X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/c80718ccb9e66011245253acb3c7df2c6199bfec..e9cda8277618ce4e2644e852539474b7b67f09e3:/lisp/progmodes/f90.el diff --git a/lisp/progmodes/f90.el b/lisp/progmodes/f90.el index 349dafb95e..a3f4474351 100644 --- a/lisp/progmodes/f90.el +++ b/lisp/progmodes/f90.el @@ -1,9 +1,9 @@ ;;; f90.el --- Fortran-90 mode (free format) -;; Copyright (C) 1995, 1996 Free Software Foundation, Inc. +;; Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc. -;; Author: Torbj\"orn Einarsson -;; Created: Apr. 18, 1996 +;; Author: Torbj\"orn Einarsson +;; Maintainer: Glenn Morris ;; Keywords: fortran, f90, languages ;; This file is part of GNU Emacs. @@ -25,24 +25,29 @@ ;;; Commentary: -;; Smart mode for editing F90 programs in FREE FORMAT. +;; Major mode for editing F90 programs in FREE FORMAT. +;; The minor language revision F95 is also supported (with font-locking). + ;; Knows about continuation lines, named structured statements, and other -;; new features in F90 including HPF (High Performance Fortran) structures. -;; The basic feature is to provide an accurate indentation of F90 programs. +;; features in F90 including HPF (High Performance Fortran) structures. +;; The basic feature provides accurate indentation of F90 programs. ;; In addition, there are many more features like automatic matching of all ;; end statements, an auto-fill function to break long lines, a join-lines -;; function which joins continued lines etc etc. -;; To facilitate typing, a fairly complete list of abbreviations is provided. -;; For example, `i is short-hand for integer (if abbrev-mode is on). +;; function which joins continued lines, etc. + +;; To facilitate typing, a fairly complete list of abbreviations is provided. +;; All abbreviations begin with the backquote character "`" +;; (this requires modification of the syntax-table). +;; For example, `i expands to integer (if abbrev-mode is on). -;; There are two separate features for highlighting the code. +;; There are two separate features for altering the appearance of code: ;; 1) Upcasing or capitalizing of all keywords. -;; 2) Colors/fonts using font-lock-mode. (only when using X-windows) -;; Automatic upcase of downcase of keywords is controlled by the parameter -;; f90-auto-keyword-case. +;; 2) Colors/fonts using font-lock-mode. +;; Automatic upcase or downcase of keywords is controlled by the variable +;; f90-auto-keyword-case. ;; The indentations of lines starting with ! is determined by the first of the -;; following matches (the values in the left column are the default values): +;; following matches (values in the left column are the defaults): ;; start-string/regexp indent variable holding start-string/regexp ;; !!! 0 @@ -56,25 +61,27 @@ ;; ! as code as code ;; !! comment-column as code ;; ![^!] as code comment-column -;; Trailing comments are indented to comment-column with indent-for-comment M-; -;; f90-comment-region (C-c;) toggles insertion of f90-comment-region in region. - -;; One common convention for free vs. fixed format is that free-format files -;; have the ending .f90 while the fixed format files have the ending .f. -;; To make f90-mode work, put this file in, for example, your directory -;; ~/lisp, and be sure that you have the following in your .emacs-file -;; (setq load-path (append load-path '("~/lisp"))) -;; (autoload 'f90-mode "f90" -;; "Major mode for editing Fortran 90 code in free format." t) -;; (setq auto-mode-alist (append auto-mode-alist -;; (list '("\\.f90$" . f90-mode)))) -;; Once you have entered f90-mode, you may get more info by using -;; the command describe-mode (C-h m). For online help describing various -;; functions use C-h f +;; Trailing comments are indented to comment-column with indent-for-comment. +;; The function f90-comment-region toggles insertion of +;; the variable f90-comment-region in every line of the region. -;; To customize the f90-mode for your taste, use, for example: -;; (you don't have to specify values for all the parameters below) -;;(setq f90-mode-hook +;; One common convention for free vs. fixed format is that free format files +;; have the ending .f90 or .f95 while fixed format files have the ending .f. +;; Emacs automatically loads Fortran files in the appropriate mode based +;; on extension. You can modify this by adjusting the variable auto-mode-alist. +;; For example: +;; (add-to-list 'auto-mode-alist '("\\.f\\'" . f90-mode)) + +;; Once you have entered f90-mode, you may get more info by using +;; the command describe-mode (C-h m). For online help use +;; C-h f , or +;; C-h v . + +;; To customize f90-mode for your taste, use, for example: +;; (you don't have to specify values for all the parameters below) +;; +;;(add-hook 'f90-mode-hook +;; ;; These are the default values. ;; '(lambda () (setq f90-do-indent 3 ;; f90-if-indent 3 ;; f90-type-indent 3 @@ -83,34 +90,35 @@ ;; f90-comment-region "!!$" ;; f90-directive-comment-re "!hpf\\$" ;; f90-indented-comment-re "!" -;; f90-break-delimiters "[-+\\*/,><=% \t]" +;; f90-break-delimiters "[-+\\*/><=,% \t]" ;; f90-break-before-delimiters t ;; f90-beginning-ampersand t ;; f90-smart-end 'blink ;; f90-auto-keyword-case nil -;; f90-leave-line-no nil -;; f90-startup-message t +;; f90-leave-line-no nil ;; indent-tabs-mode nil +;; f90-font-lock-keywords f90-font-lock-keywords-2 ;; ) -;; ;;The rest is not default. +;; ;; These are not default. ;; (abbrev-mode 1) ; turn on abbreviation mode -;; (f90-auto-fill-mode 1) ; turn on auto-filling -;; (turn-on-font-lock) ; for highlighting +;; (f90-add-imenu-menu) ; extra menu with functions etc. ;; (if f90-auto-keyword-case ; change case of all keywords on startup ;; (f90-change-keywords f90-auto-keyword-case)) ;; )) -;; in your .emacs file (the shown values are the defaults). You can also -;; change the values of the lists f90-keywords etc. -;; The auto-fill and abbreviation minor modes are accessible from the menu, -;; or by using M-x f90-auto-fill-mode and M-x abbrev-mode, respectively. +;; +;; in your .emacs file. You can also customize the lists +;; f90-font-lock-keywords, etc. +;; +;; The auto-fill and abbreviation minor modes are accessible from the F90 menu, +;; or by using M-x auto-fill-mode and M-x abbrev-mode, respectively. ;; Remarks ;; 1) Line numbers are by default left-justified. If f90-leave-line-no is ;; non-nil, the line numbers are never touched. -;; 2) Multi-; statements like > do i=1,20 ; j=j+i ; end do < are not handled +;; 2) Multi-; statements like "do i=1,20 ; j=j+i ; end do" are not handled ;; correctly, but I imagine them to be rare. ;; 3) Regexps for hilit19 are no longer supported. -;; 4) For FIXED FORMAT code, use the ordinary fortran mode. +;; 4) For FIXED FORMAT code, use fortran mode. ;; 5) This mode does not work under emacs-18.x. ;; 6) Preprocessor directives, i.e., lines starting with # are left-justified ;; and are untouched by all case-changing commands. There is, at present, no @@ -127,13 +135,15 @@ ;; f90-indent-region (can be called by calling indent-region) ;; f90-indent-subprogram ;; f90-break-line f90-join-lines -;; f90-auto-fill-mode ;; f90-fill-region ;; f90-insert-end ;; f90-upcase-keywords f90-upcase-region-keywords ;; f90-downcase-keywords f90-downcase-region-keywords ;; f90-capitalize-keywords f90-capitalize-region-keywords +;; f90-add-imenu-menu +;; f90-font-lock-1, f90-font-lock-2, f90-font-lock-3, f90-font-lock-4 +;; Original author's thanks ;; Thanks to all the people who have tested the mode. Special thanks to Jens ;; Bloch Helmers for encouraging me to write this code, for creative ;; suggestions as well as for the lists of hpf-commands. @@ -142,620 +152,552 @@ ;;; Code: -(defconst bug-f90-mode "T.Einarsson@clab.ericsson.se" - "Address of mailing list for F90 mode bugs.") - -;; User options -(defvar f90-do-indent 3 - "*Extra indentation applied to DO blocks.") - -(defvar f90-if-indent 3 - "*Extra indentation applied to IF, SELECT CASE, WHERE and FORALL blocks.") - -(defvar f90-type-indent 3 - "*Extra indentation applied to TYPE, INTERFACE and BLOCK DATA blocks.") - -(defvar f90-program-indent 2 - "*Extra indentation applied to PROGRAM/MODULE/SUBROUTINE/FUNCTION blocks.") - -(defvar f90-continuation-indent 5 - "*Extra indentation applied to F90 continuation lines.") - -(defvar f90-comment-region "!!$" - "*String inserted by \\[f90-comment-region]\ - at start of each line in region.") +;; TODO +;; Support for hideshow, align. +;; OpenMP, preprocessor highlighting. -(defvar f90-indented-comment-re "!" - "*Regexp saying which comments to be indented like code.") +(defvar comment-auto-fill-only-comments) +(defvar font-lock-keywords) -(defvar f90-directive-comment-re "!hpf\\$" - "*Regexp of comment-like directive like \"!HPF\\\\$\", not to be indented.") - -(defvar f90-beginning-ampersand t - "*t makes automatic insertion of \& at beginning of continuation line.") +;; User options -(defvar f90-smart-end 'blink +(defgroup f90 nil + "Major mode for editing free format Fortran 90,95 code." + :group 'languages) + +(defgroup f90-indent nil + "Indentation in free format Fortran." + :prefix "f90-" + :group 'f90) + + +(defcustom f90-do-indent 3 + "*Extra indentation applied to DO blocks." + :type 'integer + :group 'f90-indent) + +(defcustom f90-if-indent 3 + "*Extra indentation applied to IF, SELECT CASE, WHERE and FORALL blocks." + :type 'integer + :group 'f90-indent) + +(defcustom f90-type-indent 3 + "*Extra indentation applied to TYPE, INTERFACE and BLOCK DATA blocks." + :type 'integer + :group 'f90-indent) + +(defcustom f90-program-indent 2 + "*Extra indentation applied to PROGRAM, MODULE, SUBROUTINE, FUNCTION blocks." + :type 'integer + :group 'f90-indent) + +(defcustom f90-continuation-indent 5 + "*Extra indentation applied to continuation lines." + :type 'integer + :group 'f90-indent) + +(defcustom f90-comment-region "!!$" + "*String inserted by \\[f90-comment-region] at start of each line in region." + :type 'string + :group 'f90-indent) + +(defcustom f90-indented-comment-re "!" + "*Regexp matching comments to indent as code." + :type 'regexp + :group 'f90-indent) + +(defcustom f90-directive-comment-re "!hpf\\$" + "*Regexp of comment-like directive like \"!HPF\\\\$\", not to be indented." + :type 'regexp + :group 'f90-indent) + +(defcustom f90-beginning-ampersand t + "*Non-nil gives automatic insertion of \& at start of continuation line." + :type 'boolean + :group 'f90) + +(defcustom f90-smart-end 'blink "*From an END statement, check and fill the end using matching block start. Allowed values are 'blink, 'no-blink, and nil, which determine -whether to blink the matching beginning.") +whether to blink the matching beginning." + :type '(choice (const blink) (const no-blink) (const nil)) + :group 'f90) -(defvar f90-break-delimiters "[-+\\*/><=,% \t]" - "*Regexp holding list of delimiters at which lines may be broken.") +(defcustom f90-break-delimiters "[-+\\*/><=,% \t]" + "*Regexp holding list of delimiters at which lines may be broken." + :type 'regexp + :group 'f90) -(defvar f90-break-before-delimiters t - "*Non-nil causes `f90-do-auto-fill' to break lines before delimiters.") +(defcustom f90-break-before-delimiters t + "*Non-nil causes `f90-do-auto-fill' to break lines before delimiters." + :type 'boolean + :group 'f90) -(defvar f90-auto-keyword-case nil +(defcustom f90-auto-keyword-case nil "*Automatic case conversion of keywords. - The options are 'downcase-word, 'upcase-word, 'capitalize-word and nil") +The options are 'downcase-word, 'upcase-word, 'capitalize-word and nil." + :type '(choice (const downcase-word) (const upcase-word) + (const capitalize-word) (const nil)) + :group 'f90) -(defvar f90-auto-hilit19 t - "*Automatic highlight of line at every indent or newline (for hilit19).") +(defcustom f90-leave-line-no nil + "*If non-nil, line numbers are not left justified." + :type 'boolean + :group 'f90) -(defvar f90-leave-line-no nil - "*If nil, left-justify linenumbers.") +(defcustom f90-mode-hook nil + "Hook run when entering F90 mode." + :type 'hook + :options '(f90-add-imenu-menu) + :group 'f90) -(defvar f90-startup-message t - "*Non-nil displays a startup message when F90 mode is first called.") +;; User options end here. (defconst f90-keywords-re - ;;("allocate" "allocatable" "assign" "assignment" "backspace" "block" - ;;"call" "case" "character" "close" "common" "complex" "contains" - ;;"continue" "cycle" "data" "deallocate" "dimension" "do" "double" "else" - ;;"elseif" "elsewhere" "end" "enddo" "endfile" "endif" "entry" "equivalence" - ;;"exit" "external" "forall" "format" "function" "goto" "if" "implicit" - ;;"include" "inquire" "integer" "intent" "interface" "intrinsic" "logical" - ;;"module" "namelist" "none" "nullify" "only" "open" "operator" "optional" "parameter" - ;;"pause" "pointer" "precision" "print" "private" "procedure" "program" - ;;"public" "read" "real" "recursive" "result" "return" "rewind" "save" "select" - ;;"sequence" "stop" "subroutine" "target" "then" "type" "use" "where" - ;;"while" "write") - (concat - "\\<\\(a\\(llocat\\(able\\|e\\)\\|ssign\\(\\|ment\\)\\)\\|b\\(ackspace\\|" - "lock\\)\\|c\\(a\\(ll\\|se\\)\\|haracter\\|lose\\|o\\(m\\(mon\\|plex\\)\\|" - "nt\\(ains\\|inue\\)\\)\\|ycle\\)\\|d\\(ata\\|eallocate\\|imension\\|" - "o\\(\\|uble\\)\\)\\|e\\(lse\\(\\|if\\|where\\)\\|n\\(d\\(\\|do\\|file\\|" - "if\\)\\|try\\)\\|quivalence\\|x\\(it\\|ternal\\)\\)\\|f\\(or\\(all\\|" - "mat\\)\\|unction\\)\\|goto\\|i\\(f\\|mplicit\\|n\\(clude\\|quire\\|t\\(" - "e\\(ger\\|nt\\|rface\\)\\|rinsic\\)\\)\\)\\|logical\\|module\\|n\\(" - "amelist\\|one\\|ullify\\)\\|o\\(nly\\|p\\(en\\|erator\\|tional\\)\\)\\|p\\(a\\(" - "rameter\\|use\\)\\|ointer\\|r\\(ecision\\|i\\(nt\\|vate\\)\\|o\\(" - "cedure\\|gram\\)\\)\\|ublic\\)\\|re\\(a[dl]\\|cursive\\|sult\\|turn\\|wind\\)\\|" - "s\\(ave\\|e\\(lect\\|quence\\)\\|top\\|ubroutine\\)\\|t\\(arget\\|hen\\|" - "ype\\)\\|use\\|w\\(h\\(ere\\|ile\\)\\|rite\\)\\)\\>") + (regexp-opt '("allocatable" "allocate" "assign" "assignment" "backspace" + "block" "call" "case" "character" "close" "common" "complex" + "contains" "continue" "cycle" "data" "deallocate" + "dimension" "do" "double" "else" "elseif" "elsewhere" "end" + "enddo" "endfile" "endif" "entry" "equivalence" "exit" + "external" "forall" "format" "function" "goto" "if" + "implicit" "include" "inquire" "integer" "intent" + "interface" "intrinsic" "logical" "module" "namelist" "none" + "nullify" "only" "open" "operator" "optional" "parameter" + "pause" "pointer" "precision" "print" "private" "procedure" + "program" "public" "read" "real" "recursive" "result" "return" + "rewind" "save" "select" "sequence" "stop" "subroutine" + "target" "then" "type" "use" "where" "while" "write" + ;; F95 keywords. + "elemental" "pure") 'words) "Regexp for F90 keywords.") (defconst f90-keywords-level-3-re - ;; ("allocate" "allocatable" "assign" "assignment" "backspace" "close" - ;; "deallocate" "dimension" "endfile" "entry" "equivalence" "external" - ;; "inquire" "intent" "intrinsic" "nullify" "only" "open" "operator" - ;; "optional" "parameter" "pause" "pointer" "print" "private" "public" - ;; "read" "recursive" "result" "rewind" "save" "select" "sequence" - ;; "target" "write") - (concat - "\\<\\(a\\(llocat\\(able\\|e\\)\\|ssign\\(\\|ment\\)\\)\\|backspace\\|" - "close\\|d\\(eallocate\\|imension\\)\\|e\\(n\\(dfile\\|try\\)\\|" - "quivalence\\|xternal\\)\\|" - "in\\(quire\\|t\\(ent\\|rinsic\\)\\)\\|nullify\\|" - "o\\(nly\\|p\\(en\\|erator\\|tional\\)\\)\\|" - "p\\(a\\(rameter\\|use\\)\\|ointer\\|ri\\(nt\\|vate\\)\\|ublic\\)\\|re\\(" - "ad\\|cursive\\|sult\\|wind\\)\\|s\\(ave\\|e\\(lect\\|quence\\)\\)\\|target\\|" - "write\\)\\>") -"Keyword-regexp for font-lock level >= 3.") - + (regexp-opt + '("allocatable" "allocate" "assign" "assignment" "backspace" + "close" "deallocate" "dimension" "endfile" "entry" "equivalence" + "external" "inquire" "intent" "intrinsic" "nullify" "only" "open" + "operator" "optional" "parameter" "pause" "pointer" "print" "private" + "public" "read" "recursive" "result" "rewind" "save" "select" + "sequence" "target" "write" + ;; F95 keywords. + "elemental" "pure") 'words) + "Keyword-regexp for font-lock level >= 3.") (defconst f90-procedures-re - ;; ("abs" "achar" "acos" "adjustl" "adjustr" "aimag" "aint" "all" "allocated" - ;; "anint" "any" "asin" "associated" "atan" "atan2" "bit_size" "btest" - ;; "ceiling" "char" "cmplx" "conjg" "cos" "cosh" "count" "cshift" - ;; "date_and_time" "dble" "digits" "dim" "dot_product" "dprod" "eoshift" - ;; "epsilon" "exp" "exponent" "floor" "fraction" "huge" "iachar" "iand" - ;; "ibclr" "ibits" "ibset" "ichar" "ieor" "index" "int" "ior" "ishft" - ;; "ishftc" "kind" "lbound" "len" "len_trim" "lge" "lgt" "lle" "llt" "log" - ;; "logical" "log10" "matmul" "max" "maxexponent" "maxloc" "maxval" "merge" - ;; "min" "minexponent" "minloc" "minval" "mod" "modulo" "mvbits" "nearest" - ;; "nint" "not" "pack" "precision" "present" "product" "radix" - ;; "random_number" "random_seed" "range" "real" "repeat" "reshape" - ;; "rrspacing" "scale" "scan" "selected_int_kind" "selected_real_kind" - ;; "set_exponent" "shape" "sign" "sin" "sinh" "size" "spacing" "spread" - ;; "sqrt" "sum" "system_clock" "tan" "tanh" "tiny" "transfer" "transpose" - ;; "trim" "ubound" "unpack" "verify") - ;; A left parenthesis to avoid highlighting non-procedures. - ;; Real is taken out here to avoid highlighting declarations. - (concat - "\\<\\(a\\(bs\\|c\\(har\\|os\\)\\|djust[lr]\\|i\\(mag\\|nt\\)\\|ll\\(\\|" - "ocated\\)\\|n\\(int\\|y\\)\\|s\\(in\\|sociated\\)\\|tan2?\\)\\|b\\(" - "it_size\\|test\\)\\|c\\(eiling\\|har\\|mplx\\|o\\(njg\\|sh?\\|unt\\)\\|" - "shift\\)\\|d\\(ate_and_time\\|ble\\|i\\(gits\\|m\\)\\|ot_product\\|prod" - "\\)\\|e\\(oshift\\|psilon\\|xp\\(\\|onent\\)\\)\\|f\\(loor\\|" - "raction\\)\\|huge\\|i\\(a\\(char\\|nd\\)\\|b\\(clr\\|its\\|set\\)\\|" - "char\\|eor\\|n\\(dex\\|t\\)\\|or\\|shftc?\\)\\|kind\\|l\\(bound\\|" - "en\\(\\|_trim\\)\\|g[et]\\|l[et]\\|og\\(\\|10\\|ical\\)\\)\\|m\\(a\\(" - "tmul\\|x\\(\\|exponent\\|loc\\|val\\)\\)\\|erge\\|in\\(\\|exponent\\|" - "loc\\|val\\)\\|od\\(\\|ulo\\)\\|vbits\\)\\|n\\(earest\\|int\\|ot\\)\\|" - "p\\(ack\\|r\\(e\\(cision\\|sent\\)\\|oduct\\)\\)\\|r\\(a\\(dix\\|n\\(" - "dom_\\(number\\|seed\\)\\|ge\\)\\)\\|e\\(peat\\|shape\\)\\|rspacing\\)\\|" - "s\\(ca\\(le\\|n\\)\\|e\\(lected_\\(int_kind\\|real_kind\\)\\|" - "t_exponent\\)\\|hape\\|i\\(gn\\|nh?\\|ze\\)\\|p\\(acing\\|read\\)\\|" - "qrt\\|um\\|ystem_clock\\)\\|t\\(anh?\\|iny\\|r\\(ans\\(fer\\|pose\\)\\|" - "im\\)\\)\\|u\\(bound\\|npack\\)\\|verify\\)[ \t]*(") + (concat "\\<" + (regexp-opt + '("abs" "achar" "acos" "adjustl" "adjustr" "aimag" "aint" + "all" "allocated" "anint" "any" "asin" "associated" + "atan" "atan2" "bit_size" "btest" "ceiling" "char" "cmplx" + "conjg" "cos" "cosh" "count" "cshift" "date_and_time" "dble" + "digits" "dim" "dot_product" "dprod" "eoshift" "epsilon" + "exp" "exponent" "floor" "fraction" "huge" "iachar" "iand" + "ibclr" "ibits" "ibset" "ichar" "ieor" "index" "int" "ior" + "ishft" "ishftc" "kind" "lbound" "len" "len_trim" "lge" "lgt" + "lle" "llt" "log" "log10" "logical" "matmul" "max" + "maxexponent" "maxloc" "maxval" "merge" "min" "minexponent" + "minloc" "minval" "mod" "modulo" "mvbits" "nearest" "nint" + "not" "pack" "precision" "present" "product" "radix" + ;; Real is taken out here to avoid highlighting declarations. + "random_number" "random_seed" "range" ;; "real" + "repeat" "reshape" "rrspacing" "scale" "scan" + "selected_int_kind" "selected_real_kind" "set_exponent" + "shape" "sign" "sin" "sinh" "size" "spacing" "spread" "sqrt" + "sum" "system_clock" "tan" "tanh" "tiny" "transfer" + "transpose" "trim" "ubound" "unpack" "verify" + ;; F95 intrinsic functions. + "null" "cpu_time") t) + ;; A left parenthesis to avoid highlighting non-procedures. + "[ \t]*(") "Regexp whose first part matches F90 intrinsic procedures.") (defconst f90-operators-re -;; "and" "or" "not" "eqv" "neqv" "eq" "ne" "lt" "le" "gt" "ge" "true" "false" - (concat - "\\.\\(and\\|eqv?\\|false\\|g[et]\\|l[et]\\|n\\(e\\(\\|qv\\)\\|" - "ot\\)\\|or\\|true\\)\\.") + (concat "\\." + (regexp-opt '("and" "eq" "eqv" "false" "ge" "gt" "le" "lt" "ne" + "neqv" "not" "or" "true") t) + "\\.") "Regexp matching intrinsic operators.") (defconst f90-hpf-keywords-re - ;; Intrinsic procedures - ;; ("all_prefix" "all_scatter" "all_suffix" "any_prefix" "any_scatter" - ;; "any_suffix" "copy_prefix" "copy_scatter" "copy_suffix" "count_prefix" - ;; "count_scatter" "count_suffix" "grade_down" "grade_up" "hpf_alignment" - ;; "hpf_template" "hpf_distribution" "iall" "iall_prefix" "iall_scatter" - ;; "iall_suffix" "iany" "iany_prefix" "iany_scatter" "iany_suffix" "iparity" - ;; "iparity_prefix" "iparity_scatter" "iparity_suffix" "leadz" - ;; "maxval_prefix" "maxval_scatter" "maxval_suffix" "minval_prefix" - ;; "minval_scatter" "minval_suffix" "parity" "parity_prefix" - ;; "parity_scatter" "parity_suffix" "popcnt" "poppar" "product_prefix" - ;; "product_scatter" "product_suffix" "sum_prefix" "sum_scatter" - ;; "sum_suffix" "ilen" "number_of_processors" "processors_shape") - ;; Directives - ;; ("align" "distribute" "dynamic" "inherit" "template" "processors" - ;; "realign" "redistribute" "independent") - ;; Keywords - ;; ("pure" "extrinsic" "new" "with" "onto" "block" "cyclic") - (concat - "\\<\\(a\\(l\\(ign\\|l_\\(prefix\\|s\\(catter\\|uffix\\)\\)\\)\\|ny_\\(" - "prefix\\|s\\(catter\\|uffix\\)\\)\\)\\|block\\|c\\(o\\(py_\\(prefix\\|" - "s\\(catter\\|uffix\\)\\)\\|unt_\\(prefix\\|s\\(catter\\|uffix\\)\\)\\)\\|" - "yclic\\)\\|d\\(istribute\\|ynamic\\)\\|extrinsic\\|grade_\\(down\\|" - "up\\)\\|hpf_\\(alignment\\|distribution\\|template\\)\\|i\\(a\\(ll\\(\\|" - "_\\(prefix\\|s\\(catter\\|uffix\\)\\)\\)\\|ny\\(\\|_\\(prefix\\|s\\(" - "catter\\|uffix\\)\\)\\)\\)\\|len\\|n\\(dependent\\|herit\\)\\|parity\\(\\|" - "_\\(prefix\\|s\\(catter\\|uffix\\)\\)\\)\\)\\|leadz\\|m\\(axval_\\(" - "prefix\\|s\\(catter\\|uffix\\)\\)\\|inval_\\(prefix\\|s\\(catter\\|" - "uffix\\)\\)\\)\\|n\\(ew\\|umber_of_processors\\)\\|onto\\|p\\(arity\\(\\|" - "_\\(prefix\\|s\\(catter\\|uffix\\)\\)\\)\\|op\\(cnt\\|par\\)\\|ro\\(" - "cessors\\(\\|_shape\\)\\|duct_\\(prefix\\|s\\(catter\\|uffix\\)\\)\\)\\|" - "ure\\)\\|re\\(align\\|distribute\\)\\|sum_\\(prefix\\|s\\(catter\\|" - "uffix\\)\\)\\|template\\|with\\)\\>") + (regexp-opt + ;; Intrinsic procedures. + '("all_prefix" "all_scatter" "all_suffix" "any_prefix" + "any_scatter" "any_suffix" "copy_prefix" "copy_scatter" + "copy_suffix" "count_prefix" "count_scatter" "count_suffix" + "grade_down" "grade_up" + "hpf_alignment" "hpf_distribution" "hpf_template" "iall" "iall_prefix" + "iall_scatter" "iall_suffix" "iany" "iany_prefix" "iany_scatter" + "iany_suffix" "ilen" "iparity" "iparity_prefix" + "iparity_scatter" "iparity_suffix" "leadz" "maxval_prefix" + "maxval_scatter" "maxval_suffix" "minval_prefix" "minval_scatter" + "minval_suffix" "number_of_processors" "parity" + "parity_prefix" "parity_scatter" "parity_suffix" "popcnt" "poppar" + "processors_shape" "product_prefix" "product_scatter" + "product_suffix" "sum_prefix" "sum_scatter" "sum_suffix" + ;; Directives. + "align" "distribute" "dynamic" "independent" "inherit" "processors" + "realign" "redistribute" "template" + ;; Keywords. + "block" "cyclic" "extrinsic" "new" "onto" "pure" "with") 'words) "Regexp for all HPF keywords, procedures and directives.") -;; Highlighting patterns +;; Highlighting patterns. (defvar f90-font-lock-keywords-1 - (if (string-match "XEmacs" emacs-version) - (list ; XEmacs - '("\\<\\(end[ \t]*\\(program\\|module\\|function\\|subroutine\\|type\\)\\)\\>" - 1 font-lock-keyword-face) - '("\\<\\(end[ \t]*\\(program\\|module\\|function\\|subroutine\\|type\\)\\)\\>[ \t]*\\(\\sw+\\)" - 3 font-lock-function-name-face) - '("\\<\\(program\\|call\\|module\\|subroutine\\|function\\|use\\)\\>" - 1 font-lock-keyword-face) - '("\\<\\(program\\|call\\|module\\|subroutine\\|function\\|use\\)\\>[ \t]*\\(\\sw+\\)" - 2 font-lock-function-name-face nil t) - ;; Special highlighting of "module procedure foo-list" - '("\\<\\(module[ \t]*procedure\\)\\>" 1 font-lock-keyword-face t) - ;; Highlight definition of new type - '("\\<\\(type\\)[ \t]*\\(,.*::[ \t]*\\|[ \t]+\\)\\(\\sw+\\)" - 1 font-lock-keyword-face) - '("\\<\\(type\\)[ \t]*\\(,.*::[ \t]*\\|[ \t]+\\)\\(\\sw+\\)" - 3 font-lock-function-name-face) - "\\<\\(\\(end[ \t]*\\)?\\(interface\\|block[ \t]*data\\)\\|contains\\)\\>") - (list ; Emacs - '("\\<\\(end[ \t]*\\(program\\|module\\|function\\|subroutine\\|type\\)\\)\\>[ \t]*\\(\\sw+\\)?" - (1 font-lock-keyword-face) (3 font-lock-function-name-face nil t)) - '("\\<\\(program\\|call\\|module\\|subroutine\\|function\\|use\\)\\>[ \t]*\\(\\sw+\\)?" - (1 font-lock-keyword-face) (2 font-lock-function-name-face nil t)) - ;; Special highlighting of "module procedure foo-list" - '("\\<\\(module[ \t]*procedure\\)\\>" (1 font-lock-keyword-face t)) - ;; Highlight definition of new type - '("\\<\\(type\\)[ \t]*\\(,.*::[ \t]*\\|[ \t]+\\)\\(\\sw+\\)" - (1 font-lock-keyword-face) (3 font-lock-function-name-face)) - "\\<\\(\\(end[ \t]*\\)?\\(interface\\|block[ \t]*data\\)\\|contains\\)\\>")) + (list + ;; Special highlighting of "module procedure". + '("\\<\\(module[ \t]*procedure\\)\\>" (1 font-lock-keyword-face)) + ;; Highlight definition of derived type. + '("\\<\\(\\(?:end[ \t]*\\)?type\\)\\>\\([^()\n]*::\\)?[ \t]*\\(\\sw+\\)" + (1 font-lock-keyword-face) (3 font-lock-function-name-face)) + ;; Other functions and declarations. + '("\\<\\(\\(?:end[ \t]*\\)?\\(program\\|module\\|function\\|\ +subroutine\\)\\|use\\|call\\)\\>[ \t]*\\(\\sw+\\)?" + (1 font-lock-keyword-face) (3 font-lock-function-name-face nil t)) + "\\<\\(\\(end[ \t]*\\)?\\(interface\\|block[ \t]*data\\)\\|contains\\)\\>") "This does fairly subdued highlighting of comments and function calls.") (defvar f90-font-lock-keywords-2 - (append f90-font-lock-keywords-1 - (if (string-match "XEmacs" emacs-version) - (list ; XEmacs - ;; Variable declarations (avoid the real function call) - '("^[ \t0-9]*\\(real\\|integer\\|c\\(haracter\\|omplex\\)\\|logical\\|type[ \t]*(\\sw+)\\)" - 1 font-lock-type-face) - '("^[ \t0-9]*\\(real\\|integer\\|c\\(haracter\\|omplex\\)\\|logical\\|type[ \t]*(\\sw+)\\)\\(.*::\\|[ \t]*(.*)\\)?\\(.*\\)" - 4 font-lock-doc-string-face) - ;; do, if and select constructs - '("\\<\\(end[ \t]*\\(do\\|if\\|select\\)\\)\\>" - 1 font-lock-keyword-face) - '("\\<\\(end[ \t]*\\(do\\|if\\|select\\)\\)\\>\\([ \t]+\\(\\sw+\\)\\)" - 3 font-lock-doc-string-face) - '("^[ \t0-9]*\\(\\(\\sw+\\)[ \t]*:[ \t]*\\)\\(\\(if\\|do\\([ \t]*while\\)?\\|select[ \t]*case\\)\\)\\>" - 2 font-lock-doc-string-face) - '("^[ \t0-9]*\\(\\(\\sw+\\)[ \t]*:[ \t]*\\)?\\(\\(if\\|do\\([ \t]*while\\)?\\|select[ \t]*case\\)\\)\\>" - 3 font-lock-keyword-face) - ;; implicit declaration - '("\\<\\(implicit\\)[ \t]*\\(real\\|integer\\|c\\(haracter\\|omplex\\)\\|logical\\|type[ \t]*(\\sw+)\\|none\\)\\>" - 1 font-lock-keyword-face) - '("\\<\\(implicit\\)[ \t]*\\(real\\|integer\\|c\\(haracter\\|omplex\\)\\|logical\\|type[ \t]*(\\sw+)\\|none\\)\\>" - 2 font-lock-type-face) - '("\\<\\(namelist\\|common\\)[ \t]*\/\\(\\sw+\\)?\/" - 1 font-lock-keyword-face) - '("\\<\\(namelist\\|common\\)[ \t]*\/\\(\\sw+\\)\/" - 2 font-lock-doc-string-face nil t) - '("\\<\\(where\\|forall\\)[ \t]*(" . 1) - "\\" - "\\<\\(then\\|continue\\|format\\|include\\|stop\\|return\\)\\>" - '("\\<\\(exit\\|cycle\\)\\>" - 1 font-lock-keyword-face) - '("\\<\\(exit\\|cycle\\)[ \t]*\\(\\sw+\\)2\\>" - 2 font-lock-doc-string-face) - '("\\<\\(case\\)[ \t]*\\(default\\|(\\)" . 1) - '("\\<\\(do\\|go *to\\)\\>[ \t]*\\([0-9]+\\)" - 1 font-lock-keyword-face) - '("\\<\\(do\\|go *to\\)\\>[ \t]*\\([0-9]+\\)" - 2 font-lock-doc-string-face) - '("^[ \t]*\\([0-9]+\\)" 1 font-lock-doc-string-face t)) - (list ; Emacs - ;; Variable declarations (avoid the real function call) - '("^[ \t0-9]*\\(real\\|integer\\|c\\(haracter\\|omplex\\)\\|logical\\|type[ \t]*(\\sw+)\\)\\(.*::\\|[ \t]*(.*)\\)?\\(.*\\)" - (1 font-lock-type-face) (4 font-lock-variable-name-face)) - ;; do, if and select constructs - '("\\<\\(end[ \t]*\\(do\\|if\\|select\\)\\)\\>\\([ \t]+\\(\\sw+\\)\\)?" - (1 font-lock-keyword-face) (3 font-lock-reference-face nil t)) - '("^[ \t0-9]*\\(\\(\\sw+\\)[ \t]*:[ \t]*\\)?\\(\\(if\\|do\\([ \t]*while\\)?