зеркало из https://github.com/mozilla/pjs.git
1022 строки
30 KiB
C
1022 строки
30 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Sun Microsystems, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Michael Allen (michael.allen@sun.com)
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* Frank Mitchell (frank.mitchell@sun.com)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* Generate Java interfaces from XPIDL.
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*/
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#include "xpidl.h"
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#include <ctype.h>
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#include <glib.h>
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#ifdef XP_WIN
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#include "windef.h"
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#define PATH_MAX MAX_PATH
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#endif
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static char* subscriptIdentifier(TreeState *state, char *str);
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/*
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struct java_priv_data {
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GHashTable *typedefTable;
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};
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*/
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static char* javaKeywords[] = {
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"abstract", "default", "if" , "private" , "this" ,
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"boolean" , "do" , "implements", "protected" , "throw" ,
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"break" , "double" , "import", "public" , "throws" ,
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"byte" , "else" , "instanceof", "return" , "transient",
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"case" , "extends", "int" , "short" , "try" ,
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"catch" , "final" , "interface" , "static" , "void" ,
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"char" , "finally", "long" , "strictfp" , "volatile" ,
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"class" , "float" , "native" , "super" , "while" ,
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"const" , "for" , "new" , "switch" , "assert" ,
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"continue", "goto" , "package" , "synchronized",
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"clone" , /* clone is a member function of java.lang.Object */
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"finalize" /* finalize is a member function of java.lang.Object */};
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#define TYPEDEFS(state) (((struct java_priv_data *)state->priv)->typedefTable)
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#define PRIVDATA(state) (((struct java_priv_data *)state->priv))
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#define KEYWORDS(state) (((struct java_priv_data *)state->priv)->keywords)
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static gboolean
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write_classname_iid_define(FILE *file, const char *className)
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{
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const char *iidName;
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if (className[0] == 'n' && className[1] == 's') {
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/* backcompat naming styles */
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fputs("NS_", file);
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iidName = className + 2;
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} else {
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iidName = className;
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}
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while (*iidName) {
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fputc(toupper(*iidName++), file);
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}
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fputs("_IID", file);
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return TRUE;
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}
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static gboolean
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java_prolog(TreeState *state)
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{
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int len, i;
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state->priv = calloc(1, sizeof(struct java_priv_data));
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if (!state->priv)
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return FALSE;
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TYPEDEFS(state) = 0;
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TYPEDEFS(state) = g_hash_table_new(g_str_hash, g_str_equal);
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if (!TYPEDEFS(state)) {
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/* XXX report error */
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free(state->priv);
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return FALSE;
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}
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KEYWORDS(state) = 0;
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KEYWORDS(state) = g_hash_table_new(g_str_hash, g_str_equal);
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if (!KEYWORDS(state)) {
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g_hash_table_destroy(TYPEDEFS(state));
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free(state->priv);
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return FALSE;
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}
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len = sizeof(javaKeywords)/sizeof(*javaKeywords);
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for (i = 0; i < len; i++) {
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g_hash_table_insert(KEYWORDS(state),
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javaKeywords[i],
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javaKeywords[i]);
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}
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return TRUE;
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}
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static gboolean
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java_epilog(TreeState *state)
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{
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/* points to other elements of the tree, so just destroy the table */
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g_hash_table_destroy(TYPEDEFS(state));
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g_hash_table_destroy(KEYWORDS(state));
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free(state->priv);
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state->priv = NULL;
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return TRUE;
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}
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static gboolean
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forward_declaration(TreeState *state)
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{
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/*
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* Java doesn't need forward declarations unless the declared
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* class resides in a different package.
