1 // Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 use self::TargetLocation::*;
14 use common::{CompileFail, Pretty, RunFail, RunPass, RunPassValgrind, DebugInfoGdb};
15 use common::{Codegen, DebugInfoLldb};
17 use header::TestProps;
21 #[cfg(target_os = "windows")]
24 #[cfg(target_os = "windows")]
25 use std::ascii::AsciiExt;
27 use std::io::fs::PathExtensions;
29 use std::io::net::tcp;
30 use std::io::process::ProcessExit;
35 use std::iter::repeat;
37 use std::string::String;
38 use std::thread::Thread;
39 use std::time::Duration;
42 pub fn run(config: Config, testfile: String) {
43 match config.target.as_slice() {
45 "arm-linux-androideabi" => {
46 if !config.adb_device_status {
47 panic!("android device not available");
54 let mut _mm = MetricMap::new();
55 run_metrics(config, testfile, &mut _mm);
58 pub fn run_metrics(config: Config, testfile: String, mm: &mut MetricMap) {
60 // We're going to be dumping a lot of info. Start on a new line.
63 let testfile = Path::new(testfile);
64 debug!("running {:?}", testfile.display());
65 let props = header::load_props(&testfile);
66 debug!("loaded props");
68 CompileFail => run_cfail_test(&config, &props, &testfile),
69 RunFail => run_rfail_test(&config, &props, &testfile),
70 RunPass => run_rpass_test(&config, &props, &testfile),
71 RunPassValgrind => run_valgrind_test(&config, &props, &testfile),
72 Pretty => run_pretty_test(&config, &props, &testfile),
73 DebugInfoGdb => run_debuginfo_gdb_test(&config, &props, &testfile),
74 DebugInfoLldb => run_debuginfo_lldb_test(&config, &props, &testfile),
75 Codegen => run_codegen_test(&config, &props, &testfile, mm),
79 fn get_output(props: &TestProps, proc_res: &ProcRes) -> String {
80 if props.check_stdout {
81 format!("{}{}", proc_res.stdout, proc_res.stderr)
83 proc_res.stderr.clone()
87 fn run_cfail_test(config: &Config, props: &TestProps, testfile: &Path) {
88 let proc_res = compile_test(config, props, testfile);
90 if proc_res.status.success() {
91 fatal_proc_rec("compile-fail test compiled successfully!",
95 check_correct_failure_status(&proc_res);
97 if proc_res.status.success() {
98 fatal("process did not return an error status");
101 let output_to_check = get_output(props, &proc_res);
102 let expected_errors = errors::load_errors(&config.cfail_regex, testfile);
103 if !expected_errors.is_empty() {
104 if !props.error_patterns.is_empty() {
105 fatal("both error pattern and expected errors specified");
107 check_expected_errors(expected_errors, testfile, &proc_res);
109 check_error_patterns(props, testfile, output_to_check.as_slice(), &proc_res);
111 check_no_compiler_crash(&proc_res);
112 check_forbid_output(props, output_to_check.as_slice(), &proc_res);
115 fn run_rfail_test(config: &Config, props: &TestProps, testfile: &Path) {
116 let proc_res = if !config.jit {
117 let proc_res = compile_test(config, props, testfile);
119 if !proc_res.status.success() {
120 fatal_proc_rec("compilation failed!", &proc_res);
123 exec_compiled_test(config, props, testfile)
125 jit_test(config, props, testfile)
128 // The value our Makefile configures valgrind to return on failure
129 static VALGRIND_ERR: int = 100;
130 if proc_res.status.matches_exit_status(VALGRIND_ERR) {
131 fatal_proc_rec("run-fail test isn't valgrind-clean!", &proc_res);
134 let output_to_check = get_output(props, &proc_res);
135 check_correct_failure_status(&proc_res);
136 check_error_patterns(props, testfile, output_to_check.as_slice(), &proc_res);
139 fn check_correct_failure_status(proc_res: &ProcRes) {
140 // The value the rust runtime returns on failure
141 static RUST_ERR: int = 101;
142 if !proc_res.status.matches_exit_status(RUST_ERR) {
144 format!("failure produced the wrong error: {:?}",
145 proc_res.status).as_slice(),
150 fn run_rpass_test(config: &Config, props: &TestProps, testfile: &Path) {
152 let mut proc_res = compile_test(config, props, testfile);
154 if !proc_res.status.success() {
155 fatal_proc_rec("compilation failed!", &proc_res);
158 proc_res = exec_compiled_test(config, props, testfile);
