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llvm-mirror/bindings/go/llvm/support.go
Peter Collingbourne 22590da2c9 Initial version of Go bindings.
This code is based on the existing LLVM Go bindings project hosted at:
https://github.com/go-llvm/llvm

Note that all contributors to the gollvm project have agreed to relicense
their changes under the LLVM license and submit them to the LLVM project.

Differential Revision: http://reviews.llvm.org/D5684

llvm-svn: 219976
2014-10-16 22:48:02 +00:00

55 lines
1.5 KiB
Go

//===- support.go - Bindings for support ----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines bindings for the support component.
//
//===----------------------------------------------------------------------===//
package llvm
/*
#include "llvm-c/Support.h"
#include "SupportBindings.h"
#include <stdlib.h>
*/
import "C"
import (
"errors"
"unsafe"
)
// Loads a dynamic library such that it may be used as an LLVM plugin.
// See llvm::sys::DynamicLibrary::LoadLibraryPermanently.
func LoadLibraryPermanently(lib string) error {
var errstr *C.char
libstr := C.CString(lib)
defer C.free(unsafe.Pointer(libstr))
C.LLVMLoadLibraryPermanently2(libstr, &errstr)
if errstr != nil {
err := errors.New(C.GoString(errstr))
C.free(unsafe.Pointer(errstr))
return err
}
return nil
}
// Parse the given arguments using the LLVM command line parser.
// See llvm::cl::ParseCommandLineOptions.
func ParseCommandLineOptions(args []string, overview string) {
argstrs := make([]*C.char, len(args))
for i, arg := range args {
argstrs[i] = C.CString(arg)
defer C.free(unsafe.Pointer(argstrs[i]))
}
overviewstr := C.CString(overview)
defer C.free(unsafe.Pointer(overviewstr))
C.LLVMParseCommandLineOptions(C.int(len(args)), &argstrs[0], overviewstr)
}