-rw-r--r-- | scripts/kconfig/zconf.l | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 1471630..55517b2 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l | |||
@@ -51,209 +51,216 @@ void append_string(const char *str, int size) | |||
51 | text_asize = new_size; | 51 | text_asize = new_size; |
52 | text_ptr = text + text_size; | 52 | text_ptr = text + text_size; |
53 | } | 53 | } |
54 | memcpy(text_ptr, str, size); | 54 | memcpy(text_ptr, str, size); |
55 | text_ptr += size; | 55 | text_ptr += size; |
56 | text_size += size; | 56 | text_size += size; |
57 | *text_ptr = 0; | 57 | *text_ptr = 0; |
58 | } | 58 | } |
59 | 59 | ||
60 | void alloc_string(const char *str, int size) | 60 | void alloc_string(const char *str, int size) |
61 | { | 61 | { |
62 | text = malloc(size + 1); | 62 | text = malloc(size + 1); |
63 | memcpy(text, str, size); | 63 | memcpy(text, str, size); |
64 | text[size] = 0; | 64 | text[size] = 0; |
65 | } | 65 | } |
66 | %} | 66 | %} |
67 | 67 | ||
68 | ws[ \n\t] | 68 | ws[ \n\t] |
69 | n[A-Za-z0-9_] | 69 | n[A-Za-z0-9_] |
70 | 70 | ||
71 | %% | 71 | %% |
72 | int str = 0; | 72 | int str = 0; |
73 | int ts, i; | 73 | int ts, i; |
74 | 74 | ||
75 | [ \t]*#.*\ncurrent_file->lineno++; | 75 | [ \t]*#.*\ncurrent_file->lineno++; |
76 | [ \t]*#.* | 76 | [ \t]*#.* |
77 | 77 | ||
78 | [ \t]*\ncurrent_file->lineno++; return T_EOL; | 78 | [ \t]*\ncurrent_file->lineno++; return T_EOL; |
79 | 79 | ||
80 | [ \t]+{ | 80 | [ \t]+{ |
81 | BEGIN(COMMAND); | 81 | BEGIN(COMMAND); |
82 | } | 82 | } |
83 | 83 | ||
84 | .{ | 84 | .{ |
85 | unput(yytext[0]); | 85 | unput(yytext[0]); |
86 | BEGIN(COMMAND); | 86 | BEGIN(COMMAND); |
87 | } | 87 | } |
88 | 88 | ||
89 | 89 | ||
90 | <COMMAND>{ | 90 | <COMMAND>{ |
91 | "mainmenu" BEGIN(PARAM); return T_MAINMENU; | 91 | "mainmenu" BEGIN(PARAM); return T_MAINMENU; |
92 | "menu" BEGIN(PARAM); return T_MENU; | 92 | "menu" BEGIN(PARAM); return T_MENU; |
93 | "endmenu" BEGIN(PARAM); return T_ENDMENU; | 93 | "endmenu" BEGIN(PARAM); return T_ENDMENU; |
94 | "source" BEGIN(PARAM); return T_SOURCE; | 94 | "source" BEGIN(PARAM); return T_SOURCE; |
95 | "choice" BEGIN(PARAM); return T_CHOICE; | 95 | "choice" BEGIN(PARAM); return T_CHOICE; |
96 | "endchoice" BEGIN(PARAM); return T_ENDCHOICE; | 96 | "endchoice" BEGIN(PARAM); return T_ENDCHOICE; |
97 | "comment" BEGIN(PARAM); return T_COMMENT; | 97 | "comment" BEGIN(PARAM); return T_COMMENT; |
98 | "config" BEGIN(PARAM); return T_CONFIG; | 98 | "config" BEGIN(PARAM); return T_CONFIG; |
99 | "menuconfig" BEGIN(PARAM); return T_MENUCONFIG; | ||
99 | "help" BEGIN(PARAM); return T_HELP; | 100 | "help" BEGIN(PARAM); return T_HELP; |
100 | "if" BEGIN(PARAM); return T_IF; | 101 | "if" BEGIN(PARAM); return T_IF; |
101 | "endif" BEGIN(PARAM); return T_ENDIF; | 102 | "endif" BEGIN(PARAM); return T_ENDIF; |
