[1] | 1 | /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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| 2 | /* ***** BEGIN LICENSE BLOCK *****
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| 3 | * Version: NPL 1.1/GPL 2.0/LGPL 2.1
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| 4 | *
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| 5 | * The contents of this file are subject to the Netscape Public License
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| 6 | * Version 1.1 (the "License"); you may not use this file except in
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| 7 | * compliance with the License. You may obtain a copy of the License at
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| 8 | * http://www.mozilla.org/NPL/
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| 9 | *
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| 10 | * Software distributed under the License is distributed on an "AS IS" basis,
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| 11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 12 | * for the specific language governing rights and limitations under the
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| 13 | * License.
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| 14 | *
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| 15 | * The Original Code is mozilla.org code.
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| 16 | *
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| 17 | * The Initial Developer of the Original Code is
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| 18 | * Netscape Communications Corporation.
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| 19 | * Portions created by the Initial Developer are Copyright (C) 1998
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| 20 | * the Initial Developer. All Rights Reserved.
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| 21 | *
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| 22 | * Contributor(s):
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| 23 | *
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| 24 | * Alternatively, the contents of this file may be used under the terms of
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| 25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
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| 26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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| 28 | * of those above. If you wish to allow use of your version of this file only
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| 29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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| 30 | * use your version of this file under the terms of the NPL, indicate your
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| 31 | * decision by deleting the provisions above and replace them with the notice
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| 32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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| 33 | * the provisions above, a recipient may use your version of this file under
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| 34 | * the terms of any one of the NPL, the GPL or the LGPL.
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| 35 | *
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| 36 | * ***** END LICENSE BLOCK ***** */
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| 37 |
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| 38 | /*
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| 39 | * Generate XPCOM headers from XPIDL.
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| 40 | */
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| 41 |
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| 42 | #include "xpidl.h"
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| 43 | #include <ctype.h>
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| 44 |
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| 45 | #define AS_DECL 0
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| 46 | #define AS_CALL 1
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| 47 | #define AS_IMPL 2
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| 48 |
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| 49 | static gboolean write_method_signature(IDL_tree method_tree, FILE *outfile,
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| 50 | int mode, const char *className);
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| 51 | static gboolean write_attr_accessor(IDL_tree attr_tree, FILE * outfile,
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| 52 | gboolean getter,
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| 53 | int mode, const char *className);
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| 54 |
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| 55 | static void
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| 56 | write_indent(FILE *outfile) {
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| 57 | fputs(" ", outfile);
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| 58 | }
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| 59 |
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| 60 | static gboolean
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| 61 | header_prolog(TreeState *state)
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| 62 | {
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| 63 | const char *define = xpidl_basename(state->basename);
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| 64 | fprintf(state->file, "/*\n * DO NOT EDIT. THIS FILE IS GENERATED FROM"
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| 65 | " %s.idl\n */\n", state->basename);
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| 66 | fprintf(state->file,
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| 67 | "\n#ifndef __gen_%s_h__\n"
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| 68 | "#define __gen_%s_h__\n",
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| 69 | define, define);
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| 70 | if (state->base_includes != NULL) {
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| 71 | guint len = g_slist_length(state->base_includes);
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| 72 | guint i;
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| 73 |
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| 74 | fputc('\n', state->file);
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| 75 | for (i = 0; i < len; i++) {
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| 76 | char *ident, *dot;
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| 77 |
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| 78 | ident = (char *)g_slist_nth_data(state->base_includes, i);
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| 79 |
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| 80 | /* suppress any trailing .extension */
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| 81 |
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| 82 | /* XXX use g_basename instead ? ? */
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| 83 |
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| 84 | dot = strrchr(ident, '.');
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| 85 | if (dot != NULL)
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| 86 | *dot = '\0';
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| 87 |
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| 88 |
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| 89 | /* begin include guard */
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| 90 | fprintf(state->file,
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| 91 | "\n#ifndef __gen_%s_h__\n",
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| 92 | ident);
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| 93 |
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| 94 | fprintf(state->file, "#include \"%s.h\"\n",
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| 95 | (char *)g_slist_nth_data(state->base_includes, i));
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| 96 |
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| 97 | fprintf(state->file, "#endif\n");
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| 98 |
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| 99 | }
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| 100 | if (i > 0)
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| 101 | fputc('\n', state->file);
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| 102 | }
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| 103 | /*
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| 104 | * Support IDL files that don't include a root IDL file that defines
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| 105 | * NS_NO_VTABLE.
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| 106 | */
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| 107 | fprintf(state->file,
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| 108 | "/* For IDL files that don't want to include root IDL files. */\n"
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| 109 | "#ifndef NS_NO_VTABLE\n"
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| 110 | "#define NS_NO_VTABLE\n"
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| 111 | "#endif\n");
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| 112 |
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| 113 | return TRUE;
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| 114 | }
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| 115 |
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| 116 | static gboolean
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| 117 | header_epilog(TreeState *state)
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| 118 | {
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| 119 | const char *define = xpidl_basename(state->basename);
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| 120 | fprintf(state->file, "\n#endif /* __gen_%s_h__ */\n", define);
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| 121 | return TRUE;
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| 122 | }
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| 123 |
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| 124 | static void
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| 125 | write_classname_iid_define(FILE *file, const char *className)
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| 126 | {
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| 127 | const char *iidName;
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| 128 | if (className[0] == 'n' && className[1] == 's') {
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| 129 | /* backcompat naming styles */
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| 130 | fputs("NS_", file);
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| 131 | iidName = className + 2;
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| 132 | } else {
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| 133 | iidName = className;
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| 134 | }
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| 135 | while (*iidName)
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| 136 | fputc(toupper(*iidName++), file);
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| 137 | fputs("_IID", file);
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| 138 | }
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| 139 |
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| 140 | static gboolean
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| 141 | interface(TreeState *state)
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| 142 | {
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| 143 | IDL_tree iface = state->tree, iter, orig;
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| 144 | char *className = IDL_IDENT(IDL_INTERFACE(iface).ident).str;
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| 145 | char *classNameUpper = NULL;
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| 146 | char *classNameImpl = NULL;
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| 147 | char *cp;
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| 148 | gboolean ok = TRUE;
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| 149 | gboolean keepvtable;
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| 150 | const char *iid;
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| 151 | const char *name_space;
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| 152 | struct nsID id;
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| 153 | char iid_parsed[UUID_LENGTH];
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| 154 | GSList *doc_comments = IDL_IDENT(IDL_INTERFACE(iface).ident).comments;
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| 155 |
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| 156 | if (!verify_interface_declaration(iface))
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| 157 | return FALSE;
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| 158 |
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| 159 | #define FAIL do {ok = FALSE; goto out;} while(0)
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| 160 |
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| 161 | fprintf(state->file, "\n/* starting interface: %s */\n",
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| 162 | className);
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| 163 |
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| 164 | name_space = IDL_tree_property_get(IDL_INTERFACE(iface).ident, "namespace");
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| 165 | if (name_space) {
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| 166 | fprintf(state->file, "/* namespace: %s */\n",
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| 167 | name_space);
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| 168 | fprintf(state->file, "/* fully qualified name: %s.%s */\n",
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| 169 | name_space,className);
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| 170 | }
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| 171 |
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| 172 | iid = IDL_tree_property_get(IDL_INTERFACE(iface).ident, "uuid");
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| 173 | if (iid) {
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| 174 | /* Redundant, but a better error than 'cannot parse.' */
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| 175 | if (strlen(iid) != 36) {
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| 176 | IDL_tree_error(state->tree, "IID %s is the wrong length\n", iid);
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| 177 | FAIL;
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| 178 | }
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| 179 |
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| 180 | /*
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| 181 | * Parse uuid and then output resulting nsID to string, to validate
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| 182 | * uuid and normalize resulting .h files.