160 if !proc_res.status.success() {
161 fatal_proc_rec("test run failed!", &proc_res);
164 let proc_res = jit_test(config, props, testfile);
166 if !proc_res.status.success() {
167 fatal_proc_rec("jit failed!", &proc_res);
172 fn run_valgrind_test(config: &Config, props: &TestProps, testfile: &Path) {
173 if config.valgrind_path.is_none() {
174 assert!(!config.force_valgrind);
175 return run_rpass_test(config, props, testfile);
178 let mut proc_res = compile_test(config, props, testfile);
180 if !proc_res.status.success() {
181 fatal_proc_rec("compilation failed!", &proc_res);
184 let mut new_config = config.clone();
185 new_config.runtool = new_config.valgrind_path.clone();
186 proc_res = exec_compiled_test(&new_config, props, testfile);
188 if !proc_res.status.success() {
189 fatal_proc_rec("test run failed!", &proc_res);
193 fn run_pretty_test(config: &Config, props: &TestProps, testfile: &Path) {
194 if props.pp_exact.is_some() {
195 logv(config, "testing for exact pretty-printing".to_string());
197 logv(config, "testing for converging pretty-printing".to_string());
201 match props.pp_exact { Some(_) => 1, None => 2 };
203 let src = File::open(testfile).read_to_end().unwrap();
204 let src = String::from_utf8(src.clone()).unwrap();
205 let mut srcs = vec!(src);
208 while round < rounds {
209 logv(config, format!("pretty-printing round {}", round));
210 let proc_res = print_source(config,
213 srcs[round].to_string(),
214 props.pretty_mode.as_slice());
216 if !proc_res.status.success() {
217 fatal_proc_rec(format!("pretty-printing failed in round {}",
222 let ProcRes{ stdout, .. } = proc_res;
227 let mut expected = match props.pp_exact {
229 let filepath = testfile.dir_path().join(file);
230 let s = File::open(&filepath).read_to_end().unwrap();
231 String::from_utf8(s).unwrap()
233 None => { srcs[srcs.len() - 2u].clone() }
235 let mut actual = srcs[srcs.len() - 1u].clone();
237 if props.pp_exact.is_some() {
238 // Now we have to care about line endings
239 let cr = "\r".to_string();
240 actual = actual.replace(cr.as_slice(), "").to_string();
241 expected = expected.replace(cr.as_slice(), "").to_string();
244 compare_source(expected.as_slice(), actual.as_slice());
246 // If we're only making sure that the output matches then just stop here
247 if props.pretty_compare_only { return; }
249 // Finally, let's make sure it actually appears to remain valid code
250 let proc_res = typecheck_source(config, props, testfile, actual);
252 if !proc_res.status.success() {
253 fatal_proc_rec("pretty-printed source does not typecheck", &proc_res);
255 if props.no_pretty_expanded { return }
257 // additionally, run `--pretty expanded` and try to build it.
258 let proc_res = print_source(config, props, testfile, srcs[round].clone(), "expanded");
259 if !proc_res.status.success() {
260 fatal_proc_rec("pretty-printing (expanded) failed", &proc_res);
263 let ProcRes{ stdout: expanded_src, .. } = proc_res;
264 let proc_res = typecheck_source(config, props, testfile, expanded_src);
265 if !proc_res.status.success() {
266 fatal_proc_rec("pretty-printed source (expanded) does not typecheck",
272 fn print_source(config: &Config,
276 pretty_type: &str) -> ProcRes {
277 let aux_dir = aux_output_dir_name(config, testfile);
278 compose_and_run(config,
283 pretty_type.to_string()),
284 props.exec_env.clone(),
285 config.compile_lib_path.as_slice(),
286 Some(aux_dir.as_str().unwrap()),
290 fn make_pp_args(config: &Config,
293 pretty_type: String) -> ProcArgs {
294 let aux_dir = aux_output_dir_name(config, testfile);
295 // FIXME (#9639): This needs to handle non-utf8 paths
296 let mut args = vec!("-".to_string(),
297 "-Zunstable-options".to_string(),
298 "--pretty".to_string(),
300 format!("--target={}", config.target),
302 aux_dir.as_str().unwrap().to_string());
303 args.extend(split_maybe_args(&config.target_rustcflags).into_iter());
304 args.extend(split_maybe_args(&props.compile_flags).into_iter());
306 prog: config.rustc_path.as_str().unwrap().to_string(),
311 fn compare_source(expected: &str, actual: &str) {
