/* -*- 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
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* 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 ***** */
#include "xpidl.h"
/*
* Generates documentation from javadoc-style comments in XPIDL files.
*/
static gboolean
doc_prolog(TreeState *state)
{
fprintf(state->file, "\n");
fprintf(state->file, "\n");
fprintf(state->file,
"\n",
state->basename);
fprintf(state->file, "documentation for %s.idl interfaces\n",
state->basename);
fprintf(state->file, "\n\n");
fprintf(state->file, "\n");
return TRUE;
}
static gboolean
doc_epilog(TreeState *state)
{
fprintf(state->file, "\n");
fprintf(state->file, "\n");
return TRUE;
}
static gboolean
doc_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
print_list(FILE *outfile, IDL_tree list)
{
if (list == NULL)
return TRUE;
fprintf(outfile, "\n");
while (list != NULL) {
fprintf(outfile, " - %s\n",
IDL_IDENT(IDL_LIST(list).data).str);
list = IDL_LIST(list).next;
}
fprintf(outfile, "
\n");
return TRUE;
}
static gboolean
doc_interface(TreeState *state)
{
IDL_tree iface = state->tree;
IDL_tree iter;
IDL_tree orig;
char *classname = IDL_IDENT(IDL_INTERFACE(iface).ident).str;
GSList *doc_comments = IDL_IDENT(IDL_INTERFACE(iface).ident).comments;
fprintf(state->file, "interface %s
\n", classname);
/* Much more could happen at this step. */
/*
* If parsing doc comments, you might need to take some care with line
* endings, as the xpidl frontend will return comments containing of /r,
* /n, /r/n depending on the platform. It's best to leave out platform
* #defines and just treat them all as equivalent.
*/
if (doc_comments != NULL) {
fprintf(state->file, "doc comments:
\n");
fprintf(state->file, "\n");
printlist(state->file, doc_comments);
fprintf(state->file, "\n");
fprintf(state->file, "
\n");
}
/* inherits from */
/*
* Note that we accept multiple inheritance here (for e.g. gnome idl)
* even though the header backend (specific to mozilla idl) rejects it.
*/
if ((iter = IDL_INTERFACE(iface).inheritance_spec)) {
fprintf(state->file, "%s inherits from:
\n", classname);
print_list(state->file, iter);
fprintf(state->file, "
\n");
}
/*
* Call xpidl_process_node to recur through list of declarations in
* interface body; another option would be to explicitly iterate through
* the list. xpidl_process_node currently requires twiddling the state to
* get the right node; I'll fix that soon to just take the node. Makes it
* easier to follow what's going on, I think...
*/
orig = state->tree;
state->tree = IDL_INTERFACE(iface).body;
if (state->tree && !xpidl_process_node(state))
return FALSE;
state->tree = orig;
return TRUE;
}
/*
* Copied from xpidl_header.c. You'll probably want to change it; if you can
* use it verbatim or abstract it, we could move it to xpidl_util.c and share
* it from there.
*/
static gboolean
write_type(IDL_tree type_tree, FILE *outfile)
{
if (!type_tree) {
fputs("void", outfile);
return TRUE;
}
switch (IDL_NODE_TYPE(type_tree)) {
case IDLN_TYPE_INTEGER: {
gboolean sign = IDL_TYPE_INTEGER(type_tree).f_signed;
switch (IDL_TYPE_INTEGER(type_tree).f_type) {
case IDL_INTEGER_TYPE_SHORT:
fputs(sign ? "PRInt16" : "PRUint16", outfile);
break;
case IDL_INTEGER_TYPE_LONG:
fputs(sign ? "PRInt32" : "PRUint32", outfile);
break;
case IDL_INTEGER_TYPE_LONGLONG:
fputs(sign ? "PRInt64" : "PRUint64", outfile);
break;
default:
g_error("Unknown integer type %d\n",
IDL_TYPE_INTEGER(type_tree).f_type);
return FALSE;
}
break;
}
case IDLN_TYPE_CHAR:
fputs("char", outfile);
break;
case IDLN_TYPE_WIDE_CHAR:
fputs("PRUnichar", outfile); /* wchar_t? */
break;
case IDLN_TYPE_WIDE_STRING:
fputs("PRUnichar *", outfile);
break;
case IDLN_TYPE_STRING:
fputs("char *", outfile);
break;
case IDLN_TYPE_BOOLEAN:
fputs("PRBool", outfile);
break;
case IDLN_TYPE_OCTET:
fputs("PRUint8", outfile);
break;
case IDLN_TYPE_FLOAT:
switch (IDL_TYPE_FLOAT(type_tree).f_type) {
case IDL_FLOAT_TYPE_FLOAT:
fputs("float", outfile);
break;
case IDL_FLOAT_TYPE_DOUBLE:
fputs("double", outfile);
break;
/* XXX 'long double' just ignored, or what? */
default:
fprintf(outfile, "unknown_type_%d", IDL_NODE_TYPE(type_tree));
break;
}
break;
case IDLN_IDENT:
if (UP_IS_NATIVE(type_tree)) {
fputs(IDL_NATIVE(IDL_NODE_UP(type_tree)).user_type, outfile);
if (IDL_tree_property_get(type_tree, "ptr")) {
fputs(" *", outfile);
} else if (IDL_tree_property_get(type_tree, "ref")) {
fputs(" &", outfile);
}
} else {
fputs(IDL_IDENT(type_tree).str, outfile);
}
if (UP_IS_AGGREGATE(type_tree))
fputs(" *", outfile);
break;
default:
fprintf(outfile, "unknown_type_%d", IDL_NODE_TYPE(type_tree));
break;
}
return TRUE;
}
/* handle ATTR_DCL (attribute declaration) nodes */
static gboolean
doc_attribute_declaration(TreeState *state)
{
IDL_tree attr = state->tree;
if (!verify_attribute_declaration(attr))
return FALSE;
/*
* Attribute idents can also take doc comments. They're ignored here;
* should they be?
*/
if (IDL_ATTR_DCL(attr).f_readonly)
fprintf(state->file, "readonly ");
fprintf(state->file, "attribute ");
if (!write_type(IDL_ATTR_DCL(attr).param_type_spec, state->file))
return FALSE;
fprintf(state->file, "\n");
print_list(state->file, IDL_ATTR_DCL(attr).simple_declarations);
fprintf(state->file, "
\n");
return TRUE;
}
/* handle OP_DCL (method declaration) nodes */
static gboolean
doc_method_declaration(TreeState *state)
{
/*
* Doc comment for attributes also applies here.
*/
/*
* Look at 'write_method_signature' in xpidl_header.c for an example of how
* to navigate parse trees for methods. For here, I just print the method
* name.
*/
fprintf(state->file,
"method %s
\n",
IDL_IDENT(IDL_OP_DCL(state->tree).ident).str);
return TRUE;
}
backend *
xpidl_doc_dispatch(void)
{
static backend result;
static nodeHandler table[IDLN_LAST];
static gboolean initialized = FALSE;
result.emit_prolog = doc_prolog;
result.emit_epilog = doc_epilog;
if (!initialized) {
/* Initialize non-NULL elements */
/* I just handle a few... many still to be filled in! */
table[IDLN_LIST] = doc_list;
table[IDLN_INTERFACE] = doc_interface;
table[IDLN_ATTR_DCL] = doc_attribute_declaration;
table[IDLN_OP_DCL] = doc_method_declaration;
initialized = TRUE;
}
result.dispatch_table = table;
return &result;
}