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Diffstat (limited to 'src/librustpkg/parse_args.rs')
| -rw-r--r-- | src/librustpkg/parse_args.rs | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/src/librustpkg/parse_args.rs b/src/librustpkg/parse_args.rs deleted file mode 100644 index 9a9a9c5fccb..00000000000 --- a/src/librustpkg/parse_args.rs +++ /dev/null @@ -1,196 +0,0 @@ -// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -use context::{Context, RustcFlags, Trans, Link, Nothing, Pretty, Analysis, Assemble, - LLVMAssemble, LLVMCompileBitcode}; -use context::{Command, flags_forbidden_for_cmd}; -use rustc::version; -use exit_codes::{BAD_FLAG_CODE}; -use rustc::driver::{session}; - -use usage; - -use extra::{getopts}; -use std::{result}; -use std::hashmap::HashSet; - -/// Result of parsing command line arguments -pub struct ParseResult { - // Command - command: Command, - // Args - args: ~[~str], - // Parsed command line flags - context: Context, - // Path to system root - sysroot: Option<~str> -} - -/// Parses command line arguments of rustpkg. -/// Returns a triplet (command, remaining_args, context) -pub fn parse_args(args: &[~str]) -> Result<ParseResult, int> { - let opts = ~[ getopts::optflag("h"), getopts::optflag("help"), - getopts::optflag("no-link"), - getopts::optflag("no-trans"), - // n.b. Ignores different --pretty options for now - getopts::optflag("pretty"), - getopts::optflag("parse-only"), - getopts::optflag("S"), getopts::optflag("assembly"), - getopts::optmulti("c"), getopts::optmulti("cfg"), - getopts::optflag("v"), getopts::optflag("version"), - getopts::optflag("r"), getopts::optflag("rust-path-hack"), - getopts::optopt("sysroot"), - getopts::optflag("emit-llvm"), - getopts::optopt("linker"), - getopts::optopt("link-args"), - getopts::optopt("opt-level"), - getopts::optflag("O"), - getopts::optflag("save-temps"), - getopts::optopt("target"), - getopts::optopt("target-cpu"), - getopts::optmulti("Z") ]; - let matches = &match getopts::getopts(args, opts) { - result::Ok(m) => m, - result::Err(f) => { - error!("{}", f.to_err_msg()); - return Err(1); - } - }; - let no_link = matches.opt_present("no-link"); - let no_trans = matches.opt_present("no-trans"); - let supplied_sysroot = matches.opt_str("sysroot"); - let generate_asm = matches.opt_present("S") || - matches.opt_present("assembly"); - let parse_only = matches.opt_present("parse-only"); - let pretty = matches.opt_present("pretty"); - let emit_llvm = matches.opt_present("emit-llvm"); - - if matches.opt_present("h") || - matches.opt_present("help") { - usage::general(); - return Err(0); - } - - if matches.opt_present("v") || - matches.opt_present("version") { - version(args[0]); - return Err(0); - } - - let use_rust_path_hack = matches.opt_present("r") || - matches.opt_present("rust-path-hack"); - - let linker = matches.opt_str("linker"); - let link_args = matches.opt_str("link-args"); - let cfgs = matches.opt_strs("cfg") + matches.opt_strs("c"); - let mut user_supplied_opt_level = true; - let opt_level = match matches.opt_str("opt-level") { - Some(~"0") => session::No, - Some(~"1") => session::Less, - Some(~"2") => session::Default, - Some(~"3") => session::Aggressive, - _ if matches.opt_present("O") => session::Default, - _ => { - user_supplied_opt_level = false; - session::No - } - }; - - let save_temps = matches.opt_present("save-temps"); - let target = matches.opt_str("target"); - let target_cpu = matches.opt_str("target-cpu"); - let experimental_features = { - let strs = matches.opt_strs("Z"); - if matches.opt_present("Z") { - Some(strs) - } - else { - None - } - }; - - let mut args = matches.free.clone(); - args.shift(); - - if args.len() < 1 { - usage::general(); - return Err(1); - } - - let rustc_flags = RustcFlags { - linker: linker, - link_args: link_args, - optimization_level: opt_level, - compile_upto: if no_trans { - Trans - } else if no_link { - Link - } else if pretty { - Pretty - } else if parse_only { - Analysis - } else if emit_llvm && generate_asm { - LLVMAssemble - } else if generate_asm { - Assemble - } else if emit_llvm { - LLVMCompileBitcode - } else { - Nothing - }, - save_temps: save_temps, - target: target, - target_cpu: target_cpu, - additional_library_paths: - HashSet::new(), // No way to set this from the rustpkg command line - experimental_features: experimental_features - }; - - let cmd_opt = args.iter().filter_map( |s| from_str(s.clone())).next(); - let command = match cmd_opt { - None => { - debug!("No legal command. Returning 0"); - usage::general(); - return Err(0); - } - Some(cmd) => { - let bad_option = flags_forbidden_for_cmd(&rustc_flags, - cfgs, - cmd, - user_supplied_opt_level); - if bad_option { - usage::usage_for_command(cmd); - debug!("Bad option, returning BAD_FLAG_CODE"); - return Err(BAD_FLAG_CODE); - } else { - cmd - } - } - }; - - // Pop off all flags, plus the command - let mut remaining_args: ~[~str] = args.iter().skip_while(|&s| { - let maybe_command: Option<Command> = from_str(*s); - maybe_command.is_none() - }).map(|s| s.clone()).collect(); - remaining_args.shift(); - - let context = Context{ - rustc_flags: rustc_flags, - cfgs: cfgs, - use_rust_path_hack: use_rust_path_hack, - }; - Ok(ParseResult { - command: command, - args: remaining_args, - context: context, - sysroot: supplied_sysroot - }) -} |