46 lines
1.6 KiB
Plaintext
46 lines
1.6 KiB
Plaintext
%{
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#include <string.h>
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#include "y.tab.h"
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%}
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%%
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"/*"(\.)*"*/" ;
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\n return NEWLINE;
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\".\" yylval.string=strdup(yytext); return STRING;
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[ \t] ;
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\\\n ;
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[0-9A-F]*(\.)?[0-9A-F]* yylval.number=atof(yytext); return NUMBER;
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auto return AUTO;
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break return BREAK;
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define return DEFINE;
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ibase return IBASE;
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if return IF;
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for return FOR;
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length return LENGTH;
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obase return OBASE;
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quit return QUIT;
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return return RETURN;
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scale return SCALE;
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sqrt return SQRT;
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while return WHILE;
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[a-z] yylval.letter_op=yytext[0]; return LETTER
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[-+*/%^]?= return ASSIGN_OP;
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=- ;
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[*/%] yylval.letter_op=yytext[0]; return MUL_OP;
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([=<>]?(=)?)|!= return REL_OP;
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\+\+|-- yylval.num_op=strcmp(yytext, "++"); return INCR_DECR;
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"(" return OPAREN;
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")" return CPAREN;
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, return COMMA;
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"+" return PLUS;
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- return MINUS;
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; return SEMICOLON;
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"[" return OSQR;
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"]" return CSQR;
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"^" return CARET;
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"{" return OCURL;
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"}" return CCURL;
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<<EOF>> return EOF;
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%% |