
+ `X::Y::z'. This IDENT is returned in LAST_ID. Value if the
+ symbol structure for the ident. */
+
+void
+parse_qualified_param_ident_or_type (last_id)
+ char **last_id;
+{
+ struct sym *cls = NULL;
+ static char *id = NULL;
+ static int id_size = 0;
+
+ while (LOOKING_AT (IDENT))
+ {
+ int len = strlen (yytext) + 1;
+ if (len > id_size)
+ {
+ id = (char *) xrealloc (id, len);
+ id_size = len;
+ }
+ strcpy (id, yytext);
+ *last_id = id;
+ MATCH ();
+
+ SKIP_MATCHING_IF ('<');
+
+ if (LOOKING_AT (DCOLON))
+ {
+ cls = add_sym (id, cls);
+ *last_id = NULL;
+ MATCH ();
+ }
+ else
+ break;
+ }
+}
+
+
+/* Parse a class definition.
+
+ CONTAINING is the class containing the class being parsed or null.
+ This may also be null if NESTED != 0 if the containing class is
+ anonymous. TAG is the tag of the class (struct, union, class).
+ NESTED is non-zero if we are parsing a nested class.
+
+ Current lookahead is the class name. */
+
+void
+class_definition (containing, tag, flags, nested)
+ struct sym *containing;
+ int tag;
+ int flags;
+ int nested;
+{
+ register int token;
+ struct sym *current;
+ struct sym *base_class;
+
+ /* Set CURRENT to null if no entry has to be made for the class
+ parsed. This is the case for certain command line flag
+ settings. */
+ if ((tag != CLASS && !f_structs) || (nested && !f_nested_classes))
+ current = NULL;
+ else
+ {
+ current = add_sym (yytext, containing);
+ current->pos = BUFFER_POS ();
+ current->regexp = matching_regexp ();
+ current->filename = filename;
+ current->flags = flags;
+ }
+
+ /* If at ':', base class list follows. */
+ if (LOOKING_AT (':'))
+ {
+ int done = 0;
+ MATCH ();
+
+ while (!done)
+ {
+ switch (token = LA1)
+ {
+ case VIRTUAL: case PUBLIC: case PROTECTED: case PRIVATE:
+ MATCH ();
+ break;
+
+ case IDENT:
+ base_class = parse_classname ();
+ if (base_class && current && base_class != current)
+ add_link (base_class, current);
+ break;
+
+ /* The `,' between base classes or the end of the base
+ class list. Add the previously found base class.
+ It's done this way to skip over sequences of
+ `A::B::C' until we reach the end.
+
+ FIXME: it is now possible to handle `class X : public B::X'
+ because we have enough information. */
+ case ',':
+ MATCH ();
+ break;
+
+ default:
+ /* A syntax error, possibly due to preprocessor constructs
+ like
+
+ #ifdef SOMETHING
+ class A : public B
+ #else
+ class A : private B.
+
+ MATCH until we see something like `;' or `{'. */
+ while (!LOOKING_AT3 (';', YYEOF, '{'))
+ MATCH ();
+ done = 1;
+
+ case '{':
+ done = 1;
+ break;
+ }
+ }
+ }
+
+ /* Parse the class body if there is one. */
+ if (LOOKING_AT ('{'))
+ {
+ if (tag != CLASS && !f_structs)
+ skip_matching ();
+ else
+ {
+ MATCH ();
+ class_body (current, tag);
+
+ if (LOOKING_AT ('}'))
+ {
+ MATCH ();
+ if (LOOKING_AT (';') && !nested)
+ MATCH ();
+ }
+ }
+ }
+}
+
+
+/* Parse a declaration. */
+
+void
+declaration (is_extern, flags)
+ int is_extern;
+ int flags;
+{
+ char *id = NULL;
+ struct sym *cls = NULL;
+ char *regexp = NULL;
+ int pos = 0;
+ unsigned hash = 0;
+ int is_constructor;
+ int sc = 0;
+
+ while (!LOOKING_AT3 (';', '{', YYEOF))
+ {
+ switch (LA1)
+ {
+ default:
+ MATCH ();
+ break;
+
+ case '[':
+ skip_matching ();
+ break;
+
+ case ENUM:
+ case TYPEDEF:
+ sc = SC_TYPE;
+ MATCH ();
+ break;
+
+ case STATIC:
+ sc = SC_STATIC;
+ MATCH ();
+ break;
+
+ case INT: case CHAR: case LONG: case UNSIGNED:
+ case SIGNED: case CONST: case DOUBLE: case VOID:
+ case SHORT: case VOLATILE: case BOOL: case WCHAR:
+ MATCH ();
+ break;
+
+ case CLASS: case STRUCT: case UNION:
+ /* This is for the case `STARTWRAP class X : ...' or
+ `declare (X, Y)\n class A : ...'. */
+ if (id)
+ return;
+
+ case '=':
+ /* Assumed to be the start of an initialization in this context.
+ Skip over everything up to ';'. */
+ skip_to (';');
+ break;
+
+ case OPERATOR:
+ id = operator_name (&sc);
+ break;
+
+ case T_INLINE:
+ SET_FLAG (flags, F_INLINE);
+ MATCH ();
+ break;
+
+ case '~':
+ MATCH ();
+ if (LOOKING_AT (IDENT))
+ {
+ id = (char *) alloca (strlen (yytext) + 2);
+ *id = '~';
+ strcpy (id + 1, yytext);
+ MATCH ();
+ }
+ break;
+
+ case IDENT:
+ cls = parse_qualified_ident_or_type (&id);
+ break;
+
+ case '(':
+ /* Most probably the beginning of a parameter list. */
+ if (cls)
+ {
+ MATCH ();
+
+ if (id && cls)
+ {
+ if (!(is_constructor = streq (id, cls->name)))
+ regexp = matching_regexp ();
+ }
+ else
+ is_constructor = 0;
+
+ pos = BUFFER_POS ();
+ hash = parm_list (&flags);
+
+ if (is_constructor)
+ regexp = matching_regexp ();
+
+ if (id && cls)
+ add_member_defn (cls, id, regexp, pos, hash, 0,
+ SC_UNKNOWN, flags);
+ }
+ else
+ {
+ /* This may be a C functions, but also a macro
+ call of the form `declare (A, B)' --- such macros
+ can be found in some class libraries. */
+ MATCH ();
+
+ if (id)
+ {
+ regexp = matching_regexp ();
+ pos = BUFFER_POS ();
+ hash = parm_list (&flags);
+ add_global_decl (id, regexp, pos, hash, 0, sc, flags);
+ }
+
+ /* This is for the case that the function really is
+ a macro with no `;' following it. If a CLASS directly
+ follows, we would miss it otherwise. */
+ if (LOOKING_AT3 (CLASS, STRUCT, UNION))
+ return;
+ }
+
+ while (!LOOKING_AT3 (';', '{', YYEOF))
+ MATCH ();
+
+ if (!cls && id && LOOKING_AT ('{'))
+ add_global_defn (id, regexp, pos, hash, 0, sc, flags);
+ id = NULL;
+ break;
+ }
+ }
+
+ if (LOOKING_AT (';'))
+ {
+ /* The end of a member variable or of an access declaration
+ `X::f'. To distinguish between them we have to know whether
+ type information has been seen. */
+ if (id)
+ {
+ char *regexp = matching_regexp ();
+ int pos = BUFFER_POS ();
+
+ if (cls)
+ add_member_defn (cls, id, regexp, pos, 0, 1, SC_UNKNOWN, flags);
+ else
+ add_global_defn (id, regexp, pos, 0, 1, sc, flags);
+ }
+
+ MATCH ();
+ print_info ();
+ }
+ else if (LOOKING_AT ('{'))
+ {
+ if (sc == SC_TYPE && id)
+ {
+ /* A named enumeration. */
+ regexp = matching_regexp ();
+ pos = BUFFER_POS ();
+ add_global_defn (id, regexp, pos, 0, 1, sc, flags);
+ }
+
+ skip_matching ();
+ print_info ();
+ }
+}
+
+
+/* Parse a list of top-level declarations/definitions. START_FLAGS
+ says in which context we are parsing. If it is F_EXTERNC, we are
+ parsing in an `extern "C"' block. Value is 1 if EOF is reached, 0
+ otherwise. */
+
+int
+globals (start_flags)
+ int start_flags;
+{
+ int anonymous;
+ int class_tk;
+ int flags = start_flags;
+
+ for (;;)
+ {
+ char *prev_in = in;
+
+ switch (LA1)
+ {
+ case NAMESPACE:
+ {
+ MATCH ();
+
+ if (LOOKING_AT (IDENT))
+ {
+ char *namespace_name
+ = (char *) alloca (strlen (yytext) + 1);
+ strcpy (namespace_name, yytext);
+ MATCH ();
+
+ if (LOOKING_AT ('='))
+ {
+ if (skip_to (';') == ';')
+ MATCH ();
+ register_namespace_alias (namespace_name, yytext);
+ }
+ else if (LOOKING_AT ('{'))
+ {
+ MATCH ();
+ enter_namespace (namespace_name);
+ globals (0);
+ leave_namespace ();
+ MATCH_IF ('}');
+ }
+ }
+ }
+ break;
+
+ case EXTERN:
+ MATCH ();
+ if (LOOKING_AT (CSTRING) && *string_start == 'C'
+ && *(string_start + 1) == '"')
+ {
+ /* This is `extern "C"'. */
+ MATCH ();
+
+ if (LOOKING_AT ('{'))
+ {
+ MATCH ();
+ globals (F_EXTERNC);
+ MATCH_IF ('}');
+ }
+ else
+ SET_FLAG (flags, F_EXTERNC);
+ }
+ break;
+
+ case TEMPLATE:
+ MATCH ();
+ SKIP_MATCHING_IF ('<');
+ SET_FLAG (flags, F_TEMPLATE);
+ break;
+
+ case CLASS: case STRUCT: case UNION:
+ class_tk = LA1;
+ MATCH ();
+ anonymous = 1;
+
+ /* More than one ident here to allow for MS-DOS and OS/2
+ specialties like `far', `_Export' etc. Some C++ libs
+ have constructs like `_OS_DLLIMPORT(_OS_CLIENT)' in front
+ of the class name. */
+ while (!LOOKING_AT4 (YYEOF, ';', ':', '{'))
+ {
+ if (LOOKING_AT (IDENT))
+ anonymous = 0;
+ MATCH ();
+ }
+
+ /* Don't add anonymous unions. */
+ if (LOOKING_AT2 (':', '{') && !anonymous)
+ class_definition (NULL, class_tk, flags, 0);
+ else
+ {
+ if (skip_to (';') == ';')
+ MATCH ();
+ }
+
+ flags = start_flags;
+ break;
+
+ case YYEOF:
+ return 1;
+
+ case '}':
+ return 0;
+
+ default:
+ declaration (0, flags);
+ flags = start_flags;
+ break;
+ }
+
+ if (prev_in == in)
+ yyerror ("parse error");
+ }
+}
+
+
+/* Parse the current input file. */
+
+void
+yyparse ()
+{
+ while (globals (0) == 0)
+ MATCH_IF ('}');
+}
+
+
+\f
+/***********************************************************************
+ Main Program
+ ***********************************************************************/
+
+/* Add the list of paths PATH_LIST to the current search path for
+ input files. */
+
+void
+add_search_path (path_list)
+ char *path_list;
+{
+ while (*path_list)
+ {
+ char *start = path_list;
+ struct search_path *p;
+
+ while (*path_list && *path_list != PATH_LIST_SEPARATOR)
+ ++path_list;
+
+ p = (struct search_path *) xmalloc (sizeof *p);
+ p->path = (char *) xmalloc (path_list - start + 1);
+ memcpy (p->path, start, path_list - start);
+ p->path[path_list - start] = '\0';
+ p->next = NULL;
+
+ if (search_path_tail)
+ {
+ search_path_tail->next = p;
+ search_path_tail = p;
+ }
+ else
+ search_path = search_path_tail = p;
+
+ while (*path_list == PATH_LIST_SEPARATOR)
+ ++path_list;
+ }
+}
+
+
+/* Open FILE and return a file handle for it, or -1 if FILE cannot be
+ opened. Try to find FILE in search_path first, then try the
+ unchanged file name. */
+
+FILE *
+open_file (file)
+ char *file;
+{
+ FILE *fp = NULL;
+ static char *buffer;
+ static int buffer_size;
+ struct search_path *path;
+
+ filename = xstrdup (file);
+
+ for (path = search_path; path && fp == NULL; path = path->next)
+ {
+ int len = strlen (path->path);
+
+ if (len + 1 >= buffer_size)
+ {
+ buffer_size = max (len + 1, 2 * buffer_size);
+ buffer = (char *) xrealloc (buffer, buffer_size);
+ }
+
+ strcpy (buffer, path->path);
+ strcat (buffer, "/");
+ strcat (buffer, file);
+ fp = fopen (buffer, "r");
+ }
+
+ /* Try the original file name. */
+ if (fp == NULL)
+ fp = fopen (file, "r");
+
+ if (fp == NULL)
+ yyerror ("cannot open");
+
+ return fp;
+}
+
+
+/* Display usage information and exit program. */
+
+#define USAGE "\
+Usage: ebrowse [options] {files}\n\
+\n\
+ -a, --append append output\n\
+ -f, --files=FILES read input file names from FILE\n\
+ -I, --search-path=LIST set search path for input files\n\
+ -m, --min-regexp-length=N set minimum regexp length to N\n\
+ -M, --max-regexp-length=N set maximum regexp length to N\n\
+ -n, --no-nested-classes exclude nested classes\n\
+ -o, --output-file=FILE set output file name to FILE\n\
+ -p, --position-info print info about position in file\n\
+ -s, --no-structs-or-unions don't record structs or unions\n\
+ -v, --verbose be verbose\n\
+ -V, --very-verbose be very verbose\n\
+ -x, --no-regexps don't record regular expressions\n\
+ --help display this help\n\
+ --version display version info\n\
+"
+
+void
+usage (error)
+ int error;
+{
+ puts (USAGE);
+ exit (error ? 1 : 0);
+}
+
+
+/* Display version and copyright info. The VERSION macro is set
+ from the Makefile and contains the Emacs version. */
+
+void
+version ()
+{
+ printf ("ebrowse %s\n", VERSION);
+ puts ("Copyright (C) 1992-1999, 2000 Free Software Foundation, Inc.");
+ puts ("This program is distributed under the same terms as Emacs.");
+ exit (0);
+}
+
+
+/* Parse one input file FILE, adding classes and members to the symbol
+ table. */
+
+void
+process_file (file)
+ char *file;
+{
+ FILE *fp;
+
+ fp = open_file (file);
+ if (fp)
+ {
+ int nread, nbytes;
+
+ /* Give a progress indication if needed. */
+ if (f_very_verbose)
+ {
+ puts (filename);
+ fflush (stdout);
+ }
+ else if (f_verbose)
+ {
+ putchar ('.');
+ fflush (stdout);
+ }
+
+ /* Read file to inbuffer. */
+ for (nread = 0;;)
+ {
+ if (nread + READ_CHUNK_SIZE >= inbuffer_size)
+ {
+ inbuffer_size = nread + READ_CHUNK_SIZE + 1;
+ inbuffer = (char *) xrealloc (inbuffer, inbuffer_size);
+ }
+
+ nbytes = fread (inbuffer + nread, 1, READ_CHUNK_SIZE, fp);
+ nread += nbytes;
+ if (nbytes < READ_CHUNK_SIZE)
+ break;
+ }
+ inbuffer[nread] = '\0';
+
+ /* Reinitialize scanner and parser for the new input file. */
+ re_init_scanner ();
+ re_init_parser ();
+
+ /* Parse it and close the file. */
+ yyparse ();
+ fclose (fp);
+ }
+}
+
+
+/* Read a line from stream FP and return a pointer to a static buffer
+ containing its contents without the terminating newline. Value
+ is null when EOF is reached. */
+
+char *
+read_line (fp)
+ FILE *fp;
+{
+ static char *buffer;
+ static int buffer_size;
+ int i = 0, c;
+
+ while ((c = getc (fp)) != EOF && c != '\n')
+ {
+ if (i >= buffer_size)
+ {
+ buffer_size = max (100, buffer_size * 2);
+ buffer = (char *) xrealloc (buffer, buffer_size);
+ }
+
+ buffer[i++] = c;
+ }
+
+ if (c == EOF && i == 0)
+ return NULL;
+
+ if (i == buffer_size)
+ {
+ buffer_size = max (100, buffer_size * 2);
+ buffer = (char *) xrealloc (buffer, buffer_size);
+ }
+
+ buffer[i] = '\0';
+ return buffer;
+}
+
+
+/* Main entry point. */
+
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ int i;
+ int any_inputfiles = 0;
+ static char *out_filename = DEFAULT_OUTFILE;
+ static char **input_filenames = NULL;
+ static int input_filenames_size = 0;
+ static int n_input_files;
+
+ filename = "command line";
+ yyout = stdout;
+
+ while ((i = getopt_long (argc, argv, "af:I:m:M:no:p:svVx",
+ options, NULL)) != EOF)
+ {
+ switch (i)
+ {
+ /* Experimental. */
+ case 'p':
+ info_position = atoi (optarg);
+ break;
+
+ case 'n':
+ f_nested_classes = 0;
+ break;
+
+ case 'x':
+ f_regexps = 0;
+ break;
+
+ /* Add the name of a file containing more input files. */
+ case 'f':
+ if (n_input_files == input_filenames_size)
+ {
+ input_filenames_size = max (10, 2 * input_filenames_size);
+ input_filenames = (char **) xrealloc (input_filenames,
+ input_filenames_size);
+ }
+ input_filenames[n_input_files++] = xstrdup (optarg);
+ break;
+
+ /* Append new output to output file instead of truncating it. */
+ case 'a':
+ f_append = 1;
+ break;
+
+ /* Include structs in the output */
+ case 's':
+ f_structs = 0;
+ break;
+
+ /* Be verbose (give a progress indication). */
+ case 'v':
+ f_verbose = 1;
+ break;
+
+ /* Be very verbose (print file names as they are processed). */
+ case 'V':
+ f_verbose = 1;
+ f_very_verbose = 1;
+ break;
+
+ /* Change the name of the output file. */
+ case 'o':
+ out_filename = optarg;
+ break;
+
+ /* Set minimum length for regular expression strings
+ when recorded in the output file. */
+ case 'm':
+ min_regexp = atoi (optarg);
+ break;
+
+ /* Set maximum length for regular expression strings
+ when recorded in the output file. */
+ case 'M':
+ max_regexp = atoi (optarg);
+ break;
+
+ /* Add to search path. */
+ case 'I':
+ add_search_path (optarg);
+ break;
+
+ /* Display help */
+ case -2:
+ usage (0);
+ break;
+
+ case -3:
+ version ();
+ break;
+ }
+ }
+
+ /* Call init_scanner after command line flags have been processed to be
+ able to add keywords depending on command line (not yet
+ implemented). */
+ init_scanner ();
+ init_sym ();
+
+ /* Open output file */
+ if (*out_filename)
+ {
+ yyout = fopen (out_filename, f_append ? "a" : "w");
+ if (yyout == NULL)
+ {
+ yyerror ("cannot open output file `%s'", out_filename);
+ exit (1);
+ }
+ }
+
+ /* Process input files specified on the command line. */
+ while (optind < argc)
+ {
+ process_file (argv[optind++]);
+ any_inputfiles = 1;
+ }
+
+ /* Process files given on stdin if no files specified. */
+ if (!any_inputfiles && n_input_files == 0)
+ {
+ char *file;
+ while ((file = read_line (stdin)) != NULL)
+ process_file (file);
+ }
+ else
+ {
+ /* Process files from `--files=FILE'. Every line in FILE names
+ one input file to process. */
+ for (i = 0; i < n_input_files; ++i)
+ {
+ FILE *fp = fopen (input_filenames[i], "r");
+
+ if (fp == NULL)
+ yyerror ("cannot open input file `%s'", input_filenames[i]);
+ else
+ {
+ char *file;
+ while ((file = read_line (fp)) != NULL)
+ process_file (file);
+ fclose (fp);
+ }
+ }
+ }
+
+ /* Write output file. */
+ dump_roots (yyout);
+
+ /* Close output file. */
+ if (yyout != stdout)
+ fclose (yyout);
+
+ return 0;
+}
+
+
+/* ebrowse.c ends here. */
--- /dev/null
+;;; ebrowse.el --- Emacs C++ class browser & tags facility
+
+;; Copyright (C) 1992-1999, 2000 Free Software Foundation Inc.
+
+;; Author: Gerd Moellmann <gerd@gnu.org>
+;; Maintainer: FSF
+;; Keywords: C++ tags tools
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING. If not, write to
+;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+;;; Commentary:
+
+;; This package implements
+
+;; - A class browser for C++
+;; - A complete set of tags-like functions working on class trees
+;; - An electric buffer list showing class browser buffers only
+
+;; Documentation is found in a separate Info file.
+
+;;; Code:
+
+(require 'easymenu)
+(require 'view)
+(require 'ebuff-menu)
+
+(eval-when-compile
+ (require 'cl)
+ (require 'helper))
+
+\f
+;;; User-options
+
+(defgroup ebrowse nil
+ "Settings for the C++ class browser."
+ :group 'tools)
+
+
+(defcustom ebrowse-search-path nil
+ "*List of directories to search for source files in a class tree.
+Elements should be directory names; nil as an element means to try
+to find source files relative to the location of the EBROWSE file loaded."
+ :group 'ebrowse
+ :type '(repeat (choice (const :tag "Default" nil)
+ (string :tag "Directory"))))
+
+
+(defcustom ebrowse-view/find-hook nil
+ "*Hooks run after finding or viewing a member or class."
+ :group 'ebrowse
+ :type 'hook)
+
+
+(defcustom ebrowse-not-found-hook nil
+ "*Hooks run when finding or viewing a member or class was not successful."
+ :group 'ebrowse
+ :type 'hook)
+
+
+(defcustom ebrowse-electric-list-mode-hook nil
+ "*Hook called by `ebrowse-electric-position-mode'."
+ :group 'ebrowse
+ :type 'hook)
+
+
+(defcustom ebrowse-max-positions 50
+ "*Number of markers saved on electric position stack."
+ :group 'ebrowse
+ :type 'integer)
+
+
+\f
+(defgroup ebrowse-tree nil
+ "Settings for class tree buffers."
+ :group 'ebrowse)
+
+
+(defcustom ebrowse-tree-mode-hook nil
+ "*Hook run in each new tree buffer."
+ :group 'ebrowse-tree
+ :type 'hook)
+
+
+(defcustom ebrowse-tree-buffer-name "*Tree*"
+ "*The default name of class tree buffers."
+ :group 'ebrowse-tree
+ :type 'string)
+
+
+(defcustom ebrowse--indentation 4
+ "*The amount by which subclasses are indented in the tree."
+ :group 'ebrowse-tree
+ :type 'integer)
+
+
+(defcustom ebrowse-source-file-column 40
+ "*The column in which source file names are displayed in the tree."
+ :group 'ebrowse-tree
+ :type 'integer)
+
+
+(defcustom ebrowse-tree-left-margin 2
+ "*Amount of space left at the left side of the tree display.
+This space is used to display markers."
+ :group 'ebrowse-tree
+ :type 'integer)
+
+
+\f
+(defgroup ebrowse-member nil
+ "Settings for member buffers."
+ :group 'ebrowse)
+
+
+(defcustom ebrowse-default-declaration-column 25
+ "*The column in which member declarations are displayed in member buffers."
+ :group 'ebrowse-member
+ :type 'integer)
+
+
+(defcustom ebrowse-default-column-width 25
+ "*The width of the columns in member buffers (short display form)."
+ :group 'ebrowse-member
+ :type 'integer)
+
+
+(defcustom ebrowse-member-buffer-name "*Members*"
+ "*The name of the buffer for member display."
+ :group 'ebrowse-member
+ :type 'string)
+
+
+(defcustom ebrowse-member-mode-hook nil
+ "*Run in each new member buffer."
+ :group 'ebrowse-member
+ :type 'hook)
+
+
+\f
+(defgroup ebrowse-faces nil
+ "Faces used by Ebrowse."
+ :group 'ebrowse)
+
+
+(defface ebrowse-tree-mark-face
+ '((t (:foreground "red")))
+ "*The face used for the mark character in the tree."
