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119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
// clang-format off
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/*
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* $Id: tcl.c 443 2006-05-30 04:37:13Z darren $
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*
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* Copyright (c) 2000-2003, Darren Hiebert
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*
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* This source code is released for free distribution under the terms of the
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* GNU General Public License.
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*
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* This module contains functions for generating tags for TCL scripts.
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*/
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/*
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* INCLUDE FILES
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*/
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#include "third_party/ctags/general.h" /* must always come first */
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#include "libc/mem/alg.h"
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#include "libc/str/str.h"
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#include "third_party/ctags/parse.h"
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#include "third_party/ctags/read.h"
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#include "third_party/ctags/vstring.h"
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/*
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* DATA DEFINITIONS
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*/
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typedef enum {
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K_CLASS, K_METHOD, K_PROCEDURE
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} tclKind;
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static kindOption TclKinds [] = {
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{ TRUE, 'c', "class", "classes" },
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{ TRUE, 'm', "method", "methods" },
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{ TRUE, 'p', "procedure", "procedures" }
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};
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/*
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* FUNCTION DEFINITIONS
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*/
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static const unsigned char *makeTclTag (
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const unsigned char *cp,
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vString *const name,
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const tclKind kind)
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{
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vStringClear (name);
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while ((int) *cp != '\0' && ! isspace ((int) *cp))
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{
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vStringPut (name, (int) *cp);
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++cp;
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}
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vStringTerminate (name);
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makeSimpleTag (name, TclKinds, kind);
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return cp;
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}
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static boolean match (const unsigned char *line, const char *word)
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{
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return (boolean) (strncmp ((const char*) line, word, strlen (word)) == 0);
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}
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static void findTclTags (void)
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{
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vString *name = vStringNew ();
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const unsigned char *line;
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while ((line = fileReadLine ()) != NULL)
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{
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const unsigned char *cp;
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while (isspace (line [0]))
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++line;
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if (line [0] == '\0' || line [0] == '#')
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continue;
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/* read first word */
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for (cp = line ; *cp != '\0' && ! isspace ((int) *cp) ; ++cp)
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;
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if (! isspace ((int) *cp))
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continue;
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while (isspace ((int) *cp))
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++cp;
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/* Now `line' points at first word and `cp' points at next word */
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if (match (line, "proc"))
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cp = makeTclTag (cp, name, K_PROCEDURE);
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else if (match (line, "class") || match (line, "itcl::class"))
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cp = makeTclTag (cp, name, K_CLASS);
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else if (match (line, "public") ||
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match (line, "protected") ||
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match (line, "private"))
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{
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if (match (cp, "method"))
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{
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cp += 6;
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while (isspace ((int) *cp))
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++cp;
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cp = makeTclTag (cp, name, K_METHOD);
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}
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}
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}
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vStringDelete (name);
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}
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extern parserDefinition* TclParser (void)
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{
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static const char *const extensions [] = { "tcl", "tk", "wish", "itcl", NULL };
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parserDefinition* def = parserNew ("Tcl");
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def->kinds = TclKinds;
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def->kindCount = KIND_COUNT (TclKinds);
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def->extensions = extensions;
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def->parser = findTclTags;
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return def;
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}
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/* vi:set tabstop=4 shiftwidth=4: */
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