Commit | Line | Data |
---|---|---|
bc2ed385 | 1 | %{ |
22d68ad0 | 2 | /* lang.l 1.12 82/10/25 */ |
bc2ed385 MT |
3 | |
4 | #include <ctype.h> | |
5 | #include "y.tab.h" | |
6 | #include "config.h" | |
7 | ||
8 | #define tprintf if (do_trace) printf | |
b3043913 | 9 | |
bc2ed385 MT |
10 | /* |
11 | * Key word table | |
12 | */ | |
13 | ||
14 | struct kt { | |
15 | char *kt_name; | |
16 | int kt_val; | |
17 | } key_words[] = { | |
0bf41cfc | 18 | "machine", MACHINE, |
bc2ed385 MT |
19 | "cpu", CPU, "ident", IDENT, "config", CONFIG, "options", OPTIONS, |
20 | "device", DEVICE, "controller", CONTROLLER, "uba", UBA, "mba", MBA, | |
21 | "csr", CSR, "nexus", NEXUS, "drive", DRIVE, "vector", VECTOR, | |
22 | "pseudo-device", PSEUDO_DEVICE, "flags", FLAGS, "trace", TRACE, | |
5ff81582 | 23 | "disk", DISK, "tape", DEVICE, "slave", SLAVE, "at", AT, |
a5e18d6b | 24 | "hz", HZ, "timezone", TIMEZONE, "dst", DST, "maxusers", MAXUSERS, |
0bf41cfc | 25 | "master", MASTER, "priority", PRIORITY, |
bc2ed385 MT |
26 | 0,0, |
27 | }; | |
28 | %} | |
b3043913 | 29 | WORD [A-Za-z_][-A-Za-z_]* |
bc2ed385 MT |
30 | %% |
31 | {WORD} { | |
32 | int i; | |
33 | ||
34 | if ((i = kw_lookup(yytext)) == -1) | |
35 | { | |
22d68ad0 | 36 | yylval.str = yytext; |
bc2ed385 MT |
37 | tprintf("id(%s) ", yytext); |
38 | return ID; | |
39 | } | |
40 | tprintf("(%s) ", yytext); | |
41 | return i; | |
42 | } | |
dea0cacc MT |
43 | \"[^"]+\" { |
44 | yytext[strlen(yytext)-1] = '\0'; | |
22d68ad0 | 45 | yylval.val = yytext + 1; |
dea0cacc MT |
46 | return ID; |
47 | } | |
bc2ed385 | 48 | 0[0-7]* { |
22d68ad0 BJ |
49 | yylval.val = octal(yytext); |
50 | tprintf("#O:%o ", yylval.val); | |
bc2ed385 MT |
51 | return NUMBER; |
52 | } | |
53 | 0x[0-9a-f]+ { | |
22d68ad0 BJ |
54 | yylval.val = hex(yytext); |
55 | tprintf("#X:%x ", yylval.val); | |
bc2ed385 MT |
56 | return NUMBER; |
57 | } | |
58 | [1-9][0-9]* { | |
22d68ad0 BJ |
59 | yylval.val = atoi(yytext); |
60 | tprintf("#D:%d ", yylval.val); | |
bc2ed385 MT |
61 | return NUMBER; |
62 | } | |
a5e18d6b | 63 | [0-9]"."[0-9]* { |
22d68ad0 BJ |
64 | double atof(); |
65 | yylval.val = (int) (60 * atof(yytext) + 0.5); | |
a5e18d6b MT |
66 | return FPNUMBER; |
67 | } | |
57b7808b BJ |
68 | "-" { |
69 | return MINUS; | |
70 | } | |
bc2ed385 | 71 | "?" { |
22d68ad0 | 72 | yylval.val = -1; |
bc2ed385 MT |
73 | tprintf("? "); |
74 | return NUMBER; | |
75 | } | |
76 | \n/[ \t] { | |
77 | yyline++; | |
78 | tprintf("\n... "); | |
79 | } | |
80 | \n { | |
81 | yyline++; | |
82 | tprintf("\n"); | |
83 | return SEMICOLON; | |
84 | } | |
45a827f6 | 85 | #.* { /* Ignored (comment) */; } |
bc2ed385 MT |
86 | [ \t]* { /* Ignored (white space) */; } |
87 | ";" { return SEMICOLON; } | |
9c98d1fb | 88 | "," { return COMMA; } |
45a827f6 | 89 | "=" { return EQUALS; } |
0bf41cfc | 90 | "@" { return AT; } |
45a827f6 RE |
91 | . { return yytext[0]; } |
92 | ||
bc2ed385 MT |
93 | %% |
94 | /* | |
95 | * kw_lookup | |
96 | * Look up a string in the keyword table. Returns a -1 if the | |
97 | * string is not a keyword otherwise it returns the keyword number | |
98 | */ | |
99 | ||
100 | kw_lookup(word) | |
101 | register char *word; | |
102 | { | |
103 | register struct kt *kp; | |
104 | ||
105 | for (kp = key_words; kp->kt_name != 0; kp++) | |
106 | if (eq(word, kp->kt_name)) | |
107 | return kp->kt_val; | |
108 | return -1; | |
109 | } | |
110 | ||
111 | /* | |
112 | * Number conversion routines | |
113 | */ | |
114 | ||
115 | octal(str) | |
116 | char *str; | |
117 | { | |
118 | int num; | |
119 | ||
22d68ad0 | 120 | (void) sscanf(str, "%o", &num); |
bc2ed385 MT |
121 | return num; |
122 | } | |
123 | ||
124 | hex(str) | |
125 | char *str; | |
126 | { | |
127 | int num; | |
128 | ||
22d68ad0 | 129 | (void) sscanf(str+2, "%x", &num); |
bc2ed385 MT |
130 | return num; |
131 | } |