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*/
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#if 0
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IDL_tree iface = state->tree;
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const char *className = IDL_IDENT(IDL_FORWARD_DCL(iface).ident).str;
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const char *pkgName = "org.mozilla.xpcom";
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if (!className)
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return FALSE;
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/* XXX: Get package name and compare */
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fprintf(state->file, "import %s.%s;\n", pkgName, className);
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#endif
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return TRUE;
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}
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static gboolean
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interface_declaration(TreeState *state)
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{
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char outname[PATH_MAX];
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char* p;
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IDL_tree interface = state->tree;
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IDL_tree iterator = NULL;
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char *interface_name =
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subscriptIdentifier(state, IDL_IDENT(IDL_INTERFACE(interface).ident).str);
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const char *iid = NULL;
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char iid_parsed[UUID_LENGTH];
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if (!verify_interface_declaration(interface))
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return FALSE;
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/*
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* Each interface decl is a single file
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*/
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p = strrchr(state->filename, '/');
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if (p) {
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strncpy(outname, state->filename, p + 1 - state->filename);
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outname[p + 1 - state->filename] = '\0';
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}
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strcat(outname, interface_name);
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strcat(outname, ".java");
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state->file = fopen(outname, "w");
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if (!state->file) {
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perror("error opening output file");
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return FALSE;
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}
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fputs("/*\n * ************* DO NOT EDIT THIS FILE ***********\n",
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state->file);
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fprintf(state->file,
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" *\n * This file was automatically generated from %s.idl.\n",
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state->basename);
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fputs(" */\n\n", state->file);
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if (state->package)
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fprintf(state->file, "\npackage %s;\n\n", state->package);
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if (!state->package || strcmp(state->package, "org.mozilla.xpcom") != 0)
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fputs("import org.mozilla.xpcom.*;\n", state->file);
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fputs("\n", state->file);
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#ifndef LIBIDL_MAJOR_VERSION
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iid = IDL_tree_property_get(interface, "uuid");
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#else
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iid = IDL_tree_property_get(IDL_INTERFACE(interface).ident, "uuid");
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#endif
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if (iid) {
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struct nsID id;
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/* Redundant, but a better error than 'cannot parse.' */
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if (strlen(iid) != 36) {
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IDL_tree_error(state->tree, "IID %s is the wrong length\n", iid);
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return FALSE;
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}
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/*
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* Parse uuid and then output resulting nsID to string, to validate
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* uuid and normalize resulting .h files.
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*/
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if (!xpidl_parse_iid(&id, iid)) {
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IDL_tree_error(state->tree, "cannot parse IID %s\n", iid);
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return FALSE;
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}
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if (!xpidl_sprint_iid(&id, iid_parsed)) {
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IDL_tree_error(state->tree, "error formatting IID %s\n", iid);
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return FALSE;
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}
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} else {
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IDL_tree_error(state->tree, "interface %s lacks a uuid attribute\n",
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interface_name);
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return FALSE;
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}
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/*
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* Write out JavaDoc comment
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*/
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fprintf(state->file, "\n/**\n * Interface %s\n", interface_name);
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if (iid != NULL) {
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fprintf(state->file, " *\n * IID: 0x%s\n */\n\n", iid_parsed);
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} else {
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fputs(" */\n\n", state->file);
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}
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/*
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* Write "public interface <foo>"
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*/
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fprintf(state->file, "public interface %s", interface_name);
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/*
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* Check for inheritence, and iterator over the inherited names,
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* if any.
