//===- DIBuilderBindings.cpp - Bindings for DIBuilder ---------------------===//

//

//                     The LLVM Compiler Infrastructure

//

// This file is distributed under the University of Illinois Open Source

// License. See LICENSE.TXT for details.

//

//===----------------------------------------------------------------------===//

//

// This file defines C bindings for the DIBuilder class.

//

//===----------------------------------------------------------------------===//

/*

 * Shamelessly based on DIBuilderBindings.cpp from LLVM's GO bindings. The original

 * file could be found at bindings/go/llvm/DIBuilderBindings.cpp in LLVM source tree.

 */

#include <llvm-c-ext/CoreExt.h>

#include <llvm-c-ext/DIBuilder.h>

#include "llvm/IR/DIBuilder.h"

#include "llvm/IR/IRBuilder.h"

#include "llvm/IR/Module.h"

using namespace llvm;

DEFINE_SIMPLE_CONVERSION_FUNCTIONS(DIBuilder, LLVMDIBuilderRef)

LLVMDIBuilderRef LLVMNewDIBuilder(LLVMModuleRef mref) {

  Module *m = unwrap(mref);

  return wrap(new DIBuilder(*m));

}

void LLVMDIBuilderDestroy(LLVMDIBuilderRef dref) {

  DIBuilder *d = unwrap(dref);

  delete d;

}

void LLVMDIBuilderFinalize(LLVMDIBuilderRef dref) { unwrap(dref)->finalize(); }

LLVMMetadataRef LLVMDIBuilderCreateCompileUnit(LLVMDIBuilderRef Dref,

                                               unsigned Lang, const char *File,

                                               const char *Dir,

                                               const char *Producer,

                                               int Optimized, const char *Flags,

                                               unsigned RuntimeVersion) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createCompileUnit(Lang, File, Dir, Producer, Optimized, Flags,

                                   RuntimeVersion));

}

LLVMMetadataRef LLVMDIBuilderCreateFile(LLVMDIBuilderRef Dref, const char *File,

                                        const char *Dir) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createFile(File, Dir));

}

LLVMMetadataRef LLVMDIBuilderCreateLexicalBlock(LLVMDIBuilderRef Dref,

                                                LLVMMetadataRef Scope,

                                                LLVMMetadataRef File,

                                                unsigned Line,

                                                unsigned Column) {

  DIBuilder *D = unwrap(Dref);

  auto *LB = D->createLexicalBlock(unwrap<DILocalScope>(Scope),

                                   unwrap<DIFile>(File), Line, Column);

  return wrap(LB);

}

LLVMMetadataRef LLVMDIBuilderCreateLexicalBlockFile(LLVMDIBuilderRef Dref,

                                                    LLVMMetadataRef Scope,

                                                    LLVMMetadataRef File,

                                                    unsigned Discriminator) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createLexicalBlockFile(unwrap<DILocalScope>(Scope),

                                        unwrap<DIFile>(File), Discriminator));

}

LLVMMetadataRef LLVMDIBuilderCreateFunction(

    LLVMDIBuilderRef Dref, LLVMMetadataRef Scope, const char *Name,

    const char *LinkageName, LLVMMetadataRef File, unsigned Line,

    LLVMMetadataRef CompositeType, int IsLocalToUnit, int IsDefinition,

    unsigned ScopeLine, unsigned Flags, int IsOptimized, LLVMValueRef Func) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createFunction(unwrap<DIScope>(Scope), Name, LinkageName,

                                File ? unwrap<DIFile>(File) : nullptr, Line,

                                unwrap<DISubroutineType>(CompositeType),

                                IsLocalToUnit, IsDefinition, ScopeLine, Flags,

                                IsOptimized, unwrap<Function>(Func)));

}

LLVMMetadataRef LLVMDIBuilderCreateAutoVariable(

    LLVMDIBuilderRef Dref, LLVMMetadataRef Scope,

    const char *Name, LLVMMetadataRef File, unsigned Line, LLVMMetadataRef Ty,

    int AlwaysPreserve, unsigned Flags) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createAutoVariable(

		  unwrap<DIScope>(Scope), StringRef(Name), unwrap<DIFile>(File), Line,

		  unwrap<DIType>(Ty), (bool)AlwaysPreserve, Flags));

}

LLVMMetadataRef LLVMDIBuilderCreateParameterVariable(

    LLVMDIBuilderRef Dref, LLVMMetadataRef Scope,

    const char *Name, LLVMMetadataRef File, unsigned Line, LLVMMetadataRef Ty,

    int AlwaysPreserve, unsigned Flags, unsigned ArgNo) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createParameterVariable(

		  unwrap<DIScope>(Scope), StringRef(Name), ArgNo, unwrap<DIFile>(File), Line,

		  unwrap<DIType>(Ty), (bool)AlwaysPreserve, Flags));

}

LLVMMetadataRef LLVMDIBuilderCreateBasicType(LLVMDIBuilderRef Dref,

                                             const char *Name,

                                             uint64_t SizeInBits,

                                             uint64_t AlignInBits,

                                             unsigned Encoding) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createBasicType(Name, SizeInBits, AlignInBits, Encoding));

}

LLVMMetadataRef LLVMDIBuilderCreatePointerType(LLVMDIBuilderRef Dref,

                                               LLVMMetadataRef PointeeType,

                                               uint64_t SizeInBits,

                                               uint64_t AlignInBits,

                                               const char *Name) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createPointerType(unwrap<DIType>(PointeeType), SizeInBits,

                                   AlignInBits, Name));

