129 lines
4.0 KiB
C
129 lines
4.0 KiB
C
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/* Copyright (c) 2011 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//
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// GTLDefines.h
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//
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// Ensure Apple's conditionals we depend on are defined.
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#import <TargetConditionals.h>
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#import <AvailabilityMacros.h>
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//
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// The developer may choose to define these in the project:
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//
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// #define GTL_TARGET_NAMESPACE Xxx // preface all GTL class names with Xxx (recommended for building plug-ins)
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// #define GTL_FOUNDATION_ONLY 1 // builds without AppKit or Carbon (default for iPhone builds)
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// #define STRIP_GTM_FETCH_LOGGING 1 // omit http logging code (default for iPhone release builds)
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//
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// Mac developers may find GTL_SIMPLE_DESCRIPTIONS and STRIP_GTM_FETCH_LOGGING useful for
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// reducing code size.
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//
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// Define later OS versions when building on earlier versions
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#ifdef MAC_OS_X_VERSION_10_0
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#ifndef MAC_OS_X_VERSION_10_6
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#define MAC_OS_X_VERSION_10_6 1060
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#endif
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#endif
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#ifdef GTL_TARGET_NAMESPACE
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// prefix all GTL class names with GTL_TARGET_NAMESPACE for this target
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#import "GTLTargetNamespace.h"
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#endif
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// Provide a common definition for externing constants/functions
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#if defined(__cplusplus)
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#define GTL_EXTERN extern "C"
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#else
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#define GTL_EXTERN extern
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#endif
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#if TARGET_OS_IPHONE // iPhone SDK
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#define GTL_IPHONE 1
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#endif
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#if GTL_IPHONE
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#define GTL_FOUNDATION_ONLY 1
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#endif
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//
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// GTL_ASSERT is like NSAssert, but takes a variable number of arguments:
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//
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// GTL_ASSERT(condition, @"Problem in argument %@", argStr);
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//
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// GTL_DEBUG_ASSERT is similar, but compiles in only for debug builds
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//
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#ifndef GTL_ASSERT
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// we directly invoke the NSAssert handler so we can pass on the varargs
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#if !defined(NS_BLOCK_ASSERTIONS)
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#define GTL_ASSERT(condition, ...) \
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do { \
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if (!(condition)) { \
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[[NSAssertionHandler currentHandler] \
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handleFailureInFunction:[NSString stringWithUTF8String:__PRETTY_FUNCTION__] \
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file:[NSString stringWithUTF8String:__FILE__] \
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lineNumber:__LINE__ \
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description:__VA_ARGS__]; \
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} \
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} while(0)
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#else
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#define GTL_ASSERT(condition, ...) do { } while (0)
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#endif // !defined(NS_BLOCK_ASSERTIONS)
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#endif // GTL_ASSERT
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#ifndef GTL_DEBUG_ASSERT
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#if DEBUG
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#define GTL_DEBUG_ASSERT(condition, ...) GTL_ASSERT(condition, __VA_ARGS__)
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#else
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#define GTL_DEBUG_ASSERT(condition, ...) do { } while (0)
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#endif
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#endif
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#ifndef GTL_DEBUG_LOG
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#if DEBUG
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#define GTL_DEBUG_LOG(...) NSLog(__VA_ARGS__)
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#else
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#define GTL_DEBUG_LOG(...) do { } while (0)
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#endif
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#endif
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#ifndef STRIP_GTM_FETCH_LOGGING
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#if GTL_IPHONE && !DEBUG
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#define STRIP_GTM_FETCH_LOGGING 1
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#else
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#define STRIP_GTM_FETCH_LOGGING 0
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#endif
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#endif
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// Some support for advanced clang static analysis functionality
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// See http://clang-analyzer.llvm.org/annotations.html
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#ifndef __has_feature // Optional.
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#define __has_feature(x) 0 // Compatibility with non-clang compilers.
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#endif
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#ifndef NS_RETURNS_NOT_RETAINED
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#if __has_feature(attribute_ns_returns_not_retained)
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#define NS_RETURNS_NOT_RETAINED __attribute__((ns_returns_not_retained))
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#else
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#define NS_RETURNS_NOT_RETAINED
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#endif
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#endif
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