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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
1c748c0f14
Continuing along with #3070. Note this is just a file rename, with BUILD edits; every file previously in semantics/ should show as moved (except maybe BUILDs, which split).
75 lines
2.6 KiB
C++
75 lines
2.6 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 <utility>
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#include "toolchain/check/context.h"
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namespace Carbon::Check {
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auto HandleParenExpression(Context& context, Parse::Node parse_node) -> bool {
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auto value_id = context.node_stack().PopExpression();
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// ParamOrArgStart was called for tuple handling; clean up the ParamOrArg
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// support for non-tuple cases.
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context.ParamOrArgEnd(
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/*for_args=*/true, Parse::NodeKind::ParenExpressionOrTupleLiteralStart);
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context.node_stack()
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.PopAndDiscardSoloParseNode<
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Parse::NodeKind::ParenExpressionOrTupleLiteralStart>();
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context.node_stack().Push(parse_node, value_id);
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return true;
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}
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auto HandleParenExpressionOrTupleLiteralStart(Context& context,
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Parse::Node parse_node) -> bool {
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context.node_stack().Push(parse_node);
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context.ParamOrArgStart();
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return true;
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}
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static auto HandleTupleLiteralElement(Context& context) -> void {
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// Convert the operand to a value.
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// TODO: We need to decide how tuple literals interact with expression
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// categories.
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auto [value_node, value_id] =
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context.node_stack().PopExpressionWithParseNode();
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value_id = context.ConvertToValueExpression(value_id);
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context.node_stack().Push(value_node, value_id);
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}
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auto HandleTupleLiteralComma(Context& context, Parse::Node /*parse_node*/)
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-> bool {
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HandleTupleLiteralElement(context);
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context.ParamOrArgComma(/*for_args=*/true);
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return true;
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}
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auto HandleTupleLiteral(Context& context, Parse::Node parse_node) -> bool {
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if (context.parse_tree().node_kind(context.node_stack().PeekParseNode()) !=
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Parse::NodeKind::ParenExpressionOrTupleLiteralStart) {
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HandleTupleLiteralElement(context);
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}
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auto refs_id = context.ParamOrArgEnd(
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/*for_args=*/true, Parse::NodeKind::ParenExpressionOrTupleLiteralStart);
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context.node_stack()
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.PopAndDiscardSoloParseNode<
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Parse::NodeKind::ParenExpressionOrTupleLiteralStart>();
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const auto& node_block = context.semantics_ir().GetNodeBlock(refs_id);
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llvm::SmallVector<SemIR::TypeId> type_ids;
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type_ids.reserve(node_block.size());
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for (auto node : node_block) {
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type_ids.push_back(context.semantics_ir().GetNode(node).type_id());
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}
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auto type_id = context.CanonicalizeTupleType(parse_node, std::move(type_ids));
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auto value_id = context.AddNode(
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SemIR::Node::TupleValue::Make(parse_node, type_id, refs_id));
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context.node_stack().Push(parse_node, value_id);
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return true;
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}
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} // namespace Carbon::Check
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