/*
* Common method verification code, called by *op_dcl in the various backends.
*/
gboolean
verify_method_declaration(IDL_tree method_tree)
{
struct _IDL_OP_DCL *op = &IDL_OP_DCL(method_tree);
IDL_tree iface;
IDL_tree iter;
gboolean notxpcom;
gboolean scriptable_interface;
gboolean scriptable_method;
gboolean seen_retval = FALSE;
const char *method_name = IDL_IDENT(IDL_OP_DCL(method_tree).ident).str;
/* We don't support attributes named IID, conflicts with static GetIID
* member. The conflict is due to certain compilers (VC++) choosing a
* different vtable order, placing GetIID at the beginning regardless
* of it's placement
*/
if (strcmp(method_name, "GetIID") == 0) {
IDL_tree_error(method_tree,
"Methods named GetIID not supported, causes vtable "
"ordering problems");
return FALSE;
}
if (op->f_varargs) {
/* We don't currently support varargs. */
IDL_tree_error(method_tree, "varargs are not currently supported");
return FALSE;
}
/*
* Verify that we've been called on an interface, and decide if the
* interface was marked [scriptable].
*/
if (IDL_NODE_UP(method_tree) && IDL_NODE_UP(IDL_NODE_UP(method_tree)) &&
IDL_NODE_TYPE(iface = IDL_NODE_UP(IDL_NODE_UP(method_tree)))
== IDLN_INTERFACE)
{
scriptable_interface =
(IDL_tree_property_get(IDL_INTERFACE(iface).ident, "scriptable")
!= NULL);
} else {
IDL_tree_error(method_tree,
"verify_method_declaration called on a non-interface?");
return FALSE;
}
/*
* Require that any method in an interface marked as [scriptable], that
* *isn't* scriptable because it refers to some native type, be marked
* [noscript] or [notxpcom].
*
* Also check that iid_is points to nsid, and length_is, size_is points
* to unsigned long.
*/
notxpcom = IDL_tree_property_get(op->ident, "notxpcom") != NULL;
scriptable_method = scriptable_interface &&
!notxpcom &&
IDL_tree_property_get(op->ident, "noscript") == NULL;
/* Loop through the parameters and check. */
for (iter = op->parameter_dcls; iter; iter = IDL_LIST(iter).next) {
IDL_tree param = IDL_LIST(iter).data;
IDL_tree param_type =
IDL_PARAM_DCL(param).param_type_spec;
IDL_tree simple_decl =
IDL_PARAM_DCL(param).simple_declarator;
const char *param_name = IDL_IDENT(simple_decl).str;
/*
* Reject this method if it should be scriptable and some parameter is
* native that isn't marked with either nsid, domstring, utf8string,
* cstring, astring or iid_is.
*/
if (scriptable_method &&
UP_IS_NATIVE(param_type) &&
IDL_tree_property_get(param_type, "nsid") == NULL &&
IDL_tree_property_get(simple_decl, "iid_is") == NULL &&
IDL_tree_property_get(param_type, "domstring") == NULL &&
IDL_tree_property_get(param_type, "utf8string") == NULL &&
IDL_tree_property_get(param_type, "cstring") == NULL &&
IDL_tree_property_get(param_type, "astring") == NULL)
{
IDL_tree_error(method_tree,
"methods in [scriptable] interfaces that are "
"non-scriptable because they refer to native "
"types (parameter \"%s\") must be marked "
"[noscript]", param_name);
return FALSE;
}
/*
* nsid's parameters that aren't ptr's or ref's are not currently
* supported in xpcom or non-xpcom (marked with [notxpcom]) methods
* as input parameters
*/
if (!(notxpcom && IDL_PARAM_DCL(param).attr != IDL_PARAM_IN) &&
IDL_tree_property_get(param_type, "nsid") != NULL &&
IDL_tree_property_get(param_type, "ptr") == NULL &&
IDL_tree_property_get(param_type, "ref") == NULL)
{
IDL_tree_error(method_tree,
"Feature currently not supported: "
"parameter \"%s\" is of type nsid and "
"must be marked either [ptr] or [ref] "
"or method \"%s\" must be marked [notxpcom] "
"and must not be an input parameter",
param_name,
method_name);
return FALSE;
}
/*
* Sanity checks on return values.
*/
if (IDL_tree_property_get(simple_decl, "retval") != NULL) {
if (IDL_LIST(iter).next != NULL) {
IDL_tree_error(method_tree,
"only the last parameter can be marked [retval]");
return FALSE;
}
if (op->op_type_spec) {
IDL_tree_error(method_tree,
"can't have [retval] with non-void return type");
return FALSE;
}
/* In case XPConnect relaxes the retval-is-last restriction. */
if (seen_retval) {
IDL_tree_error(method_tree,
"can't have more than one [retval] parameter");
return FALSE;
}
seen_retval = TRUE;
}
/*
* Confirm that [shared] attributes are only used with string, wstring,
* or native (but not nsid, domstring, utf8string, cstring or astring)
* and can't be used with [array].
*/
if (IDL_tree_property_get(simple_decl, "shared") != NULL) {
IDL_tree real_type;
real_type = find_underlying_type(param_type);
real_type = real_type ? real_type : param_type;
if (IDL_tree_property_get(simple_decl, "array") != NULL) {
IDL_tree_error(method_tree,
"[shared] parameter \"%s\" cannot "
"be of array type", param_name);
return FALSE;
}
if (!(IDL_NODE_TYPE(real_type) == IDLN_TYPE_STRING ||
IDL_NODE_TYPE(real_type) == IDLN_TYPE_WIDE_STRING ||
(UP_IS_NATIVE(real_type) &&
!IDL_tree_property_get(real_type, "nsid") &&
!IDL_tree_property_get(real_type, "domstring") &&
!IDL_tree_property_get(real_type, "utf8string") &&
!IDL_tree_property_get(real_type, "cstring") &&
!IDL_tree_property_get(real_type, "astring"))))
{
IDL_tree_error(method_tree,
"[shared] parameter \"%s\" must be of type "
"string, wstring or native", param_name);
return FALSE;
}
}
/*
* inout is not allowed with "domstring", "UTF8String", "CString"
* and "AString" types
*/
if (IDL_PARAM_DCL(param).attr == IDL_PARAM_INOUT &&
UP_IS_NATIVE(param_type) &&
(IDL_tree_property_get(param_type, "domstring") != NULL ||
IDL_tree_property_get(param_type, "utf8string") != NULL ||
IDL_tree_property_get(param_type, "cstring") != NULL ||
IDL_tree_property_get(param_type, "astring") != NULL )) {
IDL_tree_error(method_tree,
"[domstring], [utf8string], [cstring], [astring] "
"types cannot be used as inout parameters");
return FALSE;
}
/*
* arrays of domstring, utf8string, cstring, astring types not allowed
*/
if (IDL_tree_property_get(simple_decl, "array") != NULL &&
UP_IS_NATIVE(param_type) &&
(IDL_tree_property_get(param_type, "domstring") != NULL ||
IDL_tree_property_get(param_type, "utf8string") != NULL ||
IDL_tree_property_get(param_type, "cstring") != NULL ||
IDL_tree_property_get(param_type, "astring") != NULL)) {
IDL_tree_error(method_tree,
"[domstring], [utf8string], [cstring], [astring] "
"types cannot be used in array parameters");
return FALSE;
}
if (!check_param_attribute(method_tree, param, IID_IS) ||
!check_param_attribute(method_tree, param, LENGTH_IS) ||
!check_param_attribute(method_tree, param, SIZE_IS))
return FALSE;
/*
* Run additional error checks on the parameter type if targetting an
* older version of XPConnect.