\\|select[ \t]*case\\)\\)\\>" - (2 font-lock-reference-face nil t) (3 font-lock-keyword-face)) - ;; implicit declaration - '("\\<\\(implicit\\)[ \t]*\\(real\\|integer\\|c\\(haracter\\|omplex\\)\\|logical\\|type[ \t]*(\\sw+)\\|none\\)\\>" (1 font-lock-keyword-face) (2 font-lock-type-face)) - '("\\<\\(namelist\\|common\\)[ \t]*\/\\(\\sw+\\)?\/" (1 font-lock-keyword-face) (2 font-lock-reference-face nil t)) - '("\\<\\(where\\|forall\\)[ \t]*(" . 1) - "\\" - "\\<\\(then\\|continue\\|format\\|include\\|stop\\|return\\)\\>" - '("\\<\\(exit\\|cycle\\)[ \t]*\\(\\sw+\\)?\\>" - (1 font-lock-keyword-face) (2 font-lock-reference-face nil t)) - '("\\<\\(case\\)[ \t]*\\(default\\|(\\)" . 1) - '("\\<\\(do\\|go *to\\)\\>[ \t]*\\([0-9]+\\)" - (1 font-lock-keyword-face) (2 font-lock-reference-face)) - '("^[ \t]*\\([0-9]+\\)" (1 font-lock-reference-face t))))) - "Highlights declarations, do-loops and other constructions") + (append + f90-font-lock-keywords-1 + (list + ;; Variable declarations (avoid the real function call). + '("^[ \t0-9]*\\(real\\|integer\\|c\\(haracter\\|omplex\\)\\|\ +logical\\|type[ \t]*(\\sw+)\\)\\(.*::\\|[ \t]*(.*)\\)?\\([^&!\n]*\\)" + (1 font-lock-type-face t) (4 font-lock-variable-name-face t)) + ;; do, if, select, where, and forall constructs. + '("\\<\\(end[ \t]*\\(do\\|if\\|select\\|forall\\|where\\)\\)\\>\ +\\([ \t]+\\(\\sw+\\)\\)?" + (1 font-lock-keyword-face) (3 font-lock-constant-face nil t)) + '("^[ \t0-9]*\\(\\(\\sw+\\)[ \t]*:[ \t]*\\)?\\(\\(if\\|\ +do\\([ \t]*while\\)?\\|select[ \t]*case\\|where\\|forall\\)\\)\\>" + (2 font-lock-constant-face nil t) (3 font-lock-keyword-face)) + ;; Implicit declaration. + '("\\<\\(implicit\\)[ \t]*\\(real\\|integer\\|c\\(haracter\\|omplex\\)\ +\\|logical\\|type[ \t]*(\\sw+)\\|none\\)[ \t]*" + (1 font-lock-keyword-face) (2 font-lock-type-face)) + '("\\<\\(namelist\\|common\\)[ \t]*\/\\(\\sw+\\)?\/" + (1 font-lock-keyword-face) (2 font-lock-constant-face nil t)) + "\\" + '("\\(&\\)[ \t]*\\(!\\|$\\)" (1 font-lock-keyword-face)) + "\\<\\(then\\|continue\\|format\\|include\\|stop\\|return\\)\\>" + '("\\<\\(exit\\|cycle\\)[ \t]*\\(\\sw+\\)?\\>" + (1 font-lock-keyword-face) (2 font-lock-constant-face nil t)) + '("\\<\\(case\\)[ \t]*\\(default\\|(\\)" . 1) + '("\\<\\(do\\|go *to\\)\\>[ \t]*\\([0-9]+\\)" + (1 font-lock-keyword-face) (2 font-lock-constant-face)) + ;; Line numbers (lines whose first character after number is letter). + '("^[ \t]*\\([0-9]+\\)[ \t]*[a-z]+" (1 font-lock-constant-face t)))) + "Highlights declarations, do-loops and other constructs.") (defvar f90-font-lock-keywords-3 (append f90-font-lock-keywords-2 - (list - f90-keywords-level-3-re - f90-operators-re - (if (string-match "XEmacs" emacs-version) - (append (list f90-procedures-re) '(1 font-lock-keyword-face t)) - (list f90-procedures-re '(1 font-lock-keyword-face t))) - "\\" ; Avoid overwriting real defs. - )) + (list + f90-keywords-level-3-re + f90-operators-re + (list f90-procedures-re '(1 font-lock-keyword-face keep)) + "\\" ; avoid overwriting real defs + )) "Highlights all F90 keywords and intrinsic procedures.") (defvar f90-font-lock-keywords-4 (append f90-font-lock-keywords-3 - (list f90-hpf-keywords-re)) + (list f90-hpf-keywords-re)) "Highlights all F90 and HPF keywords.") (defvar f90-font-lock-keywords - f90-font-lock-keywords-2 - "*Default expressions to highlight in F90 mode.") - -;; hilit19 customization and expressions -(defvar f90-face-string 'named-param "*Face for strings.") -(defvar f90-face-comment 'comment "*Face for comments.") -(defvar f90-face-decl 'include "*Face for declarations.") -(defvar f90-face-prog 'defun "*Face for program blocks.") -(defvar f90-face-label 'Tomato-bold "*Face for labels.") -(defvar f90-face-type 'defun "*Face for type blocks.") -(defvar f90-face-interface 'defun "*Face for interface blocks.") -(defvar f90-face-contains 'defun "*Face for contains statement.") -(defvar f90-face-do 'SteelBlue-bold "*Face for do-structure.") -(defvar f90-face-if 'define "*Face for if-structure.") -(defvar f90-face-select 'define "*Face for select-case structure.") -(defvar f90-face-stop 'defun "*Face for stop and return.") -(defvar f90-face-exit 'SteelBlue-bold "*Face for exit and cycle.") -(defvar f90-face-keyword 'struct "*Face for keywords.") -(defvar f90-face-intrinsics 'struct "*Face for intrinsic procedures.") -;; Highlighting for HPF (High-Peformance Fortran) -(defvar f90-face-hpf-procedures 'struct "*Face for hpf procedures.") -(defvar f90-face-hpf-directives 'struct "*Face for hpf directives.") -(defvar f90-face-hpf-keywords 'struct "*Face for hpf keywords.") - -(defvar f90-hilit-patterns - (list - ;; Allow for strings delimited by ' and by " and for multirow strings. - ;; A multi-row string includes &\n& (+ possible whitespace and comments) - (list (concat - "\\(\"[^\"\n]*\\(&[ \t]*\\(![^\n]*\\)?\n[ \t]*&[^\"\n]*\\)*\"" - "\\|'[^'\n]*\\(&[ \t]*\\(![^\n]*\\)?\n[ \t]*&[^'\n]*\\)*'\\)") - nil f90-face-string) - (list "!" "$" f90-face-comment) - (list "\\(\\(real\\|integer\\|character\\|complex\\|logical\ -\\|type[ \t]*(\\sw+)\\).*\\)::" 1 f90-face-decl) - (list "implicit[ \t]*none" nil f90-face-decl) - (list "^[ \t]*\\(program\\|module\\)[ \t]+\\sw+" 1 f90-face-prog) - (list "^[ \t]*\\(program\\|module\\)[ \t]+\\(\\sw+\\)" 2 f90-face-label) - (list "\\(^.*\\(function\\|subroutine\\)\\)[ \t]+\\sw+" 1 - f90-face-prog) - (list "^.*\\(function\\|subroutine\\)[ \t]+\\(\\sw+\\)" 2 - f90-face-label) - (list "^[ \t]*end[ \t]*\\(program\\|module\\|function\ -\\|subroutine\\|type\\)" nil f90-face-prog) - (list (concat "^[ \t]*end[ \t]*\\(program\\|module\\|function\\|" - "subroutine\\|type\\)[ \t]+\\(\\sw+\\)") 2 f90-face-label) - (list "^[ \t]*\\(type\\)[ \t]+\\sw+" 1 f90-face-type) - (list "^[ \t]*type[ \t]+\\(\\sw+\\)" 1 f90-face-label) - (list "^[ \t]*\\(type[ \t]*,[ \t]*\\(private\\|public\\)\\)[ \t]*::[ \t]*\\(\\sw+\\)" 1 f90-face-type) - (list "^[ \t]*\\(type[ \t]*,[ \t]*\\(private\\|public\\)\\)[ \t]*::[ \t]*\\(\\sw+\\)" 3 f90-face-label) - (list "^[ \t]*\\(end[ \t]*\\)?interface\\>" nil f90-face-interface) - (list "^[ \t]*contains\\>" nil f90-face-contains) - (list "^[ \t]*\\(\\sw+[ \t]*:[ \t]*\\)?\\(do\\([ \t]*while\\)?\\)\\>" - 2 f90-face-do) - (list "^[ \t]*\\(\\sw+\\)[ \t]*:[ \t]*\\(do\\([ \t]*while\\)?\\)\\>" 1 - f90-face-label) - (list "^[ \t]*\\(end[ \t]*do\\)\\>" 1 f90-face-do) - (list "^[ \t]*end[ \t]*do[ \t]+\\(\\sw+\\)" 1 f90-face-label) - (list "^[ \t]*\\(\\sw+[ \t]*:[ \t]*\\)?\\(if\\)\\>" 2 f90-face-if) - (list "^[ \t]*\\(\\sw+\\)[ \t]*:[ \t]*if\\>" 1 f90-face-label) - (list "^[ \t]*\\(end[ \t]*if\\)\\>" 1 f90-face-if) - (list "^[ \t]*end[ \t]*if[ \t]+\\(\\sw+\\)" 1 f90-face-label) - (list "^[ \t]*\\(\\sw+[ \t]*:[ \t]*\\)?\\(select[ \t]*case\\)\\>" 2 - f90-face-select) - (list "^[ \t]*\\(\\sw+\\)[ \t]*:[ \t]*\\(select[ \t]*case\\)\\>" 1 - f90-face-label) - (list "^[ \t]*end[ \t]*select\\>" nil f90-face-select) - (list "^[ \t]*end[ \t]*select\\>[ \t]+\\(\\sw+\\)" 1 f90-face-label) - (list "\\(where\\|forall\\)[ \t]*(" 1 f90-face-if) - (list "\\<\\(elsewhere\\|else\\|else[ \t]*if\\)\\>" nil f90-face-if) - (list "\\" nil f90-face-if) - (list "\\" nil f90-face-if) - (list "\\<\\(exit\\|cycle\\)\\>" nil f90-face-exit) - (list "\\<\\(exit\\|cycle\\)[ \t]*\\sw+\\>" nil f90-face-label) - (list "\\<\\(stop\\|return\\)\\>" nil f90-face-stop) - (list "^[ \t]*\\(case\\)[ \t]*\\((\\|default\\)" 1 f90-face-select) - (list (concat "\\<\\("(mapconcat 'identity f90-keywords "\\|") - "\\)\\>") nil f90-face-keyword) - (list (concat "\\<\\("(mapconcat 'identity f90-intrinsic-procedures "\\|") - "\\)\\>") nil f90-face-intrinsics) - (list (concat "\\<\\("(mapconcat 'identity f90-hpf-procedures "\\|") - "\\)\\>") nil f90-face-hpf-procedures) - (list (concat "\\<\\("(mapconcat 'identity f90-hpf-directives "\\|") - "\\)\\>") nil f90-face-hpf-directives) - (list (concat "\\<\\("(mapconcat 'identity f90-hpf-keywords "\\|") - "\\)\\>") nil f90-face-hpf-keywords))) - -;; syntax table -(defvar f90-mode-syntax-table nil - "Syntax table in use in F90 mode buffers.") - -(if f90-mode-syntax-table - () - (setq f90-mode-syntax-table (make-syntax-table)) - (modify-syntax-entry ?\! "<" f90-mode-syntax-table) ; beg. comment - (modify-syntax-entry ?\n ">" f90-mode-syntax-table) ; end comment - (modify-syntax-entry ?_ "w" f90-mode-syntax-table) ; underscore in names - (modify-syntax-entry ?\' "\"" f90-mode-syntax-table) ; string quote - (modify-syntax-entry ?\" "\"" f90-mode-syntax-table) ; string quote - (modify-syntax-entry ?\` "w" f90-mode-syntax-table) ; for abbrevs - (modify-syntax-entry ?\r " " f90-mode-syntax-table) ; return is whitespace - (modify-syntax-entry ?+ "." f90-mode-syntax-table) - (modify-syntax-entry ?- "." f90-mode-syntax-table) - (modify-syntax-entry ?= "." f90-mode-syntax-table) - (modify-syntax-entry ?* "." f90-mode-syntax-table) - (modify-syntax-entry ?/ "." f90-mode-syntax-table) - (modify-syntax-entry ?\\ "/" f90-mode-syntax-table)) ; escape chars - -;; keys -(defvar f90-mode-map () + f90-font-lock-keywords-2 + "*Default expressions to highlight in F90 mode. +Can be overridden by the value of `font-lock-maximum-decoration'.") + + +(defvar f90-mode-syntax-table + (let ((table (make-syntax-table))) + (modify-syntax-entry ?\! "<" table) ; begin comment + (modify-syntax-entry ?\n ">" table) ; end comment + (modify-syntax-entry ?_ "w" table) ; underscore in names + (modify-syntax-entry ?\' "\"" table) ; string quote + (modify-syntax-entry ?\" "\"" table) ; string quote + (modify-syntax-entry ?\` "w" table) ; for abbrevs + (modify-syntax-entry ?\r " " table) ; return is whitespace + (modify-syntax-entry ?+ "." table) ; punctuation + (modify-syntax-entry ?- "." table) + (modify-syntax-entry ?= "." table) + (modify-syntax-entry ?* "." table) + (modify-syntax-entry ?/ "." table) + (modify-syntax-entry ?\\ "\\" table) ; escape chars + table) + "Syntax table used in F90 mode.") + +(defvar f90-mode-map + (let ((map (make-sparse-keymap))) + (define-key map "`" 'f90-abbrev-start) + (define-key map "\C-c;" 'f90-comment-region) + (define-key map "\C-\M-a" 'f90-beginning-of-subprogram) + (define-key map "\C-\M-e" 'f90-end-of-subprogram) + (define-key map "\C-\M-h" 'f90-mark-subprogram) + (define-key map "\C-\M-n" 'f90-end-of-block) + (define-key map "\C-\M-p" 'f90-beginning-of-block) + (define-key map "\C-\M-q" 'f90-indent-subprogram) + (define-key map "\C-j" 'f90-indent-new-line) ; LFD equals C-j + (define-key map "\r" 'newline) + (define-key map "\C-c\r" 'f90-break-line) +;;; (define-key map [M-return] 'f90-break-line) + (define-key map "\C-c\C-a" 'f90-previous-block) + (define-key map "\C-c\C-e" 'f90-next-block) + (define-key map "\C-c\C-d" 'f90-join-lines) + (define-key map "\C-c\C-f" 'f90-fill-region) + (define-key map "\C-c\C-p" 'f90-previous-statement) + (define-key map "\C-c\C-n" 'f90-next-statement) + (define-key map "\C-c\C-w" 'f90-insert-end) + (define-key map "\t" 'f90-indent-line) + (define-key map "," 'f90-electric-insert) + (define-key map "+" 'f90-electric-insert) + (define-key map "-" 'f90-electric-insert) + (define-key map "*" 'f90-electric-insert) + (define-key map "/" 'f90-electric-insert) + + (easy-menu-define f90-menu map "Menu for F90 mode." + `("F90" + ("Customization" + ,(custom-menu-create 'f90) + ["Set" Custom-set t] + ["Save" Custom-save t] + ["Reset to Current" Custom-reset-current t] + ["Reset to Saved" Custom-reset-saved t] + ["Reset to Standard Settings" Custom-reset-standard t] + ) + "--" + ["Indent Subprogram" f90-indent-subprogram t] + ["Mark Subprogram" f90-mark-subprogram t] + ["Beginning of Subprogram" f90-beginning-of-subprogram t] + ["End of Subprogram" f90-end-of-subprogram t] + "--" + ["(Un)Comment Region" f90-comment-region mark-active] + ["Indent Region" f90-indent-region mark-active] + ["Fill Region" f90-fill-region mark-active] + "--" + ["Break Line at Point" f90-break-line t] + ["Join with Previous Line" f90-join-lines t] + ["Insert Block End" f90-insert-end t] + "--" + ("Highlighting" + ["Toggle font-lock-mode" font-lock-mode :selected font-lock-mode + :style toggle] + "--" + ["Light highlighting (level 1)" f90-font-lock-1 t] + ["Moderate highlighting (level 2)" f90-font-lock-2 t] + ["Heavy highlighting (level 3)" f90-font-lock-3 t] + ["Maximum highlighting (level 4)" f90-font-lock-4 t] + ) + ("Change Keyword Case" + ["Upcase Keywords (buffer)" f90-upcase-keywords t] + ["Capitalize Keywords (buffer)" f90-capitalize-keywords t] + ["Downcase Keywords (buffer)" f90-downcase-keywords t] + "--" + ["Upcase Keywords (region)" f90-upcase-region-keywords + mark-active] + ["Capitalize Keywords (region)" f90-capitalize-region-keywords + mark-active] + ["Downcase Keywords (region)" f90-downcase-region-keywords + mark-active] + ) + "--" + ["Toggle auto-fill" auto-fill-mode :selected auto-fill-function + :style toggle] + ["Toggle abbrev-mode" abbrev-mode :selected abbrev-mode + :style toggle] + ["Add imenu Menu" f90-add-imenu-menu + :active (not (lookup-key (current-local-map) [menu-bar index])) + :included (fboundp 'imenu-add-to-menubar)])) + map) "Keymap used in F90 mode.") -(if f90-mode-map - () - (setq f90-mode-map (make-sparse-keymap)) - (define-key f90-mode-map "`" 'f90-abbrev-start) - (define-key f90-mode-map "\C-c;" 'f90-comment-region) - (define-key f90-mode-map "\C-\M-a" 'f90-beginning-of-subprogram) - (define-key f90-mode-map "\C-\M-e" 'f90-end-of-subprogram) - (define-key f90-mode-map "\C-\M-h" 'f90-mark-subprogram) - (define-key f90-mode-map "\C-\M-q" 'f90-indent-subprogram) - (define-key f90-mode-map "\C-j" 'f90-indent-new-line) ; LFD equals C-j - (define-key f90-mode-map "\r" 'newline) - (define-key f90-mode-map "\C-c\r" 'f90-break-line) - ;; (define-key f90-mode-map [M-return] 'f90-break-line) - (define-key f90-mode-map "\C-c\C-d" 'f90-join-lines) - (define-key f90-mode-map "\C-c\C-f" 'f90-fill-region) - (define-key f90-mode-map "\C-c\C-p" 'f90-previous-statement) - (define-key f90-mode-map "\C-c\C-n" 'f90-next-statement) - (define-key f90-mode-map "\C-c\C-w" 'f90-insert-end) - (define-key f90-mode-map "\t" 'f90-indent-line)) - -;; menus -(if (string-match "XEmacs" emacs-version) - (defvar