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authorVincent Sanders <vince@kyllikki.org>2012-10-29 22:33:51 +0000
committerVincent Sanders <vince@kyllikki.org>2012-10-29 22:33:51 +0000
commit12f32ab2d843a4a70b5ebe055e7b2155270692e3 (patch)
tree6c1163630bfba330d070d7d88fcd3885714849d6 /src/jsapi-libdom-property.c
parent2d7df44ddaf4a951c29e58de1716ce33f225ab6c (diff)
downloadnsgenbind-12f32ab2d843a4a70b5ebe055e7b2155270692e3.tar.gz
nsgenbind-12f32ab2d843a4a70b5ebe055e7b2155270692e3.tar.bz2
split out property generation
Diffstat (limited to 'src/jsapi-libdom-property.c')
-rw-r--r--src/jsapi-libdom-property.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/src/jsapi-libdom-property.c b/src/jsapi-libdom-property.c
new file mode 100644
index 0000000..8d8afa2
--- /dev/null
+++ b/src/jsapi-libdom-property.c
@@ -0,0 +1,231 @@
+/* property generation
+ *
+ * This file is part of nsgenbind.
+ * Licensed under the MIT License,
+ * http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2012 Vincent Sanders <vince@netsurf-browser.org>
+ */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "options.h"
+#include "nsgenbind-ast.h"
+#include "webidl-ast.h"
+#include "jsapi-libdom.h"
+
+static int webidl_property_spec_cb(struct webidl_node *node, void *ctx)
+{
+ struct binding *binding = ctx;
+ struct webidl_node *ident_node;
+ struct webidl_node *modifier_node;
+
+ ident_node = webidl_node_find(webidl_node_getnode(node),
+ NULL,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_IDENT);
+
+ modifier_node = webidl_node_find(webidl_node_getnode(node),
+ NULL,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_MODIFIER);
+
+ if (ident_node == NULL) {
+ /* properties must have an operator
+ * http://www.w3.org/TR/WebIDL/#idl-attributes
+ */
+ return 1;
+ } else {
+ if (webidl_node_getint(modifier_node) == WEBIDL_TYPE_READONLY) {
+ fprintf(binding->outfile,
+ " JSAPI_PS_RO(%s, 0, JSPROP_ENUMERATE | JSPROP_SHARED),\n",
+ webidl_node_gettext(ident_node));
+ } else {
+ fprintf(binding->outfile,
+ " JSAPI_PS(%s, 0, JSPROP_ENUMERATE | JSPROP_SHARED),\n",
+ webidl_node_gettext(ident_node));
+ }
+ }
+ return 0;
+}
+
+static int
+generate_property_spec(struct binding *binding, const char *interface)
+{
+ struct webidl_node *interface_node;
+ struct webidl_node *members_node;
+ struct webidl_node *inherit_node;
+
+
+ /* find interface in webidl with correct ident attached */
+ interface_node = webidl_node_find_type_ident(binding->wi_ast,
+ WEBIDL_NODE_TYPE_INTERFACE,
+ interface);
+
+ if (interface_node == NULL) {
+ fprintf(stderr,
+ "Unable to find interface %s in loaded WebIDL\n",
+ interface);
+ return -1;
+ }
+
+ members_node = webidl_node_find(webidl_node_getnode(interface_node),
+ NULL,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_LIST);
+
+ while (members_node != NULL) {
+
+ fprintf(binding->outfile," /**** %s ****/\n", interface);
+
+
+ /* for each function emit a JSAPI_FS()*/
+ webidl_node_for_each_type(webidl_node_getnode(members_node),
+ WEBIDL_NODE_TYPE_ATTRIBUTE,
+ webidl_property_spec_cb,
+ binding);
+
+
+ members_node = webidl_node_find(webidl_node_getnode(interface_node),
+ members_node,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_LIST);
+
+ }
+ /* check for inherited nodes and insert them too */