*/
if (!verify_type_fits_version(param_type, method_tree))
return FALSE;
}
/* XXX q: can return type be nsid? */
/* Native return type? */
if (scriptable_method &&
op->op_type_spec != NULL && UP_IS_NATIVE(op->op_type_spec) &&
IDL_tree_property_get(op->op_type_spec, "nsid") == NULL &&
IDL_tree_property_get(op->op_type_spec, "domstring") == NULL &&
IDL_tree_property_get(op->op_type_spec, "utf8string") == NULL &&
IDL_tree_property_get(op->op_type_spec, "cstring") == NULL &&
IDL_tree_property_get(op->op_type_spec, "astring") == NULL)
{
IDL_tree_error(method_tree,
"methods in [scriptable] interfaces that are "
"non-scriptable because they return native "
"types must be marked [noscript]");
return FALSE;
}
/*
* nsid's parameters that aren't ptr's or ref's are not currently
* supported in xpcom
*/
if (!notxpcom &&
op->op_type_spec != NULL &&
IDL_tree_property_get(op->op_type_spec, "nsid") != NULL &&
IDL_tree_property_get(op->op_type_spec, "ptr") == NULL &&
IDL_tree_property_get(op->op_type_spec, "ref") == NULL)
{
IDL_tree_error(method_tree,
"Feature currently not supported: "
"return value is of type nsid and "
"must be marked either [ptr] or [ref], "
"or else method \"%s\" must be marked [notxpcom] ",
method_name);
return FALSE;
}
/*
* Run additional error checks on the return type if targetting an
* older version of XPConnect.
*/
if (op->op_type_spec != NULL &&
!verify_type_fits_version(op->op_type_spec, method_tree))
{
return FALSE;
}
return TRUE;
}
gboolean
verify_const_declaration(IDL_tree const_tree) {
struct _IDL_CONST_DCL *dcl = &IDL_CONST_DCL(const_tree);
const char *name = IDL_IDENT(dcl->ident).str;
IDL_tree real_type;
/* const -> list -> interface */
if (!IDL_NODE_UP(IDL_NODE_UP(const_tree)) ||
IDL_NODE_TYPE(IDL_NODE_UP(IDL_NODE_UP(const_tree)))
!= IDLN_INTERFACE) {
IDL_tree_error(const_tree,
"const declaration \'%s\' outside interface",
name);
return FALSE;
}
/* Could be a typedef; try to map it to the real type. */
real_type = find_underlying_type(dcl->const_type);
real_type = real_type ? real_type : dcl->const_type;
if (IDL_NODE_TYPE(real_type) == IDLN_TYPE_INTEGER &&
(IDL_TYPE_INTEGER(real_type).f_type == IDL_INTEGER_TYPE_SHORT ||
IDL_TYPE_INTEGER(real_type).f_type == IDL_INTEGER_TYPE_LONG))
{
if (!IDL_TYPE_INTEGER(real_type).f_signed &&
IDL_INTEGER(dcl->const_exp).value < 0)
{
#ifndef G_HAVE_GINT64
/*
* For platforms without longlong support turned on we can get
* confused by the high bit of the long value and think that it
* represents a negative value in an unsigned declaration.
* In that case we don't know if it is the programmer who is
* confused or the compiler. So we issue a warning instead of
* an error.
*/
if (IDL_TYPE_INTEGER(real_type).f_type == IDL_INTEGER_TYPE_LONG)
{
XPIDL_WARNING((const_tree, IDL_WARNING1,
"unsigned const declaration \'%s\' "
"initialized with (possibly) negative constant",
name));
return TRUE;
}
#endif
IDL_tree_error(const_tree,
"unsigned const declaration \'%s\' initialized with "
"negative constant",
name);
return FALSE;
}
} else {
IDL_tree_error(const_tree,
"const declaration \'%s\' must be of type short or long",
name);
return FALSE;
}
return TRUE;
}
static gboolean
fill_pd_from_param(TreeState *state, XPTParamDescriptor *pd, IDL_tree tree)
{
uint8 flags = 0;
gboolean is_dipper_type = DIPPER_TYPE(IDL_PARAM_DCL(tree).param_type_spec);
switch (IDL_PARAM_DCL(tree).attr) {
case IDL_PARAM_IN:
flags = XPT_PD_IN;
break;
case IDL_PARAM_OUT:
flags = XPT_PD_OUT;
break;
case IDL_PARAM_INOUT:
flags = XPT_PD_IN | XPT_PD_OUT;
break;
}
if (IDL_tree_property_get(IDL_PARAM_DCL(tree).simple_declarator,
"retval")) {
if (flags != XPT_PD_OUT) {
IDL_tree_error(tree, "can't have [retval] with in%s param "
"(only out)\n",
flags & XPT_PD_OUT ? "out" : "");
return FALSE;
}
flags |= XPT_PD_RETVAL;
}
if (is_dipper_type && (flags & XPT_PD_OUT)) {
flags &= ~XPT_PD_OUT;
flags |= XPT_PD_IN | XPT_PD_DIPPER;
}
if (IDL_tree_property_get(IDL_PARAM_DCL(tree).simple_declarator,
"shared")) {
if (flags & XPT_PD_IN) {
IDL_tree_error(tree, "can't have [shared] with in%s param "
"(only out)\n",
flags & XPT_PD_OUT ? "out" : "");
return FALSE;
}
flags |= XPT_PD_SHARED;
}
if (IDL_tree_property_get(IDL_PARAM_DCL(tree).simple_declarator,
"optional")) {
flags |= XPT_PD_OPTIONAL;
}
/* stick param where we can see it later */