312 if expected != actual {
313 error("pretty-printed source does not match expected source");
316 ------------------------------------------\n\
318 ------------------------------------------\n\
320 ------------------------------------------\n\
322 ------------------------------------------\n\
329 fn typecheck_source(config: &Config, props: &TestProps,
330 testfile: &Path, src: String) -> ProcRes {
331 let args = make_typecheck_args(config, props, testfile);
332 compose_and_run_compiler(config, props, testfile, args, Some(src))
335 fn make_typecheck_args(config: &Config, props: &TestProps, testfile: &Path) -> ProcArgs {
336 let aux_dir = aux_output_dir_name(config, testfile);
337 let target = if props.force_host {
338 config.host.as_slice()
340 config.target.as_slice()
342 // FIXME (#9639): This needs to handle non-utf8 paths
343 let mut args = vec!("-".to_string(),
344 "-Zno-trans".to_string(),
345 "--crate-type=lib".to_string(),
346 format!("--target={}", target),
348 config.build_base.as_str().unwrap().to_string(),
350 aux_dir.as_str().unwrap().to_string());
351 args.extend(split_maybe_args(&config.target_rustcflags).into_iter());
352 args.extend(split_maybe_args(&props.compile_flags).into_iter());
353 // FIXME (#9639): This needs to handle non-utf8 paths
355 prog: config.rustc_path.as_str().unwrap().to_string(),
361 fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
362 let mut config = Config {
363 target_rustcflags: cleanup_debug_info_options(&config.target_rustcflags),
364 host_rustcflags: cleanup_debug_info_options(&config.host_rustcflags),
368 let config = &mut config;
369 let DebuggerCommands {
373 } = parse_debugger_commands(testfile, "gdb");
374 let mut cmds = commands.connect("\n");
376 // compile test file (it should have 'compile-flags:-g' in the header)
377 let compiler_run_result = compile_test(config, props, testfile);
378 if !compiler_run_result.status.success() {
379 fatal_proc_rec("compilation failed!", &compiler_run_result);
382 let exe_file = make_exe_name(config, testfile);
384 let debugger_run_result;
385 match config.target.as_slice() {
386 "arm-linux-androideabi" => {
388 cmds = cmds.replace("run", "continue").to_string();
390 // write debugger script
391 let script_str = ["set charset UTF-8".to_string(),
392 format!("file {}", exe_file.as_str().unwrap()
394 "target remote :5039".to_string(),
396 "quit".to_string()].connect("\n");
397 debug!("script_str = {}", script_str);
398 dump_output_file(config,
400 script_str.as_slice(),
405 config.adb_path.as_slice(),
409 exe_file.as_str().unwrap().to_string(),
410 config.adb_test_dir.clone()
412 vec!(("".to_string(), "".to_string())),
413 Some("".to_string()))
414 .expect(format!("failed to exec `{:?}`", config.adb_path).as_slice());
417 config.adb_path.as_slice(),
420 "forward".to_string(),
421 "tcp:5039".to_string(),
422 "tcp:5039".to_string()
424 vec!(("".to_string(), "".to_string())),
425 Some("".to_string()))
426 .expect(format!("failed to exec `{:?}`", config.adb_path).as_slice());
428 let adb_arg = format!("export LD_LIBRARY_PATH={}; \
429 gdbserver :5039 {}/{}",
430 config.adb_test_dir.clone(),
431 config.adb_test_dir.clone(),
434 .unwrap()).unwrap());
436 let mut process = procsrv::run_background("",
444 vec!(("".to_string(),
446 Some("".to_string()))
447 .expect(format!("failed to exec `{:?}`", config.adb_path).as_slice());
449 //waiting 1 second for gdbserver start
450 timer::sleep(Duration::milliseconds(1000));
451 let result = Thread::scoped(move || {
452 tcp::TcpStream::connect("127.0.0.1:5039").unwrap();
460 let tool_path = match config.android_cross_path.as_str() {
461 Some(x) => x.to_string(),
462 None => fatal("cannot find android cross path")
465 let debugger_script = make_out_name(config, testfile, "debugger.script");
466 // FIXME (#9639): This needs to handle non-utf8 paths
468 vec!("-quiet".to_string(),
469 "-batch".to_string(),
471 format!("-command={}", debugger_script.as_str().unwrap()));
473 let mut gdb_path = tool_path;
474 gdb_path.push_str("/bin/arm-linux-androideabi-gdb");