+ :group 'ebrowse-faces)
+
+
+(defface ebrowse-root-class-face
+ '((t (:weight bold :foreground "blue")))
+ "*The face used for root classes in the tree."
+ :group 'ebrowse-faces)
+
+
+(defface ebrowse-file-name-face
+ '((t (:italic t)))
+ "*The face for filenames displayed in the tree."
+ :group 'ebrowse-faces)
+
+
+(defface ebrowse-default-face
+ '((t nil))
+ "*Face for everything else in the tree not having other faces."
+ :group 'ebrowse-faces)
+
+
+(defface ebrowse-member-attribute-face
+ '((t (:foreground "red")))
+ "*Face used to display member attributes."
+ :group 'ebrowse-faces)
+
+
+(defface ebrowse-member-class-face
+ '((t (:foreground "purple")))
+ "*Face used to display the class title in member buffers."
+ :group 'ebrowse-faces)
+
+
+(defface ebrowse-progress-face
+ '((t (:background "blue")))
+ "*Face for progress indicator."
+ :group 'ebrowse-faces)
+
+
+\f
+;;; Utilities.
+
+(defun ebrowse-some (predicate vector)
+ "Return true if PREDICATE is true of some element of VECTOR.
+If so, return the value returned by PREDICATE."
+ (let ((length (length vector))
+ (i 0)
+ result)
+ (while (and (< i length) (not result))
+ (setq result (funcall predicate (aref vector i))
+ i (1+ i)))
+ result))
+
+
+(defun ebrowse-every (predicate vector)
+ "Return true if PREDICATE is true of every element of VECTOR."
+ (let ((length (length vector))
+ (i 0)
+ (result t))
+ (while (and (< i length) result)
+ (setq result (funcall predicate (aref vector i))
+ i (1+ i)))
+ result))
+
+
+(defun ebrowse-position (item list &optional test)
+ "Return the position of ITEM in LIST or nil if not found.
+Compare items with `eq' or TEST if specified."
+ (let ((i 0) found)
+ (cond (test
+ (while list
+ (when (funcall test item (car list))
+ (setq found i list nil))
+ (setq list (cdr list) i (1+ i))))
+ (t
+ (while list
+ (when (eq item (car list))
+ (setq found i list nil))
+ (setq list (cdr list) i (1+ i)))))
+ found))
+
+
+(defun ebrowse-delete-if-not (predicate list)
+ "Remove elements not satisfying PREDICATE from LIST and return the result.
+This is a destructive operation."
+ (let (result)
+ (while list
+ (let ((next (cdr list)))
+ (when (funcall predicate (car list))
+ (setq result (nconc result list))
+ (setf (cdr list) nil))
+ (setq list next)))
+ result))
+
+
+(defun ebrowse-copy-list (list)
+ "Return a shallow copy of LIST."
+ (apply #'list list))
+
+
+(defmacro ebrowse-output (&rest body)
+ "Eval BODY with a writable current buffer.
+Preserve buffer's modified state."
+ (let ((modified (gensym "--ebrowse-output--")))
+ `(let (buffer-read-only (,modified (buffer-modified-p)))
+ (unwind-protect
+ (progn ,@body)
+ (set-buffer-modified-p ,modified)))))
+
+
+(defmacro ebrowse-ignoring-completion-case (&rest body)
+ "Eval BODY with `completion-ignore-case' bound to t."
+ `(let ((completion-ignore-case t))
+ ,@body))
+
+
+(defmacro ebrowse-save-selective (&rest body)
+ "Eval BODY with `selective-display' restored at the end."
+ (let ((var (make-symbol "var")))
+ `(let ((,var selective-display))
+ (unwind-protect
+ (progn ,@body)
+ (setq selective-display ,var)))))
+
+
+(defmacro ebrowse-for-all-trees (spec &rest body)
+ "For all trees in SPEC, eval BODY."
+ (let ((var (make-symbol "var"))
+ (spec-var (car spec))
+ (array (cadr spec)))
+ `(loop for ,var being the symbols of ,array
+ as ,spec-var = (get ,var 'ebrowse-root) do
+ (when (vectorp ,spec-var)
+ ,@body))))
+
+;;; Set indentation for macros above.
+
+(put 'ebrowse-output 'lisp-indent-hook 0)
+(put 'ebrowse-ignoring-completion-case 'lisp-indent-hook 0)
+(put 'ebrowse-save-selective 'lisp-indent-hook 0)
+(put 'ebrowse-for-all-trees 'lisp-indent-hook 1)
+
+
+(defsubst ebrowse-set-face (start end face)
+ "Set face of a region START END to FACE."
+ (overlay-put (make-overlay start end) 'face face))
+
+
+(defun ebrowse-completing-read-value (prompt table initial-input)
+ "Read a string in the minibuffer, with completion.
+Case is ignored in completions.
+
+PROMPT is a string to prompt with; normally it ends in a colon and a space.
+TABLE is an alist whose elements' cars are strings, or an obarray.
+TABLE can also be a function to do the completion itself.
+If INITIAL-INPUT is non-nil, insert it in the minibuffer initially.
+If it is (STRING . POSITION), the initial input
+is STRING, but point is placed POSITION characters into the string."
+ (ebrowse-ignoring-completion-case
+ (completing-read prompt table nil t initial-input)))
+
+
+(defun ebrowse-value-in-buffer (sym buffer)
+ "Return the value of SYM in BUFFER."
+ (let ((old-buffer (current-buffer)))
+ (unwind-protect
+ (progn
+ (set-buffer buffer)
+ (symbol-value sym))
+ (set-buffer old-buffer))))
+
+
+(defun ebrowse-rename-buffer (new-name)
+ "Rename current buffer to NEW-NAME.
+If a buffer with name NEW-NAME already exists, delete it first."
+ (let ((old-buffer (get-buffer new-name)))
+ (unless (eq old-buffer (current-buffer))
+ (when old-buffer
+ (save-excursion (kill-buffer old-buffer)))
+ (rename-buffer new-name))))
+
+
+(defun ebrowse-trim-string (string)
+ "Return a copy of STRING with leading white space removed.
+Replace sequences of newlines with a single space."
+ (when (string-match "^[ \t\n\r]+" string)
+ (setq string (substring string (match-end 0))))
+ (loop while (string-match "[\n]+" string)
+ finally return string do
+ (setq string (replace-match " " nil t string))))
+
+
+(defun ebrowse-width-of-drawable-area ()
+ "Return the width of the display area for the current buffer.
+If buffer is displayed in a window, use that window's width,
+otherwise use the current frame's width."
+ (let ((window (get-buffer-window (current-buffer))))
+ (if window
+ (window-width window)
+ (frame-width))))
+
+\f
+;;; Structure definitions
+
+(defstruct (ebrowse-hs (:type vector) :named)
+ "Header structure found at the head of EBROWSE files."
+ ;; A version string that is compared against the version number of
+ ;; the Lisp package when the file is loaded. This is done to
+ ;; detect file format changes.
+ version
+ ;; Command line options used for producing the EBROWSE file.
+ command-line-options
+ ;; The following slot is currently not used. It's kept to keep
+ ;; the file format compatible.
+ unused
+ ;; A slot that is filled out after the tree is loaded. This slot is
+ ;; set to a hash table mapping members to lists of classes in which
+ ;; they are defined.
+ member-table)
+
+
+(defstruct (ebrowse-ts (:type vector) :named)
+ "Tree structure.
+Following the header structure, an EBROWSE file contains a number
+of `ebrowse-ts' structures, each one describing one root class of
+the class hierarchy with all its subclasses."
+ ;; A `ebrowse-cs' structure describing the root class.
+ class
+ ;; A list of `ebrowse-ts' structures for all subclasses.
+ subclasses
+ ;; Lists of `ebrowse-ms' structures for each member in a group of
+ ;; members.
+ member-variables member-functions static-variables static-functions
+ friends types
+ ;; List of `ebrowse-ts' structures for base classes. This slot is
+ ;; filled at load time.
+ base-classes
+ ;; A marker slot used in the tree buffer (can be saved back to disk.
+ mark)
+
+
+(defstruct (ebrowse-bs (:type vector) :named)
+ "Common sub-structure.
+A common structure defining an occurrence of some name in the
+source files."
+ ;; The class or member name as a string constant
+ name
+ ;; An optional string for the scope of nested classes or for
+ ;; namespaces.
+ scope
+ ;; Various flags describing properties of classes/members, e.g. is
+ ;; template, is const etc.
+ flags
+ ;; File in which the entity is found. If this is part of a
+ ;; `ebrowse-ms' member description structure, and FILE is nil, then
+ ;; search for the name in the SOURCE-FILE of the members class.
+ file
+ ;; Regular expression to search for. This slot can be a number in
+ ;; which case the number is the file position at which the regular
+ ;; expression is found in a separate regexp file (see the header
+ ;; structure). This slot can be nil in which case the regular
+ ;; expression will be generated from the class/member name.
+ pattern
+ ;; The buffer position at which the search for the class or member
+ ;; will start.
+ point)
+
+
+(defstruct (ebrowse-cs (:include ebrowse-bs) (:type vector) :named)
+ "Class structure.
+This is the structure stored in the CLASS slot of a `ebrowse-ts'
+structure. It describes the location of the class declaration."
+ source-file)
+
+
+(defstruct (ebrowse-ms (:include ebrowse-bs) (:type vector) :named)
+ "Member structure.
+This is the structure describing a single member. The `ebrowse-ts'
+structure contains various lists for the different types of
+members."
+ ;; Public, protected, private
+ visibility
+ ;; The file in which the member's definition can be found.
+ definition-file
+ ;; Same as PATTERN above, but for the member definition.
+ definition-pattern
+ ;; Same as POINT above but for member definition.
+ definition-point)
+
+
+\f
+;;; Some macros to access the FLAGS slot of a MEMBER.
+
+(defsubst ebrowse-member-bit-set-p (member bit)
+ "Value is non-nil if MEMBER's bit BIT is set."
+ (/= 0 (logand (ebrowse-bs-flags member) bit)))
+
+
+(defsubst ebrowse-virtual-p (member)
+ "Value is non-nil if MEMBER is virtual."
+ (ebrowse-member-bit-set-p member 1))
+
+
+(defsubst ebrowse-inline-p (member)
+ "Value is non-nil if MEMBER is inline."
+ (ebrowse-member-bit-set-p member 2))
+
+
+(defsubst ebrowse-const-p (member)
+ "Value is non-nil if MEMBER is const."
+ (ebrowse-member-bit-set-p member 4))
+
+
+(defsubst ebrowse-pure-virtual-p (member)
+ "Value is non-nil if MEMBER is a pure virtual function."
+ (ebrowse-member-bit-set-p member 8))
+
+
+(defsubst ebrowse-mutable-p (member)
+ "Value is non-nil if MEMBER is mutable."
+ (ebrowse-member-bit-set-p member 16))
+
+
+(defsubst ebrowse-template-p (member)
+ "Value is non-nil if MEMBER is a template."
+ (ebrowse-member-bit-set-p member 32))
+
+
+(defsubst ebrowse-explicit-p (member)
+ "Value is non-nil if MEMBER is explicit."
+ (ebrowse-member-bit-set-p member 64))
+
+
+(defsubst ebrowse-throw-list-p (member)
+ "Value is non-nil if MEMBER has a throw specification."
+ (ebrowse-member-bit-set-p member 128))
+
+
+(defsubst ebrowse-extern-c-p (member)
+ "Value is non-nil if MEMBER.is `extern \"C\"'."
+ (ebrowse-member-bit-set-p member 256))
+
+
+(defsubst ebrowse-define-p (member)
+ "Value is non-nil if MEMBER is a define."
+ (ebrowse-member-bit-set-p member 512))
+
+
+(defconst ebrowse-version-string "ebrowse 5.0"
+ "Version string expected in EBROWSE files.")
+
+
+(defconst ebrowse-globals-name "*Globals*"
+ "The name used for the surrogate class.containing global entities.
+This must be the same that `ebrowse' uses.")
+
+
+(defvar ebrowse--last-regexp nil
+ "Last regular expression searched for in tree and member buffers.
+Automatically buffer-local so that each tree and member buffer
+maintains its own search history.")
+(make-variable-buffer-local 'ebrowse--last-regexp)
+
+
+(defconst ebrowse-member-list-accessors
+ '(ebrowse-ts-member-variables
+ ebrowse-ts-member-functions
+ ebrowse-ts-static-variables
+ ebrowse-ts-static-functions
+ ebrowse-ts-friends
+ ebrowse-ts-types)
+ "List of accessors for member lists.
+Each element is the symbol of an accessor function.
+The nth element must be the accessor for the nth member list
+in an `ebrowse-ts' structure.")
+
+
+;;; FIXME: Add more doc strings for the buffer-local variables below.
+
+(defvar ebrowse--tree-obarray nil
+ "Obarray holding all `ebrowse-ts' structures of a class tree.
+Buffer-local in Ebrowse buffers.")
+
+
+(defvar ebrowse--tags-file-name nil
+ "File from which EBROWSE file was loaded.
+Buffer-local in Ebrowse buffers.")
+
+
+(defvar ebrowse--header nil
+ "Header structure of type `ebrowse-hs' of a class tree.
+Buffer-local in Ebrowse buffers.")
+
+
+(defvar ebrowse--frozen-flag nil
+ "Non-nil means an Ebrowse buffer won't be reused.
+Buffer-local in Ebrowse buffers.")
+
+
+(defvar ebrowse--show-file-names-flag nil
+ "Non-nil means show file names in a tree buffer.
+Buffer-local in Ebrowse tree buffers.")
+
+
+(defvar ebrowse--long-display-flag nil
+ "Non-nil means show members in long display form.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--n-columns nil
+ "Number of columns to display for short member display form.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--column-width nil
+ "Width of a columns to display for short member display form.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--virtual-display-flag nil
+ "Non-nil means display virtual members in a member buffer.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--inline-display-flag nil
+ "Non-nil means display inline members in a member buffer.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--const-display-flag nil
+ "Non-nil means display const members in a member buffer.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--pure-display-flag nil
+ "Non-nil means display pure virtual members in a member buffer.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--filters nil
+ "Filter for display of public, protected, and private members.
+This is a vector of three elements. An element nil means the
+corresponding members are not shown.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--show-inherited-flag nil
+ "Non-nil means display inherited members in a member buffer.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--attributes-flag nil
+ "Non-nil means display member attributes in a member buffer.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--source-regexp-flag nil
+ "Non-nil means display member regexps in a member buffer.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--displayed-class nil
+ "Class displayed in a member buffer, a `ebrowse-ts' structure.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--accessor nil
+ "Member list displayed in a member buffer.
+This is a symbol whose function definition is an accessor for the
+member list in `ebrowse-cs' structures.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--member-list nil
+ "The list of `ebrowse-ms' structures displayed in a member buffer.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--decl-column nil
+ "Column in which declarations are displayed in member buffers.
+Buffer-local in Ebrowse member buffers.")
+
+
+(defvar ebrowse--mode-strings nil
+ "Strings displayed in the mode line.
+Buffer-local in Ebrowse tree buffers.")
+
+
+(defvar ebrowse--frame-configuration nil
+ "Frame configuration saved when viewing a class/member in another frame.
+Buffer-local in Ebrowse buffers.")
+
+
+(defvar ebrowse--view-exit-action nil
+ "Action to perform after viewing a class/member.
+Either `kill-buffer' or nil.
+Buffer-local in Ebrowse buffers.")
+
+
+(defvar ebrowse--tree nil
+ "Class tree.
+Buffer-local in Ebrowse buffers.")
+
+
+(defvar ebrowse--mode-line-props nil
+ "Text properties of mode line strings in member buffers.
+Buffer-local in Ebrowse member buffers.")
+
+
+;;; Temporaries used to communicate with `ebrowse-find-pattern'.
+
+(defvar ebrowse-temp-position-to-view nil)
+(defvar ebrowse-temp-info-to-view nil)
+
+
+(defvar ebrowse-tree-mode-map ()
+ "The keymap used in tree mode buffers.")
+
+
+(defvar ebrowse--member-mode-strings nil
+ "Strings displayed in the mode line of member buffers.")
+
+
+(defvar ebrowse-member-mode-map ()
+ "The keymap used in the member buffers.")
+
+
+;;; Define mode line titles for each member list.
+
+(put 'ebrowse-ts-member-variables 'ebrowse-title "Member Variables")
+(put 'ebrowse-ts-member-functions 'ebrowse-title "Member Functions")
+(put 'ebrowse-ts-static-variables 'ebrowse-title "Static Variables")
+(put 'ebrowse-ts-static-functions 'ebrowse-title "Static Functions")
+(put 'ebrowse-ts-friends 'ebrowse-title "Friends")
+(put 'ebrowse-ts-types 'ebrowse-title "Types")
+
+(put 'ebrowse-ts-member-variables 'ebrowse-global-title "Global Variables")
+(put 'ebrowse-ts-member-functions 'ebrowse-global-title "Global Functions")
+(put 'ebrowse-ts-static-variables 'ebrowse-global-title "Static Variables")
+(put 'ebrowse-ts-static-functions 'ebrowse-global-title "Static Functions")
+(put 'ebrowse-ts-friends 'ebrowse-global-title "Defines")
+(put 'ebrowse-ts-types 'ebrowse-global-title "Types")
+
+
+\f
+;;; Operations on `ebrowse-ts' structures
+
+(defun ebrowse-files-table (&optional marked-only)
+ "Return an obarray containing all files mentioned in the current tree.
+The tree is expected in the buffer-local variable `ebrowse--tree-obarray'.
+MARKED-ONLY non-nil means include marked classes only."
+ (let ((files (make-hash-table :test 'equal))
+ (i -1))
+ (ebrowse-for-all-trees (tree ebrowse--tree-obarray)
+ (when (or (not marked-only) (ebrowse-ts-mark tree))
+ (let ((class (ebrowse-ts-class tree)))
+ (when (zerop (% (incf i) 20))
+ (ebrowse-show-progress "Preparing file list" (zerop i)))
+ ;; Add files mentioned in class description
+ (let ((source-file (ebrowse-cs-source-file class))
+ (file (ebrowse-cs-file class)))
+ (when source-file
+ (puthash source-file source-file files))
+ (when file
+ (puthash file file files))
+ ;; For all member lists in this class
+ (loop for accessor in ebrowse-member-list-accessors do
+ (loop for m in (funcall accessor tree)
+ for file = (ebrowse-ms-file m)
+ for def-file = (ebrowse-ms-definition-file m) do
+ (when file
+ (puthash file file files))
+ (when def-file
+ (puthash def-file def-file files))))))))
+ files))
+
+
+(defun ebrowse-files-list (&optional marked-only)
+ "Return a list containing all files mentioned in a tree.
+MARKED-ONLY non-nil means include marked classes only."
+ (let (list)
+ (maphash #'(lambda (file dummy) (setq list (cons file list)))
+ (ebrowse-files-table marked-only))
+ list))
+
+
+(defun* ebrowse-marked-classes-p ()
+ "Value is non-nil if any class in the current class tree is marked."
+ (ebrowse-for-all-trees (tree ebrowse--tree-obarray)
+ (when (ebrowse-ts-mark tree)
+ (return-from ebrowse-marked-classes-p tree))))
+
+
+(defsubst ebrowse-globals-tree-p (tree)
+ "Return t if TREE is the one for global entities."
+ (string= (ebrowse-bs-name (ebrowse-ts-class tree))
+ ebrowse-globals-name))
+
+
+(defsubst ebrowse-qualified-class-name (class)
+ "Return the name of CLASS with scope prepended, if any."
+ (if (ebrowse-cs-scope class)
+ (concat (ebrowse-cs-scope class) "::" (ebrowse-cs-name class))
+ (ebrowse-cs-name class)))
+
+
+(defun ebrowse-tree-obarray-as-alist (&optional qualified-names-p)
+ "Return an alist describing all classes in a tree.
+Each elements in the list has the form (CLASS-NAME . TREE).
+CLASS-NAME is the name of the class. TREE is the
+class tree whose root is QUALIFIED-CLASS-NAME.
+QUALIFIED-NAMES-P non-nil means return qualified names as CLASS-NAME.
+The class tree is found in the buffer-local variable `ebrowse--tree-obarray'."
+ (let (alist)
+ (if qualified-names-p
+ (ebrowse-for-all-trees (tree ebrowse--tree-obarray)
+ (setq alist
+ (acons (ebrowse-qualified-class-name (ebrowse-ts-class tree))
+ tree alist)))
+ (ebrowse-for-all-trees (tree ebrowse--tree-obarray)
+ (setq alist
+ (acons (ebrowse-cs-name (ebrowse-ts-class tree))
+ tree alist))))
+ alist))
+
+
+(defun ebrowse-sort-tree-list (list)
+ "Sort a LIST of `ebrowse-ts' structures by qualified class names."
+ (sort list
+ #'(lambda (a b)
+ (string< (ebrowse-qualified-class-name (ebrowse-ts-class a))
+ (ebrowse-qualified-class-name (ebrowse-ts-class b))))))
+
+
+(defun ebrowse-class-in-tree (class tree)
+ "Search for a class with name CLASS in TREE.
+Return the class found, if any. This function is used during the load
+phase where classes appended to a file replace older class
+information."
+ (let ((tclass (ebrowse-ts-class class))
+ found)
+ (while (and tree (not found))
+ (let ((root (car tree)))
+ (when (string= (ebrowse-qualified-class-name (ebrowse-ts-class root))
+ (ebrowse-qualified-class-name tclass))
+ (setq found root))
+ (setq tree (cdr tree))))
+ found))
+
+
+(defun ebrowse-base-classes (tree)
+ "Return list of base-classes of TREE by searching subclass lists.
+This function must be used instead of the struct slot
+`base-classes' to access the base-class list directly because it
+computes this information lazily."
+ (or (ebrowse-ts-base-classes tree)
+ (setf (ebrowse-ts-base-classes tree)
+ (loop with to-search = (list tree)
+ with result = nil
+ as search = (pop to-search)
+ while search finally return result
+ do (ebrowse-for-all-trees (ti ebrowse--tree-obarray)
+ (when (memq search (ebrowse-ts-subclasses ti))
+ (unless (memq ti result)
+ (setq result (nconc result (list ti))))
+ (push ti to-search)))))))
+
+
+(defun ebrowse-direct-base-classes (tree)
+ "Return the list of direct super classes of TREE."
+ (let (result)
+ (dolist (s (ebrowse-base-classes tree))
+ (when (memq tree (ebrowse-ts-subclasses s))
+ (setq result (cons s result))))
+ result))
+
+
+\f
+;;; Operations on MEMBER structures/lists
+
+(defun ebrowse-name/accessor-alist (tree accessor)
+ "Return an alist containing all members of TREE in group ACCESSOR.
+ACCESSOR is the accessor function for the member list.
+Elements of the result have the form (NAME . ACCESSOR), where NAME
+is the member name."
+ (loop for member in (funcall accessor tree)
+ collect (cons (ebrowse-ms-name member) accessor)))
+
+
+(defun ebrowse-name/accessor-alist-for-visible-members ()
+ "Return an alist describing all members visible in the current buffer.
+Each element of the list has the form (MEMBER-NAME . ACCESSOR),
+where MEMBER-NAME is the member's name, and ACCESSOR is the struct
+accessor with which the member's list can be accessed in an `ebrowse-ts'
+structure. The list includes inherited members if these are visible."
+ (let* ((list (ebrowse-name/accessor-alist ebrowse--displayed-class
+ ebrowse--accessor)))
+ (if ebrowse--show-inherited-flag
+ (nconc list
+ (loop for tree in (ebrowse-base-classes
+ ebrowse--displayed-class)
+ nconc (ebrowse-name/accessor-alist
+ tree ebrowse--accessor)))
+ list)))
+
+
+(defun ebrowse-name/accessor-alist-for-class-members ()
+ "Like `ebrowse-name/accessor-alist-for-visible-members'.
+This function includes members of base classes if base class members
+are visible in the buffer."
