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authorChris Lattner <sabre@nondot.org>2009-02-20 00:25:28 +0000
committerChris Lattner <sabre@nondot.org>2009-02-20 00:25:28 +0000
commit676f0242a86d7652de586cff360c07c4e752035b (patch)
tree87db6582d32fb68536a57b8f70513c43f7925fc0
parent4451bd943c7dcdc4ac1542d176e548cf73021d97 (diff)
map source ranges through macro expansions. Before:
t.m:5:2: error: invalid operands to binary expression ('typeof(P)' (aka 'struct mystruct') and 'typeof(F)' (aka 'float')) MAX(P, F); ^~~~~~~~~ t.m:1:78: note: instantiated from: #define MAX(A,B) ({ __typeof__(A) __a = (A); __typeof__(B) __b = (B); __a < __b ? __b : __a; }) ^ (no ranges on the second diagnostics) After: t.m:5:2: error: invalid operands to binary expression ('typeof(P)' (aka 'struct mystruct') and 'typeof(F)' (aka 'float')) MAX(P, F); ^~~~~~~~~ t.m:1:78: note: instantiated from: #define MAX(A,B) ({ __typeof__(A) __a = (A); __typeof__(B) __b = (B); __a < __b ? __b : __a; }) ~~~ ^ ~~~ (ranges!) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65090 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--include/clang/Driver/TextDiagnosticPrinter.h2
-rw-r--r--lib/Driver/TextDiagnosticPrinter.cpp13
2 files changed, 13 insertions, 2 deletions
diff --git a/include/clang/Driver/TextDiagnosticPrinter.h b/include/clang/Driver/TextDiagnosticPrinter.h
index 3f4f06a2c7..8d702b4934 100644
--- a/include/clang/Driver/TextDiagnosticPrinter.h
+++ b/include/clang/Driver/TextDiagnosticPrinter.h
@@ -47,7 +47,7 @@ public:
const std::string &SourceLine);
void EmitCaretDiagnostic(SourceLocation Loc,
- const SourceRange *Ranges, unsigned NumRanges,
+ SourceRange *Ranges, unsigned NumRanges,
SourceManager &SM);
virtual void HandleDiagnostic(Diagnostic::Level DiagLevel,
diff --git a/lib/Driver/TextDiagnosticPrinter.cpp b/lib/Driver/TextDiagnosticPrinter.cpp
index 31b492a27a..b5226f5131 100644
--- a/lib/Driver/TextDiagnosticPrinter.cpp
+++ b/lib/Driver/TextDiagnosticPrinter.cpp
@@ -102,7 +102,7 @@ void TextDiagnosticPrinter::HighlightRange(const SourceRange &R,
}
void TextDiagnosticPrinter::EmitCaretDiagnostic(SourceLocation Loc,
- const SourceRange *Ranges,
+ SourceRange *Ranges,
unsigned NumRanges,
SourceManager &SM) {
assert(!Loc.isInvalid() && "must have a valid source location here");
@@ -113,7 +113,18 @@ void TextDiagnosticPrinter::EmitCaretDiagnostic(SourceLocation Loc,
SourceLocation OneLevelUp = SM.getImmediateInstantiationRange(Loc).first;
EmitCaretDiagnostic(OneLevelUp, Ranges, NumRanges, SM);
+ // Map the location through the macro.
Loc = SM.getInstantiationLoc(SM.getImmediateSpellingLoc(Loc));
+
+ // Map the ranges.
+ for (unsigned i = 0; i != NumRanges; ++i) {
+ SourceLocation S = Ranges[i].getBegin(), E = Ranges[i].getEnd();
+ if (S.isMacroID())
+ S = SM.getInstantiationLoc(SM.getImmediateSpellingLoc(S));
+ if (E.isMacroID())
+ E = SM.getInstantiationLoc(SM.getImmediateSpellingLoc(E));
+ Ranges[i] = SourceRange(S, E);
+ }
// Emit the file/line/column that this expansion came from.
OS << SM.getBufferName(Loc) << ':' << SM.getInstantiationLineNumber(Loc)