pjs/extensions/java/xpcom/tools/xpidl/xpidl_java.c

1022 строки
30 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Sun Microsystems, Inc.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Michael Allen (michael.allen@sun.com)
* Frank Mitchell (frank.mitchell@sun.com)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* Generate Java interfaces from XPIDL.
*/
#include "xpidl.h"
#include <ctype.h>
#include <glib.h>
#ifdef XP_WIN
#include "windef.h"
#define PATH_MAX MAX_PATH
#endif
static char* subscriptIdentifier(TreeState *state, char *str);
/*
struct java_priv_data {
GHashTable *typedefTable;
};
*/
static char* javaKeywords[] = {
"abstract", "default", "if" , "private" , "this" ,
"boolean" , "do" , "implements", "protected" , "throw" ,
"break" , "double" , "import", "public" , "throws" ,
"byte" , "else" , "instanceof", "return" , "transient",
"case" , "extends", "int" , "short" , "try" ,
"catch" , "final" , "interface" , "static" , "void" ,
"char" , "finally", "long" , "strictfp" , "volatile" ,
"class" , "float" , "native" , "super" , "while" ,
"const" , "for" , "new" , "switch" , "assert" ,
"continue", "goto" , "package" , "synchronized",
"clone" , /* clone is a member function of java.lang.Object */
"finalize" /* finalize is a member function of java.lang.Object */};
#define TYPEDEFS(state) (((struct java_priv_data *)state->priv)->typedefTable)
#define PRIVDATA(state) (((struct java_priv_data *)state->priv))
#define KEYWORDS(state) (((struct java_priv_data *)state->priv)->keywords)
static gboolean
write_classname_iid_define(FILE *file, const char *className)
{
const char *iidName;
if (className[0] == 'n' && className[1] == 's') {
/* backcompat naming styles */
fputs("NS_", file);
iidName = className + 2;
} else {
iidName = className;
}
while (*iidName) {
fputc(toupper(*iidName++), file);
}
fputs("_IID", file);
return TRUE;
}
static gboolean
java_prolog(TreeState *state)
{
int len, i;
state->priv = calloc(1, sizeof(struct java_priv_data));
if (!state->priv)
return FALSE;
TYPEDEFS(state) = 0;
TYPEDEFS(state) = g_hash_table_new(g_str_hash, g_str_equal);
if (!TYPEDEFS(state)) {
/* XXX report error */
free(state->priv);
return FALSE;
}
KEYWORDS(state) = 0;
KEYWORDS(state) = g_hash_table_new(g_str_hash, g_str_equal);
if (!KEYWORDS(state)) {
g_hash_table_destroy(TYPEDEFS(state));
free(state->priv);
return FALSE;
}
len = sizeof(javaKeywords)/sizeof(*javaKeywords);
for (i = 0; i < len; i++) {
g_hash_table_insert(KEYWORDS(state),
javaKeywords[i],
javaKeywords[i]);
}
return TRUE;
}
static gboolean
java_epilog(TreeState *state)
{
/* points to other elements of the tree, so just destroy the table */
g_hash_table_destroy(TYPEDEFS(state));
g_hash_table_destroy(KEYWORDS(state));
free(state->priv);
state->priv = NULL;
return TRUE;
}
static gboolean
forward_declaration(TreeState *state)
{
/*
* Java doesn't need forward declarations unless the declared
* class resides in a different package.
*/
#if 0
IDL_tree iface = state->tree;
const char *className = IDL_IDENT(IDL_FORWARD_DCL(iface).ident).str;
const char *pkgName = "org.mozilla.xpcom";
if (!className)
return FALSE;
/* XXX: Get package name and compare */
fprintf(state->file, "import %s.%s;\n", pkgName, className);
#endif
return TRUE;
}
static gboolean
interface_declaration(TreeState *state)
{
char outname[PATH_MAX];
char* p;
IDL_tree interface = state->tree;
IDL_tree iterator = NULL;
char *interface_name =
subscriptIdentifier(state, IDL_IDENT(IDL_INTERFACE(interface).ident).str);
const char *iid = NULL;
char iid_parsed[UUID_LENGTH];
if (!verify_interface_declaration(interface))
return FALSE;
/*
* Each interface decl is a single file
*/
p = strrchr(state->filename, '/');
if (p) {
strncpy(outname, state->filename, p + 1 - state->filename);
outname[p + 1 - state->filename] = '\0';
}
strcat(outname, interface_name);
strcat(outname, ".java");
state->file = fopen(outname, "w");
if (!state->file) {
perror("error opening output file");
return FALSE;
}
fputs("/*\n * ************* DO NOT EDIT THIS FILE ***********\n",
state->file);
fprintf(state->file,
" *\n * This file was automatically generated from %s.idl.\n",
state->basename);
fputs(" */\n\n", state->file);
if (state->package)
fprintf(state->file, "\npackage %s;\n\n", state->package);
if (!state->package || strcmp(state->package, "org.mozilla.xpcom") != 0)
fputs("import org.mozilla.xpcom.*;\n", state->file);
fputs("\n", state->file);
#ifndef LIBIDL_MAJOR_VERSION
iid = IDL_tree_property_get(interface, "uuid");
#else
iid = IDL_tree_property_get(IDL_INTERFACE(interface).ident, "uuid");
#endif
if (iid) {
struct nsID id;
/* Redundant, but a better error than 'cannot parse.' */
if (strlen(iid) != 36) {
IDL_tree_error(state->tree, "IID %s is the wrong length\n", iid);
return FALSE;
}
/*
* Parse uuid and then output resulting nsID to string, to validate
* uuid and normalize resulting .h files.