state->tree = tree;
return fill_pd_from_type(state, pd, flags,
IDL_PARAM_DCL(tree).param_type_spec);
}
static gboolean
do_enum(TreeState *state)
{
IDL_tree_error(state->tree, "enums not supported, "
"see http://bugzilla.mozilla.org/show_bug.cgi?id=8781");
return FALSE;
}
/* If insertion was made, return true, else there was a collision */
static gboolean heap_insert_ident (IDL_tree interface_ident, GTree *heap, IDL_tree any)
{
IDL_tree p;
assert (any != NULL);
assert (heap != NULL);
if ((p = g_tree_lookup (heap, any))) {
char *newi;
char *i1, *i2;
char *what1 = "identifier", *what2 = what1;
char *who1, *who2;
IDL_tree q;
assert (IDL_NODE_TYPE (p) == IDLN_IDENT);
newi = IDL_ns_ident_to_qstring (IDL_IDENT_TO_NS (interface_ident), "::", 0);
i1 = IDL_ns_ident_to_qstring (IDL_IDENT_TO_NS (p), "::", 0);
i2 = IDL_ns_ident_to_qstring (IDL_IDENT_TO_NS (any), "::", 0);
q = p;
while (q && (IDL_NODE_TYPE (q) == IDLN_IDENT || IDL_NODE_TYPE (q) == IDLN_LIST))
q = IDL_NODE_UP (q);
assert (q != NULL);
IDL_tree_get_node_info (q, &what1, &who1);
q = any;
while (q && (IDL_NODE_TYPE (q) == IDLN_IDENT || IDL_NODE_TYPE (q) == IDLN_LIST))
q = IDL_NODE_UP (q);
assert (q != NULL);
IDL_tree_get_node_info (q, &what2, &who2);
yyerrorv ("Ambiguous inheritance in interface `%s' from %s `%s' and %s `%s'",
newi, what1, i1, what2, i2);
IDL_tree_error (p, "%s `%s' conflicts with", what1, i1);
IDL_tree_error (any, "%s `%s'", what2, i2);
g_free (newi); g_free (i1); g_free (i2);
return FALSE;
}
g_tree_insert (heap, any, any);
return TRUE;
}
/* fill the interface_directory IDE table from the interface_map */
static gboolean
fill_ide_table(gpointer key, gpointer value, gpointer user_data)
{
TreeState *state = user_data;
NewInterfaceHolder *holder = (NewInterfaceHolder *) value;
struct nsID id;
XPTInterfaceDirectoryEntry *ide;
XPT_ASSERT(holder);
#ifdef DEBUG_shaver_ifaces
fprintf(stderr, "filling %s\n", holder->full_name);
#endif
if (holder->iid) {
if (strlen(holder->iid) != 36) {
IDL_tree_error(state->tree, "IID %s is the wrong length\n",
holder->iid);
return FALSE;
}
if (!xpidl_parse_iid(&id, holder->iid)) {
IDL_tree_error(state->tree, "cannot parse IID %s\n", holder->iid);
return FALSE;
}
} else {
memset(&id, 0, sizeof(id));
}
ide = &(HEADER(state)->interface_directory[IFACES(state)]);
if (!XPT_FillInterfaceDirectoryEntry(ARENA(state), ide, &id, holder->name,
holder->name_space, NULL)) {
IDL_tree_error(state->tree, "INTERNAL: XPT_FillIDE failed for %s\n",
holder->full_name);
return FALSE;
}
IFACES(state)++;
DeleteNewInterfaceHolder(holder);
return TRUE;
}
/*
* Verify that a native declaration has an associated C++ expression, i.e. that
* it's of the form native <idl-name>(<c++-name>)
*/
gboolean
check_native(TreeState *state)
{
char *native_name;
/* require that native declarations give a native type */
if (IDL_NATIVE(state->tree).user_type)
return TRUE;
native_name = IDL_IDENT(IDL_NATIVE(state->tree).ident).str;
IDL_tree_error(state->tree,
"``native %s;'' needs C++ type: ``native %s(<C++ type>);''",
native_name, native_name);
return FALSE;
}
/* return value is for success or failure */
static gboolean
get_size_and_length(TreeState *state, IDL_tree type,
int16 *size_is_argnum, int16 *length_is_argnum,
gboolean *has_size_is, gboolean *has_length_is)
{
*has_size_is = FALSE;
*has_length_is = FALSE;
if (IDL_NODE_TYPE(state->tree) == IDLN_PARAM_DCL) {
IDL_tree sd = IDL_PARAM_DCL(state->tree).simple_declarator;
const char *size_is;
const char *length_is;
/* only if size_is is found does any of this matter */
size_is = IDL_tree_property_get(sd, "size_is");
if (!size_is)
return TRUE;
if (!find_arg_with_name(state, size_is, size_is_argnum)) {
IDL_tree_error(state->tree, "can't find matching argument for "
"[size_is(%s)]\n", size_is);
return FALSE;
}
*has_size_is = TRUE;
/* length_is is optional */
length_is = IDL_tree_property_get(sd, "length_is");
if (length_is) {
*has_length_is = TRUE;
if (!find_arg_with_name(state, length_is, length_is_argnum)) {
IDL_tree_error(state->tree, "can't find matching argument for "
"[length_is(%s)]\n", length_is);
return FALSE;
}
}
}
return TRUE;
}
/*
* This method consolidates error checking needed when coercing the XPIDL compiler
* via the -t flag to generate output for a specific version of XPConnect.