+ (let (list)
+ (dolist (func ebrowse-member-list-accessors list)
+ (setq list (nconc list (ebrowse-name/accessor-alist
+ ebrowse--displayed-class func)))
+ (when ebrowse--show-inherited-flag
+ (dolist (class (ebrowse-base-classes ebrowse--displayed-class))
+ (setq list
+ (nconc list (ebrowse-name/accessor-alist class func))))))))
+
+\f
+;;; Progress indication
+
+(defvar ebrowse-n-boxes 0)
+(defconst ebrowse-max-boxes 60)
+
+(defun ebrowse-show-progress (title &optional start)
+ "Display a progress indicator.
+TITLE is the title of the progress message. START non-nil means
+this is the first progress message displayed."
+ (let (message-log-max)
+ (when start (setq ebrowse-n-boxes 0))
+ (setq ebrowse-n-boxes (mod (1+ ebrowse-n-boxes) ebrowse-max-boxes))
+ (message (concat title ": "
+ (propertize (make-string ebrowse-n-boxes
+ (if (display-color-p) ?\ ?+))
+ 'face 'ebrowse-progress-face)))))
+
+\f
+;;; Reading a tree from disk
+
+(defun ebrowse-find-file ()
+ "Function installed as `find-file hook'.
+This loads a tree when it sees a special signature at the beginning of
+the file loaded."
+ (when (looking-at "\\[ebrowse-hs")
+ (ebrowse-load buffer-file-name 'switch)))
+
+
+(defun ebrowse-read ()
+ "Read `ebrowse-hs' and `ebrowse-ts' structures in the current buffer.
+Return a list (HEADER TREE) where HEADER is the file header read
+and TREE is a list of `ebrowse-ts' structures forming the class tree."
+ (let ((header (condition-case nil
+ (read (current-buffer))
+ (error (error "No Ebrowse file header found"))))
+ tree)
+ ;; Check file format.
+ (unless (ebrowse-hs-p header)
+ (error "No Ebrowse file header found"))
+ (unless (string= (ebrowse-hs-version header) ebrowse-version-string)
+ (error "File has wrong version `%s' (`%s' expected)"
+ (ebrowse-hs-version header) ebrowse-version-string))
+ ;; Read Lisp objects. Temporarily increase `gc-cons-threshold' to
+ ;; prevent a GC that would not free any memory.
+ (let ((gc-cons-threshold 2000000))
+ (while (not (eobp))
+ (let* ((root (read (current-buffer)))
+ (old-root (ebrowse-class-in-tree root tree)))
+ (ebrowse-show-progress "Reading data" (null tree))
+ (if old-root
+ (setf (car old-root) root)
+ (push root tree)))))
+ (garbage-collect)
+ (list header tree)))
+
+
+(defun ebrowse-load (file &optional switch)
+ "Load an Ebrowse file FILE into memory and make a tree buffer.
+Optional SWITCH non-nil means switch to the tree buffer afterwards.
+This function is normally called from a `find-file-hook'.
+Value is the tree buffer created."
+ (let (tree
+ header
+ (buffer (get-file-buffer file))
+ tree-buffer)
+ (if buffer
+ (multiple-value-setq (header tree)
+ (ebrowse-read))
+ (save-excursion
+ ;; Since find-file hooks may be involved, we must visit the
+ ;; file in a way that these hooks are not called.
+ (set-buffer (create-file-buffer file))
+ (erase-buffer)
+ (insert-file file)
+ (set-buffer-modified-p nil)
+ (unwind-protect
+ (multiple-value-setq (header tree)
+ (ebrowse-read))
+ (kill-buffer (current-buffer)))))
+ (when tree
+ (message "Sorting. Please be patient...")
+ (setf tree (ebrowse-sort-tree-list tree))
+ ;; Create tree buffer
+ (setf tree-buffer
+ (ebrowse-create-tree-buffer tree file header
+ (ebrowse-build-tree-obarray tree)
+ switch buffer))
+ (message nil)
+ tree-buffer)))
+
+
+(defun ebrowse-revert-tree-buffer-from-file (ignore-auto-save noconfirm)
+ "Function installed as `revert-buffer-function' in tree buffers.
+See that variable's documentation for the meaning of IGNORE-AUTO-SAVE and
+NOCONFIRM."
+ (interactive)
+ (when (or noconfirm
+ (yes-or-no-p "Revert tree from disk? "))
+ (let ((ebrowse-file (or buffer-file-name ebrowse--tags-file-name)))
+ (loop for member-buffer in (ebrowse-same-tree-member-buffer-list)
+ do (kill-buffer member-buffer))
+ (kill-buffer (current-buffer))
+ (switch-to-buffer (ebrowse-load ebrowse-file)))))
+
+
+(defun ebrowse-create-tree-buffer (tree tags-file header obarray pop
+ &optional find-file-buffer)
+ "Create a new tree buffer for tree TREE.
+The tree was loaded from file TAGS-FILE.
+HEADER is the header structure of the file.
+OBARRAY is an obarray with a symbol for each class in the tree.
+POP non-nil means popup the buffer up at the end.
+FIND-FILE-BUFFER, if non-nil, is the buffer from which the Lisp data
+was read.
+Return the buffer created."
+ (let (name)
+ (cond (find-file-buffer
+ (set-buffer find-file-buffer)
+ (erase-buffer)
+ (setq name (ebrowse-frozen-tree-buffer-name tags-file))
+ (ebrowse-rename-buffer name))
+ (t
+ (setq name ebrowse-tree-buffer-name)
+ (set-buffer (get-buffer-create name))))
+ ;; Switch to tree mode and initialize buffer local variables.
+ (ebrowse-tree-mode)
+ (setf ebrowse--tree tree
+ ebrowse--tags-file-name tags-file
+ ebrowse--tree-obarray obarray
+ ebrowse--header header
+ ebrowse--frozen-flag (not (null find-file-buffer)))
+ ;; Switch or pop to the tree buffer; display the tree and return the
+ ;; buffer.
+ (case pop
+ (switch (switch-to-buffer name))
+ (pop (pop-to-buffer name)))
+ (ebrowse-redraw-tree)
+ (set-buffer-modified-p nil)
+ (current-buffer)))
+
+
+\f
+;;; Operations for member obarrays
+
+(defun ebrowse-fill-member-table ()
+ "Return an obarray holding all members of all classes in the current tree.
+
+For each member, a symbol is added to the obarray. Members are
+extracted from the buffer-local tree `ebrowse--tree-obarray'.
+
+Each symbol has its property `ebrowse-info' set to a list (TREE MEMBER-LIST
+MEMBER) where TREE is the tree in which the member is defined,
+MEMBER-LIST is a symbol describing the member list in which the member
+is found, and MEMBER is a MEMBER structure describing the member.
+
+The slot `member-table' of the buffer-local header structure of
+type `ebrowse-hs' is set to the resulting obarray."
+ (let ((members (make-hash-table :test 'equal))
+ (i -1))
+ (setf (ebrowse-hs-member-table ebrowse--header) nil)
+ (garbage-collect)
+ ;; For all classes...
+ (ebrowse-for-all-trees (c ebrowse--tree-obarray)
+ (when (zerop (% (incf i) 10))
+ (ebrowse-show-progress "Preparing member lookup" (zerop i)))
+ (loop for f in ebrowse-member-list-accessors do
+ (loop for m in (funcall f c) do
+ (let* ((member-name (ebrowse-ms-name m))
+ (value (gethash member-name members)))
+ (push (list c f m) value)
+ (puthash member-name value members)))))
+ (setf (ebrowse-hs-member-table ebrowse--header) members)))
+
+
+(defun ebrowse-member-table (header)
+ "Return the member obarray. Build it it hasn't been set up yet.
+HEADER is the tree header structure of the class tree."
+ (when (null (ebrowse-hs-member-table header))
+ (loop for buffer in (ebrowse-browser-buffer-list)
+ until (eq header (ebrowse-value-in-buffer 'ebrowse--header buffer))
+ finally do
+ (save-excursion
+ (set-buffer buffer)
+ (ebrowse-fill-member-table))))
+ (ebrowse-hs-member-table header))
+
+
+\f
+;;; Operations on TREE obarrays
+
+(defun ebrowse-build-tree-obarray (tree)
+ "Make sure every class in TREE is represented by a unique object.
+Build obarray of all classes in TREE."
+ (let ((classes (make-vector 127 0)))
+ ;; Add root classes...
+ (loop for root in tree
+ as sym =
+ (intern (ebrowse-qualified-class-name (ebrowse-ts-class root)) classes)
+ do (unless (get sym 'ebrowse-root)
+ (setf (get sym 'ebrowse-root) root)))
+ ;; Process subclasses
+ (ebrowse-insert-supers tree classes)
+ classes))
+
+
+(defun ebrowse-insert-supers (tree classes)
+ "Build base class lists in class tree TREE.
+CLASSES is an obarray used to collect classes.
+
+Helper function for `ebrowse-build-tree-obarray'. Base classes should
+be ordered so that immediate base classes come first, then the base
+class of the immediate base class and so on. This means that we must
+construct the base-class list top down with adding each level at the
+beginning of the base-class list.
+
+We have to be cautious here not to end up in an infinite recursion
+if for some reason a circle is in the inheritance graph."
+ (loop for class in tree
+ as subclasses = (ebrowse-ts-subclasses class) do
+ ;; Make sure every class is represented by a unique object
+ (loop for subclass on subclasses
+ as sym = (intern
+ (ebrowse-qualified-class-name (ebrowse-ts-class (car subclass)))
+ classes)
+ as next = nil
+ do
+ ;; Replace the subclass tree with the one found in
+ ;; CLASSES if there is already an entry for that class
+ ;; in it. Otherwise make a new entry.
+ ;;
+ ;; CAVEAT: If by some means (e.g., use of the
+ ;; preprocessor in class declarations, a name is marked
+ ;; as a subclass of itself on some path, we would end up
+ ;; in an endless loop. We have to omit subclasses from
+ ;; the recursion that already have been processed.
+ (if (get sym 'ebrowse-root)
+ (setf (car subclass) (get sym 'ebrowse-root))
+ (setf (get sym 'ebrowse-root) (car subclass))))
+ ;; Process subclasses
+ (ebrowse-insert-supers subclasses classes)))
+
+\f
+;;; Tree buffers
+
+(unless ebrowse-tree-mode-map
+ (let ((map (make-keymap)))
+ (setf ebrowse-tree-mode-map map)
+ (suppress-keymap map)
+
+ (when window-system
+ (define-key map [down-mouse-3] 'ebrowse-mouse-3-in-tree-buffer)
+ (define-key map [mouse-2] 'ebrowse-mouse-2-in-tree-buffer)
+ (define-key map [down-mouse-1] 'ebrowse-mouse-1-in-tree-buffer))
+
+ (let ((map1 (make-sparse-keymap)))
+ (suppress-keymap map1 t)
+ (define-key map "L" map1)
+ (define-key map1 "d" 'ebrowse-tree-command:show-friends)
+ (define-key map1 "f" 'ebrowse-tree-command:show-member-functions)
+ (define-key map1 "F" 'ebrowse-tree-command:show-static-member-functions)
+ (define-key map1 "t" 'ebrowse-tree-command:show-types)
+ (define-key map1 "v" 'ebrowse-tree-command:show-member-variables)
+ (define-key map1 "V" 'ebrowse-tree-command:show-static-member-variables))
+
+ (let ((map1 (make-sparse-keymap)))
+ (suppress-keymap map1 t)
+ (define-key map "M" map1)
+ (define-key map1 "a" 'ebrowse-mark-all-classes)
+ (define-key map1 "t" 'ebrowse-toggle-mark-at-point))
+
+ (let ((map1 (make-sparse-keymap)))
+ (suppress-keymap map1 t)
+ (define-key map "T" map1)
+ (define-key map1 "f" 'ebrowse-toggle-file-name-display)
+ (define-key map1 "s" 'ebrowse-show-file-name-at-point)
+ (define-key map1 "w" 'ebrowse-set-tree-indentation)
+ (define-key map "x" 'ebrowse-statistics))
+
+ (define-key map "n" 'ebrowse-repeat-member-search)
+ (define-key map "q" 'bury-buffer)
+ (define-key map "*" 'ebrowse-expand-all)
+ (define-key map "+" 'ebrowse-expand-branch)
+ (define-key map "-" 'ebrowse-collapse-branch)
+ (define-key map "/" 'ebrowse-read-class-name-and-go)
+ (define-key map " " 'ebrowse-view-class-declaration)
+ (define-key map "?" 'describe-mode)
+ (define-key map "\C-i" 'ebrowse-pop/switch-to-member-buffer-for-same-tree)
+ (define-key map "\C-k" 'ebrowse-remove-class-at-point)
+ (define-key map "\C-l" 'ebrowse-redraw-tree)
+ (define-key map "\C-m" 'ebrowse-find-class-declaration)))
+
+
+\f
+;;; Tree-mode - mode for tree buffers
+
+;;;###autoload
+(defun ebrowse-tree-mode ()
+ "Major mode for Ebrowse class tree buffers.
+Each line corresponds to a class in a class tree.
+Letters do not insert themselves, they are commands.
+File operations in the tree buffer work on class tree data structures.
+E.g.\\[save-buffer] writes the tree to the file it was loaded from.
+
+Tree mode key bindings:
+\\{ebrowse-tree-mode-map}"
+ (kill-all-local-variables)
+ (mapcar 'make-local-variable
+ '(ebrowse--tags-file-name
+ ebrowse--indentation
+ ebrowse--tree
+ ebrowse--header
+ ebrowse--show-file-names-flag
+ ebrowse--frozen-flag
+ ebrowse--tree-obarray
+ ebrowse--mode-strings
+ revert-buffer-function))
+ (use-local-map ebrowse-tree-mode-map)
+ (let* ((props (text-properties-at
+ 0
+ (car (default-value 'mode-line-buffer-identification))))
+ (ident (apply #'propertize "C++ Tree" props)))
+ (setf ebrowse--show-file-names-flag nil
+ ebrowse--tree-obarray (make-vector 127 0)
+ ebrowse--frozen-flag nil
+ major-mode 'ebrowse-tree-mode
+ mode-name "Ebrowse-Tree"
+ mode-line-buffer-identification (list ident)
+ buffer-read-only t
+ selective-display t
+ selective-display-ellipses t
+ revert-buffer-function 'ebrowse-revert-tree-buffer-from-file))
+ (add-hook 'local-write-file-hooks 'ebrowse-write-file-hook-fn)
+ (modify-syntax-entry ?_ (char-to-string (char-syntax ?a)))
+ (run-hooks 'ebrowse-tree-mode-hook))
+
+
+(defun ebrowse-update-tree-buffer-mode-line ()
+ "Update the tree buffer mode line."
+ (setf ebrowse--mode-strings
+ (concat (if ebrowse--frozen-flag (or buffer-file-name
+ ebrowse--tags-file-name))
+ (if (buffer-modified-p) "-**")))
+ (ebrowse-rename-buffer (if ebrowse--frozen-flag
+ (ebrowse-frozen-tree-buffer-name
+ ebrowse--tags-file-name)
+ ebrowse-tree-buffer-name))
+ (force-mode-line-update))
+
+
+\f
+;;; Removing classes from trees
+
+(defun ebrowse-remove-class-and-kill-member-buffers (tree class)
+ "Remove from TREE class CLASS.
+Kill all member buffers still containing a reference to the class."
+ (let ((sym (intern-soft (ebrowse-cs-name (ebrowse-ts-class class))
+ ebrowse--tree-obarray)))
+ (setf tree (delq class tree)
+ (get sym 'ebrowse-root) nil)
+ (dolist (root tree)
+ (setf (ebrowse-ts-subclasses root)
+ (delq class (ebrowse-ts-subclasses root))
+ (ebrowse-ts-base-classes root) nil)
+ (ebrowse-remove-class-and-kill-member-buffers
+ (ebrowse-ts-subclasses root) class))
+ (ebrowse-kill-member-buffers-displaying class)
+ tree))
+
+
+(defun ebrowse-remove-class-at-point (forced)
+ "Remove the class point is on from the class tree.
+Do not ask for confirmation if FORCED is non-nil."
+ (interactive "P")
+ (let* ((class (ebrowse-tree-at-point))
+ (class-name (ebrowse-cs-name (ebrowse-ts-class class)))
+ (subclasses (ebrowse-ts-subclasses class)))
+ (cond ((or forced
+ (y-or-n-p (concat "Delete class " class-name "? ")))
+ (setf ebrowse--tree (ebrowse-remove-class-and-kill-member-buffers
+ ebrowse--tree class))
+ (set-buffer-modified-p t)
+ (message "%s %sdeleted." class-name
+ (if subclasses "and derived classes " ""))
+ (ebrowse-redraw-tree))
+ (t (message "Aborted")))))
+
+
+\f
+;;; Marking classes in the tree buffer
+
+(defun ebrowse-toggle-mark-at-point (&optional n-times)
+ "Toggle mark for class cursor is on.
+If given a numeric N-TIMES argument, mark that many classes."
+ (interactive "p")
+ (let (to-change pnt)
+ ;; Get the classes whose mark must be toggled. Note that
+ ;; ebrowse-tree-at-point might issue an error.
+ (condition-case error
+ (loop repeat (or n-times 1)
+ as tree = (ebrowse-tree-at-point)
+ do (progn
+ (setf (ebrowse-ts-mark tree) (not (ebrowse-ts-mark tree)))
+ (forward-line 1)
+ (push tree to-change)))
+ (error nil))
+ (save-excursion
+ ;; For all these classes, reverse the mark char in the display
+ ;; by a regexp replace over the whole buffer. The reason for this
+ ;; is that classes might have multiple base classes. If this is
+ ;; the case, they are displayed more than once in the tree.
+ (ebrowse-output
+ (loop for tree in to-change
+ as regexp = (concat "^.*\\b"
+ (regexp-quote
+ (ebrowse-cs-name (ebrowse-ts-class tree)))
+ "\\b")
+ do
+ (goto-char (point-min))
+ (loop while (re-search-forward regexp nil t)
+ do (progn
+ (goto-char (match-beginning 0))
+ (delete-char 1)
+ (insert-char (if (ebrowse-ts-mark tree) ?> ? ) 1)
+ (ebrowse-set-mark-props (1- (point)) (point) tree)
+ (goto-char (match-end 0)))))))))
+
+
+(defun ebrowse-mark-all-classes (prefix)
+ "Unmark, with PREFIX mark, all classes in the tree."
+ (interactive "P")
+ (ebrowse-for-all-trees (tree ebrowse--tree-obarray)
+ (setf (ebrowse-ts-mark tree) prefix))
+ (ebrowse-redraw-marks (point-min) (point-max)))
+
+
+(defun ebrowse-redraw-marks (start end)
+ "Display class marker signs in the tree between START and END."
+ (interactive)
+ (save-excursion
+ (ebrowse-output
+ (catch 'end
+ (goto-char (point-min))
+ (dolist (root ebrowse--tree)
+ (ebrowse-draw-marks-fn root start end))))
+ (ebrowse-update-tree-buffer-mode-line)))
+
+
+(defun ebrowse-draw-marks-fn (tree start end)
+ "Display class marker signs in TREE between START and END."
+ (when (>= (point) start)
+ (delete-char 1)
+ (insert (if (ebrowse-ts-mark tree) ?> ? ))
+ (ebrowse-set-mark-props (1- (point)) (point) tree))
+ (forward-line 1)
+ (when (> (point) end)
+ (throw 'end nil))
+ (dolist (sub (ebrowse-ts-subclasses tree))
+ (ebrowse-draw-marks-fn sub start end)))
+
+
+\f
+;;; File name display in tree buffers
+
+(defun ebrowse-show-file-name-at-point (prefix)
+ "Show filename in the line point is in.
+With PREFIX, insert that many filenames."
+ (interactive "p")
+ (unless ebrowse--show-file-names-flag
+ (ebrowse-output
+ (dotimes (i prefix)
+ (let ((tree (ebrowse-tree-at-point))
+ start
+ file-name-existing)
+ (unless tree return)
+ (beginning-of-line)
+ (skip-chars-forward " \t*a-zA-Z0-9_")
+ (setq start (point)
+ file-name-existing (looking-at "("))
+ (delete-region start (save-excursion (end-of-line) (point)))
+ (unless file-name-existing
+ (indent-to ebrowse-source-file-column)
+ (insert "(" (or (ebrowse-cs-file
+ (ebrowse-ts-class tree))
+ "unknown")
+ ")"))
+ (ebrowse-set-face start (point) 'ebrowse-file-name-face)
+ (beginning-of-line)
+ (forward-line 1))))))
+
+
+(defun ebrowse-toggle-file-name-display ()
+ "Toggle display of filenames in tree buffer."
+ (interactive)
+ (setf ebrowse--show-file-names-flag (not ebrowse--show-file-names-flag))
+ (let ((old-line (count-lines (point-min) (point))))
+ (ebrowse-redraw-tree)
+ (goto-line old-line)))
+
+
+\f
+;;; General member and tree buffer functions
+
+(defun ebrowse-member-buffer-p (buffer)
+ "Value is non-nil if BUFFER is a member buffer."
+ (eq (cdr (assoc 'major-mode (buffer-local-variables buffer)))
+ 'ebrowse-member-mode))
+
+
+(defun ebrowse-tree-buffer-p (buffer)
+ "Value is non-nil if BUFFER is a class tree buffer."
+ (eq (cdr (assoc 'major-mode (buffer-local-variables buffer)))
+ 'ebrowse-tree-mode))
+
+
+(defun ebrowse-buffer-p (buffer)
+ "Value is non-nil if BUFFER is a tree or member buffer."
+ (memq (cdr (assoc 'major-mode (buffer-local-variables buffer)))
+ '(ebrowse-tree-mode ebrowse-member-mode)))
+
+
+(defun ebrowse-browser-buffer-list ()
+ "Return a list of all tree or member buffers."
+ (ebrowse-delete-if-not 'ebrowse-buffer-p (buffer-list)))
+
+
+(defun ebrowse-member-buffer-list ()
+ "Return a list of all member buffers."
+ (ebrowse-delete-if-not 'ebrowse-member-buffer-p (buffer-list)))
+
+
+(defun ebrowse-tree-buffer-list ()
+ "Return a list of all tree buffers."
+ (ebrowse-delete-if-not 'ebrowse-tree-buffer-p (buffer-list)))
+
+
+(defun ebrowse-known-class-trees-buffer-list ()
+ "Return a list of buffers containing class trees.
+The list will contain, for each class tree loaded,
+one buffer. Prefer tree buffers over member buffers."
+ (let ((buffers (nconc (ebrowse-tree-buffer-list)
+ (ebrowse-member-buffer-list)))
+ (set (make-hash-table))
+ result)
+ (dolist (buffer buffers)
+ (let ((tree (ebrowse-value-in-buffer 'ebrowse--tree buffer)))
+ (unless (gethash tree set)
+ (push buffer result))
+ (puthash tree t set)))
+ result))
+
+
+(defun ebrowse-same-tree-member-buffer-list ()
+ "Return a list of members buffers with same tree as current buffer."
+ (ebrowse-delete-if-not
+ #'(lambda (buffer)
+ (eq (ebrowse-value-in-buffer 'ebrowse--tree buffer)
+ ebrowse--tree))
+ (ebrowse-member-buffer-list)))
+
+
+\f
+(defun ebrowse-pop/switch-to-member-buffer-for-same-tree (arg)
+ "Pop to the buffer displaying members.
+Switch to buffer if prefix ARG.
+If no member buffer exists, make one."
+ (interactive "P")
+ (let ((buf (or (first (ebrowse-same-tree-member-buffer-list))
+ (get-buffer ebrowse-member-buffer-name)
+ (ebrowse-tree-command:show-member-functions))))
+ (when buf
+ (if arg
+ (switch-to-buffer buf)
+ (pop-to-buffer buf)))
+ buf))
+
+
+(defun ebrowse-switch-to-next-member-buffer ()
+ "Switch to next member buffer."
+ (interactive)
+ (let* ((list (ebrowse-member-buffer-list))
+ (next-list (cdr (memq (current-buffer) list)))
+ (next-buffer (if next-list (car next-list) (car list))))
+ (if (eq next-buffer (current-buffer))
+ (error "No next buffer")
+ (bury-buffer)
+ (switch-to-buffer next-buffer))))
+
+
+(defun ebrowse-kill-member-buffers-displaying (tree)
+ "Kill all member buffers displaying TREE."
