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rustc: Open "use"d crates with the LLVM object file reader

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This commit is contained in:
Patrick Walton 2011-03-15 18:05:29 -07:00
parent 71b6e602c5
commit 6fdb81fa17
2 changed files with 27 additions and 3 deletions
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29
src/comp/front/creader.rs
View File

@ -2,11 +2,17 @@
import driver.session;
import front.ast;
import lib.llvm.llvmext;
import lib.llvm.mk_memory_buffer;
import lib.llvm.mk_object_file;
import lib.llvm.mk_section_iter;
import middle.fold;
import util.common;
import util.common.span;
import std._str;
import std.fs;
import std.os;
import std.map.hashmap;
// TODO: map to a real type here.
@ -17,12 +23,29 @@ type env = @rec(
// TODO: return something
fn load_crate(ast.ident ident, vec[str] library_search_paths) -> @() {
auto filename = os.dylib_filename(ident);
for (str library_search_path in library_search_paths) {
auto path = fs.connect(library_search_path, ident);
// TODO
auto path = fs.connect(library_search_path, filename);
auto pb = _str.buf(path);
auto llmb = llvmext.LLVMRustCreateMemoryBufferWithContentsOfFile(pb);
if ((llmb as int) != 0) {
auto llof = mk_object_file(llmb);
if ((llof.llof as int) != 0) {
auto llsi = mk_section_iter(llof.llof);
while ((llvmext.LLVMIsSectionIteratorAtEnd(llof.llof,
llsi.llsi) as int) == 0) {
// TODO: check name, pass contents off.
llvmext.LLVMMoveToNextSection(llsi.llsi);
}
}
}
}
ret @();
// TODO: write line number of "use" statement
log #fmt("can't find a crate named '%s' (looked for '%s' in %s)",
ident, filename, _str.connect(library_search_paths, ", "));
fail;
}
fn fold_view_item_use(&env e, &span sp, ast.ident ident,

1
src/comp/rustc.rc
View File

@ -42,6 +42,7 @@ mod util {
}
auth driver.rustc.main = impure;
auth front.creader.load_crate = unsafe;
auth middle.metadata = unsafe;
auth middle.trans = unsafe;
auth middle.trans.copy_args_to_allocas = impure;