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| 183 | */
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| 184 | if (!xpidl_parse_iid(&id, iid)) {
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| 185 | IDL_tree_error(state->tree, "cannot parse IID %s\n", iid);
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| 186 | FAIL;
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| 187 | }
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| 188 | if (!xpidl_sprint_iid(&id, iid_parsed)) {
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| 189 | IDL_tree_error(state->tree, "error formatting IID %s\n", iid);
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| 190 | FAIL;
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| 191 | }
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| 192 |
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| 193 | /* #define NS_ISUPPORTS_IID_STR "00000000-0000-0000-c000-000000000046" */
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| 194 | fputs("#define ", state->file);
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| 195 | write_classname_iid_define(state->file, className);
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| 196 | fprintf(state->file, "_STR \"%s\"\n", iid_parsed);
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| 197 | fputc('\n', state->file);
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| 198 |
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| 199 | /* #define NS_ISUPPORTS_IID { {0x00000000 .... 0x46 }} */
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| 200 | fprintf(state->file, "#define ");
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| 201 | write_classname_iid_define(state->file, className);
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| 202 | fprintf(state->file, " \\\n"
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| 203 | " {0x%.8x, 0x%.4x, 0x%.4x, \\\n"
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| 204 | " { 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, "
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| 205 | "0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x }}\n",
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| 206 | id.m0, id.m1, id.m2,
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| 207 | id.m3[0], id.m3[1], id.m3[2], id.m3[3],
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| 208 | id.m3[4], id.m3[5], id.m3[6], id.m3[7]);
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| 209 | fputc('\n', state->file);
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| 210 | } else {
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| 211 | IDL_tree_error(state->tree, "interface %s lacks a uuid attribute\n",
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| 212 | className);
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| 213 | FAIL;
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| 214 | }
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| 215 |
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| 216 | if (doc_comments != NULL)
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| 217 | printlist(state->file, doc_comments);
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| 218 |
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| 219 | /*
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| 220 | * NS_NO_VTABLE is defined in nsISupportsUtils.h, and defined on windows
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| 221 | * to __declspec(novtable) on windows. This optimization is safe
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| 222 | * whenever the constructor calls no virtual methods. Writing in IDL
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| 223 | * almost guarantees this, except for the case when a %{C++ block occurs in
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| 224 | * the interface. We detect that case, and emit a macro call that disables
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| 225 | * the optimization.
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| 226 | */
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| 227 | keepvtable = FALSE;
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| 228 | for (iter = IDL_INTERFACE(state->tree).body;
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| 229 | iter != NULL;
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| 230 | iter = IDL_LIST(iter).next)
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| 231 | {
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| 232 | IDL_tree data = IDL_LIST(iter).data;
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| 233 | if (IDL_NODE_TYPE(data) == IDLN_CODEFRAG)
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| 234 | keepvtable = TRUE;
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| 235 | }
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| 236 |
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| 237 | /* The interface declaration itself. */
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| 238 | fprintf(state->file,
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| 239 | "class %s%s",
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| 240 | (keepvtable ? "" : "NS_NO_VTABLE "), className);
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| 241 |
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| 242 | if ((iter = IDL_INTERFACE(iface).inheritance_spec)) {
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| 243 | fputs(" : ", state->file);
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| 244 | if (IDL_LIST(iter).next != NULL) {
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| 245 | IDL_tree_error(iter,
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| 246 | "multiple inheritance is not supported by xpidl");
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| 247 | FAIL;
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| 248 | }
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| 249 | fprintf(state->file, "public %s", IDL_IDENT(IDL_LIST(iter).data).str);
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| 250 | }
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| 251 | fputs(" {\n"
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| 252 | " public: \n\n", state->file);
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| 253 | if (iid) {
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| 254 | fputs(" NS_DEFINE_STATIC_IID_ACCESSOR(", state->file);
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| 255 | write_classname_iid_define(state->file, className);
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| 256 | fputs(")\n\n", state->file);
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| 257 | }
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| 258 |
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| 259 | orig = state->tree; /* It would be nice to remove this state-twiddling. */
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| 260 |
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| 261 | state->tree = IDL_INTERFACE(iface).body;
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| 262 |
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| 263 | if (state->tree && !xpidl_process_node(state))
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| 264 | FAIL;
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| 265 |
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| 266 | fputs("};\n", state->file);
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| 267 | fputc('\n', state->file);
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| 268 |
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| 269 | /*
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| 270 | * #define NS_DECL_NSIFOO - create method prototypes that can be used in
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| 271 | * class definitions that support this interface.
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| 272 | *
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| 273 | * Walk the tree explicitly to prototype a reworking of xpidl to get rid of
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| 274 | * the callback mechanism.
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| 275 | */
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| 276 | state->tree = orig;
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| 277 | fputs("/* Use this macro when declaring classes that implement this "
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| 278 | "interface. */\n", state->file);
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| 279 | fputs("#define NS_DECL_", state->file);
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| 280 | classNameUpper = xpidl_strdup(className);
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| 281 | for (cp = classNameUpper; *cp != '\0'; cp++)
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| 282 | *cp = toupper(*cp);
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| 283 | fprintf(state->file, "%s \\\n", classNameUpper);
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| 284 | if (IDL_INTERFACE(state->tree).body == NULL) {
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| 285 | write_indent(state->file);
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| 286 | fputs("/* no methods! */\n", state->file);
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| 287 | }
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| 288 |
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| 289 | for (iter = IDL_INTERFACE(state->tree).body;
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| 290 | iter != NULL;
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| 291 | iter = IDL_LIST(iter).next)
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| 292 | {
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| 293 | IDL_tree data = IDL_LIST(iter).data;
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| 294 |
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| 295 | switch(IDL_NODE_TYPE(data)) {
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| 296 | case IDLN_OP_DCL:
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| 297 | write_indent(state->file);
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| 298 | write_method_signature(data, state->file, AS_DECL, NULL);
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| 299 | break;
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| 300 |
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| 301 | case IDLN_ATTR_DCL:
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| 302 | write_indent(state->file);
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| 303 | if (!write_attr_accessor(data, state->file, TRUE, AS_DECL, NULL))
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| 304 | FAIL;
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| 305 | if (!IDL_ATTR_DCL(data).f_readonly) {
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| 306 | fputs("; \\\n", state->file); /* Terminate the previous one. */
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| 307 | write_indent(state->file);
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| 308 | if (!write_attr_accessor(data, state->file,
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| 309 | FALSE, AS_DECL, NULL))
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| 310 | FAIL;
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| 311 | /* '; \n' at end will clean up. */
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| 312 | }
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| 313 | break;
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| 314 |
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| 315 | case IDLN_CONST_DCL:
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| 316 | /* ignore it here; it doesn't contribute to the macro. */
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| 317 | continue;
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| 318 |
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| 319 | case IDLN_CODEFRAG:
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| 320 | XPIDL_WARNING((iter, IDL_WARNING1,
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| 321 | "%%{ .. %%} code fragment within interface "
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| 322 | "ignored when generating NS_DECL_%s macro; "
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| 323 | "if the code fragment contains method "
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| 324 | "declarations, the macro probably isn't "
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| 325 | "complete.", classNameUpper));
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| 326 | continue;
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| 327 |
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| 328 | default:
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| 329 | IDL_tree_error(iter,
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| 330 | "unexpected node type %d! "
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| 331 | "Please file a bug against the xpidl component.",
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| 332 | IDL_NODE_TYPE(data));
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| 333 | FAIL;
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| 334 | }
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| 335 |
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| 336 | if (IDL_LIST(iter).next != NULL) {
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| 337 | fprintf(state->file, "; \\\n");
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| 338 | } else {
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| 339 | fprintf(state->file, "; \n");
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| 340 | }
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| 341 | }
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| 342 | fputc('\n', state->file);
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| 343 |
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| 344 | /* XXX abstract above and below into one function? */
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| 345 | /*
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| 346 | * #define NS_FORWARD_NSIFOO - create forwarding methods that can delegate
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| 347 | * behavior from in implementation to another object. As generated by
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| 348 | * idlc.