}

LLVMMetadataRef

LLVMDIBuilderCreateSubroutineType(LLVMDIBuilderRef Dref, LLVMMetadataRef File,

                                  LLVMMetadataRef ParameterTypes) {

  DIBuilder *D = unwrap(Dref);

  return wrap(

      D->createSubroutineType(File ? unwrap<DIFile>(File) : nullptr,

                              DITypeRefArray(unwrap<MDTuple>(ParameterTypes))));

}

LLVMMetadataRef LLVMDIBuilderCreateStructType(

    LLVMDIBuilderRef Dref, LLVMMetadataRef Scope, const char *Name,

    LLVMMetadataRef File, unsigned Line, uint64_t SizeInBits,

    uint64_t AlignInBits, unsigned Flags, LLVMMetadataRef DerivedFrom,

    LLVMMetadataRef ElementTypes) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createStructType(

      unwrap<DIScope>(Scope), Name, File ? unwrap<DIFile>(File) : nullptr, Line,

      SizeInBits, AlignInBits, Flags,

      DerivedFrom ? unwrap<DIType>(DerivedFrom) : nullptr,

      ElementTypes ? DINodeArray(unwrap<MDTuple>(ElementTypes)) : nullptr));

}

LLVMMetadataRef LLVMDIBuilderCreateReplaceableCompositeType(

    LLVMDIBuilderRef Dref, unsigned Tag, const char *Name,

    LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line,

    unsigned RuntimeLang, uint64_t SizeInBits, uint64_t AlignInBits,

    unsigned Flags) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createReplaceableCompositeType(

      Tag, Name, unwrap<DIScope>(Scope), File ? unwrap<DIFile>(File) : nullptr,

      Line, RuntimeLang, SizeInBits, AlignInBits, Flags));

}

LLVMMetadataRef

LLVMDIBuilderCreateMemberType(LLVMDIBuilderRef Dref, LLVMMetadataRef Scope,

                              const char *Name, LLVMMetadataRef File,

                              unsigned Line, uint64_t SizeInBits,

                              uint64_t AlignInBits, uint64_t OffsetInBits,

                              unsigned Flags, LLVMMetadataRef Ty) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createMemberType(

      unwrap<DIScope>(Scope), Name, File ? unwrap<DIFile>(File) : nullptr, Line,

      SizeInBits, AlignInBits, OffsetInBits, Flags, unwrap<DIType>(Ty)));

}

LLVMMetadataRef LLVMDIBuilderCreateArrayType(LLVMDIBuilderRef Dref,

                                             uint64_t SizeInBits,

                                             uint64_t AlignInBits,

                                             LLVMMetadataRef ElementType,

                                             LLVMMetadataRef Subscripts) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createArrayType(SizeInBits, AlignInBits,

                                 unwrap<DIType>(ElementType),

                                 DINodeArray(unwrap<MDTuple>(Subscripts))));

}

LLVMMetadataRef LLVMDIBuilderCreateTypedef(LLVMDIBuilderRef Dref,

                                           LLVMMetadataRef Ty, const char *Name,

                                           LLVMMetadataRef File, unsigned Line,

                                           LLVMMetadataRef Context) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createTypedef(unwrap<DIType>(Ty), Name,

                               File ? unwrap<DIFile>(File) : nullptr, Line,

                               Context ? unwrap<DIScope>(Context) : nullptr));

}

LLVMMetadataRef LLVMDIBuilderGetOrCreateSubrange(LLVMDIBuilderRef Dref,

                                                 int64_t Lo, int64_t Count) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->getOrCreateSubrange(Lo, Count));

}

LLVMMetadataRef LLVMDIBuilderGetOrCreateArray(LLVMDIBuilderRef Dref,

                                              LLVMMetadataRef *Data,

                                              size_t Length) {

  DIBuilder *D = unwrap(Dref);

  Metadata **DataValue = unwrap(Data);

  ArrayRef<Metadata *> Elements(DataValue, Length);

  DINodeArray A = D->getOrCreateArray(Elements);

  return wrap(A.get());

}

LLVMMetadataRef LLVMDIBuilderGetOrCreateTypeArray(LLVMDIBuilderRef Dref,

                                                  LLVMMetadataRef *Data,

                                                  size_t Length) {

  DIBuilder *D = unwrap(Dref);

  Metadata **DataValue = unwrap(Data);

  ArrayRef<Metadata *> Elements(DataValue, Length);

  DITypeRefArray A = D->getOrCreateTypeArray(Elements);

  return wrap(A.get());

}

LLVMMetadataRef LLVMDIBuilderCreateExpression(LLVMDIBuilderRef Dref,

                                              int64_t *Addr, size_t Length) {

  DIBuilder *D = unwrap(Dref);

  return wrap(D->createExpression(ArrayRef<int64_t>(Addr, Length)));

}

LLVMValueRef LLVMDIBuilderInsertDeclareAtEnd(LLVMDIBuilderRef Dref,

                                             LLVMValueRef Storage,

                                             LLVMMetadataRef VarInfo,

                                             LLVMMetadataRef Expr,

                                             LLVMBasicBlockRef Block) {

  DIBuilder *D = unwrap(Dref);

  Instruction *Instr = D->insertDeclare(

      unwrap(Storage), unwrap<DILocalVariable>(VarInfo),

  return wrap(Instr);

}

LLVMValueRef LLVMDIBuilderInsertValueAtEnd(LLVMDIBuilderRef Dref,

                                           LLVMValueRef Val, uint64_t Offset,

                                           LLVMMetadataRef VarInfo,

                                           LLVMMetadataRef Expr,

                                           LLVMBasicBlockRef Block) {

  DIBuilder *D = unwrap(Dref);

  Instruction *Instr = D->insertDbgValueIntrinsic(

      unwrap(Val), Offset, unwrap<DILocalVariable>(VarInfo),

  return wrap(Instr);

}