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/*
* $Id$
*
* Copyright (c) 2011, 2012 Steven Oliver <oliver.steven@gmail.com>
*
* 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 Falcon language
* files.
*/
/*
* INCLUDE FILES
*/
#include "general.h"
#include <string.h>
#include <ctype.h>
#include "parse.h"
#include "read.h"
/*
* Data Definitions
*/
typedef enum eFalconKinds {
K_CLASS,
K_FUNCTION,
K_MEMBER,
K_VARIABLE,
K_NAMESPACE
} falconKind;
static kindOption FalconKinds [] = {
{TRUE, 'c', "class", "classes" },
{TRUE, 'f', "function", "functions"},
{TRUE, 'm', "member", "class members"},
{TRUE, 'v', "variable", "variables"},
{TRUE, 'i', "namespace", "imports"}
};
/*
* Function Definitions
*/
static boolean isIdentifierChar (int c)
{
return (boolean) (isalnum (c) || c == '_');
}
static const char *skipSpace (const char *cp)
{
while (isspace ((int) *cp))
++cp;
return cp;
}
static const char *skipString (const char *cp)
{
const char *start = cp;
int escaped = 0;
for (cp++; *cp; cp++)
{
if (escaped)
escaped--;
else if (*cp == '\\')
escaped++;
else if (*cp == *start)
return cp + 1;
}
return cp;
}
static void findFalconTags (void)
{
vString *name = vStringNew ();
const unsigned char *line;
while ((line = fileReadLine ()) != NULL)
{
const unsigned char *cp = line;
if (*cp == '#')
continue;
if (strncmp ((const char*) cp, "function", (size_t) 8) == 0)
{
cp += 8;
cp = skipSpace (cp);
while (isIdentifierChar ((int) *cp))
{
vStringPut (name, (int) *cp);
++cp;
}
vStringTerminate (name);
makeSimpleTag (name, FalconKinds, K_FUNCTION);
vStringClear (name);
}
else if (strncmp ((const char*) cp, "class", (size_t) 5) == 0)
{
cp += 5;
cp = skipSpace (cp);
while (isIdentifierChar ((int) *cp))
{
vStringPut (name, (int) *cp);
++cp;
}
vStringTerminate (name);
makeSimpleTag (name, FalconKinds, K_CLASS);
vStringClear (name);
}
else if (strncmp ((const char*) cp, "load", (size_t) 4) == 0)
{
cp += 4;
cp = skipSpace (cp);
while (isIdentifierChar ((int) *cp))
{
vStringPut (name, (int) *cp);
++cp;
}
vStringTerminate (name);
makeSimpleTag (name, FalconKinds, K_NAMESPACE);
vStringClear (name);
}
}
vStringDelete (name);
}
/*
* Parser definition structure
*/
extern parserDefinition* FalconParser (void)
{
static const char *const extensions [] = { "fal", "ftd", NULL };
parserDefinition *def = parserNew ("Falcon");
def->kinds = FalconKinds;
def->kindCount = KIND_COUNT (FalconKinds);
def->extensions = extensions;
def->parser = findFalconTags;
return def;
}
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