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| 349 | */
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| 350 | fprintf(state->file,
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| 351 | "/* Use this macro to declare functions that forward the "
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| 352 | "behavior of this interface to another object. */\n"
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| 353 | "#define NS_FORWARD_%s(_to) \\\n",
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| 354 | classNameUpper);
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| 355 | if (IDL_INTERFACE(state->tree).body == NULL) {
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| 356 | write_indent(state->file);
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| 357 | fputs("/* no methods! */\n", state->file);
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| 358 | }
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| 359 |
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| 360 | for (iter = IDL_INTERFACE(state->tree).body;
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| 361 | iter != NULL;
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| 362 | iter = IDL_LIST(iter).next)
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| 363 | {
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| 364 | IDL_tree data = IDL_LIST(iter).data;
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| 365 |
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| 366 | switch(IDL_NODE_TYPE(data)) {
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| 367 | case IDLN_OP_DCL:
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| 368 | write_indent(state->file);
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| 369 | write_method_signature(data, state->file, AS_DECL, NULL);
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| 370 | fputs(" { return _to ", state->file);
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| 371 | write_method_signature(data, state->file, AS_CALL, NULL);
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| 372 | break;
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| 373 |
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| 374 | case IDLN_ATTR_DCL:
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| 375 | write_indent(state->file);
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| 376 | if (!write_attr_accessor(data, state->file, TRUE, AS_DECL, NULL))
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| 377 | FAIL;
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| 378 | fputs(" { return _to ", state->file);
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| 379 | if (!write_attr_accessor(data, state->file, TRUE, AS_CALL, NULL))
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| 380 | FAIL;
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| 381 | if (!IDL_ATTR_DCL(data).f_readonly) {
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| 382 | fputs("; } \\\n", state->file); /* Terminate the previous one. */
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| 383 | write_indent(state->file);
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| 384 | if (!write_attr_accessor(data, state->file,
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| 385 | FALSE, AS_DECL, NULL))
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| 386 | FAIL;
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| 387 | fputs(" { return _to ", state->file);
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| 388 | if (!write_attr_accessor(data, state->file,
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| 389 | FALSE, AS_CALL, NULL))
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| 390 | FAIL;
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| 391 | /* '; } \n' at end will clean up. */
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| 392 | }
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| 393 | break;
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| 394 |
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| 395 | case IDLN_CONST_DCL:
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| 396 | case IDLN_CODEFRAG:
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| 397 | continue;
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| 398 |
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| 399 | default:
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| 400 | FAIL;
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| 401 | }
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| 402 |
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| 403 | if (IDL_LIST(iter).next != NULL) {
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| 404 | fprintf(state->file, "; } \\\n");
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| 405 | } else {
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| 406 | fprintf(state->file, "; } \n");
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| 407 | }
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| 408 | }
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| 409 | fputc('\n', state->file);
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| 410 |
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| 411 |
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| 412 | /* XXX abstract above and below into one function? */
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| 413 | /*
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| 414 | * #define NS_FORWARD_SAFE_NSIFOO - create forwarding methods that can delegate
|
---|
| 415 | * behavior from in implementation to another object. As generated by
|
---|
| 416 | * idlc.
|
---|
| 417 | */
|
---|
| 418 | fprintf(state->file,
|
---|
| 419 | "/* Use this macro to declare functions that forward the "
|
---|
| 420 | "behavior of this interface to another object in a safe way. */\n"
|
---|
| 421 | "#define NS_FORWARD_SAFE_%s(_to) \\\n",
|
---|
| 422 | classNameUpper);
|
---|
| 423 | if (IDL_INTERFACE(state->tree).body == NULL) {
|
---|
| 424 | write_indent(state->file);
|
---|
| 425 | fputs("/* no methods! */\n", state->file);
|
---|
| 426 | }
|
---|
| 427 |
|
---|
| 428 | for (iter = IDL_INTERFACE(state->tree).body;
|
---|
| 429 | iter != NULL;
|
---|
| 430 | iter = IDL_LIST(iter).next)
|
---|
| 431 | {
|
---|
| 432 | IDL_tree data = IDL_LIST(iter).data;
|
---|
| 433 |
|
---|
| 434 | switch(IDL_NODE_TYPE(data)) {
|
---|
| 435 | case IDLN_OP_DCL:
|
---|
| 436 | write_indent(state->file);
|
---|
| 437 | write_method_signature(data, state->file, AS_DECL, NULL);
|
---|
| 438 | fputs(" { return !_to ? NS_ERROR_NULL_POINTER : _to->", state->file);
|
---|
| 439 | write_method_signature(data, state->file, AS_CALL, NULL);
|
---|
| 440 | break;
|
---|
| 441 |
|
---|
| 442 | case IDLN_ATTR_DCL:
|
---|
| 443 | write_indent(state->file);
|
---|
| 444 | if (!write_attr_accessor(data, state->file, TRUE, AS_DECL, NULL))
|
---|
| 445 | FAIL;
|
---|
| 446 | fputs(" { return !_to ? NS_ERROR_NULL_POINTER : _to->", state->file);
|
---|
| 447 | if (!write_attr_accessor(data, state->file, TRUE, AS_CALL, NULL))
|
---|
| 448 | FAIL;
|
---|
| 449 | if (!IDL_ATTR_DCL(data).f_readonly) {
|
---|
| 450 | fputs("; } \\\n", state->file); /* Terminate the previous one. */
|
---|
| 451 | write_indent(state->file);
|
---|
| 452 | if (!write_attr_accessor(data, state->file,
|
---|
| 453 | FALSE, AS_DECL, NULL))
|
---|
| 454 | FAIL;
|
---|
| 455 | fputs(" { return !_to ? NS_ERROR_NULL_POINTER : _to->", state->file);
|
---|
| 456 | if (!write_attr_accessor(data, state->file,
|
---|
| 457 | FALSE, AS_CALL, NULL))
|
---|
| 458 | FAIL;
|
---|
| 459 | /* '; } \n' at end will clean up. */
|
---|
| 460 | }
|
---|
| 461 | break;
|
---|
| 462 |
|
---|
| 463 | case IDLN_CONST_DCL:
|
---|
| 464 | case IDLN_CODEFRAG:
|
---|
| 465 | continue;
|
---|
| 466 |
|
---|
| 467 | default:
|
---|
| 468 | FAIL;
|
---|
| 469 | }
|
---|
| 470 |
|
---|
| 471 | if (IDL_LIST(iter).next != NULL) {
|
---|
| 472 | fprintf(state->file, "; } \\\n");
|
---|
| 473 | } else {
|
---|
| 474 | fprintf(state->file, "; } \n");
|
---|
| 475 | }
|
---|
| 476 | }
|
---|
| 477 | fputc('\n', state->file);
|
---|
| 478 |
|
---|
| 479 | /*
|
---|
| 480 | * Build a sample implementation template.
