commit 796269447580ef8672e694bae1bceec5513b406c
author Anton Korobeynikov <asl@math.spbu.ru> Tue Dec 23 22:24:07 2008 +0000
committer Anton Korobeynikov <asl@math.spbu.ru> Tue Dec 23 22:24:07 2008 +0000
tree d77110436f6fc205fcd70f1bb874748abbca6e81
parent 7c8658523aee6ae2f2cf678bfa3b3b6599d3f2a5

Sema for fastcall/stdcall stuff. Tests will follow.
Patch by Ilya Okonsky!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61394 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaDeclAttr.cpp

diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index 7275589..81283a8 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -684,7 +684,7 @@
     S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 0;
     return;
   }
-  
+
   d->addAttr(new DLLImportAttr());
 }
 
@@ -694,27 +694,54 @@
     S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 0;
     return;
   }
-  
+
   d->addAttr(new DLLExportAttr());
 }
 
 static void HandleStdCallAttr(Decl *d, const AttributeList &Attr, Sema &S) {
-  // check the attribute arguments.
+  // Attribute has no arguments.
   if (Attr.getNumArgs() != 0) {
     S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 0;
     return;
   }
-  
+
+  // Attribute can be applied only to functions.
+  if (!isa<FunctionDecl>(d)) {
+    S.Diag(Attr.getLoc(), diag::warn_attribute_wrong_decl_type)
+      << "stdcall" << "function";
+    return;
+  }
+
+  // stdcall and fastcall attributes are mutually incompatible.
+  if (d->getAttr<FastCallAttr>()) {
+    S.Diag(Attr.getLoc(), diag::err_attributes_are_not_compatible)
+      << "stdcall" << "fastcall";
+    return;
+  }
+
   d->addAttr(new StdCallAttr());
 }
 
 static void HandleFastCallAttr(Decl *d, const AttributeList &Attr, Sema &S) {
-  // check the attribute arguments.
+  // Attribute has no arguments.
   if (Attr.getNumArgs() != 0) {
     S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 0;
     return;
   }
-  
+
+  if (!isa<FunctionDecl>(d)) {
+    S.Diag(Attr.getLoc(), diag::warn_attribute_wrong_decl_type)
+      << "fastcall" << "function";
+    return;
+  }
+
+  // stdcall and fastcall attributes are mutually incompatible.
+  if (d->getAttr<StdCallAttr>()) {
+    S.Diag(Attr.getLoc(), diag::err_attributes_are_not_compatible)
+      << "fastcall" << "stdcall";
+    return;
+  }
+
   d->addAttr(new FastCallAttr());
 }