moved crates in lib/ to src/, renamed crates, modified some files' text (#660)

moved crates in lib/ to src/, renamed crates, modified some files' text (#660)

cranelift/filetests/src/lib.rs

@@ -0,0 +1,132 @@
+//! File tests.
+//!
+//! This crate contains the main test driver as well as implementations of the
+//! available filetest commands.
+
+#![deny(
+    missing_docs,
+    trivial_numeric_casts,
+    unused_extern_crates,
+    unstable_features
+)]
+#![warn(unused_import_braces)]
+#![cfg_attr(feature = "cargo-clippy", allow(clippy::type_complexity))]
+#![cfg_attr(
+    feature = "cargo-clippy",
+    warn(
+        clippy::mut_mut,
+        clippy::nonminimal_bool,
+        clippy::option_map_unwrap_or,
+        clippy::option_map_unwrap_or_else,
+        clippy::unicode_not_nfc,
+        clippy::use_self
+    )
+)]
+
+use crate::runner::TestRunner;
+use cranelift_codegen::timing;
+use cranelift_reader::TestCommand;
+use std::path::Path;
+use std::time;
+
+mod concurrent;
+mod match_directive;
+mod runner;
+mod runone;
+mod subtest;
+
+mod test_binemit;
+mod test_cat;
+mod test_compile;
+mod test_dce;
+mod test_domtree;
+mod test_legalizer;
+mod test_licm;
+mod test_postopt;
+mod test_preopt;
+mod test_print_cfg;
+mod test_regalloc;
+mod test_shrink;
+mod test_simple_gvn;
+mod test_simple_preopt;
+mod test_verifier;
+
+/// The result of running the test in a file.
+type TestResult = Result<time::Duration, String>;
+
+/// Main entry point for `clif-util test`.
+///
+/// Take a list of filenames which can be either `.clif` files or directories.
+///
+/// Files are interpreted as test cases and executed immediately.
+///
+/// Directories are scanned recursively for test cases ending in `.clif`. These test cases are
+/// executed on background threads.
+///
+pub fn run(verbose: bool, report_times: bool, files: &[String]) -> TestResult {
+    let mut runner = TestRunner::new(verbose, report_times);
+
+    for path in files.iter().map(Path::new) {
+        if path.is_file() {
+            runner.push_test(path);
+        } else {
+            runner.push_dir(path);
+        }
+    }
+
+    runner.start_threads();
+    runner.run()
+}
+
+/// Used for 'pass' subcommand.
+/// Commands are interpreted as test and executed.
+///
+/// Directories are scanned recursively for test cases ending in `.clif`.
+///
+pub fn run_passes(
+    verbose: bool,
+    report_times: bool,
+    passes: &[String],
+    target: &str,
+    file: &str,
+) -> TestResult {
+    let mut runner = TestRunner::new(verbose, /* report_times */ false);
+
+    let path = Path::new(file);
+    if path == Path::new("-") || path.is_file() {
+        runner.push_test(path);
+    } else {
+        runner.push_dir(path);
+    }
+
+    let result = runner.run_passes(passes, target);
+    if report_times {
+        println!("{}", timing::take_current());
+    }
+    result
+}
+
+/// Create a new subcommand trait object to match `parsed.command`.
+///
+/// This function knows how to create all of the possible `test <foo>` commands that can appear in
+/// a `.clif` test file.
+fn new_subtest(parsed: &TestCommand) -> subtest::SubtestResult<Box<subtest::SubTest>> {
+    match parsed.command {
+        "binemit" => test_binemit::subtest(parsed),
+        "cat" => test_cat::subtest(parsed),
+        "compile" => test_compile::subtest(parsed),
+        "dce" => test_dce::subtest(parsed),
+        "domtree" => test_domtree::subtest(parsed),
+        "legalizer" => test_legalizer::subtest(parsed),
+        "licm" => test_licm::subtest(parsed),
+        "postopt" => test_postopt::subtest(parsed),
+        "simple_preopt" => test_simple_preopt::subtest(parsed),
+        "print-cfg" => test_print_cfg::subtest(parsed),
+        "regalloc" => test_regalloc::subtest(parsed),
+        "shrink" => test_shrink::subtest(parsed),
+        "simple-gvn" => test_simple_gvn::subtest(parsed),
+        "verifier" => test_verifier::subtest(parsed),
+        "preopt" => test_preopt::subtest(parsed),
+        _ => Err(format!("unknown test command '{}'", parsed.command)),
+    }
+}