|
---|
| 481 | */
|
---|
| 482 | if (strlen(className) >= 3 && className[2] == 'I') {
|
---|
| 483 | classNameImpl = xpidl_strdup(className);
|
---|
| 484 | if (!classNameImpl)
|
---|
| 485 | FAIL;
|
---|
| 486 | memmove(&classNameImpl[2], &classNameImpl[3], strlen(classNameImpl) - 2);
|
---|
| 487 | } else {
|
---|
| 488 | classNameImpl = xpidl_strdup("_MYCLASS_");
|
---|
| 489 | if (!classNameImpl)
|
---|
| 490 | FAIL;
|
---|
| 491 | }
|
---|
| 492 |
|
---|
| 493 | fputs("#if 0\n"
|
---|
| 494 | "/* Use the code below as a template for the "
|
---|
| 495 | "implementation class for this interface. */\n"
|
---|
| 496 | "\n"
|
---|
| 497 | "/* Header file */"
|
---|
| 498 | "\n",
|
---|
| 499 | state->file);
|
---|
| 500 | fprintf(state->file, "class %s : public %s\n", classNameImpl, className);
|
---|
| 501 | fputs("{\n"
|
---|
| 502 | "public:\n", state->file);
|
---|
| 503 | write_indent(state->file);
|
---|
| 504 | fputs("NS_DECL_ISUPPORTS\n", state->file);
|
---|
| 505 | write_indent(state->file);
|
---|
| 506 | fprintf(state->file, "NS_DECL_%s\n", classNameUpper);
|
---|
| 507 | fputs("\n", state->file);
|
---|
| 508 | write_indent(state->file);
|
---|
| 509 | fprintf(state->file, "%s();\n", classNameImpl);
|
---|
| 510 | fputs("\n"
|
---|
| 511 | "private:\n", state->file);
|
---|
| 512 | write_indent(state->file);
|
---|
| 513 | fprintf(state->file, "~%s();\n", classNameImpl);
|
---|
| 514 | fputs("\n"
|
---|
| 515 | "protected:\n", state->file);
|
---|
| 516 | write_indent(state->file);
|
---|
| 517 | fputs("/* additional members */\n", state->file);
|
---|
| 518 | fputs("};\n\n", state->file);
|
---|
| 519 |
|
---|
| 520 | fputs("/* Implementation file */\n", state->file);
|
---|
| 521 |
|
---|
| 522 | fprintf(state->file,
|
---|
| 523 | "NS_IMPL_ISUPPORTS1(%s, %s)\n", classNameImpl, className);
|
---|
| 524 | fputs("\n", state->file);
|
---|
| 525 |
|
---|
| 526 | fprintf(state->file, "%s::%s()\n", classNameImpl, classNameImpl);
|
---|
| 527 | fputs("{\n", state->file);
|
---|
| 528 | write_indent(state->file);
|
---|
| 529 | fputs("/* member initializers and constructor code */\n", state->file);
|
---|
| 530 | fputs("}\n\n", state->file);
|
---|
| 531 |
|
---|
| 532 | fprintf(state->file, "%s::~%s()\n", classNameImpl, classNameImpl);
|
---|
| 533 | fputs("{\n", state->file);
|
---|
| 534 | write_indent(state->file);
|
---|
| 535 | fputs("/* destructor code */\n", state->file);
|
---|
| 536 | fputs("}\n\n", state->file);
|
---|
| 537 |
|
---|
| 538 | for (iter = IDL_INTERFACE(state->tree).body;
|
---|
| 539 | iter != NULL;
|
---|
| 540 | iter = IDL_LIST(iter).next)
|
---|
| 541 | {
|
---|
| 542 | IDL_tree data = IDL_LIST(iter).data;
|
---|
| 543 |
|
---|
| 544 | switch(IDL_NODE_TYPE(data)) {
|
---|
| 545 | case IDLN_OP_DCL:
|
---|
| 546 | /* It would be nice to remove this state-twiddling. */
|
---|
| 547 | orig = state->tree;
|
---|
| 548 | state->tree = data;
|
---|
| 549 | xpidl_write_comment(state, 0);
|
---|
| 550 | state->tree = orig;
|
---|
| 551 |
|
---|
| 552 | write_method_signature(data, state->file, AS_IMPL, classNameImpl);
|
---|
| 553 | fputs("\n{\n", state->file);
|
---|
| 554 | write_indent(state->file);
|
---|
| 555 | write_indent(state->file);
|
---|
| 556 | fputs("return NS_ERROR_NOT_IMPLEMENTED;\n"
|
---|
| 557 | "}\n"
|
---|
| 558 | "\n", state->file);
|
---|
| 559 | break;
|
---|
| 560 |
|
---|
| 561 | case IDLN_ATTR_DCL:
|
---|
| 562 | /* It would be nice to remove this state-twiddling. */
|
---|
| 563 | orig = state->tree;
|
---|
| 564 | state->tree = data;
|
---|
| 565 | xpidl_write_comment(state, 0);
|
---|
| 566 | state->tree = orig;
|
---|
| 567 |
|
---|
| 568 | if (!write_attr_accessor(data, state->file, TRUE,
|
---|
| 569 | AS_IMPL, classNameImpl))
|
---|
| 570 | FAIL;
|
---|
| 571 | fputs("\n{\n", state->file);
|
---|
| 572 | write_indent(state->file);
|
---|
| 573 | write_indent(state->file);
|
---|
| 574 | fputs("return NS_ERROR_NOT_IMPLEMENTED;\n"
|
---|
| 575 | "}\n", state->file);
|
---|
| 576 |
|
---|
| 577 | if (!IDL_ATTR_DCL(data).f_readonly) {
|
---|
| 578 | if (!write_attr_accessor(data, state->file, FALSE,
|
---|
| 579 | AS_IMPL, classNameImpl))
|
---|
| 580 | FAIL;
|
---|
| 581 | fputs("\n{\n", state->file);
|
---|
| 582 | write_indent(state->file);
|
---|
| 583 | write_indent(state->file);
|
---|
| 584 | fputs("return NS_ERROR_NOT_IMPLEMENTED;\n"
|
---|
| 585 | "}\n", state->file);
|
---|
| 586 | }
|
---|
| 587 | fputs("\n", state->file);
|
---|
| 588 | break;
|
---|
| 589 |
|
---|
| 590 | case IDLN_CONST_DCL:
|
---|
| 591 | case IDLN_CODEFRAG:
|
---|
| 592 | continue;
|
---|
| 593 |
|
---|
| 594 | default:
|
---|
| 595 | FAIL;
|
---|
| 596 | }
|
---|
| 597 | }
|
---|
| 598 |
|
---|
| 599 | fputs("/* End of implementation class template. */\n"
|
---|
| 600 | "#endif\n"
|
---|
| 601 | "\n", state->file);
|
---|
| 602 |
|
---|
| 603 | #undef FAIL
|
---|
| 604 |
|
---|
| 605 | out:
|
---|
| 606 | if (classNameUpper)
|
---|
| 607 | free(classNameUpper);
|
---|
| 608 | if (classNameImpl)
|
---|
| 609 | free(classNameImpl);
|
---|
| 610 | return ok;
|
---|
| 611 | }
|
---|
| 612 |
|
---|
| 613 | static gboolean
|
---|
| 614 | list(TreeState *state)
|
---|
| 615 | {
|
---|
| 616 | IDL_tree iter;
|
---|
| 617 | for (iter = state->tree; iter; iter = IDL_LIST(iter).next) {
|
---|
| 618 | state->tree = IDL_LIST(iter).data;
|
---|
| 619 | if (!xpidl_process_node(state))
|
---|
| 620 | return FALSE;
|
---|
| 621 | }
|
---|
| 622 | return TRUE;
|
---|
| 623 | }
|
---|
| 624 |
|
---|
| 625 | static gboolean
|
---|
| 626 | write_type(IDL_tree type_tree, gboolean is_out, FILE *outfile)
|
---|
| 627 | {
|
---|
| 628 | if (!type_tree) {
|
---|
| 629 | fputs("void", outfile);
|
---|
| 630 | return TRUE;
|
---|
| 631 | }
|
---|
| 632 |
|
---|
| 633 | switch (IDL_NODE_TYPE(type_tree)) {
|
---|
| 634 | case IDLN_TYPE_INTEGER: {
|
---|
| 635 | gboolean sign = IDL_TYPE_INTEGER(type_tree).f_signed;
|
---|
| 636 | switch (IDL_TYPE_INTEGER(type_tree).f_type) {
|
---|
| 637 | case IDL_INTEGER_TYPE_SHORT:
|
---|
| 638 | fputs(sign ? "PRInt16" : "PRUint16", outfile);
|
---|
| 639 | break;
|
---|
| 640 | case IDL_INTEGER_TYPE_LONG:
|
---|
| 641 | fputs(sign ? "PRInt32" : "PRUint32", outfile);
|
---|
