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JSSpecCompiler: Add function call canonicalization pass

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It simplifies ladders of BinaryOperators nodes in the function call
arguments into nice and neat FunctionCall node. Ladders initially appear
since I do not want to complicate expression parser, so it interprets
`f(a, b, c, d)` as `f "function_call_operator" (a, (b, (c, d))))`.
This commit is contained in:
Dan Klishch 2023-08-18 13:12:53 -04:00 • committed by Andrew Kaster
parent 1c4cd34320
commit 72794e7843
4 changed files with 71 additions and 2 deletions
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26
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Compiler/FunctionCallCanonicalizationPass.h Normal file
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/*
* Copyright (c) 2023, Dan Klishch <danilklishch@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Compiler/GenericASTPass.h"
namespace JSSpecCompiler {
// FunctionCallCanonicalizationPass simplifies ladders of BinaryOperators nodes in the function call
// arguments into nice and neat FunctionCall nodes.
//
// Ladders initially appear since I do not want to complicate expression parser, so it interprets
// `f(a, b, c, d)` as `f "function_call_operator" (a, (b, (c, d))))`.
class FunctionCallCanonicalizationPass : public GenericASTPass {
public:
using GenericASTPass::GenericASTPass;
protected:
RecursionDecision on_entry(Tree tree) override;
};
}