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*/
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if ((iterator = IDL_INTERFACE(interface).inheritance_spec)) {
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fputs(" extends ", state->file);
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do {
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fprintf(state->file, "%s",
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IDL_IDENT(IDL_LIST(iterator).data).str);
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if (IDL_LIST(iterator).next) {
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fputs(", ", state->file);
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}
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} while ((iterator = IDL_LIST(iterator).next));
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}
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fputs("\n{\n", state->file);
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/*
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* Write interface constants for IID
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*/
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if (iid) {
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/* public static final String NS_ISUPPORTS_IID = "00000000-0000-0000-c000-000000000046" */
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fputs(" public static final String ", state->file);
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write_classname_iid_define(state->file, interface_name);
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fprintf(state->file, " =\n \"{%s}\";\n\n", iid_parsed);
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}
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/*
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* Advance the state of the tree, go on to process more
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*/
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state->tree = IDL_INTERFACE(interface).body;
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PRIVDATA(state)->bCountingMethods = FALSE;
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PRIVDATA(state)->numMethods = 0;
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if (state->tree && !xpidl_process_node(state)) {
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return FALSE;
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}
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fputs("\n}\n", state->file);
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fprintf(state->file, "\n/*\n * end\n */\n");
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fclose(state->file);
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return TRUE;
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}
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static gboolean
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process_list(TreeState *state)
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{
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IDL_tree iter;
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for (iter = state->tree; iter; iter = IDL_LIST(iter).next) {
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state->tree = IDL_LIST(iter).data;
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if (!xpidl_process_node(state))
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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xpcom_to_java_type(TreeState *state, IDL_tree type)
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{
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IDL_tree real_type;
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IDL_tree up;
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if (!type) {
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fputs("Object", state->file);
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return TRUE;
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}
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/* Could be a typedef; try to map it to the real type */
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real_type = find_underlying_type(type);
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type = real_type ? real_type : type;
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switch(IDL_NODE_TYPE(type)) {
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case IDLN_TYPE_INTEGER: {
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switch(IDL_TYPE_INTEGER(type).f_type) {
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case IDL_INTEGER_TYPE_SHORT:
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fputs("short", state->file);
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break;
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case IDL_INTEGER_TYPE_LONG:
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fputs("int", state->file);
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break;
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case IDL_INTEGER_TYPE_LONGLONG:
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fputs("long", state->file);
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break;
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default:
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g_error(" Unknown integer type: %d\n",
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IDL_TYPE_INTEGER(type).f_type);
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return FALSE;
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}
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break;
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}
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case IDLN_TYPE_CHAR:
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case IDLN_TYPE_WIDE_CHAR:
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fputs("char", state->file);
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break;
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case IDLN_TYPE_WIDE_STRING:
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case IDLN_TYPE_STRING:
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fputs("String", state->file);
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break;
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case IDLN_TYPE_BOOLEAN:
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fputs("boolean", state->file);
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break;
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case IDLN_TYPE_OCTET:
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fputs("byte", state->file);
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break;
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case IDLN_TYPE_FLOAT:
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switch(IDL_TYPE_FLOAT(type).f_type) {
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case IDL_FLOAT_TYPE_FLOAT:
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fputs("float", state->file);
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break;
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case IDL_FLOAT_TYPE_DOUBLE:
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fputs("double", state->file);
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break;
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default:
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g_error(" Unknown floating point typ: %d\n",
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IDL_NODE_TYPE(type));
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break;
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}
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break;
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case IDLN_IDENT:
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if (!(up = IDL_NODE_UP(type))) {
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IDL_tree_error(state->tree,
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"ERROR: orphan ident %s in param list\n",
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IDL_IDENT(state->tree).str);
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return FALSE;
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}
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switch (IDL_NODE_TYPE(up)) {
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case IDLN_FORWARD_DCL:
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case IDLN_INTERFACE: {
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char *className;
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const char *iid_is;
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handle_iid_is:
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/* might get here via the goto, so re-check type */
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if (IDL_NODE_TYPE(up) == IDLN_INTERFACE)
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className = IDL_IDENT(IDL_INTERFACE(up).ident).str;
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else if (IDL_NODE_TYPE(up) == IDLN_FORWARD_DCL)
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className = IDL_IDENT(IDL_FORWARD_DCL(up).ident).str;
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else
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className = IDL_IDENT(IDL_NATIVE(up).ident).str;
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iid_is = NULL;
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if (IDL_NODE_TYPE(state->tree) == IDLN_PARAM_DCL) {
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iid_is =
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IDL_tree_property_get(IDL_PARAM_DCL(state->tree).simple_declarator,
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"iid_is");
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}
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if (iid_is) {
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fputs("nsISupports", state->file);
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} else {
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/* XXX How do we want to handle this? If it's an IDLN_INTERFACE,
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* then we can just output the name of the class, since the IDL
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* files exist for those classes. However, if it's an
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* IDLN_FORWARD_DCL, some of those interfaces are not defined in
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* IDL files, so we get an error when trying to compile the java
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* files. So, for now, we just output them as the base iface
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* (nsISupports).