102 | "depends" BEGIN(PARAM); return T_DEPENDS; | 103 | "depends" BEGIN(PARAM); return T_DEPENDS; |
103 | "requires" BEGIN(PARAM); return T_REQUIRES; | 104 | "requires" BEGIN(PARAM); return T_REQUIRES; |
104 | "optional" BEGIN(PARAM); return T_OPTIONAL; | 105 | "optional" BEGIN(PARAM); return T_OPTIONAL; |
105 | "default" BEGIN(PARAM); return T_DEFAULT; | 106 | "default" BEGIN(PARAM); return T_DEFAULT; |
106 | "prompt" BEGIN(PARAM); return T_PROMPT; | 107 | "prompt" BEGIN(PARAM); return T_PROMPT; |
107 | "tristate" BEGIN(PARAM); return T_TRISTATE; | 108 | "tristate" BEGIN(PARAM); return T_TRISTATE; |
109 | "def_tristate" BEGIN(PARAM); return T_DEF_TRISTATE; | ||
108 | "bool" BEGIN(PARAM); return T_BOOLEAN; | 110 | "bool" BEGIN(PARAM); return T_BOOLEAN; |
109 | "boolean" BEGIN(PARAM); return T_BOOLEAN; | 111 | "boolean" BEGIN(PARAM); return T_BOOLEAN; |
112 | "def_bool" BEGIN(PARAM); return T_DEF_BOOLEAN; | ||
113 | "def_boolean" BEGIN(PARAM); return T_DEF_BOOLEAN; | ||
110 | "int" BEGIN(PARAM); return T_INT; | 114 | "int" BEGIN(PARAM); return T_INT; |
111 | "hex" BEGIN(PARAM); return T_HEX; | 115 | "hex" BEGIN(PARAM); return T_HEX; |
112 | "string" BEGIN(PARAM); return T_STRING; | 116 | "string" BEGIN(PARAM); return T_STRING; |
117 | "select" BEGIN(PARAM); return T_SELECT; | ||
118 | "enable" BEGIN(PARAM); return T_SELECT; | ||
119 | "range" BEGIN(PARAM); return T_RANGE; | ||
113 | {n}+{ | 120 | {n}+{ |
114 | alloc_string(yytext, yyleng); | 121 | alloc_string(yytext, yyleng); |
115 | zconflval.string = text; | 122 | zconflval.string = text; |
116 | return T_WORD; | 123 | return T_WORD; |
117 | } | 124 | } |
118 | . | 125 | . |
119 | \ncurrent_file->lineno++; BEGIN(INITIAL); | 126 | \ncurrent_file->lineno++; BEGIN(INITIAL); |
120 | } | 127 | } |
121 | 128 | ||
122 | <PARAM>{ | 129 | <PARAM>{ |
123 | "&&"return T_AND; | 130 | "&&"return T_AND; |
124 | "||"return T_OR; | 131 | "||"return T_OR; |
125 | "("return T_OPEN_PAREN; | 132 | "("return T_OPEN_PAREN; |
126 | ")"return T_CLOSE_PAREN; | 133 | ")"return T_CLOSE_PAREN; |
127 | "!"return T_NOT; | 134 | "!"return T_NOT; |
128 | "="return T_EQUAL; | 135 | "="return T_EQUAL; |
129 | "!="return T_UNEQUAL; | 136 | "!="return T_UNEQUAL; |
130 | "if"return T_IF; | 137 | "if"return T_IF; |
131 | "on"return T_ON; | 138 | "on"return T_ON; |
132 | \"|\'{ | 139 | \"|\'{ |
133 | str = yytext[0]; | 140 | str = yytext[0]; |
134 | new_string(); | 141 | new_string(); |
135 | BEGIN(STRING); | 142 | BEGIN(STRING); |
136 | } | 143 | } |
137 | \nBEGIN(INITIAL); current_file->lineno++; return T_EOL; | 144 | \nBEGIN(INITIAL); current_file->lineno++; return T_EOL; |
138 | ---/* ignore */ | 145 | ---/* ignore */ |
139 | ({n}|[-/.])+{ | 146 | ({n}|[-/.])+{ |
