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Diffstat (limited to 'src/librustpkg/context.rs')
| -rw-r--r-- | src/librustpkg/context.rs | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/src/librustpkg/context.rs b/src/librustpkg/context.rs deleted file mode 100644 index 01df2bf1619..00000000000 --- a/src/librustpkg/context.rs +++ /dev/null @@ -1,347 +0,0 @@ -// Copyright 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. - -// Context data structure used by rustpkg - -use extra::workcache; -use rustc::driver::session; -use rustc::metadata::filesearch::rustlibdir; - -use std::hashmap::HashSet; - -#[deriving(Clone)] -pub struct Context { - // Config strings that the user passed in with --cfg - cfgs: ~[~str], - // Flags to pass to rustc - rustc_flags: RustcFlags, - // If use_rust_path_hack is true, rustpkg searches for sources - // in *package* directories that are in the RUST_PATH (for example, - // FOO/src/bar-0.1 instead of FOO). The flag doesn't affect where - // rustpkg stores build artifacts. - use_rust_path_hack: bool, -} - -#[deriving(Clone)] -pub struct BuildContext { - // Context for workcache - workcache_context: workcache::Context, - // Parsed command line options - context: Context, - // The root directory containing the Rust standard libraries - sysroot: Path -} - -impl BuildContext { - pub fn sysroot(&self) -> Path { - self.sysroot.clone() - } - - // Hack so that rustpkg can run either out of a rustc target dir, - // or the host dir - pub fn sysroot_to_use(&self) -> Path { - if !in_target(&self.sysroot) { - self.sysroot.clone() - } else { - let mut p = self.sysroot.clone(); - p.pop(); - p.pop(); - p.pop(); - p - } - } - - /// Returns the flags to pass to rustc, as a vector of strings - pub fn flag_strs(&self) -> ~[~str] { - self.context.flag_strs() - } - - pub fn compile_upto(&self) -> StopBefore { - self.context.compile_upto() - } - - pub fn add_library_path(&mut self, p: Path) { - debug!("Adding library path: {}", p.display()); - self.context.add_library_path(p); - } - - pub fn additional_library_paths(&self) -> HashSet<Path> { - self.context.rustc_flags.additional_library_paths.clone() - } -} - -/* -Deliberately unsupported rustc flags: - --bin, --lib inferred from crate file names - -L inferred from extern mods - --out-dir inferred from RUST_PATH - --test use `rustpkg test` - -v -h --ls don't make sense with rustpkg - -W -A -D -F - use pragmas instead - -rustc flags that aren't implemented yet: - --passes - --llvm-arg - --target-feature - --android-cross-path -*/ -pub struct RustcFlags { - compile_upto: StopBefore, - // Linker to use with the --linker flag - linker: Option<~str>, - // Extra arguments to pass to rustc with the --link-args flag - link_args: Option<~str>, - // Optimization level. 0 = default. -O = 2. - optimization_level: session::OptLevel, - // True if the user passed in --save-temps - save_temps: bool, - // Target (defaults to rustc's default target) - target: Option<~str>, - // Target CPU (defaults to rustc's default target CPU) - target_cpu: Option<~str>, - // Additional library directories, which get passed with the -L flag - // This can't be set with a rustpkg flag, only from package scripts - additional_library_paths: HashSet<Path>, - // Any -Z features - experimental_features: Option<~[~str]> -} - -impl Clone for RustcFlags { - fn clone(&self) -> RustcFlags { - RustcFlags { - compile_upto: self.compile_upto, - linker: self.linker.clone(), - link_args: self.link_args.clone(), - optimization_level: self.optimization_level, - save_temps: self.save_temps, - target: self.target.clone(), - target_cpu: self.target_cpu.clone(), - additional_library_paths: self.additional_library_paths.clone(), - experimental_features: self.experimental_features.clone() - } - } -} - -#[deriving(Eq)] -pub enum StopBefore { - Nothing, // compile everything - Link, // --no-link - LLVMCompileBitcode, // --emit-llvm without -S - LLVMAssemble, // -S --emit-llvm - Assemble, // -S without --emit-llvm - Trans, // --no-trans - Pretty, // --pretty - Analysis, // --parse-only -} - -impl Context { - - /// Returns the flags to pass to rustc, as a vector of strings - pub fn flag_strs(&self) -> ~[~str] { - self.rustc_flags.flag_strs() - } - - pub fn compile_upto(&self) -> StopBefore { - self.rustc_flags.compile_upto - } - - pub fn add_library_path(&mut self, p: Path) { - self.rustc_flags.additional_library_paths.insert(p); - } -} - -/// We assume that if ../../rustlib exists, then we're running -/// rustpkg from a Rust target directory. This is part of a -/// kludgy hack used to adjust the sysroot. -pub fn in_target(sysroot: &Path) -> bool { - debug!