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Populate default compilation environment as in rustboot.

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This commit is contained in:
Graydon Hoare 2011-03-01 15:57:55 -08:00
parent 0761c5f462
commit 348c77c31b
3 changed files with 44 additions and 7 deletions
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38
src/comp/driver/rustc.rs
View file

@ -2,6 +2,7 @@
import front.parser;
import front.token;
import front.eval;
import middle.trans;
import middle.resolve;
import middle.typeck;
@ -13,6 +14,30 @@ import std.option.none;
import std._str;
import std._vec;
fn default_environment(session.session sess,
str argv0,
str input) -> eval.env {
auto libc = "libc.so";
alt (sess.get_targ_cfg().os) {
case (session.os_win32) { libc = "msvcrt.dll"; }
case (session.os_macos) { libc = "libc.dylib"; }
case (session.os_linux) { libc = "libc.so.6"; }
}
ret
vec(
// Target bindings.
tup("target_os", eval.val_str(std.os.target_os())),
tup("target_arch", eval.val_str("x86")),
tup("target_libc", eval.val_str(libc)),
// Build bindings.
tup("build_compiler", eval.val_str(argv0)),
tup("build_input", eval.val_str(input))
);
}
impure fn parse_input(session.session sess,
parser.parser p,
str input) -> @front.ast.crate {
@ -25,9 +50,11 @@ impure fn parse_input(session.session sess,
fail;
}
impure fn compile_input(session.session sess, str input, str output,
impure fn compile_input(session.session sess,
eval.env env,
str input, str output,
bool shared) {
auto p = parser.new_parser(sess, 0, input);
auto p = parser.new_parser(sess, env, 0, input);
auto crate = parse_input(sess, p, input);
crate = resolve.resolve_crate(sess, crate);
crate = typeck.check_crate(sess, crate);
@ -131,16 +158,19 @@ impure fn main(vec[str] args) {
sess.err("no input filename");
}
case (some[str](?ifile)) {
auto env = default_environment(sess, args.(0), ifile);
alt (output_file) {
case (none[str]) {
let vec[str] parts = _str.split(ifile, '.' as u8);
parts = _vec.pop[str](parts);
parts += ".bc";
auto ofile = _str.concat(parts);
compile_input(sess, ifile, ofile, shared);
compile_input(sess, env, ifile, ofile, shared);
}
case (some[str](?ofile)) {
compile_input(sess, ifile, ofile, shared);
compile_input(sess, env, ifile, ofile, shared);
}
}
}