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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/compiler/node-origin-table.h"
#include "src/compiler/graph.h"
#include "src/compiler/node-aux-data.h"
namespace v8 {
namespace internal {
namespace compiler {
void NodeOrigin::PrintJson(std::ostream& out) const {
out << "{ ";
switch (origin_kind_) {
case kGraphNode:
out << "\"nodeId\" : ";
break;
case kWasmBytecode:
case kJSBytecode:
out << "\"bytecodePosition\" : ";
break;
}
out << created_from();
out << ", \"reducer\" : \"" << reducer_name() << "\"";
out << ", \"phase\" : \"" << phase_name() << "\"";
out << "}";
}
class NodeOriginTable::Decorator final : public GraphDecorator {
public:
explicit Decorator(NodeOriginTable* origins) : origins_(origins) {}
void Decorate(Node* node) final {
origins_->SetNodeOrigin(node, origins_->current_origin_);
}
private:
NodeOriginTable* origins_;
};
NodeOriginTable::NodeOriginTable(Graph* graph)
: graph_(graph),
decorator_(nullptr),
current_origin_(NodeOrigin::Unknown()),
current_bytecode_position_(0),
current_phase_name_("unknown"),
table_(graph->zone()) {}
void NodeOriginTable::AddDecorator() {
DCHECK_NULL(decorator_);
decorator_ = graph_->zone()->New<Decorator>(this);
graph_->AddDecorator(decorator_);
}
void NodeOriginTable::RemoveDecorator() {
DCHECK_NOT_NULL(decorator_);
graph_->RemoveDecorator(decorator_);
decorator_ = nullptr;
}
NodeOrigin NodeOriginTable::GetNodeOrigin(Node* node) const {
return table_.Get(node);
}
NodeOrigin NodeOriginTable::GetNodeOrigin(NodeId id) const {
return table_.Get(id);
}
void NodeOriginTable::SetNodeOrigin(Node* node, const NodeOrigin& no) {
table_.Set(node, no);
}
void NodeOriginTable::SetNodeOrigin(NodeId id, NodeId origin) {
table_.Set(id, NodeOrigin(current_phase_name_, "", origin));
}
void NodeOriginTable::SetNodeOrigin(NodeId id, NodeOrigin::OriginKind kind,
NodeId origin) {
table_.Set(id, NodeOrigin(current_phase_name_, "", kind, origin));
}
void NodeOriginTable::PrintJson(std::ostream& os) const {
os << "{";
bool needs_comma = false;
for (auto i : table_) {
NodeOrigin no = i.second;
if (no.IsKnown()) {
if (needs_comma) {
os << ",";
}
os << "\"" << i.first << "\""
<< ": ";
no.PrintJson(os);
needs_comma = true;
}
}
os << "}";
}
} // namespace compiler
} // namespace internal
} // namespace v8
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