140 | alloc_string(yytext, yyleng); | 147 | alloc_string(yytext, yyleng); |
141 | zconflval.string = text; | 148 | zconflval.string = text; |
142 | return T_WORD; | 149 | return T_WORD; |
143 | } | 150 | } |
151 | #.*/* comment */ | ||
144 | \\\ncurrent_file->lineno++; | 152 | \\\ncurrent_file->lineno++; |
145 | . | 153 | . |
146 | <<EOF>> { | 154 | <<EOF>> { |
147 | BEGIN(INITIAL); | 155 | BEGIN(INITIAL); |
148 | } | 156 | } |
149 | } | 157 | } |
150 | 158 | ||
151 | <STRING>{ | 159 | <STRING>{ |
152 | [^'"\\\n]+/\n{ | 160 | [^'"\\\n]+/\n{ |
153 | append_string(yytext, yyleng); | 161 | append_string(yytext, yyleng); |
154 | zconflval.string = text; | 162 | zconflval.string = text; |
155 | return T_STRING; | 163 | return T_WORD_QUOTE; |
156 | } | 164 | } |
157 | [^'"\\\n]+{ | 165 | [^'"\\\n]+{ |
158 | append_string(yytext, yyleng); | 166 | append_string(yytext, yyleng); |
159 | } | 167 | } |
160 | \\.?/\n{ | 168 | \\.?/\n{ |
161 | append_string(yytext + 1, yyleng - 1); | 169 | append_string(yytext + 1, yyleng - 1); |
162 | zconflval.string = text; | 170 | zconflval.string = text; |
163 | return T_STRING; | 171 | return T_WORD_QUOTE; |
164 | } | 172 | } |
165 | \\.?{ | 173 | \\.?{ |
166 | append_string(yytext + 1, yyleng - 1); | 174 | append_string(yytext + 1, yyleng - 1); |
167 | } | 175 | } |
168 | \'|\"{ | 176 | \'|\"{ |
169 | if (str == yytext[0]) { | 177 | if (str == yytext[0]) { |
170 | BEGIN(PARAM); | 178 | BEGIN(PARAM); |
171 | zconflval.string = text; | 179 | zconflval.string = text; |
172 | return T_STRING; | 180 | return T_WORD_QUOTE; |
173 | } else | 181 | } else |
174 | append_string(yytext, 1); | 182 | append_string(yytext, 1); |
175 | } | 183 | } |
176 | \n{ | 184 | \n{ |
177 | printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno()); | 185 | printf("%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno()); |
178 | current_file->lineno++; | 186 | current_file->lineno++; |
179 | BEGIN(INITIAL); | 187 | BEGIN(INITIAL); |
180 | return T_EOL; | 188 | return T_EOL; |
181 | } | 189 | } |
182 | <<EOF>>{ | 190 | <<EOF>>{ |
183 | BEGIN(INITIAL); | 191 | BEGIN(INITIAL); |
184 | } | 192 | } |
185 | } | 193 | } |
186 | 194 | ||
187 | <HELP>{ | 195 | <HELP>{ |
188 | [ \t]+{ | 196 | [ \t]+{ |
189 | ts = 0; | 197 | ts = 0; |
190 | for (i = 0; i < yyleng; i++) { | 198 | for (i = 0; i < yyleng; i++) { |
191 | if (yytext[i] == '\t') | 199 | if (yytext[i] == '\t') |
192 | ts = (ts & ~7) + 8; | 200 | ts = (ts & ~7) + 8; |
193 | else | 201 | else |
194 | ts++; | 202 | ts++; |
195 | } | 203 | } |
196 | last_ts = ts; | 204 | last_ts = ts; |
197 | if (first_ts) { | 205 | if (first_ts) { |
198 | if (ts < first_ts) { | 206 | if (ts < first_ts) { |
199 | zconf_endhelp(); | 207 | zconf_endhelp(); |
200 | return T_HELPTEXT; | 208 | return T_HELPTEXT; |
201 | } | 209 | } |
