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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-PerkinsandRichard Smith
f7924aa93f
This adds tracking of call information plus basic type checking. It adds a builtin for the empty tuple, mainly so that I have the basis for a default function return type. As an aside, it also unifies printing within SemanticsIR, fixing a missing comma after callables. Co-authored-by: Richard Smith <richard@metafoo.co.uk>
100 lines
3.5 KiB
C++
100 lines
3.5 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include "toolchain/semantics/semantics_ir.h"
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#include "common/check.h"
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#include "toolchain/parser/parse_tree_node_location_translator.h"
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#include "toolchain/semantics/semantics_builtin_kind.h"
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#include "toolchain/semantics/semantics_node.h"
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#include "toolchain/semantics/semantics_parse_tree_handler.h"
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namespace Carbon {
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auto SemanticsIR::MakeBuiltinIR() -> SemanticsIR {
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SemanticsIR semantics(/*builtin_ir=*/nullptr);
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semantics.nodes_.reserve(SemanticsBuiltinKind::ValidCount);
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#define CARBON_SEMANTICS_BUILTIN_KIND(Name, Type) \
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semantics.nodes_.push_back(SemanticsNode::MakeBuiltin( \
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SemanticsBuiltinKind::Name, SemanticsNodeId::Builtin##Type));
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#include "toolchain/semantics/semantics_builtin_kind.def"
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CARBON_CHECK(semantics.node_blocks_.size() == 1)
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<< "BuildBuiltins should only have the empty block, actual: "
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<< semantics.node_blocks_.size();
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CARBON_CHECK(semantics.nodes_.size() == SemanticsBuiltinKind::ValidCount)
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<< "BuildBuiltins should produce " << SemanticsBuiltinKind::ValidCount
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<< " nodes, actual: " << semantics.nodes_.size();
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return semantics;
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}
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auto SemanticsIR::MakeFromParseTree(const SemanticsIR& builtin_ir,
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const TokenizedBuffer& tokens,
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const ParseTree& parse_tree,
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DiagnosticConsumer& consumer,
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llvm::raw_ostream* vlog_stream)
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-> SemanticsIR {
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SemanticsIR semantics(&builtin_ir);
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// Copy builtins over.
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semantics.nodes_.resize_for_overwrite(SemanticsBuiltinKind::ValidCount);
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static constexpr auto BuiltinIR = SemanticsCrossReferenceIRId(0);
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for (int i = 0; i < SemanticsBuiltinKind::ValidCount; ++i) {
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// We can reuse the type node ID because the offsets of cross-references
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// will be the same in this IR.
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auto type = builtin_ir.nodes_[i].type();
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semantics.nodes_[i] =
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SemanticsNode::MakeCrossReference(type, BuiltinIR, SemanticsNodeId(i));
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}
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ParseTreeNodeLocationTranslator translator(&tokens, &parse_tree);
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ErrorTrackingDiagnosticConsumer err_tracker(consumer);
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DiagnosticEmitter<ParseTree::Node> emitter(translator, err_tracker);
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SemanticsParseTreeHandler(tokens, emitter, parse_tree, semantics, vlog_stream)
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.Build();
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semantics.has_errors_ = err_tracker.seen_error();
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return semantics;
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}
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static constexpr int Indent = 2;
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template <typename T>
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static auto PrintList(llvm::raw_ostream& out, llvm::StringLiteral name,
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const llvm::SmallVector<T>& list) {
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out << name << ": [\n";
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for (const auto& element : list) {
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out.indent(Indent);
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out << element << ",\n";
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}
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out << "]\n";
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}
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auto SemanticsIR::Print(llvm::raw_ostream& out) const -> void {
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out << "cross_reference_irs_size: " << cross_reference_irs_.size() << "\n";
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PrintList(out, "calls", calls_);
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PrintList(out, "callables", callables_);
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PrintList(out, "integer_literals", integer_literals_);
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PrintList(out, "real_literals", real_literals_);
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PrintList(out, "strings", strings_);
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PrintList(out, "nodes", nodes_);
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out << "node_blocks: [\n";
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for (const auto& node_block : node_blocks_) {
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out.indent(Indent);
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out << "[\n";
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for (const auto& node : node_block) {
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out.indent(2 * Indent);
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out << node << ",\n";
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}
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out.indent(Indent);
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out << "],\n";
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}
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out << "]\n";
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}
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} // namespace Carbon
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