| 642 | break;
|
---|
| 643 | case IDL_INTEGER_TYPE_LONGLONG:
|
---|
| 644 | fputs(sign ? "PRInt64" : "PRUint64", outfile);
|
---|
| 645 | break;
|
---|
| 646 | default:
|
---|
| 647 | g_error("Unknown integer type %d\n",
|
---|
| 648 | IDL_TYPE_INTEGER(type_tree).f_type);
|
---|
| 649 | return FALSE;
|
---|
| 650 | }
|
---|
| 651 | break;
|
---|
| 652 | }
|
---|
| 653 | case IDLN_TYPE_CHAR:
|
---|
| 654 | fputs("char", outfile);
|
---|
| 655 | break;
|
---|
| 656 | case IDLN_TYPE_WIDE_CHAR:
|
---|
| 657 | fputs("PRUnichar", outfile); /* wchar_t? */
|
---|
| 658 | break;
|
---|
| 659 | case IDLN_TYPE_WIDE_STRING:
|
---|
| 660 | fputs("PRUnichar *", outfile);
|
---|
| 661 | break;
|
---|
| 662 | case IDLN_TYPE_STRING:
|
---|
| 663 | fputs("char *", outfile);
|
---|
| 664 | break;
|
---|
| 665 | case IDLN_TYPE_BOOLEAN:
|
---|
| 666 | fputs("PRBool", outfile);
|
---|
| 667 | break;
|
---|
| 668 | case IDLN_TYPE_OCTET:
|
---|
| 669 | fputs("PRUint8", outfile);
|
---|
| 670 | break;
|
---|
| 671 | case IDLN_TYPE_FLOAT:
|
---|
| 672 | switch (IDL_TYPE_FLOAT(type_tree).f_type) {
|
---|
| 673 | case IDL_FLOAT_TYPE_FLOAT:
|
---|
| 674 | fputs("float", outfile);
|
---|
| 675 | break;
|
---|
| 676 | case IDL_FLOAT_TYPE_DOUBLE:
|
---|
| 677 | fputs("double", outfile);
|
---|
| 678 | break;
|
---|
| 679 | /* XXX 'long double' just ignored, or what? */
|
---|
| 680 | default:
|
---|
| 681 | fprintf(outfile, "unknown_type_%d", IDL_NODE_TYPE(type_tree));
|
---|
| 682 | break;
|
---|
| 683 | }
|
---|
| 684 | break;
|
---|
| 685 | case IDLN_IDENT:
|
---|
| 686 | if (UP_IS_NATIVE(type_tree)) {
|
---|
| 687 | if (IDL_tree_property_get(type_tree, "domstring") ||
|
---|
| 688 | IDL_tree_property_get(type_tree, "astring")) {
|
---|
| 689 | fputs("nsAString", outfile);
|
---|
| 690 | } else if (IDL_tree_property_get(type_tree, "utf8string")) {
|
---|
| 691 | fputs("nsACString", outfile);
|
---|
| 692 | } else if (IDL_tree_property_get(type_tree, "cstring")) {
|
---|
| 693 | fputs("nsACString", outfile);
|
---|
| 694 | } else {
|
---|
| 695 | fputs(IDL_NATIVE(IDL_NODE_UP(type_tree)).user_type, outfile);
|
---|
| 696 | }
|
---|
| 697 | if (IDL_tree_property_get(type_tree, "ptr")) {
|
---|
| 698 | fputs(" *", outfile);
|
---|
| 699 | } else if (IDL_tree_property_get(type_tree, "ref")) {
|
---|
| 700 | fputs(" &", outfile);
|
---|
| 701 | }
|
---|
| 702 | } else {
|
---|
| 703 | fputs(IDL_IDENT(type_tree).str, outfile);
|
---|
| 704 | }
|
---|
| 705 | if (UP_IS_AGGREGATE(type_tree))
|
---|
| 706 | fputs(" *", outfile);
|
---|
| 707 | break;
|
---|
| 708 | default:
|
---|
| 709 | fprintf(outfile, "unknown_type_%d", IDL_NODE_TYPE(type_tree));
|
---|
| 710 | break;
|
---|
| 711 | }
|
---|
| 712 | return TRUE;
|
---|
| 713 | }
|
---|
| 714 |
|
---|
| 715 | /*
|
---|
| 716 | * An attribute declaration looks like:
|
---|
| 717 | *
|
---|
| 718 | * [ IDL_ATTR_DCL]
|
---|
| 719 | * - param_type_spec [IDL_TYPE_* or NULL for void]
|
---|
| 720 | * - simple_declarations [IDL_LIST]
|
---|
| 721 | * - data [IDL_IDENT]
|
---|
| 722 | * - next [IDL_LIST or NULL if no more idents]
|
---|
| 723 | * - data [IDL_IDENT]
|
---|
| 724 | */
|
---|
| 725 |
|
---|
| 726 | #define ATTR_IDENT(tree) (IDL_IDENT(IDL_LIST(IDL_ATTR_DCL(tree).simple_declarations).data))
|
---|
| 727 | #define ATTR_TYPE_DECL(tree) (IDL_ATTR_DCL(tree).param_type_spec)
|
---|
| 728 | #define ATTR_TYPE(tree) (IDL_NODE_TYPE(ATTR_TYPE_DECL(tree)))
|
---|
| 729 |
|
---|
| 730 | /*
|
---|
| 731 | * AS_DECL writes 'NS_IMETHOD foo(string bar, long sil)'
|
---|
| 732 | * AS_IMPL writes 'NS_IMETHODIMP className::foo(string bar, long sil)'
|
---|
| 733 | * AS_CALL writes 'foo(bar, sil)'
|
---|
| 734 | */
|
---|
| 735 | static gboolean
|
---|
| 736 | write_attr_accessor(IDL_tree attr_tree, FILE * outfile,
|
---|
| 737 | gboolean getter, int mode, const char *className)
|
---|
| 738 | {
|
---|
| 739 | char *attrname = ATTR_IDENT(attr_tree).str;
|
---|
| 740 |
|
---|
| 741 | if (mode == AS_DECL) {
|
---|
| 742 | fputs("NS_IMETHOD ", outfile);
|
---|
| 743 | } else if (mode == AS_IMPL) {
|
---|
| 744 | fprintf(outfile, "NS_IMETHODIMP %s::", className);
|
---|
| 745 | }
|
---|
| 746 | fprintf(outfile, "%cet%c%s(",
|
---|
| 747 | getter ? 'G' : 'S',
|
---|
| 748 | toupper(*attrname), attrname + 1);
|
---|
| 749 | if (mode == AS_DECL || mode == AS_IMPL) {
|
---|
| 750 | /* Setters for string, wstring, nsid, domstring, utf8string,
|
---|
| 751 | * cstring and astring get const.
|
---|
| 752 | */
|
---|
| 753 | if (!getter &&
|
---|
| 754 | (IDL_NODE_TYPE(ATTR_TYPE_DECL(attr_tree)) == IDLN_TYPE_STRING ||
|
---|
| 755 | IDL_NODE_TYPE(ATTR_TYPE_DECL(attr_tree)) == IDLN_TYPE_WIDE_STRING ||
|
---|
| 756 | IDL_tree_property_get(ATTR_TYPE_DECL(attr_tree), "nsid") ||
|
---|
| 757 | IDL_tree_property_get(ATTR_TYPE_DECL(attr_tree), "domstring") ||
|
---|
| 758 | IDL_tree_property_get(ATTR_TYPE_DECL(attr_tree), "utf8string") ||
|
---|
| 759 | IDL_tree_property_get(ATTR_TYPE_DECL(attr_tree), "cstring") ||
|
---|
| 760 | IDL_tree_property_get(ATTR_TYPE_DECL(attr_tree), "astring")))
|
---|
| 761 | {
|
---|
| 762 | fputs("const ", outfile);
|
---|
| 763 | }
|
---|
| 764 |
|
---|
| 765 | if (!write_type(ATTR_TYPE_DECL(attr_tree), getter, outfile))
|
---|
| 766 | return FALSE;
|
---|
| 767 | fprintf(outfile, "%s%s",
|
---|
| 768 | (STARRED_TYPE(attr_tree) ? "" : " "),
|
---|
| 769 | (getter && !DIPPER_TYPE(ATTR_TYPE_DECL(attr_tree)))? "*" : "");
|
---|
| 770 | }
|
---|
| 771 | fprintf(outfile, "a%c%s)", toupper(attrname[0]), attrname + 1);
|
---|
| 772 | return TRUE;
|
---|
| 773 | }
|
---|
| 774 |
|
---|
| 775 | static gboolean
|
---|
| 776 | attr_dcl(TreeState *state)
|
---|
| 777 | {
|
---|
| 778 | GSList *doc_comments;
|
---|
| 779 |
|
---|
| 780 | if (!verify_attribute_declaration(state->tree))
|
---|
| 781 | return FALSE;
|
---|
| 782 |
|
---|
| 783 | doc_comments =
|
---|
| 784 | IDL_IDENT(IDL_LIST(IDL_ATTR_DCL
|
---|
| 785 | (state->tree).simple_declarations).data).comments;
|
---|
| 786 |
|
---|
| 787 | if (doc_comments != NULL) {
|
---|
| 788 | write_indent(state->file);
|
---|
| 789 | printlist(state->file, doc_comments);
|
---|
| 790 | }
|
---|
| 791 |
|
---|
| 792 | /*
|
---|
| 793 | * XXX lists of attributes with the same type, e.g.
