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/*
*
* Copyright (c) 2000-2001, 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 Python language
* files.
*/
/*
* 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_FUNCTION
} pythonKind;
static kindOption PythonKinds [] = {
{ TRUE, 'c', "class", "classes" },
{ TRUE, 'f', "function", "functions" }
};
/*
* FUNCTION DEFINITIONS
*/
static void findPythonTags (void)
{
vString *name = vStringNew ();
const unsigned char *line;
boolean inMultilineString = FALSE;
while ((line = fileReadLine ()) != NULL)
{
const unsigned char *cp = line;
while (*cp != '\0')
{
if (*cp=='"' &&
strncmp ((const char*) cp, "\"\"\"", (size_t) 3) == 0)
{
inMultilineString = (boolean) !inMultilineString;
cp += 3;
}
if (inMultilineString || isspace ((int) *cp))
++cp;
else if (*cp == '#')
break;
else if (strncmp ((const char*) cp, "class", (size_t) 5) == 0)
{
cp += 5;
if (isspace ((int) *cp))
{
while (isspace ((int) *cp))
++cp;
while (isalnum ((int) *cp) || *cp == '_')
{
vStringPut (name, (int) *cp);
++cp;
}
vStringTerminate (name);
makeSimpleTag (name, PythonKinds, K_CLASS);
vStringClear (name);
}
}
else if (strncmp ((const char*) cp, "def", (size_t) 3) == 0)
{
cp += 3;
if (isspace ((int) *cp))
{
while (isspace ((int) *cp))
++cp;
while (isalnum ((int) *cp) || *cp == '_')
{
vStringPut (name, (int) *cp);
++cp;
}
vStringTerminate (name);
makeSimpleTag (name, PythonKinds, K_FUNCTION);
vStringClear (name);
}
}
else if (*cp != '\0')
{
do
++cp;
while (isalnum ((int) *cp) || *cp == '_');
}
}
}
vStringDelete (name);
}
extern parserDefinition* PythonParser (void)
{
static const char *const extensions [] = { "py", "python", NULL };
parserDefinition* def = parserNew ("Python");
def->kinds = PythonKinds;
def->kindCount = KIND_COUNT (PythonKinds);
def->extensions = extensions;
def->parser = findPythonTags;
return def;
}
/* vi:set tabstop=8 shiftwidth=4: */
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