From 9c70e04becf660d6fdd076b5da1c5433d2eb422c Mon Sep 17 00:00:00 2001
From: David Blaikie <dblaikie@gmail.com>
Date: Wed, 21 Sep 2011 18:16:56 +0000
Subject: ArrayRef-ifying Function/BlockDecl's setParams

llvm-svn: 140268
---
 clang/lib/AST/Decl.cpp | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

(limited to 'clang/lib/AST/Decl.cpp')

diff --git a/clang/lib/AST/Decl.cpp b/clang/lib/AST/Decl.cpp
index 73a6558e103..3a2d532f183 100644
--- a/clang/lib/AST/Decl.cpp
+++ b/clang/lib/AST/Decl.cpp
@@ -28,6 +28,8 @@
 #include "clang/Basic/TargetInfo.h"
 #include "llvm/Support/ErrorHandling.h"
 
+#include <algorithm>
+
 using namespace clang;
 
 //===----------------------------------------------------------------------===//
@@ -1688,15 +1690,14 @@ unsigned FunctionDecl::getNumParams() const {
 }
 
 void FunctionDecl::setParams(ASTContext &C,
-                             ParmVarDecl **NewParamInfo, unsigned NumParams) {
+                             llvm::ArrayRef<ParmVarDecl *> NewParamInfo) {
   assert(ParamInfo == 0 && "Already has param info!");
-  assert(NumParams == getNumParams() && "Parameter count mismatch!");
+  assert(NewParamInfo.size() == getNumParams() && "Parameter count mismatch!");
 
   // Zero params -> null pointer.
-  if (NumParams) {
-    void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams);
-    ParamInfo = new (Mem) ParmVarDecl*[NumParams];
-    memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams);
+  if (!NewParamInfo.empty()) {
+    ParamInfo = new (C) ParmVarDecl*[NewParamInfo.size()];
+    std::copy(NewParamInfo.begin(), NewParamInfo.end(), ParamInfo);
   }
 }
 
@@ -2430,16 +2431,14 @@ void RecordDecl::LoadFieldsFromExternalStorage() const {
 // BlockDecl Implementation
 //===----------------------------------------------------------------------===//
 
-void BlockDecl::setParams(ParmVarDecl **NewParamInfo,
-                          unsigned NParms) {
+void BlockDecl::setParams(llvm::ArrayRef<ParmVarDecl *> NewParamInfo) {
   assert(ParamInfo == 0 && "Already has param info!");
 
   // Zero params -> null pointer.
-  if (NParms) {
-    NumParams = NParms;
-    void *Mem = getASTContext().Allocate(sizeof(ParmVarDecl*)*NumParams);
-    ParamInfo = new (Mem) ParmVarDecl*[NumParams];
-    memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams);
+  if (!NewParamInfo.empty()) {
+    NumParams = NewParamInfo.size();
+    ParamInfo = new (getASTContext()) ParmVarDecl*[NewParamInfo.size()];
+    std::copy(NewParamInfo.begin(), NewParamInfo.end(), ParamInfo);
   }
 }
 
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