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-rw-r--r--include/clang/Lex/DependencyDirectivesSourceMinimizer.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/clang/Lex/DependencyDirectivesSourceMinimizer.h b/include/clang/Lex/DependencyDirectivesSourceMinimizer.h
index 41641078afe4..d832df6b6146 100644
--- a/include/clang/Lex/DependencyDirectivesSourceMinimizer.h
+++ b/include/clang/Lex/DependencyDirectivesSourceMinimizer.h
@@ -38,6 +38,7 @@ enum TokenKind {
pp_undef,
pp_import,
pp_pragma_import,
+ pp_pragma_once,
pp_include_next,
pp_if,
pp_ifdef,
@@ -46,6 +47,9 @@ enum TokenKind {
pp_else,
pp_endif,
decl_at_import,
+ cxx_export_decl,
+ cxx_module_decl,
+ cxx_import_decl,
pp_eof,
};
@@ -62,6 +66,24 @@ struct Token {
Token(TokenKind K, int Offset) : K(K), Offset(Offset) {}
};
+/// Simplified token range to track the range of a potentially skippable PP
+/// directive.
+struct SkippedRange {
+ /// Offset into the output byte stream of where the skipped directive begins.
+ int Offset;
+
+ /// The number of bytes that can be skipped before the preprocessing must
+ /// resume.
+ int Length;
+};
+
+/// Computes the potential source ranges that can be skipped by the preprocessor
+/// when skipping a directive like #if, #ifdef or #elsif.
+///
+/// \returns false on success, true on error.
+bool computeSkippedRanges(ArrayRef<Token> Input,
+ llvm::SmallVectorImpl<SkippedRange> &Range);
+
} // end namespace minimize_source_to_dependency_directives
/// Minimize the input down to the preprocessor directives that might have