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/*
* Copyright (c) 1998, 1999, 2000, 2002, 2003, 2005, 2010
* Tama Communications Corporation
*
* This file is part of GNU GLOBAL.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#include "internal.h"
#include "die.h"
#include "strlimcpy.h"
#include "token.h"
#include "java_res.h"
#define MAXCOMPLETENAME 1024 /* max size of complete name of class */
#define MAXCLASSSTACK 100 /* max size of class stack */
/*
* java: read java file and pickup tag entries.
*/
void
java(const struct parser_param *param)
{
int c;
int level; /* brace level */
int startclass, startthrows, startequal;
char classname[MAXTOKEN];
char completename[MAXCOMPLETENAME];
int classlevel;
struct {
char *classname;
char *terminate;
int level;
} stack[MAXCLASSSTACK];
const char *interested = "{}=;@";
*classname = *completename = 0;
stack[0].classname = completename;
stack[0].terminate = completename;
stack[0].level = 0;
level = classlevel = 0;
startclass = startthrows = startequal = 0;
if (!opentoken(param->file))
die("'%s' cannot open.", param->file);
while ((c = nexttoken(interested, java_reserved_word)) != EOF) {
switch (c) {
case SYMBOL: /* symbol */
for (; c == SYMBOL && peekc(1) == '.'; c = nexttoken(interested, java_reserved_word)) {
PUT(PARSER_REF_SYM, token, lineno, sp);
}
if (c != SYMBOL)
break;
if (startclass || startthrows) {
PUT(PARSER_REF_SYM, token, lineno, sp);
} else if (peekc(0) == '('/* ) */) {
if (level == stack[classlevel].level && !startequal)
/* ignore constructor */
if (strcmp(stack[classlevel].classname, token))
PUT(PARSER_DEF, token, lineno, sp);
if (level > stack[classlevel].level || startequal)
PUT(PARSER_REF_SYM, token, lineno, sp);
} else {
PUT(PARSER_REF_SYM, token, lineno, sp);
}
break;
case '{': /* } */
DBG_PRINT(level, "{"); /* } */
++level;
if (startclass) {
char *p = stack[classlevel].terminate;
char *q = classname;
if (++classlevel >= MAXCLASSSTACK)
die("class stack over flow.[%s]", curfile);
if (classlevel > 1)
*p++ = '.';
stack[classlevel].classname = p;
while (*q)
*p++ = *q++;
stack[classlevel].terminate = p;
stack[classlevel].level = level;
*p++ = 0;
}
startclass = startthrows = 0;
break;
/* { */
case '}':
if (--level < 0) {
if (param->flags & PARSER_WARNING)
warning("missing left '{' (at %d).", lineno); /* } */
level = 0;
}
if (level < stack[classlevel].level)
*(stack[--classlevel].terminate) = 0;
/* { */
DBG_PRINT(level, "}");
break;
case '=':
startequal = 1;
break;
case ';':
startclass = startthrows = startequal = 0;
break;
case JAVA_CLASS:
case JAVA_INTERFACE:
case JAVA_ENUM:
case JAVA_RECORD:
if ((c = nexttoken(interested, java_reserved_word)) == SYMBOL) {
strlimcpy(classname, token, sizeof(classname));
startclass = 1;
PUT(PARSER_DEF, token, lineno, sp);
}
break;
case JAVA_NEW:
case JAVA_INSTANCEOF:
while ((c = nexttoken(interested, java_reserved_word)) == SYMBOL && peekc(1) == '.')
PUT(PARSER_REF_SYM, token, lineno, sp);
if (c == SYMBOL)
PUT(PARSER_REF_SYM, token, lineno, sp);
break;
case JAVA_THROWS:
startthrows = 1;
break;
case JAVA_BOOLEAN:
case JAVA_BYTE:
case JAVA_CHAR:
case JAVA_DOUBLE:
case JAVA_FLOAT:
case JAVA_INT:
case JAVA_LONG:
case JAVA_SHORT:
case JAVA_VOID:
if (peekc(1) == '.' && (c = nexttoken(interested, java_reserved_word)) != JAVA_CLASS)
pushbacktoken();
break;
case '@':
/* skip through annotations */
if (nexttoken(interested, java_reserved_word) == SYMBOL) {
if (peekc(0) == '(') {
int paren_count = 0;
int in_annot = 1;
while (in_annot) {
c = nexttoken("()", java_reserved_word);
if (c == '(') {
++paren_count;
} else if (c == ')') {
--paren_count;
in_annot = (paren_count > 0);
}
}
}
}
break;
default:
break;
}
}
closetoken();
}
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