669 lines
21 KiB
Rust
669 lines
21 KiB
Rust
import std::option;
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import std::getopts;
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import std::test;
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import std::fs;
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import std::str;
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import std::vec;
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import std::ivec;
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import std::io;
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import std::generic_os::setenv;
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import std::generic_os::getenv;
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import std::os;
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import std::run;
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import std::task;
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tag mode {
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mode_compile_fail;
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mode_run_fail;
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mode_run_pass;
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}
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type config = rec(// The library paths required for running the compiler
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str compile_lib_path,
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// The library paths required for running compiled programs
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str run_lib_path,
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// The rustc executable
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str rustc_path,
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// The directory containing the tests to run
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str src_base,
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// The directory where programs should be built
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str build_base,
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// The name of the stage being built (stage1, etc)
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str stage_id,
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// The test mode, compile-fail, run-fail, run-pass
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mode mode,
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// Run ignored tests
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bool run_ignored,
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// Only run tests that match this filter
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option::t[str] filter,
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// A command line to prefix program execution with,
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// for running under valgrind
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option::t[str] runtool,
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// Flags to pass to the compiler
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option::t[str] rustcflags,
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// Explain what's going on
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bool verbose);
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fn main(vec[str] args) {
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auto ivec_args = {
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auto ivec_args = ~[];
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for (str arg in args) {
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ivec_args += ~[arg];
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}
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ivec_args
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};
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auto config = parse_config(ivec_args);
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log_config(config);
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run_tests(config);
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}
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fn parse_config(&str[] args) -> config {
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auto opts = ~[getopts::reqopt("compile-lib-path"),
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getopts::reqopt("run-lib-path"),
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getopts::reqopt("rustc-path"),
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getopts::reqopt("src-base"),
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getopts::reqopt("build-base"),
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getopts::reqopt("stage-id"),
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getopts::reqopt("mode"),
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getopts::optflag("ignored"),
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getopts::optopt("runtool"),
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getopts::optopt("rustcflags"),
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getopts::optflag("verbose")];
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check ivec::is_not_empty(args);
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auto args_ = ivec::tail(args);
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auto match = alt (getopts::getopts_ivec(args_, opts)) {
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getopts::success(?m) { m }
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getopts::failure(?f) {
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fail getopts::fail_str(f)
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}
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};
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ret rec(compile_lib_path = getopts::opt_str(match, "compile-lib-path"),
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run_lib_path = getopts::opt_str(match, "run-lib-path"),
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rustc_path = getopts::opt_str(match, "rustc-path"),
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src_base = getopts::opt_str(match, "src-base"),
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build_base = getopts::opt_str(match, "build-base"),
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stage_id = getopts::opt_str(match, "stage-id"),
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mode = alt getopts::opt_str(match, "mode") {
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"compile-fail" { mode_compile_fail }
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"run-fail" { mode_run_fail }
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"run-pass" { mode_run_pass }
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_ { fail "invalid mode" }
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},
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run_ignored = getopts::opt_present(match, "ignored"),
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filter = if vec::len(match.free) > 0u {
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option::some(match.free.(0))
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} else {
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option::none
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},
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runtool = getopts::opt_maybe_str(match, "runtool"),
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rustcflags = getopts::opt_maybe_str(match, "rustcflags"),
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verbose = getopts::opt_present(match, "verbose"));
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}
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fn log_config(&config config) {
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auto c = config;
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logv(c, #fmt("configuration:"));
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logv(c, #fmt("compile_lib_path: %s", config.compile_lib_path));
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logv(c, #fmt("run_lib_path: %s", config.run_lib_path));
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logv(c, #fmt("rustc_path: %s", config.rustc_path));
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logv(c, #fmt("src_base: %s", config.src_base));;
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logv(c, #fmt("build_base: %s", config.build_base));
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logv(c, #fmt("stage_id: %s", config.stage_id));
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logv(c, #fmt("mode: %s", mode_str(config.mode)));
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logv(c, #fmt("run_ignored: %b", config.run_ignored));
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logv(c, #fmt("filter: %s", alt (config.filter) {
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option::some(?f) { f }
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option::none { "(none)" }
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}));
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logv(c, #fmt("runtool: %s", alt (config.runtool) {
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option::some(?s) { s }
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option::none { "(none)" }
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}));
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logv(c, #fmt("rustcflags: %s", alt (config.rustcflags) {
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option::some(?s) { s }
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option::none { "(none)" }
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}));
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logv(c, #fmt("verbose: %b", config.verbose));
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logv(c, #fmt("\n"));
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}
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fn mode_str(mode mode) -> str {
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alt (mode) {
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mode_compile_fail { "compile-fail" }
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mode_run_fail { "run-fail" }
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mode_run_pass { "run-pass" }
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}
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}
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type cx = rec(config config,
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procsrv::handle procsrv);
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fn run_tests(&config config) {
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auto opts = test_opts(config);
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auto cx = rec(config = config,
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procsrv = procsrv::mk());
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auto tests = make_tests(cx);
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test::run_tests_console(opts, tests);
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procsrv::close(cx.procsrv);
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}
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fn test_opts(&config config) -> test::test_opts {
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rec(filter = config.filter,
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run_ignored = config.run_ignored)
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}
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fn make_tests(&cx cx) -> test::test_desc[] {
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log #fmt("making tests from %s", cx.config.src_base);
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auto tests = ~[];
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for (str file in fs::list_dir(cx.config.src_base)) {
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log #fmt("inspecting file %s", file);
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if (is_test(file)) {
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tests += ~[make_test(cx, file)];
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}
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}
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ret tests;
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}
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fn is_test(&str testfile) -> bool {
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auto name = fs::basename(testfile);
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(str::ends_with(name, ".rs") || str::ends_with(name, ".rc"))
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&& !(str::starts_with(name, ".")