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*/
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if (IDL_NODE_TYPE(up) == IDLN_FORWARD_DCL)
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fputs("nsISupports", state->file);
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else
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fprintf(state->file, "%s", className);
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}
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break;
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}
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case IDLN_NATIVE: {
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char *ident;
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/* jband - adding goto for iid_is when type is native */
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if (IDL_NODE_TYPE(state->tree) == IDLN_PARAM_DCL &&
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IDL_tree_property_get(IDL_PARAM_DCL(state->tree).simple_declarator,
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"iid_is"))
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{
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goto handle_iid_is;
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/* fputs("nsISupports", state->file); */
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break;
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}
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ident = IDL_IDENT(type).str;
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if (IDL_tree_property_get(type, "nsid")) {
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fputs("String", state->file);
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} else if (IDL_tree_property_get(type, "domstring")) {
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fputs("String", state->file);
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} else if (IDL_tree_property_get(type, "astring")) {
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fputs("String", state->file);
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} else if (IDL_tree_property_get(type, "utf8string")) {
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fputs("String", state->file);
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} else if (IDL_tree_property_get(type, "cstring")) {
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fputs("String", state->file);
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} else {
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const char* user_type = IDL_NATIVE(IDL_NODE_UP(type)).user_type;
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IDL_tree real_type =
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g_hash_table_lookup(TYPEDEFS(state), user_type);
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if (real_type) {
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return xpcom_to_java_type(state, real_type);
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} else {
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if (strcmp(user_type, "PRInt8") == 0 ||
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strcmp(user_type, "PRUint8") == 0) {
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fputs("byte", state->file);
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} else if (strcmp(user_type, "PRInt16") == 0 ||
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strcmp(user_type, "PRUint16") == 0) {
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fputs("short", state->file);
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} else if (strcmp(user_type, "PRInt32") == 0 ||
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strcmp(user_type, "PRUint32") == 0 ||
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strcmp(user_type, "int") == 0) {
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fputs("int", state->file);
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} else if (strcmp(user_type, "PRInt64") == 0 ||
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strcmp(user_type, "PRUint64") == 0) {
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fputs("long", state->file);
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} else if (strcmp(user_type, "PRBool") == 0) {
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fputs("boolean", state->file);
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} else if (strncmp(user_type, "char", 4) == 0 ||
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strncmp(user_type, "const char", 10) == 0 ||