+ (loop for buffer in (ebrowse-member-buffer-list)
+ as class = (ebrowse-value-in-buffer 'ebrowse--displayed-class buffer)
+ when (eq class tree) do (kill-buffer buffer)))
+
+
+(defun ebrowse-frozen-tree-buffer-name (tags-file-name)
+ "Return the buffer name of a tree which is associated TAGS-FILE-NAME."
+ (concat ebrowse-tree-buffer-name " (" tags-file-name ")"))
+
+
+(defun ebrowse-pop-to-browser-buffer (arg)
+ "Pop to a browser buffer from any other buffer.
+Pop to member buffer if no prefix ARG, to tree buffer otherwise."
+ (interactive "P")
+ (let ((buffer (get-buffer (if arg
+ ebrowse-tree-buffer-name
+ ebrowse-member-buffer-name))))
+ (unless buffer
+ (setq buffer
+ (get-buffer (if arg
+ ebrowse-member-buffer-name
+ ebrowse-tree-buffer-name))))
+ (unless buffer
+ (error "No browser buffer found"))
+ (pop-to-buffer buffer)))
+
+
+\f
+;;; Misc tree buffer commands
+
+(defun ebrowse-set-tree-indentation ()
+ "Set the indentation width of the tree display."
+ (interactive)
+ (let ((width (string-to-int (read-from-minibuffer
+ (concat "Indentation ("
+ (int-to-string ebrowse--indentation)
+ "): ")))))
+ (when (plusp width)
+ (setf ebrowse--indentation width)
+ (ebrowse-redraw-tree))))
+
+
+(defun ebrowse-read-class-name-and-go (&optional class)
+ "Position cursor on CLASS.
+Read a class name from the minibuffer if CLASS is nil."
+ (interactive)
+ (ebrowse-ignoring-completion-case
+ ;; If no class specified, read the class name from mini-buffer
+ (unless class
+ (setf class
+ (completing-read "Goto class: "
+ (ebrowse-tree-obarray-as-alist) nil t)))
+ (ebrowse-save-selective
+ (goto-char (point-min))
+ (widen)
+ (setf selective-display nil)
+ (setq ebrowse--last-regexp (concat "\\b" class "\\b"))
+ (if (re-search-forward ebrowse--last-regexp nil t)
+ (progn
+ (goto-char (match-beginning 0))
+ (ebrowse-unhide-base-classes))
+ (error "Not found")))))
+
+
+\f
+;;; Showing various kinds of member buffers
+
+(defun ebrowse-tree-command:show-member-variables (arg)
+ "Display member variables; with prefix ARG in frozen member buffer."
+ (interactive "P")
+ (ebrowse-display-member-buffer 'ebrowse-ts-member-variables arg))
+
+
+(defun ebrowse-tree-command:show-member-functions (&optional arg)
+ "Display member functions; with prefix ARG in frozen member buffer."
+ (interactive "P")
+ (ebrowse-display-member-buffer 'ebrowse-ts-member-functions arg))
+
+
+(defun ebrowse-tree-command:show-static-member-variables (arg)
+ "Display static member variables; with prefix ARG in frozen member buffer."
+ (interactive "P")
+ (ebrowse-display-member-buffer 'ebrowse-ts-static-variables arg))
+
+
+(defun ebrowse-tree-command:show-static-member-functions (arg)
+ "Display static member functions; with prefix ARG in frozen member buffer."
+ (interactive "P")
+ (ebrowse-display-member-buffer 'ebrowse-ts-static-functions arg))
+
+
+(defun ebrowse-tree-command:show-friends (arg)
+ "Display friend functions; with prefix ARG in frozen member buffer."
+ (interactive "P")
+ (ebrowse-display-member-buffer 'ebrowse-ts-friends arg))
+
+
+(defun ebrowse-tree-command:show-types (arg)
+ "Display types defined in a class; with prefix ARG in frozen member buffer."
+ (interactive "P")
+ (ebrowse-display-member-buffer 'ebrowse-ts-types arg))
+
+
+\f
+;;; Viewing or finding a class declaration
+
+(defun ebrowse-tree-at-point ()
+ "Return the class structure for the class point is on."
+ (or (get-text-property (point) 'ebrowse-tree)
+ (error "Not on a class")))
+
+
+(defun* ebrowse-view/find-class-declaration (&key view where)
+ "View or find the declarator of the class point is on.
+VIEW non-nil means view it. WHERE is additional position info."
+ (let* ((class (ebrowse-ts-class (ebrowse-tree-at-point)))
+ (file (ebrowse-cs-file class))
+ (browse-struct (make-ebrowse-bs
+ :name (ebrowse-cs-name class)
+ :pattern (ebrowse-cs-pattern class)
+ :flags (ebrowse-cs-flags class)
+ :file (ebrowse-cs-file class)
+ :point (ebrowse-cs-point class))))
+ (ebrowse-view/find-file-and-search-pattern
+ browse-struct
+ (list ebrowse--header class nil)
+ file
+ ebrowse--tags-file-name
+ view
+ where)))
+
+
+(defun ebrowse-find-class-declaration (prefix-arg)
+ "Find a class declaration and position cursor on it.
+PREFIX-ARG 4 means find it in another window.
+PREFIX-ARG 5 means find it in another frame."
+ (interactive "p")
+ (ebrowse-view/find-class-declaration
+ :view nil
+ :where (cond ((= prefix-arg 4) 'other-window)
+ ((= prefix-arg 5) 'other-frame)
+ (t 'this-window))))
+
+
+(defun ebrowse-view-class-declaration (prefix-arg)
+ "View class declaration and position cursor on it.
+PREFIX-ARG 4 means view it in another window.
+PREFIX-ARG 5 means view it in another frame."
+ (interactive "p")
+ (ebrowse-view/find-class-declaration
+ :view 'view
+ :where (cond ((= prefix-arg 4) 'other-window)
+ ((= prefix-arg 5) 'other-frame)
+ (t 'this-window))))
+
+
+\f
+;;; The FIND engine
+
+(defun ebrowse-find-source-file (file tags-file-name)
+ "Find source file FILE.
+Source files are searched for (a) relative to TAGS-FILE-NAME
+which is the path of the BROWSE file from which the class tree was loaded,
+and (b) in the directories named in `ebrowse-search-path'."
+ (let (file-name
+ (try-file (expand-file-name file
+ (file-name-directory tags-file-name))))
+ (if (file-readable-p try-file)
+ (setq file-name try-file)
+ (let ((search-in ebrowse-search-path))
+ (while (and search-in
+ (null file-name))
+ (let ((try-file (expand-file-name file (car search-in))))
+ (if (file-readable-p try-file)
+ (setq file-name try-file))
+ (setq search-in (cdr search-in))))))
+ (unless file-name
+ (error "File `%s' not found" file))
+ file-name))
+
+
+(defun ebrowse-view-file-other-window (file)
+ "View a file FILE in another window.
+This is a replacement for `view-file-other-window' which does not
+seem to work. It should be removed when `view.el' is fixed."
+ (interactive)
+ (let ((old-arrangement (current-window-configuration))
+ (had-a-buf (get-file-buffer file))
+ (buf-to-view (find-file-noselect file)))
+ (switch-to-buffer-other-window buf-to-view)
+ (view-mode-enter old-arrangement
+ (and (not had-a-buf)
+ (not (buffer-modified-p buf-to-view))
+ 'kill-buffer))))
+
+
+(defun ebrowse-view-exit-fn (buffer)
+ "Function called when exiting View mode in BUFFER.
+Restore frame configuration active before viewing the file,
+and possibly kill the viewed buffer."
+ (let (exit-action original-frame-configuration)
+ (save-excursion
+ (set-buffer buffer)
+ (setq original-frame-configuration ebrowse--frame-configuration
+ exit-action ebrowse--view-exit-action))
+ ;; Delete the frame in which we viewed.
+ (mapcar 'delete-frame
+ (loop for frame in (frame-list)
+ when (not (assq frame original-frame-configuration))
+ collect frame))
+ (when exit-action
+ (funcall exit-action buffer))))
+
+
+(defun ebrowse-view-file-other-frame (file)
+ "View a file FILE in another frame.
+The new frame is deleted when it is no longer used."
+ (interactive)
+ (let ((old-frame-configuration (current-frame-configuration))
+ (old-arrangement (current-window-configuration))
+ (had-a-buf (get-file-buffer file))
+ (buf-to-view (find-file-noselect file)))
+ (switch-to-buffer-other-frame buf-to-view)
+ (make-local-variable 'ebrowse--frame-configuration)
+ (setq ebrowse--frame-configuration old-frame-configuration)
+ (make-local-variable 'ebrowse--view-exit-action)
+ (setq ebrowse--view-exit-action
+ (and (not had-a-buf)
+ (not (buffer-modified-p buf-to-view))
+ 'kill-buffer))
+ (view-mode-enter old-arrangement 'ebrowse-view-exit-fn)))
+
+
+(defun ebrowse-view/find-file-and-search-pattern
+ (struc info file tags-file-name &optional view where)
+ "Find or view a member or class.
+STRUC is an `ebrowse-bs' structure (or a structure including that)
+describing what to search.
+INFO is a list (HEADER MEMBER-OR-CLASS ACCESSOR). HEADER is the
+header structure of a class tree. MEMBER-OR-CLASS is either an
+`ebrowse-ms' or `ebrowse-cs' structure depending on what is searched.
+ACCESSOR is an accessor function for the member list of an member
+if MEMBER-OR-CLASS is an `ebrowse-ms'.
+FILE is the file to search the member in.
+FILE is not taken out of STRUC here because the filename in STRUC
+may be nil in which case the filename of the class description is used.
+TAGS-FILE-NAME is the name of the EBROWSE file from which the
+tree was loaded.
+If VIEW is non-nil, view file else find the file.
+WHERE is either `other-window', `other-frame' or `this-window' and
+specifies where to find/view the result."
+ (unless file
+ (error "Sorry, no file information available for %s"
+ (ebrowse-bs-name struc)))
+ ;; Get the source file to view or find.
+ (setf file (ebrowse-find-source-file file tags-file-name))
+ ;; If current window is dedicated, use another frame.
+ (when (window-dedicated-p (selected-window))
+ (setf where 'other-frame))
+ (cond (view
+ (setf ebrowse-temp-position-to-view struc
+ ebrowse-temp-info-to-view info)
+ (unless (boundp 'view-mode-hook)
+ (setq view-mode-hook nil))
+ (push 'ebrowse-find-pattern view-mode-hook)
+ (case where
+ (other-window (ebrowse-view-file-other-window file))
+ (other-frame (ebrowse-view-file-other-frame file))
+ (t (view-file file))))
+ (t
+ (case where
+ (other-window (find-file-other-window file))
+ (other-frame (find-file-other-frame file))
+ (t (find-file file)))
+ (ebrowse-find-pattern struc info))))
+
+
+(defun ebrowse-symbol-regexp (name)
+ "Generate a suitable regular expression for a member or class NAME.
+This is `regexp-quote' for most symbols, except for operator names
+which may contain whitespace. For these symbols, replace white
+space in the symbol name (generated by EBROWSE) with a regular
+expression matching any number of whitespace characters."
+ (loop with regexp = (regexp-quote name)
+ with start = 0
+ finally return regexp
+ while (string-match "[ \t]+" regexp start)
+ do (setf (substring regexp (match-beginning 0) (match-end 0))
+ "[ \t]*"
+ start (+ (match-beginning 0) 5))))
+
+
+(defun ebrowse-class-declaration-regexp (name)
+ "Construct a regexp for a declaration of class NAME."
+ (concat "^[ \t]*\\(template[ \t\n]*<.*>\\)?"
+ "[ \t\n]*\\(class\\|struct\\|union\\).*\\S_"
+ (ebrowse-symbol-regexp name)
+ "\\S_"))
+
+
+(defun ebrowse-variable-declaration-regexp (name)
+ "Construct a regexp for matching a variable NAME."
+ (concat "\\S_" (ebrowse-symbol-regexp name) "\\S_"))
+
+
+(defun ebrowse-function-declaration/definition-regexp (name)
+ "Construct a regexp for matching a function NAME."
+ (concat "^[a-zA-Z0-9_:*&<>, \t]*\\S_"
+ (ebrowse-symbol-regexp name)
+ "[ \t\n]*("))
+
+
+(defun ebrowse-pp-define-regexp (name)
+ "Construct a regexp matching a define of NAME."
+ (concat "^[ \t]*#[ \t]*define[ \t]+" (regexp-quote name)))
+
+
+(defun* ebrowse-find-pattern (&optional position info &aux viewing)
+ "Find a pattern.
+
+This is a kluge: Ebrowse allows you to find or view a file containing
+a pattern. To be able to do a search in a viewed buffer,
+`view-mode-hook' is temporarily set to this function;
+`ebrowse-temp-position-to-view' holds what to search for.
+
+INFO is a list (TREE-HEADER TREE-OR-MEMBER MEMBER-LIST)."
+ (unless position
+ (pop view-mode-hook)
+ (setf viewing t
+ position ebrowse-temp-position-to-view
+ info ebrowse-temp-info-to-view))
+ (widen)
+ (let* ((pattern (ebrowse-bs-pattern position))
+ (start (ebrowse-bs-point position))
+ (offset 100)
+ found)
+ (destructuring-bind (header class-or-member member-list) info
+ ;; If no pattern is specified, construct one from the member name.
+ (when (stringp pattern)
+ (setq pattern (concat "^.*" (regexp-quote pattern))))
+ ;; Construct a regular expression if none given.
+ (unless pattern
+ (typecase class-or-member
+ (ebrowse-ms
+ (case member-list
+ ((ebrowse-ts-member-variables
+ ebrowse-ts-static-variables
+ ebrowse-ts-types)
+ (setf pattern (ebrowse-variable-declaration-regexp
+ (ebrowse-bs-name position))))
+ (otherwise
+ (if (ebrowse-define-p class-or-member)
+ (setf pattern (ebrowse-pp-define-regexp (ebrowse-bs-name position)))
+ (setf pattern (ebrowse-function-declaration/definition-regexp
+ (ebrowse-bs-name position)))))))
+ (ebrowse-cs
+ (setf pattern (ebrowse-class-declaration-regexp
+ (ebrowse-bs-name position))))))
+ ;; Begin searching some OFFSET from the original point where the
+ ;; regular expression was found by the parse, and step forward.
+ ;; When there is no regular expression in the database and a
+ ;; member definition/declaration was not seen by the parser,
+ ;; START will be 0.
+ (when (and (boundp 'ebrowse-debug)
+ (symbol-value 'ebrowse-debug))
+ (y-or-n-p (format "start = %d" start))
+ (y-or-n-p pattern))
+ (setf found
+ (loop do (goto-char (max (point-min) (- start offset)))
+ when (re-search-forward pattern (+ start offset) t) return t
+ never (bobp)
+ do (incf offset offset)))
+ (cond (found
+ (beginning-of-line)
+ (run-hooks 'ebrowse-view/find-hook))
+ ((numberp (ebrowse-bs-pattern position))
+ (goto-char start)
+ (if ebrowse-not-found-hook
+ (run-hooks 'ebrowse-not-found-hook)
+ (message "Not found")
+ (sit-for 2)))
+ (t
+ (if ebrowse-not-found-hook
+ (run-hooks 'ebrowse-not-found-hook)
+ (unless viewing
+ (error "Not found"))
+ (message "Not found")
+ (sit-for 2)))))))
+
+\f
+;;; Drawing the tree
+
+(defun ebrowse-redraw-tree (&optional quietly)
+ "Redisplay the complete tree.
+QUIETLY non-nil means don't display progress messages."
+ (interactive)
+ (or quietly (message "Displaying..."))
+ (save-excursion
+ (ebrowse-output
+ (erase-buffer)
+ (ebrowse-draw-tree-fn)))
+ (ebrowse-update-tree-buffer-mode-line)
+ (or quietly (message nil)))
+
+
+(defun ebrowse-set-mark-props (start end tree)
+ "Set text properties for class marker signs between START and END.
+TREE denotes the class shown."
+ (add-text-properties
+ start end
+ `(mouse-face highlight ebrowse-what mark ebrowse-tree ,tree
+ help-echo "double-mouse-1: mark/unmark"))
+ (ebrowse-set-face start end 'ebrowse-tree-mark-face))
+
+
+(defun* ebrowse-draw-tree-fn (&aux stack1 stack2 start)
+ "Display a single class and recursively it's subclasses.
+This function may look weird, but this is faster than recursion."
+ (setq stack1 (make-list (length ebrowse--tree) 0)
+ stack2 (ebrowse-copy-list ebrowse--tree))
+ (loop while stack2
+ as level = (pop stack1)
+ as tree = (pop stack2)
+ as class = (ebrowse-ts-class tree) do
+ (let ((start-of-line (point))
+ start-of-class-name end-of-class-name)
+ ;; Insert mark
+ (insert (if (ebrowse-ts-mark tree) ">" " "))
+
+ ;; Indent and insert class name
+ (indent-to (+ (* level ebrowse--indentation)
+ ebrowse-tree-left-margin))
+ (setq start (point))
+ (insert (ebrowse-qualified-class-name class))
+
+ ;; If template class, add <>
+ (when (ebrowse-template-p class)
+ (insert "<>"))
+ (ebrowse-set-face start (point) (if (zerop level)
+ 'ebrowse-root-class-face
+ 'ebrowse-default-face))
+ (setf start-of-class-name start
+ end-of-class-name (point))
+ ;; If filenames are to be displayed...
+ (when ebrowse--show-file-names-flag
+ (indent-to ebrowse-source-file-column)
+ (setq start (point))
+ (insert "("
+ (or (ebrowse-cs-file class)
+ "unknown")
+ ")")
+ (ebrowse-set-face start (point) 'ebrowse-file-name-face))
+ (ebrowse-set-mark-props start-of-line (1+ start-of-line) tree)
+ (add-text-properties
+ start-of-class-name end-of-class-name
+ `(mouse-face highlight ebrowse-what class-name
+ ebrowse-tree ,tree
+ help-echo "double-mouse-1: (un)expand tree; mouse-2: member functions, mouse-3: menu"))
+ (insert "\n"))
+ ;; Push subclasses, if any.
+ (when (ebrowse-ts-subclasses tree)
+ (setq stack2
+ (nconc (ebrowse-copy-list (ebrowse-ts-subclasses tree)) stack2)
+ stack1
+ (nconc (make-list (length (ebrowse-ts-subclasses tree))
+ (1+ level)) stack1)))))
+
+
+\f
+;;; Expanding/ collapsing tree branches
+
+(defun ebrowse-expand-branch (arg)
+ "Expand a sub-tree that has been previously collapsed.
+With prefix ARG, expand all sub-trees."
+ (interactive "P")
+ (if arg
+ (ebrowse-expand-all arg)
+ (ebrowse-collapse-fn nil)))
+
+
+(defun ebrowse-collapse-branch (arg)
+ "Fold (do no longer display) the subclasses of the current class.
+\(The class cursor is on.) With prefix ARG, fold all trees in the buffer."
+ (interactive "P")
+ (if arg
+ (ebrowse-expand-all (not arg))
+ (ebrowse-collapse-fn t)))
+
+
+(defun ebrowse-expand-all (collapse)
+ "Expand or fold all trees in the buffer.
+COLLAPSE non-nil means fold them."
+ (interactive "P")
+ (let ((line-end (if collapse "^\n" "^\r"))
+ (insertion (if collapse "\r" "\n")))
+ (ebrowse-output
+ (save-excursion
+ (goto-char (point-min))
+ (while (not (progn (skip-chars-forward line-end) (eobp)))
+ (when (or (not collapse)
+ (looking-at "\n "))
+ (delete-char 1)
+ (insert insertion))
+ (when collapse
+ (skip-chars-forward "\n ")))))))
+
+
+(defun ebrowse-unhide-base-classes ()
+ "Unhide the line the cursor is on and all base classes."
+ (ebrowse-output
+ (save-excursion
+ (let (indent last-indent)
+ (skip-chars-backward "^\r\n")
+ (when (not (looking-at "[\r\n][^ \t]"))
+ (skip-chars-forward "\r\n \t")
+ (while (and (or (null last-indent) ;first time
+ (> indent 1)) ;not root class
+ (re-search-backward "[\r\n][ \t]*" nil t))
+ (setf indent (- (match-end 0)
+ (match-beginning 0)))
+ (when (or (null last-indent)
+ (< indent last-indent))
+ (setf last-indent indent)
+ (when (looking-at "\r")
+ (delete-char 1)
+ (insert 10)))
+ (backward-char 1)))))))
+
+
+(defun ebrowse-hide-line (collapse)
+ "Hide/show a single line in the tree.
+COLLAPSE non-nil means hide."
+ (save-excursion
+ (ebrowse-output
+ (skip-chars-forward "^\r\n")
+ (delete-char 1)
+ (insert (if collapse 13 10)))))
+
+
+(defun ebrowse-collapse-fn (collapse)
+ "Collapse or expand a branch of the tree.
+COLLAPSE non-nil means collapse the branch."
+ (ebrowse-output
+ (save-excursion
+ (beginning-of-line)
+ (skip-chars-forward "> \t")
+ (let ((indentation (current-column)))
+ (while (and (not (eobp))
+ (save-excursion
+ (skip-chars-forward "^\r\n")
+ (goto-char (1+ (point)))
+ (skip-chars-forward "> \t")
+ (> (current-column) indentation)))
+ (ebrowse-hide-line collapse)
+ (skip-chars-forward "^\r\n")
+ (goto-char (1+ (point))))))))
+
+\f
+;;; Electric tree selection
+
+(defvar ebrowse-electric-list-mode-map ()
+ "Keymap used in electric Ebrowse buffer list window.")
+
+
+(unless ebrowse-electric-list-mode-map
+ (let ((map (make-keymap))
+ (submap (make-keymap)))
+ (setq ebrowse-electric-list-mode-map map)
+ (fillarray (car (cdr map)) 'ebrowse-electric-list-undefined)
+ (fillarray (car (cdr submap)) 'ebrowse-electric-list-undefined)
+ (define-key map "\e" submap)
+ (define-key map "\C-z" 'suspend-emacs)
+ (define-key map "\C-h" 'Helper-help)
+ (define-key map "?" 'Helper-describe-bindings)
+ (define-key map "\C-c" nil)
+ (define-key map "\C-c\C-c" 'ebrowse-electric-list-quit)
+ (define-key map "q" 'ebrowse-electric-list-quit)
+ (define-key map " " 'ebrowse-electric-list-select)
+ (define-key map "\C-l" 'recenter)
+ (define-key map "\C-u" 'universal-argument)
+ (define-key map "\C-p" 'previous-line)
+ (define-key map "\C-n" 'next-line)
+ (define-key map "p" 'previous-line)
+ (define-key map "n" 'next-line)
+ (define-key map "v" 'ebrowse-electric-view-buffer)
+ (define-key map "\C-v" 'scroll-up)
+ (define-key map "\ev" 'scroll-down)
+ (define-key map "\e\C-v" 'scroll-other-window)
+ (define-key map "\e>" 'end-of-buffer)
+ (define-key map "\e<" 'beginning-of-buffer)
+ (define-key map "\e>" 'end-of-buffer)))
+
+(put 'ebrowse-electric-list-mode 'mode-class 'special)
+(put 'ebrowse-electric-list-undefined 'suppress-keymap t)
+
+
+(defun ebrowse-electric-list-mode ()
+ "Mode for electric tree list mode."
+ (kill-all-local-variables)
+ (use-local-map ebrowse-electric-list-mode-map)
+ (setq mode-name "Electric Position Menu"
+ mode-line-buffer-identification "Electric Tree Menu")
+ (when (memq 'mode-name mode-line-format)
+ (setq mode-line-format (copy-sequence mode-line-format))
+ (setcar (memq 'mode-name mode-line-format) "Tree Buffers"))
+ (make-local-variable 'Helper-return-blurb)
+ (setq Helper-return-blurb "return to buffer editing"
+ truncate-lines t
+ buffer-read-only t
+ major-mode 'ebrowse-electric-list-mode)
+ (run-hooks 'ebrowse-electric-list-mode-hook))
+
+
+(defun ebrowse-list-tree-buffers ()
+ "Display a list of all tree buffers."