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|| str::starts_with(name, "#")
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|| str::starts_with(name, "~"))
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}
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fn make_test(&cx cx, &str testfile) -> test::test_desc {
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rec(name = testfile,
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fn = make_test_fn(cx, testfile),
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ignore = is_test_ignored(cx.config, testfile))
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}
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fn is_test_ignored(&config config, &str testfile) -> bool {
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auto found = false;
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for each (str ln in iter_header(testfile)) {
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// FIXME: Can't return or break from iterator
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found = found || parse_name_directive(ln, "xfail-" + config.stage_id);
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}
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ret found;
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}
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iter iter_header(&str testfile) -> str {
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auto rdr = io::file_reader(testfile);
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while !rdr.eof() {
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auto ln = rdr.read_line();
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// Assume that any directives will be found before the
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// first module or function. This doesn't seem to be an optimization
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// with a warm page cache. Maybe with a cold one.
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if str::starts_with(ln, "fn") || str::starts_with(ln, "mod") {
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break;
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} else {
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put ln;
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}
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}
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}
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fn make_test_fn(&cx cx, &str testfile) -> test::test_fn {
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// We're doing some ferociously unsafe nonsense here by creating a closure
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// and letting the test runner spawn it into a task. To avoid having
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// different tasks fighting over their refcounts and then the wrong task
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// freeing a box we need to clone everything, and make sure our closure
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// outlives all the tasks.
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fn clonestr(&str s) -> str {
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str::unsafe_from_bytes(str::bytes(s))
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}
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fn cloneoptstr(&option::t[str] s) -> option::t[str] {
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alt s {
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option::some(?s) { option::some(clonestr(s)) }
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option::none { option::none }
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}
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}
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auto configclone = rec(
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compile_lib_path = clonestr(cx.config.compile_lib_path),
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run_lib_path = clonestr(cx.config.run_lib_path),
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rustc_path = clonestr(cx.config.rustc_path),
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src_base = clonestr(cx.config.src_base),
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build_base = clonestr(cx.config.build_base),
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stage_id = clonestr(cx.config.stage_id),
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mode = cx.config.mode,
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run_ignored = cx.config.run_ignored,
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filter = cloneoptstr(cx.config.filter),
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runtool = cloneoptstr(cx.config.runtool),
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rustcflags = cloneoptstr(cx.config.rustcflags),
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verbose = cx.config.verbose);
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auto cxclone = rec(config = configclone,
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procsrv = procsrv::clone(cx.procsrv));
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auto testfileclone = clonestr(testfile);
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ret bind run_test(cxclone, testfileclone);
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}
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fn run_test(cx cx, str testfile) {
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log #fmt("running %s", testfile);
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auto props = load_props(testfile);
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alt (cx.config.mode) {
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mode_compile_fail {
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run_cfail_test(cx, props, testfile);
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}
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mode_run_fail {
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run_rfail_test(cx, props, testfile);
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}
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mode_run_pass {
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run_rpass_test(cx, props, testfile);
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}
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}
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}
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type test_props = rec(str[] error_patterns,
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option::t[str] compile_flags);
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// Load any test directives embedded in the file
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fn load_props(&str testfile) -> test_props {
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auto error_patterns = ~[];
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auto compile_flags = option::none;
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for each (str ln in iter_header(testfile)) {
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alt parse_error_pattern(ln) {
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option::some(?ep) { error_patterns += ~[ep]; }
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option::none { }
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}
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if option::is_none(compile_flags) {
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compile_flags = parse_compile_flags(ln);
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}
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}
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ret rec(error_patterns = error_patterns,
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compile_flags = compile_flags);
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}
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fn parse_error_pattern(&str line) -> option::t[str] {
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parse_name_value_directive(line, "error-pattern")
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}
