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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
67da700dd5
Splits IR files into SemIR, and logic files into Check. These will be split into separate directories as part of a later move; the namespaces are being done first in order to vet the switch, and hopefully make conflicts a little easier to manage due to the substantial renames. A lot of this is just automated removal of Semantics prefixes from names, adding namespace references where needed. A few special-cases are: - SemanticsIR -> SemIR::File - A few things were discussed, like Unit, CompileUnit, or CompiledUnit. Unit was too vague for chandlerc, and I thought CompileUnit might lead to incorrect inferences (CompilationUnit would be more precise, but typically written as SemIR::CompilationUnit which is pretty long). File seemed to be a short name that we could agree on. - SemanticsIRFormatter -> SemIR::Formatter - FormatSemanticsIR -> SemIR::FormatFile - SemanticsFileTest -> CheckFileTest - It remains in the Testing namespace, where just "FileTest" might be too broad a name. - SemanticsDeclarationNameStack::Context -> Check::DeclarationNameStack::NameContext - This avoids a Check::Context name shadowing. Changes check_internal.h to include ostream.h to improve finding of Print/operator<< (otherwise it didn't compile). This is part of #3070
57 lines
2.1 KiB
C++
57 lines
2.1 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/parser/parse_node_kind.h"
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#include "toolchain/semantics/semantics_context.h"
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#include "toolchain/semantics/semantics_node.h"
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#include "toolchain/semantics/semantics_node_kind.h"
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namespace Carbon::Check {
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auto HandleArrayExpressionStart(Context& /*context*/,
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ParseTree::Node /*parse_node*/) -> bool {
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return true;
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}
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auto HandleArrayExpressionSemi(Context& context, ParseTree::Node parse_node)
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-> bool {
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context.node_stack().Push(parse_node);
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return true;
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}
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auto HandleArrayExpression(Context& context, ParseTree::Node parse_node)
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-> bool {
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// TODO: Handle array type with undefined bound.
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if (context.parse_tree().node_kind(context.node_stack().PeekParseNode()) ==
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ParseNodeKind::ArrayExpressionSemi) {
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context.node_stack().PopAndIgnore();
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context.node_stack().PopAndIgnore();
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return context.TODO(parse_node, "HandleArrayExpressionWithoutBounds");
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}
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auto bound_node_id = context.node_stack().PopExpression();
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context.node_stack()
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.PopAndDiscardSoloParseNode<ParseNodeKind::ArrayExpressionSemi>();
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auto element_type_node_id = context.node_stack().PopExpression();
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auto bound_node = context.semantics_ir().GetNode(bound_node_id);
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if (bound_node.kind() == SemIR::NodeKind::IntegerLiteral) {
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auto bound_value = context.semantics_ir().GetIntegerLiteral(
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bound_node.GetAsIntegerLiteral());
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if (!bound_value.isNegative()) {
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context.AddNodeAndPush(
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parse_node,
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SemIR::Node::ArrayType::Make(
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parse_node, SemIR::TypeId::TypeType, bound_node_id,
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context.ExpressionAsType(parse_node, element_type_node_id)));
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return true;
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}
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}
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CARBON_DIAGNOSTIC(InvalidArrayExpression, Error, "Invalid array expression.");
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context.emitter().Emit(parse_node, InvalidArrayExpression);
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context.node_stack().Push(parse_node, SemIR::NodeId::BuiltinError);
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return true;
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}
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} // namespace Carbon::Check
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