+ inherit_node = webidl_node_find(webidl_node_getnode(interface_node),
+ NULL,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_INTERFACE_INHERITANCE);
+
+ if (inherit_node != NULL) {
+ return generate_property_spec(binding,
+ webidl_node_gettext(inherit_node));
+ }
+
+ return 0;
+}
+
+int
+output_property_spec(struct binding *binding)
+{
+ int res;
+
+ fprintf(binding->outfile,
+ "static JSPropertySpec jsclass_properties[] = {\n");
+
+ res = generate_property_spec(binding, binding->interface);
+
+ fprintf(binding->outfile, " JSAPI_PS_END\n};\n\n");
+
+ return res;
+}
+
+static int webidl_property_body_cb(struct webidl_node *node, void *ctx)
+{
+ struct binding *binding = ctx;
+ struct webidl_node *ident_node;
+ struct webidl_node *modifier_node;
+
+ ident_node = webidl_node_find(webidl_node_getnode(node),
+ NULL,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_IDENT);
+
+ if (ident_node == NULL) {
+ /* properties must have an operator
+ * http://www.w3.org/TR/WebIDL/#idl-attributes
+ */
+ return 1;
+ }
+
+ modifier_node = webidl_node_find(webidl_node_getnode(node),
+ NULL,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_MODIFIER);
+
+
+ if (webidl_node_getint(modifier_node) != WEBIDL_TYPE_READONLY) {
+ /* no readonly so a set function is required */
+
+ fprintf(binding->outfile,
+ "static JSBool JSAPI_PROPERTYSET(%s, JSContext *cx, JSObject *obj, jsval *vp)\n",
+ webidl_node_gettext(ident_node));
+ fprintf(binding->outfile,
+ "{\n"
+ " return JS_FALSE;\n"
+ "}\n\n");
+ }
+
+ fprintf(binding->outfile,
+ "static JSBool JSAPI_PROPERTYGET(%s, JSContext *cx, JSObject *obj, jsval *vp)\n",
+ webidl_node_gettext(ident_node));
+ fprintf(binding->outfile,
+ "{\n"
+ " JS_SET_RVAL(cx, vp, JSVAL_NULL);\n"
+ " return JS_TRUE;\n");
+ fprintf(binding->outfile, "}\n\n");
+
+
+ return 0;
+}
+
+
+int
+output_property_body(struct binding *binding, const char *interface)
+{
+ struct webidl_node *interface_node;
+ struct webidl_node *members_node;
+ struct webidl_node *inherit_node;
+
+
+ /* find interface in webidl with correct ident attached */
+ interface_node = webidl_node_find_type_ident(binding->wi_ast,
+ WEBIDL_NODE_TYPE_INTERFACE,
+ interface);
+
+ if (interface_node == NULL) {
+ fprintf(stderr,
+ "Unable to find interface %s in loaded WebIDL\n",
+ interface);
+ return -1;
+ }
+
+ members_node = webidl_node_find(webidl_node_getnode(interface_node),
+ NULL,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_LIST);
+
+ while (members_node != NULL) {
+
+ fprintf(binding->outfile,"/**** %s ****/\n", interface);
+
+ /* for each function emit property body */
+ webidl_node_for_each_type(webidl_node_getnode(members_node),
+ WEBIDL_NODE_TYPE_ATTRIBUTE,
+ webidl_property_body_cb,
+ binding);
+
+
+ members_node = webidl_node_find(webidl_node_getnode(interface_node),
+ members_node,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_LIST);
+
+ }
+ /* check for inherited nodes and insert them too */
+ inherit_node = webidl_node_find(webidl_node_getnode(interface_node),
+ NULL,
+ webidl_cmp_node_type,
+ (void *)WEBIDL_NODE_TYPE_INTERFACE_INHERITANCE);
+
+ if (inherit_node != NULL) {
+ return output_property_body(binding,
+ webidl_node_gettext(inherit_node));
+ }
+
+ return 0;
+}