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-rw-r--r--clang/include/clang/AST/Expr.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/clang/include/clang/AST/Expr.h b/clang/include/clang/AST/Expr.h
index 8bd0c9d7590..8130f4f6310 100644
--- a/clang/include/clang/AST/Expr.h
+++ b/clang/include/clang/AST/Expr.h
@@ -476,12 +476,14 @@ public:
/// is NOT null-terminated, and the length of the string is determined by
/// calling getByteLength(). The C type for a string is always a
/// ConstantArrayType.
+///
+/// Note that strings in C can be formed by concatenation of multiple string
+/// literal pptokens in trnaslation phase #6. This keeps track of the locations
+/// of each of these pieces.
class StringLiteral : public Expr {
const char *StrData;
unsigned ByteLength;
bool IsWide;
- // If the StringLiteral was composed using token pasting, both locations
- // are needed. If not (the common case), firstTokLoc == lastTokLoc.
unsigned NumConcatenated;
SourceLocation TokLocs[1];
public:
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