*/
static gboolean
verify_type_fits_version(IDL_tree in_tree, IDL_tree error_tree)
{
if (major_version == 1 && minor_version == 1)
{
/* XPIDL Version 1.1 checks */
/* utf8string, cstring, and astring types are not supported */
if (IDL_tree_property_get(in_tree, "utf8string") != NULL ||
IDL_tree_property_get(in_tree, "cstring") != NULL ||
IDL_tree_property_get(in_tree, "astring") != NULL)
{
IDL_tree_error(error_tree,
"Cannot use [utf8string], [cstring] and [astring] "
"types when generating version 1.1 typelibs\n");
return FALSE;
}
}
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
fill_td_from_type(TreeState *state, XPTTypeDescriptor *td, IDL_tree type)
{
IDL_tree up;
int16 size_is_argnum;
int16 length_is_argnum;
gboolean has_size_is;
gboolean has_length_is;
gboolean is_array = FALSE;
if (type) {
/* deal with array */
if (IDL_NODE_TYPE(state->tree) == IDLN_PARAM_DCL) {
IDL_tree sd = IDL_PARAM_DCL(state->tree).simple_declarator;
if (IDL_tree_property_get(sd, "array")) {
is_array = TRUE;
/* size_is is required! */
if (!get_size_and_length(state, type,
&size_is_argnum, &length_is_argnum,
&has_size_is, &has_length_is)) {
/* error was reported by helper function */
return FALSE;
}
if (!has_size_is) {
IDL_tree_error(state->tree, "[array] requires [size_is()]\n");
return FALSE;
}
td->prefix.flags = TD_ARRAY | XPT_TDP_POINTER;
td->argnum = size_is_argnum;
if (has_length_is)
td->argnum2 = length_is_argnum;
else
td->argnum2 = size_is_argnum;
/*
* XXX - NOTE - this will be broken for multidimensional
* arrays because of the realloc XPT_InterfaceDescriptorAddTypes
* uses. The underlying 'td' can change as we recurse in to get
* additional dimensions. Luckily, we don't yet support more
* than on dimension in the arrays
*/
/* setup the additional_type */
if (!XPT_InterfaceDescriptorAddTypes(ARENA(state),
CURRENT(state), 1)) {
g_error("out of memory\n");
return FALSE;
}
td->type.additional_type = NEXT_TYPE(state);
td = &CURRENT(state)->additional_types[NEXT_TYPE(state)];
NEXT_TYPE(state)++ ;
}
}
handle_typedef:
switch (IDL_NODE_TYPE(type)) {
case IDLN_TYPE_INTEGER: {
gboolean sign = IDL_TYPE_INTEGER(type).f_signed;
switch(IDL_TYPE_INTEGER(type).f_type) {
case IDL_INTEGER_TYPE_SHORT:
td->prefix.flags = sign ? TD_INT16 : TD_UINT16;
break;
case IDL_INTEGER_TYPE_LONG:
td->prefix.flags = sign ? TD_INT32 : TD_UINT32;
break;
case IDL_INTEGER_TYPE_LONGLONG:
td->prefix.flags = sign ? TD_INT64 : TD_UINT64;
break;
}
break;
}
case IDLN_TYPE_CHAR:
td->prefix.flags = TD_CHAR;
break;
case IDLN_TYPE_WIDE_CHAR:
td->prefix.flags = TD_WCHAR;
break;
case IDLN_TYPE_STRING:
if (is_array) {
td->prefix.flags = TD_PSTRING | XPT_TDP_POINTER;
} else {
if (!get_size_and_length(state, type,
&size_is_argnum, &length_is_argnum,
&has_size_is, &has_length_is)) {
/* error was reported by helper function */
return FALSE;
}
if (has_size_is) {
td->prefix.flags = TD_PSTRING_SIZE_IS | XPT_TDP_POINTER;
td->argnum = size_is_argnum;
if (has_length_is)
td->argnum2 = length_is_argnum;
else
td->argnum2 = size_is_argnum;
} else {
td->prefix.flags = TD_PSTRING | XPT_TDP_POINTER;
}
}
break;
case IDLN_TYPE_WIDE_STRING:
if (is_array) {
td->prefix.flags = TD_PWSTRING | XPT_TDP_POINTER;
} else {
if (!get_size_and_length(state, type,
&size_is_argnum, &length_is_argnum,
&has_size_is, &has_length_is)) {
/* error was reported by helper function */
return FALSE;
}
if (has_size_is) {
td->prefix.flags = TD_PWSTRING_SIZE_IS | XPT_TDP_POINTER;
td->argnum = size_is_argnum;
if (has_length_is)
td->argnum2 = length_is_argnum;
else
td->argnum2 = size_is_argnum;
} else {
td->prefix.flags = TD_PWSTRING | XPT_TDP_POINTER;
}
}
break;
case IDLN_TYPE_BOOLEAN:
td->prefix.flags = TD_BOOL;
break;
case IDLN_TYPE_OCTET:
td->prefix.flags = TD_UINT8;
break;
case IDLN_TYPE_FLOAT:
switch (IDL_TYPE_FLOAT (type).f_type) {
case IDL_FLOAT_TYPE_FLOAT:
td->prefix.flags = TD_FLOAT;
break;
case IDL_FLOAT_TYPE_DOUBLE:
td->prefix.flags = TD_DOUBLE;
break;
/* XXX 'long double' just ignored, or what? */
default: 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(type).str);
return FALSE;
}
switch (IDL_NODE_TYPE(up)) {
/* This whole section is abominably ugly */
case IDLN_FORWARD_DCL:
case IDLN_INTERFACE: {
XPTInterfaceDirectoryEntry *ide, *ides;
uint16 num_ifaces;
char *className;
const char *iid_is;
handle_iid_is:
ides = HEADER(state)->interface_directory;
num_ifaces = HEADER(state)->num_interfaces;
/* 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) {
int16 argnum;
if (!find_arg_with_name(state, iid_is, &argnum)) {
IDL_tree_error(state->tree,
"can't find matching argument for "
"[iid_is(%s)]\n", iid_is);
return FALSE;
}
td->prefix.flags = TD_INTERFACE_IS_TYPE | XPT_TDP_POINTER;
td->argnum = argnum;
} else {
td->prefix.flags = TD_INTERFACE_TYPE | XPT_TDP_POINTER;
ide = FindInterfaceByName(ides, num_ifaces, className);
if (!ide || ide < ides || ide > ides + num_ifaces) {
IDL_tree_error(state->tree,
"unknown iface %s in param\n",
className);
return FALSE;
}
td->type.iface = ide - ides + 1;
#ifdef DEBUG_shaver_index
fprintf(stderr, "DBG: index %d for %s\n",
td->type.iface, className);
#endif
}
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;
ident = IDL_IDENT(type).str;
if (IDL_tree_property_get(type, "nsid")) {
td->prefix.flags = TD_PNSIID;
if (IDL_tree_property_get(type, "ref"))
td->prefix.flags |= XPT_TDP_POINTER | XPT_TDP_REFERENCE;
else if (IDL_tree_property_get(type,"ptr"))
td->prefix.flags |= XPT_TDP_POINTER;
} else if (IDL_tree_property_get(type, "domstring")) {
td->prefix.flags = TD_DOMSTRING | XPT_TDP_POINTER;
if (IDL_tree_property_get(type, "ref"))
td->prefix.flags |= XPT_TDP_REFERENCE;
} else if (IDL_tree_property_get(type, "astring")) {
td->prefix.flags = TD_ASTRING | XPT_TDP_POINTER;
if (IDL_tree_property_get(type, "ref"))
td->prefix.flags |= XPT_TDP_REFERENCE;
} else if (IDL_tree_property_get(type, "utf8string")) {
td->prefix.flags = TD_UTF8STRING | XPT_TDP_POINTER;
if (IDL_tree_property_get(type, "ref"))
td->prefix.flags |= XPT_TDP_REFERENCE;
} else if (IDL_tree_property_get(type, "cstring")) {
td->prefix.flags = TD_CSTRING | XPT_TDP_POINTER;
if (IDL_tree_property_get(type, "ref"))
td->prefix.flags |= XPT_TDP_REFERENCE;
} else if (IDL_tree_property_get(type, "jsval")) {
td->prefix.flags = TD_JSVAL;
if (IDL_tree_property_get(type, "ptr"))
td->prefix.flags |= XPT_TDP_POINTER;
} else {
td->prefix.flags = TD_VOID | XPT_TDP_POINTER;
}
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;
#ifdef DEBUG_shaver_misc
fprintf(stderr, "following %s typedef to %s\n",
IDL_IDENT(type).str, IDL_NODE_TYPE_NAME(new_type));
#endif
/*
* Do a nice messy goto rather than recursion so that
* we can avoid screwing up the *array* information.