("Checking whether {} is in target", sysroot.display()); - let mut p = sysroot.dir_path(); - p.pop(); - p.push(rustlibdir()); - p.is_dir() -} - -impl RustcFlags { - fn flag_strs(&self) -> ~[~str] { - let linker_flag = match self.linker { - Some(ref l) => ~[~"--linker", l.clone()], - None => ~[] - }; - let link_args_flag = match self.link_args { - Some(ref l) => ~[~"--link-args", l.clone()], - None => ~[] - }; - let save_temps_flag = if self.save_temps { ~[~"--save-temps"] } else { ~[] }; - let target_flag = match self.target { - Some(ref l) => ~[~"--target", l.clone()], - None => ~[] - }; - let target_cpu_flag = match self.target_cpu { - Some(ref l) => ~[~"--target-cpu", l.clone()], - None => ~[] - }; - let z_flags = match self.experimental_features { - Some(ref ls) => ls.flat_map(|s| ~[~"-Z", s.clone()]), - None => ~[] - }; - linker_flag - + link_args_flag - + save_temps_flag - + target_flag - + target_cpu_flag - + z_flags + (match self.compile_upto { - LLVMCompileBitcode => ~[~"--emit-llvm"], - LLVMAssemble => ~[~"--emit-llvm", ~"-S"], - Link => ~[~"-c"], - Trans => ~[~"--no-trans"], - Assemble => ~[~"-S"], - // n.b. Doesn't support all flavors of --pretty (yet) - Pretty => ~[~"--pretty"], - Analysis => ~[~"--parse-only"], - Nothing => ~[] - }) - } - - pub fn default() -> RustcFlags { - RustcFlags { - linker: None, - link_args: None, - compile_upto: Nothing, - optimization_level: session::Default, - save_temps: false, - target: None, - target_cpu: None, - additional_library_paths: HashSet::new(), - experimental_features: None - } - } -} - - -#[deriving(Eq)] -pub enum Command { - BuildCmd, - CleanCmd, - DoCmd, - HelpCmd, - InfoCmd, - InitCmd, - InstallCmd, - ListCmd, - PreferCmd, - TestCmd, - UninstallCmd, - UnpreferCmd, -} - -impl FromStr for Command { - - fn from_str(s: &str) -> Option<Command> { - match s { - &"build" => Some(BuildCmd), - &"clean" => Some(CleanCmd), - &"do" => Some(DoCmd), - &"help" => Some(HelpCmd), - &"info" => Some(InfoCmd), - &"install" => Some(InstallCmd), - &"list" => Some(ListCmd), - &"prefer" => Some(PreferCmd), - &"test" => Some(TestCmd), - &"init" => Some(InitCmd), - &"uninstall" => Some(UninstallCmd), - &"unprefer" => Some(UnpreferCmd), - _ => None - } - } -} - -/// Returns true if any of the flags given are incompatible with the cmd -pub fn flags_forbidden_for_cmd(flags: &RustcFlags, - cfgs: &[~str], - cmd: Command, user_supplied_opt_level: bool) -> bool { - let complain = |s| { - println!("The {} option can only be used with the `build` command: - rustpkg [options..] build {} [package-ID]", s, s); - }; - - if flags.linker.is_some() && cmd != BuildCmd && cmd != InstallCmd { - println!("The --linker option can only be used with the build or install commands."); - return true; - } - if flags.link_args.is_some() && cmd != BuildCmd && cmd != InstallCmd { - println!("The --link-args option can only be used with the build or install commands."); - return true; - } - - if !cfgs.is_empty() && cmd != BuildCmd && cmd != InstallCmd && cmd != TestCmd { - println!("The --cfg option can only be used with the build, test, or install commands."); - return true; - } - - if user_supplied_opt_level && cmd != BuildCmd && cmd != InstallCmd { - println!("The -O and --opt-level options can only be used with the build \ - or install commands."); - return true; - } - - if flags.save_temps && cmd != BuildCmd && cmd != InstallCmd { - println!("The --save-temps option can only be used with the build \ - or install commands."); - return true; - } - - if flags.target.is_some() && cmd != BuildCmd && cmd != InstallCmd { - println!("The --target option can only be used with the build \ - or install commands."); - return true; - } - if flags.target_cpu.is_some() && cmd != BuildCmd && cmd != InstallCmd { - println!("The --target-cpu option can only be used with the build \ - or install commands."); - return true; - } - if flags.experimental_features.is_some() && cmd != BuildCmd && cmd != InstallCmd { - println!("The -Z option can only be used with the build or install commands."); - return true; - } - - match flags.compile_upto { - Link if cmd != BuildCmd => { - complain("--no-link"); - true - } - Trans if cmd != BuildCmd => { - complain("--no-trans"); - true - } - Assemble if cmd != BuildCmd => { - complain("-S"); - true - } - Pretty if cmd != BuildCmd => { - complain("--pretty"); - true - } - Analysis if cmd != BuildCmd => { - complain("--parse-only"); - true - } - LLVMCompileBitcode if cmd != BuildCmd => { - complain("--emit-llvm"); - true - } - LLVMAssemble if cmd != BuildCmd => { - complain("--emit-llvm"); - true - } - _ => false - } -} - |