475 let procsrv::Result {
482 debugger_opts.as_slice(),
483 vec!(("".to_string(), "".to_string())),
485 .expect(format!("failed to exec `{:?}`", gdb_path).as_slice());
487 let cmdline = make_cmdline("",
488 "arm-linux-androideabi-gdb",
489 debugger_opts.as_slice());
490 logv(config, format!("executing {}", cmdline));
494 debugger_run_result = ProcRes {
500 process.signal_kill().unwrap();
504 let rust_src_root = find_rust_src_root(config)
505 .expect("Could not find Rust source root");
506 let rust_pp_module_rel_path = Path::new("./src/etc");
507 let rust_pp_module_abs_path = rust_src_root.join(rust_pp_module_rel_path)
511 // write debugger script
512 let mut script_str = String::with_capacity(2048);
514 script_str.push_str("set charset UTF-8\n");
515 script_str.push_str("show version\n");
517 match config.gdb_version {
518 Some(ref version) => {
519 println!("NOTE: compiletest thinks it is using GDB version {}",
522 if header::gdb_version_to_int(version.as_slice()) >
523 header::gdb_version_to_int("7.4") {
524 // Add the directory containing the pretty printers to
525 // GDB's script auto loading safe path
527 format!("add-auto-load-safe-path {}\n",
528 rust_pp_module_abs_path.replace("\\", "\\\\").as_slice())
533 println!("NOTE: compiletest does not know which version of \
538 // The following line actually doesn't have to do anything with
539 // pretty printing, it just tells GDB to print values on one line:
540 script_str.push_str("set print pretty off\n");
542 // Add the pretty printer directory to GDB's source-file search path
543 script_str.push_str(&format!("directory {}\n", rust_pp_module_abs_path)[]);
545 // Load the target executable
546 script_str.push_str(&format!("file {}\n",
547 exe_file.as_str().unwrap().replace("\\", "\\\\"))[]);
549 // Add line breakpoints
550 for line in breakpoint_lines.iter() {
551 script_str.push_str(&format!("break '{}':{}\n",
552 testfile.filename_display(),
556 script_str.push_str(cmds.as_slice());
557 script_str.push_str("quit\n");
559 debug!("script_str = {}", script_str);
560 dump_output_file(config,
562 script_str.as_slice(),
565 // run debugger script with gdb
567 fn debugger() -> String {
568 "gdb.exe".to_string()
571 fn debugger() -> String {
575 let debugger_script = make_out_name(config, testfile, "debugger.script");
577 // FIXME (#9639): This needs to handle non-utf8 paths
579 vec!("-quiet".to_string(),
580 "-batch".to_string(),
582 format!("-command={}", debugger_script.as_str().unwrap()));
584 let proc_args = ProcArgs {
589 let environment = vec![("PYTHONPATH".to_string(), rust_pp_module_abs_path)];
591 debugger_run_result = compose_and_run(config,
595 config.run_lib_path.as_slice(),
601 if !debugger_run_result.status.success() {
602 fatal("gdb failed to execute");
605 check_debugger_output(&debugger_run_result, check_lines.as_slice());
608 fn find_rust_src_root(config: &Config) -> Option<Path> {
609 let mut path = config.src_base.clone();
610 let path_postfix = Path::new("src/etc/lldb_batchmode.py");
613 if path.join(&path_postfix).is_file() {
621 fn run_debuginfo_lldb_test(config: &Config, props: &TestProps, testfile: &Path) {
622 use std::io::process::{Command, ProcessOutput};
624 if config.lldb_python_dir.is_none() {
625 fatal("Can't run LLDB test because LLDB's python path is not set.");
628 let mut config = Config {
629 target_rustcflags: cleanup_debug_info_options(&config.target_rustcflags),
630 host_rustcflags: cleanup_debug_info_options(&config.host_rustcflags),
634 let config = &mut config;
636 // compile test file (it should have 'compile-flags:-g' in the header)
637 let compile_result = compile_test(config, props, testfile);
638 if !compile_result.status.success() {
639 fatal_proc_rec("compilation failed!", &compile_result);
642 let exe_file = make_exe_name(config, testfile);
644 match config.lldb_version {
645 Some(ref version) => {
646 println!("NOTE: compiletest thinks it is using LLDB version {}",
650 println!("NOTE: compiletest does not know which version of \
655 // Parse debugger commands etc from test files