|
---|
| 794 | * attribute string foo, bar sil;
|
---|
| 795 | * are legal IDL... but we don't do anything with 'em.
|
---|
| 796 | */
|
---|
| 797 | if (IDL_LIST(IDL_ATTR_DCL(state->tree).simple_declarations).next != NULL) {
|
---|
| 798 | XPIDL_WARNING((state->tree, IDL_WARNING1,
|
---|
| 799 | "multiple attributes in a single declaration aren't "
|
---|
| 800 | "currently supported by xpidl"));
|
---|
| 801 | }
|
---|
| 802 |
|
---|
| 803 | xpidl_write_comment(state, 2);
|
---|
| 804 |
|
---|
| 805 | write_indent(state->file);
|
---|
| 806 | if (!write_attr_accessor(state->tree, state->file, TRUE, AS_DECL, NULL))
|
---|
| 807 | return FALSE;
|
---|
| 808 | fputs(" = 0;\n", state->file);
|
---|
| 809 |
|
---|
| 810 | if (!IDL_ATTR_DCL(state->tree).f_readonly) {
|
---|
| 811 | write_indent(state->file);
|
---|
| 812 | if (!write_attr_accessor(state->tree, state->file, FALSE, AS_DECL, NULL))
|
---|
| 813 | return FALSE;
|
---|
| 814 | fputs(" = 0;\n", state->file);
|
---|
| 815 | }
|
---|
| 816 | fputc('\n', state->file);
|
---|
| 817 |
|
---|
| 818 | return TRUE;
|
---|
| 819 | }
|
---|
| 820 |
|
---|
| 821 | static gboolean
|
---|
| 822 | do_enum(TreeState *state)
|
---|
| 823 | {
|
---|
| 824 | IDL_tree_error(state->tree, "enums not supported, "
|
---|
| 825 | "see http://bugzilla.mozilla.org/show_bug.cgi?id=8781");
|
---|
| 826 | return FALSE;
|
---|
| 827 | }
|
---|
| 828 |
|
---|
| 829 | static gboolean
|
---|
| 830 | do_const_dcl(TreeState *state)
|
---|
| 831 | {
|
---|
| 832 | struct _IDL_CONST_DCL *dcl = &IDL_CONST_DCL(state->tree);
|
---|
| 833 | const char *name = IDL_IDENT(dcl->ident).str;
|
---|
| 834 | gboolean is_signed;
|
---|
| 835 | GSList *doc_comments = IDL_IDENT(dcl->ident).comments;
|
---|
| 836 | IDL_tree real_type;
|
---|
| 837 | const char *const_format;
|
---|
| 838 |
|
---|
| 839 | if (!verify_const_declaration(state->tree))
|
---|
| 840 | return FALSE;
|
---|
| 841 |
|
---|
| 842 | if (doc_comments != NULL) {
|
---|
| 843 | write_indent(state->file);
|
---|
| 844 | printlist(state->file, doc_comments);
|
---|
| 845 | }
|
---|
| 846 |
|
---|
| 847 | /* Could be a typedef; try to map it to the real type. */
|
---|
| 848 | real_type = find_underlying_type(dcl->const_type);
|
---|
| 849 | real_type = real_type ? real_type : dcl->const_type;
|
---|
| 850 | is_signed = IDL_TYPE_INTEGER(real_type).f_signed;
|
---|
| 851 |
|
---|
| 852 | const_format = is_signed ? "%" IDL_LL "d" : "%" IDL_LL "uU";
|
---|
| 853 | write_indent(state->file);
|
---|
| 854 | fprintf(state->file, "enum { %s = ", name);
|
---|
| 855 | fprintf(state->file, const_format, IDL_INTEGER(dcl->const_exp).value);
|
---|
| 856 | fprintf(state->file, " };\n\n");
|
---|
| 857 |
|
---|
| 858 | return TRUE;
|
---|
| 859 | }
|
---|
| 860 |
|
---|
| 861 | static gboolean
|
---|
| 862 | do_typedef(TreeState *state)
|
---|
| 863 | {
|
---|
| 864 | IDL_tree type = IDL_TYPE_DCL(state->tree).type_spec;
|
---|
| 865 | IDL_tree dcls = IDL_TYPE_DCL(state->tree).dcls;
|
---|
| 866 | IDL_tree complex;
|
---|
| 867 | GSList *doc_comments;
|
---|
| 868 |
|
---|
| 869 | if (IDL_NODE_TYPE(type) == IDLN_TYPE_SEQUENCE) {
|
---|
| 870 | XPIDL_WARNING((state->tree, IDL_WARNING1,
|
---|
| 871 | "sequences not supported, ignored"));
|
---|
| 872 | } else {
|
---|
| 873 | if (IDL_NODE_TYPE(complex = IDL_LIST(dcls).data) == IDLN_TYPE_ARRAY) {
|
---|
| 874 | IDL_tree dim = IDL_TYPE_ARRAY(complex).size_list;
|
---|
| 875 | doc_comments = IDL_IDENT(IDL_TYPE_ARRAY(complex).ident).comments;
|
---|
| 876 |
|
---|
| 877 | if (doc_comments != NULL)
|
---|
| 878 | printlist(state->file, doc_comments);
|
---|
| 879 |
|
---|
| 880 | fputs("typedef ", state->file);
|
---|
| 881 | if (!write_type(type, FALSE, state->file))
|
---|
| 882 | return FALSE;
|
---|
| 883 | fputs(" ", state->file);
|
---|
| 884 |
|
---|
| 885 | fprintf(state->file, "%s",
|
---|
| 886 | IDL_IDENT(IDL_TYPE_ARRAY(complex).ident).str);
|
---|
| 887 | do {
|
---|
| 888 | fputc('[', state->file);
|
---|
| 889 | if (IDL_LIST(dim).data) {
|
---|
| 890 | fprintf(state->file, "%ld",
|
---|
| 891 | (long)IDL_INTEGER(IDL_LIST(dim).data).value);
|
---|
| 892 | }
|
---|
| 893 | fputc(']', state->file);
|
---|
| 894 | } while ((dim = IDL_LIST(dim).next) != NULL);
|
---|
| 895 | } else {
|
---|
| 896 | doc_comments = IDL_IDENT(IDL_LIST(dcls).data).comments;
|
---|
| 897 |
|
---|
| 898 | if (doc_comments != NULL)
|
---|
| 899 | printlist(state->file, doc_comments);
|
---|
| 900 |
|
---|
| 901 | fputs("typedef ", state->file);
|
---|
| 902 | if (!write_type(type, FALSE, state->file))
|
---|
| 903 | return FALSE;
|
---|
| 904 | fputs(" ", state->file);
|
---|
| 905 | fputs(IDL_IDENT(IDL_LIST(dcls).data).str, state->file);
|
---|
| 906 | }
|
---|
| 907 | fputs(";\n\n", state->file);
|
---|
| 908 | }
|
---|
| 909 | return TRUE;
|
---|
| 910 | }
|
---|
| 911 |
|
---|
| 912 | /*
|
---|
| 913 | * param generation:
|
---|
| 914 | * in string foo --> nsString *foo
|
---|
| 915 | * out string foo --> nsString **foo;
|
---|
| 916 | * inout string foo --> nsString **foo;
|
---|
| 917 | */
|
---|
| 918 |
|
---|
| 919 | /* If notype is true, just write the param name. */
|
---|
| 920 | static gboolean
|
---|
| 921 | write_param(IDL_tree param_tree, FILE *outfile)
|
---|
| 922 | {
|
---|
| 923 | IDL_tree param_type_spec = IDL_PARAM_DCL(param_tree).param_type_spec;
|
---|
| 924 | gboolean is_in = IDL_PARAM_DCL(param_tree).attr == IDL_PARAM_IN;
|
---|
| 925 | /* in string, wstring, nsid, domstring, utf8string, cstring and
|
---|
| 926 | * astring any explicitly marked [const] are const
|
---|
| 927 | */
|
---|
| 928 |
|
---|
| 929 | if (is_in &&
|
---|
| 930 | (IDL_NODE_TYPE(param_type_spec) == IDLN_TYPE_STRING ||
|
---|
| 931 | IDL_NODE_TYPE(param_type_spec) == IDLN_TYPE_WIDE_STRING ||
|
---|
| 932 | IDL_tree_property_get(IDL_PARAM_DCL(param_tree).simple_declarator,
|
---|
| 933 | "const") ||
|
---|
| 934 | IDL_tree_property_get(param_type_spec, "nsid") ||
|
---|
| 935 | IDL_tree_property_get(param_type_spec, "domstring") ||
