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%{
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#include <stdlib.h>
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#include "parser.h"
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#include "lang.tab.h"
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%}
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%%
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\"[^"\n]+\"? { yylval.expr = ast_string_alloc(yytext + 1); return IMM; }
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[0-9]+ { yylval.expr = ast_integer_alloc(atoi(yytext)); return IMM; }
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REM[^\n]+ { yylval.comment = ast_comment_alloc(yytext + 3, 1); return COMMENT; }
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'[^\n]+ { yylval.comment = ast_comment_alloc(yytext + 1, 0); return COMMENT; }
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[a-zA-Z]+ { yylval.token = ast_token_alloc(yytext); return TOKEN; }
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[\t ]+ { }
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. { return yytext[0]; }
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\n { return NL; }
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%%
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void begin_scan(char const *s) {
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yy_switch_to_buffer(yy_scan_string(s));
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}
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void finish_scan() {
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yy_delete_buffer(YY_CURRENT_BUFFER);
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}
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/* vim: set sw=4 et: */
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