mirror of
https://github.com/rubyjs/therubyracer
synced 2023-03-27 23:21:42 -04:00
332 lines
13 KiB
C++
332 lines
13 KiB
C++
#include "rr.h"
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#include "v8_handle.h"
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#include "v8_function.h"
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#include "v8_template.h"
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#include "v8_external.h"
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#include "v8_callbacks.h"
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using namespace v8;
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namespace {
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VALUE ObjectTemplateClass;
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VALUE FunctionTemplateClass;
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VALUE rb_hash_lookup(VALUE hash, const char *key) {
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return rb_funcall(hash, rb_intern("[]"), 1, rb_str_new2(key));
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}
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VALUE rb_hash_aset(VALUE hash, const char *key, VALUE value) {
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return ::rb_hash_aset(hash, rb_str_new2(key), value);
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}
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Persistent<Template> tmpl(VALUE self) {
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return rr_v8_handle<Template>(self);
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}
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Persistent<ObjectTemplate> obj(VALUE self) {
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return rr_v8_handle<ObjectTemplate>(self);
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}
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Persistent<FunctionTemplate> func(VALUE self) {
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return rr_v8_handle<FunctionTemplate>(self);
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}
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VALUE Set(VALUE self, VALUE name, VALUE value) {
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HandleScope handles;
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Local<String> key = rr_rb2v8(name)->ToString();
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Persistent<Data> data = rr_v8_handle<Data>(value);
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tmpl(self)->Set(key, data);
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return Qnil;
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}
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Handle<Value> RubyInvocationCallback(const Arguments& args) {
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VALUE code = (VALUE)External::Unwrap(args.Data());
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VALUE rb_args = rr_v82rb(args);
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VALUE result = rb_funcall(code, rb_intern("call"), 1, rb_args);
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return rr_rb2v8(result);
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}
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namespace Obj {
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/**
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* NamedProperty[Getter|Setter] are used as interceptors on object.
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* See ObjectTemplate::SetNamedPropertyHandler.
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*/
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Handle<Value> RubyNamedPropertyGetter(Local<String> property, const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE getter = rb_hash_lookup(code, "getter");
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return rr_rb2v8(rb_funcall(getter, rb_intern("call"), 2, rr_v82rb(property), rr_v82rb(info)));
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}
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/**
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* Returns the value if the setter intercepts the request.
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* Otherwise, returns an empty handle.
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*/
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Handle<Value> RubyNamedPropertySetter(Local<String> property, Local<Value> value, const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE setter = rb_hash_lookup(code, "setter");
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VALUE result = rb_funcall(setter, rb_intern("call"), 3, rr_v82rb(property), rr_v82rb(value), rr_v82rb(info));
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return rr_rb2v8(result);
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}
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/**
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* Returns a non-empty handle if the interceptor intercepts the request.
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* The result is true if the property exists and false otherwise.
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*/
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Handle<Integer> RubyNamedPropertyQuery(Local<String> property, const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE query = rb_hash_lookup(code, "query");
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VALUE result = rb_funcall(query, rb_intern("call"), 2, rr_v82rb(property), rr_v82rb(info));
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Handle<Value> intercepts = rr_rb2v8(result);
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return intercepts.IsEmpty() ? Handle<Integer>() : Integer::New(None);
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}
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/**
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* Returns a non-empty handle if the deleter intercepts the request.
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* The return value is true if the property could be deleted and false
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* otherwise.
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*/
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Handle<Boolean> RubyNamedPropertyDeleter(Local<String> property, const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE deleter = rb_hash_lookup(code, "deleter");
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VALUE result = rb_funcall(deleter, rb_intern("call"), 2, rr_v82rb(property), rr_v82rb(info));
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Handle<Value> intercepts = rr_rb2v8(result);
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return intercepts.IsEmpty() ? Handle<Boolean>() : intercepts->ToBoolean();
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}
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/**
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* Returns an array containing the names of the properties the named
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* property getter intercepts.
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*/
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Handle<Array> RubyNamedPropertyEnumerator(const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE enumerator = rb_hash_lookup(code, "enumerator");
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VALUE result = rb_funcall(enumerator, rb_intern("call"), 1, rr_v82rb(info));
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Handle<Value> v(rr_rb2v8(result));
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if (v.IsEmpty()) {
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return Array::New();
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} else if (!v->IsArray()) {
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Local<Array> a = Array::New();
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a->Set(Integer::New(0), v->ToString());
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return a;
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} else {
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return (Handle<Array>)Array::Cast(*v);
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}
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}
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/**
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* Returns the value of the property if the getter intercepts the
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* request. Otherwise, returns an empty handle.