+ (set-buffer (get-buffer-create "*Tree Buffers*"))
+ (setq buffer-read-only nil)
+ (erase-buffer)
+ (insert "Tree\n" "----\n")
+ (dolist (buffer (ebrowse-known-class-trees-buffer-list))
+ (insert (buffer-name buffer) "\n"))
+ (setq buffer-read-only t))
+
+
+;;;###autoload
+(defun ebrowse-electric-choose-tree ()
+ "Return a buffer containing a tree or nil if no tree found or canceled."
+ (interactive)
+ (unless (car (ebrowse-known-class-trees-buffer-list))
+ (error "No tree buffers"))
+ (let (select buffer window)
+ (save-window-excursion
+ (save-window-excursion (ebrowse-list-tree-buffers))
+ (setq window (Electric-pop-up-window "*Tree Buffers*")
+ buffer (window-buffer window))
+ (shrink-window-if-larger-than-buffer window)
+ (unwind-protect
+ (progn
+ (set-buffer buffer)
+ (ebrowse-electric-list-mode)
+ (setq select
+ (catch 'ebrowse-electric-list-select
+ (message "<<< Press Space to bury the list >>>")
+ (let ((first (progn (goto-char (point-min))
+ (forward-line 2)
+ (point)))
+ (last (progn (goto-char (point-max))
+ (forward-line -1)
+ (point)))
+ (goal-column 0))
+ (goto-char first)
+ (Electric-command-loop 'ebrowse-electric-list-select
+ nil
+ t
+ 'ebrowse-electric-list-looper
+ (cons first last))))))
+ (set-buffer buffer)
+ (bury-buffer buffer)
+ (message nil)))
+ (when select
+ (set-buffer buffer)
+ (setq select (ebrowse-electric-get-buffer select)))
+ (kill-buffer buffer)
+ select))
+
+
+(defun ebrowse-electric-list-looper (state condition)
+ "Prevent cursor from moving beyond the buffer end.
+Don't let it move into the title lines.
+See 'Electric-command-loop' for a description of STATE and CONDITION."
+ (cond ((and condition
+ (not (memq (car condition)
+ '(buffer-read-only end-of-buffer
+ beginning-of-buffer))))
+ (signal (car condition) (cdr condition)))
+ ((< (point) (car state))
+ (goto-char (point-min))
+ (forward-line 2))
+ ((> (point) (cdr state))
+ (goto-char (point-max))
+ (forward-line -1)
+ (if (pos-visible-in-window-p (point-max))
+ (recenter -1)))))
+
+
+(defun ebrowse-electric-list-undefined ()
+ "Function called for keys that are undefined."
+ (interactive)
+ (message "Type C-h for help, ? for commands, q to quit, Space to select.")
+ (sit-for 4))
+
+
+(defun ebrowse-electric-list-quit ()
+ "Discard the buffer list."
+ (interactive)
+ (throw 'ebrowse-electric-list-select nil))
+
+
+(defun ebrowse-electric-list-select ()
+ "Select a buffer from the buffer list."
+ (interactive)
+ (throw 'ebrowse-electric-list-select (point)))
+
+
+(defun ebrowse-electric-get-buffer (point)
+ "Get a buffer corresponding to the line POINT is in."
+ (let ((index (- (count-lines (point-min) point) 2)))
+ (nth index (ebrowse-known-class-trees-buffer-list))))
+
+
+;;; View a buffer for a tree.
+
+(defun ebrowse-electric-view-buffer ()
+ "View buffer point is on."
+ (interactive)
+ (let ((buffer (ebrowse-electric-get-buffer (point))))
+ (cond (buffer
+ (view-buffer buffer))
+ (t
+ (error "Buffer no longer exists")))))
+
+
+(defun ebrowse-choose-from-browser-buffers ()
+ "Read a browser buffer name from the minibuffer and return that buffer."
+ (let* ((buffers (ebrowse-known-class-trees-buffer-list)))
+ (if buffers
+ (if (not (second buffers))
+ (first buffers)
+ (or (ebrowse-electric-choose-tree) (error "No tree buffer")))
+ (let* ((insert-default-directory t)
+ (file (read-file-name "Find tree: " nil nil t)))
+ (save-excursion
+ (find-file file))
+ (find-buffer-visiting file)))))
+
+\f
+;;; Member buffers
+
+(unless ebrowse-member-mode-map
+ (let ((map (make-keymap)))
+ (setf ebrowse-member-mode-map map)
+ (suppress-keymap map)
+
+ (when window-system
+ (define-key map [down-mouse-3] 'ebrowse-member-mouse-3)
+ (define-key map [mouse-2] 'ebrowse-member-mouse-2))
+
+ (let ((map1 (make-sparse-keymap)))
+ (suppress-keymap map1 t)
+ (define-key map "C" map1)
+ (define-key map1 "b" 'ebrowse-switch-member-buffer-to-base-class)
+ (define-key map1 "c" 'ebrowse-switch-member-buffer-to-any-class)
+ (define-key map1 "d" 'ebrowse-switch-member-buffer-to-derived-class)
+ (define-key map1 "n" 'ebrowse-switch-member-buffer-to-next-sibling-class)
+ (define-key map1 "p" 'ebrowse-switch-member-buffer-to-previous-sibling-class))
+
+ (let ((map1 (make-sparse-keymap)))
+ (suppress-keymap map1 t)
+ (define-key map "D" map1)
+ (define-key map1 "a" 'ebrowse-toggle-member-attributes-display)
+ (define-key map1 "b" 'ebrowse-toggle-base-class-display)
+ (define-key map1 "f" 'ebrowse-freeze-member-buffer)
+ (define-key map1 "l" 'ebrowse-toggle-long-short-display)
+ (define-key map1 "r" 'ebrowse-toggle-regexp-display)
+ (define-key map1 "w" 'ebrowse-set-member-buffer-column-width))
+
+ (let ((map1 (make-sparse-keymap)))
+ (suppress-keymap map1 t)
+ (define-key map "F" map1)
+ (let ((map2 (make-sparse-keymap)))
+ (suppress-keymap map2 t)
+ (define-key map1 "a" map2)
+ (define-key map2 "i" 'ebrowse-toggle-private-member-filter)
+ (define-key map2 "o" 'ebrowse-toggle-protected-member-filter)
+ (define-key map2 "u" 'ebrowse-toggle-public-member-filter))
+ (define-key map1 "c" 'ebrowse-toggle-const-member-filter)
+ (define-key map1 "i" 'ebrowse-toggle-inline-member-filter)
+ (define-key map1 "p" 'ebrowse-toggle-pure-member-filter)
+ (define-key map1 "r" 'ebrowse-remove-all-member-filters)
+ (define-key map1 "v" 'ebrowse-toggle-virtual-member-filter))
+
+ (let ((map1 (make-sparse-keymap)))
+ (suppress-keymap map1 t)
+ (define-key map "L" map1)
+ (define-key map1 "d" 'ebrowse-display-friends-member-list)
+ (define-key map1 "f" 'ebrowse-display-function-member-list)
+ (define-key map1 "F" 'ebrowse-display-static-functions-member-list)
+ (define-key map1 "n" 'ebrowse-display-next-member-list)
+ (define-key map1 "p" 'ebrowse-display-previous-member-list)
+ (define-key map1 "t" 'ebrowse-display-types-member-list)
+ (define-key map1 "v" 'ebrowse-display-variables-member-list)
+ (define-key map1 "V" 'ebrowse-display-static-variables-member-list))
+
+ (let ((map1 (make-sparse-keymap)))
+ (suppress-keymap map1 t)
+ (define-key map "G" map1)
+ (define-key map1 "m" 'ebrowse-goto-visible-member/all-member-lists)
+ (define-key map1 "n" 'ebrowse-repeat-member-search)
+ (define-key map1 "v" 'ebrowse-goto-visible-member))
+
+ (define-key map "f" 'ebrowse-find-member-declaration)
+ (define-key map "m" 'ebrowse-switch-to-next-member-buffer)
+ (define-key map "q" 'bury-buffer)
+ (define-key map "t" 'ebrowse-show-displayed-class-in-tree)
+ (define-key map "v" 'ebrowse-view-member-declaration)
+ (define-key map " " 'ebrowse-view-member-definition)
+ (define-key map "?" 'describe-mode)
+ (define-key map "\C-i" 'ebrowse-pop-from-member-to-tree-buffer)
+ (define-key map "\C-l" 'ebrowse-redisplay-member-buffer)
+ (define-key map "\C-m" 'ebrowse-find-member-definition)))
+
+
+\f
+;;; Member mode
+
+;;###autoload
+(defun ebrowse-member-mode ()
+ "Major mode for Ebrowse member buffers.
+
+\\{ebrowse-member-mode-map}"
+ (kill-all-local-variables)
+ (use-local-map ebrowse-member-mode-map)
+ (setq major-mode 'ebrowse-member-mode)
+ (mapcar 'make-local-variable
+ '(ebrowse--decl-column ;display column
+ ebrowse--n-columns ;number of short columns
+ ebrowse--column-width ;width of columns above
+ ebrowse--show-inherited-flag ;include inherited members?
+ ebrowse--filters ;public, protected, private
+ ebrowse--accessor ;vars, functions, friends
+ ebrowse--displayed-class ;class displayed
+ ebrowse--long-display-flag ;display with regexps?
+ ebrowse--source-regexp-flag ;show source regexp?
+ ebrowse--attributes-flag ;show `virtual' and `inline'
+ ebrowse--member-list ;list of members displayed
+ ebrowse--tree ;the class tree
+ ebrowse--member-mode-strings ;part of mode line
+ ebrowse--tags-file-name ;
+ ebrowse--header
+ ebrowse--tree-obarray
+ ebrowse--virtual-display-flag
+ ebrowse--inline-display-flag
+ ebrowse--const-display-flag
+ ebrowse--pure-display-flag
+ ebrowse--mode-line-props
+ ebrowse--frozen-flag)) ;buffer not automagically reused
+ (setq ebrowse--mode-line-props (text-properties-at
+ 0 (car (default-value
+ 'mode-line-buffer-identification)))
+ mode-name "Ebrowse-Members"
+ mode-line-buffer-identification 'ebrowse--member-mode-strings
+ buffer-read-only t
+ ebrowse--long-display-flag nil
+ ebrowse--attributes-flag t
+ ebrowse--show-inherited-flag t
+ ebrowse--source-regexp-flag nil
+ ebrowse--filters [0 1 2]
+ ebrowse--decl-column ebrowse-default-declaration-column
+ ebrowse--column-width ebrowse-default-column-width
+ ebrowse--virtual-display-flag nil
+ ebrowse--inline-display-flag nil
+ ebrowse--const-display-flag nil
+ ebrowse--pure-display-flag nil)
+ (modify-syntax-entry ?_ (char-to-string (char-syntax ?a)))
+ (run-hooks 'ebrowse-member-mode-hook))
+
+
+\f
+;;; Member mode mode line
+
+(defsubst ebrowse-class-name-displayed-in-member-buffer ()
+ "Return the name of the class displayed in the member buffer."
+ (ebrowse-cs-name (ebrowse-ts-class ebrowse--displayed-class)))
+
+
+(defsubst ebrowse-member-list-name ()
+ "Return a string describing what is displayed in the member buffer."
+ (get ebrowse--accessor (if (ebrowse-globals-tree-p ebrowse--displayed-class)
+ 'ebrowse-global-title
+ 'ebrowse-title)))
+
+
+(defun ebrowse-update-member-buffer-mode-line ()
+ "Update the mode line of member buffers."
+ (let* ((name (when ebrowse--frozen-flag
+ (concat (ebrowse-class-name-displayed-in-member-buffer)
+ " ")))
+ (ident (concat name (ebrowse-member-list-name))))
+ (setq ebrowse--member-mode-strings
+ (apply #'propertize ident ebrowse--mode-line-props))
+ (ebrowse-rename-buffer (if name ident ebrowse-member-buffer-name))
+ (force-mode-line-update)))
+
+
+;;; Misc member buffer commands
+
+(defun ebrowse-freeze-member-buffer ()
+ "Toggle frozen status of current buffer."
+ (interactive)
+ (setq ebrowse--frozen-flag (not ebrowse--frozen-flag))
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-show-displayed-class-in-tree (arg)
+ "Show the currently displayed class in the tree window.
+With prefix ARG, switch to the tree buffer else pop to it."
+ (interactive "P")
+ (let ((class-name (ebrowse-class-name-displayed-in-member-buffer)))
+ (when (ebrowse-pop-from-member-to-tree-buffer arg)
+ (ebrowse-read-class-name-and-go class-name))))
+
+
+(defun ebrowse-set-member-buffer-column-width ()
+ "Set the column width of the member display.
+The new width is read from the minibuffer."
+ (interactive)
+ (let ((width (string-to-int
+ (read-from-minibuffer
+ (concat "Column width ("
+ (int-to-string (if ebrowse--long-display-flag
+ ebrowse--decl-column
+ ebrowse--column-width))
+ "): ")))))
+ (when (plusp width)
+ (if ebrowse--long-display-flag
+ (setq ebrowse--decl-column width)
+ (setq ebrowse--column-width width))
+ (ebrowse-redisplay-member-buffer))))
+
+
+(defun ebrowse-pop-from-member-to-tree-buffer (arg)
+ "Pop from a member buffer to the matching tree buffer.
+Switch to the buffer if prefix ARG. If no tree buffer exists,
+make one."
+ (interactive "P")
+ (let ((buf (or (get-buffer (ebrowse-frozen-tree-buffer-name
+ ebrowse--tags-file-name))
+ (get-buffer ebrowse-tree-buffer-name)
+ (ebrowse-create-tree-buffer ebrowse--tree
+ ebrowse--tags-file-name
+ ebrowse--header
+ ebrowse--tree-obarray
+ 'pop))))
+ (and buf
+ (funcall (if arg 'switch-to-buffer 'pop-to-buffer) buf))
+ buf))
+
+
+\f
+;;; Switching between member lists
+
+(defun ebrowse-display-member-list-for-accessor (accessor)
+ "Switch the member buffer to display the member list for ACCESSOR."
+ (setf ebrowse--accessor accessor
+ ebrowse--member-list (funcall accessor ebrowse--displayed-class))
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-cyclic-display-next/previous-member-list (incr)
+ "Switch buffer to INCR'th next/previous list of members."
+ (let ((index (ebrowse-position ebrowse--accessor
+ ebrowse-member-list-accessors)))
+ (setf ebrowse--accessor
+ (cond ((plusp incr)
+ (or (nth (1+ index)
+ ebrowse-member-list-accessors)
+ (first ebrowse-member-list-accessors)))
+ ((minusp incr)
+ (or (and (>= (decf index) 0)
+ (nth index
+ ebrowse-member-list-accessors))
+ (first (last ebrowse-member-list-accessors))))))
+ (ebrowse-display-member-list-for-accessor ebrowse--accessor)))
+
+
+(defun ebrowse-display-next-member-list ()
+ "Switch buffer to next member list."
+ (interactive)
+ (ebrowse-cyclic-display-next/previous-member-list 1))
+
+
+(defun ebrowse-display-previous-member-list ()
+ "Switch buffer to previous member list."
+ (interactive)
+ (ebrowse-cyclic-display-next/previous-member-list -1))
+
+
+(defun ebrowse-display-function-member-list ()
+ "Display the list of member functions."
+ (interactive)
+ (ebrowse-display-member-list-for-accessor 'ebrowse-ts-member-functions))
+
+
+(defun ebrowse-display-variables-member-list ()
+ "Display the list of member variables."
+ (interactive)
+ (ebrowse-display-member-list-for-accessor 'ebrowse-ts-member-variables))
+
+
+(defun ebrowse-display-static-variables-member-list ()
+ "Display the list of static member variables."
+ (interactive)
+ (ebrowse-display-member-list-for-accessor 'ebrowse-ts-static-variables))
+
+
+(defun ebrowse-display-static-functions-member-list ()
+ "Display the list of static member functions."
+ (interactive)
+ (ebrowse-display-member-list-for-accessor 'ebrowse-ts-static-functions))
+
+
+(defun ebrowse-display-friends-member-list ()
+ "Display the list of friends."
+ (interactive)
+ (ebrowse-display-member-list-for-accessor 'ebrowse-ts-friends))
+
+
+(defun ebrowse-display-types-member-list ()
+ "Display the list of types."
+ (interactive)
+ (ebrowse-display-member-list-for-accessor 'ebrowse-ts-types))
+
+
+\f
+;;; Filters and other display attributes
+
+(defun ebrowse-toggle-member-attributes-display ()
+ "Toggle display of `virtual', `inline', `const' etc."
+ (interactive)
+ (setq ebrowse--attributes-flag (not ebrowse--attributes-flag))
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-toggle-base-class-display ()
+ "Toggle the display of members inherited from base classes."
+ (interactive)
+ (setf ebrowse--show-inherited-flag (not ebrowse--show-inherited-flag))
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-toggle-pure-member-filter ()
+ "Toggle display of pure virtual members."
+ (interactive)
+ (setf ebrowse--pure-display-flag (not ebrowse--pure-display-flag))
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-toggle-const-member-filter ()
+ "Toggle display of const members."
+ (interactive)
+ (setf ebrowse--const-display-flag (not ebrowse--const-display-flag))
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-toggle-inline-member-filter ()
+ "Toggle display of inline members."
+ (interactive)
+ (setf ebrowse--inline-display-flag (not ebrowse--inline-display-flag))
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-toggle-virtual-member-filter ()
+ "Toggle display of virtual members."
+ (interactive)
+ (setf ebrowse--virtual-display-flag (not ebrowse--virtual-display-flag))
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-remove-all-member-filters ()
+ "Remove all filters."
+ (interactive)
+ (dotimes (i 3)
+ (aset ebrowse--filters i i))
+ (setq ebrowse--pure-display-flag nil
+ ebrowse--const-display-flag nil
+ ebrowse--virtual-display-flag nil
+ ebrowse--inline-display-flag nil)
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-toggle-public-member-filter ()
+ "Toggle visibility of public members."
+ (interactive)
+ (ebrowse-set-member-access-visibility 0)
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-toggle-protected-member-filter ()
+ "Toggle visibility of protected members."
+ (interactive)
+ (ebrowse-set-member-access-visibility 1)
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-toggle-private-member-filter ()
+ "Toggle visibility of private members."
+ (interactive)
+ (ebrowse-set-member-access-visibility 2)
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-set-member-access-visibility (vis)
+ (setf (aref ebrowse--filters vis)
+ (if (aref ebrowse--filters vis) nil vis)))
+
+
+(defun ebrowse-toggle-long-short-display ()
+ "Toggle between long and short display form of member buffers."
+ (interactive)
+ (setf ebrowse--long-display-flag (not ebrowse--long-display-flag))
+ (ebrowse-redisplay-member-buffer))
+
+
+(defun ebrowse-toggle-regexp-display ()
+ "Toggle declaration/definition regular expression display.
+Used in member buffers showing the long display form."
+ (interactive)
+ (setf ebrowse--source-regexp-flag (not ebrowse--source-regexp-flag))
+ (ebrowse-redisplay-member-buffer))
+
+
+\f
+;;; Viewing/finding members
+
+(defun ebrowse-find-member-definition (&optional prefix)
+ "Find the file containing a member definition.
+With PREFIX 4. find file in another window, with prefix 5
+find file in another frame."
+ (interactive "p")
+ (ebrowse-view/find-member-declaration/definition prefix nil t))
+
+
+(defun ebrowse-view-member-definition (prefix)
+ "View the file containing a member definition.
+With PREFIX 4. find file in another window, with prefix 5
+find file in another frame."
+ (interactive "p")
+ (ebrowse-view/find-member-declaration/definition prefix t t))
+
+
+(defun ebrowse-find-member-declaration (prefix)
+ "Find the file containing a member's declaration.
+With PREFIX 4. find file in another window, with prefix 5
+find file in another frame."
+ (interactive "p")
+ (ebrowse-view/find-member-declaration/definition prefix nil))
+
+
+(defun ebrowse-view-member-declaration (prefix)
+ "View the file containing a member's declaration.
+With PREFIX 4. find file in another window, with prefix 5
+find file in another frame."
+ (interactive "p")
+ (ebrowse-view/find-member-declaration/definition prefix t))
+
+
+(defun* ebrowse-view/find-member-declaration/definition
+ (prefix view &optional definition info header tags-file-name)
+ "Find or view a member declaration or definition.
+With PREFIX 4. find file in another window, with prefix 5
+find file in another frame.
+DEFINITION non-nil means find the definition, otherwise find the
+declaration.
+INFO is a list (TREE ACCESSOR MEMBER) describing the member to
+search.
+TAGS-FILE-NAME is the file name of the EBROWSE file."
+ (unless header
+ (setq header ebrowse--header))
+ (unless tags-file-name
+ (setq tags-file-name ebrowse--tags-file-name))
+ (let (tree member accessor file on-class
+ (where (if (= prefix 4) 'other-window
+ (if (= prefix 5) 'other-frame 'this-window))))
+ ;; If not given as parameters, get the necessary information
+ ;; out of the member buffer.
+ (if info
+ (setq tree (first info)
+ accessor (second info)
+ member (third info))
+ (multiple-value-setq (tree member on-class)
+ (ebrowse-member-info-from-point))
+ (setq accessor ebrowse--accessor))
+ ;; View/find class if on a line containing a class name.
+ (when on-class
+ (return-from ebrowse-view/find-member-declaration/definition
+ (ebrowse-view/find-file-and-search-pattern
+ (ebrowse-ts-class tree)
+ (list ebrowse--header (ebrowse-ts-class tree) nil)
+ (ebrowse-cs-file (ebrowse-ts-class tree))
+ tags-file-name view where)))
+ ;; For some member lists, it doesn't make sense to search for
+ ;; a definition. If this is requested, silently search for the
+ ;; declaration.
+ (when (and definition
+ (eq accessor 'ebrowse-ts-member-variables))
+ (setq definition nil))
+ ;; Construct a suitable `browse' struct for definitions.
+ (when definition
+ (setf member (make-ebrowse-ms
+ :name (ebrowse-ms-name member)
+ :file (ebrowse-ms-definition-file member)
+ :pattern (ebrowse-ms-definition-pattern
+ member)
+ :flags (ebrowse-ms-flags member)
+ :point (ebrowse-ms-definition-point
+ member))))
+ ;; When no file information in member, use that of the class
+ (setf file (or (ebrowse-ms-file member)
+ (if definition
+ (ebrowse-cs-source-file (ebrowse-ts-class tree))
+ (ebrowse-cs-file (ebrowse-ts-class tree)))))
+ ;; When we have no regular expressions in the database the only
+ ;; indication that the parser hasn't seen a definition/declaration
+ ;; is that the search start point will be zero.
+ (if (or (null file) (zerop (ebrowse-ms-point member)))
+ (if (y-or-n-p (concat "No information about "
+ (if definition "definition" "declaration")
+ ". Search for "
+ (if definition "declaration" "definition")
+ " of `"
+ (ebrowse-ms-name member)
+ "'? "))
+ (progn
+ (message nil)
+ ;; Recurse with new info.
+ (ebrowse-view/find-member-declaration/definition
+ prefix view (not definition) info header tags-file-name))
+ (error "Search canceled"))
+ ;; Find that thing.
+ (ebrowse-view/find-file-and-search-pattern
+ (make-ebrowse-bs :name (ebrowse-ms-name member)
+ :pattern (ebrowse-ms-pattern member)
+ :file (ebrowse-ms-file member)
+ :flags (ebrowse-ms-flags member)
+ :point (ebrowse-ms-point member))
+ (list header member accessor)
+ file
+ tags-file-name
+ view
+ where))))
+
+
+\f
+;;; Drawing the member buffer
+
+(defun ebrowse-redisplay-member-buffer ()
+ "Force buffer redisplay."
+ (interactive)
+ (let ((display-fn (if ebrowse--long-display-flag
+ 'ebrowse-draw-member-long-fn
+ 'ebrowse-draw-member-short-fn)))
+ (ebrowse-output
+ (erase-buffer)
+ ;; Show this class
+ (ebrowse-draw-member-buffer-class-line)
+ (funcall display-fn ebrowse--member-list ebrowse--displayed-class)
+ ;; Show inherited members if corresponding switch is on
+ (when ebrowse--show-inherited-flag
+ (dolist (super (ebrowse-base-classes ebrowse--displayed-class))
+ (goto-char (point-max))
+ (insert (if (bolp) "\n\n" "\n"))
+ (ebrowse-draw-member-buffer-class-line super)
+ (funcall display-fn (funcall ebrowse--accessor super) super)))
+ (ebrowse-update-member-buffer-mode-line))))
+
+
+(defun ebrowse-draw-member-buffer-class-line (&optional class)
+ "Display the title line for a class section in the member buffer.