*/
/* return fill_td_from_type(state, td, new_type); */
if (new_type) {
type = new_type;
goto handle_typedef;
} else {
/* do what we would do in recursion if !type */
td->prefix.flags = TD_VOID;
return TRUE;
}
}
IDL_tree_error(state->tree,
"can't handle %s ident 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 of"
#endif
);
#ifdef DEBUG_shaver
XPT_ASSERT(0);
#endif
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;
}
} else {
td->prefix.flags = TD_VOID;
}
return TRUE;
}
static gboolean
typelib_interface(TreeState *state)
{
IDL_tree iface = state->tree, iter;
char *name = IDL_IDENT(IDL_INTERFACE(iface).ident).str;
XPTInterfaceDirectoryEntry *ide;
XPTInterfaceDescriptor *id;
uint16 parent_id = 0;
PRUint8 interface_flags = 0;
if (!verify_interface_declaration(iface))
return FALSE;
if (IDL_tree_property_get(IDL_INTERFACE(iface).ident, "scriptable"))
interface_flags |= XPT_ID_SCRIPTABLE;
if (IDL_tree_property_get(IDL_INTERFACE(iface).ident, "function"))
interface_flags |= XPT_ID_FUNCTION;
ide = FindInterfaceByName(HEADER(state)->interface_directory,
HEADER(state)->num_interfaces, name);
if (!ide) {
IDL_tree_error(iface, "ERROR: didn't find interface %s in "
"IDE block. Giving up.\n", name);
return FALSE;
}
if ((iter = IDL_INTERFACE(iface).inheritance_spec)) {
char *parent;
if (IDL_LIST(iter).next) {
IDL_tree_error(iface,
"ERROR: more than one parent interface for %s\n",
name);
return FALSE;
}
parent = IDL_IDENT(IDL_LIST(iter).data).str;
parent_id = (uint16)(uint32)g_hash_table_lookup(IFACE_MAP(state),
parent);
if (!parent_id) {
IDL_tree_error(iface,
"ERROR: no index found for %s. Giving up.\n",
parent);
return FALSE;
}
}
id = XPT_NewInterfaceDescriptor(ARENA(state), parent_id, 0, 0,
interface_flags);
if (!id)
return FALSE;
CURRENT(state) = ide->interface_descriptor = id;
#ifdef DEBUG_shaver_ifaces
fprintf(stderr, "DBG: starting interface %s @ %p\n", name, id);
#endif
NEXT_METH(state) = 0;
NEXT_CONST(state) = 0;
NEXT_TYPE(state) = 0;
state->tree = IDL_INTERFACE(iface).body;
if (state->tree && !xpidl_process_node(state))
return FALSE;
#ifdef DEBUG_shaver_ifaces
fprintf(stderr, "DBG: ending interface %s\n", name);
#endif
return TRUE;
}
static gboolean
interface(TreeState *state)
{
IDL_tree iface = state->tree, iter, orig;
char *className = IDL_IDENT(IDL_INTERFACE(iface).ident).str;
char *classNameUpper = NULL;
char *classNameImpl = NULL;
char *cp;
gboolean ok = TRUE;
gboolean keepvtable;
const char *iid;
const char *name_space;
struct nsID id;
char iid_parsed[UUID_LENGTH];
GSList *doc_comments = IDL_IDENT(IDL_INTERFACE(iface).ident).comments;
if (!verify_interface_declaration(iface))
return FALSE;
#define FAIL do {ok = FALSE; goto out;} while(0)
fprintf(state->file, "\n/* starting interface: %s */\n",
className);
name_space = IDL_tree_property_get(IDL_INTERFACE(iface).ident, "namespace");
if (name_space) {
fprintf(state->file, "/* namespace: %s */\n",
name_space);
fprintf(state->file, "/* fully qualified name: %s.%s */\n",
name_space,className);
}
iid = IDL_tree_property_get(IDL_INTERFACE(iface).ident, "uuid");
if (iid) {
/* 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);
FAIL;
}
/*
* 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);
FAIL;
}
if (!xpidl_sprint_iid(&id, iid_parsed)) {
IDL_tree_error(state->tree, "error formatting IID %s\n", iid);
FAIL;
}
/* #define NS_ISUPPORTS_IID_STR "00000000-0000-0000-c000-000000000046" */
fputs("#define ", state->file);
write_classname_iid_define(state->file, className);
fprintf(state->file, "_STR \"%s\"\n", iid_parsed);
fputc('\n', state->file);
/* #define NS_ISUPPORTS_IID { {0x00000000 .... 0x46 }} */
fprintf(state->file, "#define ");
write_classname_iid_define(state->file, className);
fprintf(state->file, " \\\n"
" {0x%.8x, 0x%.4x, 0x%.4x, \\\n"
" { 0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x, "
"0x%.2x, 0x%.2x, 0x%.2x, 0x%.2x }}\n",
id.m0, id.m1, id.m2,
id.m3[0], id.m3[1], id.m3[2], id.m3[3],
id.m3[4], id.m3[5], id.m3[6], id.m3[7]);
fputc('\n', state->file);
} else {
IDL_tree_error(state->tree, "interface %s lacks a uuid attribute\n",
className);
FAIL;
}
if (doc_comments != NULL)
printlist(state->file, doc_comments);
/*
* NS_NO_VTABLE is defined in nsISupportsUtils.h, and defined on windows
* to __declspec(novtable) on windows. This optimization is safe
* whenever the constructor calls no virtual methods. Writing in IDL
* almost guarantees this, except for the case when a %{C++ block occurs in
* the interface. We detect that case, and emit a macro call that disables
* the optimization.