*/
if (!xpidl_parse_iid(&id, iid)) {
IDL_tree_error(state->tree, "cannot parse IID %s\n", iid);
return FALSE;
}
if (!xpidl_sprint_iid(&id, iid_parsed)) {
IDL_tree_error(state->tree, "error formatting IID %s\n", iid);
return FALSE;
}
} else {
IDL_tree_error(state->tree, "interface %s lacks a uuid attribute\n",
interface_name);
return FALSE;
}
/*
* Write out JavaDoc comment
*/
fprintf(state->file, "\n/**\n * Interface %s\n", interface_name);
if (iid != NULL) {
fprintf(state->file, " *\n * IID: 0x%s\n */\n\n", iid_parsed);
} else {
fputs(" */\n\n", state->file);
}
/*
* Write "public interface <foo>"
*/
fprintf(state->file, "public interface %s", interface_name);
/*
* Check for inheritence, and iterator over the inherited names,
* if any.
*/
if ((iterator = IDL_INTERFACE(interface).inheritance_spec)) {
fputs(" extends ", state->file);
do {
fprintf(state->file, "%s",
IDL_IDENT(IDL_LIST(iterator).data).str);
if (IDL_LIST(iterator).next) {
fputs(", ", state->file);
}
} while ((iterator = IDL_LIST(iterator).next));
}
fputs("\n{\n", state->file);
/*
* Write interface constants for IID
*/
if (iid) {
/* public static final String NS_ISUPPORTS_IID = "00000000-0000-0000-c000-000000000046" */
fputs(" public static final String ", state->file);
write_classname_iid_define(state->file, interface_name);
fprintf(state->file, " =\n \"{%s}\";\n\n", iid_parsed);
}
/*
* Advance the state of the tree, go on to process more
*/
state->tree = IDL_INTERFACE(interface).body;
PRIVDATA(state)->bCountingMethods = FALSE;
PRIVDATA(state)->numMethods = 0;
if (state->tree && !xpidl_process_node(state)) {
return FALSE;
}
fputs("\n}\n", state->file);
fprintf(state->file, "\n/*\n * end\n */\n");
fclose(state->file);
return TRUE;
}
static gboolean
process_list(TreeState *state)
{
IDL_tree iter;
for (iter = state->tree; iter; iter = IDL_LIST(iter).next) {
state->tree = IDL_LIST(iter).data;
if (!xpidl_process_node(state))
return FALSE;
}
return TRUE;
}
static gboolean
xpcom_to_java_type(TreeState *state, IDL_tree type)
{
IDL_tree real_type;
IDL_tree up;
if (!type) {
fputs("Object", state->file);
return TRUE;
}
/* Could be a typedef; try to map it to the real type */
real_type = find_underlying_type(type);
type = real_type ? real_type : type;
switch(IDL_NODE_TYPE(type)) {
case IDLN_TYPE_INTEGER: {
switch(IDL_TYPE_INTEGER(type).f_type) {
case IDL_INTEGER_TYPE_SHORT:
fputs("short", state->file);
break;
case IDL_INTEGER_TYPE_LONG:
fputs("int", state->file);
break;
case IDL_INTEGER_TYPE_LONGLONG:
fputs("long", state->file);
break;
default:
g_error(" Unknown integer type: %d\n",
IDL_TYPE_INTEGER(type).f_type);
return FALSE;
}
break;
}
case IDLN_TYPE_CHAR:
case IDLN_TYPE_WIDE_CHAR:
fputs("char", state->file);
break;
case IDLN_TYPE_WIDE_STRING:
case IDLN_TYPE_STRING:
fputs("String", state->file);
break;
case IDLN_TYPE_BOOLEAN:
fputs("boolean", state->file);
break;
case IDLN_TYPE_OCTET:
fputs("byte", state->file);
break;
case IDLN_TYPE_FLOAT:
switch(IDL_TYPE_FLOAT(type).f_type) {
case IDL_FLOAT_TYPE_FLOAT:
fputs("float", state->file);
break;
case IDL_FLOAT_TYPE_DOUBLE:
fputs("double", state->file);
break;
default:
g_error(" Unknown floating point typ: %d\n",
IDL_NODE_TYPE(type));
break;
}
