libdice/lib/dice_lexer.l

%option bison-bridge
%option reentrant

%{
#define YYSTYPE DPSTYPE
#include "dice.h"
#include "dice_parse.h"

extern void dice_update_consumed(dice_t d, int off);

%}

%%
[0-9]+ {
    dice_t d = yyget_extra(yyscanner);
    dice_update_consumed(d, yyleng);
    yylval->integer = atoi(yytext);
    return TOK_INTEGER;
}

[d] {
    dice_t d = yyget_extra(yyscanner);
    dice_update_consumed(d, yyleng);
    return TOK_DICESEP;
}

[fF] {
    dice_t d = yyget_extra(yyscanner);
    dice_update_consumed(d, yyleng);
    return TOK_FUDGE;
}

%%
make the parser reentrant 2018-02-14 19:31:52 +01:00			`%option bison-bridge`
			`%option reentrant`

first version of libdice 2018-02-13 20:27:38 +01:00			`%{`
differentiate libdice flex/bison with prefix "dp" This allows the library to be linked with other libraries that also use flex and bison. 2018-05-11 16:57:55 +02:00			`#define YYSTYPE DPSTYPE`
first version of libdice 2018-02-13 20:27:38 +01:00			`#include "dice.h"`
			`#include "dice_parse.h"`
make the parser reentrant 2018-02-14 19:31:52 +01:00
add tiny expression library and make it a dice expression parser Use tiny expression library (from Github) and expand it to provide dice expression parsing. This needs more testing obviously. 2018-02-17 10:52:46 +01:00			`extern void dice_update_consumed(dice_t d, int off);`

first version of libdice 2018-02-13 20:27:38 +01:00			`%}`

			`%%`
make the parser reentrant 2018-02-14 19:31:52 +01:00			`[0-9]+ {`
add tiny expression library and make it a dice expression parser Use tiny expression library (from Github) and expand it to provide dice expression parsing. This needs more testing obviously. 2018-02-17 10:52:46 +01:00			`dice_t d = yyget_extra(yyscanner);`
			`dice_update_consumed(d, yyleng);`
make the parser reentrant 2018-02-14 19:31:52 +01:00			`yylval->integer = atoi(yytext);`
			`return TOK_INTEGER;`
			`}`

			`[d] {`
add tiny expression library and make it a dice expression parser Use tiny expression library (from Github) and expand it to provide dice expression parsing. This needs more testing obviously. 2018-02-17 10:52:46 +01:00			`dice_t d = yyget_extra(yyscanner);`
			`dice_update_consumed(d, yyleng);`
make the parser reentrant 2018-02-14 19:31:52 +01:00			`return TOK_DICESEP;`
			`}`
implement fudge dices, complete with unit tests 2018-03-23 17:44:52 +01:00
			`[fF] {`
			`dice_t d = yyget_extra(yyscanner);`
			`dice_update_consumed(d, yyleng);`
			`return TOK_FUDGE;`
			`}`

first version of libdice 2018-02-13 20:27:38 +01:00			`%%`