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fn parse_compile_flags(&str line) -> option::t[str] {
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parse_name_value_directive(line, "compile-flags")
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}
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fn parse_name_directive(&str line, &str directive) -> bool {
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str::find(line, directive) >= 0
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}
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fn parse_name_value_directive(&str line, &str directive) -> option::t[str] {
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auto keycolon = directive + ":";
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if str::find(line, keycolon) >= 0 {
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auto colon = str::find(line, keycolon) as uint;
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auto value = str::slice(line,
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colon + str::byte_len(keycolon),
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str::byte_len(line));
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log #fmt("%s: %s", directive, value);
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option::some(value)
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} else {
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option::none
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}
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}
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fn run_cfail_test(&cx cx, &test_props props, &str testfile) {
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auto procres = compile_test(cx, props, testfile);
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if (procres.status == 0) {
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fatal_procres("compile-fail test compiled successfully!", procres);
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}
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check_error_patterns(props, testfile, procres);
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}
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fn run_rfail_test(&cx cx, &test_props props, &str testfile) {
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auto procres = compile_test(cx, props, testfile);
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if (procres.status != 0) {
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fatal_procres("compilation failed!", procres);
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}
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procres = exec_compiled_test(cx, testfile);
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if (procres.status == 0) {
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fatal_procres("run-fail test didn't produce an error!",
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procres);
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}
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check_error_patterns(props, testfile, procres);
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}
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fn run_rpass_test(&cx cx, &test_props props, &str testfile) {
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auto procres = compile_test(cx, props, testfile);
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if (procres.status != 0) {
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fatal_procres("compilation failed!", procres);
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}
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procres = exec_compiled_test(cx, testfile);
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if (procres.status != 0) {
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fatal_procres("test run failed!", procres);
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}
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}
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fn check_error_patterns(&test_props props, &str testfile,
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&procres procres) {
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if ivec::is_empty(props.error_patterns) {
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fatal("no error pattern specified in " + testfile);
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}
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auto next_err_idx = 0u;
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auto next_err_pat = props.error_patterns.(next_err_idx);
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for (str line in str::split(procres.out, '\n' as u8)) {
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if (str::find(line, next_err_pat) > 0) {
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log #fmt("found error pattern %s", next_err_pat);
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next_err_idx += 1u;
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if next_err_idx == ivec::len(props.error_patterns) {
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log "found all error patterns";
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ret;
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}
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next_err_pat = props.error_patterns.(next_err_idx);
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}
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}
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auto missing_patterns = ivec::slice(props.error_patterns,
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next_err_idx,
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ivec::len(props.error_patterns));
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if (ivec::len(missing_patterns) == 1u) {
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fatal_procres(#fmt("error pattern '%s' not found!",
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missing_patterns.(0)),
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procres);
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} else {
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for (str pattern in missing_patterns) {
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error(#fmt("error pattern '%s' not found!", pattern));
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}
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fatal_procres("multiple error patterns not found", procres);
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}
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}
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type procargs = rec(str prog, vec[str] args);
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type procres = rec(int status, str out, str cmdline);
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fn compile_test(&cx cx, &test_props props,
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&str testfile) -> procres {
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compose_and_run(cx,
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testfile,
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bind make_compile_args(_, props, _),
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cx.config.compile_lib_path)
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}
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fn exec_compiled_test(&cx cx, &str testfile) -> procres {
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compose_and_run(cx,
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testfile,
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make_run_args,
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cx.config.run_lib_path)
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}
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fn compose_and_run(&cx cx, &str testfile,
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fn(&config, &str) -> procargs make_args,
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&str lib_path) -> procres {
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auto procargs = make_args(cx.config, testfile);
