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c906108c | 1 | /* Modula 2 language support routines for GDB, the GNU debugger. |
ce27fb25 | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2002, 2003, 2004, |
4 | 2005, 2007 Free Software Foundation, Inc. | |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include "symtab.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "expression.h" | |
27 | #include "parser-defs.h" | |
28 | #include "language.h" | |
29 | #include "m2-lang.h" | |
30 | #include "c-lang.h" | |
745b8ca0 | 31 | #include "valprint.h" |
c906108c | 32 | |
a14ed312 KB |
33 | extern void _initialize_m2_language (void); |
34 | static struct type *m2_create_fundamental_type (struct objfile *, int); | |
d9fcf2fb JM |
35 | static void m2_printchar (int, struct ui_file *); |
36 | static void m2_emit_char (int, struct ui_file *, int); | |
c906108c SS |
37 | |
38 | /* Print the character C on STREAM as part of the contents of a literal | |
39 | string whose delimiter is QUOTER. Note that that format for printing | |
40 | characters and strings is language specific. | |
41 | FIXME: This is a copy of the same function from c-exp.y. It should | |
42 | be replaced with a true Modula version. | |
43 | */ | |
44 | ||
45 | static void | |
f86f5ca3 | 46 | m2_emit_char (int c, struct ui_file *stream, int quoter) |
c906108c SS |
47 | { |
48 | ||
49 | c &= 0xFF; /* Avoid sign bit follies */ | |
50 | ||
51 | if (PRINT_LITERAL_FORM (c)) | |
52 | { | |
53 | if (c == '\\' || c == quoter) | |
54 | { | |
55 | fputs_filtered ("\\", stream); | |
56 | } | |
57 | fprintf_filtered (stream, "%c", c); | |
58 | } | |
59 | else | |
60 | { | |
61 | switch (c) | |
62 | { | |
63 | case '\n': | |
64 | fputs_filtered ("\\n", stream); | |
65 | break; | |
66 | case '\b': | |
67 | fputs_filtered ("\\b", stream); | |
68 | break; | |
69 | case '\t': | |
70 | fputs_filtered ("\\t", stream); | |
71 | break; | |
72 | case '\f': | |
73 | fputs_filtered ("\\f", stream); | |
74 | break; | |
75 | case '\r': | |
76 | fputs_filtered ("\\r", stream); | |
77 | break; | |
78 | case '\033': | |
79 | fputs_filtered ("\\e", stream); | |
80 | break; | |
81 | case '\007': | |
82 | fputs_filtered ("\\a", stream); | |
83 | break; | |
84 | default: | |
85 | fprintf_filtered (stream, "\\%.3o", (unsigned int) c); | |
86 | break; | |
87 | } | |
88 | } | |
89 | } | |
90 | ||
91 | /* FIXME: This is a copy of the same function from c-exp.y. It should | |
92 | be replaced with a true Modula version. */ | |
93 | ||
94 | static void | |
fba45db2 | 95 | m2_printchar (int c, struct ui_file *stream) |
c906108c SS |
96 | { |
97 | fputs_filtered ("'", stream); | |
98 | LA_EMIT_CHAR (c, stream, '\''); | |
99 | fputs_filtered ("'", stream); | |
100 | } | |
101 | ||
102 | /* Print the character string STRING, printing at most LENGTH characters. | |
103 | Printing stops early if the number hits print_max; repeat counts | |
104 | are printed as appropriate. Print ellipses at the end if we | |
105 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
106 | FIXME: This is a copy of the same function from c-exp.y. It should | |
107 | be replaced with a true Modula version. */ | |
108 | ||
109 | static void | |
fc1a4b47 | 110 | m2_printstr (struct ui_file *stream, const gdb_byte *string, |
ce27fb25 | 111 | unsigned int length, int width, int force_ellipses) |
c906108c | 112 | { |
f86f5ca3 | 113 | unsigned int i; |
c906108c SS |
114 | unsigned int things_printed = 0; |
115 | int in_quotes = 0; | |
116 | int need_comma = 0; | |
c906108c SS |
117 | |