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strncmp(user_type, "unsigned char", 13) == 0) {
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if (IDL_tree_property_get(type, "ptr")) {
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fputs("byte[]", state->file);
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} else {
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fputs("char", state->file);
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}
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} else if (strcmp(user_type, "nsIID") == 0) {
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fputs("String", state->file);
|
|
} else if (strcmp(user_type, "nsString") == 0 ||
|
|
strcmp(user_type, "nsAString") == 0 ||
|
|
strcmp(user_type, "nsACString") == 0) {
|
|
fputs("String", state->file);
|
|
} else {
|
|
fputs("int", state->file);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
if (IDL_NODE_TYPE(IDL_NODE_UP(up)) == IDLN_TYPE_DCL) {
|
|
/* restart with the underlying type */
|
|
IDL_tree new_type;
|
|
new_type = IDL_TYPE_DCL(IDL_NODE_UP(up)).type_spec;
|
|
if (new_type) {
|
|
gboolean rc = xpcom_to_java_type(state, new_type);
|
|
return rc;
|
|
} else {
|
|
/* do what we would do in recursion if !type */
|
|
fputs("Object", state->file);
|
|
return TRUE;
|
|
}
|
|
}
|
|
IDL_tree_error(state->tree,
|
|
"can't handle %s ident in param list\n",
|
|
"that type of"
|
|
);
|
|
return FALSE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
IDL_tree_error(state->tree, "can't handle %s in param list\n",
|
|
#ifdef DEBUG_shaver
|
|
/* XXX is this safe to use on Win now? */
|
|
IDL_NODE_TYPE_NAME(IDL_NODE_UP(type))
|
|
#else
|
|
"that type"
|
|
#endif
|
|
);
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
static gboolean
|
|
xpcom_to_java_param(TreeState *state)
|
|
{
|
|
IDL_tree param = state->tree;
|
|
|
|
/*
|
|
* Put in type of parameter
|
|
*/
|
|
|
|
if (!xpcom_to_java_type(state, IDL_PARAM_DCL(param).param_type_spec)) {
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* If the parameter is out or inout, make it a Java array of the
|
|
* appropriate type
|
|
*/
|
|
|
|
if (IDL_PARAM_DCL(param).attr != IDL_PARAM_IN) {
|
|
fputs("[]", state->file);
|
|
}
|
|
|
|
/*
|
|
* If the parameter is an array make it a Java array
|
|
*/
|
|
if (IDL_tree_property_get(IDL_PARAM_DCL(param).simple_declarator, "array"))
|
|
fputs("[]", state->file);
|
|
|
|
/*
|
|
* Put in name of parameter
|
|
*/
|
|
|
|
fputc(' ', state->file);
|
|
|
|
fputs(subscriptIdentifier(state,
|
|
IDL_IDENT(IDL_PARAM_DCL(param).simple_declarator).str),
|
|
state->file);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static gboolean
|
|
type_declaration(TreeState *state)
|
|
{
|
|
/*
|
|
* Unlike C, Java has no type declaration directive.
|
|
* Instead, we record the mapping, and look up the actual type
|
|
* when needed.
|
|
*/
|
|
IDL_tree type = IDL_TYPE_DCL(state->tree).type_spec;
|
|
IDL_tree dcls = IDL_TYPE_DCL(state->tree).dcls;
|
|
|
|
/* XXX: check for illegal types */
|
|
|
|
g_hash_table_insert(TYPEDEFS(state),
|
|
IDL_IDENT(IDL_LIST(dcls).data).str,
|
|
type);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
method_declaration(TreeState *state)
|
|
{
|
|
const char* array = NULL;
|
|
struct _IDL_OP_DCL *method = &IDL_OP_DCL(state->tree);
|
|
gboolean method_notxpcom =
|
|
(IDL_tree_property_get(method->ident, "notxpcom") != NULL);
|
|
gboolean method_noscript =
|
|
(IDL_tree_property_get(method->ident, "noscript") != NULL);
|
|
IDL_tree iterator = NULL;
|
|
IDL_tree retval_param = NULL;
|
|
char *method_name =
|
|
g_strdup_printf("%c%s",
|
|
tolower(IDL_IDENT(method->ident).str[0]),
|
|
IDL_IDENT(method->ident).str + 1);
|
|
|
|
if (!verify_method_declaration(state->tree))
|
|
return FALSE;
|
|
|
|
fputc('\n', state->file);
|
|
xpidl_write_comment(state, 4);
|
|
|
|
#if 1
|
|
/* do not write non-xpcom methods */
|
|
if (method_notxpcom) {
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Write beginning of method declaration
|
|
*/
|
|
fputs(" public ", state->file);
|
|
#else
|
|
/* do not write nonscriptable methods */
|
|
if (method_notxpcom || method_noscript) {
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Write beginning of method declaration
|
|
*/
|
|
fputs(" ", state->file);
|
|
if (!method_noscript) {
|
|
/* Nonscriptable methods become package-protected */
|
|
fputs("public ", state->file);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Write return type
|
|
* Unlike C++ headers, Java interfaces return the declared
|
|
* return value; an exception indicates XPCOM method failure.