656 let DebuggerCommands {
661 } = parse_debugger_commands(testfile, "lldb");
663 // Write debugger script:
664 // We don't want to hang when calling `quit` while the process is still running
665 let mut script_str = String::from_str("settings set auto-confirm true\n");
667 // Make LLDB emit its version, so we have it documented in the test output
668 script_str.push_str("version\n");
670 // Switch LLDB into "Rust mode"
671 let rust_src_root = find_rust_src_root(config)
672 .expect("Could not find Rust source root");
673 let rust_pp_module_rel_path = Path::new("./src/etc/lldb_rust_formatters.py");
674 let rust_pp_module_abs_path = rust_src_root.join(rust_pp_module_rel_path)
679 script_str.push_str(&format!("command script import {}\n", &rust_pp_module_abs_path[])[]);
680 script_str.push_str("type summary add --no-value ");
681 script_str.push_str("--python-function lldb_rust_formatters.print_val ");
682 script_str.push_str("-x \".*\" --category Rust\n");
683 script_str.push_str("type category enable Rust\n");
685 // Set breakpoints on every line that contains the string "#break"
686 for line in breakpoint_lines.iter() {
687 script_str.push_str(format!("breakpoint set --line {}\n",
691 // Append the other commands
692 for line in commands.iter() {
693 script_str.push_str(line.as_slice());
694 script_str.push_str("\n");
697 // Finally, quit the debugger
698 script_str.push_str("quit\n");
700 // Write the script into a file
701 debug!("script_str = {}", script_str);
702 dump_output_file(config,
704 script_str.as_slice(),
706 let debugger_script = make_out_name(config, testfile, "debugger.script");
708 // Let LLDB execute the script via lldb_batchmode.py
709 let debugger_run_result = run_lldb(config,
714 if !debugger_run_result.status.success() {
715 fatal_proc_rec("Error while running LLDB", &debugger_run_result);
718 check_debugger_output(&debugger_run_result, check_lines.as_slice());
720 fn run_lldb(config: &Config,
721 test_executable: &Path,
722 debugger_script: &Path,
723 rust_src_root: &Path)
725 // Prepare the lldb_batchmode which executes the debugger script
726 let lldb_script_path = rust_src_root.join(Path::new("./src/etc/lldb_batchmode.py"));
728 let mut cmd = Command::new("python");
729 cmd.arg(lldb_script_path)
730 .arg(test_executable)
731 .arg(debugger_script)
732 .env_set_all(&[("PYTHONPATH", config.lldb_python_dir.clone().unwrap().as_slice())]);
734 let (status, out, err) = match cmd.spawn() {
736 let ProcessOutput { status, output, error } =
737 process.wait_with_output().unwrap();
740 String::from_utf8(output).unwrap(),
741 String::from_utf8(error).unwrap())
744 fatal(format!("Failed to setup Python process for \
745 LLDB script: {}", e).as_slice())
749 dump_output(config, test_executable, out.as_slice(), err.as_slice());
754 cmdline: format!("{:?}", cmd)
759 struct DebuggerCommands {
760 commands: Vec<String>,
761 check_lines: Vec<String>,
762 breakpoint_lines: Vec<uint>,
765 fn parse_debugger_commands(file_path: &Path, debugger_prefix: &str)
766 -> DebuggerCommands {
767 use std::io::{BufferedReader, File};
769 let command_directive = format!("{}-command", debugger_prefix);
770 let check_directive = format!("{}-check", debugger_prefix);
772 let mut breakpoint_lines = vec!();
773 let mut commands = vec!();
774 let mut check_lines = vec!();
776 let mut reader = BufferedReader::new(File::open(file_path).unwrap());
777 for line in reader.lines() {
780 if line.as_slice().contains("#break") {
781 breakpoint_lines.push(counter);
784 header::parse_name_value_directive(
786 command_directive.as_slice()).map(|cmd| {
790 header::parse_name_value_directive(
792 check_directive.as_slice()).map(|cmd| {
793 check_lines.push(cmd)
797 fatal(format!("Error while parsing debugger commands: {}",
806 check_lines: check_lines,
807 breakpoint_lines: breakpoint_lines,
811 fn cleanup_debug_info_options(options: &Option<String>) -> Option<String> {
812 if options.is_none() {
816 // Remove options that are either unwanted (-O) or may lead to duplicates due to RUSTFLAGS.
