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serenity/Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Compiler/ControlFlowGraph.cpp
Dan Klishch 0aeb7a26e9 JSSpecCompiler: Prepare for building SSA
This commit introduces NamedVariableDeclaration and
SSAVariableDeclaration and allows storing both of them in Variable node.
Also, it adds additional structures in FunctionDefinition and
BasicBlock, which will be used to store SSA form related information.
2024-01-04 12:06:56 -07:00

39 lines
1.2 KiB
C++

/*
* Copyright (c) 2023, Dan Klishch <danilklishch@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include "AST/AST.h"
#include "Compiler/ControlFlowGraph.h"
using namespace JSSpecCompiler;
ErrorOr<void> AK::Formatter<ControlFlowGraph>::format(FormatBuilder& format_builder, ControlFlowGraph const& control_flow_graph)
{
auto& builder = format_builder.builder();
for (auto const& block : control_flow_graph.blocks) {
builder.appendff("{}:\n", block->m_index);
for (auto const& phi_node : block->m_phi_nodes) {
builder.appendff("{} = phi(", phi_node.var->name());
for (auto const& branches : phi_node.branches) {
builder.appendff("{}: {}", branches.block->m_index, branches.value->name());
if (&branches != &phi_node.branches.last())
builder.appendff(", ");
}
builder.appendff(")\n");
}
for (auto const& expression : block->m_expressions)
builder.appendff("{}", expression);
builder.appendff("{}\n", Tree(block->m_continuation));
}
// Remove trailing \n
builder.trim(1);
return {};
}