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LibJS: Add all the Error subclasses

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This patch adds instance, constructor and prototype classes for:

    - EvalError
    - InternalError
    - RangeError
    - ReferenceError
    - SyntaxError
    - TypeError
    - URIError

Enumerator macros are used to reduce the amount of typing. :^)
This commit is contained in:
Andreas Kling 2020-04-10 12:42:33 +02:00
parent df7b617ba1
commit 58ab76269c
11 changed files with 157 additions and 7 deletions
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24
Libraries/LibJS/Runtime/ErrorConstructor.cpp
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@ -53,4 +53,28 @@ Value ErrorConstructor::construct(Interpreter& interpreter)
return interpreter.heap().allocate<Error>("Error", message);
}
#define DEFINE_ERROR_SUBCLASS_CONSTRUCTOR(TitleCase, snake_case) \
TitleCase##Constructor::TitleCase##Constructor() \
{ \
put("prototype", interpreter().snake_case##_prototype()); \
put("length", Value(1)); \
} \
TitleCase##Constructor::~TitleCase##Constructor() {} \
Value TitleCase##Constructor::call(Interpreter& interpreter) \
{ \
return construct(interpreter); \
} \
Value TitleCase##Constructor::construct(Interpreter& interpreter) \
{ \
String message = ""; \
if (!interpreter.call_frame().arguments.is_empty() && !interpreter.call_frame().arguments[0].is_undefined()) \
message = interpreter.call_frame().arguments[0].to_string(); \
return interpreter.heap().allocate<TitleCase>(message); \
}
#define __JS_ENUMERATE_ERROR_SUBCLASS(TitleCase, snake_case) \
DEFINE_ERROR_SUBCLASS_CONSTRUCTOR(TitleCase, snake_case)
JS_ENUMERATE_ERROR_SUBCLASSES
#undef __JS_ENUMERATE_ERROR_SUBCLASS
}