demos: parser/calc/lexer.l@48f6f3918b82 (annotated)

37 0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	1	/**
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	2	* test/demos/parser/lexer.ll
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	3	* Copyright (C) 2008 Markus Broeker
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	4	*/
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	5
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	6	%{
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	7	#include <stdio.h>
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	8	#include "parser.h"
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	9	%}
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	10
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	11	%%
0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	12
38 48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	13	[0-9]+ { yylval = atoi(yytext); return DIGIT; }
48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	14	[a-zA-Z] { yylval = yytext[0]; return LETTER; }
48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	15	"+" { return PLUS; }
48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	16	"-" { return MINUS; }
48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	17	"*" { return MUL; }
48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	18	"/" { return DIV; }
48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	19	"("\|")"\|"=" { return yytext[0]; }
48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	20	[ \t]+ {}
48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	21	\n { return yytext[0]; }
48f6f3918b82 Project Split finished Markus Bröker <mbroeker@largo.localnet> parents: 37 diff changeset	22	. { printf("FEHLER: %s\n", yytext); }
37 0fbbe329c3a2 demos/parser Markus Bröker <mbroeker@largo.localnet> parents: diff changeset	23	%%

author	Markus Bröker <mbroeker@largo.localnet>
	Thu, 16 Apr 2009 12:49:11 +0200
changeset 38	48f6f3918b82
parent 37	0fbbe329c3a2
child 39	46d7ec9d63bd
permissions	-rw-r--r--