Move C++ code out of the C headers and into either C++ headers

or the C++ files themselves. This enables people to use
just a C compiler to interoperate with LLVM.

llvm-svn: 180063

Author: echristo

llvm/include/llvm-c/Core.h

@@ -18,13 +18,6 @@
 #include "llvm/Support/DataTypes.h"
 
 #ifdef __cplusplus
-
-/* Need these includes to support the LLVM 'cast' template for the C++ 'wrap' 
-   and 'unwrap' conversion functions. */
-#include "llvm/IR/IRBuilder.h"
-#include "llvm/IR/Module.h"
-#include "llvm/PassRegistry.h"
-
 extern "C" {
 #endif
 
@@ -60,11 +53,6 @@ extern "C" {
  * with C++ due to name mangling. So in addition to C, this interface enables
  * tools written in such languages.
  *
- * When included into a C++ source file, also declares 'wrap' and 'unwrap'
- * helpers to perform opaque reference<-->pointer conversions. These helpers
- * are shorter and more tightly typed than writing the casts by hand when
- * authoring bindings. In assert builds, they will do runtime type checking.
- *
  * @{
  */
 
@@ -2690,100 +2678,6 @@ LLVMBool LLVMIsMultithreaded();
 
 #ifdef __cplusplus
 }
-
-namespace llvm {
-  class MemoryBuffer;
-  class PassManagerBase;
-  
-  #define DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref)   \
-    inline ty *unwrap(ref P) {                          \
-      return reinterpret_cast<ty*>(P);                  \
-    }                                                   \
-                                                        \
-    inline ref wrap(const ty *P) {                      \
-      return reinterpret_cast<ref>(const_cast<ty*>(P)); \
-    }
-  
-  #define DEFINE_ISA_CONVERSION_FUNCTIONS(ty, ref)  \
-    DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref)         \
-                                                        \
-    template<typename T>                                \
-    inline T *unwrap(ref P) {                           \
-      return cast<T>(unwrap(P));                        \
-    }
-  
-  #define DEFINE_STDCXX_CONVERSION_FUNCTIONS(ty, ref)   \
-    DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref)         \
-                                                        \
-    template<typename T>                                \
-    inline T *unwrap(ref P) {                           \
-      T *Q = (T*)unwrap(P);                             \
-      assert(Q && "Invalid cast!");                     \
-      return Q;                                         \
-    }
-  
-  DEFINE_ISA_CONVERSION_FUNCTIONS   (Type,               LLVMTypeRef          )
-  DEFINE_ISA_CONVERSION_FUNCTIONS   (Value,              LLVMValueRef         )
-  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Module,             LLVMModuleRef        )
-  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(BasicBlock,         LLVMBasicBlockRef    )
-  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(IRBuilder<>,        LLVMBuilderRef       )
-  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(MemoryBuffer,       LLVMMemoryBufferRef  )
-  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(LLVMContext,        LLVMContextRef       )
-  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Use,                LLVMUseRef           )
-  DEFINE_STDCXX_CONVERSION_FUNCTIONS(PassManagerBase,    LLVMPassManagerRef   )
-  DEFINE_STDCXX_CONVERSION_FUNCTIONS(PassRegistry,       LLVMPassRegistryRef  )
-  /* LLVMModuleProviderRef exists for historical reasons, but now just holds a
-   * Module.
-   */
-  inline Module *unwrap(LLVMModuleProviderRef MP) {
-    return reinterpret_cast<Module*>(MP);
-  }
-  
-  #undef DEFINE_STDCXX_CONVERSION_FUNCTIONS
-  #undef DEFINE_ISA_CONVERSION_FUNCTIONS
-  #undef DEFINE_SIMPLE_CONVERSION_FUNCTIONS
-
-  /* Specialized opaque context conversions.
-   */
-  inline LLVMContext **unwrap(LLVMContextRef* Tys) {
-    return reinterpret_cast<LLVMContext**>(Tys);
-  }
-  
-  inline LLVMContextRef *wrap(const LLVMContext **Tys) {
-    return reinterpret_cast<LLVMContextRef*>(const_cast<LLVMContext**>(Tys));
-  }
-  
-  /* Specialized opaque type conversions.
-   */
-  inline Type **unwrap(LLVMTypeRef* Tys) {
-    return reinterpret_cast<Type**>(Tys);
-  }
-  
-  inline LLVMTypeRef *wrap(Type **Tys) {
-    return reinterpret_cast<LLVMTypeRef*>(const_cast<Type**>(Tys));
-  }
-  
-  /* Specialized opaque value conversions.
-   */ 
-  inline Value **unwrap(LLVMValueRef *Vals) {
-    return reinterpret_cast<Value**>(Vals);
-  }
-  
-  template<typename T>
-  inline T **unwrap(LLVMValueRef *Vals, unsigned Length) {
-    #ifdef DEBUG
-    for (LLVMValueRef *I = Vals, *E = Vals + Length; I != E; ++I)
-      cast<T>(*I);
-    #endif
-    (void)Length;
-    return reinterpret_cast<T**>(Vals);
-  }
-  
-  inline LLVMValueRef *wrap(const Value **Vals) {
-    return reinterpret_cast<LLVMValueRef*>(const_cast<Value**>(Vals));
-  }
-}
-
 #endif /* !defined(__cplusplus) */
 
