Add libclang functions to determine the const/volatile/restrict

qualifiers on a CXType. Patch from Stefan Seefeld, test by me.

llvm-svn: 124377

4 files changed, 27 insertions, 0 deletions

diff --git a/clang/tools/c-index-test/c-index-test.c b/clang/tools/c-index-test/c-index-test.c
index 7238f4a2d0f..be3a0795984 100644
--- a/clang/tools/c-index-test/c-index-test.c
+++ b/clang/tools/c-index-test/c-index-test.c
@@ -568,6 +568,12 @@ static enum CXChildVisitResult PrintTypeKind(CXCursor cursor, CXCursor p,
     CXString S = clang_getTypeKindSpelling(T.kind);
     PrintCursor(cursor);
     printf(" typekind=%s", clang_getCString(S));
+    if (clang_isConstQualifiedType(T))
+      printf(" const");
+    if (clang_isVolatileQualifiedType(T))
+      printf(" volatile");
+    if (clang_isRestrictQualifiedType(T))
+      printf(" restrict");
     clang_disposeString(S);
     /* Print the canonical type if it is different. */
     {
diff --git a/clang/tools/libclang/CXType.cpp b/clang/tools/libclang/CXType.cpp
index 7b603c0f932..93326724de8 100644
--- a/clang/tools/libclang/CXType.cpp
+++ b/clang/tools/libclang/CXType.cpp
@@ -186,6 +186,21 @@ CXType clang_getCanonicalType(CXType CT) {
   return MakeCXType(AU->getASTContext().getCanonicalType(T), TU);
 }
 
+unsigned clang_isConstQualifiedType(CXType CT) {
+  QualType T = GetQualType(CT);
+  return T.isLocalConstQualified();
+}
+
+unsigned clang_isVolatileQualifiedType(CXType CT) {
+  QualType T = GetQualType(CT);
+  return T.isLocalVolatileQualified();
+}
+
+unsigned clang_isRestrictQualifiedType(CXType CT) {
+  QualType T = GetQualType(CT);
+  return T.isLocalRestrictQualified();
+}
+
 CXType clang_getPointeeType(CXType CT) {
   QualType T = GetQualType(CT);
   const Type *TP = T.getTypePtrOrNull();
diff --git a/clang/tools/libclang/libclang.darwin.exports b/clang/tools/libclang/libclang.darwin.exports
index 1792312de27..7614544ca3b 100644
--- a/clang/tools/libclang/libclang.darwin.exports
+++ b/clang/tools/libclang/libclang.darwin.exports
@@ -109,16 +109,19 @@ _clang_getTypeDeclaration
 _clang_getTypeKindSpelling
 _clang_hashCursor
 _clang_isCursorDefinition
+_clang_isConstQualifiedType
 _clang_isDeclaration
 _clang_isExpression
 _clang_isInvalid
 _clang_isPODType
 _clang_isPreprocessing
 _clang_isReference
+_clang_isRestrictQualifiedType
 _clang_isStatement
 _clang_isTranslationUnit
 _clang_isUnexposed
 _clang_isVirtualBase
+_clang_isVolatileQualifiedType
 _clang_parseTranslationUnit
 _clang_reparseTranslationUnit
 _clang_saveTranslationUnit
diff --git a/clang/tools/libclang/libclang.exports b/clang/tools/libclang/libclang.exports
index c5415e36140..c2f0587b9ae 100644
--- a/clang/tools/libclang/libclang.exports
+++ b/clang/tools/libclang/libclang.exports
@@ -108,6 +108,7 @@ clang_getTranslationUnitSpelling
 clang_getTypeDeclaration
 clang_getTypeKindSpelling
 clang_hashCursor
+clang_isConstQualifiedType
 clang_isCursorDefinition
 clang_isDeclaration
 clang_isExpression
@@ -115,10 +116,12 @@ clang_isInvalid
 clang_isPODType
 clang_isPreprocessing
 clang_isReference
+clang_isRestrictQualifiedType
 clang_isStatement
 clang_isTranslationUnit
 clang_isUnexposed
 clang_isVirtualBase
+clang_isVolatileQualifiedType
 clang_parseTranslationUnit
 clang_reparseTranslationUnit
 clang_saveTranslationUnit