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59 lines
2.0 KiB
C++
59 lines
2.0 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_factory.h"
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#include "common/check.h"
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#include "llvm/Support/FormatVariadic.h"
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#include "toolchain/lexer/tokenized_buffer.h"
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#include "toolchain/parser/parse_node_kind.h"
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namespace Carbon {
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auto SemanticsIRFactory::Build(const ParseTree& parse_tree) -> SemanticsIR {
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SemanticsIRFactory builder(parse_tree);
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builder.ProcessRoots();
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return builder.semantics_;
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}
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void SemanticsIRFactory::ProcessRoots() {
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for (ParseTree::Node node : semantics_.parse_tree_->roots()) {
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switch (semantics_.parse_tree_->node_kind(node)) {
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case ParseNodeKind::FunctionDeclaration():
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ProcessFunctionNode(semantics_.root_block_, node);
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break;
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case ParseNodeKind::FileEnd():
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// No action needed.
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break;
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default:
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FATAL() << "Unhandled node kind: "
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<< semantics_.parse_tree_->node_kind(node).name();
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}
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}
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}
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void SemanticsIRFactory::ProcessFunctionNode(SemanticsIR::Block& block,
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ParseTree::Node decl_node) {
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llvm::Optional<Semantics::Function> fn;
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for (ParseTree::Node node : semantics_.parse_tree_->children(decl_node)) {
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switch (semantics_.parse_tree_->node_kind(node)) {
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case ParseNodeKind::DeclaredName():
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fn = semantics_.AddFunction(block, decl_node, node);
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break;
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case ParseNodeKind::ParameterList():
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// TODO: Maybe something like Semantics::AddVariable passed to
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// Function::AddParameter.
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break;
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case ParseNodeKind::CodeBlock():
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// TODO: Should accumulate the definition into the code block.
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break;
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default:
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FATAL() << "Unhandled node kind: "
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<< semantics_.parse_tree_->node_kind(node).name();
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}
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}
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}
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} // namespace Carbon
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