f90-xemacs-menu - '("F90" - ["Indent Subprogram" f90-indent-subprogram t] - ["Mark Subprogram" f90-mark-subprogram t] - ["Beginning of Subprogram" f90-beginning-of-subprogram t] - ["End of Subprogram" f90-end-of-subprogram t] - "-----" - ["(Un)Comment Region" f90-comment-region t] - ["Indent Region" indent-region t] - ["Fill Region" f90-fill-region t] - "-----" - ["Break Line at Point" f90-break-line t] - ["Join with Next Line" f90-join-lines t] - ["Insert Newline" newline t] - ["Insert End" f90-insert-end t] - "-----" - ["Upcase Keywords (buffer)" f90-upcase-keywords t] - ["Upcase Keywords (region)" f90-upcase-region-keywords - t] - ["Capitalize Keywords (buffer)" f90-capitalize-keywords t] - ["Capitalize Keywords (region)" - f90-capitalize-region-keywords t] - ["Downcase Keywords (buffer)" f90-downcase-keywords t] - ["Downcase Keywords (region)" - f90-downcase-region-keywords t] - "-----" - ["Toggle abbrev-mode" abbrev-mode t] - ["Toggle auto-fill" f90-auto-fill-mode t]) - "XEmacs menu for F90 mode.") - ;; Emacs - (define-key f90-mode-map [menu-bar] (make-sparse-keymap)) - (define-key f90-mode-map [menu-bar f90] - (cons "F90" (make-sparse-keymap "f90"))) - (define-key f90-mode-map [menu-bar f90 abbrev-mode] - '("Toggle abbrev-mode" . abbrev-mode)) - (define-key f90-mode-map [menu-bar f90 f90-auto-fill-mode] - '("Toggle auto-fill" . f90-auto-fill-mode)) - (define-key f90-mode-map [menu-bar f90 f90-downcase-region-keywords] - '("Downcase Keywords (region)" . f90-downcase-region-keywords)) - (define-key f90-mode-map [menu-bar f90 f90-downcase-keywords] - '("Downcase Keywords (buffer)" . f90-downcase-keywords)) - (define-key f90-mode-map [menu-bar f90 f90-capitalize-keywords] - '("Capitalize Keywords (region)" . f90-capitalize-region-keywords)) - (define-key f90-mode-map [menu-bar f90 f90-capitalize-region-keywords] - '("Capitalize Keywords (buffer)" . f90-capitalize-keywords)) - (define-key f90-mode-map [menu-bar f90 f90-upcase-region-keywords] - '("Upcase Keywords (region)" . f90-upcase-region-keywords)) - (define-key f90-mode-map [menu-bar f90 f90-upcase-keywords] - '("Upcase Keywords (buffer)" . f90-upcase-keywords)) - (define-key f90-mode-map [menu-bar f90 f90-insert-end] - '("Insert end" . f90-insert-end)) - (define-key f90-mode-map [menu-bar f90 f90-join-lines] - '("Join with Next Line" . f90-join-lines)) - (define-key f90-mode-map [menu-bar f90 f90-break-line] - '("Break Line at Point" . f90-break-line)) - (define-key f90-mode-map [menu-bar f90 f90-fill-region] - '("Fill Region" . f90-fill-region)) - (define-key f90-mode-map [menu-bar f90 indent-region] - '("Indent Region" . indent-region)) - (define-key f90-mode-map [menu-bar f90 f90-comment-region] - '("(Un)Comment Region" . f90-comment-region)) - (define-key f90-mode-map [menu-bar f90 f90-end-of-subprogram] - '("End of Subprogram" . f90-end-of-subprogram)) - (define-key f90-mode-map [menu-bar f90 f90-beginning-of-subprogram] - '("Beginning of Subprogram" . f90-beginning-of-subprogram)) - (define-key f90-mode-map [menu-bar f90 f90-mark-subprogram] - '("Mark Subprogram" . f90-mark-subprogram)) - (define-key f90-mode-map [menu-bar f90 f90-indent-subprogram] - '("Indent Subprogram" . f90-indent-subprogram))) - + +(defun f90-font-lock-1 () + "Set `font-lock-keywords' to `f90-font-lock-keywords-1'." + (interactive) + (font-lock-mode 1) + (setq font-lock-keywords f90-font-lock-keywords-1) + (font-lock-fontify-buffer)) + +(defun f90-font-lock-2 () + "Set `font-lock-keywords' to `f90-font-lock-keywords-2'." + (interactive) + (font-lock-mode 1) + (setq font-lock-keywords f90-font-lock-keywords-2) + (font-lock-fontify-buffer)) + +(defun f90-font-lock-3 () + "Set `font-lock-keywords' to `f90-font-lock-keywords-3'." + (interactive) + (font-lock-mode 1) + (setq font-lock-keywords f90-font-lock-keywords-3) + (font-lock-fontify-buffer)) + +(defun f90-font-lock-4 () + "Set `font-lock-keywords' to `f90-font-lock-keywords-4'." + (interactive) + (font-lock-mode 1) + (setq font-lock-keywords f90-font-lock-keywords-4) + (font-lock-fontify-buffer)) + + ;; Regexps for finding program structures. -(defconst f90-blocks-re - "\\(block[ \t]*data\\|do\\|if\\|interface\\|function\\|module\\|\ -program\\|select\\|subroutine\\|type\\|where\\|forall\\)\\>") -(defconst f90-program-block-re - "\\(program\\|module\\|subroutine\\|function\\)") -(defconst f90-else-like-re - "\\(else\\([ \t]*if\\|where\\)?\\|case[ \t]*\\(default\\|(\\)\\)") -(defconst f90-end-if-re - "end[ \t]*\\(if\\|select\\|where\\|forall\\)\\>") -(defconst f90-end-type-re - "end[ \t]*\\(type\\|interface\\|block[ \t]*data\\)") +(defconst f90-blocks-re + (concat "\\(block[ \t]*data\\|" + (regexp-opt '("do" "if" "interface" "function" "module" "program" + "select" "subroutine" "type" "where" "forall")) + "\\)\\>") + "Regexp potentially indicating a \"block\" of F90 code.") + +(defconst f90-program-block-re + (regexp-opt '("program" "module" "subroutine" "function") 'paren) + "Regexp used to locate the start/end of a \"subprogram\".") + +(defconst f90-else-like-re + "\\(else\\([ \t]*if\\|where\\)?\\|case[ \t]*\\(default\\|(\\)\\)" + "Regexp matching an ELSE IF, ELSEWHERE, CASE statement.") + +(defconst f90-end-if-re + (concat "end[ \t]*" + (regexp-opt '("if" "select" "where" "forall") 'paren) + "\\>") + "Regexp matching the end of an IF, SELECT, WHERE, FORALL block.") + +(defconst f90-end-type-re + "end[ \t]*\\(type\\|interface\\|block[ \t]*data\\)\\>" + "Regexp matching the end of a TYPE, INTERFACE, BLOCK DATA section.") + (defconst f90-type-def-re - "\\<\\(type\\)[ \t]*\\(,.*::[ \t]*\\|[ \t]+\\)\\(\\sw+\\)") -(defconst f90-no-break-re "\\(\\*\\*\\|//\\|=>\\)") -;; A temporary position to make region operators faster -(defvar f90-cache-position nil) + "\\<\\(type\\)\\>\\(?:[^()\n]*::\\)?[ \t]*\\(\\sw+\\)" + "Regexp matching the definition of a derived type.") + +(defconst f90-no-break-re + (regexp-opt '("**" "//" "=>") 'paren) + "Regexp specifying where not to break lines when filling.") + +(defvar f90-cache-position nil + "Temporary position used to speed up region operations.") (make-variable-buffer-local 'f90-cache-position) -;; Imenu support + +;; Imenu support. (defvar f90-imenu-generic-expression - (cons - (concat - "^[ \t0-9]*\\(" - "program[ \t]+\\(\\sw+\\)\\|" - "module[ \t]+\\(\\sw+\\)[ \t]*\\(!\\|$\\)\\|" - "\\(pure\\|recursive\\|extrinsic([^)]+)\\)?[ \t]*" - "subroutine[ \t]+\\(\\sw+\\)\\|" - ; avoid end function, but allow for most other things - "\\([^!]*\\([^e!].[^ \t!]\\|.[^n!][^ \t!]\\|..[^d \t!]\\)" - "\\|[^!]?[^!]?\\)[ \t]*function[ \t]+\\(\\sw+\\)" - "\\)") - (list 2 3 6 9)) - "imenu generic expression for F90 mode.") - -;; When compiling under GNU Emacs, load imenu during compilation. If -;; you have 19.22 or earlier, comment this out, or get imenu. -(and (fboundp 'eval-when-compile) - (eval-when-compile - (if (not (string-match "XEmacs" emacs-version)) - (require 'imenu)) - ())) - + (let ((good-char "[^!\"\&\n \t]") (not-e "[^e!\n\"\& \t]") + (not-n "[^n!\n\"\& \t]") (not-d "[^d!\n\"\& \t]")) + (list + '(nil "^[ \t0-9]*program[ \t]+\\(\\sw+\\)" 1) + '("Modules" "^[ \t0-9]*module[ \t]+\\(\\sw+\\)[ \t]*\\(!\\|$\\)" 1) + '("Types" "^[ \t0-9]*type[ \t]+\\(\\sw+\\)" 1) + (list + "Procedures" + (concat + "^[ \t0-9]*" + "\\(" + ;; At least three non-space characters before function/subroutine. + ;; Check that the last three non-space characters do not spell E N D. + "[^!\"\&\n]*\\(" + not-e good-char good-char "\\|" + good-char not-n good-char "\\|" + good-char good-char not-d "\\)" + "\\|" + ;; Less than three non-space characters before function/subroutine. + good-char "?" good-char "?" + "\\)" + "[ \t]*\\(function\\|subroutine\\)[ \t]+\\(\\sw+\\)") + 4))) + "Value for `imenu-generic-expression' in F90 mode.") + +(defun f90-add-imenu-menu () + "Add an imenu menu to the menubar." + (interactive) + (if (lookup-key (current-local-map) [menu-bar index]) + (message "%s" "F90-imenu already exists.") + (imenu-add-to-menubar "F90-imenu") + (redraw-frame (selected-frame)))) -;; abbrevs have generally two letters, except standard types `c, `i, `r, `t -(defvar f90-mode-abbrev-table nil) -(if f90-mode-abbrev-table - () - (let ((ac abbrevs-changed)) - (define-abbrev-table 'f90-mode-abbrev-table ()) - (define-abbrev f90-mode-abbrev-table "`al" "allocate" nil) - (define-abbrev f90-mode-abbrev-table "`ab" "allocatable" nil) - (define-abbrev f90-mode-abbrev-table "`as" "assignment" nil) - (define-abbrev f90-mode-abbrev-table "`ba" "backspace" nil) - (define-abbrev f90-mode-abbrev-table "`bd" "block data" nil) - (define-abbrev f90-mode-abbrev-table "`c" "character" nil) - (define-abbrev f90-mode-abbrev-table "`cl" "close" nil) - (define-abbrev f90-mode-abbrev-table "`cm" "common" nil) - (define-abbrev f90-mode-abbrev-table "`cx" "complex" nil) - (define-abbrev f90-mode-abbrev-table "`cn" "contains" nil) - (define-abbrev f90-mode-abbrev-table "`cy" "cycle" nil) - (define-abbrev f90-mode-abbrev-table "`de" "deallocate" nil) - (define-abbrev f90-mode-abbrev-table "`df" "define" nil) - (define-abbrev f90-mode-abbrev-table "`di" "dimension" nil) - (define-abbrev f90-mode-abbrev-table "`dw" "do while" nil) - (define-abbrev f90-mode-abbrev-table "`el" "else" nil) - (define-abbrev f90-mode-abbrev-table "`eli" "else if" nil) - (define-abbrev f90-mode-abbrev-table "`elw" "elsewhere" nil) - (define-abbrev f90-mode-abbrev-table "`eq" "equivalence" nil) - (define-abbrev f90-mode-abbrev-table "`ex" "external" nil) - (define-abbrev f90-mode-abbrev-table "`ey" "entry" nil) - (define-abbrev f90-mode-abbrev-table "`fl" "forall" nil) - (define-abbrev f90-mode-abbrev-table "`fo" "format" nil) - (define-abbrev f90-mode-abbrev-table "`fu" "function" nil) - (define-abbrev f90-mode-abbrev-table "`fa" ".false." nil) - (define-abbrev f90-mode-abbrev-table "`im" "implicit none" nil) - (define-abbrev f90-mode-abbrev-table "`in " "include" nil) - (define-abbrev f90-mode-abbrev-table "`i" "integer" nil) - (define-abbrev f90-mode-abbrev-table "`it" "intent" nil) - (define-abbrev f90-mode-abbrev-table "`if" "interface" nil) - (define-abbrev f90-mode-abbrev-table "`lo" "logical" nil) - (define-abbrev f90-mode-abbrev-table "`mo" "module" nil) - (define-abbrev f90-mode-abbrev-table "`na" "namelist" nil) - (define-abbrev f90-mode-abbrev-table "`nu" "nullify" nil) - (define-abbrev f90-mode-abbrev-table "`op" "optional" nil) - (define-abbrev f90-mode-abbrev-table "`pa" "parameter" nil) - (define-abbrev f90-mode-abbrev-table "`po" "pointer" nil) - (define-abbrev f90-mode-abbrev-table "`pr" "print" nil) - (define-abbrev f90-mode-abbrev-table "`pi" "private" nil) - (define-abbrev f90-mode-abbrev-table "`pm" "program" nil) - (define-abbrev f90-mode-abbrev-table "`pu" "public" nil) - (define-abbrev f90-mode-abbrev-table "`r" "real" nil) - (define-abbrev f90-mode-abbrev-table "`rc" "recursive" nil) - (define-abbrev f90-mode-abbrev-table "`rt" "return" nil) - (define-abbrev f90-mode-abbrev-table "`rw" "rewind" nil) - (define-abbrev f90-mode-abbrev-table "`se" "select" nil) - (define-abbrev f90-mode-abbrev-table "`sq" "sequence" nil) - (define-abbrev f90-mode-abbrev-table "`su" "subroutine" nil) - (define-abbrev f90-mode-abbrev-table "`ta" "target" nil) - (define-abbrev f90-mode-abbrev-table "`tr" ".true." nil) - (define-abbrev f90-mode-abbrev-table "`t" "type" nil) - (define-abbrev f90-mode-abbrev-table "`wh" "where" nil) - (define-abbrev f90-mode-abbrev-table "`wr" "write" nil) - (setq abbrevs-changed ac))) +;; Abbrevs have generally two letters, except standard types `c, `i, `r, `t. +(defvar f90-mode-abbrev-table + (let (abbrevs-changed) + (define-abbrev-table 'f90-mode-abbrev-table nil) + ;; Use the 6th arg (SYSTEM-FLAG) of define-abbrev if possible. + ;; A little baroque to quieten the byte-compiler. + (mapcar + (function (lambda (element) + (condition-case nil + (apply 'define-abbrev f90-mode-abbrev-table + (append element '(nil 0 t))) + (wrong-number-of-arguments + (apply 'define-abbrev f90-mode-abbrev-table + (append element '(nil 0))))))) + '(("`al" "allocate" ) + ("`ab" "allocatable" ) + ("`as" "assignment" ) + ("`ba" "backspace" ) + ("`bd" "block data" ) + ("`c" "character" ) + ("`cl" "close" ) + ("`cm" "common" ) + ("`cx" "complex" ) + ("`cn" "contains" ) + ("`cy" "cycle" ) + ("`de" "deallocate" ) + ("`df" "define" ) + ("`di" "dimension" ) + ("`dw" "do while" ) + ("`el" "else" ) + ("`eli" "else if" ) + ("`elw" "elsewhere" ) + ("`eq" "equivalence" ) + ("`ex" "external" ) + ("`ey" "entry" ) + ("`fl" "forall" ) + ("`fo" "format" ) + ("`fu" "function" ) + ("`fa" ".false." ) + ("`im" "implicit none") + ("`in" "include" ) + ("`i" "integer" ) + ("`it" "intent" ) + ("`if" "interface" ) + ("`lo" "logical" ) + ("`mo" "module" ) + ("`na" "namelist" ) + ("`nu" "nullify" ) + ("`op" "optional" ) + ("`pa" "parameter" ) + ("`po" "pointer" ) + ("`pr" "print" ) + ("`pi" "private" ) + ("`pm" "program" ) + ("`pu" "public" ) + ("`r" "real" ) + ("`rc" "recursive" ) + ("`rt" "return" ) + ("`rw" "rewind" ) + ("`se" "select" ) + ("`sq" "sequence" ) + ("`su" "subroutine" ) + ("`ta" "target" ) + ("`tr" ".true." ) + ("`t" "type" ) + ("`wh" "where" ) + ("`wr" "write" ))) + f90-mode-abbrev-table) + "Abbrev table for F90 mode.") + ;;;###autoload (defun f90-mode () - "Major mode for editing Fortran 90 code in free format. + "Major mode for editing Fortran 90,95 code in free format. +For fixed format code, use `fortran-mode'. -\\[f90-indent-new-line] corrects current indentation and creates new\ +\\[f90-indent-line] indents the current line. +\\[f90-indent-new-line] indents current line and creates a new\ indented line. -\\[f90-indent-line] indents the current line correctly. -\\[f90-indent-subprogram] indents the current subprogram. +\\[f90-indent-subprogram] indents the current subprogram. Type `? or `\\[help-command] to display a list of built-in\ abbrevs for F90 keywords. @@ -765,118 +707,96 @@ Key definitions: Variables controlling indentation style and extra features: - f90-do-indent - Extra indentation within do blocks. (default 3) - f90-if-indent - Extra indentation within if/select case/where/forall blocks. (default 3) - f90-type-indent - Extra indentation within type/interface/block-data blocks. (default 3) - f90-program-indent - Extra indentation within program/module/subroutine/function blocks. - (default 2) - f90-continuation-indent - Extra indentation applied to continuation lines. (default 5) - f90-comment-region - String inserted by \\[f90-comment-region] at start of each line in - region. (default \"!!!