4 * Copyright 2008 Robert Shearman
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
33 type_t *duptype(type_t *t, int dupname)
35 type_t *d = alloc_type();
38 if (dupname && t->name)
39 d->name = xstrdup(t->name);
44 type_t *make_type(enum type_type type)
46 type_t *t = alloc_type();
51 memset(&t->details, 0, sizeof(t->details));
52 t->typestring_offset = 0;
54 t->ignore = (parse_only != 0);
57 t->user_types_registered = FALSE;
62 init_loc_info(&t->loc_info);
66 static const var_t *find_arg(const var_list_t *args, const char *name)
70 if (args) LIST_FOR_EACH_ENTRY(arg, args, const var_t, entry)
72 if (arg->name && !strcmp(name, arg->name))
79 type_t *type_new_function(var_list_t *args)
87 arg = LIST_ENTRY(list_head(args), var_t, entry);
88 if (list_count(args) == 1 && !arg->name && arg->type && type_get_type(arg->type) == TYPE_VOID)
90 list_remove(&arg->entry);
96 if (args) LIST_FOR_EACH_ENTRY(arg, args, var_t, entry)
98 if (arg->type && type_get_type(arg->type) == TYPE_VOID)
99 error_loc("argument '%s' has void type\n", arg->name);
103 error_loc("too many unnamed arguments\n");
110 name[0] = i > 26 ? 'a' + i / 26 : 'a' + i;
111 name[1] = i > 26 ? 'a' + i % 26 : 0;
113 unique = !find_arg(args, name);
115 arg->name = xstrdup(name);
122 t = make_type(TYPE_FUNCTION);
123 t->details.function = xmalloc(sizeof(*t->details.function));
124 t->details.function->args = args;
125 t->details.function->idx = -1;
129 type_t *type_new_pointer(unsigned char pointer_default, type_t *ref, attr_list_t *attrs)
131 type_t *t = make_type(TYPE_POINTER);
132 t->details.pointer.def_fc = pointer_default;
133 t->details.pointer.ref = ref;
138 type_t *type_new_alias(type_t *t, const char *name)
140 type_t *a = duptype(t, 0);
142 a->name = xstrdup(name);
146 /* for pointer types */
147 a->details = t->details;
148 init_loc_info(&a->loc_info);
153 type_t *type_new_module(char *name)
155 type_t *type = get_type(TYPE_MODULE, name, 0);
156 if (type->type_type != TYPE_MODULE || type->defined)
157 error_loc("%s: redefinition error; original definition was at %s:%d\n",
158 type->name, type->loc_info.input_name, type->loc_info.line_number);
163 type_t *type_new_coclass(char *name)
165 type_t *type = get_type(TYPE_COCLASS, name, 0);
166 if (type->type_type != TYPE_COCLASS || type->defined)
167 error_loc("%s: redefinition error; original definition was at %s:%d\n",
168 type->name, type->loc_info.input_name, type->loc_info.line_number);
174 type_t *type_new_array(const char *name, type_t *element, int declptr,
175 unsigned int dim, expr_t *size_is, expr_t *length_is,
176 unsigned char ptr_default_fc)
178 type_t *t = make_type(TYPE_ARRAY);
179 if (name) t->name = xstrdup(name);
180 t->details.array.declptr = declptr;
181 t->details.array.length_is = length_is;
183 t->details.array.size_is = size_is;
185 t->details.array.dim = dim;
186 t->details.array.elem = element;
187 t->details.array.ptr_def_fc = ptr_default_fc;
191 type_t *type_new_basic(enum type_basic_type basic_type)
193 type_t *t = make_type(TYPE_BASIC);
194 t->details.basic.type = basic_type;
195 t->details.basic.sign = 0;
199 type_t *type_new_int(enum type_basic_type basic_type, int sign)
201 static type_t *int_types[TYPE_BASIC_INT_MAX+1][3];
203 assert(basic_type <= TYPE_BASIC_INT_MAX);
205 /* map sign { -1, 0, 1 } -> { 0, 1, 2 } */
206 if (!int_types[basic_type][sign + 1])
208 int_types[basic_type][sign + 1] = type_new_basic(basic_type);
209 int_types[basic_type][sign + 1]->details.basic.sign = sign;
211 return int_types[basic_type][sign + 1];
214 type_t *type_new_void(void)
216 static type_t *void_type = NULL;
218 void_type = make_type(TYPE_VOID);
222 type_t *type_new_enum(const char *name, int defined, var_list_t *enums)
224 type_t *tag_type = name ? find_type(name, tsENUM) : NULL;
225 type_t *t = make_type(TYPE_ENUM);
228 if (tag_type && tag_type->details.enumeration)
229 t->details.enumeration = tag_type->details.enumeration;
232 t->details.enumeration = xmalloc(sizeof(*t->details.enumeration));
233 t->details.enumeration->enums = enums;
240 reg_type(t, name, tsENUM);
247 type_t *type_new_struct(char *name, int defined, var_list_t *fields)
249 type_t *tag_type = name ? find_type(name, tsSTRUCT) : NULL;
250 type_t *t = make_type(TYPE_STRUCT);
252 if (tag_type && tag_type->details.structure)