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*/
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Handle<Value> RubyIndexedPropertyGetter(uint32_t index, const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE getter = rb_hash_lookup(code, "getter");
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VALUE result = rb_funcall(getter, rb_intern("call"), 2, UINT2NUM(index), rr_v82rb(info));
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return rr_rb2v8(result);
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}
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/**
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* Returns the value if the setter intercepts the request.
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* Otherwise, returns an empty handle.
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*/
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Handle<Value> RubyIndexedPropertySetter(uint32_t index, Local<Value> value, const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE setter = rb_hash_lookup(code, "setter");
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VALUE result = rb_funcall(setter, rb_intern("call"), 3, UINT2NUM(index), rr_v82rb(value), rr_v82rb(info));
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return rr_rb2v8(result);
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}
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/**
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* Returns a non-empty handle if the interceptor intercepts the request.
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* The result is true if the property exists and false otherwise.
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*/
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Handle<Integer> RubyIndexedPropertyQuery(uint32_t index, const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE query = rb_hash_lookup(code, "query");
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VALUE result = rb_funcall(query, rb_intern("call"), 2, UINT2NUM(index), rr_v82rb(info));
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Handle<Value> intercepts = rr_rb2v8(result);
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return intercepts.IsEmpty() ? Handle<Integer>() : Integer::New(None);
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}
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/**
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* Returns a non-empty handle if the deleter intercepts the request.
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* The return value is true if the property could be deleted and false
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* otherwise.
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*/
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Handle<Boolean> RubyIndexedPropertyDeleter(uint32_t index, const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE deleter = rb_hash_lookup(code, "deleter");
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VALUE result = rb_funcall(deleter, rb_intern("call"), 2, UINT2NUM(index), rr_v82rb(info));
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Handle<Value> intercepts = rr_rb2v8(result);
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return intercepts.IsEmpty() ? Handle<Boolean>() : intercepts->ToBoolean();
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}
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/**
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* Returns an array containing the indices of the properties the
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* indexed property getter intercepts.
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*/
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Handle<Array> RubyIndexedPropertyEnumerator(const AccessorInfo& info) {
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VALUE code = (VALUE)External::Unwrap(info.Data());
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VALUE enumerator = rb_hash_lookup(code, "enumerator");
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VALUE result = rb_funcall(enumerator, rb_intern("call"), 1, rr_v82rb(info));
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Handle<Value> v(rr_rb2v8(result));
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if (v.IsEmpty()) {
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return Array::New();
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} else if (!v->IsArray()) {
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Local<Array> a = Array::New();
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a->Set(Integer::New(0), v->ToString());
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return a;
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} else {
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return (Handle<Array>)Array::Cast(*v);
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}
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}
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VALUE New(VALUE rbclass) {
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HandleScope handles;
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return rr_v8_handle_new(rbclass, ObjectTemplate::New());
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}
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VALUE NewInstance(VALUE self) {
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HandleScope scope;
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if (!Context::InContext()) {
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rb_raise(rb_eScriptError, "ObjectTemplate::NewInstance() called without an entered Context");
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return Qnil;
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}
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Local<Object> object(obj(self)->NewInstance());
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if (object.IsEmpty()) {
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rb_raise(rb_eFatal, "V8 returned empty handle on call to ObjectTemplate::NewInstance()");
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return Qnil;
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}
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return rr_v82rb(object);
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}
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VALUE SetNamedPropertyHandler(VALUE self, VALUE getter, VALUE setter, VALUE query, VALUE deleter, VALUE enumerator) {
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HandleScope handles;
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if (!RTEST(getter)) {
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rb_raise(rb_eArgError, "you must supply at least a getter to V8::C::ObjectTemplate#SetNamedPropertyHandler()");
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return Qnil;
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}
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VALUE data = rb_hash_new();
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rb_hash_aset(data, "getter", getter);
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rb_hash_aset(data, "setter", setter);
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rb_hash_aset(data, "query", query);
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rb_hash_aset(data, "deleter", deleter);
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rb_hash_aset(data, "enumerator", enumerator);
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//TODO: Make sure we retain this reference.
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// rr_v8_ref_setref(self, "data", data);
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obj(self)->SetNamedPropertyHandler(
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RubyNamedPropertyGetter,
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RTEST(setter) ? RubyNamedPropertySetter : 0,
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RTEST(query) ? RubyNamedPropertyQuery : 0,
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RTEST(deleter) ? RubyNamedPropertyDeleter : 0,
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RTEST(enumerator) ? RubyNamedPropertyEnumerator : 0,
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rr_v8_external_create(data)
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);
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return Qnil;
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}
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VALUE SetIndexedPropertyHandler(VALUE self, VALUE getter, VALUE setter, VALUE query, VALUE deleter, VALUE enumerator) {
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HandleScope scope;
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if (!RTEST(getter)) {
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rb_raise(rb_eArgError, "you must supply at least a getter to V8::C::ObjectTemplate#SetNamedPropertyHandler()");
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return Qnil;
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}
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VALUE data = rb_hash_new();
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rb_hash_aset(data, "getter", getter);
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rb_hash_aset(data, "setter", setter);
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rb_hash_aset(data, "query", query);
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rb_hash_aset(data, "deleter", deleter);
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rb_hash_aset(data, "enumerator", enumerator);
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//TODO: is this really necessary?
