Commit | Line | Data |
---|---|---|
8e5c905e DP |
1 | %{ |
2 | #include <stdio.h> | |
3 | #include <string.h> | |
4 | #include <stdlib.h> | |
5 | #include <ctype.h> | |
6 | #include "itbl-parse.h" | |
7 | ||
8 | #ifdef DEBUG | |
9 | #define DBG(x) printf x | |
10 | #define MDBG(x) printf x | |
11 | #else | |
12 | #define DBG(x) | |
13 | #define MDBG(x) | |
14 | #endif | |
15 | ||
16 | int insntbl_line = 1; | |
17 | %} | |
18 | ||
19 | ALNUM [A-Za-z0-9_] | |
20 | DIGIT [0-9] | |
21 | ALPHA [A-Za-z_] | |
22 | HEX [0-9A-Fa-f] | |
23 | ||
24 | %% | |
25 | ||
26 | "creg"|"CREG" { | |
27 | return CREG; | |
28 | } | |
29 | "dreg"|"DREG" { | |
30 | return DREG; | |
31 | } | |
32 | "greg"|"GREG" { | |
33 | return GREG; | |
34 | } | |
35 | "immed"|"IMMED" { | |
36 | return IMMED; | |
37 | } | |
38 | "addr"|"ADDR" { | |
39 | return ADDR; | |
40 | } | |
41 | "insn"|"INSN" { | |
42 | return INSN; | |
43 | } | |
44 | "p"{DIGIT} { | |
45 | yytext[yyleng]=0; | |
46 | yylval.processor = strtoul(yytext+1,0,0); | |
47 | return PNUM; | |
48 | } | |
49 | {DIGIT}+ { | |
50 | yytext[yyleng]=0; | |
51 | yylval.num = strtoul(yytext,0,0); | |
52 | return NUM; | |
53 | } | |
54 | "0x"{HEX}+ { | |
55 | yytext[yyleng]=0; | |
56 | yylval.num = strtoul(yytext,0,0); | |
57 | return NUM; | |
58 | } | |
59 | {ALPHA}{ALNUM}* { | |
60 | yytext[yyleng]=0; | |
61 | yylval.str = strdup(yytext); | |
62 | return ID; | |
63 | } | |
64 | ";"|"#" { | |
65 | int c; | |
66 | while ((c = input()) != EOF) { | |
67 | if (c == '\n') | |
68 | { | |
69 | unput(c); | |
70 | break; | |
71 | } | |
72 | } | |
73 | } | |
74 | "\n" { | |
75 | insntbl_line++; | |
76 | MDBG(("in lex, NL=%d (x%x)\n",NL,NL)); | |
77 | return NL; | |
78 | } | |
79 | " "|"\t" { } | |
80 | . { | |
81 | MDBG(("char=%x,%d\n",yytext[0],yytext[0])); | |
82 | return yytext[0]; | |
83 | } | |
84 | %% | |
85 | ||
86 | int yywrap() { return 1; } |