253 t->details.structure = tag_type->details.structure;
256 t->details.structure = xmalloc(sizeof(*t->details.structure));
257 t->details.structure->fields = fields;
263 reg_type(t, name, tsSTRUCT);
270 type_t *type_new_nonencapsulated_union(const char *name, int defined, var_list_t *fields)
272 type_t *tag_type = name ? find_type(name, tsUNION) : NULL;
273 type_t *t = make_type(TYPE_UNION);
275 if (tag_type && tag_type->details.structure)
276 t->details.structure = tag_type->details.structure;
279 t->details.structure = xmalloc(sizeof(*t->details.structure));
280 t->details.structure->fields = fields;
286 reg_type(t, name, tsUNION);
293 type_t *type_new_encapsulated_union(char *name, var_t *switch_field, var_t *union_field, var_list_t *cases)
295 type_t *t = get_type(TYPE_ENCAPSULATED_UNION, name, tsUNION);
296 if (!union_field) union_field = make_var( xstrdup("tagged_union") );
297 union_field->type = type_new_nonencapsulated_union(NULL, TRUE, cases);
298 t->details.structure = xmalloc(sizeof(*t->details.structure));
299 t->details.structure->fields = append_var( NULL, switch_field );
300 t->details.structure->fields = append_var( t->details.structure->fields, union_field );
305 static int is_valid_bitfield_type(const type_t *type)
307 switch (type_get_type(type))
312 switch (type_basic_get_type(type))
314 case TYPE_BASIC_INT8:
315 case TYPE_BASIC_INT16:
316 case TYPE_BASIC_INT32:
317 case TYPE_BASIC_INT64:
319 case TYPE_BASIC_INT3264:
320 case TYPE_BASIC_CHAR:
321 case TYPE_BASIC_HYPER:
322 case TYPE_BASIC_BYTE:
323 case TYPE_BASIC_WCHAR:
324 case TYPE_BASIC_ERROR_STATUS_T:
326 case TYPE_BASIC_FLOAT:
327 case TYPE_BASIC_DOUBLE:
328 case TYPE_BASIC_HANDLE:
337 type_t *type_new_bitfield(type_t *field, const expr_t *bits)
341 if (!is_valid_bitfield_type(field))
342 error_loc("bit-field has invalid type\n");
345 error_loc("negative width for bit-field\n");
347 /* FIXME: validate bits->cval <= memsize(field) * 8 */
349 t = make_type(TYPE_BITFIELD);
350 t->details.bitfield.field = field;
351 t->details.bitfield.bits = bits;
355 static int compute_method_indexes(type_t *iface)
360 if (!iface->details.iface)
363 if (type_iface_get_inherit(iface))
364 idx = compute_method_indexes(type_iface_get_inherit(iface));
368 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
370 var_t *func = stmt->u.var;
371 if (!is_callas(func->attrs))
372 func->type->details.function->idx = idx++;
378 void type_interface_define(type_t *iface, type_t *inherit, statement_list_t *stmts)
380 iface->details.iface = xmalloc(sizeof(*iface->details.iface));
381 iface->details.iface->disp_props = NULL;
382 iface->details.iface->disp_methods = NULL;
383 iface->details.iface->stmts = stmts;
384 iface->details.iface->inherit = inherit;
385 iface->defined = TRUE;
386 compute_method_indexes(iface);
389 void type_dispinterface_define(type_t *iface, var_list_t *props, func_list_t *methods)
391 iface->details.iface = xmalloc(sizeof(*iface->details.iface));
392 iface->details.iface->disp_props = props;
393 iface->details.iface->disp_methods = methods;
394 iface->details.iface->stmts = NULL;
395 iface->details.iface->inherit = find_type("IDispatch", 0);
396 if (!iface->details.iface->inherit) error_loc("IDispatch is undefined\n");
397 iface->defined = TRUE;
398 compute_method_indexes(iface);
401 void type_dispinterface_define_from_iface(type_t *dispiface, type_t *iface)
403 type_dispinterface_define(dispiface, iface->details.iface->disp_props,
404 iface->details.iface->disp_methods);
407 void type_module_define(type_t *module, statement_list_t *stmts)
409 if (module->details.module) error_loc("multiple definition error\n");
410 module->details.module = xmalloc(sizeof(*module->details.module));
411 module->details.module->stmts = stmts;
412 module->defined = TRUE;
415 type_t *type_coclass_define(type_t *coclass, ifref_list_t *ifaces)
417 coclass->details.coclass.ifaces = ifaces;
418 coclass->defined = TRUE;
422 int type_is_equal(const type_t *type1, const type_t *type2)
424 if (type_get_type_detect_alias(type1) != type_get_type_detect_alias(type2))
427 if (type1->name && type2->name)
428 return !strcmp(type1->name, type2->name);
429 else if ((!type1->name && type2->name) || (type1->name && !type2->name))
432 /* FIXME: do deep inspection of types to determine if they are equal */