tools/widl/header.h

   1 /*
   2  * IDL Compiler
   3  *
   4  * Copyright 2002 Ove Kaaven
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  */
  20
  21 #ifndef __WIDL_HEADER_H
  22 #define __WIDL_HEADER_H
  23
  24 #include "typetree.h"
  25
  26 extern const char* get_name(const var_t *v);
  27 extern void write_type_left(FILE *h, const decl_spec_t *ds, enum name_type name_type, int declonly, int write_callconv);
  28 extern void write_type_right(FILE *h, type_t *t, int is_field);
  29 extern void write_type_decl(FILE *f, const decl_spec_t *t, const char *name);
  30 extern void write_type_decl_left(FILE *f, const decl_spec_t *ds);
  31 extern unsigned int get_context_handle_offset( const type_t *type );
  32 extern unsigned int get_generic_handle_offset( const type_t *type );
  33 extern int needs_space_after(type_t *t);
  34 extern int is_object(const type_t *iface);
  35 extern int is_local(const attr_list_t *list);
  36 extern int count_methods(const type_t *iface);
  37 extern const statement_t * get_callas_source(const type_t *iface, const var_t *def);
  38 extern int need_stub(const type_t *iface);
  39 extern int need_proxy(const type_t *iface);
  40 extern int need_inline_stubs(const type_t *iface);
  41 extern int need_stub_files(const statement_list_t *stmts);
  42 extern int need_proxy_file(const statement_list_t *stmts);
  43 extern int need_proxy_delegation(const statement_list_t *stmts);
  44 extern int need_inline_stubs_file(const statement_list_t *stmts);
  45 extern const var_t *is_callas(const attr_list_t *list);
  46 extern void write_args(FILE *h, const var_list_t *arg, const char *name, int obj, int do_indent, enum name_type name_type);
  47 extern const type_t* get_explicit_generic_handle_type(const var_t* var);
  48 extern const var_t *get_func_handle_var( const type_t *iface, const var_t *func,
  49                                          unsigned char *explicit_fc, unsigned char *implicit_fc );
  50 extern int has_out_arg_or_return(const var_t *func);
  51 extern int is_const_decl(const var_t *var);
  52
  53 extern void write_serialize_functions(FILE *file, const type_t *type, const type_t *iface);
  54
  55 static inline int is_ptr(const type_t *t)
  56 {
  57     return type_get_type(t) == TYPE_POINTER;
  58 }
  59
  60 static inline int is_array(const type_t *t)
  61 {
  62     return type_get_type(t) == TYPE_ARRAY;
  63 }
  64
  65 static inline int is_func(const type_t *t)
  66 {
  67     return type_get_type(t) == TYPE_FUNCTION;
  68 }
  69
  70 static inline int is_void(const type_t *t)
  71 {
  72     return type_get_type(t) == TYPE_VOID;
  73 }
  74
  75 static inline int is_declptr(const type_t *t)
  76 {
  77     return is_ptr(t) || (type_get_type(t) == TYPE_ARRAY && type_array_is_decl_as_ptr(t));
  78 }
  79
  80 static inline int is_conformant_array(const type_t *t)
  81 {
  82     return is_array(t) && type_array_has_conformance(t);
  83 }
  84
  85 static inline int last_ptr(const type_t *type)
  86 {
  87     return is_ptr(type) && !is_declptr(type_pointer_get_ref_type(type));
  88 }
  89
  90 static inline int last_array(const type_t *type)
  91 {
  92     return is_array(type) && !is_array(type_array_get_element_type(type));
  93 }
  94
  95 static inline int is_string_type(const attr_list_t *attrs, const type_t *type)
  96 {
  97     return ((is_attr(attrs, ATTR_STRING) || is_aliaschain_attr(type, ATTR_STRING))
  98             && (last_ptr(type) || last_array(type)));
  99 }
 100
 101 static inline int is_context_handle(const type_t *type)
 102 {
 103     const type_t *t;
 104     for (t = type;
 105          is_ptr(t) || type_is_alias(t);
 106          t = type_is_alias(t) ? type_alias_get_aliasee_type(t) : type_pointer_get_ref_type(t))
 107         if (is_attr(t->attrs, ATTR_CONTEXTHANDLE))
 108             return 1;
 109     return 0;
 110 }
 111
 112 #endif