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phpv8/v8js_generator_export.cc
2018-09-13 14:01:15 +02:00

76 lines
2.4 KiB
C++

/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 2016 The PHP Group |
+----------------------------------------------------------------------+
| http://www.opensource.org/licenses/mit-license.php MIT License |
+----------------------------------------------------------------------+
| Author: Stefan Siegl <stesie@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include "php_v8js_macros.h"
v8::Local<v8::Value> v8js_wrap_generator(v8::Isolate *isolate, v8::Local<v8::Value> wrapped_object) /* {{{ */
{
v8::Local<v8::Value> result;
assert(!wrapped_object.IsEmpty());
assert(wrapped_object->IsObject());
v8js_ctx *ctx = (v8js_ctx *) isolate->GetData(0);
v8::Local<v8::Context> v8_context = v8::Local<v8::Context>::New(isolate, ctx->context);
v8::TryCatch try_catch(isolate);
v8::Local<v8::String> source = V8JS_SYM("(\
function(wrapped_object) { \
return (function*() { \
for(;;) { \
if(!wrapped_object.valid()) { \
return; \
} \
yield wrapped_object.current(); \
wrapped_object.next(); \
} \
})(); \
})");
v8::MaybeLocal<v8::Script> script = v8::Script::Compile(v8_context, source);
if(script.IsEmpty()) {
zend_error(E_ERROR, "Failed to compile Generator object wrapper");
return result;
}
v8::MaybeLocal<v8::Value> wrapper_fn_val = script.ToLocalChecked()->Run(v8_context);
if(wrapper_fn_val.IsEmpty() || !wrapper_fn_val.ToLocalChecked()->IsFunction()) {
zend_error(E_ERROR, "Failed to create Generator object wrapper function");
return result;
}
v8::Local<v8::Function> wrapper_fn = v8::Local<v8::Function>::Cast(wrapper_fn_val.ToLocalChecked());
v8::Local<v8::Value> *jsArgv = static_cast<v8::Local<v8::Value> *>(alloca(sizeof(v8::Local<v8::Value>)));
new(&jsArgv[0]) v8::Local<v8::Value>;
jsArgv[0] = v8::Local<v8::Value>::New(isolate, wrapped_object);
wrapper_fn->Call(v8_context, V8JS_GLOBAL(isolate), 1, jsArgv).ToLocal(&result);
return result;
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/