|
|
*/
|
|
if (method->op_type_spec) {
|
|
state->tree = method->op_type_spec;
|
|
if (!xpcom_to_java_type(state, method->op_type_spec)) {
|
|
return FALSE;
|
|
}
|
|
} else {
|
|
/* Check for retval attribute */
|
|
for (iterator = method->parameter_dcls; iterator != NULL;
|
|
iterator = IDL_LIST(iterator).next) {
|
|
|
|
IDL_tree original_tree = state->tree;
|
|
|
|
state->tree = IDL_LIST(iterator).data;
|
|
|
|
if (IDL_tree_property_get(IDL_PARAM_DCL(state->tree).simple_declarator,
|
|
"retval")) {
|
|
retval_param = iterator;
|
|
|
|
array =
|
|
IDL_tree_property_get(IDL_PARAM_DCL(state->tree).simple_declarator,
|
|
"array");
|
|
|
|
/*
|
|
* Put in type of parameter
|
|
*/
|
|
if (!xpcom_to_java_type(state,
|
|
IDL_PARAM_DCL(state->tree).param_type_spec)) {
|
|
return FALSE;
|
|
}
|
|
if (array)
|
|
fputs("[]", state->file);
|
|
}
|
|
|
|
state->tree = original_tree;
|
|
}
|
|
|
|
if (retval_param == NULL) {
|
|
fputs("void", state->file);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Write method name
|
|
*/
|
|
fprintf(state->file, " %s(", subscriptIdentifier(state, method_name));
|
|
|
|
/*
|
|
* Write parameters
|
|
*/
|
|
for (iterator = method->parameter_dcls; iterator != NULL;
|
|
iterator = IDL_LIST(iterator).next) {
|
|
|
|
/* Skip "retval" */
|
|
if (iterator == retval_param) {
|
|
continue;
|
|
}
|
|
|
|
if (iterator != method->parameter_dcls) {
|
|
fputs(", ", state->file);
|
|
}
|
|
|
|
state->tree = IDL_LIST(iterator).data;
|
|
|
|
if (!xpcom_to_java_param(state)) {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
fputs(")", state->file);
|
|
|
|
/* XXX
|
|
Disable this for now. How do we specify exceptions?
|
|
if (method->raises_expr) {
|
|
IDL_tree iter = method->raises_expr;
|
|
IDL_tree dataNode = IDL_LIST(iter).data;
|
|
|
|
fputs(" throws ", state->file);
|
|
fputs(IDL_IDENT(dataNode).str, state->file);
|
|
iter = IDL_LIST(iter).next;
|
|
|
|
while (iter) {
|
|
dataNode = IDL_LIST(iter).data;
|
|
fprintf(state->file, ", %s", IDL_IDENT(dataNode).str);
|
|
iter = IDL_LIST(iter).next;
|
|
}
|
|
} */
|
|
|
|
fputs(";\n", state->file);
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
static gboolean
|
|
constant_declaration(TreeState *state)
|
|
{
|
|
/*
|
|
* The C++ header XPIDL module only allows for shorts and longs (ints)
|
|
* to be constants, so we will follow the same convention
|
|
*/
|
|
|
|
struct _IDL_CONST_DCL *declaration = &IDL_CONST_DCL(state->tree);
|
|
const char *name = IDL_IDENT(declaration->ident).str;
|
|
IDL_tree real_type;
|
|
|
|
gboolean success;
|
|
gboolean isshort = FALSE;
|
|
|
|
if (!verify_const_declaration(state->tree))
|
|
return FALSE;
|
|
|
|
/* Could be a typedef; try to map it to the real type. */
|
|
real_type = find_underlying_type(declaration->const_type);
|
|
real_type = real_type ? real_type : declaration->const_type;
|
|
|
|
/*
|
|
* Consts must be in an interface
|
|
*/
|
|
|
|
if (!IDL_NODE_UP(IDL_NODE_UP(state->tree)) ||
|
|
IDL_NODE_TYPE(IDL_NODE_UP(IDL_NODE_UP(state->tree))) !=
|
|
IDLN_INTERFACE) {
|
|
|
|
XPIDL_WARNING((state->tree, IDL_WARNING1,
|
|
"A constant \"%s\" was declared outside an interface."
