bjoernager/rust
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llvm::mk_object_file should really return an option, since the underlying LLVM function can fail. Fixes a crash on OS X when rust has bad dylibs within eyeshot.

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This commit is contained in:
Joshua Wise 2011-11-06 21:29:16 -05:00 • committed by Marijn Haverbeke
parent ba57ec24ea
commit 07bab92970
2 changed files with 8 additions and 4 deletions
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7
src/comp/lib/llvm.rs
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@ -1,4 +1,4 @@
import std::{vec, str};
import std::{vec, str, option};
import std::str::sbuf;
import llvm::{ModuleRef, ContextRef, TypeRef, TypeHandleRef, ValueRef,
@ -1057,9 +1057,10 @@ resource object_file_res(ObjectFile: ObjectFileRef) {
type object_file = {llof: ObjectFileRef, dtor: @object_file_res};
fn mk_object_file(llmb: MemoryBufferRef) -> object_file {
fn mk_object_file(llmb: MemoryBufferRef) -> option::t<object_file> {
let llof = llvm::LLVMCreateObjectFile(llmb);
ret {llof: llof, dtor: @object_file_res(llof)};
if llof as int == 0 { ret option::none::<object_file>; }
ret option::some::<object_file>({llof: llof, dtor: @object_file_res(llof)});
}
/* Memory-managed interface to section iterators. */