202 | ts -= first_ts; | 210 | ts -= first_ts; |
203 | while (ts > 8) { | 211 | while (ts > 8) { |
204 | append_string(" ", 8); | 212 | append_string(" ", 8); |
205 | ts -= 8; | 213 | ts -= 8; |
206 | } | 214 | } |
207 | append_string(" ", ts); | 215 | append_string(" ", ts); |
208 | } | 216 | } |
209 | |||
210 | } | 217 | } |
211 | \n/[^ \t\n] { | 218 | [ \t]*\n/[^ \t\n] { |
212 | current_file->lineno++; | 219 | current_file->lineno++; |
213 | zconf_endhelp(); | 220 | zconf_endhelp(); |
214 | return T_HELPTEXT; | 221 | return T_HELPTEXT; |
215 | } | 222 | } |
216 | [ \t]*\n{ | 223 | [ \t]*\n{ |
217 | current_file->lineno++; | 224 | current_file->lineno++; |
218 | append_string("\n", 1); | 225 | append_string("\n", 1); |
219 | } | 226 | } |
220 | [^ \t\n].* { | 227 | [^ \t\n].* { |
221 | append_string(yytext, yyleng); | 228 | append_string(yytext, yyleng); |
222 | if (!first_ts) | 229 | if (!first_ts) |
223 | first_ts = last_ts; | 230 | first_ts = last_ts; |
224 | } | 231 | } |
225 | <<EOF>>{ | 232 | <<EOF>>{ |
226 | zconf_endhelp(); | 233 | zconf_endhelp(); |
227 | return T_HELPTEXT; | 234 | return T_HELPTEXT; |
228 | } | 235 | } |
229 | } | 236 | } |
230 | 237 | ||
231 | <<EOF>>{ | 238 | <<EOF>>{ |
232 | if (current_buf) { | 239 | if (current_buf) { |
233 | zconf_endfile(); | 240 | zconf_endfile(); |
234 | return T_EOF; | 241 | return T_EOF; |
235 | } | 242 | } |
236 | fclose(yyin); | 243 | fclose(yyin); |
237 | yyterminate(); | 244 | yyterminate(); |
238 | } | 245 | } |
239 | 246 | ||
240 | %% | 247 | %% |
241 | void zconf_starthelp(void) | 248 | void zconf_starthelp(void) |
242 | { | 249 | { |
243 | new_string(); | 250 | new_string(); |
244 | last_ts = first_ts = 0; | 251 | last_ts = first_ts = 0; |
245 | BEGIN(HELP); | 252 | BEGIN(HELP); |
246 | } | 253 | } |
247 | 254 | ||
248 | static void zconf_endhelp(void) | 255 | static void zconf_endhelp(void) |
249 | { | 256 | { |
250 | zconflval.string = text; | 257 | zconflval.string = text; |
251 | BEGIN(INITIAL); | 258 | BEGIN(INITIAL); |
252 | } | 259 | } |
253 | 260 | ||
254 | 261 | ||
255 | /* | 262 | /* |
256 | * Try to open specified file with following names: | 263 | * Try to open specified file with following names: |
257 | * ./name | 264 | * ./name |
258 | * $(srctree)/name | 265 | * $(srctree)/name |
259 | * The latter is used when srctree is separate from objtree | 266 | * The latter is used when srctree is separate from objtree |
@@ -300,60 +307,60 @@ void zconf_nextfile(const char *name) | |||
300 | 307 | ||
301 | current_buf->state = YY_CURRENT_BUFFER; | 308 | current_buf->state = YY_CURRENT_BUFFER; |
302 | yyin = zconf_fopen(name); | 309 | yyin = zconf_fopen(name); |
303 | if (!yyin) { | 310 | if (!yyin) { |
304 | printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name); | 311 | printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name); |
