mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-25 07:00:13 +01:00
Jon Ross-Perkins
6bfd202f4e
- Finishes remaining "todo" parse nodes. - Improving error recovery for invalid designators and structs, so that the parse tree still looks similar to a valid parse tree. - Call expressions now have the thing being called as a child (of the start) instead of a sibling. - Use of Start is replacing use of End in several parse nodes, like structs and call expressions. - Adjusting documentation of parse node structures in an attempt to make it more consistent and understandable. - The current state for interfaces and if/else is mostly being documented, not altered.
55 lines
1.8 KiB
C++
55 lines
1.8 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 "common/check.h"
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#include "llvm/ADT/StringRef.h"
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namespace Carbon {
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auto ParseNodeKind::name() const -> llvm::StringRef {
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static constexpr llvm::StringLiteral Names[] = {
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#define CARBON_PARSE_NODE_KIND(Name) #Name,
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#include "toolchain/parser/parse_node_kind.def"
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};
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return Names[static_cast<int>(kind_)];
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}
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auto ParseNodeKind::has_bracket() const -> bool {
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static constexpr bool HasBracket[] = {
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#define CARBON_PARSE_NODE_KIND_BRACKET(...) true,
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#define CARBON_PARSE_NODE_KIND_CHILD_COUNT(...) false,
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#include "toolchain/parser/parse_node_kind.def"
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};
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return HasBracket[static_cast<int>(kind_)];
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}
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auto ParseNodeKind::bracket() const -> ParseNodeKind {
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// Nodes are never self-bracketed, so we use that for nodes that instead set
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// child_count.
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static constexpr ParseNodeKind Bracket[] = {
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#define CARBON_PARSE_NODE_KIND_BRACKET(Name, BracketName) \
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ParseNodeKind::BracketName(),
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#define CARBON_PARSE_NODE_KIND_CHILD_COUNT(Name, ...) ParseNodeKind::Name(),
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#include "toolchain/parser/parse_node_kind.def"
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};
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auto bracket = Bracket[static_cast<int>(kind_)];
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CARBON_CHECK(bracket != kind_) << *this;
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return bracket;
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}
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auto ParseNodeKind::child_count() const -> int32_t {
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static constexpr int32_t ChildCount[] = {
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#define CARBON_PARSE_NODE_KIND_BRACKET(...) -1,
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#define CARBON_PARSE_NODE_KIND_CHILD_COUNT(Name, Size) Size,
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#include "toolchain/parser/parse_node_kind.def"
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};
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auto child_count = ChildCount[static_cast<int>(kind_)];
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CARBON_CHECK(child_count >= 0) << *this;
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return child_count;
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}
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} // namespace Carbon
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