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rustc: Pull some uses of early_error up into build_target_config

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This commit is contained in:
Brian Anderson 2012-01-13 23:03:37 -08:00
parent 876e9fdc06
commit e78b1040e7
1 changed files with 19 additions and 13 deletions
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32
src/comp/driver/driver.rs
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@ -289,36 +289,42 @@ fn pretty_print_input(sess: session::session, cfg: ast::crate_cfg, input: str,
io::string_reader(src), io::stdout(), ann);
}
fn get_os(triple: str) -> session::os {
fn get_os(triple: str) -> option<session::os> {
ret if str::find(triple, "win32") >= 0 ||
str::find(triple, "mingw32") >= 0 {
session::os_win32
some(session::os_win32)
} else if str::find(triple, "darwin") >= 0 {
session::os_macos
some(session::os_macos)
} else if str::find(triple, "linux") >= 0 {
session::os_linux
some(session::os_linux)
} else if str::find(triple, "freebsd") >= 0 {
session::os_freebsd
} else { early_error("Unknown operating system!") };
some(session::os_freebsd)
} else { none };
}
fn get_arch(triple: str) -> session::arch {
fn get_arch(triple: str) -> option<session::arch> {
ret if str::find(triple, "i386") >= 0 || str::find(triple, "i486") >= 0 ||
str::find(triple, "i586") >= 0 ||
str::find(triple, "i686") >= 0 ||
str::find(triple, "i786") >= 0 {
session::arch_x86
some(session::arch_x86)
} else if str::find(triple, "x86_64") >= 0 {
session::arch_x86_64
some(session::arch_x86_64)
} else if str::find(triple, "arm") >= 0 ||
str::find(triple, "xscale") >= 0 {
session::arch_arm
} else { early_error("Unknown architecture! " + triple) };
some(session::arch_arm)
} else { none };
}
fn build_target_config(sopts: @session::options) -> @session::config {
let os = get_os(sopts.target_triple);
let arch = get_arch(sopts.target_triple);
let os = alt get_os(sopts.target_triple) {
some(os) { os }
none. { early_error("Unknown operating system!") }
};
let arch = alt get_arch(sopts.target_triple) {
some(arch) { arch }
none. { early_error("Unknown architecture! " + sopts.target_triple) }
};
let (int_type, uint_type, float_type) = alt arch {
session::arch_x86. {(ast::ty_i32, ast::ty_u32, ast::ty_f64)}
session::arch_x86_64. {(ast::ty_i64, ast::ty_u64, ast::ty_f64)}