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carbon-lang/toolchain/semantics/semantics_ir.cpp
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Jon Ross-Perkins a1f2d6341f Switch SemanticsIR dumps to produce YAML (#2517)
The parser and lexer already produce YAML, so this is fundamentally a consistency issue. I've been thinking about this, and was looking again because I'm working on adding callables, and figured I'd just fix it now.
2023-01-18 17:43:17 -08:00

118 lines
4.2 KiB
C++

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "toolchain/semantics/semantics_ir.h"
#include "common/check.h"
#include "toolchain/parser/parse_tree_node_location_translator.h"
#include "toolchain/semantics/semantics_builtin_kind.h"
#include "toolchain/semantics/semantics_node.h"
#include "toolchain/semantics/semantics_parse_tree_handler.h"
namespace Carbon {
auto SemanticsIR::MakeBuiltinIR() -> SemanticsIR {
SemanticsIR semantics(/*builtin_ir=*/nullptr);
auto block_id = semantics.AddNodeBlock();
semantics.nodes_.reserve(SemanticsBuiltinKind::ValidCount);
constexpr int32_t TypeOfTypeType = 0;
auto type_type = semantics.AddNode(
block_id, SemanticsNode::MakeBuiltin(SemanticsBuiltinKind::TypeType,
SemanticsNodeId(TypeOfTypeType)));
CARBON_CHECK(type_type.index == TypeOfTypeType)
<< "TypeType's type must be self-referential.";
constexpr int32_t TypeOfInvalidType = 1;
auto invalid_type = semantics.AddNode(
block_id, SemanticsNode::MakeBuiltin(SemanticsBuiltinKind::InvalidType,
SemanticsNodeId(TypeOfInvalidType)));
CARBON_CHECK(invalid_type.index == TypeOfInvalidType)
<< "InvalidType's type must be self-referential.";
semantics.AddNode(
block_id,
SemanticsNode::MakeBuiltin(SemanticsBuiltinKind::IntegerType, type_type));
semantics.AddNode(block_id, SemanticsNode::MakeBuiltin(
SemanticsBuiltinKind::RealType, type_type));
CARBON_CHECK(semantics.node_blocks_.size() == 1)
<< "BuildBuiltins should only produce 1 block, actual: "
<< semantics.node_blocks_.size();
return semantics;
}
auto SemanticsIR::MakeFromParseTree(const SemanticsIR& builtin_ir,
const TokenizedBuffer& tokens,
const ParseTree& parse_tree,
DiagnosticConsumer& consumer,
llvm::raw_ostream* vlog_stream)
-> SemanticsIR {
SemanticsIR semantics(&builtin_ir);
// Copy builtins over.
semantics.nodes_.resize_for_overwrite(SemanticsBuiltinKind::ValidCount);
static constexpr auto BuiltinIR = SemanticsCrossReferenceIRId(0);
for (int i = 0; i < SemanticsBuiltinKind::ValidCount; ++i) {
// We can reuse the type node ID because the offsets of cross-references
// will be the same in this IR.
auto type = builtin_ir.nodes_[i].type();
semantics.nodes_[i] =
SemanticsNode::MakeCrossReference(type, BuiltinIR, SemanticsNodeId(i));
}
ParseTreeNodeLocationTranslator translator(&tokens, &parse_tree);
ErrorTrackingDiagnosticConsumer err_tracker(consumer);
DiagnosticEmitter<ParseTree::Node> emitter(translator, err_tracker);
SemanticsParseTreeHandler(tokens, emitter, parse_tree, semantics, vlog_stream)
.Build();
semantics.has_errors_ = err_tracker.seen_error();
return semantics;
}
auto SemanticsIR::Print(llvm::raw_ostream& out) const -> void {
constexpr int Indent = 2;
out << "cross_reference_irs_size: " << cross_reference_irs_.size() << "\n";
out << "integer_literals: [\n";
for (int32_t i = 0; i < static_cast<int32_t>(integer_literals_.size()); ++i) {
out.indent(Indent);
out << integer_literals_[i] << ",\n";
}
out << "]\n";
out << "strings: [\n";
for (int32_t i = 0; i < static_cast<int32_t>(strings_.size()); ++i) {
out.indent(Indent);
out << strings_[i] << ",\n";
}
out << "]\n";
out << "nodes: [\n";
for (int32_t i = 0; i < static_cast<int32_t>(nodes_.size()); ++i) {
out.indent(Indent);
out << nodes_[i] << ",\n";
}
out << "]\n";
out << "node_blocks: [\n";
for (int32_t i = 0; i < static_cast<int32_t>(node_blocks_.size()); ++i) {
out.indent(Indent);
out << "[\n";
const auto& node_block = node_blocks_[i];
for (int32_t i = 0; i < static_cast<int32_t>(node_block.size()); ++i) {
out.indent(2 * Indent);
out << node_block[i] << ",\n";
}
out.indent(Indent);
out << "],\n";
}
out << "]\n";
}
} // namespace Carbon