1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147
|
/*
* Copyright (c) 2000-2003, Darren Hiebert
*
* This source code is released for free distribution under the terms of the
* GNU General Public License.
*
* This module contains functions for generating tags for TCL scripts.
*/
/*
* INCLUDE FILES
*/
#include "general.h" /* must always come first */
#include <string.h>
#include "parse.h"
#include "read.h"
#include "vstring.h"
/*
* DATA DEFINITIONS
*/
typedef enum {
K_CLASS, K_METHOD, K_PROCEDURE, K_MODULE
} tclKind;
static kindOption TclKinds [] = {
{ TRUE, 'c', "class", "classes" },
{ TRUE, 'f', "member", "methods" },
{ TRUE, 'p', "function", "procedures" },
{ TRUE, 'm', "namespace", "modules" }
};
/*
* FUNCTION DEFINITIONS
*/
static const unsigned char *makeTclTag (
const unsigned char *cp,
vString *const name,
const tclKind kind)
{
vStringClear (name);
while ((int) *cp != '\0' && ! isspace ((int) *cp))
{
vStringPut (name, (int) *cp);
++cp;
}
vStringTerminate (name);
makeSimpleTag (name, TclKinds, kind);
return cp;
}
static boolean match (const unsigned char *line, const char *word)
{
size_t len = strlen (word);
boolean matched = (strncmp ((const char*) line, word, len) == 0);
if (matched)
{
/* check that the word is followed by a space to avoid detecting something
* like "proc_new ..." */
matched = isspace (*(line + len));
}
return matched;
}
static void findTclTags (void)
{
vString *name = vStringNew ();
const unsigned char *line;
while ((line = fileReadLine ()) != NULL)
{
const unsigned char *cp;
while (isspace (line [0]))
++line;
if (line [0] == '\0' || line [0] == '#')
continue;
/* read first word */
for (cp = line ; *cp != '\0' && ! isspace ((int) *cp) ; ++cp)
;
if (! isspace ((int) *cp))
continue;
while (isspace ((int) *cp))
++cp;
/* Now `line' points at first word and `cp' points at next word */
if (match (line, "proc"))
cp = makeTclTag (cp, name, K_PROCEDURE);
else if (match (line, "class") || match (line, "itcl::class"))
cp = makeTclTag (cp, name, K_CLASS);
else if (match (line, "public") ||
match (line, "protected") ||
match (line, "private"))
{
if (match (cp, "method"))
{
cp += 6;
while (isspace ((int) *cp))
++cp;
cp = makeTclTag (cp, name, K_METHOD);
}
}
else if (match (line, "method"))
{
cp = makeTclTag (cp, name, K_METHOD);
}
else if (match (line, "oo::class") ) {
if (match (cp, "create"))
{
cp += 6;
while (isspace ((int) *cp))
++cp;
cp = makeTclTag (cp, name, K_CLASS);
}
}
else if (match (line, "namespace") ) {
if (match (cp, "eval"))
{
cp += 4;
while (isspace ((int) *cp))
++cp;
cp = makeTclTag (cp, name, K_MODULE);
}
}
}
vStringDelete (name);
}
extern parserDefinition* TclParser (void)
{
static const char *const extensions [] = { "tcl", "tk", "wish", "itcl", NULL };
parserDefinition* def = parserNew ("Tcl");
def->kinds = TclKinds;
def->kindCount = KIND_COUNT (TclKinds);
def->extensions = extensions;
def->parser = findTclTags;
return def;
}
/* vi:set tabstop=4 shiftwidth=4: */
|