cs3500/spiveyt.l at master · TJSx/cs3500 · GitHub

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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
/* minir.l

*/

%{

%}

WSPACE [ \t\v\r]+
NEWLINE \n

DIGIT [0-9]
LETTER [a-zA-Z]

IDENT ({LETTER}|\_)+({LETTER}|{DIGIT}|\_)*

FLOATCONST (\+|-)?(({DIGIT})*\.({DIGIT})+)
INTCONST (\+|-)?{DIGIT}+

STRCONST (\")[^\"\t\v\r\n]+(\")
COMMENT #+.*


%%

"(" {
    printTokenInfo("LPAREN", yytext);
    return T_LPAREN;
}

")" {
    printTokenInfo("RPAREN", yytext);
    return T_RPAREN;
}

"{" {
    printTokenInfo("LBRACE", yytext);
    return T_LBRACE;
}

"}" {
    printTokenInfo("RBRACE", yytext);
    return T_RBRACE;
}

"[" {
    printTokenInfo("LBRACKET", yytext);
    return T_LBRACKET;
}

"]" {
    printTokenInfo("RBRACKET", yytext);
    return T_RBRACKET;
}

"+" {
    printTokenInfo("ADD", yytext);
    return T_ADD;
}

"-" {
    printTokenInfo("SUB", yytext);
    return T_SUB;
}

"*" {
    printTokenInfo("MULT", yytext);
    return T_MULT;
}

"/" {
    printTokenInfo("DIV", yytext);
    return T_DIV;
}

"%%" {
    printTokenInfo("MOD", yytext);
    return T_MOD;
}

"^" {
    printTokenInfo("POWER", yytext);
    return T_POW;
}

"<" {
    printTokenInfo("LT", yytext);
    return T_LT;
}

"<=" {
    printTokenInfo("LE", yytext);
    return T_LE;
}

">" {
    printTokenInfo("GT", yytext);
    return T_GT;
}

">=" {
    printTokenInfo("GE", yytext);
    return T_GE;
}

"==" {
    printTokenInfo("EQ", yytext);
    return T_EQ;
}

"!=" {
    printTokenInfo("NE", yytext);
    return T_NE;
}

"!" {
    printTokenInfo("NOT", yytext);
    return T_NOT;
}

"&" {
    printTokenInfo("AND", yytext);
    return T_AND;
}

"|" {
    printTokenInfo("OR", yytext);
    return T_OR;
}

"=" {
    printTokenInfo("ASSIGN", yytext);
    return T_ASSIGN;
}

";" {
    printTokenInfo("SEMICOLON", yytext);
    return T_SEMICOLON;
}

"," {
    printTokenInfo("COMMA", yytext);
    return T_COMMA;
}

"TRUE" {
    printTokenInfo("TRUE", yytext);
    yylval.text = strdup(yytext);
    return T_TRUE;
}

"FALSE" {
    printTokenInfo("FALSE", yytext);
    yylval.text = strdup(yytext);
    return T_FALSE;
}

"if" {
    printTokenInfo("IF", yytext);
    return T_IF;
}

"else" {
    printTokenInfo("ELSE", yytext);
    return T_ELSE;
}

"while" {
    printTokenInfo("WHILE", yytext);
    return T_WHILE;
}

"function" {
    printTokenInfo("FUNCTION", yytext);
    return T_FUNCTION;
}

"for" {
    printTokenInfo("FOR", yytext);
    return T_FOR;
}

"in" {
    printTokenInfo("IN", yytext);
    return T_IN;
}

"quit" {
    printTokenInfo("QUIT", yytext);
    return T_QUIT;
}

"print" {
    printTokenInfo("PRINT", yytext);
    return T_PRINT;
}

"cat" {
    printTokenInfo("CAT", yytext);
    return T_CAT;
}

"read" {
    printTokenInfo("READ", yytext);
    return T_READ;
}

"list" {
    printTokenInfo("LIST", yytext);
    return T_LIST;
}

{STRCONST} {
    printTokenInfo("STRCONST", yytext);
    yylval.text = strdup(yytext);
    return T_STRCONST;
}

{INTCONST} {
    printTokenInfo("INTCONST", yytext);
    yylval.text = strdup(yytext);
    return T_INTCONST;
}

{FLOATCONST} {
    printTokenInfo("FLOATCONST", yytext);
    yylval.text = strdup(yytext);
    return T_FLOATCONST;
}

{IDENT} {
    printTokenInfo("IDENT", yytext);
    yylval.text = strdup(yytext);
    return T_IDENT;
}

{NEWLINE} {
    line_num++;
}

{WSPACE} {}

{COMMENT} {}

. {
    printTokenInfo("UNKNOWN", yytext);
    return T_UNKNOWN;
}

%%