Florian Stinglmayr
92b909158c
Use tiny expression library (from Github) and expand it to provide dice expression parsing. This needs more testing obviously.
48 lines
903 B
Plaintext
48 lines
903 B
Plaintext
%define api.pure full
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%parse-param {void *scanner} {dice_t dice}
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%lex-param {void *scanner}
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%{
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#include "dice.h"
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extern int yylex(void *lval, void *scanner);
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void yyerror(void *scanner, dice_t dice, char const *err)
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{
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dice_set(dice, DICEOPTION_ERROR, err);
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}
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int yywrap(void)
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{
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return 1;
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}
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%}
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%union {
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char *str;
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int integer;
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double number;
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}
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%token TOK_DICESEP
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%token <integer> TOK_INTEGER
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%%
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dice: TOK_INTEGER TOK_DICESEP TOK_INTEGER
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{
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dice_set(dice, DICEOPTION_AMOUNT, $1);
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dice_set(dice, DICEOPTION_SIDES, $3);
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YYACCEPT;
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}
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| TOK_DICESEP TOK_INTEGER
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{
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dice_set(dice, DICEOPTION_AMOUNT, 1);
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dice_set(dice, DICEOPTION_SIDES, $2);
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YYACCEPT;
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}
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;
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