 #endif /* !defined(LLVM_C_CORE_H) */

llvm/include/llvm-c/ExecutionEngine.h

@@ -137,27 +137,7 @@ void *LLVMGetPointerToGlobal(LLVMExecutionEngineRef EE, LLVMValueRef Global);
  */
 
 #ifdef __cplusplus
-}
-
-namespace llvm {
-  struct GenericValue;
-  class ExecutionEngine;
-  
-  #define DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ty, ref)   \
-    inline ty *unwrap(ref P) {                          \
-      return reinterpret_cast<ty*>(P);                  \
-    }                                                   \
-                                                        \
-    inline ref wrap(const ty *P) {                      \
-      return reinterpret_cast<ref>(const_cast<ty*>(P)); \
-    }
-  
-  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(GenericValue,    LLVMGenericValueRef   )
-  DEFINE_SIMPLE_CONVERSION_FUNCTIONS(ExecutionEngine, LLVMExecutionEngineRef)
-  
-  #undef DEFINE_SIMPLE_CONVERSION_FUNCTIONS
-}
-  
+}  
 #endif /* defined(__cplusplus) */
 
 #endif

llvm/include/llvm-c/Object.h

@@ -23,8 +23,6 @@
 #include "llvm/Config/llvm-config.h"
 
 #ifdef __cplusplus
-#include "llvm/Object/ObjectFile.h"
-
 extern "C" {
 #endif
 
@@ -99,50 +97,6 @@ const char *LLVMGetRelocationValueString(LLVMRelocationIteratorRef RI);
 
 #ifdef __cplusplus
 }
-
-namespace llvm {
-  namespace object {
-    inline ObjectFile *unwrap(LLVMObjectFileRef OF) {
-      return reinterpret_cast<ObjectFile*>(OF);
-    }
-
-    inline LLVMObjectFileRef wrap(const ObjectFile *OF) {
-      return reinterpret_cast<LLVMObjectFileRef>(const_cast<ObjectFile*>(OF));
-    }
-
-    inline section_iterator *unwrap(LLVMSectionIteratorRef SI) {
-      return reinterpret_cast<section_iterator*>(SI);
-    }
-
-    inline LLVMSectionIteratorRef
-    wrap(const section_iterator *SI) {
-      return reinterpret_cast<LLVMSectionIteratorRef>
-        (const_cast<section_iterator*>(SI));
-    }
-
-    inline symbol_iterator *unwrap(LLVMSymbolIteratorRef SI) {
-      return reinterpret_cast<symbol_iterator*>(SI);
-    }
-
-    inline LLVMSymbolIteratorRef
-    wrap(const symbol_iterator *SI) {
-      return reinterpret_cast<LLVMSymbolIteratorRef>
-        (const_cast<symbol_iterator*>(SI));
-    }
-
-    inline relocation_iterator *unwrap(LLVMRelocationIteratorRef SI) {
-      return reinterpret_cast<relocation_iterator*>(SI);
-    }
-
-    inline LLVMRelocationIteratorRef
-    wrap(const relocation_iterator *SI) {
-      return reinterpret_cast<LLVMRelocationIteratorRef>
-        (const_cast<relocation_iterator*>(SI));
-    }
-
-  }
-}
-
 #endif /* defined(__cplusplus) */
 
