+/*
+ * Copyright (C) 2012
+ * Wolfgang Bumiller
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gmqcc.h"
#include "lexer.h"
+/*
+ * List of Keywords
+ */
+
+/* original */
+static const char *keywords_qc[] = {
+ "for", "do", "while",
+ "if", "else",
+ "local",
+ "return",
+ "const"
+};
+static size_t num_keywords_qc = sizeof(keywords_qc) / sizeof(keywords_qc[0]);
+
+/* For fte/gmgqcc */
+static const char *keywords_fg[] = {
+ "switch", "case", "default",
+ "struct", "union",
+ "break", "continue",
+ "typedef"
+};
+static size_t num_keywords_fg = sizeof(keywords_fg) / sizeof(keywords_fg[0]);
+
+/*
+ * Lexer code
+ */
+
char* *lex_filenames;
void lexerror(lex_file *lex, const char *fmt, ...)
{
- va_list ap;
+ va_list ap;
- va_start(ap, fmt);
- if (lex)
+ va_start(ap, fmt);
+ if (lex)
con_vprintmsg(LVL_ERROR, lex->name, lex->sline, "parse error", fmt, ap);
else
con_vprintmsg(LVL_ERROR, "", 0, "parse error", fmt, ap);
- va_end(ap);
+ va_end(ap);
}
bool lexwarn(lex_file *lex, int warntype, const char *fmt, ...)
{
- va_list ap;
- int lvl = LVL_WARNING;
+ va_list ap;
+ int lvl = LVL_WARNING;
if (!OPTS_WARN(warntype))
return false;
if (opts_werror)
- lvl = LVL_ERROR;
+ lvl = LVL_ERROR;
- va_start(ap, fmt);
+ va_start(ap, fmt);
con_vprintmsg(lvl, lex->name, lex->sline, "warning", fmt, ap);
- va_end(ap);
+ va_end(ap);
- return opts_werror;
+ return opts_werror;
}
if (!strcmp(param, "line")) {
if (lex->push_line)
lex->push_line--;
+ --line;
}
else
goto unroll;
}
+ else if (!strcmp(command, "file")) {
+ lex->name = util_strdup(param);
+ vec_push(lex_filenames, lex->name);
+ }
+ else if (!strcmp(command, "line")) {
+ line = strtol(param, NULL, 0)-1;
+ }
else
goto unroll;
- while (ch != '\n')
- ch = lex_getch(lex);
lex->line = line;
+ while (ch != '\n' && ch != EOF)
+ ch = lex_getch(lex);
return true;
unroll:
ch = lex_getch(lex);
while (ch != EOF && isspace(ch)) {
if (ch == '\n') {
- if (lex_try_pragma(lex)) {
- ch = lex_getch(lex);
+ if (lex_try_pragma(lex))
continue;
- }
}
if (lex->flags.preprocessing) {
if (ch == '\n') {
}
break;
}
+ lex_ungetch(lex, ch);
}
if (lex->flags.preprocessing) {
- lex_tokench(lex, ' '); /* ch); */
+ if (ch == '\n')
+ lex_tokench(lex, '\n');
+ else
+ lex_tokench(lex, ' '); /* ch); */
}
}
ch = ' '; /* cause TRUE in the isspace check */
int lex_do(lex_file *lex)
{
- int ch, nextch;
+ int ch, nextch, thirdch;
lex_token_new(lex);
#if 0
if (!strcmp(v, "flush"))
{
- size_t frame;
- for (frame = 0; frame < vec_size(lex->frames); ++frame)
- mem_d(lex->frames[frame].name);
+ size_t fi;
+ for (fi = 0; fi < vec_size(lex->frames); ++fi)
+ mem_d(lex->frames[fi].name);
vec_free(lex->frames);
/* skip line (fteqcc does it too) */
ch = lex_getch(lex);
{
case '[':
case '(':
+ case ':':
+ case '?':
lex_tokench(lex, ch);
lex_endtoken(lex);
if (lex->flags.noops)
return (lex->tok.ttype = TOKEN_OPERATOR);
case ')':
case ';':
- case ':':
case '{':
case '}':
case ']':
lex_tokench(lex, nextch);
} else if (ch == '-' && nextch == '>') {
lex_tokench(lex, nextch);
+ } else if (ch == '&' && nextch == '~') {
+ thirdch = lex_getch(lex);
+ if (thirdch != '=') {
+ lex_ungetch(lex, thirdch);
+ lex_ungetch(lex, nextch);
+ }
+ else {
+ lex_tokench(lex, nextch);
+ lex_tokench(lex, thirdch);
+ }
} else
lex_ungetch(lex, nextch);
} else if (!strcmp(v, "vector")) {
lex->tok.ttype = TOKEN_TYPENAME;
lex->tok.constval.t = TYPE_VECTOR;
- } else if (!strcmp(v, "for") ||
- !strcmp(v, "while") ||
- !strcmp(v, "do") ||
- !strcmp(v, "if") ||
- !strcmp(v, "else") ||
- !strcmp(v, "local") ||
- !strcmp(v, "return") ||
- !strcmp(v, "not") ||
- !strcmp(v, "const"))
- {
- lex->tok.ttype = TOKEN_KEYWORD;
- }
- else if (opts_standard != COMPILER_QCC)
- {
- /* other standards reserve these keywords */
- if (!strcmp(v, "switch") ||
- !strcmp(v, "struct") ||
- !strcmp(v, "union") ||
- !strcmp(v, "break") ||
- !strcmp(v, "continue") ||
- !strcmp(v, "var"))
- {
- lex->tok.ttype = TOKEN_KEYWORD;
+ } else {
+ size_t kw;
+ for (kw = 0; kw < num_keywords_qc; ++kw) {
+ if (!strcmp(v, keywords_qc[kw]))
+ return (lex->tok.ttype = TOKEN_KEYWORD);
+ }
+ if (opts_standard != COMPILER_QCC) {
+ for (kw = 0; kw < num_keywords_fg; ++kw) {
+ if (!strcmp(v, keywords_fg[kw]))
+ return (lex->tok.ttype = TOKEN_KEYWORD);
+ }
}
}
projects / xonotic / gmqcc.git / blobdiff