$\") - f90-indented-comment-re - Regexp determining the type of comment to be intended like code. - (default \"!\") - f90-directive-comment-re - Regexp of comment-like directive like \"!HPF\\\\$\", not to be indented. - (default \"!hpf\\\\$\") - f90-break-delimiters - Regexp holding list of delimiters at which lines may be broken. - (default \"[-+*/><=,% \\t]\") - f90-break-before-delimiters - Non-nil causes `f90-do-auto-fill' to break lines before delimiters. - (default t) - f90-beginning-ampersand - Automatic insertion of \& at beginning of continuation lines. (default t) - f90-smart-end - From an END statement, check and fill the end using matching block start. - Allowed values are 'blink, 'no-blink, and nil, which determine - whether to blink the matching beginning.) (default 'blink) - f90-auto-keyword-case - Automatic change of case of keywords. (default nil) - The possibilities are 'downcase-word, 'upcase-word, 'capitalize-word. - f90-leave-line-no - Do not left-justify line numbers. (default nil) - f90-startup-message - Set to nil to inhibit message first time F90 mode is used. (default t) - f90-keywords - List of keywords used for highlighting/upcase-keywords etc. +`f90-do-indent' + Extra indentation within do blocks (default 3). +`f90-if-indent' + Extra indentation within if/select case/where/forall blocks (default 3). +`f90-type-indent' + Extra indentation within type/interface/block-data blocks (default 3). +`f90-program-indent' + Extra indentation within program/module/subroutine/function blocks + (default 2). +`f90-continuation-indent' + Extra indentation applied to continuation lines (default 5). +`f90-comment-region' + String inserted by function \\[f90-comment-region] at start of each + line in region (default \"!!!$\"). +`f90-indented-comment-re' + Regexp determining the type of comment to be intended like code + (default \"!\"). +`f90-directive-comment-re' + Regexp of comment-like directive like \"!HPF\\\\$\", not to be indented + (default \"!hpf\\\\$\"). +`f90-break-delimiters' + Regexp holding list of delimiters at which lines may be broken + (default \"[-+*/><=,% \\t]\"). +`f90-break-before-delimiters' + Non-nil causes `f90-do-auto-fill' to break lines before delimiters + (default t). +`f90-beginning-ampersand' + Automatic insertion of \& at beginning of continuation lines (default t). +`f90-smart-end' + From an END statement, check and fill the end using matching block start. + Allowed values are 'blink, 'no-blink, and nil, which determine + whether to blink the matching beginning (default 'blink). +`f90-auto-keyword-case' + Automatic change of case of keywords (default nil). + The possibilities are 'downcase-word, 'upcase-word, 'capitalize-word. +`f90-leave-line-no' + Do not left-justify line numbers (default nil). +`f90-keywords-re' + List of keywords used for highlighting/upcase-keywords etc. Turning on F90 mode calls the value of the variable `f90-mode-hook' with no args, if that value is non-nil." (interactive) (kill-all-local-variables) - (setq major-mode 'f90-mode) - (setq mode-name "F90") - (setq local-abbrev-table f90-mode-abbrev-table) + (setq major-mode 'f90-mode + mode-name "F90" + local-abbrev-table f90-mode-abbrev-table) (set-syntax-table f90-mode-syntax-table) (use-local-map f90-mode-map) - (make-local-variable 'indent-line-function) - (setq indent-line-function 'f90-indent-line) - (make-local-variable 'indent-region-function) - (setq indent-region-function 'f90-indent-region) - (make-local-variable 'require-final-newline) - (setq require-final-newline t) - (make-local-variable 'comment-start) - (setq comment-start "!") - (make-local-variable 'comment-start-skip) - (setq comment-start-skip "!+ *") - (make-local-variable 'comment-indent-function) - (setq comment-indent-function 'f90-comment-indent) - (make-local-variable 'abbrev-all-caps) - (setq abbrev-all-caps t) - (setq indent-tabs-mode nil) - - (if (fboundp 'hilit-set-mode-patterns) - (hilit-set-mode-patterns - 'f90-mode f90-hilit-patterns nil 'case-insensitive)) - ;; Setting up things for font-lock - (if (string-match "Xemacs" emacs-version) - (progn - (put 'f90-mode 'font-lock-keywords-case-fold-search t) - (if (and current-menubar - (not (assoc "F90" current-menubar))) - (progn - (set-buffer-menubar (copy-sequence current-menubar)) - (add-submenu nil f90-xemacs-menu))) - (make-local-variable 'font-lock-keywords) - (setq font-lock-keywords f90-font-lock-keywords)) - ;; Emacs - (make-local-variable 'font-lock-defaults) - (setq font-lock-defaults - '((f90-font-lock-keywords f90-font-lock-keywords-1 - f90-font-lock-keywords-2 - f90-font-lock-keywords-3 - f90-font-lock-keywords-4) - nil t)) - ;; Tell imenu how to handle f90. - (make-local-variable 'imenu-generic-expression) - (setq imenu-generic-expression f90-imenu-generic-expression)) - (run-hooks 'f90-mode-hook) - (if f90-startup-message - (message "Emacs F90 mode; please report bugs to %s" bug-f90-mode)) - (setq f90-startup-message nil)) - -;; inline-functions -(defsubst f90-get-beg-of-line () - (save-excursion (beginning-of-line) (point))) - -(defsubst f90-get-end-of-line () - (save-excursion (end-of-line) (point))) + (set (make-local-variable 'indent-line-function) 'f90-indent-line) + (set (make-local-variable 'indent-region-function) 'f90-indent-region) + (set (make-local-variable 'require-final-newline) t) + (set (make-local-variable 'comment-start) "!") + (set (make-local-variable 'comment-start-skip) "!+ *") + (set (make-local-variable 'comment-indent-function) 'f90-comment-indent) + (set (make-local-variable 'abbrev-all-caps) t) + (set (make-local-variable 'normal-auto-fill-function) 'f90-do-auto-fill) + (setq indent-tabs-mode nil) ; auto buffer local + (set (make-local-variable 'font-lock-defaults) + '((f90-font-lock-keywords f90-font-lock-keywords-1 + f90-font-lock-keywords-2 + f90-font-lock-keywords-3 + f90-font-lock-keywords-4) + nil t)) + (set (make-local-variable 'imenu-case-fold-search) t) + (set (make-local-variable 'imenu-generic-expression) + f90-imenu-generic-expression) + (set (make-local-variable 'beginning-of-defun-function) + 'f90-beginning-of-subprogram) + (set (make-local-variable 'end-of-defun-function) 'f90-end-of-subprogram) + (set (make-local-variable 'add-log-current-defun-function) + #'f90-current-defun) + (run-hooks 'f90-mode-hook)) + +;; Inline-functions. (defsubst f90-in-string () + "Return non-nil if point is inside a string. +Checks from `point-min', or `f90-cache-position', if that is non-nil +and lies before point." (let ((beg-pnt (if (and f90-cache-position (> (point) f90-cache-position)) f90-cache-position (point-min)))) (nth 3 (parse-partial-sexp beg-pnt (point))))) - + (defsubst f90-in-comment () + "Return non-nil if point is inside a comment. +Checks from `point-min', or `f90-cache-position', if that is non-nil +and lies before point." (let ((beg-pnt (if (and f90-cache-position (> (point) f90-cache-position)) f90-cache-position @@ -884,197 +804,208 @@ with no args, if that value is non-nil." (nth 4 (parse-partial-sexp beg-pnt (point))))) (defsubst f90-line-continued () + "Return t if the current line is a continued one. +This includes comment lines embedded in continued lines, but +not the last line of a continued statement." (save-excursion - (let ((bol (f90-get-beg-of-line))) - (end-of-line) - (while (f90-in-comment) - (search-backward "!" bol) - (skip-chars-backward "!")) - (skip-chars-backward " \t") - (= (preceding-char) ?&)))) - + (beginning-of-line) + (while (and (looking-at "[ \t]*\\(!\\|$\\)") (zerop (forward-line -1)))) + (end-of-line) + (while (f90-in-comment) + (search-backward "!" (line-beginning-position)) + (skip-chars-backward "!")) + (skip-chars-backward " \t") + (= (preceding-char) ?&))) + +;; GM this is not right, eg a continuation line starting with a number. +;; Need f90-code-start-position function. +;; And yet, things seems to work with this... +;; cf f90-indent-line +;; (beginning-of-line) ; digits after & \n are not line-nos +;; (if (not (save-excursion (and (f90-previous-statement) +;; (f90-line-continued)))) +;; (f90-indent-line-no) (defsubst f90-current-indentation () "Return indentation of current line. Line-numbers are considered whitespace characters." - (save-excursion - (beginning-of-line) (skip-chars-forward " \t0-9") - (current-column))) + (save-excursion (beginning-of-line) (skip-chars-forward " \t0-9"))) (defsubst f90-indent-to (col &optional no-line-number) "Indent current line to column COL. -If no-line-number nil, jump over a possible line-number." +If optional argument NO-LINE-NUMBER is nil, jump over a possible +line-number before indenting." (beginning-of-line) - (if (not no-line-number) + (or no-line-number (skip-chars-forward " \t0-9")) (delete-horizontal-space) - (if (zerop (current-column)) - (indent-to col) - (indent-to col 1))) - -(defsubst f90-match-piece (arg) - (if (match-beginning arg) - (buffer-substring (match-beginning arg) (match-end arg)))) + ;; Leave >= 1 space after line number. + (indent-to col (if (zerop (current-column)) 0 1))) (defsubst f90-get-present-comment-type () + "If point lies within a comment, return the string starting the comment. +For example, \"!\" or \"!!\"." (save-excursion - (let ((type nil) (eol (f90-get-end-of-line))) - (if (f90-in-comment) - (progn - (beginning-of-line) - (re-search-forward "[!]+" eol) - (while (f90-in-string) - (re-search-forward "[!]+" eol)) - (setq type (buffer-substring (match-beginning 0) (match-end 0))))) - type))) + (when (f90-in-comment) + (beginning-of-line) + (re-search-forward "!+" (line-end-position)) + (while (f90-in-string) + (re-search-forward "!+" (line-end-position))) + (match-string 0)))) (defsubst f90-equal-symbols (a b) - "Compare strings neglecting case and allowing for nil value." - (let ((a-local (if a (downcase a) nil)) - (b-local (if b (downcase b) nil))) - (equal a-local b-local))) - -;; XEmacs 19.11 & 19.12 gives back a single char when matching an empty regular -;; expression. Therefore, the next 2 functions are longer than necessary. + "Compare strings A and B neglecting case and allowing for nil value." + (equal (if a (downcase a) nil) + (if b (downcase b) nil))) (defsubst f90-looking-at-do () - "Return (\"do\" name) if a do statement starts after point. -Name is nil if the statement has no label." - (if (looking-at "\\(\\(\\sw+\\)[ \t]*\:\\)?[ \t]*\\(do\\)\\>") - (let (label - (struct (f90-match-piece 3))) - (if (looking-at "\\(\\sw+\\)[ \t]*\:") - (setq label (f90-match-piece 1))) - (list struct label)))) + "Return (\"do\" NAME) if a do statement starts after point. +NAME is nil if the statement has no label." + (if (looking-at "\\(\\(\\sw+\\)[ \t]*:\\)?[ \t]*\\(do\\)\\>") + (list (match-string 3) (match-string 2)))) (defsubst f90-looking-at-select-case () - "Return (\"select\" name) if a select-case statement starts after point. -Name is nil if the statement has no label." - (if (looking-at "\\(\\(\\sw+\\)[ \t]*\:\\)?[ \t]*\\(select\\)[ \t]*case[ \t]*(") - (let (label - (struct (f90-match-piece 3))) - (if (looking-at "\\(\\sw+\\)[ \t]*\:") - (setq label (f90-match-piece 1))) - (list struct label)))) + "Return (\"select\" NAME) if a select-case statement starts after point. +NAME is nil if the statement has no label." + (if (looking-at "\\(\\(\\sw+\\)[ \t]*:\\)?[ \t]*\ +\\(select\\)[ \t]*case[ \t]*(") + (list (match-string 3) (match-string 2)))) (defsubst f90-looking-at-if-then () - "Return (\"if\" name) if an if () then statement starts after point. -Name is nil if the statement has no label." + "Return (\"if\" NAME) if an if () then statement starts after point. +NAME is nil if the statement has no label." (save-excursion - (let (struct (label nil)) - (if (looking-at "\\(\\(\\sw+\\)[ \t]*\:\\)?[ \t]*\\(if\\)\\>") - (progn - (setq struct (f90-match-piece 3)) - (if (looking-at "\\(\\sw+\\)[ \t]*\:") - (setq label (f90-match-piece 1))) - (goto-char (scan-lists (point) 1 0)) - (skip-chars-forward " \t") - (if (or (looking-at "then\\>") - (if (f90-line-continued) - (progn - (f90-next-statement) - (skip-chars-forward " \t0-9&") - (looking-at "then\\>")))) - (list struct label))))))) + (when (looking-at "\\(\\(\\sw+\\)[ \t]*:\\)?[ \t]*\\(if\\)\\>") + (let ((struct (match-string 3)) + (label (match-string 2)) + (pos (scan-lists (point) 1 0))) + (and pos (goto-char pos)) + (skip-chars-forward " \t") + (if (or (looking-at "then\\>") + (when (f90-line-continued) + (f90-next-statement) + (skip-chars-forward " \t0-9&") + (looking-at "then\\>"))) + (list struct label)))))) (defsubst f90-looking-at-where-or-forall () - "Return (kind nil) if where/forall...end starts after point." + "Return (KIND NAME) if a where or forall block starts after point. +NAME is nil if the statement has no label." (save-excursion - (let (command) - (if (looking-at "\\(where\\|forall\\)[ \t]*(") - (progn - (setq command (list (f90-match-piece 1) nil)) - (goto-char (scan-lists (point) 1 0)) - (skip-chars-forward " \t") - (if (looking-at "\\(!\\|$\\)") - command)))))) + (when (looking-at "\\(\\(\\sw+\\)[ \t]*:\\)?[ \t]*\ +\\(where\\|forall\\)\\>") + (let ((struct (match-string 3)) + (label (match-string 2)) + (pos (scan-lists (point) 1 0))) + (and pos (goto-char pos)) + (skip-chars-forward " \t") + (if (looking-at "\\(!