mirror of
https://github.com/xtjoeytx/GServer-v2.git
synced 2026-05-06 23:59:39 -04:00
John Norman
91 lines
4.4 KiB
C++
91 lines
4.4 KiB
C++
#ifndef V8SCRIPTUTILS_H
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#define V8SCRIPTUTILS_H
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#include <v8.h>
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// Throw an exception if the function was called with new Function();
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#define V8ENV_THROW_CONSTRUCTOR(args, isolate) \
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if (args.IsConstructCall()) \
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{ \
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isolate->ThrowException(v8::String::NewFromUtf8Literal(isolate, \
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"Cannot call function as a constructor.")); \
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return; \
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}
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// Throw an exception if a constructor was called with Function();
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#define V8ENV_THROW_METHOD(args, isolate) \
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if (!args.IsConstructCall()) \
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{ \
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isolate->ThrowException(v8::String::NewFromUtf8Literal(isolate, \
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"Cannot call constructor as a function.")); \
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return; \
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}
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// Throw an exception if we didn't receive the correct amount of arguments
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#define V8ENV_THROW_ARGCOUNT(args, isolate, required_args) \
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if (args.Length() != required_args) \
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{ \
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isolate->ThrowException(v8::String::NewFromUtf8(isolate, \
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std::string("Cannot call function with ") \
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.append(std::to_string(args.Length())) \
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.append(" arguments, required " #required_args) \
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.c_str()) \
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.ToLocalChecked()); \
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return; \
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}
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// Throw an exception if we receive less than the minimum amount of arguments
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#define V8ENV_THROW_MINARGCOUNT(args, isolate, required_args) \
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if (args.Length() < required_args) \
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{ \
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isolate->ThrowException(v8::String::NewFromUtf8(isolate, \
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std::string("Cannot call function with ") \
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.append(std::to_string(args.Length())) \
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.append(" arguments, required " #required_args) \
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.c_str()) \
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.ToLocalChecked()); \
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return; \
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}
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// Unwrap an object, and validate the pointer
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#define V8ENV_SAFE_UNWRAP(ARGS, TYPE, VAR_NAME) \
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TYPE* VAR_NAME = unwrapObject<TYPE>(ARGS.This()); \
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if (!VAR_NAME) \
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{ \
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return; \
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}
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template<class TypeName>
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inline v8::Local<TypeName> persistentToLocal(v8::Isolate* isolate, const v8::Persistent<TypeName>& persistent)
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{
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if (persistent.IsWeak())
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{
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return v8::Local<TypeName>::New(isolate, persistent);
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}
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else
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{
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return *reinterpret_cast<v8::Local<TypeName>*>(const_cast<v8::Persistent<TypeName>*>(&persistent));
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}
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}
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template<class TypeName>
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inline v8::Local<TypeName> globalPersistentToLocal(v8::Isolate* isolate, const v8::Global<TypeName>& persistent)
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{
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if (persistent.IsWeak())
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{
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return v8::Local<TypeName>::New(isolate, persistent);
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}
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else
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{
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return *reinterpret_cast<v8::Local<TypeName>*>(const_cast<v8::Global<TypeName>*>(&persistent));
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}
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}
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template<class Type>
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inline Type* unwrapObject(v8::Local<v8::Object> self)
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{
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return static_cast<Type*>(self->GetAlignedPointerFromInternalField(0));
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}
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#endif
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