817 let options_to_remove = [
820 "--debuginfo".to_string()
823 split_maybe_args(options).into_iter()
824 .filter(|x| !options_to_remove.contains(x))
825 .collect::<Vec<String>>()
830 fn check_debugger_output(debugger_run_result: &ProcRes, check_lines: &[String]) {
831 let num_check_lines = check_lines.len();
832 if num_check_lines > 0 {
833 // Allow check lines to leave parts unspecified (e.g., uninitialized
834 // bits in the wrong case of an enum) with the notation "[...]".
835 let check_fragments: Vec<Vec<String>> =
836 check_lines.iter().map(|s| {
840 .map(|x| x.to_string())
843 // check if each line in props.check_lines appears in the
846 for line in debugger_run_result.stdout.as_slice().lines() {
847 let mut rest = line.trim();
848 let mut first = true;
849 let mut failed = false;
850 for frag in check_fragments[i].iter() {
851 let found = if first {
852 if rest.starts_with(frag.as_slice()) {
858 rest.find_str(frag.as_slice())
866 rest = rest.slice_from(i + frag.len());
871 if !failed && rest.len() == 0 {
874 if i == num_check_lines {
879 if i != num_check_lines {
880 fatal_proc_rec(format!("line not found in debugger output: {}",
881 check_lines.get(i).unwrap()).as_slice(),
882 debugger_run_result);
887 fn check_error_patterns(props: &TestProps,
889 output_to_check: &str,
890 proc_res: &ProcRes) {
891 if props.error_patterns.is_empty() {
892 fatal(format!("no error pattern specified in {:?}",
893 testfile.display()).as_slice());
895 let mut next_err_idx = 0u;
896 let mut next_err_pat = &props.error_patterns[next_err_idx];
897 let mut done = false;
898 for line in output_to_check.as_slice().lines() {
899 if line.contains(next_err_pat.as_slice()) {
900 debug!("found error pattern {}", next_err_pat);
902 if next_err_idx == props.error_patterns.len() {
903 debug!("found all error patterns");
907 next_err_pat = &props.error_patterns[next_err_idx];
912 let missing_patterns = &props.error_patterns[next_err_idx..];
913 if missing_patterns.len() == 1u {
914 fatal_proc_rec(format!("error pattern '{}' not found!",
915 missing_patterns[0]).as_slice(),
918 for pattern in missing_patterns.iter() {
919 error(format!("error pattern '{}' not found!",
920 *pattern).as_slice());
922 fatal_proc_rec("multiple error patterns not found", proc_res);
926 fn check_no_compiler_crash(proc_res: &ProcRes) {
927 for line in proc_res.stderr.as_slice().lines() {
928 if line.starts_with("error: internal compiler error:") {
929 fatal_proc_rec("compiler encountered internal error",
935 fn check_forbid_output(props: &TestProps,
936 output_to_check: &str,
937 proc_res: &ProcRes) {
938 for pat in props.forbid_output.iter() {
939 if output_to_check.contains(pat.as_slice()) {
940 fatal_proc_rec("forbidden pattern found in compiler output", proc_res);
945 fn check_expected_errors(expected_errors: Vec<errors::ExpectedError> ,
947 proc_res: &ProcRes) {
949 // true if we found the error in question
950 let mut found_flags: Vec<_> = repeat(false).take(expected_errors.len()).collect();
952 if proc_res.status.success() {
953 fatal("process did not return an error status");
956 let prefixes = expected_errors.iter().map(|ee| {
957 format!("{}:{}:", testfile.display(), ee.line)
958 }).collect::<Vec<String> >();
961 fn prefix_matches( line : &str, prefix : &str ) -> bool {
962 line.to_ascii_lowercase().starts_with(prefix.to_ascii_lowercase().as_slice())
966 fn prefix_matches( line : &str, prefix : &str ) -> bool {
967 line.starts_with( prefix )
970 // A multi-line error will have followup lines which will always
971 // start with one of these strings.
972 fn continuation( line: &str) -> bool {
973 line.starts_with(" expected") ||
974 line.starts_with(" found") ||
976 // Should have 4 spaces: see issue 18946
977 line.starts_with("(")
980 // Scan and extract our error/warning messages,
982 // filename:line1:col1: line2:col2: *error:* msg
983 // filename:line1:col1: line2:col2: *warning:* msg
984 // where line1:col1: is the starting point, line2:col2:
985 // is the ending point, and * represents ANSI color codes.