\\|$\\)") (list struct label)))))) (defsubst f90-looking-at-type-like () - "Return (kind name) at the start of a type/interface/block-data block. -Name is non-nil only for type." - (cond + "Return (KIND NAME) if a type/interface/block-data block starts after point. +NAME is non-nil only for type." + (cond ((looking-at f90-type-def-re) - (list (f90-match-piece 1) (f90-match-piece 3))) + (list (match-string 1) (match-string 2))) ((looking-at "\\(interface\\|block[\t]*data\\)\\>") - (list (f90-match-piece 1) nil)))) + (list (match-string 1) nil)))) (defsubst f90-looking-at-program-block-start () - "Return (kind name) if a program block with name name starts after point." + "Return (KIND NAME) if a program block with name NAME starts after point." (cond ((looking-at "\\(program\\)[ \t]+\\(\\sw+\\)\\>") - (list (f90-match-piece 1) (f90-match-piece 2))) + (list (match-string 1) (match-string 2))) ((and (not (looking-at "module[ \t]*procedure\\>")) (looking-at "\\(module\\)[ \t]+\\(\\sw+\\)\\>")) - (list (f90-match-piece 1) (f90-match-piece 2))) - ((looking-at (concat - "\\(pure\\|recursive\\|extrinsic([^)]+)\\)?[ \t]*" - "\\(subroutine\\)[ \t]+\\(\\sw+\\)")) - (list (f90-match-piece 2) (f90-match-piece 3))) - ((and (not (looking-at "end[ \t]*function")) - (looking-at "[^!\"\&\\n]*\\(function\\)[ \t]+\\(\\sw+\\)")) - (list (f90-match-piece 1) (f90-match-piece 2))))) + (list (match-string 1) (match-string 2))) + ((and (not (looking-at "end[ \t]*\\(function\\|subroutine\\)")) + (looking-at "[^!'\"\&\n]*\\(function\\|subroutine\\)[ \t]+\ +\\(\\sw+\\)")) + (list (match-string 1) (match-string 2))))) (defsubst f90-looking-at-program-block-end () - "Return list of type and name of end of block." - (if (looking-at (concat "end[ \t]*" f90-blocks-re + "Return (KIND NAME) if a block with name NAME ends after point." + (if (looking-at (concat "end[ \t]*" f90-blocks-re "?\\([ \t]+\\(\\sw+\\)\\)?\\>")) - (list (f90-match-piece 1) (f90-match-piece 3)))) + (list (match-string 1) (match-string 3)))) (defsubst f90-comment-indent () + "Return the indentation to be used for a comment starting at point. +Used for `comment-indent-function' by F90 mode. +\"!!!\", `f90-directive-comment-re', variable `f90-comment-region' return 0. +`f90-indented-comment-re' (if not trailing code) calls `f90-calculate-indent'. +All others return `comment-column', leaving at least one space after code." (cond ((looking-at "!!!") 0) ((and f90-directive-comment-re (looking-at f90-directive-comment-re)) 0) ((looking-at (regexp-quote f90-comment-region)) 0) - ((looking-at f90-indented-comment-re) + ((and (looking-at f90-indented-comment-re) + ;; Don't attempt to indent trailing comment as code. + (save-excursion + (skip-chars-backward " \t") + (bolp))) (f90-calculate-indent)) (t (skip-chars-backward " \t") (max (if (bolp) 0 (1+ (current-column))) comment-column)))) (defsubst f90-present-statement-cont () - "Return continuation properties of present statement." + "Return continuation properties of present statement. +Possible return values are: +single - statement is not continued. +begin - current line is the first in a continued statement. +end - current line is the last in a continued statement +middle - current line is neither first nor last in a continued statement. +Comment lines embedded amongst continued lines return 'middle." (let (pcont cont) (save-excursion - (setq pcont (if (f90-previous-statement) (f90-line-continued) nil))) + (setq pcont (if (f90-previous-statement) (f90-line-continued)))) (setq cont (f90-line-continued)) (cond ((and (not pcont) (not cont)) 'single) ((and (not pcont) cont) 'begin) ((and pcont (not cont)) 'end) ((and pcont cont) 'middle) - (t (error))))) + (t (error "The impossible occurred"))))) (defsubst f90-indent-line-no () - (if f90-leave-line-no - () - (if (and (not (zerop (skip-chars-forward " \t"))) - (looking-at "[0-9]")) - (delete-horizontal-space))) + "If `f90-leave-line-no' is nil, left-justify a line number. +Leaves point at the first non-blank character after the line number. +Call from beginning of line." + (and (null f90-leave-line-no) (looking-at "[ \t]+[0-9]") + (delete-horizontal-space)) (skip-chars-forward " \t0-9")) (defsubst f90-no-block-limit () - (let ((eol (f90-get-end-of-line))) - (save-excursion - (not (or (looking-at "end") - (looking-at "\\(do\\|if\\|else\\|select[ \t]*case\\|\ -case\\|where\\|forall\\)\\>") - (looking-at "\\(program\\|module\\|interface\\|\ + "Return nil if point is at the edge of a code block. +Searches line forward for \"function\" or \"subroutine\", +if all else fails." + (save-excursion + (not (or (looking-at "end") + (looking-at "\\(do\\|if\\|else\\(if\\|where\\)?\ +\\|select[ \t]*case\\|case\\|where\\|forall\\)\\>") + (looking-at "\\(program\\|module\\|interface\\|\ block[ \t]*data\\)\\>") - (looking-at "\\(contains\\|\\sw+[ \t]*:\\)") - (looking-at f90-type-def-re) - (re-search-forward "\\(function\\|subroutine\\)" eol t)))))) + (looking-at "\\(contains\\|\\sw+[ \t]*:\\)") + (looking-at f90-type-def-re) + (re-search-forward "\\(function\\|subroutine\\)" + (line-end-position) t))))) (defsubst f90-update-line () - (let (bol eol) - (if f90-auto-keyword-case - (progn (setq bol (f90-get-beg-of-line) - eol (f90-get-end-of-line)) - (if f90-auto-keyword-case - (f90-change-keywords f90-auto-keyword-case bol eol) - (if (and f90-auto-hilit19 (fboundp 'hilit-rehighlight-region)) - (hilit-rehighlight-region bol eol t))))))) + "Change case of current line as per `f90-auto-keyword-case'." + (if f90-auto-keyword-case + (f90-change-keywords f90-auto-keyword-case + (line-beginning-position) (line-end-position)))) +(defun f90-electric-insert () + "Change keyword case and auto-fill line as operators are inserted." + (interactive) + (self-insert-command 1) + (if auto-fill-function (f90-do-auto-fill) ; also updates line + (f90-update-line))) + + (defun f90-get-correct-indent () "Get correct indent for a line starting with line number. Does not check type and subprogram indentation." - (let ((epnt (f90-get-end-of-line)) icol cont) + (let ((epnt (line-end-position)) icol cont) (save-excursion (while (and (f90-previous-statement) (or (progn @@ -1083,34 +1014,34 @@ Does not check type and subprogram indentation." (looking-at "[ \t]*[0-9]")))) (setq icol (current-indentation)) (beginning-of-line) - (if (re-search-forward "\\(if\\|do\\|select\\|where\\|forall\\)" - (f90-get-end-of-line) t) - (progn - (beginning-of-line) (skip-chars-forward " \t") - (cond ((f90-looking-at-do) - (setq icol (+ icol f90-do-indent))) - ((or (f90-looking-at-if-then) - (f90-looking-at-where-or-forall) - (f90-looking-at-select-case)) - (setq icol (+ icol f90-if-indent)))) - (end-of-line))) + (when (re-search-forward "\\(if\\|do\\|select\\|where\\|forall\\)" + (line-end-position) t) + (beginning-of-line) + (skip-chars-forward " \t") + (cond ((f90-looking-at-do) + (setq icol (+ icol f90-do-indent))) + ((or (f90-looking-at-if-then) + (f90-looking-at-where-or-forall) + (f90-looking-at-select-case)) + (setq icol (+ icol f90-if-indent)))) + (end-of-line)) (while (re-search-forward "\\(if\\|do\\|select\\|where\\|forall\\)" epnt t) - (beginning-of-line) (skip-chars-forward " \t0-9") - (cond ((f90-looking-at-do) - (setq icol (+ icol f90-do-indent))) - ((or (f90-looking-at-if-then) - (f90-looking-at-where-or-forall) - (f90-looking-at-select-case)) - (setq icol (+ icol f90-if-indent))) - ((looking-at f90-end-if-re) - (setq icol (- icol f90-if-indent))) - ((looking-at "end[ \t]*do\\>") - (setq icol (- icol f90-do-indent)))) + (beginning-of-line) + (skip-chars-forward " \t0-9") + (cond ((f90-looking-at-do) + (setq icol (+ icol f90-do-indent))) + ((or (f90-looking-at-if-then) + (f90-looking-at-where-or-forall) + (f90-looking-at-select-case)) + (setq icol (+ icol f90-if-indent))) + ((looking-at f90-end-if-re) + (setq icol (- icol f90-if-indent))) + ((looking-at "end[ \t]*do\\>") + (setq icol (- icol f90-do-indent)))) (end-of-line)) icol))) - - + (defun f90-calculate-indent () "Calculate the indent column based on previous statements." (interactive) @@ -1125,7 +1056,7 @@ Does not check type and subprogram indentation." (cond ((eq cont 'begin) (setq icol (+ (f90-current-indentation) f90-continuation-indent))) - ((eq cont 'middle) (setq icol(current-indentation))) + ((eq cont 'middle) (setq icol (current-indentation))) (t (setq icol (f90-current-indentation)) (skip-chars-forward " \t") (if (looking-at "[0-9]") @@ -1133,7 +1064,7 @@ Does not check type and subprogram indentation." (cond ((or (f90-looking-at-if-then) (f90-looking-at-where-or-forall) (f90-looking-at-select-case) - (looking-at f90-else-like-re)) + (looking-at f90-else-like-re)) (setq icol (+ icol f90-if-indent))) ((f90-looking-at-do) (setq icol (+ icol f90-do-indent))) @@ -1145,7 +1076,7 @@ Does not check type and subprogram indentation." (goto-char pnt) (beginning-of-line) (cond ((looking-at "[ \t]*$")) - ((looking-at "[ \t]*#") ; Check for cpp directive. + ((looking-at "[ \t]*#") ; check for cpp directive (setq icol 0)) (t (skip-chars-forward " \t0-9") @@ -1162,10 +1093,10 @@ Does not check type and subprogram indentation." )))) icol)) -;; Statement = statement line, a line which is neither blank, nor a comment. (defun f90-previous-statement () "Move point to beginning of the previous F90 statement. -Return nil if no previous statement is found." +Return nil if no previous statement is found. +A statement is a line which is neither blank nor a comment." (interactive) (let (not-first-statement) (beginning-of-line) @@ -1186,143 +1117,278 @@ Return nil if no later statement is found." not-last-statement)) (defun f90-beginning-of-subprogram () - "Move point to the beginning of subprogram. -Return (type name) or nil if not found." + "Move point to the beginning of the current subprogram. +Return (TYPE NAME), or nil if not found." (interactive) (let ((count 1) (case-fold-search t) matching-beg) - (beginning-of-line) (skip-chars-forward " \t0-9") - (if (setq matching-beg (f90-looking-at-program-block-start)) - (setq count (- count 1))) - (while (and (not (zerop count)) + (beginning-of-line) + (while (and (> count 0) (re-search-backward f90-program-block-re nil 'move)) - (beginning-of-line) (skip-chars-forward " \t0-9") - (cond - ((setq matching-beg (f90-looking-at-program-block-start)) - (setq count (- count 1))) - ((f90-looking-at-program-block-end) - (setq count (+ count 1))))) + (beginning-of-line) + (skip-chars-forward " \t0-9") + (cond ((setq matching-beg (f90-looking-at-program-block-start)) + (setq count (1- count))) + ((f90-looking-at-program-block-end) + (setq count (1+ count))))) (beginning-of-line) (if (zerop count) matching-beg - (message "No beginning-found.") + (message "No beginning found.") nil))) (defun f90-end-of-subprogram () - "Move point to the end of subprogram. -Return (type name) or nil if not found." + "Move point to the end of the current subprogram. +Return (TYPE NAME), or nil if not found." (interactive) - (let ((count 1) (case-fold-search t) matching-end) - (beginning-of-line) (skip-chars-forward " \t0-9") - (if (setq matching-end (f90-looking-at-program-block-end)) - (setq count (1- count))) + (let ((case-fold-search t) + (count 1) + matching-end) (end-of-line) - (while (and (not (zerop count)) + (while (and (> count 0) (re-search-forward f90-program-block-re nil 'move)) - (beginning-of-line) (skip-chars-forward " \t0-9") + (beginning-of-line) + (skip-chars-forward " \t0-9") (cond ((f90-looking-at-program-block-start) - (setq count (+ count 1))) + (setq count (1+ count))) ((setq matching-end (f90-looking-at-program-block-end)) - (setq count (1- count )))) + (setq count (1- count)))) (end-of-line)) - (forward-line 1) + ;; This means f90-end-of-subprogram followed by f90-start-of-subprogram + ;; has a net non-zero effect, which seems odd. +;;; (forward-line 1) (if (zerop count) matching-end (message "No end found.") nil))) + +(defun f90-end-of-block (&optional num) + "Move point forward to the end of the current code block. +With optional argument NUM, go forward that many balanced blocks. +If NUM is negative, go backward to the start of a block. +Checks for consistency of block types and labels (if present), +and completes outermost block if necessary." + (interactive "p") + (if (and num (< num 0)) (f90-beginning-of-block (- num))) + (let ((f90-smart-end nil) ; for the final `f90-match-end' + (case-fold-search t) + (count (or num 1)) + start-list start-this start-type start-label end-type end-label) + (if (interactive-p) (push-mark (point) t)) + (end-of-line) ; probably want this + (while (and (> count 0) (re-search-forward f90-blocks-re nil 'move)) + (beginning-of-line) + (skip-chars-forward " \t0-9") + (cond ((or (f90-in-string) (f90-in-comment))) + ((setq start-this + (or + (f90-looking-at-do) + (f90-looking-at-select-case) + (f90-looking-at-type-like) + (f90-looking-at-program-block-start) + (f90-looking-at-if-then) + (f90-looking-at-where-or-forall))) + (setq start-list (cons start-this start-list) ; not add-to-list! + count (1+ count))) + ((looking-at (concat "end[ \t]*" f90-blocks-re + "[ \t]*\\(\\sw+\\)?")) + (setq end-type (match-string 1) + end-label (match-string 2) + count (1- count)) + ;; Check any internal blocks. + (when start-list + (setq start-this (car start-list) + start-list (cdr start-list) + start-type (car start-this) + start-label (cadr start-this)) + (or (f90-equal-symbols start-type end-type) + (error "End type `%s' does not match start type `%s'" + end-type start-type)) + (or (f90-equal-symbols start-label end-label) + (error "End label `%s' does not match start label `%s'" + end-label start-label))))) + (end-of-line)) + (if (> count 0) (error "Missing block end")) + ;; Check outermost block. + (if (interactive-p) + (save-excursion + (beginning-of-line) + (skip-chars-forward " \t0-9") + (f90-match-end))))) + +(defun f90-beginning-of-block (&optional num) + "Move point backwards to the start of the current code block. +With optional argument NUM, go backward that many balanced blocks. +If NUM is negative, go forward to the end of a block. +Checks for consistency of block types and labels (if present). +Does not check the outermost block, because it may be incomplete." + (interactive "p") + (if (and num (< num 0)) (f90-end-of-block (- num))) + (let ((case-fold-search t) + (count (or num 1)) + end-list end-this end-type end-label + start-this start-type start-label) + (if (interactive-p) (push-mark (point) t)) + (beginning-of-line) ; probably want this + (while (and (> count 0) (re-search-backward f90-blocks-re nil 'move)) + (beginning-of-line) + (skip-chars-forward " \t0-9") + (cond ((or (f90-in-string) (f90-in-comment))) + ((looking-at (concat "end[ \t]*" f90-blocks-re + "[ \t]*\\(\\sw+\\)?")) + (setq end-list (cons (list (match-string 1) (match-string 2)) + end-list) + count (1+ count))) + ((setq start-this + (or + (f90-looking-at-do) + (f90-looking-at-select-case) + (f90-looking-at-type-like) + (f90-looking-at-program-block-start) + (f90-looking-at-if-then) + (f90-looking-at-where-or-forall))) + (setq start-type (car start-this) + start-label (cadr start-this) + count (1- count)) + ;; Check any internal blocks. + (when end-list + (setq end-this (car end-list) + end-list (cdr end-list) + end-type (car end-this) + end-label (cadr end-this)) + (or (f90-equal-symbols start-type end-type) + (error "Start type `%s' does not match end type `%s'" + start-type end-type)) + (or (f90-equal-symbols start-label end-label) + (error "Start label `%s' does not match end label `%s'" + start-label end-label)))))) + (if (> count 0) (error "Missing block start")))) + +(defun f90-next-block (&optional num) + "Move point forward to the next end or start of a code block. +With optional argument NUM, go forward that many blocks. +If NUM is negative, go backwards. +A block is a subroutine, if-endif, etc." + (interactive "p") + (let ((case-fold-search t) + (count (if num (abs num) 1))) + (while (and (> count 0) + (if (> num 0) (re-search-forward f90-blocks-re nil 'move) + (re-search-backward f90-blocks-re nil 'move))) + (beginning-of-line) + (skip-chars-forward " \t0-9") + (cond ((or (f90-in-string) (f90-in-comment))) + ((or + (looking-at "end[ \t]*") + (f90-looking-at-do) + (f90-looking-at-select-case) + (f90-looking-at-type-like) + (f90-looking-at-program-block-start) + (f90-looking-at-if-then) + (f90-looking-at-where-or-forall)) + (setq count (1- count)))) + (if (> num 0) (end-of-line) + (beginning-of-line))))) + + +(defun f90-previous-block (&optional num) + "Move point backward to the previous end or start of a code block. +With optional argument NUM, go backward that many blocks. +If NUM is negative, go forwards. +A block is a subroutine, if-endif, etc." + (interactive "p") + (f90-next-block (- (or num 1)))) + + (defun f90-mark-subprogram () - "Put mark at end of F90 subprogram, point at beginning. -Marks are pushed and highlight (grey shadow) is turned on." + "Put mark at end of F90 subprogram, point at beginning, push mark." (interactive) (let ((pos (point)) program) (f90-end-of-subprogram) - (push-mark (point) t) + (push-mark) (goto-char pos) (setq program (f90-beginning-of-subprogram)) - ;; The keywords in the preceding lists assume case-insensitivity. - (if (string-match "XEmacs" emacs-version) - (zmacs-activate-region) - (setq mark-active t) - (setq deactivate-mark nil)) + (if (fboundp 'zmacs-activate-region) + (zmacs-activate-region) + (setq mark-active t + deactivate-mark nil)) program)) (defun f90-comment-region (beg-region end-region) "Comment/uncomment every line in the region. -Insert f90-comment-region at the beginning of every line in the region -or, if already present, remove it." +Insert the variable `f90-comment-region' at the start of every line +in the region, or, if already present, remove it." (interactive "*r") - (let ((end (make-marker))) - (set-marker end end-region) + (let ((end (copy-marker end-region))) (goto-char beg-region) (beginning-of-line) (if (looking-at (regexp-quote f90-comment-region)) (delete-region (point) (match-end 0)) (insert f90-comment-region)) - (while (and (zerop (forward-line 1)) - (< (point) (marker-position end))) + (while (and (zerop (forward-line 1)) + (< (point) end)) (if (looking-at (regexp-quote f90-comment-region)) (delete-region (point) (match-end 0)) (insert f90-comment-region))) (set-marker end nil))) (defun f90-indent-line (&optional no-update) - "Indent current line as F90 code." - (interactive) - (let (indent (no-line-number nil) (pos (make-marker)) (case-fold-search t)) - (set-marker pos (point)) - (beginning-of-line) ; Digits after & \n are not line-no - (if (save-excursion (and (f90-previous-statement) (f90-line-continued))) - (progn (setq no-line-number t) (skip-chars-forward " \t")) - (f90-indent-line-no)) + "Indent current line as F90 code. +Unless optional argument NO-UPDATE is non-nil, call `f90-update-line' +after indenting." + (interactive "*P") + (let ((case-fold-search t) + (pos (point-marker)) + indent no-line-number) + (beginning-of-line) ; digits after & \n are not line-nos + (if (not (save-excursion (and (f90-previous-statement) + (f90-line-continued)))) + (f90-indent-line-no) + (setq no-line-number t) + (skip-chars-forward " \t")) (if (looking-at "!") (setq indent (f90-comment-indent)) - (if (and (looking-at "end") f90-smart-end) - (f90-match-end)) + (and f90-smart-end (looking-at "end") + (f90-match-end)) (setq indent (f90-calculate-indent))) - (if (zerop (- indent (current-column))) - nil - (f90-indent-to indent no-line-number)) + (or (= indent (current-column)) + (f90-indent-to indent no-line-number)) ;; If initial point was within line's indentation, ;; position after the indentation. Else stay at same point in text. - (if (< (point) (marker-position pos)) - (goto-char (marker-position pos))) - (if (not no-update) (f90-update-line)) - (if (and auto-fill-function - (> (save-excursion (end-of-line) (current-column)) fill-column)) - (save-excursion (f90-do-auto-fill))) + (and (< (point) pos) + (goto-char pos)) + (if auto-fill-function + ;; GM NO-UPDATE not honoured, since this calls f90-update-line. + (f90-do-auto-fill) + (or no-update (f90-update-line))) (set-marker pos nil))) (defun f90-indent-new-line () - "Reindent the current F90 line, insert a newline and indent the newline. -An abbrev before point is expanded if `abbrev-mode' is non-nil. + "Re-indent current line, insert a newline and indent the newline. +An abbrev before point is expanded if the variable `abbrev-mode' is non-nil. If run in the middle of a line, the line is not broken." - (interactive) - (let (string cont (case-fold-search t)) - (if abbrev-mode (expand-abbrev)) - (beginning-of-line) ; Reindent where likely to be needed. - (f90-indent-line-no) - (if (or (looking-at "\\(end\\|else\\|!\\)")) - (f90-indent-line 'no-update)) - (end-of-line) - (delete-horizontal-space) ;Destroy trailing whitespace - (setq string (f90-in-string)) - (setq cont (f90-line-continued)) - (if (and string (not cont)) (insert "&")) - (f90-update-line) + (interactive "*") + (if abbrev-mode (expand-abbrev)) + (beginning-of-line) ; reindent where likely to be needed + (f90-indent-line) ; calls indent-line-no, update-line + (end-of-line) + (delete-horizontal-space) ; destroy trailing whitespace + (let ((string (f90-in-string)) + (cont (f90-line-continued))) + (and string (not cont) (insert "&")) (newline) - (if (or string (and cont f90-beginning-ampersand)) (insert "&")) - (f90-indent-line 'no-update))) + (if (or string (and cont f90-beginning-ampersand)) (insert "&"))) + (f90-indent-line 'no-update)) ; nothing to update (defun f90-indent-region (beg-region end-region) "Indent every line in region by forward parsing." (interactive "*r") - (let ((end-region-mark (make-marker)) (save-point (point-marker)) - (block-list nil) ind-lev ind-curr ind-b cont - struct beg-struct end-struct) - (set-marker end-region-mark end-region) + (let ((end-region-mark (copy-marker end-region)) + (save-point (point-marker)) + block-list ind-lev ind-curr ind-b cont struct beg-struct end-struct) (goto-char beg-region) - ;; first find a line which is not a continuation line or comment + ;; First find a line which is not a continuation line or comment. (beginning-of-line) (while (and (looking-at "[ \t]*[0-9]*\\(!\\|#\\|[ \t]*$\\)") (progn (f90-indent-line 'no-update) @@ -1332,14 +1398,15 @@ If run in the middle of a line, the line is not broken." (while (and (or (eq cont 'middle) (eq cont 'end)) (f90-previous-statement)) (setq cont (f90-present-statement-cont))) - ;; process present line for beginning of block + ;; Process present line for beginning of block. (setq f90-cache-position (point)) (f90-indent-line 'no-update) - (setq ind-lev (f90-current-indentation)) - (setq ind-curr ind-lev) - (beginning-of-line) (skip-chars-forward " \t0-9") - (setq struct nil) - (setq ind-b (cond ((setq struct (f90-looking-at-do)) f90-do-indent) + (setq ind-lev (f90-current-indentation) + ind-curr ind-lev) + (beginning-of-line) + (skip-chars-forward " \t0-9") + (setq struct nil + ind-b (cond ((setq struct (f90-looking-at-do)) f90-do-indent) ((or (setq struct (f90-looking-at-if-then)) (setq struct (f90-looking-at-select-case)) (setq struct (f90-looking-at-where-or-forall)) @@ -1347,18 +1414,20 @@ If run in the middle of a line, the line is not broken." f90-if-indent) ((setq struct (f90-looking-at-type-like)) f90-type-indent) - ((or(setq struct (f90-looking-at-program-block-start)) - (looking-at "contains[ \t]*\\($\\|!\\)")) + ((or (setq struct (f90-looking-at-program-block-start)) + (looking-at "contains[ \t]*\\($\\|!\\)")) f90-program-indent))) (if ind-b (setq ind-lev (+ ind-lev ind-b))) (if struct (setq block-list (cons struct block-list))) (while (and (f90-line-continued) (zerop (forward-line 1)) (< (point) end-region-mark)) - (if (not (zerop (- (current-indentation) - (+ ind-curr f90-continuation-indent)))) - (f90-indent-to (+ ind-curr f90-continuation-indent) 'no-line-no))) - ;; process all following lines - (while (and (zerop (forward-line 1)) (< (point) end-region-mark)) + (if (looking-at "[ \t]*!") + (f90-indent-to (f90-comment-indent)) + (or (= (current-indentation) + (+ ind-curr f90-continuation-indent)) + (f90-indent-to (+ ind-curr f90-continuation-indent) 'no-line-no)))) + ;; Process all following lines. + (while (and (zerop (forward-line 1)) (< (point) end-region-mark)) (beginning-of-line) (f90-indent-line-no) (setq f90-cache-position (point)) @@ -1386,10 +1455,10 @@ If run in the middle of a line, the line is not broken." ((setq end-struct (f90-looking-at-program-block-end)) (setq beg-struct (car block-list) block-list (cdr block-list)) - (if f90-smart-end + (if f90-smart-end (save-excursion - (f90-block-match (car beg-struct)(car (cdr beg-struct)) - (car end-struct)(car (cdr end-struct))))) + (f90-block-match (car beg-struct) (car (cdr beg-struct)) + (car end-struct) (car (cdr end-struct))))) (setq ind-b (cond ((looking-at f90-end-if-re) f90-if-indent) ((looking-at "end[ \t]*do\\>") f90-do-indent) @@ -1399,262 +1468,241 @@ If run in the middle of a line, the line is not broken." (if ind-b (setq ind-lev (- ind-lev ind-b))) (setq ind-curr ind-lev)) (t (setq ind-curr ind-lev))) - ;; do the indentation if necessary - (if (not (zerop (- ind-curr (current-column)))) + ;; Do the indentation if necessary. + (or (= ind-curr (current-column)) (f90-indent-to ind-curr)) (while (and (f90-line-continued) (zerop (forward-line 1)) (< (point) end-region-mark)) - (if (not (zerop (- (current-indentation) - (+ ind-curr f90-continuation-indent)))) - (f90-indent-to (+ ind-curr f90-continuation-indent) 'no-line-no)))) - ;; restore point etc + (if (looking-at "[ \t]*!") + (f90-indent-to (f90-comment-indent)) + (or (= (current-indentation) + (+ ind-curr f90-continuation-indent)) + (f90-indent-to + (+ ind-curr f90-continuation-indent) 'no-line-no))))) + ;; Restore point, etc. (setq f90-cache-position nil) (goto-char save-point) (set-marker end-region-mark nil) (set-marker save-point nil) - (if (string-match "Xemacs" emacs-version) - (zmacs-deactivate-region) + (if (fboundp 'zmacs-deactivate-region) + (zmacs-deactivate-region) (deactivate-mark)))) (defun f90-indent-subprogram () - "Properly indent the subprogram which contains point." - (interactive) + "Properly indent the subprogram containing point." + (interactive "*") (save-excursion - (let (program) - (setq program (f90-mark-subprogram)) + (let ((program (f90-mark-subprogram))) (if program (progn (message "Indenting %s %s..." (car program) (car (cdr program))) - (f90-indent-region (point) (mark)) + (indent-region (point) (mark) nil) (message "Indenting %s %s...done" (car program) (car (cdr program)))) (message "Indenting the whole file...") - (f90-indent-region (point) (mark)) + (indent-region (point) (mark) nil) (message "Indenting the whole file...done"))))) -;; autofill and break-line (defun f90-break-line (&optional no-update) - "Break line at point, insert continuation marker(s) and indent." - (interactive) - (let (ctype) - (cond ((f90-in-string) - (insert "&") (newline) (insert "&")) - ((f90-in-comment) - (delete-horizontal-space) - (setq ctype (f90-get-present-comment-type)) - (newline) (insert (concat ctype " "))) - (t (delete-horizontal-space) - (insert "&") - (if (not no-update) (f90-update-line)) - (newline) - (if f90-beginning-ampersand (insert "& "))))) - (if (not no-update) (f90-indent-line))) - + "Break line at point, insert continuation marker(s) and indent. +Unless in a string or comment, or if the optional argument NO-UPDATE +is non-nil, call `f90-update-line' after inserting the continuation marker." + (interactive "*P") + (cond ((f90-in-string) + (insert "&\n&")) + ((f90-in-comment) + (insert "\n" (f90-get-present-comment-type))) + (t (insert "&") + (or no-update (f90-update-line)) + (newline 1) + (if f90-beginning-ampersand (insert "&")))) + (indent-according-to-mode)) + (defun f90-find-breakpoint () - "From fill-column, search backward for break-delimiter." - (let ((bol (f90-get-beg-of-line))) - (re-search-backward f90-break-delimiters bol) - (if f90-break-before-delimiters - (progn (backward-char) - (if (not (looking-at f90-no-break-re)) - (forward-char))) - (if (looking-at f90-no-break-re) - (forward-char 2) - (forward-char))))) - -(defun f90-auto-fill-mode (arg) - "Toggle f90-auto-fill mode. -With ARG, turn `f90-auto-fill' mode on iff ARG is positive. -In `f90-auto-fill' mode, inserting a space at a column beyond `fill-column' -automatically breaks the line at a previous space." - (interactive "P") - (prog1 (setq auto-fill-function - (if (if (null arg) - (not auto-fill-function) - (> (prefix-numeric-value arg) 0)) - 'f90-do-auto-fill)) - (force-mode-line-update))) + "From `fill-column', search backward for break-delimiter." + (re-search-backward f90-break-delimiters (line-beginning-position)) + (if (not f90-break-before-delimiters) + (forward-char (if (looking-at f90-no-break-re) 2 1)) + (backward-char) + (or (looking-at f90-no-break-re) + (forward-char)))) (defun f90-do-auto-fill () - "Break line if non-white characters beyond fill-column." - (interactive) - ;; Break the line before or after the last delimiter (non-word char). - ;; Will not break **, //, or => (specified by f90-no-break-re). - ;; Start by checking that line is longer than fill-column. - (if (> (save-excursion (end-of-line) (current-column)) fill-column) - (progn - (move-to-column fill-column) - (if (and (looking-at "[ \t]*$") (not (f90-in-string))) - (delete-horizontal-space) - (f90-find-breakpoint) - (f90-break-line) - (end-of-line))))) - -(defun f90-join-lines () - "Join present line with next line, if this line ends with \&." - (interactive) - (let (pos (oldpos (point))) - (end-of-line) + "Break line if non-white characters beyond `fill-column'. +Update keyword case first." + (interactive "*") + ;; Break line before or after last delimiter (non-word char) if + ;; position is beyond fill-column. + ;; Will not break **, //, or => (as specified by f90-no-break-re). + (f90-update-line) + ;; Need this for `f90-electric-insert' and other f90- callers. + (unless (and (boundp 'comment-auto-fill-only-comments) + comment-auto-fill-only-comments + (not (f90-in-comment))) + (while (> (current-column) fill-column) + (let ((pos-mark (point-marker))) + (move-to-column fill-column) + (or (f90-in-string) (f90-find-breakpoint)) + (f90-break-line) + (goto-char pos-mark) + (set-marker pos-mark nil))))) + +(defun f90-join-lines (&optional arg) + "Join current line to previous, fix whitespace, continuation, comments. +With optional argument ARG, join current line to following line. +Like `join-line', but handles F90 syntax." + (interactive "*P") + (beginning-of-line) + (if arg (forward-line 1)) + (when (eq (preceding-char) ?