+CLASS non-nil means display that class' title. Otherwise use
+the class cursor is on."
+ (let ((start (point))
+ (tree (or class ebrowse--displayed-class))
+ class-name-start
+ class-name-end)
+ (insert "class ")
+ (setq class-name-start (point))
+ (insert (ebrowse-qualified-class-name (ebrowse-ts-class tree)))
+ (when (ebrowse-template-p (ebrowse-ts-class tree))
+ (insert "<>"))
+ (setq class-name-end (point))
+ (insert ":\n\n")
+ (ebrowse-set-face start (point) 'ebrowse-member-class-face)
+ (add-text-properties
+ class-name-start class-name-end
+ '(ebrowse-what class-name
+ mouse-face highlight
+ help-echo "mouse-3: menu"))
+ (put-text-property start class-name-end 'ebrowse-tree tree)))
+
+
+(defun ebrowse-display-member-buffer (list &optional stand-alone class)
+ "Start point for member buffer creation.
+LIST is the member list to display. STAND-ALONE non-nil
+means the member buffer is standalone. CLASS is its class."
+ (let* ((classes ebrowse--tree-obarray)
+ (tree ebrowse--tree)
+ (tags-file-name ebrowse--tags-file-name)
+ (header ebrowse--header)
+ temp-buffer-setup-hook
+ (temp-buffer (get-buffer ebrowse-member-buffer-name)))
+ ;; Get the class description from the name the cursor
+ ;; is on if not specified as an argument.
+ (unless class
+ (setq class (ebrowse-tree-at-point)))
+ (with-output-to-temp-buffer ebrowse-member-buffer-name
+ (save-excursion
+ (set-buffer standard-output)
+ ;; If new buffer, set the mode and initial values of locals
+ (unless temp-buffer
+ (ebrowse-member-mode))
+ ;; Set local variables
+ (setq ebrowse--member-list (funcall list class)
+ ebrowse--displayed-class class
+ ebrowse--accessor list
+ ebrowse--tree-obarray classes
+ ebrowse--frozen-flag stand-alone
+ ebrowse--tags-file-name tags-file-name
+ ebrowse--header header
+ ebrowse--tree tree
+ buffer-read-only t)
+ (ebrowse-redisplay-member-buffer)
+ (current-buffer)))))
+
+
+(defun ebrowse-member-display-p (member)
+ "Return t if MEMBER must be displayed under the current filter settings."
+ (if (and (aref ebrowse--filters (ebrowse-ms-visibility member))
+ (or (null ebrowse--const-display-flag)
+ (ebrowse-const-p member))
+ (or (null ebrowse--inline-display-flag)
+ (ebrowse-inline-p member))
+ (or (null ebrowse--pure-display-flag)
+ (ebrowse-bs-p member))
+ (or (null ebrowse--virtual-display-flag)
+ (ebrowse-virtual-p member)))
+ member))
+
+
+(defun ebrowse-draw-member-attributes (member)
+ "Insert a string for the attributes of MEMBER."
+ (insert (if (ebrowse-template-p member) "T" "-")
+ (if (ebrowse-extern-c-p member) "C" "-")
+ (if (ebrowse-virtual-p member) "v" "-")
+ (if (ebrowse-inline-p member) "i" "-")
+ (if (ebrowse-const-p member) "c" "-")
+ (if (ebrowse-pure-virtual-p member) "0" "-")
+ (if (ebrowse-mutable-p member) "m" "-")
+ (if (ebrowse-explicit-p member) "e" "-")
+ (if (ebrowse-throw-list-p member) "t" "-")))
+
+
+(defun ebrowse-draw-member-regexp (member-struc)
+ "Insert a string for the regular expression matching MEMBER-STRUC."
+ (let ((pattern (if ebrowse--source-regexp-flag
+ (ebrowse-ms-definition-pattern
+ member-struc)
+ (ebrowse-ms-pattern member-struc))))
+ (cond ((stringp pattern)
+ (insert (ebrowse-trim-string pattern) "...\n")
+ (beginning-of-line 0)
+ (move-to-column (+ 4 ebrowse--decl-column))
+ (while (re-search-forward "[ \t]+" nil t)
+ (delete-region (match-beginning 0) (match-end 0))
+ (insert " "))
+ (beginning-of-line 2))
+ (t
+ (insert "[not recorded or unknown]\n")))))
+
+
+(defun ebrowse-draw-member-long-fn (member-list tree)
+ "Display member buffer for MEMBER-LIST in long form.
+TREE is the class tree of MEMBER-LIST."
+ (dolist (member-struc (mapcar 'ebrowse-member-display-p member-list))
+ (when member-struc
+ (let ((name (ebrowse-ms-name member-struc))
+ (start (point)))
+ ;; Insert member name truncated to the right length
+ (insert (substring name
+ 0
+ (min (length name)
+ (1- ebrowse--decl-column))))
+ (add-text-properties
+ start (point)
+ `(mouse-face highlight ebrowse-what member-name
+ ebrowse-member ,member-struc
+ ebrowse-tree ,tree
+ help-echo "mouse-2: view definition; mouse-3: menu"))
+ ;; Display virtual, inline, and const status
+ (setf start (point))
+ (indent-to ebrowse--decl-column)
+ (put-text-property start (point) 'mouse-face nil)
+ (when ebrowse--attributes-flag
+ (let ((start (point)))
+ (insert "<")
+ (ebrowse-draw-member-attributes member-struc)
+ (insert ">")
+ (ebrowse-set-face start (point)
+ 'ebrowse-member-attribute-face)))
+ (insert " ")
+ (ebrowse-draw-member-regexp member-struc))))
+ (insert "\n")
+ (goto-char (point-min)))
+
+
+(defun ebrowse-draw-member-short-fn (member-list tree)
+ "Display MEMBER-LIST in short form.
+TREE is the class tree in which the members are found."
+ (let ((i 0)
+ (column-width (+ ebrowse--column-width
+ (if ebrowse--attributes-flag 12 0))))
+ ;; Get the number of columns to draw.
+ (setq ebrowse--n-columns
+ (max 1 (/ (ebrowse-width-of-drawable-area) column-width)))
+ (dolist (member (mapcar #'ebrowse-member-display-p member-list))
+ (when member
+ (let ((name (ebrowse-ms-name member))
+ start-of-entry
+ (start-of-column (point))
+ start-of-name)
+ (indent-to (* i column-width))
+ (put-text-property start-of-column (point) 'mouse-face nil)
+ (setq start-of-entry (point))
+ ;; Show various attributes
+ (when ebrowse--attributes-flag
+ (insert "<")
+ (ebrowse-draw-member-attributes member)
+ (insert "> ")
+ (ebrowse-set-face start-of-entry (point)
+ 'ebrowse-member-attribute-face))
+ ;; insert member name truncated to column width
+ (setq start-of-name (point))
+ (insert (substring name 0
+ (min (length name)
+ (1- ebrowse--column-width))))
+ ;; set text properties
+ (add-text-properties
+ start-of-name (point)
+ `(ebrowse-what member-name
+ ebrowse-member ,member
+ mouse-face highlight
+ ebrowse-tree ,tree
+ help-echo "mouse-2: view definition; mouse-3: menu"))
+ (incf i)
+ (when (>= i ebrowse--n-columns)
+ (setf i 0)
+ (insert "\n")))))
+ (when (plusp i)
+ (insert "\n"))
+ (goto-char (point-min))))
+
+
+\f
+;;; Killing members from tree
+
+(defun ebrowse-member-info-from-point ()
+ "Ger information about the member at point.
+The result has the form (TREE MEMBER NULL-P). TREE is the tree
+we're in, MEMBER is the member we're on. NULL-P is t if MEMBER
+is nil."
+ (let ((tree (or (get-text-property (point) 'ebrowse-tree)
+ (error "No information at point")))
+ (member (get-text-property (point) 'ebrowse-member)))
+ (list tree member (null member))))
+
+
+\f
+;;; Switching member buffer to display a selected member
+
+(defun ebrowse-goto-visible-member/all-member-lists (prefix)
+ "Position cursor on a member read from the minibuffer.
+With PREFIX, search all members in the tree. Otherwise consider
+only members visible in the buffer."
+ (interactive "p")
+ (ebrowse-ignoring-completion-case
+ (let* ((completion-list (ebrowse-name/accessor-alist-for-class-members))
+ (member (completing-read "Goto member: " completion-list nil t))
+ (accessor (cdr (assoc member completion-list))))
+ (unless accessor
+ (error "`%s' not found" member))
+ (unless (eq accessor ebrowse--accessor)
+ (setf ebrowse--accessor accessor
+ ebrowse--member-list (funcall accessor ebrowse--displayed-class))
+ (ebrowse-redisplay-member-buffer))
+ (ebrowse-move-point-to-member member))))
+
+
+(defun ebrowse-goto-visible-member (repeat)
+ "Position point on a member.
+Read the member's name from the minibuffer. Consider only members
+visible in the member buffer.
+REPEAT non-nil means repeat the search that number of times."
+ (interactive "p")
+ (ebrowse-ignoring-completion-case
+ ;; Read member name
+ (let* ((completion-list (ebrowse-name/accessor-alist-for-visible-members))
+ (member (completing-read "Goto member: " completion-list nil t)))
+ (ebrowse-move-point-to-member member repeat))))
+
+
+\f
+;;; Searching a member in the member buffer
+
+(defun ebrowse-repeat-member-search (repeat)
+ "Repeat the last regular expression search.
+REPEAT, if specified, says repeat the search REPEAT times."
+ (interactive "p")
+ (unless ebrowse--last-regexp
+ (error "No regular expression remembered"))
+ ;; Skip over word the point is on
+ (skip-chars-forward "^ \t\n")
+ ;; Search for regexp from point
+ (if (re-search-forward ebrowse--last-regexp nil t repeat)
+ (progn
+ (goto-char (match-beginning 0))
+ (skip-chars-forward " \t\n"))
+ ;; If not found above, repeat search from buffer start
+ (goto-char (point-min))
+ (if (re-search-forward ebrowse--last-regexp nil t)
+ (progn
+ (goto-char (match-beginning 0))
+ (skip-chars-forward " \t\n"))
+ (error "Not found"))))
+
+
+(defun* ebrowse-move-point-to-member (name &optional count &aux member)
+ "Set point on member NAME in the member buffer
+COUNT, if specified, says search the COUNT'th member with the same name."
+ (goto-char (point-min))
+ (widen)
+ (setq member
+ (substring name 0 (min (length name) (1- ebrowse--column-width)))
+ ebrowse--last-regexp
+ (concat "[ \t\n]" (regexp-quote member) "[ \n\t]"))
+ (if (re-search-forward ebrowse--last-regexp nil t count)
+ (goto-char (1+ (match-beginning 0)))
+ (error "Not found")))
+
+
+\f
+;;; Switching member buffer to another class.
+
+(defun ebrowse-switch-member-buffer-to-other-class (title compl-list)
+ "Switch member buffer to a class read from the minibuffer.
+Use TITLE as minibuffer prompt.
+COMPL-LIST is a completion list to use."
+ (let* ((initial (unless (second compl-list)
+ (first (first compl-list))))
+ (class (or (ebrowse-completing-read-value title compl-list initial)
+ (error "Not found"))))
+ (setf ebrowse--displayed-class class
+ ebrowse--member-list (funcall ebrowse--accessor ebrowse--displayed-class))
+ (ebrowse-redisplay-member-buffer)))
+
+
+(defun ebrowse-switch-member-buffer-to-any-class ()
+ "Switch member buffer to a class read from the minibuffer."
+ (interactive)
+ (ebrowse-switch-member-buffer-to-other-class
+ "Goto class: " (ebrowse-tree-obarray-as-alist)))
+
+
+(defun ebrowse-switch-member-buffer-to-base-class (arg)
+ "Switch buffer to ARG'th base class."
+ (interactive "P")
+ (let ((supers (or (ebrowse-direct-base-classes ebrowse--displayed-class)
+ (error "No base classes"))))
+ (if (and arg (second supers))
+ (let ((alist (loop for s in supers
+ collect (cons (ebrowse-qualified-class-name
+ (ebrowse-ts-class s))
+ s))))
+ (ebrowse-switch-member-buffer-to-other-class
+ "Goto base class: " alist))
+ (setq ebrowse--displayed-class (first supers)
+ ebrowse--member-list
+ (funcall ebrowse--accessor ebrowse--displayed-class))
+ (ebrowse-redisplay-member-buffer))))
+
+(defun ebrowse-switch-member-buffer-to-next-sibling-class (arg)
+ "Move to ARG'th next sibling."
+ (interactive "p")
+ (ebrowse-switch-member-buffer-to-sibling-class arg))
+
+
+(defun ebrowse-switch-member-buffer-to-previous-sibling-class (arg)
+ "Move to ARG'th previous sibling."
+ (interactive "p")
+ (ebrowse-switch-member-buffer-to-sibling-class (- arg)))
+
+
+(defun ebrowse-switch-member-buffer-to-sibling-class (inc)
+ "Switch member display to nth sibling class.
+Prefix arg INC specifies which one."
+ (interactive "p")
+ (let ((containing-list ebrowse--tree)
+ index cls
+ (supers (ebrowse-direct-base-classes ebrowse--displayed-class)))
+ (flet ((trees-alist (trees)
+ (loop for tr in trees
+ collect (cons (ebrowse-cs-name
+ (ebrowse-ts-class tr)) tr))))
+ (when supers
+ (let ((tree (if (second supers)
+ (ebrowse-completing-read-value
+ "Relative to base class: "
+ (trees-alist supers) nil)
+ (first supers))))
+ (unless tree (error "Not found"))
+ (setq containing-list (ebrowse-ts-subclasses tree)))))
+ (setq index (+ inc (ebrowse-position ebrowse--displayed-class
+ containing-list)))
+ (cond ((minusp index) (message "No previous class"))
+ ((null (nth index containing-list)) (message "No next class")))
+ (setq index (max 0 (min index (1- (length containing-list)))))
+ (setq cls (nth index containing-list))
+ (setf ebrowse--displayed-class cls
+ ebrowse--member-list (funcall ebrowse--accessor cls))
+ (ebrowse-redisplay-member-buffer)))
+
+
+(defun ebrowse-switch-member-buffer-to-derived-class (arg)
+ "Switch member display to nth derived class.
+Prefix arg ARG says which class should be displayed. Default is
+the first derived class."
+ (interactive "P")
+ (flet ((ebrowse-tree-obarray-as-alist ()
+ (loop for s in (ebrowse-ts-subclasses
+ ebrowse--displayed-class)
+ collect (cons (ebrowse-cs-name
+ (ebrowse-ts-class s)) s))))
+ (let ((subs (or (ebrowse-ts-subclasses ebrowse--displayed-class)
+ (error "No derived classes"))))
+ (if (and arg (second subs))
+ (ebrowse-switch-member-buffer-to-other-class
+ "Goto derived class: " (ebrowse-tree-obarray-as-alist))
+ (setq ebrowse--displayed-class (first subs)
+ ebrowse--member-list
+ (funcall ebrowse--accessor ebrowse--displayed-class))
+ (ebrowse-redisplay-member-buffer)))))
+
+
+\f
+;;; Member buffer mouse functions
+
+(defun ebrowse-displaying-functions ()
+ (eq ebrowse--accessor 'ebrowse-ts-member-functions))
+(defun ebrowse-displaying-variables ()
+ (eq ebrowse--accessor 'ebrowse-ts-member-variables))
+(defun ebrowse-displaying-static-functions ()
+ )
+(defun ebrowse-displaying-static-variables ()
+ )
+(defun ebrowse-displaying-types ()
+ (eq ebrowse--accessor 'ebrowse-ts-types))
+(defun ebrowse-displaying-friends ()
+ (eq ebrowse--accessor 'ebrowse-ts-friends))
+
+(easy-menu-define
+ ebrowse-member-buffer-object-menu ebrowse-member-mode-map
+ "Object menu for the member buffer itself."
+ '("Members"
+ ("Members List"
+ ["Functions" ebrowse-display-function-member-list
+ :help "Show the list of member functions"
+ :style radio
+ :selected (eq ebrowse--accessor 'ebrowse-ts-member-functions)
+ :active t]
+ ["Variables" ebrowse-display-variables-member-list
+ :help "Show the list of member variables"
+ :style radio
+ :selected (eq ebrowse--accessor 'ebrowse-ts-member-variables)
+ :active t]
+ ["Static Functions" ebrowse-display-static-functions-member-list
+ :help "Show the list of static member functions"
+ :style radio
+ :selected (eq ebrowse--accessor 'ebrowse-ts-static-functions)
+ :active t]
+ ["Static Variables" ebrowse-display-static-variables-member-list
+ :help "Show the list of static member variables"
+ :style radio
+ :selected (eq ebrowse--accessor 'ebrowse-ts-static-variables)
+ :active t]
+ ["Types" ebrowse-display-types-member-list
+ :help "Show the list of nested types"
+ :style radio
+ :selected (eq ebrowse--accessor 'ebrowse-ts-types)
+ :active t]
+ ["Friends/Defines" ebrowse-display-friends-member-list
+ :help "Show the list of friends or defines"
+ :style radio
+ :selected (eq ebrowse--accessor 'ebrowse-ts-friends)
+ :active t])
+ ("Class"
+ ["Up" ebrowse-switch-member-buffer-to-base-class
+ :help "Show the base class of this class"
+ :active t]
+ ["Down" ebrowse-switch-member-buffer-to-derived-class
+ :help "Show a derived class class of this class"
+ :active t]
+ ["Next Sibling" ebrowse-switch-member-buffer-to-next-sibling-class
+ :help "Show the next sibling class"
+ :active t]
+ ["Previous Sibling" ebrowse-switch-member-buffer-to-previous-sibling-class
+ :help "Show the previous sibling class"
+ :active t])
+ ("Member"
+ ["Show in Tree" ebrowse-show-displayed-class-in-tree
+ :help "Show this class in the class tree"
+ :active t]
+ ["Find in this Class" ebrowse-goto-visible-member
+ :help "Search for a member of this class"
+ :active t]
+ ["Find in Tree" ebrowse-goto-visible-member/all-member-lists
+ :help "Search for a member in any class"
+ :active t])
+ ("Display"
+ ["Inherited" ebrowse-toggle-base-class-display
+ :help "Toggle display of inherited members"
+ :style toggle
+ :selected ebrowse--show-inherited-flag
+ :active t]
+ ["Attributes" ebrowse-toggle-member-attributes-display
+ :help "Show member attributes"
+ :style toggle
+ :selected ebrowse--attributes-flag
+ :active t]
+ ["Long Display" ebrowse-toggle-long-short-display
+ :help "Toggle the member display format"
+ :style toggle
+ :selected ebrowse--long-display-flag
+ :active t]
+ ["Column Width" ebrowse-set-member-buffer-column-width
+ :help "Set the display's column width"
+ :active t])
+ ("Filter"
+ ["Public" ebrowse-toggle-public-member-filter
+ :help "Toggle the visibility of public members"
+ :style toggle
+ :selected (not (aref ebrowse--filters 0))
+ :active t]
+ ["Protected" ebrowse-toggle-protected-member-filter
+ :help "Toggle the visibility of protected members"
+ :style toggle
+ :selected (not (aref ebrowse--filters 1))
+ :active t]
+ ["Private" ebrowse-toggle-private-member-filter
+ :help "Toggle the visibility of private members"
+ :style toggle
+ :selected (not (aref ebrowse--filters 2))
+ :active t]
+ ["Virtual" ebrowse-toggle-virtual-member-filter
+ :help "Toggle the visibility of virtual members"
+ :style toggle
+ :selected ebrowse--virtual-display-flag
+ :active t]
+ ["Inline" ebrowse-toggle-inline-member-filter
+ :help "Toggle the visibility of inline members"
+ :style toggle
+ :selected ebrowse--inline-display-flag
+ :active t]
+ ["Const" ebrowse-toggle-const-member-filter
+ :help "Toggle the visibility of const members"
+ :style toggle
+ :selected ebrowse--const-display-flag
+ :active t]
+ ["Pure" ebrowse-toggle-pure-member-filter
+ :help "Toggle the visibility of pure virtual members"
+ :style toggle
+ :selected ebrowse--pure-display-flag
+ :active t]
+ "-----------------"
+ ["Show all" ebrowse-remove-all-member-filters
+ :help "Remove any display filters"
+ :active t])
+ ("Buffer"
+ ["Tree" ebrowse-pop-from-member-to-tree-buffer
+ :help "Pop to the class tree buffer"
+ :active t]
+ ["Next Member Buffer" ebrowse-switch-to-next-member-buffer
+ :help "Switch to the next member buffer of this class tree"
+ :active t]
+ ["Freeze" ebrowse-freeze-member-buffer
+ :help "Freeze (do not reuse) this member buffer"
+ :active t])))
+
+
+(defun ebrowse-on-class-name ()
+ "Value is non-nil if point is on a class name."
+ (eq (get-text-property (point) 'ebrowse-what) 'class-name))
+
+
+(defun ebrowse-on-member-name ()
+ "Value is non-nil if point is on a member name."
+ (eq (get-text-property (point) 'ebrowse-what) 'member-name))
+
+
+(easy-menu-define
+ ebrowse-member-class-name-object-menu ebrowse-member-mode-map
+ "Object menu for class names in member buffer."
+ '("Class"
+ ["Find" ebrowse-find-member-definition
+ :help "Find this class in the source files"
+ :active (eq (get-text-property (point) 'ebrowse-what) 'class-name)]
+ ["View" ebrowse-view-member-definition
+ :help "View this class in the source files"
+ :active (eq (get-text-property (point) 'ebrowse-what) 'class-name)]))
+
+
+(easy-menu-define
+ ebrowse-member-name-object-menu ebrowse-member-mode-map
+ "Object menu for member names"
+ '("Ebrowse"
+ ["Find Definition" ebrowse-find-member-definition
+ :help "Find this member's definition in the source files"
+ :active (ebrowse-on-member-name)]
+ ["Find Declaration" ebrowse-find-member-declaration
+ :help "Find this member's declaration in the source files"
+ :active (ebrowse-on-member-name)]
+ ["View Definition" ebrowse-view-member-definition
+ :help "View this member's definition in the source files"
+ :active (ebrowse-on-member-name)]
+ ["View Declaration" ebrowse-view-member-declaration
+ :help "View this member's declaration in the source files"
+ :active (ebrowse-on-member-name)]))
+
+
+(defun ebrowse-member-mouse-3 (event)
+ "Handle `mouse-3' events in member buffers.
+EVENT is the mouse event."
+ (interactive "e")
+ (mouse-set-point event)
+ (case (event-click-count event)
+ (2 (ebrowse-find-member-definition))
+ (1 (case (get-text-property (posn-point (event-start event))
+ 'ebrowse-what)
+ (member-name
+ (ebrowse-popup-menu ebrowse-member-name-object-menu event))
+ (class-name
+ (ebrowse-popup-menu ebrowse-member-class-name-object-menu event))
+ (t
+ (ebrowse-popup-menu ebrowse-member-buffer-object-menu event))))))
+
+
+(defun ebrowse-member-mouse-2 (event)
+ "Handle `mouse-2' events in member buffers.
+EVENT is the mouse event."
+ (interactive "e")
+ (mouse-set-point event)
+ (case (event-click-count event)
+ (2 (ebrowse-find-member-definition))
+ (1 (case (get-text-property (posn-point (event-start event))
+ 'ebrowse-what)
+ (member-name
+ (ebrowse-view-member-definition 0))))))
+
+
+\f
+;;; Tags view/find
+
+(defun ebrowse-class-alist-for-member (tree-header name)
+ "Return information about a member in a class tree.
+TREE-HEADER is the header structure of the class tree.
+NAME is the name of the member.
+Value is an alist of elements (CLASS-NAME . (CLASS LIST NAME)),
+where each element describes one occurrence of member NAME in the tree.
+CLASS-NAME is the qualified name of the class in which the
+member was found. The CDR of the acons is described in function
+`ebrowse-class/index/member-for-member'."
