зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
2.8 KiB
C
118 строки
2.8 KiB
C
|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
||
|
|
*
|
||
|
|
* The contents of this file are subject to the Netscape Public License
|
||
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
||
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
||
|
|
* http://www.mozilla.org/NPL/
|
||
|
|
*
|
||
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||
|
|
* for the specific language governing rights and limitations under the
|
||
|
|
* NPL.
|
||
|
|
*
|
||
|
|
* The Initial Developer of this code under the NPL is Netscape
|
||
|
|
* Communications Corporation. Portions created by Netscape are
|
||
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||
|
|
* Reserved.
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
NADGrammar.c
|
||
|
|
|
||
|
|
Scott M. Silver
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef NADGRAMMAR_APP
|
||
|
|
/* Macintosh cruft for setting stdin */
|
||
|
|
#include <console.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <assert.h>
|
||
|
|
#include "NADOutput.h"
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
extern int lineno;
|
||
|
|
extern FILE* yyout;
|
||
|
|
|
||
|
|
char* gEmitterName = "PPCEmitter";
|
||
|
|
int gNextRuleNumber;
|
||
|
|
int gFirstRuleNumber;
|
||
|
|
extern int yyparse();
|
||
|
|
|
||
|
|
/*
|
||
|
|
[emittername] [emitterfile] [burg rule file] [first burg rule num]
|
||
|
|
PPCEmitter PPCEmitterRules PPC.burg 4
|
||
|
|
*/
|
||
|
|
|
||
|
|
main(int argc, char** argv)
|
||
|
|
{
|
||
|
|
extern int yydebug;
|
||
|
|
extern int gDebugLevel;
|
||
|
|
|
||
|
|
// yydebug = 0;
|
||
|
|
gDebugLevel = 0; /* set to 1 for interesting results */
|
||
|
|
|
||
|
|
#ifdef NADGRAMMAR_APP
|
||
|
|
/* Macintosh cruft for setting stdin */
|
||
|
|
argc = ccommand(&argv);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (argc < 4)
|
||
|
|
{
|
||
|
|
fprintf(stderr, "Atleast 3 arguments expected, got %d\n"
|
||
|
|
"Usage:\n"
|
||
|
|
"NADGrammar EmitterObjectName GlueFilePrefix BurgRulesFile\n"
|
||
|
|
" <stdin> is the input NAD file\n"
|
||
|
|
" <stdout> is the output of the implementation file\n"
|
||
|
|
"example\n"
|
||
|
|
" NADGrammar PPCEmitter PPCEmitterGlue PPCSpecificRules > PPCEmitterImpl.cpp\n"
|
||
|
|
, argc);
|
||
|
|
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
gEmitterName = argv[1];
|
||
|
|
gNextRuleNumber = 1;
|
||
|
|
|
||
|
|
fprintGeneratedHeader(stdout, gEmitterName);
|
||
|
|
|
||
|
|
yyparse();
|
||
|
|
|
||
|
|
{
|
||
|
|
char* rulesFn = argv[3];
|
||
|
|
char* implFn = (char*) malloc(strlen(argv[2]) + 1 + 4); /* + ".cpp" */
|
||
|
|
char* headerFn = (char*) malloc(strlen(argv[2]) + 1 + 2); /* + ".h" */
|
||
|
|
sprintf(implFn, "%s.cpp", argv[2]);
|
||
|
|
sprintf(headerFn, "%s.h", argv[2]);
|
||
|
|
assert(rulesFn && implFn && headerFn);
|
||
|
|
|
||
|
|
{
|
||
|
|
FILE* rulesFp = fopen(rulesFn, "w");
|
||
|
|
FILE* emImplFp = fopen(implFn, "w");
|
||
|
|
FILE* emHeaderFp = fopen(headerFn, "w");
|
||
|
|
|
||
|
|
assert(rulesFp && emImplFp && emHeaderFp);
|
||
|
|
|
||
|
|
fprintGeneratedHeader(emImplFp, implFn);
|
||
|
|
fprintGeneratedHeader(emHeaderFp, headerFn);
|
||
|
|
fprintRules(rulesFp, emImplFp, emHeaderFp);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
yyerror();
|
||
|
|
|
||
|
|
extern char* yytext;
|
||
|
|
|
||
|
|
int
|
||
|
|
yyerror()
|
||
|
|
{
|
||
|
|
fprintf(stderr, "%s", yytext);
|
||
|
|
fprintf(stderr, "Parse error line: %d\n", lineno);
|
||
|
|
exit(-1);
|
||
|
|
return (-1);
|
||
|
|
}
|