|
|
" It was ignored.", name));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Make sure this is a numeric short or long constant.
|
|
*/
|
|
|
|
success = (IDLN_TYPE_INTEGER == IDL_NODE_TYPE(real_type));
|
|
|
|
if (success) {
|
|
/*
|
|
* We aren't successful yet, we know it's an integer, but what *kind*
|
|
* of integer?
|
|
*/
|
|
|
|
switch(IDL_TYPE_INTEGER(real_type).f_type) {
|
|
|
|
case IDL_INTEGER_TYPE_SHORT:
|
|
/*
|
|
* We're OK
|
|
*/
|
|
isshort = TRUE;
|
|
break;
|
|
|
|
case IDL_INTEGER_TYPE_LONG:
|
|
/*
|
|
* We're OK
|
|
*/
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
* Whoops, it's some other kind of number
|
|
*/
|
|
success = FALSE;
|
|
}
|
|
} else {
|
|
IDL_tree_error(state->tree,
|
|
"const declaration \'%s\' must be of type short or long",
|
|
name);
|
|
return FALSE;
|
|
}
|
|
|
|
/* if (doc_comments != NULL) {
|
|
fputs(" ", state->file);
|
|
printlist(state->file, doc_comments);
|
|
} */
|
|
|
|
if (success) {
|
|
/* Since Java does not have any concept of 'unsigned short', we need
|
|
* to check that the value is in the proper range. If not, promote
|
|
* it to an 'int'. */
|
|
int value = (int) IDL_INTEGER(declaration->const_exp).value;
|
|
if (isshort && (value < -32768 || value > 32767))
|
|
isshort = FALSE;
|
|
|
|
fputc('\n', state->file);
|
|
xpidl_write_comment(state, 4);
|
|
/* write_comment(state); */
|
|
|
|
fprintf(state->file, " public static final %s %s = %d;\n",
|
|
(isshort ? "short" : "int"),
|
|
subscriptIdentifier(state, (char*) name),
|
|
(int) IDL_INTEGER(declaration->const_exp).value);
|
|
} else {
|
|
XPIDL_WARNING((state->tree, IDL_WARNING1,
|
|
"A constant \"%s\" was not of type short or long."
|
|
" It was ignored.", name));
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
#define ATTR_IDENT(tree) (IDL_IDENT(IDL_LIST(IDL_ATTR_DCL((tree)).simple_declarations).data))
|
|
#define ATTR_PROPS(tree) (IDL_LIST(IDL_ATTR_DCL((tree)).simple_declarations).data)
|
|
#define ATTR_TYPE_DECL(tree) (IDL_ATTR_DCL((tree)).param_type_spec)
|
|
|
|
|
|
static gboolean
|
|
attribute_declaration(TreeState *state)
|
|
{
|
|
gboolean read_only = IDL_ATTR_DCL(state->tree).f_readonly;
|
|
char *attribute_name = ATTR_IDENT(state->tree).str;
|
|
|
|
gboolean method_noscript =
|
|
(IDL_tree_property_get(ATTR_PROPS(state->tree), "noscript") != NULL);
|
|
|
|
gboolean method_notxpcom =
|
|
(IDL_tree_property_get(ATTR_PROPS(state->tree), "notxpcom") != NULL);
|
|
|
|
#if 0
|
|
/*
|
|
* Disabled here because I can't verify this check against possible
|
|
* users of the java xpidl backend.