break;
case IDLN_IDENT:
if (!(up = IDL_NODE_UP(type))) {
IDL_tree_error(state->tree,
"ERROR: orphan ident %s in param list\n",
IDL_IDENT(state->tree).str);
return FALSE;
}
switch (IDL_NODE_TYPE(up)) {
case IDLN_FORWARD_DCL:
case IDLN_INTERFACE: {
char *className;
const char *iid_is;
handle_iid_is:
/* might get here via the goto, so re-check type */
if (IDL_NODE_TYPE(up) == IDLN_INTERFACE)
className = IDL_IDENT(IDL_INTERFACE(up).ident).str;
else if (IDL_NODE_TYPE(up) == IDLN_FORWARD_DCL)
className = IDL_IDENT(IDL_FORWARD_DCL(up).ident).str;
else
className = IDL_IDENT(IDL_NATIVE(up).ident).str;
iid_is = NULL;
if (IDL_NODE_TYPE(state->tree) == IDLN_PARAM_DCL) {
iid_is =
IDL_tree_property_get(IDL_PARAM_DCL(state->tree).simple_declarator,
"iid_is");
}
if (iid_is) {
fputs("nsISupports", state->file);
} else {
/* XXX How do we want to handle this? If it's an IDLN_INTERFACE,
* then we can just output the name of the class, since the IDL
* files exist for those classes. However, if it's an
* IDLN_FORWARD_DCL, some of those interfaces are not defined in
* IDL files, so we get an error when trying to compile the java
* files. So, for now, we just output them as the base iface
* (nsISupports).
*/
if (IDL_NODE_TYPE(up) == IDLN_FORWARD_DCL)
fputs("nsISupports", state->file);
else
fprintf(state->file, "%s", className);
}
break;
}
case IDLN_NATIVE: {
char *ident;
/* jband - adding goto for iid_is when type is native */
if (IDL_NODE_TYPE(state->tree) == IDLN_PARAM_DCL &&
IDL_tree_property_get(IDL_PARAM_DCL(state->tree).simple_declarator,
"iid_is"))
{
goto handle_iid_is;
/* fputs("nsISupports", state->file); */
break;
}
ident = IDL_IDENT(type).str;
if (IDL_tree_property_get(type, "nsid")) {
fputs("String", state->file);
} else if (IDL_tree_property_get(type, "domstring")) {
fputs("String", state->file);
} else if (IDL_tree_property_get(type, "astring")) {
fputs("String", state->file);
} else if (IDL_tree_property_get(type, "utf8string")) {
fputs("String", state->file);
} else if (IDL_tree_property_get(type, "cstring")) {
fputs("String", state->file);
} else {
const char* user_type = IDL_NATIVE(IDL_NODE_UP(type)).user_type;
IDL_tree real_type =
g_hash_table_lookup(TYPEDEFS(state), user_type);
if (real_type) {
return xpcom_to_java_type(state, real_type);
} else {
if (strcmp(user_type, "PRInt8") == 0 ||
strcmp(user_type, "PRUint8") == 0) {
fputs("byte", state->file);
} else if (strcmp(user_type, "PRInt16") == 0 ||
strcmp(user_type, "PRUint16") == 0) {
fputs("short", state->file);
} else if (strcmp(user_type, "PRInt32") == 0 ||
strcmp(user_type, "PRUint32") == 0 ||
strcmp(user_type, "int") == 0) {
fputs("int", state->file);
} else if (strcmp(user_type, "PRInt64") == 0 ||
strcmp(user_type, "PRUint64") == 0) {
fputs("long", state->file);
} else if (strcmp(user_type, "PRBool") == 0) {
fputs("boolean", state->file);
} else if (strncmp(user_type, "char", 4) == 0 ||
strncmp(user_type, "const char", 10) == 0 ||
strncmp(user_type, "unsigned char", 13) == 0) {
if (IDL_tree_property_get(type, "ptr")) {
fputs("byte[]", state->file);
} else {
fputs("char", state->file);
}
} else if (strcmp(user_type, "nsIID") == 0) {
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;
}