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 1, or (at your option)
+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,
be used in all new buffers. */
#define Vstandard_syntax_table buffer_defaults.syntax_table
-/* A syntax table is a Lisp vector of length 0400, whose elements are integers.
+/* A syntax table is a chartable whose elements are cons cells
+ (CODE+FLAGS . MATCHING-CHAR). MATCHING-CHAR can be nil if the char
+ is not a kind of parenthesis.
-The low 8 bits of the integer is a code, as follows:
-*/
+ The low 8 bits of CODE+FLAGS is a code, as follows: */
enum syntaxcode
{
Smax /* Upper bound on codes that are meaningful */
};
-#define RAW_SYNTAX(table, c) \
- ((enum syntaxcode) (XINT (XVECTOR (table)->contents[(unsigned char) (c)]) & 0377))
+/* Fetch the syntax entry for char C from table TABLE.
+ This returns the whole entry (normally a cons cell)
+ and does not do any kind of inheritance. */
-#ifdef __GNUC__
-#define SYNTAX(c) \
- ({ unsigned char character = c; \
- enum syntaxcode syntax \
- = RAW_SYNTAX (current_buffer->syntax_table, character); \
- if (syntax == Sinherit) \
- syntax = RAW_SYNTAX (Vstandard_syntax_table, character); \
- syntax; })
+#if 1
+#define RAW_SYNTAX_ENTRY(table, c) \
+ (XCHAR_TABLE (table)->contents[(unsigned char) (c)])
+
+#define SET_RAW_SYNTAX_ENTRY(table, c, val) \
+ (XCHAR_TABLE (table)->contents[(unsigned char) (c)] = (val))
#else
-#define SYNTAX(c) \
- (RAW_SYNTAX (current_buffer->syntax_table, c) == Sinherit \
- ? RAW_SYNTAX (Vstandard_syntax_table, c) \
- : RAW_SYNTAX (current_buffer->syntax_table, c))
+#define RAW_SYNTAX_ENTRY(table, c) \
+ ((c) >= 128 \
+ ? raw_syntax_table_lookup (table, c) \
+ : XCHAR_TABLE (table)->contents[(unsigned char) (c)])
+
+#define SET_RAW_SYNTAX_ENTRY(table, c, val) \
+ ((c) >= 128 \
+ ? set_raw_syntax_table_lookup (table, c, (val)) \
+ : XCHAR_TABLE (table)->contents[(unsigned char) (c)] = (val))
#endif
-/* The next 8 bits of the number is a character,
- the matching delimiter in the case of Sopen or Sclose. */
-
-#define RAW_SYNTAX_MATCH(table, c) \
- ((XINT (XVECTOR (table)->contents[(unsigned char) (c)]) >> 8) & 0377)
+/* Extract the information from the entry for character C
+ in syntax table TABLE. Do inheritance. */
#ifdef __GNUC__
-#define SYNTAX_MATCH(c) \
- ({ unsigned char character = c; \
- enum syntaxcode syntax \
- = RAW_SYNTAX (current_buffer->syntax_table, character); \
- int matcher; \
- if (syntax == Sinherit) \
- matcher = RAW_SYNTAX_MATCH (Vstandard_syntax_table, character); \
- else \
- matcher = RAW_SYNTAX_MATCH (current_buffer->syntax_table, character); \
- matcher; })
+#define SYNTAX_ENTRY(c) \
+ ({ Lisp_Object temp, table; \
+ unsigned char cc = (c); \
+ table = current_buffer->syntax_table; \
+ while (!NILP (table)) \
+ { \
+ temp = RAW_SYNTAX_ENTRY (table, cc); \
+ if (!NILP (temp)) \
+ break; \
+ table = XCHAR_TABLE (table)->parent; \
+ } \
+ temp; })
+
+#define SYNTAX(c) \
+ ({ Lisp_Object temp; \
+ temp = SYNTAX_ENTRY (c); \
+ (CONSP (temp) \
+ ? (enum syntaxcode) (XINT (XCONS (temp)->car) & 0xff) \
+ : wrong_type_argument (Qconsp, temp)); })
+
+#define SYNTAX_WITH_FLAGS(c) \
+ ({ Lisp_Object temp; \
+ temp = SYNTAX_ENTRY (c); \
+ (CONSP (temp) \
+ ? XINT (XCONS (temp)->car) \
+ : wrong_type_argument (Qconsp, temp)); })
+
+#define SYNTAX_MATCH(c) \
+ ({ Lisp_Object temp; \
+ temp = SYNTAX_ENTRY (c); \
+ (CONSP (temp) \
+ ? XINT (XCONS (temp)->cdr) \
+ : wrong_type_argument (Qconsp, temp)); })
#else
-#define SYNTAX_MATCH(c) \
- (RAW_SYNTAX (current_buffer->syntax_table, c) == Sinherit \
- ? RAW_SYNTAX_MATCH (Vstandard_syntax_table, c) \
- : RAW_SYNTAX_MATCH (current_buffer->syntax_table, c))
+extern Lisp_Object syntax_temp;
+extern Lisp_Object syntax_parent_lookup ();
+
+#define SYNTAX_ENTRY(c) \
+ (syntax_temp \
+ = RAW_SYNTAX_ENTRY (current_buffer->syntax_table, (c)), \
+ (NILP (syntax_temp) \
+ ? (syntax_temp \
+ = syntax_parent_lookup (current_buffer->syntax_table, \
+ (unsigned char) (c))) \
+ : syntax_temp))
+
+#define SYNTAX(c) \
+ (syntax_temp = SYNTAX_ENTRY ((c)), \
+ (CONSP (syntax_temp) \
+ ? (enum syntaxcode) (XINT (XCONS (syntax_temp)->car) & 0xff) \
+ : wrong_type_argument (Qconsp, syntax_temp)))
+
+#define SYNTAX_WITH_FLAGS(c) \
+ (syntax_temp = SYNTAX_ENTRY ((c)), \
+ (CONSP (syntax_temp) \
+ ? XINT (XCONS (syntax_temp)->car) \
+ : wrong_type_argument (Qconsp, syntax_temp)))
+
+#define SYNTAX_MATCH(c) \
+ (syntax_temp = SYNTAX_ENTRY ((c)), \
+ (CONSP (syntax_temp) \
+ ? XINT (XCONS (syntax_temp)->cdr) \
+ : wrong_type_argument (Qconsp, syntax_temp)))
#endif
/* Then there are six single-bit flags that have the following meanings:
Style a is always the default.