+ (let ((table (ebrowse-member-table tree-header))
+ known-classes
+ alist)
+ (when name
+ (dolist (info (gethash name table) alist)
+ (unless (memq (first info) known-classes)
+ (setf alist (acons (ebrowse-qualified-class-name
+ (ebrowse-ts-class (first info)))
+ info alist)
+ known-classes (cons (first info) known-classes)))))))
+
+
+(defun ebrowse-choose-tree ()
+ "Choose a class tree to use.
+If there's more than one class tree loaded, let the user choose
+the one he wants. Value is (TREE HEADER BUFFER), with TREE being
+the class tree, HEADER the header structure of the tree, and BUFFER
+being the tree or member buffer containing the tree."
+ (let* ((buffer (ebrowse-choose-from-browser-buffers)))
+ (if buffer (list (ebrowse-value-in-buffer 'ebrowse--tree buffer)
+ (ebrowse-value-in-buffer 'ebrowse--header buffer)
+ buffer))))
+
+
+(defun ebrowse-tags-read-name (header prompt)
+ "Read a C++ identifier from the minibuffer.
+HEADER is the `ebrowse-hs' structure of the class tree.
+Prompt with PROMPT. Insert into the minibuffer a C++ identifier read
+from point as default. Value is a list (CLASS-NAME MEMBER-NAME)."
+ (save-excursion
+ (let* (start member-info (members (ebrowse-member-table header)))
+ (multiple-value-bind (class-name member-name)
+ (ebrowse-tags-read-member+class-name)
+ (unless member-name
+ (error "No member name at point"))
+ (if members
+ (let* ((alist (ebrowse-hash-table-to-alist members))
+ (name (ebrowse-ignoring-completion-case
+ (completing-read prompt alist nil nil member-name)))
+ (completion-result (try-completion name alist)))
+ ;; Cannot rely on `try-completion' returning T for exact
+ ;; matches! it returns the the name as a string.
+ (unless (setq member-info (gethash name members))
+ (if (y-or-n-p "No exact match found. Try substrings? ")
+ (setq name
+ (or (first (ebrowse-list-of-matching-members
+ members (regexp-quote name) name))
+ (error "Sorry, nothing found")))
+ (error "Canceled")))
+ (list class-name name))
+ (list class-name (read-from-minibuffer prompt member-name)))))))
+
+
+(defun ebrowse-tags-read-member+class-name ()
+ "Read a C++ identifier from point.
+Value is (CLASS-NAME MEMBER-NAME).
+CLASS-NAME is the name of the class if the identifier was qualified.
+It is nil otherwise.
+MEMBER-NAME is the name of the member found."
+ (save-excursion
+ (skip-chars-backward "a-zA-Z0-9_")
+ (let* ((start (point))
+ (name (progn (skip-chars-forward "a-zA-Z0-9_")
+ (buffer-substring start (point))))
+ class)
+ (list class name))))
+
+
+(defun ebrowse-tags-choose-class (tree header name initial-class-name)
+ "Read a class name for a member from the minibuffer.
+TREE is the class tree we operate on.
+HEADER is its header structure.
+NAME is the name of the member.
+INITIAL-CLASS-NAME is an initial class name to insert in the minibuffer.
+Value is a list (TREE ACCESSOR MEMBER) for the member."
+ (let ((alist (or (ebrowse-class-alist-for-member header name)
+ (error "No classes with member `%s' found" name))))
+ (ebrowse-ignoring-completion-case
+ (if (null (second alist))
+ (cdr (first alist))
+ (push ?\? unread-command-events)
+ (cdr (assoc (completing-read "In class: "
+ alist nil t initial-class-name)
+ alist))))))
+
+
+(defun* ebrowse-tags-view/find-member-decl/defn
+ (prefix &key view definition member-name)
+ "If VIEW is t, view, else find an occurrence of MEMBER-NAME.
+
+If DEFINITION is t, find or view the member definition else its
+declaration. This function reads the member's name from the
+current buffer like FIND-TAG. It then prepares a completion list
+of all classes containing a member with the given name and lets
+the user choose the class to use. As a last step, a tags search
+is performed that positions point on the member declaration or
+definition."
+ (multiple-value-bind
+ (tree header tree-buffer) (ebrowse-choose-tree)
+ (unless tree (error "No class tree"))
+ (let* ((marker (point-marker))
+ class-name
+ (name member-name)
+ info)
+ (unless name
+ (multiple-value-setq (class-name name)
+ (ebrowse-tags-read-name
+ header
+ (concat (if view "View" "Find") " member "
+ (if definition "definition" "declaration") ": "))))
+ (setq info (ebrowse-tags-choose-class tree header name class-name))
+ (ebrowse-push-position marker info)
+ ;; Goto the occurrence of the member
+ (ebrowse-view/find-member-declaration/definition
+ prefix view definition info
+ header
+ (ebrowse-value-in-buffer 'ebrowse--tags-file-name tree-buffer))
+ ;; Record position jumped to
+ (ebrowse-push-position (point-marker) info t))))
+
+
+;;###autoload
+(defun ebrowse-tags-view-declaration ()
+ "View declaration of member at point."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 0 :view t :definition nil))
+
+
+;;###autoload
+(defun ebrowse-tags-find-declaration ()
+ "Find declaration of member at point."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 0 :view nil :definition nil))
+
+
+;;###autoload
+(defun ebrowse-tags-view-definition ()
+ "View definition of member at point."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 0 :view t :definition t))
+
+
+;;###autoload
+(defun ebrowse-tags-find-definition ()
+ "Find definition of member at point."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 0 :view nil :definition t))
+
+
+(defun ebrowse-tags-view-declaration-other-window ()
+ "View declaration of member at point in other window."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 4 :view t :definition nil))
+
+
+;;###autoload
+(defun ebrowse-tags-find-declaration-other-window ()
+ "Find declaration of member at point in other window."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 4 :view nil :definition nil))
+
+
+;;###autoload
+(defun ebrowse-tags-view-definition-other-window ()
+ "View definition of member at point in other window."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 4 :view t :definition t))
+
+
+;;###autoload
+(defun ebrowse-tags-find-definition-other-window ()
+ "Find definition of member at point in other window."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 4 :view nil :definition t))
+
+
+(defun ebrowse-tags-view-declaration-other-frame ()
+ "View definition of member at point in other frame."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 5 :view t :definition nil))
+
+
+;;###autoload
+(defun ebrowse-tags-find-declaration-other-frame ()
+ "Find definition of member at point in other frame."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 5 :view nil :definition nil))
+
+
+;;###autoload
+(defun ebrowse-tags-view-definition-other-frame ()
+ "View definition of member at point in other frame."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 5 :view t :definition t))
+
+
+;;###autoload
+(defun ebrowse-tags-find-definition-other-frame ()
+ "Find definition of member at point in other frame."
+ (interactive)
+ (ebrowse-tags-view/find-member-decl/defn 5 :view nil :definition t))
+
+
+(defun ebrowse-tags-select/create-member-buffer (tree-buffer info)
+ "Select or create member buffer.
+TREE-BUFFER specifies the tree to use. INFO describes the member.
+It is a list (TREE ACCESSOR MEMBER)."
+ (let ((buffer (get-buffer ebrowse-member-buffer-name)))
+ (cond ((null buffer)
+ (set-buffer tree-buffer)
+ (switch-to-buffer (ebrowse-display-member-buffer
+ (second info) nil (first info))))
+ (t
+ (switch-to-buffer buffer)
+ (setq ebrowse--displayed-class (first info)
+ ebrowse--accessor (second info)
+ ebrowse--member-list (funcall ebrowse--accessor ebrowse--displayed-class))
+ (ebrowse-redisplay-member-buffer)))
+ (ebrowse-move-point-to-member (ebrowse-ms-name (third info)))))
+
+
+(defun ebrowse-tags-display-member-buffer (&optional fix-name)
+ "Display a member buffer for a member.
+FIX-NAME non-nil means display the buffer for that member.
+Otherwise read a member name from point."
+ (interactive)
+ (multiple-value-bind
+ (tree header tree-buffer) (ebrowse-choose-tree)
+ (unless tree (error "No class tree"))
+ (let* ((marker (point-marker)) class-name (name fix-name) info)
+ (unless name
+ (multiple-value-setq (class-name name)
+ (ebrowse-tags-read-name header
+ (concat "Find member list of: "))))
+ (setq info (ebrowse-tags-choose-class tree header name class-name))
+ (ebrowse-push-position marker info)
+ (ebrowse-tags-select/create-member-buffer tree-buffer info))))
+
+
+(defun ebrowse-list-of-matching-members (members regexp &optional name)
+ "Return a list of members in table MEMBERS matching REGEXP or NAME.
+Both NAME and REGEXP may be nil in which case exact or regexp matches
+are not performed."
+ (let (list)
+ (when (or name regexp)
+ (maphash #'(lambda (member-name info)
+ (when (or (and name (string= name member-name))
+ (and regexp (string-match regexp member-name)))
+ (setq list (cons member-name list))))
+ members))
+ list))
+
+
+(defun ebrowse-tags-apropos ()
+ "Display a list of members matching a regexp read from the minibuffer."
+ (interactive)
+ (let* ((buffer (or (ebrowse-choose-from-browser-buffers)
+ (error "No tree buffer")))
+ (header (ebrowse-value-in-buffer 'ebrowse--header buffer))
+ (members (ebrowse-member-table header))
+ temp-buffer-setup-hook
+ (regexp (read-from-minibuffer "List members matching regexp: ")))
+ (with-output-to-temp-buffer (concat "*Apropos Members*")
+ (set-buffer standard-output)
+ (erase-buffer)
+ (insert "Members matching `" regexp "'\n\n")
+ (loop for s in (ebrowse-list-of-matching-members members regexp) do
+ (loop for info in (gethash s members) do
+ (ebrowse-draw-file-member-info info))))))
+
+
+(defun ebrowse-tags-list-members-in-file ()
+ "Display a list of members found in a file.
+The file name is read from the minibuffer."
+ (interactive)
+ (let* ((buffer (or (ebrowse-choose-from-browser-buffers)
+ (error "No tree buffer")))
+ (files (save-excursion (set-buffer buffer) (ebrowse-files-table)))
+ (alist (ebrowse-hash-table-to-alist files))
+ (file (completing-read "List members in file: " alist nil t))
+ (header (ebrowse-value-in-buffer 'ebrowse--header buffer))
+ temp-buffer-setup-hook
+ (members (ebrowse-member-table header)))
+ (with-output-to-temp-buffer (concat "*Members in file " file "*")
+ (set-buffer standard-output)
+ (maphash
+ #'(lambda (member-name list)
+ (loop for info in list
+ as member = (third info)
+ as class = (ebrowse-ts-class (first info))
+ when (or (and (null (ebrowse-ms-file member))
+ (string= (ebrowse-cs-file class) file))
+ (string= file (ebrowse-ms-file member)))
+ do (ebrowse-draw-file-member-info info "decl.")
+ when (or (and (null (ebrowse-ms-definition-file member))
+ (string= (ebrowse-cs-source-file class) file))
+ (string= file (ebrowse-ms-definition-file member)))
+ do (ebrowse-draw-file-member-info info "defn.")))
+ members))))
+
+
+(defun* ebrowse-draw-file-member-info (info &optional (kind ""))
+ "Display a line in an the members per file info buffer.
+INFO describes the member. It has the form (TREE ACCESSOR MEMBER).
+TREE is the class of the member to display.
+ACCESSOR is the accessor symbol of its member list.
+MEMBER is the member structure.
+KIND is a an additional string printed in the buffer."
+ (let* ((tree (first info))
+ (globals-p (ebrowse-globals-tree-p tree)))
+ (unless globals-p
+ (insert (ebrowse-cs-name (ebrowse-ts-class tree))))
+ (insert "::" (ebrowse-ms-name (third info)))
+ (indent-to 40)
+ (insert kind)
+ (indent-to 50)
+ (insert (case (second info)
+ ('ebrowse-ts-member-functions "member function")
+ ('ebrowse-ts-member-variables "member variable")
+ ('ebrowse-ts-static-functions "static function")
+ ('ebrowse-ts-static-variables "static variable")
+ ('ebrowse-ts-friends (if globals-p "define" "friend"))
+ ('ebrowse-ts-types "type")
+ (t "unknown"))
+ "\n")))
+
+(defvar ebrowse-last-completion nil
+ "Text inserted by the last completion operation.")
+
+
+(defvar ebrowse-last-completion-start nil
+ "String which was the basis for the last completion operation.")
+
+
+(defvar ebrowse-last-completion-location nil
+ "Buffer position at which the last completion operation was initiated.")
+
+
+(defvar ebrowse-last-completion-obarray nil
+ "Member used in last completion operation.")
+
+
+(make-variable-buffer-local 'ebrowse-last-completion-obarray)
+(make-variable-buffer-local 'ebrowse-last-completion-location)
+(make-variable-buffer-local 'ebrowse-last-completion)
+(make-variable-buffer-local 'ebrowse-last-completion-start)
+
+
+\f
+(defun ebrowse-some-member-table ()
+ "Return a hash table containing all member of a tree.
+If there's only one tree loaded, use that. Otherwise let the
+use choose a tree."
+ (let* ((buffers (ebrowse-known-class-trees-buffer-list))
+ (buffer (cond ((and (first buffers) (not (second buffers)))
+ (first buffers))
+ (t (or (ebrowse-electric-choose-tree)
+ (error "No tree buffer")))))
+ (header (ebrowse-value-in-buffer 'ebrowse--header buffer)))
+ (ebrowse-member-table header)))
+
+
+(defun ebrowse-hash-table-to-alist (table)
+ "Return an alist holding all key/value pairs of hash table TABLE."
+ (let ((list))
+ (maphash #'(lambda (key value)
+ (setq list (cons (cons key value) list)))
+ table)
+ list))
+
+
+(defun ebrowse-cyclic-successor-in-string-list (string list)
+ "Return the item following STRING in LIST.
+If STRING is the last element, return the first element as successor."
+ (or (nth (1+ (ebrowse-position string list 'string=)) list)
+ (first list)))
+
+\f
+;;; Symbol completion
+
+;;;###autoload
+(defun* ebrowse-tags-complete-symbol (prefix)
+ "Perform completion on the C++ symbol preceding point.
+A second call of this function without changing point inserts the next match.
+A call with prefix PREFIX reads the symbol to insert from the minibuffer with
+completion."
+ (interactive "P")
+ (let* ((end (point))
+ (begin (save-excursion (skip-chars-backward "a-zA-Z_0-9") (point)))
+ (pattern (buffer-substring begin end))
+ list completion)
+ (cond
+ ;; With prefix, read name from minibuffer with completion.
+ (prefix
+ (let* ((members (ebrowse-some-member-table))
+ (alist (ebrowse-hash-table-to-alist members))
+ (completion (completing-read "Insert member: "
+ alist nil t pattern)))
+ (when completion
+ (setf ebrowse-last-completion-location nil)
+ (delete-region begin end)
+ (insert completion))))
+ ;; If this function is called at the same point the last
+ ;; expansion ended, insert the next expansion.
+ ((eq (point) ebrowse-last-completion-location)
+ (setf list (all-completions ebrowse-last-completion-start
+ ebrowse-last-completion-obarray)
+ completion (ebrowse-cyclic-successor-in-string-list
+ ebrowse-last-completion list))
+ (cond ((null completion)
+ (error "No completion"))
+ ((string= completion pattern)
+ (error "No further completion"))
+ (t
+ (delete-region begin end)
+ (insert completion)
+ (setf ebrowse-last-completion completion
+ ebrowse-last-completion-location (point)))))
+ ;; First time the function is called at some position in the
+ ;; buffer: Start new completion.
+ (t
+ (let* ((members (ebrowse-some-member-table))
+ (completion (first (all-completions pattern members nil))))
+ (cond ((eq completion t))
+ ((null completion)
+ (error "Can't find completion for `%s'" pattern))
+ (t
+ (delete-region begin end)
+ (insert completion)
+
+ (setf ebrowse-last-completion-location (point)
+ ebrowse-last-completion-start pattern
+ ebrowse-last-completion completion
+ ebrowse-last-completion-obarray members))))))))
+
+\f
+;;; Tags query replace & search
+
+(defvar ebrowse-tags-loop-form ()
+ "Form for `ebrowse-loop-continue'.
+Evaluated for each file in the tree. If it returns nil, proceed
+with the next file.")
+
+(defvar ebrowse-tags-next-file-list ()
+ "A list of files to be processed.")
+
+
+(defvar ebrowse-tags-next-file-path nil
+ "The path relative to which files have to be searched.")
+
+
+(defvar ebrowse-tags-loop-last-file nil
+ "The last file visited via `ebrowse-tags-loop'.")
+
+
+(defun ebrowse-tags-next-file (&optional initialize tree-buffer)
+ "Select next file among files in current tag table.
+Non-nil argument INITIALIZE (prefix arg, if interactive) initializes
+to the beginning of the list of files in the tag table.
+TREE-BUFFER specifies the class tree we operate on."
+ (interactive "P")
+ ;; Call with INITIALIZE non-nil initializes the files list.
+ ;; If more than one tree buffer is loaded, let the user choose
+ ;; on which tree (s)he wants to operate.
+ (when initialize
+ (let ((buffer (or tree-buffer (ebrowse-choose-from-browser-buffers))))
+ (save-excursion
+ (set-buffer buffer)
+ (setq ebrowse-tags-next-file-list
+ (ebrowse-files-list (ebrowse-marked-classes-p))
+ ebrowse-tags-loop-last-file
+ nil
+ ebrowse-tags-next-file-path
+ (file-name-directory ebrowse--tags-file-name)))))
+ ;; End of the loop if the stack of files is empty.
+ (unless ebrowse-tags-next-file-list
+ (error "All files processed"))
+ ;; ebrowse-tags-loop-last-file is the last file that was visited due
+ ;; to a call to BROWSE-LOOP (see below). If that file is still
+ ;; in memory, and it wasn't modified, throw its buffer away to
+ ;; prevent cluttering up the buffer list.
+ (when ebrowse-tags-loop-last-file
+ (let ((buffer (get-file-buffer ebrowse-tags-loop-last-file)))
+ (when (and buffer
+ (not (buffer-modified-p buffer)))
+ (kill-buffer buffer))))
+ ;; Remember this buffer file name for later deletion, if it
+ ;; wasn't visited by other means.
+ (let ((file (expand-file-name (car ebrowse-tags-next-file-list)
+ ebrowse-tags-next-file-path)))
+ (setq ebrowse-tags-loop-last-file (if (get-file-buffer file) nil file))
+ ;; Find the file and pop the file list. Pop has to be done
+ ;; before the file is loaded because FIND-FILE might encounter
+ ;; an error, and we want to be able to proceed with the next
+ ;; file in this case.
+ (pop ebrowse-tags-next-file-list)
+ (find-file file)))
+
+
+;;;###autoload
+(defun ebrowse-tags-loop-continue (&optional first-time tree-buffer)
+ "Repeat last operation on files in tree.
+FIRST-TIME non-nil means this is not a repetition, but the first time.
+TREE-BUFFER if indirectly specifies which files to loop over."
+ (interactive)
+ (when first-time
+ (ebrowse-tags-next-file first-time tree-buffer)
+ (goto-char (point-min)))
+ (while (not (eval ebrowse-tags-loop-form))
+ (ebrowse-tags-next-file)
+ (message "Scanning file `%s'..." buffer-file-name)
+ (goto-char (point-min))))
+
+
+;;###autoload
+(defun ebrowse-tags-search (regexp)
+ "Search for REGEXP in all files in a tree.
+If marked classes exist, process marked classes, only.
+If regular expression is nil, repeat last search."
+ (interactive "sTree search (regexp): ")
+ (if (and (string= regexp "")
+ (eq (car ebrowse-tags-loop-form) 're-search-forward))
+ (ebrowse-tags-loop-continue)
+ (setq ebrowse-tags-loop-form (list 're-search-forward regexp nil t))
+ (ebrowse-tags-loop-continue 'first-time)))
+
+
+;;;###autoload
+(defun ebrowse-tags-query-replace (from to)
+ "Query replace FROM with TO in all files of a class tree.
+With prefix arg, process files of marked classes only."
+ (interactive
+ "sTree query replace (regexp): \nsTree query replace %s by: ")
+ (setq ebrowse-tags-loop-form
+ (list 'and (list 'save-excursion
+ (list 're-search-forward from nil t))
+ (list 'not (list 'perform-replace from to t t nil))))
+ (ebrowse-tags-loop-continue 'first-time))
+
+
+;;; ###autoload
+(defun ebrowse-tags-search-member-use (&optional fix-name)
+ "Search for call sites of a member.
+If FIX-NAME is specified, search uses of that member.
+Otherwise, read a member name from the minibuffer.
+Searches in all files mentioned in a class tree for something that
+looks like a function call to the member."
+ (interactive)
+ ;; Choose the tree to use if there is more than one.
+ (multiple-value-bind (tree header tree-buffer)
+ (ebrowse-choose-tree)
+ (unless tree
+ (error "No class tree"))
+ ;; Get the member name NAME (class-name is ignored).
+ (let ((name fix-name) class-name regexp)
+ (unless name
+ (multiple-value-setq (class-name name)
+ (ebrowse-tags-read-name header "Find calls of: ")))
+ ;; Set tags loop form to search for member and begin loop.
+ (setq regexp (concat "\\<" name "[ \t]*(")
+ ebrowse-tags-loop-form (list 're-search-forward regexp nil t))
+ (ebrowse-tags-loop-continue 'first-time tree-buffer))))
+
+
+\f
+;;; Tags position management
+
+;;; Structures of this kind are the elements of the position stack.
+
+(defstruct (ebrowse-position (:type vector) :named)
+ file-name ; in which file
+ point ; point in file
+ target ; t if target of a jump
+ info) ; (CLASS FUNC MEMBER) jumped to
+
+
+(defvar ebrowse-position-stack ()
+ "Stack of `ebrowse-position' structured.")
+
+
+(defvar ebrowse-position-index 0
+ "Current position in position stack.")
+
+
+(defun ebrowse-position-name (position)
+ "Return an identifying string for POSITION.
+The string is printed in the electric position list buffer."
+ (let ((info (ebrowse-position-info position)))
+ (concat (if (ebrowse-position-target position) "at " "to ")
+ (ebrowse-cs-name (ebrowse-ts-class (first info)))
+ "::" (ebrowse-ms-name (third info)))))
+
+
+(defun ebrowse-view/find-position (position &optional view)
+ "Position point on POSITION.
+If VIEW is non-nil, view the position, otherwise find it."
+ (cond ((not view)
+ (find-file (ebrowse-position-file-name position))
+ (goto-char (ebrowse-position-point position)))
+ (t
+ (unwind-protect
+ (progn
+ (push (function
+ (lambda ()
+ (goto-char (ebrowse-position-point position))))
+ view-mode-hook)
+ (view-file (ebrowse-position-file-name position)))
+ (pop view-mode-hook)))))
+
+
+(defun ebrowse-push-position (marker info &optional target)
+ "Push current position on position stack.
+MARKER is the marker to remember as position.
+INFO is a list (CLASS FUNC MEMBER) specifying what we jumped to.
+TARGET non-nil means we performed a jump.
+Positions in buffers that have no file names are not saved."
+ (when (buffer-file-name (marker-buffer marker))
+ (let ((too-much (- (length ebrowse-position-stack)
+ ebrowse-max-positions)))
+ ;; Do not let the stack grow to infinity.
+ (when (plusp too-much)
+ (setq ebrowse-position-stack
+ (butlast ebrowse-position-stack too-much)))
+ ;; Push the position.
+ (push (make-ebrowse-position
+ :file-name (buffer-file-name (marker-buffer marker))
+ :point (marker-position marker)
+ :target target
+ :info info)
+ ebrowse-position-stack))))
+
+
+(defun ebrowse-move-in-position-stack (increment)
+ "Move by INCREMENT in the position stack."
+ (let ((length (length ebrowse-position-stack)))
+ (when (zerop length)
+ (error "No positions remembered"))
+ (setq ebrowse-position-index
+ (mod (+ increment ebrowse-position-index) length))
+ (message "Position %d of %d " ebrowse-position-index length)
+ (ebrowse-view/find-position (nth ebrowse-position-index
+ ebrowse-position-stack))))
+
+
+;;; ###autoload
+(defun ebrowse-back-in-position-stack (arg)
+ "Move backward in the position stack.
