Clang API function terminology got changed

...at least in trunk 200400 towards Clang 3.5.

Change-Id: I6e295e3a4cf721fbda9df8e7c5bed3993ee78216

compilerplugins/clang/compat.hxx

+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_COMPILERPLUGINS_CLANG_COMPAT_HXX
+#define INCLUDED_COMPILERPLUGINS_CLANG_COMPAT_HXX
+
+#include "clang/AST/Decl.h"
+#include "clang/AST/Type.h"
+
+// Compatibility wrapper to abstract over (trivial) chanes in the Clang API:
+namespace compat {
+
+inline clang::QualType getReturnType(clang::FunctionDecl const & decl) {
+#if (__clang_major__ == 3 && __clang_minor__ >= 5) || __clang_major__ > 3
+    return decl.getReturnType();
+#else
+    return decl.getResultType();
+#endif
+}
+
+inline unsigned getNumParams(clang::FunctionProtoType const & type) {
+#if (__clang_major__ == 3 && __clang_minor__ >= 5) || __clang_major__ > 3
+    return type.getNumParams();
+#else
+    return type.getNumArgs();
+#endif
+}
+
+inline clang::QualType getParamType(
+    clang::FunctionProtoType const & type, unsigned i)
+{
+#if (__clang_major__ == 3 && __clang_minor__ >= 5) || __clang_major__ > 3
+    return type.getParamType(i);
+#else
+    return type.getArgType(i);
+#endif
+}
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

compilerplugins/clang/implicitboolconversion.cxx

@@ -15,6 +15,7 @@
 #include <string>
 #include <vector>
 
+#include "compat.hxx"
 #include "plugin.hxx"
 
 template<> struct std::iterator_traits<ExprIterator> {
@@ -183,11 +184,11 @@ bool ImplicitBoolConversion::TraverseCallExpr(CallExpr * expr) {
             } else {
                 std::ptrdiff_t n = j - expr->arg_begin();
                 assert(n >= 0);
-                assert(n < t->getNumArgs() || t->isVariadic());
-                if (n < t->getNumArgs()
-                    && !(t->getArgType(n)->isSpecificBuiltinType(
+                assert(n < compat::getNumParams(*t) || t->isVariadic());
+                if (n < compat::getNumParams(*t)
+                    && !(compat::getParamType(*t, n)->isSpecificBuiltinType(
                              BuiltinType::Int)
-                         || (t->getArgType(n)->isSpecificBuiltinType(
+                         || (compat::getParamType(*t, n)->isSpecificBuiltinType(
                                  BuiltinType::UInt))))
                 {
                     reportWarning(i);
@@ -494,8 +495,10 @@ bool ImplicitBoolConversion::TraverseReturnStmt(ReturnStmt * stmt) {
 bool ImplicitBoolConversion::TraverseFunctionDecl(FunctionDecl * decl) {
     bool ext = hasCLanguageLinkageType(decl)
         && decl->isThisDeclarationADefinition()
-        && (decl->getResultType()->isSpecificBuiltinType(BuiltinType::Int)
-            || decl->getResultType()->isSpecificBuiltinType(BuiltinType::UInt));
+        && (compat::getReturnType(*decl)->isSpecificBuiltinType(
+                BuiltinType::Int)
+            || compat::getReturnType(*decl)->isSpecificBuiltinType(
+                BuiltinType::UInt));
     if (ext) {
         assert(!externCIntFunctionDefinition);
         externCIntFunctionDefinition = true;