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44 lines
903 B
44 lines
903 B
%{ |
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#include <stdio.h> |
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#include "expression.h" |
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#include "parser.tab.h" |
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%} |
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%option reentrant |
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%option bison-bridge |
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%option nounput |
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%option noinput |
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%option noyywrap |
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%% |
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"\n" { return WEBDICE_TOKEN_EOL; } |
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-?[0-9]+ { |
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int64_t aux; |
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sscanf(yytext,"%lld",&aux); |
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(*(*yylval).exp).constant.id = WEBDICE_CONST; |
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(*(*yylval).exp).constant.value = aux; |
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return WEBDICE_TOKEN_CONST; |
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} |
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-?[0-9]+d[0-9]+ { |
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int64_t count,type; |
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sscanf(yytext,"%lldd%lld",&count,&type); |
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(*(*yylval).exp).roll.id = WEBDICE_ROLL; |
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(*(*yylval).exp).roll.count = count; |
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(*(*yylval).exp).roll.type = type; |
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return WEBDICE_TOKEN_ROLL; |
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} |
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"(" { return WEBDICE_TOKEN_LPAREN; } |
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")" { return WEBDICE_TOKEN_RPAREN; } |
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"*" { return WEBDICE_TOKEN_MUL; } |
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"/" { return WEBDICE_TOKEN_DIV; } |
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"+" { return WEBDICE_TOKEN_ADD; } |
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"-" { return WEBDICE_TOKEN_SUB; } |
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[ \t]+ {} |
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. { fprintf(stderr,"%s",yytext); return WEBDICE_TOKEN_EOL; } |
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%%
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