986 for line in proc_res.stderr.as_slice().lines() {
987 let mut was_expected = false;
988 for (i, ee) in expected_errors.iter().enumerate() {
990 debug!("prefix={} ee.kind={} ee.msg={} line={}",
991 prefixes[i].as_slice(),
995 if (prefix_matches(line, prefixes[i].as_slice()) || continuation(line)) &&
996 line.contains(ee.kind.as_slice()) &&
997 line.contains(ee.msg.as_slice()) {
998 found_flags[i] = true;
1005 // ignore this msg which gets printed at the end
1006 if line.contains("aborting due to") {
1007 was_expected = true;
1010 if !was_expected && is_compiler_error_or_warning(line) {
1011 fatal_proc_rec(format!("unexpected compiler error or warning: '{}'",
1017 for (i, &flag) in found_flags.iter().enumerate() {
1019 let ee = &expected_errors[i];
1020 fatal_proc_rec(format!("expected {} on line {} not found: {}",
1021 ee.kind, ee.line, ee.msg).as_slice(),
1027 fn is_compiler_error_or_warning(line: &str) -> bool {
1030 scan_until_char(line, ':', &mut i) &&
1031 scan_char(line, ':', &mut i) &&
1032 scan_integer(line, &mut i) &&
1033 scan_char(line, ':', &mut i) &&
1034 scan_integer(line, &mut i) &&
1035 scan_char(line, ':', &mut i) &&
1036 scan_char(line, ' ', &mut i) &&
1037 scan_integer(line, &mut i) &&
1038 scan_char(line, ':', &mut i) &&
1039 scan_integer(line, &mut i) &&
1040 scan_char(line, ' ', &mut i) &&
1041 (scan_string(line, "error", &mut i) ||
1042 scan_string(line, "warning", &mut i));
1045 fn scan_until_char(haystack: &str, needle: char, idx: &mut uint) -> bool {
1046 if *idx >= haystack.len() {
1049 let opt = haystack.slice_from(*idx).find(needle);
1053 *idx = opt.unwrap();
1057 fn scan_char(haystack: &str, needle: char, idx: &mut uint) -> bool {
1058 if *idx >= haystack.len() {
1061 let range = haystack.char_range_at(*idx);
1062 if range.ch != needle {
1069 fn scan_integer(haystack: &str, idx: &mut uint) -> bool {
1071 while i < haystack.len() {
1072 let range = haystack.char_range_at(i);
1073 if range.ch < '0' || '9' < range.ch {
1085 fn scan_string(haystack: &str, needle: &str, idx: &mut uint) -> bool {
1086 let mut haystack_i = *idx;
1087 let mut needle_i = 0u;
1088 while needle_i < needle.len() {
1089 if haystack_i >= haystack.len() {
1092 let range = haystack.char_range_at(haystack_i);
1093 haystack_i = range.next;
1094 if !scan_char(needle, range.ch, &mut needle_i) {
1108 status: ProcessExit,
1114 fn compile_test(config: &Config, props: &TestProps,
1115 testfile: &Path) -> ProcRes {
1116 compile_test_(config, props, testfile, &[])
1119 fn jit_test(config: &Config, props: &TestProps, testfile: &Path) -> ProcRes {
1120 compile_test_(config, props, testfile, &["--jit".to_string()])
1123 fn compile_test_(config: &Config, props: &TestProps,
1124 testfile: &Path, extra_args: &[String]) -> ProcRes {
1125 let aux_dir = aux_output_dir_name(config, testfile);
1126 // FIXME (#9639): This needs to handle non-utf8 paths
1127 let mut link_args = vec!("-L".to_string(),
1128 aux_dir.as_str().unwrap().to_string());
1129 link_args.extend(extra_args.iter().map(|s| s.clone()));
1130 let args = make_compile_args(config,
1133 |a, b| TargetLocation::ThisFile(make_exe_name(a, b)), testfile);
1134 compose_and_run_compiler(config, props, testfile, args, None)
1137 fn exec_compiled_test(config: &Config, props: &TestProps,
1138 testfile: &Path) -> ProcRes {
1140 let env = props.exec_env.clone();
1142 match config.target.as_slice() {
1144 "arm-linux-androideabi" => {
1145 _arm_exec_compiled_test(config, props, testfile, env)
1149 let aux_dir = aux_output_dir_name(config, testfile);
1150 compose_and_run(config,
1152 make_run_args(config, props, testfile),
1154 config.run_lib_path.as_slice(),
1155 Some(aux_dir.as_str().unwrap()),
1161 fn compose_and_run_compiler(