 #endif

llvm/include/llvm-c/Target.h

@@ -235,29 +235,6 @@ void LLVMDisposeTargetData(LLVMTargetDataRef);
 
 #ifdef __cplusplus
 }
-
-namespace llvm {
-  class DataLayout;
-  class TargetLibraryInfo;
-
-  inline DataLayout *unwrap(LLVMTargetDataRef P) {
-    return reinterpret_cast<DataLayout*>(P);
-  }
-  
-  inline LLVMTargetDataRef wrap(const DataLayout *P) {
-    return reinterpret_cast<LLVMTargetDataRef>(const_cast<DataLayout*>(P));
-  }
-
-  inline TargetLibraryInfo *unwrap(LLVMTargetLibraryInfoRef P) {
-    return reinterpret_cast<TargetLibraryInfo*>(P);
-  }
-
-  inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfo *P) {
-    TargetLibraryInfo *X = const_cast<TargetLibraryInfo*>(P);
-    return reinterpret_cast<LLVMTargetLibraryInfoRef>(X);
-  }
-}
-
 #endif /* defined(__cplusplus) */
 
 #endif

llvm/include/llvm-c/TargetMachine.h

@@ -117,30 +117,8 @@ LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M,
 /** Compile the LLVM IR stored in \p M and store the result in \p OutMemBuf. */
 LLVMBool LLVMTargetMachineEmitToMemoryBuffer(LLVMTargetMachineRef T, LLVMModuleRef M,
   LLVMCodeGenFileType codegen, char** ErrorMessage, LLVMMemoryBufferRef *OutMemBuf);
-
-
-
 #ifdef __cplusplus
 }
-
-namespace llvm {
-  class TargetMachine;
-  class Target;
-
-  inline TargetMachine *unwrap(LLVMTargetMachineRef P) {
-    return reinterpret_cast<TargetMachine*>(P);
-  }
-  inline Target *unwrap(LLVMTargetRef P) {
-    return reinterpret_cast<Target*>(P);
-  }
-  inline LLVMTargetMachineRef wrap(const TargetMachine *P) {
-    return reinterpret_cast<LLVMTargetMachineRef>(
-      const_cast<TargetMachine*>(P));
-  }
-  inline LLVMTargetRef wrap(const Target * P) {
-    return reinterpret_cast<LLVMTargetRef>(const_cast<Target*>(P));
-  }
-}
 #endif
 
 #endif

llvm/include/llvm-c/Transforms/PassManagerBuilder.h

@@ -86,16 +86,6 @@ void LLVMPassManagerBuilderPopulateLTOPassManager(LLVMPassManagerBuilderRef PMB,
 
 #ifdef __cplusplus
 }
-
-namespace llvm {
-  inline PassManagerBuilder *unwrap(LLVMPassManagerBuilderRef P) {
-    return reinterpret_cast<PassManagerBuilder*>(P);
-  }
-
-  inline LLVMPassManagerBuilderRef wrap(PassManagerBuilder *P) {
-    return reinterpret_cast<LLVMPassManagerBuilderRef>(P);
-  }
-}
 #endif
 
 #endif

llvm/include/llvm/Target/TargetMachine.h

@@ -32,6 +32,7 @@ class MCContext;
 class PassManagerBase;
 class Target;
 class DataLayout;
+class TargetLibraryInfo;
 class TargetFrameLowering;
 class TargetInstrInfo;
 class TargetIntrinsicInfo;