+Prefix arg ARG says how much."
+ (interactive "p")
+ (ebrowse-move-in-position-stack (max 1 arg)))
+
+
+;;; ###autoload
+(defun ebrowse-forward-in-position-stack (arg)
+ "Move forward in the position stack.
+Prefix arg ARG says how much."
+ (interactive "p")
+ (ebrowse-move-in-position-stack (min -1 (- arg))))
+
+
+\f
+;;; Electric position list
+
+(defvar ebrowse-electric-position-mode-map ()
+ "Keymap used in electric position stack window.")
+
+
+(defvar ebrowse-electric-position-mode-hook nil
+ "If non-nil, its value is called by ebrowse-electric-position-mode.")
+
+
+(unless ebrowse-electric-position-mode-map
+ (let ((map (make-keymap))
+ (submap (make-keymap)))
+ (setq ebrowse-electric-position-mode-map map)
+ (fillarray (car (cdr map)) 'ebrowse-electric-position-undefined)
+ (fillarray (car (cdr submap)) 'ebrowse-electric-position-undefined)
+ (define-key map "\e" submap)
+ (define-key map "\C-z" 'suspend-emacs)
+ (define-key map "\C-h" 'Helper-help)
+ (define-key map "?" 'Helper-describe-bindings)
+ (define-key map "\C-c" nil)
+ (define-key map "\C-c\C-c" 'ebrowse-electric-position-quit)
+ (define-key map "q" 'ebrowse-electric-position-quit)
+ (define-key map " " 'ebrowse-electric-select-position)
+ (define-key map "\C-l" 'recenter)
+ (define-key map "\C-u" 'universal-argument)
+ (define-key map "\C-p" 'previous-line)
+ (define-key map "\C-n" 'next-line)
+ (define-key map "p" 'previous-line)
+ (define-key map "n" 'next-line)
+ (define-key map "v" 'ebrowse-electric-view-position)
+ (define-key map "\C-v" 'scroll-up)
+ (define-key map "\ev" 'scroll-down)
+ (define-key map "\e\C-v" 'scroll-other-window)
+ (define-key map "\e>" 'end-of-buffer)
+ (define-key map "\e<" 'beginning-of-buffer)
+ (define-key map "\e>" 'end-of-buffer)))
+
+(put 'ebrowse-electric-position-mode 'mode-class 'special)
+(put 'ebrowse-electric-position-undefined 'suppress-keymap t)
+
+
+(defun ebrowse-electric-position-mode ()
+ "Mode for electric position buffers.
+Runs the hook `ebrowse-electric-position-mode-hook'."
+ (kill-all-local-variables)
+ (use-local-map ebrowse-electric-position-mode-map)
+ (setq mode-name "Electric Position Menu"
+ mode-line-buffer-identification "Electric Position Menu")
+ (when (memq 'mode-name mode-line-format)
+ (setq mode-line-format (copy-sequence mode-line-format))
+ (setcar (memq 'mode-name mode-line-format) "Positions"))
+ (make-local-variable 'Helper-return-blurb)
+ (setq Helper-return-blurb "return to buffer editing"
+ truncate-lines t
+ buffer-read-only t
+ major-mode 'ebrowse-electric-position-mode)
+ (run-hooks 'ebrowse-electric-position-mode-hook))
+
+
+(defun ebrowse-draw-position-buffer ()
+ "Display positions in buffer *Positions*."
+ (set-buffer (get-buffer-create "*Positions*"))
+ (setq buffer-read-only nil)
+ (erase-buffer)
+ (insert "File Point Description\n"
+ "---- ----- -----------\n")
+ (dolist (position ebrowse-position-stack)
+ (insert (file-name-nondirectory (ebrowse-position-file-name position)))
+ (indent-to 15)
+ (insert (int-to-string (ebrowse-position-point position)))
+ (indent-to 22)
+ (insert (ebrowse-position-name position) "\n"))
+ (setq buffer-read-only t))
+
+
+;;; ###autoload
+(defun ebrowse-electric-position-menu ()
+ "List positions in the position stack in an electric buffer."
+ (interactive)
+ (unless ebrowse-position-stack
+ (error "No positions remembered"))
+ (let (select buffer window)
+ (save-window-excursion
+ (save-window-excursion (ebrowse-draw-position-buffer))
+ (setq window (Electric-pop-up-window "*Positions*")
+ buffer (window-buffer window))
+ (shrink-window-if-larger-than-buffer window)
+ (unwind-protect
+ (progn
+ (set-buffer buffer)
+ (ebrowse-electric-position-mode)
+ (setq select
+ (catch 'ebrowse-electric-select-position
+ (message "<<< Press Space to bury the list >>>")
+ (let ((first (progn (goto-char (point-min))
+ (forward-line 2)
+ (point)))
+ (last (progn (goto-char (point-max))
+ (forward-line -1)
+ (point)))
+ (goal-column 0))
+ (goto-char first)
+ (Electric-command-loop 'ebrowse-electric-select-position
+ nil t
+ 'ebrowse-electric-position-looper
+ (cons first last))))))
+ (set-buffer buffer)
+ (bury-buffer buffer)
+ (message nil)))
+ (when select
+ (set-buffer buffer)
+ (ebrowse-electric-find-position select))
+ (kill-buffer buffer)))
+
+
+(defun ebrowse-electric-position-looper (state condition)
+ "Prevent moving point on invalid lines.
+Called from `Electric-command-loop'. See there for the meaning
+of STATE and CONDITION."
+ (cond ((and condition
+ (not (memq (car condition) '(buffer-read-only
+ end-of-buffer
+ beginning-of-buffer))))
+ (signal (car condition) (cdr condition)))
+ ((< (point) (car state))
+ (goto-char (point-min))
+ (forward-line 2))
+ ((> (point) (cdr state))
+ (goto-char (point-max))
+ (forward-line -1)
+ (if (pos-visible-in-window-p (point-max))
+ (recenter -1)))))
+
+
+(defun ebrowse-electric-position-undefined ()
+ "Function called for undefined keys."
+ (interactive)
+ (message "Type C-h for help, ? for commands, q to quit, Space to execute")
+ (sit-for 4))
+
+
+(defun ebrowse-electric-position-quit ()
+ "Leave the electric position list."
+ (interactive)
+ (throw 'ebrowse-electric-select-position nil))
+
+
+(defun ebrowse-electric-select-position ()
+ "Select a position from the list."
+ (interactive)
+ (throw 'ebrowse-electric-select-position (point)))
+
+
+(defun ebrowse-electric-find-position (point &optional view)
+ "View/find what is described by the line at POINT.
+If VIEW is non-nil, view else find source files."
+ (let ((index (- (count-lines (point-min) point) 2)))
+ (ebrowse-view/find-position (nth index
+ ebrowse-position-stack) view)))
+
+
+(defun ebrowse-electric-view-position ()
+ "View the position described by the line point is in."
+ (interactive)
+ (ebrowse-electric-find-position (point) t))
+
+
+\f
+;;; Saving trees to disk
+
+(defun ebrowse-write-file-hook-fn ()
+ "Write current buffer as a class tree.
+Installed on `local-write-file-hooks'."
+ (ebrowse-save-tree)
+ t)
+
+
+;;; ###autoload
+(defun ebrowse-save-tree ()
+ "Save current tree in same file it was loaded from."
+ (interactive)
+ (ebrowse-save-tree-as (or buffer-file-name ebrowse--tags-file-name)))
+
+
+;;;###autoload
+(defun ebrowse-save-tree-as (&optional file-name)
+ "Write the current tree data structure to a file.
+Read the file name from the minibuffer if interactive.
+Otherwise, FILE-NAME specifies the file to save the tree in."
+ (interactive "FSave tree as: ")
+ (let ((temp-buffer (get-buffer-create "*Tree Output"))
+ (old-standard-output standard-output)
+ (header (copy-ebrowse-hs ebrowse--header))
+ (tree ebrowse--tree))
+ (unwind-protect
+ (save-excursion
+ (set-buffer (setq standard-output temp-buffer))
+ (erase-buffer)
+ (setf (ebrowse-hs-member-table header) nil)
+ (insert (prin1-to-string header) " ")
+ (mapcar 'ebrowse-save-class tree)
+ (write-file file-name)
+ (message "Tree written to file `%s'" file-name))
+ (kill-buffer temp-buffer)
+ (set-buffer-modified-p nil)
+ (ebrowse-update-tree-buffer-mode-line)
+ (setq standard-output old-standard-output))))
+
+
+(defun ebrowse-save-class (class)
+ "Write single class CLASS to current buffer."
+ (message "%s..." (ebrowse-cs-name (ebrowse-ts-class class)))
+ (insert "[ebrowse-ts ")
+ (prin1 (ebrowse-ts-class class)) ;class name
+ (insert "(") ;list of subclasses
+ (mapcar 'ebrowse-save-class (ebrowse-ts-subclasses class))
+ (insert ")")
+ (dolist (func ebrowse-member-list-accessors)
+ (prin1 (funcall func class))
+ (insert "\n"))
+ (insert "()") ;base-classes slot
+ (prin1 (ebrowse-ts-mark class))
+ (insert "]\n"))
+
+
+\f
+;;; Statistics
+
+;;; ###autoload
+(defun ebrowse-statistics ()
+ "Display statistics for a class tree."
+ (interactive)
+ (let ((tree-file (buffer-file-name))
+ temp-buffer-setup-hook)
+ (with-output-to-temp-buffer "*Tree Statistics*"
+ (multiple-value-bind (classes member-functions member-variables
+ static-functions static-variables)
+ (ebrowse-gather-statistics)
+ (set-buffer standard-output)
+ (erase-buffer)
+ (insert "STATISTICS FOR TREE " (or tree-file "unknown") ":\n\n")
+ (ebrowse-print-statistics-line "Number of classes:" classes)
+ (ebrowse-print-statistics-line "Number of member functions:"
+ member-functions)
+ (ebrowse-print-statistics-line "Number of member variables:"
+ member-variables)
+ (ebrowse-print-statistics-line "Number of static functions:"
+ static-functions)
+ (ebrowse-print-statistics-line "Number of static variables:"
+ static-variables)))))
+
+
+(defun ebrowse-print-statistics-line (title value)
+ "Print a line in the statistics buffer.
+TITLE is the title of the line, VALUE is number to be printed
+after that."
+ (insert title)
+ (indent-to 40)
+ (insert (format "%d\n" value)))
+
+
+(defun ebrowse-gather-statistics ()
+ "Return statistics for a class tree.
+The result is a list (NUMBER-OF-CLASSES NUMBER-OF-MEMBER-FUNCTIONS
+NUMBER-OF-INSTANCE-VARIABLES NUMBER-OF-STATIC-FUNCTIONS
+NUMBER-OF-STATIC-VARIABLES:"
+ (let ((classes 0) (member-functions 0) (member-variables 0)
+ (static-functions 0) (static-variables 0))
+ (ebrowse-for-all-trees (tree ebrowse--tree-obarray)
+ (incf classes)
+ (incf member-functions (length (ebrowse-ts-member-functions tree)))
+ (incf member-variables (length (ebrowse-ts-member-variables tree)))
+ (incf static-functions (length (ebrowse-ts-static-functions tree)))
+ (incf static-variables (length (ebrowse-ts-static-variables tree))))
+ (list classes member-functions member-variables
+ static-functions static-variables)))
+
+
+\f
+;;; Global key bindings
+
+;;; The following can be used to bind key sequences starting with
+;;; prefix `\C-cb' to browse commands.
+
+(defvar ebrowse-global-map nil
+ "*Keymap for Ebrowse commands.")
+
+
+(defvar ebrowse-global-prefix-key "\C-cb"
+ "Prefix key for Ebrowse commands.")
+
+
+(defvar ebrowse-global-submap-4 nil
+ "Keymap used for `ebrowse-global-prefix' followed by `4'.")
+
+
+(defvar ebrowse-global-submap-5 nil
+ "Keymap used for `ebrowse-global-prefix' followed by `5'.")
+
+
+(unless ebrowse-global-map
+ (setq ebrowse-global-map (make-sparse-keymap))
+ (setq ebrowse-global-submap-4 (make-sparse-keymap))
+ (setq ebrowse-global-submap-5 (make-sparse-keymap))
+ (define-key ebrowse-global-map "a" 'ebrowse-tags-apropos)
+ (define-key ebrowse-global-map "b" 'ebrowse-pop-to-browser-buffer)
+ (define-key ebrowse-global-map "-" 'ebrowse-back-in-position-stack)
+ (define-key ebrowse-global-map "+" 'ebrowse-forward-in-position-stack)
+ (define-key ebrowse-global-map "l" 'ebrowse-tags-list-members-in-file)
+ (define-key ebrowse-global-map "m" 'ebrowse-tags-display-member-buffer)
+ (define-key ebrowse-global-map "n" 'ebrowse-tags-next-file)
+ (define-key ebrowse-global-map "p" 'ebrowse-electric-position-menu)
+ (define-key ebrowse-global-map "s" 'ebrowse-tags-search)
+ (define-key ebrowse-global-map "u" 'ebrowse-tags-search-member-use)
+ (define-key ebrowse-global-map "v" 'ebrowse-tags-view-definition)
+ (define-key ebrowse-global-map "V" 'ebrowse-tags-view-declaration)
+ (define-key ebrowse-global-map "%" 'ebrowse-tags-query-replace)
+ (define-key ebrowse-global-map "." 'ebrowse-tags-find-definition)
+ (define-key ebrowse-global-map "f" 'ebrowse-tags-find-definition)
+ (define-key ebrowse-global-map "F" 'ebrowse-tags-find-declaration)
+ (define-key ebrowse-global-map "," 'ebrowse-tags-loop-continue)
+ (define-key ebrowse-global-map " " 'ebrowse-electric-buffer-list)
+ (define-key ebrowse-global-map "\t" 'ebrowse-tags-complete-symbol)
+ (define-key ebrowse-global-map "4" ebrowse-global-submap-4)
+ (define-key ebrowse-global-submap-4 "." 'ebrowse-tags-find-definition-other-window)
+ (define-key ebrowse-global-submap-4 "f" 'ebrowse-tags-find-definition-other-window)
+ (define-key ebrowse-global-submap-4 "v" 'ebrowse-tags-find-declaration-other-window)
+ (define-key ebrowse-global-submap-4 "F" 'ebrowse-tags-view-definition-other-window)
+ (define-key ebrowse-global-submap-4 "V" 'ebrowse-tags-view-declaration-other-window)
+ (define-key ebrowse-global-map "5" ebrowse-global-submap-5)
+ (define-key ebrowse-global-submap-5 "." 'ebrowse-tags-find-definition-other-frame)
+ (define-key ebrowse-global-submap-5 "f" 'ebrowse-tags-find-definition-other-frame)
+ (define-key ebrowse-global-submap-5 "v" 'ebrowse-tags-find-declaration-other-frame)
+ (define-key ebrowse-global-submap-5 "F" 'ebrowse-tags-view-definition-other-frame)
+ (define-key ebrowse-global-submap-5 "V" 'ebrowse-tags-view-declaration-other-frame)
+ (define-key global-map ebrowse-global-prefix-key ebrowse-global-map))
+
+
+\f
+;;; Electric C++ browser buffer menu
+
+;;; Electric buffer menu customization to display only some buffers
+;;; (in this case Tree buffers). There is only one problem with this:
+;;; If the very first character typed in the buffer menu is a space,
+;;; this will select the buffer from which the buffer menu was
+;;; invoked. But this buffer is not displayed in the buffer list if
+;;; it isn't a tree buffer. I therefore let the buffer menu command
+;;; loop read the command `p' via `unread-command-char'. This command
+;;; has no effect since we are on the first line of the buffer.
+
+(defvar electric-buffer-menu-mode-hook nil)
+
+
+(defun ebrowse-hack-electric-buffer-menu ()
+ "Hack the electric buffer menu to display browser buffers."
+ (let (non-empty)
+ (unwind-protect
+ (save-excursion
+ (setq buffer-read-only nil)
+ (goto-char 1)
+ (forward-line 2)
+ (while (not (eobp))
+ (let ((b (Buffer-menu-buffer nil)))
+ (if (or (ebrowse-buffer-p b)
+ (string= (buffer-name b) "*Apropos Members*"))
+ (progn (forward-line 1)
+ (setq non-empty t))
+ (delete-region (point)
+ (save-excursion (end-of-line)
+ (min (point-max)
+ (1+ (point)))))))))
+ (unless non-empty
+ (error "No tree buffers"))
+ (setf unread-command-events (listify-key-sequence "p"))
+ (shrink-window-if-larger-than-buffer (selected-window))
+ (setq buffer-read-only t))))
+
+
+(defun ebrowse-select-1st-to-9nth ()
+ "Select the nth entry in the list by the keys 1..9."
+ (interactive)
+ (let* ((maxlin (count-lines (point-min) (point-max)))
+ (n (min maxlin (+ 2 (string-to-int (this-command-keys))))))
+ (goto-line n)
+ (throw 'electric-buffer-menu-select (point))))
+
+
+(defun ebrowse-install-1-to-9-keys ()
+ "Define keys 1..9 to select the 1st to 0nth entry in the list."
+ (dotimes (i 9)
+ (define-key (current-local-map) (char-to-string (+ i ?1))
+ 'ebrowse-select-1st-to-9nth)))
+
+
+(defun ebrowse-electric-buffer-list ()
+ "Display an electric list of Ebrowse buffers."
+ (interactive)
+ (unwind-protect
+ (progn
+ (add-hook 'electric-buffer-menu-mode-hook
+ 'ebrowse-hack-electric-buffer-menu)
+ (add-hook 'electric-buffer-menu-mode-hook
+ 'ebrowse-install-1-to-9-keys)
+ (call-interactively 'electric-buffer-list))
+ (remove-hook 'electric-buffer-menu-mode-hook
+ 'ebrowse-hack-electric-buffer-menu)))
+
+\f
+;;; Mouse support
+
+(defun ebrowse-mouse-find-member (event)
+ "Find the member clicked on in another frame.
+EVENT is a mouse button event."
+ (interactive "e")
+ (mouse-set-point event)
+ (let (start name)
+ (save-excursion
+ (skip-chars-backward "a-zA-Z0-9_")
+ (setq start (point))
+ (skip-chars-forward "a-zA-Z0-9_")
+ (setq name (buffer-substring start (point))))
+ (ebrowse-tags-view/find-member-decl/defn
+ 5 :view nil :definition t :member-name name)))
+
+
+(defun ebrowse-popup-menu (menu event)
+ "Pop up MENU and perform an action if something was selected.
+EVENT is the mouse event."
+ (save-selected-window
+ (select-window (posn-window (event-start event)))
+ (let ((selection (x-popup-menu event menu)) binding)
+ (while selection
+ (setq binding (lookup-key (or binding menu) (vector (car selection)))
+ selection (cdr selection)))
+ (when binding
+ (call-interactively binding)))))
+
+
+(easy-menu-define
+ ebrowse-tree-buffer-class-object-menu ebrowse-tree-mode-map
+ "Object menu for classes in the tree buffer"
+ '("Class"
+ ["Functions" ebrowse-tree-command:show-member-functions
+ :help "Display a list of member functions"
+ :active t]
+ ["Variables" ebrowse-tree-command:show-member-variables
+ :help "Display a list of member variables"
+ :active t]
+ ["Static Functions" ebrowse-tree-command:show-static-member-functions
+ :help "Display a list of static member functions"
+ :active t]
+ ["Static Variables" ebrowse-tree-command:show-static-member-variables
+ :help "Display a list of static member variables"
+ :active t]
+ ["Friends/ Defines" ebrowse-tree-command:show-friends
+ :help "Display a list of friends of a class"
+ :active t]
+ ["Types" ebrowse-tree-command:show-types
+ :help "Display a list of types defined in a class"
+ :active t]
+ "-----------------"
+ ["View" ebrowse-view-class-declaration
+ :help "View class declaration"
+ :active (eq (get-text-property (point) 'ebrowse-what) 'class-name)]
+ ["Find" ebrowse-find-class-declaration
+ :help "Find class declaration in file"
+ :active (eq (get-text-property (point) 'ebrowse-what) 'class-name)]
+ "-----------------"
+ ["Mark" ebrowse-toggle-mark-at-point
+ :help "Mark class point is on"
+ :active (eq (get-text-property (point) 'ebrowse-what) 'class-name)]
+ "-----------------"
+ ["Collapse" ebrowse-collapse-branch
+ :help "Collapse subtree under class point is on"
+ :active (eq (get-text-property (point) 'ebrowse-what) 'class-name)]
+ ["Expand" ebrowse-expand-branch
+ :help "Expand subtree under class point is on"
+ :active (eq (get-text-property (point) 'ebrowse-what) 'class-name)]))
+
+
+(easy-menu-define
+ ebrowse-tree-buffer-object-menu ebrowse-tree-mode-map
+ "Object menu for tree buffers"
+ '("Ebrowse"
+ ["Filename Display" ebrowse-toggle-file-name-display
+ :help "Toggle display of source files names"
+ :style toggle
+ :selected ebrowse--show-file-names-flag
+ :active t]
+ ["Tree Indentation" ebrowse-set-tree-indentation
+ :help "Set the tree's indentation"
+ :active t]
+ ["Unmark All Classes" ebrowse-mark-all-classes
+ :help "Unmark all classes in the class tree"
+ :active t]
+ ["Expand All" ebrowse-expand-all
+ :help "Expand all subtrees in the class tree"
+ :active t]
+ ["Statistics" ebrowse-statistics
+ :help "Show a buffer with class hierarchy statistics"
+ :active t]
+ ["Find Class" ebrowse-read-class-name-and-go
+ :help "Find a class in the tree"
+ :active t]
+ ["Member Buffer" ebrowse-pop/switch-to-member-buffer-for-same-tree
+ :help "Show a member buffer for this class tree"
+ :active t]))
+
+
+(defun ebrowse-mouse-3-in-tree-buffer (event)
+ "Perform mouse actions in tree buffers.
+EVENT is the mouse event."
+ (interactive "e")
+ (mouse-set-point event)
+ (let* ((where (posn-point (event-start event)))
+ (property (get-text-property where 'ebrowse-what)))
+ (case (event-click-count event)
+ (1
+ (case property
+ (class-name
+ (ebrowse-popup-menu ebrowse-tree-buffer-class-object-menu event))
+ (t
+ (ebrowse-popup-menu ebrowse-tree-buffer-object-menu event)))))))
+
+
+(defun ebrowse-mouse-2-in-tree-buffer (event)
+ "Perform mouse actions in tree buffers.
+EVENT is the mouse event."
+ (interactive "e")
+ (mouse-set-point event)
+ (let* ((where (posn-point (event-start event)))
+ (property (get-text-property where 'ebrowse-what)))
+ (case (event-click-count event)
+ (1 (case property
+ (class-name
+ (ebrowse-tree-command:show-member-functions)))))))
+
+
+(defun ebrowse-mouse-1-in-tree-buffer (event)
+ "Perform mouse actions in tree buffers.
+EVENT is the mouse event."
+ (interactive "e")
+ (mouse-set-point event)
+ (let* ((where (posn-point (event-start event)))
+ (property (get-text-property where 'ebrowse-what)))
+ (case (event-click-count event)
+ (2 (case property
+ (class-name
+ (let ((collapsed (save-excursion (skip-chars-forward "^\r\n")
+ (looking-at "\r"))))
+ (ebrowse-collapse-fn (not collapsed))))
+ (mark
+ (ebrowse-toggle-mark-at-point 1)))))))
+
+
+\f
+;;; Hooks installed
+
+(add-hook 'find-file-hooks 'ebrowse-find-file)
+
+\f
+(provide 'ebrowse)
+
+;;; Local variables:
+;;; eval:(put 'ebrowse-output 'lisp-indent-hook 0)
+;;; eval:(put 'ebrowse-ignoring-completion-case 'lisp-indent-hook 0)
+;;; eval:(put 'ebrowse-save-selective 'lisp-indent-hook 0)
+;;; eval:(put 'ebrowse-for-all-trees 'lisp-indent-hook 1)
+;;; End:
+
+;;; ebrowse.el ends here.
+