305 | exit(1); | 312 | exit(1); |
306 | } | 313 | } |
307 | yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); | 314 | yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE)); |
308 | buf->parent = current_buf; | 315 | buf->parent = current_buf; |
309 | current_buf = buf; | 316 | current_buf = buf; |
310 | 317 | ||
311 | if (file->flags & FILE_BUSY) { | 318 | if (file->flags & FILE_BUSY) { |
312 | printf("recursive scan (%s)?\n", name); | 319 | printf("recursive scan (%s)?\n", name); |
313 | exit(1); | 320 | exit(1); |
314 | } | 321 | } |
315 | if (file->flags & FILE_SCANNED) { | 322 | if (file->flags & FILE_SCANNED) { |
316 | printf("file %s already scanned?\n", name); | 323 | printf("file %s already scanned?\n", name); |
317 | exit(1); | 324 | exit(1); |
318 | } | 325 | } |
319 | file->flags |= FILE_BUSY; | 326 | file->flags |= FILE_BUSY; |
320 | file->lineno = 1; | 327 | file->lineno = 1; |
321 | file->parent = current_file; | 328 | file->parent = current_file; |
322 | current_file = file; | 329 | current_file = file; |
323 | } | 330 | } |
324 | 331 | ||
325 | static struct buffer *zconf_endfile(void) | 332 | static struct buffer *zconf_endfile(void) |
326 | { | 333 | { |
327 | struct buffer *parent; | 334 | struct buffer *parent; |
328 | 335 | ||
329 | current_file->flags |= FILE_SCANNED; | 336 | current_file->flags |= FILE_SCANNED; |
330 | current_file->flags &= ~FILE_BUSY; | 337 | current_file->flags &= ~FILE_BUSY; |
331 | current_file = current_file->parent; | 338 | current_file = current_file->parent; |
332 | 339 | ||
333 | parent = current_buf->parent; | 340 | parent = current_buf->parent; |
334 | if (parent) { | 341 | if (parent) { |
335 | fclose(yyin); | 342 | fclose(yyin); |
336 | yy_delete_buffer(YY_CURRENT_BUFFER); | 343 | yy_delete_buffer(YY_CURRENT_BUFFER); |
337 | yy_switch_to_buffer(parent->state); | 344 | yy_switch_to_buffer(parent->state); |
338 | } | 345 | } |
339 | free(current_buf); | 346 | free(current_buf); |
340 | current_buf = parent; | 347 | current_buf = parent; |
341 | 348 | ||
342 | return parent; | 349 | return parent; |
343 | } | 350 | } |
344 | 351 | ||
345 | int zconf_lineno(void) | 352 | int zconf_lineno(void) |
346 | { | 353 | { |
347 | if (current_buf) | 354 | if (current_buf) |
348 | return current_file->lineno; | 355 | return current_file->lineno - 1; |
349 | else | 356 | else |
350 | return 0; | 357 | return 0; |
351 | } | 358 | } |
352 | 359 | ||
353 | char *zconf_curname(void) | 360 | char *zconf_curname(void) |
354 | { | 361 | { |
355 | if (current_buf) | 362 | if (current_buf) |
356 | return current_file->name; | 363 | return current_file->name; |
357 | else | 364 | else |
358 | return "<none>"; | 365 | return "<none>"; |
359 | } | 366 | } |