118 | if (length == 0) | |
119 | { | |
120 | fputs_filtered ("\"\"", gdb_stdout); | |
121 | return; | |
122 | } | |
123 | ||
124 | for (i = 0; i < length && things_printed < print_max; ++i) | |
125 | { | |
126 | /* Position of the character we are examining | |
c5aa993b | 127 | to see whether it is repeated. */ |
c906108c SS |
128 | unsigned int rep1; |
129 | /* Number of repetitions we have detected so far. */ | |
130 | unsigned int reps; | |
131 | ||
132 | QUIT; | |
133 | ||
134 | if (need_comma) | |
135 | { | |
136 | fputs_filtered (", ", stream); | |
137 | need_comma = 0; | |
138 | } | |
139 | ||
140 | rep1 = i + 1; | |
141 | reps = 1; | |
142 | while (rep1 < length && string[rep1] == string[i]) | |
143 | { | |
144 | ++rep1; | |
145 | ++reps; | |
146 | } | |
147 | ||
148 | if (reps > repeat_count_threshold) | |
149 | { | |
150 | if (in_quotes) | |
151 | { | |
152 | if (inspect_it) | |
153 | fputs_filtered ("\\\", ", stream); | |
154 | else | |
155 | fputs_filtered ("\", ", stream); | |
156 | in_quotes = 0; | |
157 | } | |
158 | m2_printchar (string[i], stream); | |
159 | fprintf_filtered (stream, " <repeats %u times>", reps); | |
160 | i = rep1 - 1; | |
161 | things_printed += repeat_count_threshold; | |
162 | need_comma = 1; | |
163 | } | |
164 | else | |
165 | { | |
166 | if (!in_quotes) | |
167 | { | |
168 | if (inspect_it) | |
169 | fputs_filtered ("\\\"", stream); | |
170 | else | |
171 | fputs_filtered ("\"", stream); | |
172 | in_quotes = 1; | |
173 | } | |
174 | LA_EMIT_CHAR (string[i], stream, '"'); | |
175 | ++things_printed; | |
176 | } | |
177 | } | |
178 | ||
179 | /* Terminate the quotes if necessary. */ | |
180 | if (in_quotes) | |
181 | { | |
182 | if (inspect_it) | |
183 | fputs_filtered ("\\\"", stream); | |
184 | else | |
185 | fputs_filtered ("\"", stream); | |
186 | } | |
187 | ||
188 | if (force_ellipses || i < length) | |
189 | fputs_filtered ("...", stream); | |
190 | } | |
191 | ||
192 | /* FIXME: This is a copy of c_create_fundamental_type(), before | |
193 | all the non-C types were stripped from it. Needs to be fixed | |
194 | by an experienced Modula programmer. */ | |
195 | ||
196 | static struct type * | |
fba45db2 | 197 | m2_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c | 198 | { |
f86f5ca3 | 199 | struct type *type = NULL; |
c906108c SS |
200 | |
201 | switch (typeid) | |
202 | { | |
c5aa993b JM |
203 | default: |
204 | /* FIXME: For now, if we are asked to produce a type not in this | |
205 | language, create the equivalent of a C integer type with the | |
206 | name "<?type?>". When all the dust settles from the type | |
207 | reconstruction work, this should probably become an error. */ | |
208 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 209 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b | 210 | 0, "<?type?>", objfile); |
8a3fe4f8 | 211 | warning (_("internal error: no Modula fundamental type %d"), typeid); |
c5aa993b JM |
212 | break; |
213 | case FT_VOID: | |
214 | type = init_type (TYPE_CODE_VOID, | |
215 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
216 | 0, "void", objfile); | |
217 | break; | |
218 | case FT_BOOLEAN: | |
219 | type = init_type (TYPE_CODE_BOOL, | |
220 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
221 | TYPE_FLAG_UNSIGNED, "boolean", objfile); | |
222 | break; | |
223 | case FT_STRING: | |
224 | type = init_type (TYPE_CODE_STRING, | |
225 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
226 | 0, "string", objfile); | |
227 | break; | |
228 | case FT_CHAR: | |
229 | type = init_type (TYPE_CODE_INT, | |
