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📄 parser.y

📁 flex
💻 Y
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/* * This file is part of flex. *  * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: *  * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. *  * Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. *  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE. *//* A dummy template parser to build "parser.c" and "parser.h".   How to compile:   bison --defines --output-file="parser.c" --name-prefix="test" parser.y */%{#include <stdio.h>#include <stdlib.h>#include "config.h"#define YYERROR_VERBOSE 1       /* For debugging.   *//* #define YYPARSE_PARAM scanner  */ /* For pure bison parser. *//* #define YYLEX_PARAM   scanner  */ /* For reentrant flex. */int yyerror(char* msg);extern int testlex();%}%%rule:  ;%%int yyerror(char* msg) {    fprintf(stderr,"%s\n",msg);    return 0;}/*intmain ( int argc, char** argv ){    yyparse ();    return 0;}*/

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