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/*
* 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: */
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