|
|
*/
|
|
if (!verify_attribute_declaration(state->tree))
|
|
return FALSE;
|
|
#endif
|
|
|
|
/* Comment */
|
|
fputc('\n', state->file);
|
|
xpidl_write_comment(state, 4);
|
|
|
|
#if 1
|
|
/*
|
|
* Write access permission ("public")
|
|
*/
|
|
fputs(" public ", state->file);
|
|
#else
|
|
if (method_notxpcom || method_noscript)
|
|
return TRUE;
|
|
|
|
/*
|
|
* Write access permission ("public" unless nonscriptable)
|
|
*/
|
|
fputs(" ", state->file);
|
|
if (!method_noscript) {
|
|
fputs("public ", state->file);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Write the proper Java return value for the get operation
|
|
*/
|
|
if (!xpcom_to_java_type(state, ATTR_TYPE_DECL(state->tree))) {
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Write the name of the accessor ("get") method.
|
|
*/
|
|
fprintf(state->file, " get%c%s();\n",
|
|
toupper(attribute_name[0]), attribute_name + 1);
|
|
|
|
|
|
if (!read_only) {
|
|
#if 1
|
|
fputs(" public ", state->file);
|
|
#else
|
|
/* Nonscriptable methods become package-protected */
|
|
fputs(" ", state->file);
|
|
if (!method_noscript) {
|
|
fputs("public ", state->file);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Write attribute access method name and return type
|
|
*/
|
|
fprintf(state->file, "void set%c%s(",
|
|
toupper(attribute_name[0]),
|
|
attribute_name+1);
|
|
|
|
/*
|
|
* Write the proper Java type for the set operation
|
|
*/
|
|
if (!xpcom_to_java_type(state, ATTR_TYPE_DECL(state->tree))) {
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Write the name of the formal parameter.
|
|
*/
|
|
fprintf(state->file, " a%c%s);\n", toupper(attribute_name[0]), attribute_name + 1);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static gboolean
|
|
enum_declaration(TreeState *state)
|
|
{
|
|
XPIDL_WARNING((state->tree, IDL_WARNING1,
|
|
"enums not supported, enum \'%s\' ignored",
|
|
IDL_IDENT(IDL_TYPE_ENUM(state->tree).ident).str));
|
|
return TRUE;
|
|
}
|
|
|
|
backend *
|
|
xpidl_java_dispatch(void)
|
|
{
|
|
static backend result;
|
|
static nodeHandler table[IDLN_LAST];
|
|
static gboolean initialized = FALSE;
|
|
|
|
result.emit_prolog = java_prolog;
|
|
result.emit_epilog = java_epilog;
|
|
|
|
if (!initialized) {
|
|
table[IDLN_INTERFACE] = interface_declaration;
|
|
table[IDLN_LIST] = process_list;
|
|
|
|
table[IDLN_OP_DCL] = method_declaration;
|
|
table[IDLN_ATTR_DCL] = attribute_declaration;
|
|
table[IDLN_CONST_DCL] = constant_declaration;
|
|
|
|
table[IDLN_TYPE_DCL] = type_declaration;
|
|
table[IDLN_FORWARD_DCL] = forward_declaration;
|
|
|
|
table[IDLN_TYPE_ENUM] = enum_declaration;
|
|
|
|
initialized = TRUE;
|
|
}
|
|
|
|
result.dispatch_table = table;
|
|
return &result;
|
|
}
|
|
|
|
char* subscriptIdentifier(TreeState *state, char *str)
|
|
{
|
|
char *sstr = NULL;
|
|
char *keyword = g_hash_table_lookup(KEYWORDS(state), str);
|
|
if (keyword) {
|
|
sstr = g_strdup_printf("%s_", keyword);
|
|
return sstr;
|
|
}
|
|
return str;
|
|
}
|
|
|