[PATCH][llvm-c] Create Memory Buffer with memory ranges

[Chris Lattner]

On Feb 10, 2013, at 9:13 AM, Moritz Maxeiner <moritzmaxeiner at googlemail.com> wrote:

> Add two new functions to the C API:
> 
> LLVMCreateMemoryBufferWithMemoryRange - exposes MemoryBuffer::getMemBuffer
> LLVMCreateMemoryBufferWithMemoryRangeCopy - exposes MemoryBuffer::getMemBufferCopy

These new APIs should take a "const char*" + length.  The memory buffer may have embedded nul's in it.

-Chris


> 
> Index: include/llvm-c/Core.h
> ===================================================================
> --- include/llvm-c/Core.h    (revision 170197)
> +++ include/llvm-c/Core.h    (working copy)
> @@ -2547,6 +2547,11 @@
>                                                    char **OutMessage);
>  LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
>                                           char **OutMessage);
> +LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(const char *InputData,
> +                                                           const char *BufferName,
> +                                                           bool RequiresNullTerminator);
> +LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(const char *InputData,
> + const char *BufferName);
>  void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
> 
>  /**
> Index: lib/VMCore/Core.cpp
> ===================================================================
> --- lib/VMCore/Core.cpp    (revision 170197)
> +++ lib/VMCore/Core.cpp    (working copy)
> @@ -2364,6 +2364,26 @@
>    return 1;
>  }
> 
> +LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(
> +    const char *InputData,
> +    const char *BufferName,
> +    bool RequiresNullTerminator) {
> +
> +  return wrap(MemoryBuffer::getMemBuffer(
> +      StringRef(InputData),
> +      StringRef(BufferName),
> +      RequiresNullTerminator));
> +}
> +
> +LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(
> +    const char *InputData,
> +    const char *BufferName) {
> +
> +  return wrap(MemoryBuffer::getMemBufferCopy(
> +      StringRef(InputData),
> +      StringRef(BufferName)));
> +}
> +
>  void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf) {
>    delete unwrap(MemBuf);
>  }
> 
> 
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