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LibCpp: Use fast_is<T> and verify_cast<T> to replace C-style casts

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Thanks to @alimpfard for suggesting this :)
This commit is contained in:
Itamar 2021-07-10 15:17:08 +03:00 • committed by Andreas Kling
parent 34fc6c7e1c
commit b5a02b180c
2 changed files with 56 additions and 19 deletions
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39
Userland/Libraries/LibCpp/AST.h
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@ -11,6 +11,7 @@
#include <AK/Optional.h>
#include <AK/RefCounted.h>
#include <AK/String.h>
#include <AK/TypeCasts.h>
#include <AK/Vector.h>
#include <LibCpp/Lexer.h>
@ -31,6 +32,9 @@ public:
virtual const char* class_name() const = 0;
virtual void dump(FILE* = stdout, size_t indent = 0) const;
template<typename T>
bool fast_is() const = delete;
ASTNode* parent() const { return m_parent; }
Position start() const
{
@ -547,7 +551,6 @@ public:
virtual const char* class_name() const override { return "FunctionCall"; }
virtual void dump(FILE* = stdout, size_t indent = 0) const override;
virtual bool is_function_call() const override { return true; }
virtual bool is_templatized() const { return false; }
const Expression* callee() const { return m_callee.ptr(); }
void set_callee(RefPtr<Expression>&& callee) { m_callee = move(callee); }
@ -911,4 +914,38 @@ public:
}
};
template<>
inline bool ASTNode::fast_is<Identifier>() const { return is_identifier(); }
template<>
inline bool ASTNode::fast_is<MemberExpression>() const { return is_member_expression(); }
template<>
inline bool ASTNode::fast_is<VariableOrParameterDeclaration>() const { return is_variable_or_parameter_declaration(); }
template<>
inline bool ASTNode::fast_is<FunctionCall>() const { return is_function_call(); }
template<>
inline bool ASTNode::fast_is<Type>() const { return is_type(); }
template<>
inline bool ASTNode::fast_is<Declaration>() const { return is_declaration(); }
template<>
inline bool ASTNode::fast_is<Name>() const { return is_name(); }
template<>
inline bool ASTNode::fast_is<DummyAstNode>() const { return is_dummy_node(); }
template<>
inline bool ASTNode::fast_is<VariableDeclaration>() const { return is_declaration() && verify_cast<Declaration>(*this).is_variable_declaration(); }
template<>
inline bool ASTNode::fast_is<StructOrClassDeclaration>() const { return is_declaration() && verify_cast<Declaration>(*this).is_struct_or_class(); }
template<>
inline bool ASTNode::fast_is<FunctionDeclaration>() const { return is_declaration() && verify_cast<Declaration>(*this).is_function(); }
template<>
inline bool ASTNode::fast_is<NamespaceDeclaration>() const { return is_declaration() && verify_cast<Declaration>(*this).is_namespace(); }
template<>
inline bool ASTNode::fast_is<Constructor>() const { return is_declaration() && verify_cast<Declaration>(*this).is_function() && verify_cast<FunctionDeclaration>(*this).is_constructor(); }
template<>
inline bool ASTNode::fast_is<Destructor>() const { return is_declaration() && verify_cast<Declaration>(*this).is_function() && verify_cast<FunctionDeclaration>(*this).is_destructor(); }
template<>
inline bool ASTNode::fast_is<NamedType>() const { return is_type() && verify_cast<Type>(*this).is_named_type(); }
template<>
inline bool ASTNode::fast_is<TemplatizedName>() const { return is_name() && verify_cast<Name>(*this).is_templatized(); }
}