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ret program_output(cx, testfile, lib_path,
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procargs.prog, procargs.args);
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}
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fn make_compile_args(&config config, &test_props props,
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&str testfile) -> procargs {
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auto prog = config.rustc_path;
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auto args = [testfile,
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"-o", make_exe_name(config, testfile)];
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args += split_maybe_args(config.rustcflags);
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args += split_maybe_args(props.compile_flags);
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ret rec(prog = prog,
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args = args);
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}
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fn make_run_args(&config config, &str testfile) -> procargs {
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// If we've got another tool to run under (valgrind),
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// then split apart its command
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auto args = split_maybe_args(config.runtool)
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+ [make_exe_name(config, testfile)];
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ret rec(prog = args.(0),
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args = vec::slice(args, 1u, vec::len(args)));
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}
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fn split_maybe_args(&option::t[str] argstr) -> vec[str] {
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alt (argstr) {
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option::some(?s) { str::split(s, ' ' as u8) }
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option::none { [] }
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}
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}
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fn program_output(&cx cx, &str testfile,
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&str lib_path, &str prog, &vec[str] args) -> procres {
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auto cmdline = {
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auto cmdline = make_cmdline(lib_path, prog, args);
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logv(cx.config, #fmt("running %s", cmdline));
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cmdline
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};
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auto res = procsrv::run(cx.procsrv, lib_path, prog, args);
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dump_output(cx.config, testfile, res.out);
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ret rec(status = res.status,
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out = res.out,
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cmdline = cmdline);
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}
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fn make_cmdline(&str libpath, &str prog, &vec[str] args) -> str {
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#fmt("%s %s %s",
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lib_path_cmd_prefix(libpath),
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prog,
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str::connect(args, " "))
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}
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|
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// Build the LD_LIBRARY_PATH variable as it would be seen on the command line
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// for diagnostic purposes
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fn lib_path_cmd_prefix(&str path) -> str {
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#fmt("%s=\"%s\"", lib_path_env_var(), make_new_path(path))
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}
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fn make_new_path(&str path) -> str {
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// Windows just uses PATH as the library search path, so we have to
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// maintain the current value while adding our own
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alt getenv(lib_path_env_var()) {
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option::some(?curr) { #fmt("%s:%s", path, curr) }
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option::none { path }
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}
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}
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#[cfg(target_os = "linux")]
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fn lib_path_env_var() -> str { "LD_LIBRARY_PATH" }
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#[cfg(target_os = "macos")]
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fn lib_path_env_var() -> str { "DYLD_LIBRARY_PATH" }
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#[cfg(target_os = "win32")]
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fn lib_path_env_var() -> str { "PATH" }
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fn make_exe_name(&config config, &str testfile) -> str {
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output_base_name(config, testfile) + os::exec_suffix()
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}
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fn output_base_name(&config config, &str testfile) -> str {
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auto base = config.build_base;
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auto filename = {
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auto parts = str::split(fs::basename(testfile), '.' as u8);
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parts = vec::slice(parts, 0u, vec::len(parts) - 1u);
|
|
str::connect(parts, ".")
|
|
};
|
|
#fmt("%s%s.%s", base, filename, config.stage_id)
|
|
}
|
|
|
|
#[cfg(target_os = "win32")]
|
|
#[cfg(target_os = "linux")]
|
|
fn dump_output(&config config, &str testfile, &str out) {
|
|
auto outfile = make_out_name(config, testfile);
|
|
auto writer = io::file_writer(outfile, [io::create, io::truncate]);
|
|
writer.write_str(out);
|
|
maybe_dump_to_stdout(config, out);
|
|
}
|
|
|
|
// FIXME (726): Can't use file_writer on mac
|
|
#[cfg(target_os = "macos")]
|
|
fn dump_output(&config config, &str testfile, &str out) {
|
|
maybe_dump_to_stdout(config, out);
|
|
}
|
|
|
|
fn maybe_dump_to_stdout(&config config, &str out) {
|
|
if (config.verbose) {
|
|
io::stdout().write_line("------------------------------------------");
|
|
io::stdout().write_line(out);
|
|
io::stdout().write_line("------------------------------------------");
|
|
}
|
|
}
|
|
|
|
fn make_out_name(&config config, &str testfile) -> str {
|
|
output_base_name(config, testfile) + ".out"
|
|
}
|
|
|
|
fn error(&str err) {
|
|
io::stdout().write_line(#fmt("\nerror: %s", err));
|
|
}
|
|
|
|
fn fatal(&str err) -> ! {
|
|
error(err);
|
|
fail;
|
|
}
|
|
|
|
fn fatal_procres(&str err, procres procres) -> ! {
|
|
auto msg = #fmt("\n\
|
|
error: %s\n\
|
|
command: %s\n\
|
|
output:\n\
|
|
------------------------------------------\n\
|
|
%s\n\
|
|
------------------------------------------\n\
|
|
\n",
|
|
err, procres.cmdline, procres.out);
|
|
io::stdout().write_str(msg);
|
|
fail;
|
|
}
|
|
|
|
fn logv(&config config, &str s) {
|
|
log s;
|
|
if (config.verbose) {
|
|
io::stdout().write_line(s);
|
|
}
|
|
}
|
|
|
|
|
|
// So when running tests in parallel there's a potential race on environment
|
|
// variables if we let each task spawn its own children - between the time the
|
|
// environment is set and the process is spawned another task could spawn its
|
|
// child process. Because of that we have to use a complicated scheme with a
|
|
// dedicated server for spawning processes.