230 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
231 | 0, "char", objfile); | |
232 | break; | |
233 | case FT_SIGNED_CHAR: | |
234 | type = init_type (TYPE_CODE_INT, | |
235 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
236 | 0, "signed char", objfile); | |
237 | break; | |
238 | case FT_UNSIGNED_CHAR: | |
239 | type = init_type (TYPE_CODE_INT, | |
240 | TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
241 | TYPE_FLAG_UNSIGNED, "unsigned char", objfile); | |
242 | break; | |
243 | case FT_SHORT: | |
244 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 245 | gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
246 | 0, "short", objfile); |
247 | break; | |
248 | case FT_SIGNED_SHORT: | |
249 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 250 | gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
251 | 0, "short", objfile); /* FIXME-fnf */ |
252 | break; | |
253 | case FT_UNSIGNED_SHORT: | |
254 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 255 | gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
256 | TYPE_FLAG_UNSIGNED, "unsigned short", objfile); |
257 | break; | |
258 | case FT_INTEGER: | |
259 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 260 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
261 | 0, "int", objfile); |
262 | break; | |
263 | case FT_SIGNED_INTEGER: | |
264 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 265 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
266 | 0, "int", objfile); /* FIXME -fnf */ |
267 | break; | |
268 | case FT_UNSIGNED_INTEGER: | |
269 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 270 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
271 | TYPE_FLAG_UNSIGNED, "unsigned int", objfile); |
272 | break; | |
273 | case FT_FIXED_DECIMAL: | |
274 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 275 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
276 | 0, "fixed decimal", objfile); |
277 | break; | |
278 | case FT_LONG: | |
279 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 280 | gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
281 | 0, "long", objfile); |
282 | break; | |
283 | case FT_SIGNED_LONG: | |
284 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 285 | gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
286 | 0, "long", objfile); /* FIXME -fnf */ |
287 | break; | |
288 | case FT_UNSIGNED_LONG: | |
289 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 | 290 | gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT, |
c5aa993b JM |
291 | TYPE_FLAG_UNSIGNED, "unsigned long", objfile); |
292 | break; | |
293 | case FT_LONG_LONG: | |
294 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 UW |
295 | gdbarch_long_long_bit (current_gdbarch) |
296 | / TARGET_CHAR_BIT, | |
c5aa993b JM |
297 | 0, "long long", objfile); |
298 | break; | |
299 | case FT_SIGNED_LONG_LONG: | |
300 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 UW |
301 | gdbarch_long_long_bit (current_gdbarch) |
302 | / TARGET_CHAR_BIT, | |
c5aa993b JM |
303 | 0, "signed long long", objfile); |
304 | break; | |
305 | case FT_UNSIGNED_LONG_LONG: | |
306 | type = init_type (TYPE_CODE_INT, | |
9a76efb6 UW |
307 | gdbarch_long_long_bit (current_gdbarch) |
308 | / TARGET_CHAR_BIT, | |
c5aa993b JM |
309 | TYPE_FLAG_UNSIGNED, "unsigned long long", objfile); |
310 | break; | |
311 | case FT_FLOAT: | |
312 | type = init_type (TYPE_CODE_FLT, | |
313 | TARGET_FLOAT_BIT / TARGET_CHAR_BIT, | |
314 | 0, "float", objfile); | |
315 | break; | |
316 | case FT_DBL_PREC_FLOAT: | |
