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Implement namespace support for v8 generator.

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/oliverb-javascript-v8@13748 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Oliver Buchtala 2012-09-08 00:48:43 +00:00
commit 886f17c343
3 changed files with 53 additions and 13 deletions
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38
Source/Modules/javascript_v8.cxx
View file

@ -17,6 +17,9 @@
#define V8_FUNCTION "v8_function"
#define V8_RETRIEVE_THIS "v8_retrieve_this"
#define V8_REGISTER_MEMBER_FUNCTION "v8_register_member_function"
#define V8_CREATE_NAMESPACE "v8_create_namespace"
#define V8_REGISTER_NAMESPACE "v8_register_namespace"
// keywords used in templates
#define KW_MODULE_NAME "${MODULE}"
@ -32,6 +35,7 @@
#define KW_WRAPPERS "${PART_WRAPPERS}"
#define KW_INHERITANCE "${PART_INHERITANCE}"
#define KW_REGISTER "${PART_REGISTER}"
#define KW_REGISTER_NS "${PART_REGISTER_NS}"
#define KW_LOCALS "${LOCALS}"
#define KW_MARSHAL_INPUT "${MARSHAL_INPUT}"
@ -72,6 +76,7 @@ int V8Emitter::Initialize(Node *n)
f_init_wrappers = NewString("");
f_init_inheritance = NewString("");
f_init_register = NewString("");
f_init_register_namespaces = NewString("");
// note: this is necessary for built-in generation of swig runtime code
Swig_register_filebyname("runtime", f_runtime);
@ -100,7 +105,8 @@ int V8Emitter::Dump(Node *n)
.Replace(KW_CLASS_TEMPLATES, f_init_class_templates)
.Replace(KW_WRAPPERS, f_init_wrappers)
.Replace(KW_INHERITANCE, f_init_inheritance)
.Replace(KW_REGISTER, f_init_register);
.Replace(KW_REGISTER, f_init_register)
.Replace(KW_REGISTER_NS, f_init_register_namespaces);
Wrapper_pretty_print(initializer.str(), f_wrap_cpp);
return SWIG_OK;
@ -117,6 +123,7 @@ int V8Emitter::Close()
Delete(f_init_wrappers);
Delete(f_init_inheritance);
Delete(f_init_register);
Delete(f_init_register_namespaces);
::Close(f_wrap_cpp);
Delete(f_wrap_cpp);
@ -143,17 +150,38 @@ int V8Emitter::SwitchContext(Node *n)
int V8Emitter::CreateNamespace(String* scope) {
String* parent_scope = Swig_scopename_prefix(scope);
String* parent_scope_mangled = 0;
if(!parent_scope) {
parent_scope_mangled = NewString("global");
} else {
parent_scope_mangled = Swig_name_mangle(parent_scope);
}
if (parent_scope && !Getattr(namespaces, parent_scope)) {
CreateNamespace(parent_scope);
}
String* ns = Swig_string_mangle(scope);
Setattr(namespaces, scope, ns);
String* scope_mangled = Swig_string_mangle(scope);
String* scope_unqualified = Swig_scopename_last(scope);
Setattr(namespaces, scope, scope_mangled);
// TODO: create namespace object and register it to the parent scope
Printf(f_init_namespaces, "create_ns(%s);\n", ns);
// create namespace object and register it to the parent scope
Template t_create_ns(GetTemplate(V8_CREATE_NAMESPACE));
t_create_ns.Replace(KW_MANGLED_NAME, scope_mangled);
Template t_register_ns(GetTemplate(V8_REGISTER_NAMESPACE));
t_register_ns.Replace(KW_MANGLED_NAME, scope_mangled)
.Replace(KW_CONTEXT, parent_scope_mangled)
.Replace(KW_UNQUALIFIED_NAME, scope_unqualified);
Printv(f_init_namespaces, t_create_ns.str(), 0);
// prepend in order to achieve reversed order of registration statements
Insert(f_init_register_namespaces, 0, t_register_ns.str());
Delete(parent_scope);
Delete(parent_scope_mangled);
Delete(scope_unqualified);
return SWIG_OK;
}

1
Source/Modules/javascript_v8.h
View file

@ -57,6 +57,7 @@ private:
File *f_init_wrappers;
File *f_init_inheritance;
File *f_init_register;
File *f_init_register_namespaces;
// the output cpp file
File *f_wrap_cpp;