|
---|
| 936 | IDL_tree_property_get(param_type_spec, "utf8string") ||
|
---|
| 937 | IDL_tree_property_get(param_type_spec, "cstring") ||
|
---|
| 938 | IDL_tree_property_get(param_type_spec, "astring"))) {
|
---|
| 939 | fputs("const ", outfile);
|
---|
| 940 | }
|
---|
| 941 | else if (IDL_PARAM_DCL(param_tree).attr == IDL_PARAM_OUT &&
|
---|
| 942 | IDL_tree_property_get(IDL_PARAM_DCL(param_tree).simple_declarator,
|
---|
| 943 | "shared")) {
|
---|
| 944 | fputs("const ", outfile);
|
---|
| 945 | }
|
---|
| 946 |
|
---|
| 947 | if (!write_type(param_type_spec, !is_in, outfile))
|
---|
| 948 | return FALSE;
|
---|
| 949 |
|
---|
| 950 | /* unless the type ended in a *, add a space */
|
---|
| 951 | if (!STARRED_TYPE(param_type_spec))
|
---|
| 952 | fputc(' ', outfile);
|
---|
| 953 |
|
---|
| 954 | /* out and inout params get a bonus '*' (unless this is type that has a
|
---|
| 955 | * 'dipper' class that is passed in to receive 'out' data)
|
---|
| 956 | */
|
---|
| 957 | if (IDL_PARAM_DCL(param_tree).attr != IDL_PARAM_IN &&
|
---|
| 958 | !DIPPER_TYPE(param_type_spec)) {
|
---|
| 959 | fputc('*', outfile);
|
---|
| 960 | }
|
---|
| 961 | /* arrays get a bonus * too */
|
---|
| 962 | /* XXX Should this be a leading '*' or a trailing "[]" ?*/
|
---|
| 963 | if (IDL_tree_property_get(IDL_PARAM_DCL(param_tree).simple_declarator,
|
---|
| 964 | "array"))
|
---|
| 965 | fputc('*', outfile);
|
---|
| 966 |
|
---|
| 967 | fputs(IDL_IDENT(IDL_PARAM_DCL(param_tree).simple_declarator).str, outfile);
|
---|
| 968 |
|
---|
| 969 | return TRUE;
|
---|
| 970 | }
|
---|
| 971 |
|
---|
| 972 | /*
|
---|
| 973 | * A forward declaration, usually an interface.
|
---|
| 974 | */
|
---|
| 975 | static gboolean
|
---|
| 976 | forward_dcl(TreeState *state)
|
---|
| 977 | {
|
---|
| 978 | IDL_tree iface = state->tree;
|
---|
| 979 | const char *className = IDL_IDENT(IDL_FORWARD_DCL(iface).ident).str;
|
---|
| 980 |
|
---|
| 981 | if (!className)
|
---|
| 982 | return FALSE;
|
---|
| 983 |
|
---|
| 984 | fprintf(state->file, "class %s; /* forward declaration */\n\n", className);
|
---|
| 985 | return TRUE;
|
---|
| 986 | }
|
---|
| 987 |
|
---|
| 988 | /*
|
---|
| 989 | * Shared between the interface class declaration and the NS_DECL_IFOO macro
|
---|
| 990 | * provided to aid declaration of implementation classes.
|
---|
| 991 | * mode...
|
---|
| 992 | * AS_DECL writes 'NS_IMETHOD foo(string bar, long sil)'
|
---|
| 993 | * AS_IMPL writes 'NS_IMETHODIMP className::foo(string bar, long sil)'
|
---|
| 994 | * AS_CALL writes 'foo(bar, sil)'
|
---|
| 995 | */
|
---|
| 996 | static gboolean
|
---|
| 997 | write_method_signature(IDL_tree method_tree, FILE *outfile, int mode,
|
---|
| 998 | const char *className)
|
---|
| 999 | {
|
---|
| 1000 | struct _IDL_OP_DCL *op = &IDL_OP_DCL(method_tree);
|
---|
| 1001 | gboolean no_generated_args = TRUE;
|
---|
| 1002 | gboolean op_notxpcom =
|
---|
| 1003 | (IDL_tree_property_get(op->ident, "notxpcom") != NULL);
|
---|
| 1004 | const char *name;
|
---|
| 1005 | IDL_tree iter;
|
---|
| 1006 |
|
---|
| 1007 | if (mode == AS_DECL) {
|
---|
| 1008 | if (op_notxpcom) {
|
---|
| 1009 | fputs("NS_IMETHOD_(", outfile);
|
---|
| 1010 | if (!write_type(op->op_type_spec, FALSE, outfile))
|
---|
| 1011 | return FALSE;
|
---|
| 1012 | fputc(')', outfile);
|
---|
| 1013 | } else {
|
---|
| 1014 | fputs("NS_IMETHOD", outfile);
|
---|
| 1015 | }
|
---|
| 1016 | fputc(' ', outfile);
|
---|
| 1017 | }
|
---|
| 1018 | else if (mode == AS_IMPL) {
|
---|
| 1019 | if (op_notxpcom) {
|
---|
| 1020 | fputs("NS_IMETHODIMP_(", outfile);
|
---|
| 1021 | if (!write_type(op->op_type_spec, FALSE, outfile))
|
---|
| 1022 | return FALSE;
|
---|
| 1023 | fputc(')', outfile);
|
---|
| 1024 | } else {
|
---|
| 1025 | fputs("NS_IMETHODIMP", outfile);
|
---|
| 1026 | }
|
---|
| 1027 | fputc(' ', outfile);
|
---|
| 1028 | }
|
---|
| 1029 | name = IDL_IDENT(op->ident).str;
|
---|
| 1030 | if (mode == AS_IMPL) {
|
---|
| 1031 | fprintf(outfile, "%s::%c%s(", className, toupper(*name), name + 1);
|
---|
| 1032 | } else {
|
---|
| 1033 | fprintf(outfile, "%c%s(", toupper(*name), name + 1);
|
---|
| 1034 | }
|
---|
| 1035 | for (iter = op->parameter_dcls; iter; iter = IDL_LIST(iter).next) {
|
---|
| 1036 | if (mode == AS_DECL || mode == AS_IMPL) {
|
---|
| 1037 | if (!write_param(IDL_LIST(iter).data, outfile))
|
---|
| 1038 | return FALSE;
|
---|
| 1039 | } else {
|
---|
| 1040 | fputs(IDL_IDENT(IDL_PARAM_DCL(IDL_LIST(iter).data)
|
---|
| 1041 | .simple_declarator).str,
|
---|
| 1042 | outfile);
|
---|
| 1043 | }
|
---|
| 1044 | if ((IDL_LIST(iter).next ||
|
---|
| 1045 | (!op_notxpcom && op->op_type_spec) || op->f_varargs))
|
---|
| 1046 | fputs(", ", outfile);
|
---|
| 1047 | no_generated_args = FALSE;
|
---|
| 1048 | }
|
---|
| 1049 |
|
---|
| 1050 | /* make IDL return value into trailing out argument */
|
---|
| 1051 | if (op->op_type_spec && !op_notxpcom) {
|
---|
| 1052 | IDL_tree fake_param = IDL_param_dcl_new(IDL_PARAM_OUT,
|
---|
| 1053 | op->op_type_spec,
|
---|
| 1054 | IDL_ident_new("_retval"));
|
---|
| 1055 | if (!fake_param)
|
---|
| 1056 | return FALSE;
|
---|
| 1057 | if (mode == AS_DECL || mode == AS_IMPL) {
|
---|
| 1058 | if (!write_param(fake_param, outfile))
|
---|
| 1059 | return FALSE;
|
---|
| 1060 | } else {
|
---|
| 1061 | fputs("_retval", outfile);
|
---|
| 1062 | }
|
---|
| 1063 | if (op->f_varargs)
|
---|
| 1064 | fputs(", ", outfile);
|
---|
| 1065 | no_generated_args = FALSE;
|
---|
| 1066 | }
|
---|
| 1067 |
|
---|
| 1068 | /* varargs go last */
|
---|
| 1069 | if (op->f_varargs) {
|
---|
| 1070 | if (mode == AS_DECL || mode == AS_IMPL) {
|
---|
| 1071 | fputs("nsVarArgs *", outfile);
|
---|
| 1072 | }
|
---|
| 1073 | fputs("_varargs", outfile);
|
---|
| 1074 | no_generated_args = FALSE;
|
---|
| 1075 | }
|
---|
| 1076 |
|
---|
| 1077 | /*
|
---|
| 1078 | * If generated method has no arguments, output 'void' to avoid C legacy
|
---|
| 1079 | * behavior of disabling type checking.
