// Copyright 2012-2014 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.
pub use self::Mode::*;

use std::fmt;
use std::str::FromStr;
use std::path::PathBuf;

#[derive(Clone, Copy, PartialEq, Debug)]
pub enum Mode {
    CompileFail,
    ParseFail,
    RunFail,
    RunPass,
    RunPassValgrind,
    Pretty,
    DebugInfoGdb,
    DebugInfoLldb,
    Codegen,
    Rustdoc,
}

impl FromStr for Mode {
    type Err = ();
    fn from_str(s: &str) -> Result<Mode, ()> {
        match s {
          "compile-fail" => Ok(CompileFail),
          "parse-fail" => Ok(ParseFail),
          "run-fail" => Ok(RunFail),
          "run-pass" => Ok(RunPass),
          "run-pass-valgrind" => Ok(RunPassValgrind),
          "pretty" => Ok(Pretty),
          "debuginfo-lldb" => Ok(DebugInfoLldb),
          "debuginfo-gdb" => Ok(DebugInfoGdb),
          "codegen" => Ok(Codegen),
          "rustdoc" => Ok(Rustdoc),
          _ => Err(()),
        }
    }
}

impl fmt::Display for Mode {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        fmt::Display::fmt(match *self {
            CompileFail => "compile-fail",
            ParseFail => "parse-fail",
            RunFail => "run-fail",
            RunPass => "run-pass",
            RunPassValgrind => "run-pass-valgrind",
            Pretty => "pretty",
            DebugInfoGdb => "debuginfo-gdb",
            DebugInfoLldb => "debuginfo-lldb",
            Codegen => "codegen",
            Rustdoc => "rustdoc",
        }, f)
    }
}

#[derive(Clone)]
pub struct Config {
    // The library paths required for running the compiler
    pub compile_lib_path: String,

    // The library paths required for running compiled programs
    pub run_lib_path: String,

    // The rustc executable
    pub rustc_path: PathBuf,

    // The rustdoc executable
    pub rustdoc_path: PathBuf,

    // The python executable
    pub python: String,

    // The llvm binaries path
    pub llvm_bin_path: Option<PathBuf>,

    // The valgrind path
    pub valgrind_path: Option<String>,

    // Whether to fail if we can't run run-pass-valgrind tests under valgrind
    // (or, alternatively, to silently run them like regular run-pass tests).
    pub force_valgrind: bool,

    // The directory containing the tests to run
    pub src_base: PathBuf,

    // The directory where programs should be built
    pub build_base: PathBuf,

    // Directory for auxiliary libraries
    pub aux_base: PathBuf,

    // The name of the stage being built (stage1, etc)
    pub stage_id: String,

    // The test mode, compile-fail, run-fail, run-pass
    pub mode: Mode,

    // Run ignored tests
    pub run_ignored: bool,

    // Only run tests that match this filter
    pub filter: Option<String>,

    // Write out a parseable log of tests that were run
    pub logfile: Option<PathBuf>,

    // A command line to prefix program execution with,
    // for running under valgrind
    pub runtool: Option<String>,

    // Flags to pass to the compiler when building for the host
    pub host_rustcflags: Option<String>,

    // Flags to pass to the compiler when building for the target
    pub target_rustcflags: Option<String>,

    // Target system to be tested
    pub target: String,

    // Host triple for the compiler being invoked
    pub host: String,

    // Version of GDB
    pub gdb_version: Option<String>,

    // Version of LLDB
    pub lldb_version: Option<String>,

    // Path to the android tools
    pub android_cross_path: PathBuf,

    // Extra parameter to run adb on arm-linux-androideabi
    pub adb_path: String,

    // Extra parameter to run test suite on arm-linux-androideabi
    pub adb_test_dir: String,

    // status whether android device available or not
    pub adb_device_status: bool,

    // the path containing LLDB's Python module
    pub lldb_python_dir: Option<String>,

    // Explain what's going on
    pub verbose: bool
}