\n) + (skip-chars-forward " \t") + (if (looking-at "\&") (delete-char 1)) + (beginning-of-line) + (delete-region (point) (1- (point))) (skip-chars-backward " \t") - (cond ((= (preceding-char) ?&) - (delete-char -1) - (setq pos (point)) - (forward-line 1) - (skip-chars-forward " \t") - (if (looking-at "\&") (delete-char 1)) - (delete-region pos (point)) - (if (not (f90-in-string)) - (progn (delete-horizontal-space) (insert " "))) - (if (and auto-fill-function - (> (save-excursion (end-of-line) - (current-column)) - fill-column)) - (f90-do-auto-fill)) - (goto-char oldpos) - t)))) + (and (eq (preceding-char) ?&) (delete-char -1)) + (and (f90-in-comment) + (looking-at "[ \t]*!+") + (replace-match "")) + (or (f90-in-string) + (fixup-whitespace)))) (defun f90-fill-region (beg-region end-region) - "Fill every line in region by forward parsing. Join lines if possible." + "Fill every line in region by forward parsing. Join lines if possible." (interactive "*r") - (let ((end-region-mark (make-marker)) - (f90-auto-hilit19 nil) - (f90-smart-end nil) (f90-auto-keyword-case nil) indent (go-on t) - (af-function auto-fill-function) (auto-fill-function nil)) - (set-marker end-region-mark end-region) + (let ((end-region-mark (copy-marker end-region)) + (go-on t) + f90-smart-end f90-auto-keyword-case auto-fill-function) (goto-char beg-region) (while go-on - ;; join as much as possible - (while (f90-join-lines)); - (setq indent (+ (f90-current-indentation) f90-continuation-indent)) - ;; chop the line if necessary + ;; Join as much as possible. + (while (progn + (end-of-line) + (skip-chars-backward " \t") + (eq (preceding-char) ?&)) + (f90-join-lines 'forward)) + ;; Chop the line if necessary. (while (> (save-excursion (end-of-line) (current-column)) fill-column) (move-to-column fill-column) - (if (and (looking-at "[ \t]*$") (not (f90-in-string))) - (delete-horizontal-space) - (f90-find-breakpoint) - (f90-break-line 'no-update) - (f90-indent-to indent 'no-line-no))) - (setq go-on (and (< (point) (marker-position end-region-mark)) - (zerop (forward-line 1)))) - (setq f90-cache-position (point))) - (setq auto-fill-function af-function) + (f90-find-breakpoint) + (f90-break-line 'no-update)) + (setq go-on (and (< (point) end-region-mark) + (zerop (forward-line 1))) + f90-cache-position (point))) (setq f90-cache-position nil) - (if (string-match "XEmacs" emacs-version) - (zmacs-deactivate-region) + (set-marker end-region-mark nil) + (if (fboundp 'zmacs-deactivate-region) + (zmacs-deactivate-region) (deactivate-mark)))) (defun f90-block-match (beg-block beg-name end-block end-name) "Match end-struct with beg-struct and complete end-block if possible. +BEG-BLOCK is the type of block as indicated at the start (e.g., do). +BEG-NAME is the block start name (may be nil). +END-BLOCK is the type of block as indicated at the end (may be nil). +END-NAME is the block end name (may be nil). Leave point at the end of line." - (search-forward "end" (f90-get-end-of-line)) + (search-forward "end" (line-end-position)) (catch 'no-match - (if (not (f90-equal-symbols beg-block end-block)) - (if end-block - (progn - (message "END %s does not match %s." end-block beg-block) - (end-of-line) - (throw 'no-match nil)) - (message "Inserting %s." beg-block) - (insert (concat " " beg-block))) - (search-forward end-block)) - (if (not (f90-equal-symbols beg-name end-name)) - (cond ((and beg-name (not end-name)) - (message "Inserting %s." beg-name) - (insert (concat " " beg-name))) - ((and beg-name end-name) - (message "Replacing %s with %s." end-name beg-name) - (search-forward end-name) - (replace-match beg-name)) - ((and (not beg-name) end-name) - (message "Deleting %s." end-name) - (search-forward end-name) - (replace-match ""))) - (if end-name (search-forward end-name))) - (if (not (looking-at "[ \t]*!")) (delete-horizontal-space)))) + (if (f90-equal-symbols beg-block end-block) + (search-forward end-block) + (if end-block + (progn + (message "END %s does not match %s." end-block beg-block) + (end-of-line) + (throw 'no-match nil)) + (message "Inserting %s." beg-block) + (insert (concat " " beg-block)))) + (if (f90-equal-symbols beg-name end-name) + (and end-name (search-forward end-name)) + (cond ((and beg-name (not end-name)) + (message "Inserting %s." beg-name) + (insert (concat " " beg-name))) + ((and beg-name end-name) + (message "Replacing %s with %s." end-name beg-name) + (search-forward end-name) + (replace-match beg-name)) + ((and (not beg-name) end-name) + (message "Deleting %s." end-name) + (search-forward end-name) + (replace-match "")))) + (or (looking-at "[ \t]*!") (delete-horizontal-space)))) (defun f90-match-end () - "From an end foo statement, find the corresponding foo including name." + "From an end block statement, find the corresponding block and name." (interactive) - (let ((count 1) (top-of-window (window-start)) (matching-beg nil) - (end-point (point)) (case-fold-search t) - beg-name end-name beg-block end-block end-struct) - (if (save-excursion (beginning-of-line) (skip-chars-forward " \t0-9") - (setq end-struct (f90-looking-at-program-block-end))) - (progn - (setq end-block (car end-struct)) - (setq end-name (car (cdr end-struct))) - (save-excursion - (beginning-of-line) - (while - (and (not (zerop count)) - (let ((stop nil) notexist) - (while (not stop) - (setq notexist - (not (re-search-backward - (concat "\\(" f90-blocks-re "\\)") nil t))) - (if notexist - (setq stop t) - (setq stop - (not (or (f90-in-string) - (f90-in-comment)))))) - (not notexist))) - (beginning-of-line) (skip-chars-forward " \t0-9") - (cond ((setq matching-beg - (cond - ((f90-looking-at-do)) - ((f90-looking-at-if-then)) - ((f90-looking-at-where-or-forall)) - ((f90-looking-at-select-case)) - ((f90-looking-at-type-like)) - ((f90-looking-at-program-block-start)))) - (setq count (- count 1))) - ((looking-at (concat "end[ \t]*" f90-blocks-re "\\b")) - (setq count (+ count 1))))) - (if (not (zerop count)) - (message "No matching beginning.") - (f90-update-line) - (if (eq f90-smart-end 'blink) - (if (< (point) top-of-window) - (message "Matches %d: %s" - (what-line) - (buffer-substring - (progn (beginning-of-line) (point)) - (progn (end-of-line) (point)))) - (sit-for 1))) - (setq beg-block (car matching-beg)) - (setq beg-name (car (cdr matching-beg))) - (goto-char end-point) - (beginning-of-line) - (f90-block-match beg-block beg-name end-block end-name))))))) + (let ((count 1) + (top-of-window (window-start)) + (end-point (point)) + (case-fold-search t) + matching-beg beg-name end-name beg-block end-block end-struct) + (when (save-excursion (beginning-of-line) (skip-chars-forward " \t0-9") + (setq end-struct (f90-looking-at-program-block-end))) + (setq end-block (car end-struct) + end-name (car (cdr end-struct))) + (save-excursion + (beginning-of-line) + (while (and (> count 0) (re-search-backward f90-blocks-re nil t)) + (beginning-of-line) + ;; GM not a line number if continued line. +;;; (skip-chars-forward " \t") +;;; (skip-chars-forward "0-9") + (skip-chars-forward " \t0-9") + (cond ((or (f90-in-string) (f90-in-comment))) + ((setq matching-beg + (or + (f90-looking-at-do) + (f90-looking-at-if-then) + (f90-looking-at-where-or-forall) + (f90-looking-at-select-case) + (f90-looking-at-type-like) + (f90-looking-at-program-block-start))) + (setq count (1- count))) + ((looking-at (concat "end[ \t]*" f90-blocks-re)) + (setq count (1+ count))))) + (if (> count 0) + (message "No matching beginning.") + (f90-update-line) + (if (eq f90-smart-end 'blink) + (if (< (point) top-of-window) + (message "Matches %s: %s" + (what-line) + (buffer-substring + (line-beginning-position) + (line-end-position))) + (sit-for 1))) + (setq beg-block (car matching-beg) + beg-name (car (cdr matching-beg))) + (goto-char end-point) + (beginning-of-line) + (f90-block-match beg-block beg-name end-block end-name)))))) (defun f90-insert-end () - "Inserts an complete end statement matching beginning of present block." - (interactive) - (let ((f90-smart-end (if f90-smart-end f90-smart-end 'blink))) + "Insert a complete end statement matching beginning of present block." + (interactive "*") + (let ((f90-smart-end (or f90-smart-end 'blink))) (insert "end") (f90-indent-new-line))) -;; abbrevs and keywords +;; Abbrevs and keywords. (defun f90-abbrev-start () - "Typing `\\[help-command] or `? lists all the F90 abbrevs. + "Typing `\\[help-command] or `? lists all the F90 abbrevs. Any other key combination is executed normally." - (interactive) - (let (e c) - (insert last-command-char) - (if (string-match "XEmacs" emacs-version) - (progn - (setq e (next-command-event)) - (setq c (event-to-character e))) - (setq c (read-event))) - ;; insert char if not equal to `?' - (if (or (= c ??) (eq c help-char)) + (interactive "*") + (insert last-command-char) + (let (char event) + (if (fboundp 'next-command-event) ; XEmacs + (setq event (next-command-event) + char (event-to-character event)) + (setq event (read-event) + char event)) + ;; Insert char if not equal to `?', or if abbrev-mode is off. + (if (and abbrev-mode (or (eq char ??) (eq char help-char))) (f90-abbrev-help) - (if (string-match "XEmacs" emacs-version) - (setq unread-command-event e) - (setq unread-command-events (list c)))))) + (setq unread-command-events (list event))))) (defun f90-abbrev-help () "List the currently defined abbrevs in F90 mode." @@ -1664,6 +1712,7 @@ Any other key combination is executed normally." (message "Listing abbrev table...done")) (defun f90-prepare-abbrev-list-buffer () + "Create a buffer listing the F90 mode abbreviations." (save-excursion (set-buffer (get-buffer-create "*Abbrevs*")) (erase-buffer) @@ -1675,17 +1724,17 @@ Any other key combination is executed normally." (defun f90-upcase-keywords () "Upcase all F90 keywords in the buffer." - (interactive) + (interactive "*") (f90-change-keywords 'upcase-word)) (defun f90-capitalize-keywords () "Capitalize all F90 keywords in the buffer." - (interactive) + (interactive "*") (f90-change-keywords 'capitalize-word)) (defun f90-downcase-keywords () "Downcase all F90 keywords in the buffer." - (interactive) + (interactive "*") (f90-change-keywords 'downcase-word)) (defun f90-upcase-region-keywords (beg end) @@ -1705,34 +1754,44 @@ Any other key combination is executed normally." ;; Change the keywords according to argument. (defun f90-change-keywords (change-word &optional beg end) + "Change the case of F90 keywords in the region (if specified) or buffer. +CHANGE-WORD should be one of 'upcase-word, 'downcase-word, 'capitalize-word." (save-excursion - (setq beg (if beg beg (point-min))) - (setq end (if end end (point-max))) - (let ((keyword-re + (setq beg (or beg (point-min)) + end (or end (point-max))) + (let ((keyword-re (concat "\\(" f90-keywords-re "\\|" f90-procedures-re "\\|" f90-hpf-keywords-re "\\|" f90-operators-re "\\)")) - (ref-point (point-min)) state - (modified (buffer-modified-p)) saveword back-point) + (ref-point (point-min)) + (modified (buffer-modified-p)) + state saveword back-point) (goto-char beg) (unwind-protect (while (re-search-forward keyword-re end t) - (if (progn - (setq state (parse-partial-sexp ref-point (point))) - (or (nth 3 state) (nth 4 state) - (save-excursion ; Check for cpp directive. - (beginning-of-line) - (skip-chars-forward " \t0-9") - (looking-at "#")))) - () + (unless (progn + (setq state (parse-partial-sexp ref-point (point))) + (or (nth 3 state) (nth 4 state) + ;; GM f90-directive-comment-re? + (save-excursion ; check for cpp directive + (beginning-of-line) + (skip-chars-forward " \t0-9") + (looking-at "#")))) (setq ref-point (point) - back-point (save-excursion (backward-word 1) (point))) - (setq saveword (buffer-substring back-point ref-point)) + back-point (save-excursion (backward-word 1) (point)) + saveword (buffer-substring back-point ref-point)) (funcall change-word -1) (or (string= saveword (buffer-substring back-point ref-point)) (setq modified t)))) (or modified (set-buffer-modified-p nil)))))) + +(defun f90-current-defun () + "Function to use for `add-log-current-defun-function' in F90 mode." + (save-excursion + (nth 1 (f90-beginning-of-subprogram)))) + (provide 'f90) +;;; arch-tag: fceac97c-c147-44bd-aec0-172d4b560ef8 ;;; f90.el ends here