*/
-#define SYNTAX_CHOOSE_TABLE(c) \
- (RAW_SYNTAX (current_buffer->syntax_table, c) == Sinherit \
- ? Vstandard_syntax_table : current_buffer->syntax_table)
+#define SYNTAX_COMSTART_FIRST(c) ((SYNTAX_WITH_FLAGS (c) >> 16) & 1)
-#ifdef __GNUC__
+#define SYNTAX_COMSTART_SECOND(c) ((SYNTAX_WITH_FLAGS (c) >> 17) & 1)
-#define SYNTAX_COMSTART_FIRST(c) \
- ({ unsigned char ch = c; \
- Lisp_Object table = SYNTAX_CHOOSE_TABLE (ch); \
- (XINT (XVECTOR (table)->contents[ch]) >> 16) & 1; \
- })
-
-#define SYNTAX_COMSTART_SECOND(c) \
- ({ unsigned char ch = c; \
- Lisp_Object table = SYNTAX_CHOOSE_TABLE (ch); \
- (XINT (XVECTOR (table)->contents[ch]) >> 17) & 1; \
- })
-
-#define SYNTAX_COMEND_FIRST(c) \
- ({ unsigned char ch = c; \
- Lisp_Object table = SYNTAX_CHOOSE_TABLE (ch); \
- (XINT (XVECTOR (table)->contents[ch]) >> 18) & 1; \
- })
-
-#define SYNTAX_COMEND_SECOND(c) \
- ({ unsigned char ch = c; \
- Lisp_Object table = SYNTAX_CHOOSE_TABLE (ch); \
- (XINT (XVECTOR (table)->contents[ch]) >> 19) & 1; \
- })
-
-#define SYNTAX_PREFIX(c) \
- ({ unsigned char ch = c; \
- Lisp_Object table = SYNTAX_CHOOSE_TABLE (ch); \
- (XINT (XVECTOR (table)->contents[ch]) >> 20) & 1; \
- })
+#define SYNTAX_COMEND_FIRST(c) ((SYNTAX_WITH_FLAGS (c) >> 18) & 1)
-/* extract the comment style bit from the syntax table entry */
-#define SYNTAX_COMMENT_STYLE(c) \
- ({ unsigned char ch = c; \
- Lisp_Object table = SYNTAX_CHOOSE_TABLE (ch); \
- (XINT (XVECTOR (table)->contents[ch]) >> 21) & 1; \
- })
-
-#else
+#define SYNTAX_COMEND_SECOND(c) ((SYNTAX_WITH_FLAGS (c) >> 19) & 1)
-#define SYNTAX_COMSTART_FIRST(c) \
- ((XINT (XVECTOR (SYNTAX_CHOOSE_TABLE (c))->contents[(unsigned char) (c)]) >> 16) & 1)
-
-#define SYNTAX_COMSTART_SECOND(c) \
- ((XINT (XVECTOR (SYNTAX_CHOOSE_TABLE (c))->contents[(unsigned char) (c)]) >> 17) & 1)
-
-#define SYNTAX_COMEND_FIRST(c) \
- ((XINT (XVECTOR (SYNTAX_CHOOSE_TABLE (c))->contents[(unsigned char) (c)]) >> 18) & 1)
-
-#define SYNTAX_COMEND_SECOND(c) \
- ((XINT (XVECTOR (SYNTAX_CHOOSE_TABLE (c))->contents[(unsigned char) (c)]) >> 19) & 1)
-
-#define SYNTAX_PREFIX(c) \
- ((XINT (XVECTOR (SYNTAX_CHOOSE_TABLE (c))->contents[(unsigned char) (c)]) >> 20) & 1)
+#define SYNTAX_PREFIX(c) ((SYNTAX_WITH_FLAGS (c) >> 20) & 1)
/* extract the comment style bit from the syntax table entry */
-#define SYNTAX_COMMENT_STYLE(c) \
- ((XINT (XVECTOR (SYNTAX_CHOOSE_TABLE (c))->contents[(unsigned char) (c)]) >> 21) & 1)
-
-#endif
+#define SYNTAX_COMMENT_STYLE(c) ((SYNTAX_WITH_FLAGS (c) >> 21) & 1)
/* This array, indexed by a character, contains the syntax code which that
character signifies (as a char). For example,