317 | type = init_type (TYPE_CODE_FLT, | |
318 | TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, | |
319 | 0, "double", objfile); | |
320 | break; | |
321 | case FT_FLOAT_DECIMAL: | |
322 | type = init_type (TYPE_CODE_FLT, | |
323 | TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, | |
324 | 0, "floating decimal", objfile); | |
325 | break; | |
326 | case FT_EXT_PREC_FLOAT: | |
327 | type = init_type (TYPE_CODE_FLT, | |
328 | TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, | |
329 | 0, "long double", objfile); | |
330 | break; | |
331 | case FT_COMPLEX: | |
332 | type = init_type (TYPE_CODE_COMPLEX, | |
333 | 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT, | |
334 | 0, "complex", objfile); | |
335 | TYPE_TARGET_TYPE (type) | |
336 | = m2_create_fundamental_type (objfile, FT_FLOAT); | |
337 | break; | |
338 | case FT_DBL_PREC_COMPLEX: | |
339 | type = init_type (TYPE_CODE_COMPLEX, | |
340 | 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, | |
341 | 0, "double complex", objfile); | |
342 | TYPE_TARGET_TYPE (type) | |
343 | = m2_create_fundamental_type (objfile, FT_DBL_PREC_FLOAT); | |
344 | break; | |
345 | case FT_EXT_PREC_COMPLEX: | |
346 | type = init_type (TYPE_CODE_COMPLEX, | |
347 | 2 * TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, | |
348 | 0, "long double complex", objfile); | |
349 | TYPE_TARGET_TYPE (type) | |
350 | = m2_create_fundamental_type (objfile, FT_EXT_PREC_FLOAT); | |
351 | break; | |
352 | } | |
c906108c SS |
353 | return (type); |
354 | } | |
c906108c | 355 | \f |
c5aa993b | 356 | |
c906108c SS |
357 | /* Table of operators and their precedences for printing expressions. */ |
358 | ||
c5aa993b JM |
359 | static const struct op_print m2_op_print_tab[] = |
360 | { | |
361 | {"+", BINOP_ADD, PREC_ADD, 0}, | |
362 | {"+", UNOP_PLUS, PREC_PREFIX, 0}, | |
363 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
364 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
365 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
366 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
367 | {"DIV", BINOP_INTDIV, PREC_MUL, 0}, | |
368 | {"MOD", BINOP_REM, PREC_MUL, 0}, | |
369 | {":=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
370 | {"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
371 | {"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
372 | {"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
373 | {"=", BINOP_EQUAL, PREC_EQUAL, 0}, | |
374 | {"<>", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
375 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
376 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
377 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
378 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
379 | {"^", UNOP_IND, PREC_PREFIX, 0}, | |
380 | {"@", BINOP_REPEAT, PREC_REPEAT, 0}, | |
381 | {"CAP", UNOP_CAP, PREC_BUILTIN_FUNCTION, 0}, | |
382 | {"CHR", UNOP_CHR, PREC_BUILTIN_FUNCTION, 0}, | |
383 | {"ORD", UNOP_ORD, PREC_BUILTIN_FUNCTION, 0}, | |
384 | {"FLOAT", UNOP_FLOAT, PREC_BUILTIN_FUNCTION, 0}, | |
385 | {"HIGH", UNOP_HIGH, PREC_BUILTIN_FUNCTION, 0}, | |
386 | {"MAX", UNOP_MAX, PREC_BUILTIN_FUNCTION, 0}, | |
387 | {"MIN", UNOP_MIN, PREC_BUILTIN_FUNCTION, 0}, | |
388 | {"ODD", UNOP_ODD, PREC_BUILTIN_FUNCTION, 0}, | |
389 | {"TRUNC", UNOP_TRUNC, PREC_BUILTIN_FUNCTION, 0}, | |
390 | {NULL, 0, 0, 0} | |
c906108c SS |
391 | }; |
392 | \f | |
393 | /* The built-in types of Modula-2. */ | |
394 | ||
395 | struct type *builtin_type_m2_char; | |
396 | struct type *builtin_type_m2_int; | |