*/
keepvtable = FALSE;
for (iter = IDL_INTERFACE(state->tree).body;
iter != NULL;
iter = IDL_LIST(iter).next)
{
IDL_tree data = IDL_LIST(iter).data;
if (IDL_NODE_TYPE(data) == IDLN_CODEFRAG)
keepvtable = TRUE;
}
/* The interface declaration itself. */
fprintf(state->file,
"class %s%s",
(keepvtable ? "" : "NS_NO_VTABLE "), className);
if ((iter = IDL_INTERFACE(iface).inheritance_spec)) {
fputs(" : ", state->file);
if (IDL_LIST(iter).next != NULL) {
IDL_tree_error(iter,
"multiple inheritance is not supported by xpidl");
FAIL;
}
fprintf(state->file, "public %s", IDL_IDENT(IDL_LIST(iter).data).str);
}
fputs(" {\n"
" public: \n\n", state->file);
if (iid) {
fputs(" NS_DEFINE_STATIC_IID_ACCESSOR(", state->file);
write_classname_iid_define(state->file, className);
fputs(")\n\n", state->file);
}
orig = state->tree; /* It would be nice to remove this state-twiddling. */
state->tree = IDL_INTERFACE(iface).body;
if (state->tree && !xpidl_process_node(state))
FAIL;
fputs("};\n", state->file);
fputc('\n', state->file);
/*
* #define NS_DECL_NSIFOO - create method prototypes that can be used in
* class definitions that support this interface.
*
* Walk the tree explicitly to prototype a reworking of xpidl to get rid of
* the callback mechanism.
*/
state->tree = orig;
fputs("/* Use this macro when declaring classes that implement this "
"interface. */\n", state->file);
fputs("#define NS_DECL_", state->file);
classNameUpper = xpidl_strdup(className);
for (cp = classNameUpper; *cp != '\0'; cp++)
*cp = toupper(*cp);
fprintf(state->file, "%s \\\n", classNameUpper);
if (IDL_INTERFACE(state->tree).body == NULL) {
write_indent(state->file);
fputs("/* no methods! */\n", state->file);
}
for (iter = IDL_INTERFACE(state->tree).body;
iter != NULL;
iter = IDL_LIST(iter).next)
{
IDL_tree data = IDL_LIST(iter).data;
switch(IDL_NODE_TYPE(data)) {
case IDLN_OP_DCL:
write_indent(state->file);
write_method_signature(data, state->file, AS_DECL, NULL);
break;
case IDLN_ATTR_DCL:
write_indent(state->file);
if (!write_attr_accessor(data, state->file, TRUE, AS_DECL, NULL))
FAIL;
if (!IDL_ATTR_DCL(data).f_readonly) {
fputs("; \\\n", state->file); /* Terminate the previous one. */
write_indent(state->file);
if (!write_attr_accessor(data, state->file,
FALSE, AS_DECL, NULL))
FAIL;
/* '; \n' at end will clean up. */
}
break;
case IDLN_CONST_DCL:
/* ignore it here; it doesn't contribute to the macro. */
continue;
case IDLN_CODEFRAG:
XPIDL_WARNING((iter, IDL_WARNING1,
"%%{ .. %%} code fragment within interface "
"ignored when generating NS_DECL_%s macro; "
"if the code fragment contains method "
"declarations, the macro probably isn't "
"complete.", classNameUpper));
continue;
default:
IDL_tree_error(iter,
"unexpected node type %d! "
"Please file a bug against the xpidl component.",
IDL_NODE_TYPE(data));
FAIL;
}
if (IDL_LIST(iter).next != NULL) {
fprintf(state->file, "; \\\n");
} else {
fprintf(state->file, "; \n");
}
}
fputc('\n', state->file);
/* XXX abstract above and below into one function? */
/*
* #define NS_FORWARD_NSIFOO - create forwarding methods that can delegate
* behavior from in implementation to another object. As generated by
* idlc.
*/
fprintf(state->file,
"/* Use this macro to declare functions that forward the "
"behavior of this interface to another object. */\n"
"#define NS_FORWARD_%s(_to) \\\n",
classNameUpper);
if (IDL_INTERFACE(state->tree).body == NULL) {
write_indent(state->file);
fputs("/* no methods! */\n", state->file);
}
for (iter = IDL_INTERFACE(state->tree).body;
iter != NULL;
iter = IDL_LIST(iter).next)
{
IDL_tree data = IDL_LIST(iter).data;
switch(IDL_NODE_TYPE(data)) {
case IDLN_OP_DCL:
write_indent(state->file);
write_method_signature(data, state->file, AS_DECL, NULL);
fputs(" { return _to ", state->file);
write_method_signature(data, state->file, AS_CALL, NULL);
break;
case IDLN_ATTR_DCL:
write_indent(state->file);
if (!write_attr_accessor(data, state->file, TRUE, AS_DECL, NULL))
FAIL;
fputs(" { return _to ", state->file);
if (!write_attr_accessor(data, state->file, TRUE, AS_CALL, NULL))
FAIL;
if (!IDL_ATTR_DCL(data).f_readonly) {
fputs("; } \\\n", state->file); /* Terminate the previous one. */
write_indent(state->file);
if (!write_attr_accessor(data, state->file,
FALSE, AS_DECL, NULL))
FAIL;
fputs(" { return _to ", state->file);
if (!write_attr_accessor(data, state->file,
FALSE, AS_CALL, NULL))
FAIL;
/* '; } \n' at end will clean up. */
}
break;
case IDLN_CONST_DCL:
case IDLN_CODEFRAG:
continue;
default:
FAIL;
}
if (IDL_LIST(iter).next != NULL) {
fprintf(state->file, "; } \\\n");
} else {
fprintf(state->file, "; } \n");
}
}
fputc('\n', state->file);
/* XXX abstract above and below into one function? */
/*
* #define NS_FORWARD_SAFE_NSIFOO - create forwarding methods that can delegate
* behavior from in implementation to another object. As generated by
* idlc.
