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matlab.c
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matlab.c
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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 Matlab scripts.
* The tags 'function' and 'struct' are parsed.
* Author Roland Baudin <roland65@free.fr>
*/
/*
* 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_FUNCTION,
K_STRUCT
} MatlabKind;
static kindOption MatlabKinds [] = {
{ TRUE, 'f', "function", "Functions" },
{ TRUE, 's', "struct", "Structures" },
};
/*
* FUNCTION DEFINITIONS
*/
static void findMatlabTags (void)
{
vString *name = vStringNew ();
const unsigned char *line;
const unsigned char *p;
while ((line = fileReadLine ()) != NULL)
{
int i, ic;
if (line [0] == '\0' || line [0] == '%')
continue;
/* search if the line has a comment */
for (ic = 0 ; line [ic] != '\0' && line [ic]!='%' ; ++ic)
;
/* function tag */
/* read first word */
for (i = 0 ; line [i] != '\0' && ! isspace (line [i]) ; ++i)
;
if (strncmp ((const char *) line, "function", (size_t) 8) == 0)
{
const unsigned char *cp = line + i;
const unsigned char *ptr = cp;
boolean eq=FALSE;
while (isspace ((int) *cp))
++cp;
/* search for '=' character in the line */
while (*ptr != '\0')
{
if (*ptr == '=')
{
eq=TRUE;
break;
}
ptr++;
}
/* '=' was found => get the right most part of the line after '=' and before '%' */
if (eq)
{
ptr++;
while (isspace ((int) *ptr))
++ptr;
while (*ptr != '\0' && *ptr != '%')
{
vStringPut (name, (int) *ptr);
++ptr;
}
}
/* '=' was not found => get the right most part of the line after
* 'function' and before '%' */
else
{
while (*cp != '\0' && *cp != '%')
{
vStringPut (name, (int) *cp);
++cp;
}
}
vStringTerminate (name);
makeSimpleTag (name, MatlabKinds, K_FUNCTION);
vStringClear (name);
}
/* struct tag */
/* search if the line contains the keyword 'struct' */
p=(const unsigned char*) strstr ((const char*) line, "struct");
/* and avoid the part after the '%' if any */
if ( p != NULL && ic>0 && p < line+ic)
{
const unsigned char *cp = line;
/* get the left most part of the line before '=' */
while (*cp != '\0' && !isspace(*cp) && *cp != '=' )
{
vStringPut (name, (int) *cp);
++cp;
}
vStringTerminate (name);
makeSimpleTag (name, MatlabKinds, K_STRUCT);
vStringClear (name);
}
}
vStringDelete (name);
}
extern parserDefinition* MatlabParser (void)
{
static const char *const extensions [] = { "m", NULL };
parserDefinition* def = parserNew ("Matlab");
def->kinds = MatlabKinds;
def->kindCount = KIND_COUNT (MatlabKinds);
def->extensions = extensions;
def->parser = findMatlabTags;
return def;
}
/* vi:set tabstop=8 shiftwidth=4: */