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//rr_v8_ref_setref(self, "data", data);
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obj(self)->SetIndexedPropertyHandler(
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RubyIndexedPropertyGetter,
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RTEST(setter) ? RubyIndexedPropertySetter : 0,
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RTEST(query) ? RubyIndexedPropertyQuery : 0,
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RTEST(deleter) ? RubyIndexedPropertyDeleter : 0,
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RTEST(enumerator) ? RubyIndexedPropertyEnumerator : 0,
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rr_v8_external_create(data)
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);
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return Qnil;
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}
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VALUE SetCallAsFunctionHandler(VALUE self) {
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HandleScope scope;
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VALUE code = rb_block_proc();
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if (NIL_P(code)) {
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return Qnil;
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}
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obj(self)->SetCallAsFunctionHandler(RubyInvocationCallback, rr_v8_external_create(code));
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return Qnil;
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}
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}
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namespace Func {
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VALUE New(VALUE function_template) {
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HandleScope handles;
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VALUE code = rb_block_proc();
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if (NIL_P(code)) {
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return Qnil;
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}
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Local<FunctionTemplate> templ = FunctionTemplate::New(RubyInvocationCallback, rr_v8_external_create(code));
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VALUE ref = rr_v8_handle_new(function_template,templ);
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//TODO: make sure that this reference is retained, if necessary.
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// rr_v8_ref_setref(ref, "code", code);
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return ref;
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}
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VALUE SetCallHandler(VALUE self) {
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HandleScope handles;
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VALUE code = rb_block_proc();
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if (NIL_P(code)) {
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return Qnil;
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}
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func(self)->SetCallHandler(RubyInvocationCallback, rr_v8_external_create(code));
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return Qnil;
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}
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VALUE PrototypeTemplate(VALUE self) {
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HandleScope scope;
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return rr_v8_handle_new(ObjectTemplateClass, func(self)->PrototypeTemplate());
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}
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VALUE InstanceTemplate(VALUE self) {
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HandleScope scope;
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return rr_v8_handle_new(ObjectTemplateClass, func(self)->InstanceTemplate());
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}
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VALUE Inherit(VALUE self, VALUE function_template) {
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HandleScope scope;
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func(self)->Inherit(func(function_template));
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return Qnil;
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}
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VALUE SetClassName(VALUE self, VALUE name) {
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HandleScope scope;
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func(self)->SetClassName(rr_rb2v8(name)->ToString());
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return Qnil;
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}
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VALUE GetFunction(VALUE self) {
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HandleScope handles;
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if (!Context::InContext()) {
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rb_raise(rb_eScriptError, "calls to FunctionTemplate::GetFunction() require a Context to be entered");
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return Qnil;
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}
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return rr_v82rb(func(self)->GetFunction());
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}
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}
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}
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void rr_init_template() {
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VALUE Template = rr_define_class("Template", rr_v8_handle_class());
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rr_define_method(Template, "Set", Set, 2);
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ObjectTemplateClass = rr_define_class("ObjectTemplate", Template);
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rr_define_singleton_method(ObjectTemplateClass, "New", Obj::New, 0);
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rr_define_method(ObjectTemplateClass, "NewInstance", Obj::NewInstance, 0);
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rr_define_method(ObjectTemplateClass, "SetNamedPropertyHandler", Obj::SetNamedPropertyHandler, 5);
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rr_define_method(ObjectTemplateClass, "SetIndexedPropertyHandler", Obj::SetIndexedPropertyHandler, 5);
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rr_define_method(ObjectTemplateClass, "SetCallAsFunctionHandler", Obj::SetCallAsFunctionHandler, 0);
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FunctionTemplateClass = rr_define_class("FunctionTemplate", Template);
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rr_define_singleton_method(FunctionTemplateClass, "New", Func::New, 0);
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rr_define_method(FunctionTemplateClass, "SetCallHandler", Func::SetCallHandler, 0);
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rr_define_method(FunctionTemplateClass, "PrototypeTemplate", Func::PrototypeTemplate, 0);
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rr_define_method(FunctionTemplateClass, "InstanceTemplate", Func::InstanceTemplate, 0);
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rr_define_method(FunctionTemplateClass, "Inherit", Func::Inherit, 1);
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rr_define_method(FunctionTemplateClass, "SetClassName", Func::SetClassName, 1);
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rr_define_method(FunctionTemplateClass, "GetFunction", Func::GetFunction, 0);
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}
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