|
|
mod procsrv {
|
|
|
|
export handle;
|
|
export mk;
|
|
export clone;
|
|
export run;
|
|
export close;
|
|
|
|
type handle = rec(option::t[task] task,
|
|
chan[request] chan);
|
|
|
|
tag request {
|
|
exec(str, str, vec[str], chan[response]);
|
|
stop;
|
|
}
|
|
|
|
type response = rec(int pid, int outfd);
|
|
|
|
fn mk() -> handle {
|
|
auto res = task::worker(worker);
|
|
ret rec(task = option::some(res.task),
|
|
chan = res.chan);
|
|
}
|
|
|
|
fn clone(&handle handle) -> handle {
|
|
// Sharing tasks across tasks appears to be (yet another) recipe for
|
|
// disaster, so our handle clones will not get the task pointer.
|
|
rec(task = option::none,
|
|
chan = task::clone_chan(handle.chan))
|
|
}
|
|
|
|
fn close(&handle handle) {
|
|
task::send(handle.chan, stop);
|
|
task::join(option::get(handle.task));
|
|
}
|
|
|
|
fn run(&handle handle, &str lib_path,
|
|
&str prog, &vec[str] args) -> rec(int status, str out) {
|
|
auto p = port[response]();
|
|
auto ch = chan(p);
|
|
task::send(handle.chan,
|
|
exec(lib_path, prog, args, ch));
|
|
|
|
auto resp = task::recv(p);
|
|
// Copied from run::program_output
|
|
auto outfile = os::fd_FILE(resp.outfd);
|
|
auto reader = io::new_reader(io::FILE_buf_reader(outfile, false));
|
|
auto buf = "";
|
|
while (!reader.eof()) {
|
|
auto bytes = reader.read_bytes(4096u);
|
|
buf += str::unsafe_from_bytes(bytes);
|
|
}
|
|
os::libc::fclose(outfile);
|
|
ret rec(status = os::waitpid(resp.pid), out = buf);
|
|
}
|
|
|
|
fn worker(port[request] p) {
|
|
while (true) {
|
|
alt task::recv(p) {
|
|
exec(?lib_path, ?prog, ?args, ?respchan) {
|
|
// This is copied from run::start_program
|
|
auto pipe_in = os::pipe();
|
|
auto pipe_out = os::pipe();
|
|
auto spawnproc = bind run::spawn_process(
|
|
prog, args, pipe_in.in, pipe_out.out, 0);
|
|
auto pid = with_lib_path(lib_path, spawnproc);
|
|
if (pid == -1) { fail; }
|
|
os::libc::close(pipe_in.in);
|
|
os::libc::close(pipe_in.out);
|
|
os::libc::close(pipe_out.out);
|
|
task::send(respchan, rec(pid = pid,
|
|
outfd = pipe_out.in));
|
|
}
|
|
stop {
|
|
ret;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fn with_lib_path[T](&str path, fn() -> T f) -> T {
|
|
auto maybe_oldpath = getenv(lib_path_env_var());
|
|
append_lib_path(path);
|
|
auto res = f();
|
|
if option::is_some(maybe_oldpath) {
|
|
export_lib_path(option::get(maybe_oldpath));
|
|
} else {
|
|
// FIXME: This should really be unset but we don't have that yet
|
|
export_lib_path("");
|
|
}
|
|
ret res;
|
|
}
|
|
|
|
fn append_lib_path(&str path) {
|
|
export_lib_path(make_new_path(path));
|
|
}
|
|
|
|
fn export_lib_path(&str path) {
|
|
setenv(lib_path_env_var(), path);
|
|
}
|
|
}
|
|
|
|
// Local Variables:
|
|
// fill-column: 78;
|
|
// indent-tabs-mode: nil
|
|
// c-basic-offset: 4
|
|
// buffer-file-coding-system: utf-8-unix
|
|
// compile-command: "make -k -C $RBUILD 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
|
|
// End:
|