[PATCH] D100991: Fix parsing of vector keyword in presence of conflicting uses.

[Jamie Schmeiser via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG136ced498ba8: When vector is found as a type or non-type id, check if it is really the… (authored by jamieschmeiser).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D100991/new/

https://reviews.llvm.org/D100991

Files:
  clang/lib/Parse/Parser.cpp
  clang/test/Parser/altivec-non-type-vector.c
  clang/test/Parser/altivec-template-vector.cpp
  clang/test/Parser/altivec-typedef-vector.c


Index: clang/test/Parser/altivec-typedef-vector.c
===================================================================
--- /dev/null
+++ clang/test/Parser/altivec-typedef-vector.c
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc64-ibm-aix-xcoff
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc64le-ibm-linux-gnu
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc64-linux-gnu
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc-ibm-aix-xcoff
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc-linux-gnu
+
+typedef int vector;
+
+void test() {
+  vector unsigned int v = {0};
+}
Index: clang/test/Parser/altivec-template-vector.cpp
===================================================================
--- /dev/null
+++ clang/test/Parser/altivec-template-vector.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc64-ibm-aix-xcoff
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc64le-ibm-linux-gnu
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc64-linux-gnu
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc-ibm-aix-xcoff
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc-linux-gnu
+
+template <typename T> class vector {
+public:
+  vector(int) {}
+};
+
+void f() {
+  vector int v = {0};
+  vector<int> vi = {0};
+}
Index: clang/test/Parser/altivec-non-type-vector.c
===================================================================
--- /dev/null
+++ clang/test/Parser/altivec-non-type-vector.c
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc64-ibm-aix-xcoff
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc64le-ibm-linux-gnu
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc64-linux-gnu
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc-ibm-aix-xcoff
+// RUN: %clang_cc1 -target-feature +altivec -fsyntax-only %s -triple powerpc-linux-gnu
+
+int vector();
+
+void test() {
+  vector unsigned int v = {0};
+}
Index: clang/lib/Parse/Parser.cpp
===================================================================
--- clang/lib/Parse/Parser.cpp
+++ clang/lib/Parse/Parser.cpp
@@ -1695,6 +1695,11 @@
     break;
 
   case Sema::NC_Type: {
+    if (TryAltiVecVectorToken())
+      // vector has been found as a type id when altivec is enabled but
+      // this is followed by a declaration specifier so this is really the
+      // altivec vector token.  Leave it unannotated.
+      break;
     SourceLocation BeginLoc = NameLoc;
     if (SS.isNotEmpty())
       BeginLoc = SS.getBeginLoc();
@@ -1736,6 +1741,11 @@
     return ANK_Success;
 
   case Sema::NC_NonType:
+    if (TryAltiVecVectorToken())
+      // vector has been found as a non-type id when altivec is enabled but
+      // this is followed by a declaration specifier so this is really the
+      // altivec vector token.  Leave it unannotated.
+      break;
     Tok.setKind(tok::annot_non_type);
     setNonTypeAnnotation(Tok, Classification.getNonTypeDecl());
     Tok.setLocation(NameLoc);


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