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
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
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
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_type (TreeState *state)
{
IDL_tree real_type;
if (!state->tree) {
fputs("Object", FILENAME(state));
return TRUE;
}
/* Could be a typedef; try to map it to the real type */
real_type = find_underlying_type(state->tree);
state->tree = real_type ? real_type : state->tree;
switch(IDL_NODE_TYPE(state->tree)) {
case IDLN_TYPE_INTEGER: {
switch(IDL_TYPE_INTEGER(state->tree).f_type) {
case IDL_INTEGER_TYPE_SHORT:
fputs("short", FILENAME(state));
break;
case IDL_INTEGER_TYPE_LONG:
fputs("int", FILENAME(state));
break;
case IDL_INTEGER_TYPE_LONGLONG:
fputs("long", FILENAME(state));
break;
default:
g_error(" Unknown integer type: %d\n",
IDL_TYPE_INTEGER(state->tree).f_type);
return FALSE;
}
break;
}
case IDLN_TYPE_CHAR:
case IDLN_TYPE_WIDE_CHAR:
fputs("char", FILENAME(state));
break;
case IDLN_TYPE_WIDE_STRING:
case IDLN_TYPE_STRING:
fputs("String", FILENAME(state));
break;
case IDLN_TYPE_BOOLEAN:
fputs("boolean", FILENAME(state));
break;
case IDLN_TYPE_OCTET:
fputs("byte", FILENAME(state));
break;
case IDLN_TYPE_FLOAT:
switch(IDL_TYPE_FLOAT(state->tree).f_type) {
case IDL_FLOAT_TYPE_FLOAT:
fputs("float", FILENAME(state));
break;
case IDL_FLOAT_TYPE_DOUBLE:
fputs("double", FILENAME(state));
break;
default:
g_error(" Unknown floating point typ: %d\n",
IDL_NODE_TYPE(state->tree));
break;
}
break;
case IDLN_IDENT:
if (IDL_NODE_UP(state->tree) &&
IDL_NODE_TYPE(IDL_NODE_UP(state->tree)) == IDLN_NATIVE) {
const char *user_type = IDL_NATIVE(IDL_NODE_UP(state->tree)).user_type;
const char *ident_str = IDL_IDENT(IDL_NATIVE(IDL_NODE_UP(state->tree)).ident).str;
if (strcmp(user_type, "void") == 0) { /*it should not happend for scriptable methods*/
fputs("Object", FILENAME(state));
}
/* XXX: s.b test for "id" attribute */
/* XXX: special class for nsIDs */
else if (strcmp(user_type, "nsID") == 0) {
fputs("ID", FILENAME(state));
} else if (strcmp(user_type, "nsIID") == 0) {
fputs("IID", FILENAME(state));
} else if (strcmp(user_type, "nsCID") == 0) {
fputs("CID", FILENAME(state));
}
else {
/* XXX: special class for opaque types */
/*it should not happend for scriptable methods*/
fputs("OpaqueValue", FILENAME(state));
}
} else {
const char *ident_str = IDL_IDENT(state->tree).str;
/* XXX: big kludge; s.b. way to match to typedefs */
if (strcmp(ident_str, "PRInt8") == 0 ||
strcmp(ident_str, "PRUint8") == 0) {
fputs("byte", FILENAME(state));
}
else if (strcmp(ident_str, "PRInt16") == 0 ||
strcmp(ident_str, "PRUint16") == 0) {
fputs("short", FILENAME(state));
}
else if (strcmp(ident_str, "PRInt32") == 0 ||
strcmp(ident_str, "PRUint32") == 0) {
fputs("int", FILENAME(state));
}
else if (strcmp(ident_str, "PRInt64") == 0 ||
strcmp(ident_str, "PRUint64") == 0) {
fputs("long", FILENAME(state));
}
else if (strcmp(ident_str, "PRBool") == 0) {
fputs("boolean", FILENAME(state));
}
else if (strcmp(ident_str, "nsrefcnt") == 0) {
fputs("int", FILENAME(state));
}
else {
IDL_tree real_type =
g_hash_table_lookup(TYPEDEFS(state), ident_str);
if (real_type) {
IDL_tree orig_tree = state->tree;
state->tree = real_type;
xpcom_to_java_type(state);
state->tree = orig_tree;
}
else {
fputs(subscriptIdentifier(state, (char*) ident_str), FILENAME(state));
}
}
}
break;
case IDLN_TYPE_ENUM:
case IDLN_TYPE_OBJECT:
default:
g_error(" Unknown type: %d\n",
IDL_TYPE_FLOAT(state->tree).f_type);
break;
}
return TRUE;
}