|
---|
| 1080 | */
|
---|
| 1081 | if (no_generated_args && mode == AS_DECL) {
|
---|
| 1082 | fputs("void", outfile);
|
---|
| 1083 | }
|
---|
| 1084 |
|
---|
| 1085 | fputc(')', outfile);
|
---|
| 1086 |
|
---|
| 1087 | return TRUE;
|
---|
| 1088 | }
|
---|
| 1089 |
|
---|
| 1090 | /*
|
---|
| 1091 | * A method is an `operation', therefore a method decl is an `op dcl'.
|
---|
| 1092 | * I blame Elliot.
|
---|
| 1093 | */
|
---|
| 1094 | static gboolean
|
---|
| 1095 | op_dcl(TreeState *state)
|
---|
| 1096 | {
|
---|
| 1097 | GSList *doc_comments = IDL_IDENT(IDL_OP_DCL(state->tree).ident).comments;
|
---|
| 1098 |
|
---|
| 1099 | /*
|
---|
| 1100 | * Verify that e.g. non-scriptable methods in [scriptable] interfaces
|
---|
| 1101 | * are declared so. Do this in a separate verification pass?
|
---|
| 1102 | */
|
---|
| 1103 | if (!verify_method_declaration(state->tree))
|
---|
| 1104 | return FALSE;
|
---|
| 1105 |
|
---|
| 1106 | if (doc_comments != NULL) {
|
---|
| 1107 | write_indent(state->file);
|
---|
| 1108 | printlist(state->file, doc_comments);
|
---|
| 1109 | }
|
---|
| 1110 | xpidl_write_comment(state, 2);
|
---|
| 1111 |
|
---|
| 1112 | write_indent(state->file);
|
---|
| 1113 | if (!write_method_signature(state->tree, state->file, AS_DECL, NULL))
|
---|
| 1114 | return FALSE;
|
---|
| 1115 | fputs(" = 0;\n\n", state->file);
|
---|
| 1116 |
|
---|
| 1117 | return TRUE;
|
---|
| 1118 | }
|
---|
| 1119 |
|
---|
| 1120 | static void
|
---|
| 1121 | write_codefrag_line(gpointer data, gpointer user_data)
|
---|
| 1122 | {
|
---|
| 1123 | TreeState *state = (TreeState *)user_data;
|
---|
| 1124 | const char *line = (const char *)data;
|
---|
| 1125 | fputs(line, state->file);
|
---|
| 1126 | fputc('\n', state->file);
|
---|
| 1127 | }
|
---|
| 1128 |
|
---|
| 1129 | static gboolean
|
---|
| 1130 | codefrag(TreeState *state)
|
---|
| 1131 | {
|
---|
| 1132 | const char *desc = IDL_CODEFRAG(state->tree).desc;
|
---|
| 1133 | GSList *lines = IDL_CODEFRAG(state->tree).lines;
|
---|
| 1134 | guint fragment_length;
|
---|
| 1135 |
|
---|
| 1136 | if (strcmp(desc, "C++") && /* libIDL bug? */ strcmp(desc, "C++\r")) {
|
---|
| 1137 | XPIDL_WARNING((state->tree, IDL_WARNING1,
|
---|
| 1138 | "ignoring '%%{%s' escape. "
|
---|
| 1139 | "(Use '%%{C++' to escape verbatim C++ code.)", desc));
|
---|
| 1140 |
|
---|
| 1141 | return TRUE;
|
---|
| 1142 | }
|
---|
| 1143 |
|
---|
| 1144 | /*
|
---|
| 1145 | * Emit #file directive to point debuggers back to the original .idl file
|
---|
| 1146 | * for the duration of the code fragment. We look at internal IDL node
|
---|
| 1147 | * properties _file, _line to do this; hopefully they won't change.
|
---|
| 1148 | *
|
---|
| 1149 | * _line seems to refer to the line immediately after the closing %}, so
|
---|
| 1150 | * we backtrack to get the proper line for the beginning of the block.
|
---|
| 1151 | */
|
---|
| 1152 | /*
|
---|
| 1153 | * Looks like getting this right means maintaining an accurate line
|
---|
| 1154 | * count of everything generated, so we can set the file back to the
|
---|
| 1155 | * correct line in the generated file afterwards. Skipping for now...
|
---|
| 1156 | */
|
---|
| 1157 |
|
---|
| 1158 | fragment_length = g_slist_length(lines);
|
---|
| 1159 | /* fprintf(state->file, "#line %d \"%s\"\n", */
|
---|
| 1160 | /* state->tree->_line - fragment_length - 1, */
|
---|
| 1161 | /* state->tree->_file); */
|
---|
| 1162 |
|
---|
| 1163 | g_slist_foreach(lines, write_codefrag_line, (gpointer)state);
|
---|
| 1164 |
|
---|
| 1165 | return TRUE;
|
---|
| 1166 | }
|
---|
| 1167 |
|
---|
| 1168 | backend *
|
---|
| 1169 | xpidl_header_dispatch(void)
|
---|
| 1170 | {
|
---|
| 1171 | static backend result;
|
---|
| 1172 | static nodeHandler table[IDLN_LAST];
|
---|
| 1173 | static gboolean initialized = FALSE;
|
---|
| 1174 |
|
---|
| 1175 | result.emit_prolog = header_prolog;
|
---|
| 1176 | result.emit_epilog = header_epilog;
|
---|
| 1177 |
|
---|
| 1178 | if (!initialized) {
|
---|
| 1179 | table[IDLN_LIST] = list;
|
---|
| 1180 | table[IDLN_ATTR_DCL] = attr_dcl;
|
---|
| 1181 | table[IDLN_OP_DCL] = op_dcl;
|
---|
| 1182 | table[IDLN_FORWARD_DCL] = forward_dcl;
|
---|
| 1183 | table[IDLN_TYPE_ENUM] = do_enum;
|
---|
| 1184 | table[IDLN_INTERFACE] = interface;
|
---|
| 1185 | table[IDLN_CODEFRAG] = codefrag;
|
---|
| 1186 | table[IDLN_TYPE_DCL] = do_typedef;
|
---|
| 1187 | table[IDLN_CONST_DCL] = do_const_dcl;
|
---|
| 1188 | table[IDLN_NATIVE] = check_native;
|
---|
| 1189 | initialized = TRUE;
|
---|
| 1190 | }
|
---|
| 1191 |
|
---|
| 1192 | result.dispatch_table = table;
|
---|
| 1193 | return &result;
|
---|
| 1194 | }
|
---|