397 | struct type *builtin_type_m2_card; | |
398 | struct type *builtin_type_m2_real; | |
399 | struct type *builtin_type_m2_bool; | |
400 | ||
6c6ea35e | 401 | struct type **const (m2_builtin_types[]) = |
c906108c SS |
402 | { |
403 | &builtin_type_m2_char, | |
c5aa993b JM |
404 | &builtin_type_m2_int, |
405 | &builtin_type_m2_card, | |
406 | &builtin_type_m2_real, | |
407 | &builtin_type_m2_bool, | |
408 | 0 | |
c906108c SS |
409 | }; |
410 | ||
c5aa993b JM |
411 | const struct language_defn m2_language_defn = |
412 | { | |
c906108c SS |
413 | "modula-2", |
414 | language_m2, | |
415 | m2_builtin_types, | |
416 | range_check_on, | |
417 | type_check_on, | |
63872f9d | 418 | case_sensitive_on, |
7ca2d3a3 | 419 | array_row_major, |
5f9769d1 | 420 | &exp_descriptor_standard, |
c906108c SS |
421 | m2_parse, /* parser */ |
422 | m2_error, /* parser error function */ | |
e85c3284 | 423 | null_post_parser, |
c906108c SS |
424 | m2_printchar, /* Print character constant */ |
425 | m2_printstr, /* function to print string constant */ | |
426 | m2_emit_char, /* Function to print a single character */ | |
427 | m2_create_fundamental_type, /* Create fundamental type in this language */ | |
428 | m2_print_type, /* Print a type using appropriate syntax */ | |
429 | m2_val_print, /* Print a value using appropriate syntax */ | |
430 | c_value_print, /* Print a top-level value */ | |
f636b87d | 431 | NULL, /* Language specific skip_trampoline */ |
5f9a71c3 DC |
432 | value_of_this, /* value_of_this */ |
433 | basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */ | |
b368761e | 434 | basic_lookup_transparent_type,/* lookup_transparent_type */ |
9a3d7dfd | 435 | NULL, /* Language specific symbol demangler */ |
31c27f77 | 436 | NULL, /* Language specific class_name_from_physname */ |
c906108c SS |
437 | m2_op_print_tab, /* expression operators for printing */ |
438 | 0, /* arrays are first-class (not c-style) */ | |
439 | 0, /* String lower bound */ | |
c5aa993b | 440 | &builtin_type_m2_char, /* Type of string elements */ |
6084f43a | 441 | default_word_break_characters, |
f290d38e | 442 | NULL, /* FIXME: la_language_arch_info. */ |
e79af960 | 443 | default_print_array_index, |
c906108c SS |
444 | LANG_MAGIC |
445 | }; | |
446 | ||
447 | /* Initialization for Modula-2 */ | |
448 | ||
449 | void | |
fba45db2 | 450 | _initialize_m2_language (void) |
c906108c SS |
451 | { |
452 | /* Modula-2 "pervasive" types. NOTE: these can be redefined!!! */ | |
453 | builtin_type_m2_int = | |
9a76efb6 UW |
454 | init_type (TYPE_CODE_INT, |
455 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
456 | 0, "INTEGER", (struct objfile *) NULL); | |
c906108c | 457 | builtin_type_m2_card = |
9a76efb6 UW |
458 | init_type (TYPE_CODE_INT, |
459 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
c906108c SS |
460 | TYPE_FLAG_UNSIGNED, |
461 | "CARDINAL", (struct objfile *) NULL); | |
462 | builtin_type_m2_real = | |
463 | init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT, | |
464 | 0, | |
465 | "REAL", (struct objfile *) NULL); | |
466 | builtin_type_m2_char = | |
467 | init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
468 | TYPE_FLAG_UNSIGNED, | |
469 | "CHAR", (struct objfile *) NULL); | |
470 | builtin_type_m2_bool = | |
9a76efb6 UW |
471 | init_type (TYPE_CODE_BOOL, |
472 | gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT, | |
c906108c SS |
473 | TYPE_FLAG_UNSIGNED, |
474 | "BOOLEAN", (struct objfile *) NULL); | |
475 | ||
476 | add_language (&m2_language_defn); | |
477 | } |