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serenity/Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Function.h
Dan Klishch 483e195e48 JSSpecCompiler: Store arguments in declaration instead of definition
And create a struct encapsulating argument name in the preparation for
argument types and optional arguments.
2024-01-21 14:57:10 -07:00

79 lines
2.3 KiB
C++

/*
* Copyright (c) 2023, Dan Klishch <danilklishch@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include <AK/RefCounted.h>
#include <AK/RefPtr.h>
#include <AK/StringView.h>
#include "DiagnosticEngine.h"
#include "Forward.h"
namespace JSSpecCompiler {
class TranslationUnit {
public:
TranslationUnit(StringView filename);
~TranslationUnit();
void adopt_declaration(NonnullRefPtr<FunctionDeclaration>&& declaration);
FunctionDefinitionRef adopt_function(NonnullRefPtr<FunctionDefinition>&& definition);
FunctionDeclarationRef find_declaration_by_name(StringView name) const;
StringView filename() const { return m_filename; }
DiagnosticEngine& diag() { return m_diagnostic_engine; }
Vector<FunctionDefinitionRef> functions_to_compile() const { return m_functions_to_compile; }
private:
StringView m_filename;
DiagnosticEngine m_diagnostic_engine;
Vector<FunctionDefinitionRef> m_functions_to_compile;
Vector<NonnullRefPtr<FunctionDeclaration>> m_declarations_owner;
HashMap<StringView, FunctionDeclarationRef> m_function_index;
};
struct FunctionArgument {
StringView name;
};
class FunctionDeclaration : public RefCounted<FunctionDeclaration> {
public:
FunctionDeclaration(StringView name, Vector<FunctionArgument>&& arguments);
virtual ~FunctionDeclaration() = default;
TranslationUnitRef m_translation_unit = nullptr;
StringView m_name;
Vector<FunctionArgument> m_arguments;
};
class FunctionDefinition : public FunctionDeclaration {
public:
FunctionDefinition(StringView name, Tree ast, Vector<FunctionArgument>&& arguments);
void reindex_ssa_variables();
Tree m_ast;
// Populates during reference resolving
// NOTE: The hash map here is ordered since we do not want random hash changes to break our test
// expectations (looking at you, SipHash).
OrderedHashMap<StringView, NamedVariableDeclarationRef> m_local_variables;
// Fields populate during CFG building
NamedVariableDeclarationRef m_named_return_value;
RefPtr<ControlFlowGraph> m_cfg;
// Fields populate during SSA building
Vector<SSAVariableDeclarationRef> m_ssa_arguments;
SSAVariableDeclarationRef m_return_value;
Vector<SSAVariableDeclarationRef> m_local_ssa_variables;
};
}