-
Notifications
You must be signed in to change notification settings - Fork 0
/
hwlex.l
41 lines (37 loc) · 1.6 KB
/
hwlex.l
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
%{
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "y.tab.h"
extern char *message;
extern char *identifier;
%}
%%
"PROGRAM" return TOKPROGRAM;
";" return TOKSEMICOLON;
":" return TOKCOLON;
"," return TOKCOMMA;
"CANVAS-INIT-SECTION" return TOKCANVASINITSECTION;
"CONST" return TOKCONST;
"CanvasX" return TOKCANVASX;
"CanvasY" return TOKCANVASY;
"CursorX" return TOKCURSORX;
"CursorY" return TOKCURSORY;
"=" return TOKEQUAL;
"BRUSH-DECLARATION-SECTION" return TOKBRUSHDECLARATIONSECTION;
"BRUSH" return TOKBRUSH;
"DRAWING-SECTION" return TOKDRAWINGSECTION;
"RENEW-BRUSH" return TOKRENEWBRUSH;
"PAINT-CANVAS" return TOKPAINTCANVAS;
"EXHIBIT-CANVAS" return TOKEXHIBITCANVAS;
"MOVE" return TOKMOVE;
"TO" return TOKTO;
"PLUS" return TOKPLUS;
"MINUS" return TOKMINUS;
\'.*\' message=strdup(yytext);message[strlen(message)-1]='\0';message++;return TOKMESSAGE;
!!.*\n ;
[+-]?[0-9]+ yylval=atoi(yytext);return TOKINTLIT;
[a-zA-Z0-9]+ identifier=strdup(yytext);return TOKID;
[^\n ] return TOKERROR;
\n ;
%%