*/
fprintf(state->file,
"/* Use this macro to declare functions that forward the "
"behavior of this interface to another object in a safe way. */\n"
"#define NS_FORWARD_SAFE_%s(_to) \\\n",
classNameUpper);
if (IDL_INTERFACE(state->tree).body == NULL) {
write_indent(state->file);
fputs("/* no methods! */\n", state->file);
}
for (iter = IDL_INTERFACE(state->tree).body;
iter != NULL;
iter = IDL_LIST(iter).next)
{
IDL_tree data = IDL_LIST(iter).data;
switch(IDL_NODE_TYPE(data)) {
case IDLN_OP_DCL:
write_indent(state->file);
write_method_signature(data, state->file, AS_DECL, NULL);
fputs(" { return !_to ? NS_ERROR_NULL_POINTER : _to->", state->file);
write_method_signature(data, state->file, AS_CALL, NULL);
break;
case IDLN_ATTR_DCL:
write_indent(state->file);
if (!write_attr_accessor(data, state->file, TRUE, AS_DECL, NULL))
FAIL;
fputs(" { return !_to ? NS_ERROR_NULL_POINTER : _to->", state->file);
if (!write_attr_accessor(data, state->file, TRUE, AS_CALL, NULL))
FAIL;
if (!IDL_ATTR_DCL(data).f_readonly) {
fputs("; } \\\n", state->file); /* Terminate the previous one. */
write_indent(state->file);
if (!write_attr_accessor(data, state->file,
FALSE, AS_DECL, NULL))
FAIL;
fputs(" { return !_to ? NS_ERROR_NULL_POINTER : _to->", state->file);
if (!write_attr_accessor(data, state->file,
FALSE, AS_CALL, NULL))
FAIL;
/* '; } \n' at end will clean up. */
}
break;
case IDLN_CONST_DCL:
case IDLN_CODEFRAG:
continue;
default:
FAIL;
}
if (IDL_LIST(iter).next != NULL) {
fprintf(state->file, "; } \\\n");
} else {
fprintf(state->file, "; } \n");
}
}
fputc('\n', state->file);
/*
* Build a sample implementation template.
*/
if (strlen(className) >= 3 && className[2] == 'I') {
classNameImpl = xpidl_strdup(className);
if (!classNameImpl)
FAIL;
memmove(&classNameImpl[2], &classNameImpl[3], strlen(classNameImpl) - 2);
} else {
classNameImpl = xpidl_strdup("_MYCLASS_");
if (!classNameImpl)
FAIL;
}
fputs("#if 0\n"
"/* Use the code below as a template for the "
"implementation class for this interface. */\n"
"\n"
"/* Header file */"
"\n",
state->file);
fprintf(state->file, "class %s : public %s\n", classNameImpl, className);
fputs("{\n"
"public:\n", state->file);
write_indent(state->file);
fputs("NS_DECL_ISUPPORTS\n", state->file);
write_indent(state->file);
fprintf(state->file, "NS_DECL_%s\n", classNameUpper);
fputs("\n", state->file);
write_indent(state->file);
fprintf(state->file, "%s();\n", classNameImpl);
fputs("\n"
"private:\n", state->file);
write_indent(state->file);
fprintf(state->file, "~%s();\n", classNameImpl);
fputs("\n"
"protected:\n", state->file);
write_indent(state->file);
fputs("/* additional members */\n", state->file);
fputs("};\n\n", state->file);
fputs("/* Implementation file */\n", state->file);
fprintf(state->file,
"NS_IMPL_ISUPPORTS1(%s, %s)\n", classNameImpl, className);
fputs("\n", state->file);
fprintf(state->file, "%s::%s()\n", classNameImpl, classNameImpl);
fputs("{\n", state->file);
write_indent(state->file);
fputs("/* member initializers and constructor code */\n", state->file);
fputs("}\n\n", state->file);
fprintf(state->file, "%s::~%s()\n", classNameImpl, classNameImpl);
fputs("{\n", state->file);
write_indent(state->file);
fputs("/* destructor code */\n", state->file);
fputs("}\n\n", state->file);
for (iter = IDL_INTERFACE(state->tree).body;
iter != NULL;
iter = IDL_LIST(iter).next)
{
IDL_tree data = IDL_LIST(iter).data;
switch(IDL_NODE_TYPE(data)) {
case IDLN_OP_DCL:
/* It would be nice to remove this state-twiddling. */
orig = state->tree;
state->tree = data;
xpidl_write_comment(state, 0);
state->tree = orig;
write_method_signature(data, state->file, AS_IMPL, classNameImpl);
fputs("\n{\n", state->file);
write_indent(state->file);
write_indent(state->file);
fputs("return NS_ERROR_NOT_IMPLEMENTED;\n"
"}\n"
"\n", state->file);
break;
case IDLN_ATTR_DCL:
/* It would be nice to remove this state-twiddling. */
orig = state->tree;
state->tree = data;
xpidl_write_comment(state, 0);
state->tree = orig;
if (!write_attr_accessor(data, state->file, TRUE,
AS_IMPL, classNameImpl))
FAIL;
fputs("\n{\n", state->file);
write_indent(state->file);
write_indent(state->file);
fputs("return NS_ERROR_NOT_IMPLEMENTED;\n"
"}\n", state->file);
if (!IDL_ATTR_DCL(data).f_readonly) {
if (!write_attr_accessor(data, state->file, FALSE,
AS_IMPL, classNameImpl))
FAIL;
fputs("\n{\n", state->file);
write_indent(state->file);
write_indent(state->file);
fputs("return NS_ERROR_NOT_IMPLEMENTED;\n"
"}\n", state->file);
}
fputs("\n", state->file);
break;
case IDLN_CONST_DCL:
case IDLN_CODEFRAG:
continue;
default:
FAIL;
}
}
fputs("/* End of implementation class template. */\n"
"#endif\n"
"\n", state->file);
#undef FAIL
out:
if (classNameUpper)
free(classNameUpper);
if (classNameImpl)
free(classNameImpl);
return ok;
}
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;
}
/*
* Check that parameters referred to by attributes such as size_is exist and
* refer to parameters of the appropriate type.
