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167 lines
2.6 KiB
167 lines
2.6 KiB
/*
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* Ajouter une pile contenant tout les environnements.
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*
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* To compil :
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* flex -+ -otexparser.cpp texparser.lex
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* g++ -o texparser texparser.cpp -lfl -lm
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*
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*/
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%{
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#define YY_NO_UNPUT
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#include <stdio.h>
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#include <string.h>
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#include <sys/param.h>
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#include <qstring.h>
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#include <qpair.h>
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#include <qmap.h>
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#include "element.h"
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#include "env.h"
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#include "command.h"
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#include "comment.h"
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#include "text.h"
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#include "texscaner.hh"
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int yyerror(const char*);
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//extern int idl_line_no;
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//%option yylineno
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%}
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%option noyywrap
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%x MATHMODE ENV
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b_math \\\(
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e_math \\\)
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math \$
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b_env \\begin\{{word}\}
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e_env \\end\{{word}\}
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command \\[a-zA-Z]+
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display \$\$
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comments \%.*\n
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ws [ \n\t]
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space ({ws}|\~|\\space)
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text [^\\\n\$\%\{\}\[\]\(\)\,]+
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word ({alphanum}|\*)+
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symbol ("$"("\\"{atoz}+|.)"$"|"\\#"|"\\$"|"\\%"|"\\ref")
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letter [A-Za-z]
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alphanum [A-Za-z0-9]
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%%
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<*>"{" return(LEFTBRACE);
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<*>"}" return(RIGHTBRACE);
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<*>"(" return(LEFTPARENTHESIS);
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<*>")" return(RIGHTPARENTHESIS);
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<*>"[" return(LEFTBRACKET);
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<*>"]" { printf("]"); return(RIGHTBRACKET); }
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<*>"=" return(EQUAL);
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<*>"," { printf(","); return(COMMA); }
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<*>{command} {
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printf("COMMAND ");
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//yylval.yyelement = new Command(yytext);
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yylval.yystring = strdup(yytext);
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return COMMAND;
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}
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<INITIAL,ENV>{b_env} {
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printf("BEGIN ENV ");
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yylval.yystring = strdup(yytext);
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BEGIN(ENV);
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return B_ENV;
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}
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<ENV>{e_env} {
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printf("END ENV ");
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yylval.yystring = strdup(yytext);
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BEGIN(INITIAL);
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return E_ENV;
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}
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<*>"\n" {
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printf("NL\n");
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//yylval.yystring = strdup(yytext);
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}
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<MATHMODE>{math} {
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printf("END MATH ENV ");
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yylval.yystring = strdup(yytext);
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BEGIN(INITIAL);
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return MATH;
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}
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<INITIAL,ENV>{math} {
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printf("BEGIN MATH ENV ");
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yylval.yystring = strdup(yytext);
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BEGIN(MATH);
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return MATH;
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}
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<*>{comments} {
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printf("COMMENT ");
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//yylval.yyelement = new Comment(yytext);
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yylval.yystring = strdup(yytext);
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return COMMENT;
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}
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<*>{text} {
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printf("TEXT (%s)", yytext);
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yylval.yystring = strdup(yytext);
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return TEXT;
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}
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%%
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/**/
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/*
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<*>{space} {
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printf(" ");
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yylval.yystring = strdup(yytext);
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return SPACES;
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}
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<*>{word} {
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printf("WORD (%s)", yytext);
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yylval.yystring = strdup(yytext);
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return WORD;
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}
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<MATHMODE>{texte} {
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printf("MATH TEXT");
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yylval.yystring = strdup(yytext);
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return TEXTMATH;
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}*/
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void setParseFile(TQString filename)
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{
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const char* file;
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if( filename.isNull())
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file = "";
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else
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file = filename.latin1();
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yyin = fopen(file, "r");
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if(!yyin)
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yyerror("Can't open file");
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yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
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}
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int yyerror(const char* s)
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{
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//yynerrs++;
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printf("\nline %s\n", s);
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//return 0;
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}
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