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Stop parsing into IfConfiDecl nodes in the C++ parser

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When parsing #if...#endif regions, parse the active clause directly into
place in the AST without ever producing an IfConfigDecl instance.
This commit is contained in:
Doug Gregor
2024-09-18 20:20:00 -07:00
parent 4bb9a587fa
commit d762dd53f8
11 changed files with 105 additions and 115 deletions
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12
include/swift/Parse/Parser.h
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@@ -977,10 +977,10 @@ public:
void consumeDecl(ParserPosition BeginParserPosition, bool IsTopLevel);
ParserResult<Decl> parseDecl(bool IsAtStartOfLineOrPreviousHadSemi,
bool IfConfigsAreDeclAttrs,
llvm::function_ref<void(Decl *)> Handler,
bool fromASTGen = false);
ParserStatus parseDecl(bool IsAtStartOfLineOrPreviousHadSemi,
bool IfConfigsAreDeclAttrs,
llvm::function_ref<void(Decl *)> Handler,
bool fromASTGen = false);
std::pair<std::vector<Decl *>, std::optional<Fingerprint>>
parseDeclListDelayed(IterableDeclContext *IDC);
@@ -1018,9 +1018,9 @@ public:
/// Parse a #if ... #endif directive.
/// Delegate callback function to parse elements in the blocks.
ParserResult<IfConfigDecl> parseIfConfig(
ParserStatus parseIfConfig(
IfConfigContext ifConfigContext,
llvm::function_ref<void(SmallVectorImpl<ASTNode> &, bool)> parseElements);
llvm::function_ref<void(bool)> parseElements);
/// Parse an #if ... #endif containing only attributes.
ParserStatus parseIfConfigDeclAttributes(