aa4a582f1b
* examples/calculator/, examples/internal/: Were renamed as ... * examples/bddcalc/, examples/bddtest/: ... these. * configure.ac: Adjust version and output Makefiles. * examples/Makefile.am (SUBDIRS): Adjust subdir renaming. * examples/cmilner/milner.c, examples/fdd/statespace.cxx: Were renamed as ... * examples/cmilner/cmilner.c, examples/fdd/fdd.cxx: ... these. * examples/cmilner/Makefile.am, examples/fdd/Makefile.am: Adjust accordingly. * src/Makefile.am (AM_CPPFLAGS): Define VERSION.
101 lines
2.4 KiB
Text
101 lines
2.4 KiB
Text
/*************************************************************************
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FILE: lexer.l
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DESCR: FLEX rules for BDD calculator
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AUTH: Jorn Lind
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DATE: (C) may 1999
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*************************************************************************/
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%{
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#include <string.h>
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#include <stdlib.h>
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#include "parser_.h"
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#include "parser.h"
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%}
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/*************************************************************************
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Macros and sub-lexers
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*************************************************************************/
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DIGIT [0-9]
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ID [a-zA-Z_][a-zA-Z0-9_]*
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LINE [^\n]
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%x COMM
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%%
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/**************************************************************************
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Tokens
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**************************************************************************/
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/* Keywords */
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"initial" return T_initial;
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"inputs" return T_inputs;
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"actions" return T_actions;
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"exist" return T_exist;
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"forall" return T_forall;
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"size" return T_size;
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"dot" return T_dot;
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"autoreorder" return T_autoreorder;
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"reorder" return T_reorder;
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"win2" return T_win2;
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"win2ite" return T_win2ite;
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"sift" return T_sift;
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"siftite" return T_siftite;
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"none" return T_none;
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"cache" return T_cache;
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"tautology" return T_tautology;
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"true" return T_true;
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"false" return T_false;
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"print" return T_print;
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/* Symbols and operators */
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"." return T_dot;
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"(" return T_lpar;
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")" return T_rpar;
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";" return T_semi;
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"=" return T_equal;
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"<>" return T_biimp;
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"=>" return T_imp;
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"|" return T_or;
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"^" return T_xor;
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"&" return T_and;
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"~" return T_not;
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"biimp" return T_biimp;
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"imp" return T_imp;
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"or" return T_or;
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"xor" return T_xor;
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"and" return T_and;
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"not" return T_not;
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"nand" return T_nand;
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"nor" return T_nor;
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/* Identifiers and constant values */
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{ID} { strncpy(yylval.id, yytext, MAXIDLEN); return T_id; }
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{DIGIT}+ { yylval.ival = atol(yytext); return T_intval; }
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/* Strings */
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\"[^\"]*\" { yylval.str=sdup(yytext+1);
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yylval.str[strlen(yylval.str)-1]=0; return T_str; }
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/* Whitespace */
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[\n] { linenum++; }
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[\r\t\f ] /* ignore blanks */
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"//"{LINE}* /* Remove one line comments */
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/**************************************************************************
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Remove multi line comments
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**************************************************************************/
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"/*" BEGIN COMM;
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<COMM>[^*\n]* /* ignore */
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<COMM>"*"[^*/\n]* /* ignore */
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<COMM>\n { linenum++; }
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<COMM>"*/" BEGIN INITIAL;
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. { yyerror("Unknown symbol"); }
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