77 lines
1.2 KiB
C
77 lines
1.2 KiB
C
/* $Id: toc.L,v 1.1 2005/10/27 11:20:21 rocky Exp $ -*- C -*- */
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/* cdrdao TOC scanner */
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%{
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#undef yywrap
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#ifdef STANDALONE
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#include <stdio.h>
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#endif
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#include "toc.tab.h"
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static int debug_lex=0;
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%}
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%union {
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unsigned long int val; /* For returning numbers. */
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char const * str; /* For returning stringss. */
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}
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integer [[:digit:]]+
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/* The below isn't octal. I'm just going by the name and pattern
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in the cdrdao pacct grammar. */
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stringoctal [[:digit:]]{3}
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spaces [[:blank:]\n\r]+
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# Need to expand this to include "octal" \000 and embedded quotes.
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string \".+\"
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%%
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{integer} {
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/*"*/
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return Integer;
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}
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{stringoctal} {
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/*"*/
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return StringOctal;
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}
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{spaces} {
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return Spaces;
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}
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%%
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#if STANDALONE
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int
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main( int argc, const char **argv )
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{
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int token;
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++argv, --argc; /* skip over program name */
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debug_lex = 1;
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if ( argc > 0 )
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yyin = fopen( argv[0], "r" );
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else
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yyin = stdin;
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while ((token=yylex()) != EOF) {
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switch (token) {
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case StringOctal:
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printf("StringOctal\n");
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break;
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case Spaces:
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printf("Spaces\n");
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break;
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case Integer:
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printf("Integer\n");
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break;
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default: ;
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}
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}
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return 0;
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}
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#endif
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