*/
static gboolean
check_param_attribute(IDL_tree method_tree, IDL_tree param,
ParamAttrType whattocheck)
{
const char *method_name = IDL_IDENT(IDL_OP_DCL(method_tree).ident).str;
const char *referred_name = NULL;
IDL_tree param_type = IDL_PARAM_DCL(param).param_type_spec;
IDL_tree simple_decl = IDL_PARAM_DCL(param).simple_declarator;
const char *param_name = IDL_IDENT(simple_decl).str;
const char *attr_name;
const char *needed_type;
if (whattocheck == IID_IS) {
attr_name = "iid_is";
needed_type = "IID";
} else if (whattocheck == LENGTH_IS) {
attr_name = "length_is";
needed_type = "unsigned long (or PRUint32)";
} else if (whattocheck == SIZE_IS) {
attr_name = "size_is";
needed_type = "unsigned long (or PRUint32)";
} else {
XPT_ASSERT("asked to check an unknown attribute type!");
return TRUE;
}
referred_name = IDL_tree_property_get(simple_decl, attr_name);
if (referred_name != NULL) {
IDL_tree referred_param = find_named_parameter(method_tree,
referred_name);
IDL_tree referred_param_type;
if (referred_param == NULL) {
IDL_tree_error(method_tree,
"attribute [%s(%s)] refers to missing "
"parameter \"%s\"",
attr_name, referred_name, referred_name);
return FALSE;
}
if (referred_param == param) {
IDL_tree_error(method_tree,
"attribute [%s(%s)] refers to it's own parameter",
attr_name, referred_name);
return FALSE;
}
referred_param_type = IDL_PARAM_DCL(referred_param).param_type_spec;
if (whattocheck == IID_IS) {
/* require IID type */
if (IDL_tree_property_get(referred_param_type, "nsid") == NULL) {
IDL_tree_error(method_tree,
"target \"%s\" of [%s(%s)] attribute "
"must be of %s type",
referred_name, attr_name, referred_name,
needed_type);
return FALSE;
}
} else if (whattocheck == LENGTH_IS || whattocheck == SIZE_IS) {
/* require PRUint32 type */
IDL_tree real_type;
/* Could be a typedef; try to map it to the real type. */
real_type = find_underlying_type(referred_param_type);
real_type = real_type ? real_type : referred_param_type;
if (IDL_NODE_TYPE(real_type) != IDLN_TYPE_INTEGER ||
IDL_TYPE_INTEGER(real_type).f_signed != FALSE ||
IDL_TYPE_INTEGER(real_type).f_type != IDL_INTEGER_TYPE_LONG)
{
IDL_tree_error(method_tree,
"target \"%s\" of [%s(%s)] attribute "
"must be of %s type",
referred_name, attr_name, referred_name,
needed_type);
return FALSE;
}
}
}
return TRUE;
}
gboolean
verify_attribute_declaration(IDL_tree attr_tree)
{
IDL_tree iface;
IDL_tree ident;
IDL_tree attr_type;
gboolean scriptable_interface;
/* We don't support attributes named IID, conflicts with static GetIID
* member. The conflict is due to certain compilers (VC++) choosing a
* different vtable order, placing GetIID at the beginning regardless
* of it's placement
*/
if (strcmp(
IDL_IDENT(
IDL_LIST(IDL_ATTR_DCL(attr_tree).simple_declarations).data).str,
"IID") == 0) {
IDL_tree_error(attr_tree,
"Attributes named IID not supported, causes vtable "
"ordering problems");
return FALSE;
}
/*
* Verify that we've been called on an interface, and decide if the
* interface was marked [scriptable].
*/
if (IDL_NODE_UP(attr_tree) && IDL_NODE_UP(IDL_NODE_UP(attr_tree)) &&
IDL_NODE_TYPE(iface = IDL_NODE_UP(IDL_NODE_UP(attr_tree)))
== IDLN_INTERFACE)
{
scriptable_interface =
(IDL_tree_property_get(IDL_INTERFACE(iface).ident, "scriptable")
!= NULL);
} else {
IDL_tree_error(attr_tree,
"verify_attribute_declaration called on a non-interface?");
return FALSE;
}
/*
* Grab the first of the list of idents and hope that it'll
* say scriptable or no.
*/
ident = IDL_LIST(IDL_ATTR_DCL(attr_tree).simple_declarations).data;
/*
* If the interface isn't scriptable, or the attribute is marked noscript,
* there's no need to check.
*/
if (!scriptable_interface ||
IDL_tree_property_get(ident, "noscript") != NULL)
return TRUE;
/*
* If it should be scriptable, check that the type is non-native. nsid,
* domstring, utf8string, cstring, astring are exempted.
*/
attr_type = IDL_ATTR_DCL(attr_tree).param_type_spec;
if (attr_type != NULL)
{
if (UP_IS_NATIVE(attr_type) &&
IDL_tree_property_get(attr_type, "nsid") == NULL &&
IDL_tree_property_get(attr_type, "domstring") == NULL &&
IDL_tree_property_get(attr_type, "utf8string") == NULL &&
IDL_tree_property_get(attr_type, "cstring") == NULL &&
IDL_tree_property_get(attr_type, "astring") == NULL)
{
IDL_tree_error(attr_tree,
"attributes in [scriptable] interfaces that are "
"non-scriptable because they refer to native "
"types must be marked [noscript]\n");
return FALSE;
}
/*
* We currently don't support properties of type nsid that aren't
* pointers or references, unless they are marked [notxpcom} and
* must be read-only
*/
if ((IDL_tree_property_get(ident, "notxpcom") == NULL || !(IDL_ATTR_DCL(attr_tree).f_readonly)) &&
IDL_tree_property_get(attr_type,"nsid") != NULL &&
IDL_tree_property_get(attr_type,"ptr") == NULL &&
IDL_tree_property_get(attr_type,"ref") == NULL)
{
IDL_tree_error(attr_tree,
"Feature not currently supported: "
"attributes with a type of nsid must be marked "
"either [ptr] or [ref], or "
"else must be marked [notxpcom] "
"and must be read-only\n");
return FALSE;
}
/*
* Run additional error checks on the attribute type if targetting an
* older version of XPConnect.
*/
if (!verify_type_fits_version(attr_type, attr_tree))
return FALSE;
}
if (IDL_LIST(IDL_ATTR_DCL(attr_tree).simple_declarations).next != NULL)
{
IDL_tree_error(attr_tree,
"multiple attributes in a single declaration is not supported\n");
return FALSE;
}
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;
}