1166 input: Option<String>) -> ProcRes {
1168 if !props.aux_builds.is_empty() {
1169 ensure_dir(&aux_output_dir_name(config, testfile));
1172 let aux_dir = aux_output_dir_name(config, testfile);
1173 // FIXME (#9639): This needs to handle non-utf8 paths
1174 let extra_link_args = vec!("-L".to_string(), aux_dir.as_str().unwrap().to_string());
1176 for rel_ab in props.aux_builds.iter() {
1177 let abs_ab = config.aux_base.join(rel_ab.as_slice());
1178 let aux_props = header::load_props(&abs_ab);
1179 let mut crate_type = if aux_props.no_prefer_dynamic {
1182 vec!("--crate-type=dylib".to_string())
1184 crate_type.extend(extra_link_args.clone().into_iter());
1186 make_compile_args(config,
1190 let f = make_lib_name(a, b, testfile);
1191 TargetLocation::ThisDirectory(f.dir_path())
1194 let auxres = compose_and_run(config,
1198 config.compile_lib_path.as_slice(),
1199 Some(aux_dir.as_str().unwrap()),
1201 if !auxres.status.success() {
1203 format!("auxiliary build of {:?} failed to compile: ",
1204 abs_ab.display()).as_slice(),
1208 match config.target.as_slice() {
1209 "arm-linux-androideabi" => {
1210 _arm_push_aux_shared_library(config, testfile);
1216 compose_and_run(config,
1220 config.compile_lib_path.as_slice(),
1221 Some(aux_dir.as_str().unwrap()),
1225 fn ensure_dir(path: &Path) {
1226 if path.is_dir() { return; }
1227 fs::mkdir(path, io::USER_RWX).unwrap();
1230 fn compose_and_run(config: &Config, testfile: &Path,
1231 ProcArgs{ args, prog }: ProcArgs,
1232 procenv: Vec<(String, String)> ,
1234 aux_path: Option<&str>,
1235 input: Option<String>) -> ProcRes {
1236 return program_output(config, testfile, lib_path,
1237 prog, aux_path, args, procenv, input);
1240 enum TargetLocation {
1242 ThisDirectory(Path),
1245 fn make_compile_args<F>(config: &Config,
1247 extras: Vec<String> ,
1251 F: FnOnce(&Config, &Path) -> TargetLocation,
1253 let xform_file = xform(config, testfile);
1254 let target = if props.force_host {
1255 config.host.as_slice()
1257 config.target.as_slice()
1259 // FIXME (#9639): This needs to handle non-utf8 paths
1260 let mut args = vec!(testfile.as_str().unwrap().to_string(),
1262 config.build_base.as_str().unwrap().to_string(),
1263 format!("--target={}", target));
1264 args.push_all(extras.as_slice());
1265 if !props.no_prefer_dynamic {
1266 args.push("-C".to_string());
1267 args.push("prefer-dynamic".to_string());
1269 let path = match xform_file {
1270 TargetLocation::ThisFile(path) => {
1271 args.push("-o".to_string());
1274 TargetLocation::ThisDirectory(path) => {
1275 args.push("--out-dir".to_string());
1279 args.push(path.as_str().unwrap().to_string());
1280 if props.force_host {
1281 args.extend(split_maybe_args(&config.host_rustcflags).into_iter());
1283 args.extend(split_maybe_args(&config.target_rustcflags).into_iter());
1285 args.extend(split_maybe_args(&props.compile_flags).into_iter());
1287 prog: config.rustc_path.as_str().unwrap().to_string(),
1292 fn make_lib_name(config: &Config, auxfile: &Path, testfile: &Path) -> Path {
1293 // what we return here is not particularly important, as it
1294 // happens; rustc ignores everything except for the directory.
1295 let auxname = output_testname(auxfile);
1296 aux_output_dir_name(config, testfile).join(&auxname)
1299 fn make_exe_name(config: &Config, testfile: &Path) -> Path {
1300 let mut f = output_base_name(config, testfile);
1301 if !os::consts::EXE_SUFFIX.is_empty() {
1302 let mut fname = f.filename().unwrap().to_vec();
1303 fname.extend(os::consts::EXE_SUFFIX.bytes());
1304 f.set_filename(fname);
1309 fn make_run_args(config: &Config, props: &TestProps, testfile: &Path) ->
1311 // If we've got another tool to run under (valgrind),
1312 // then split apart its command
1313 let mut args = split_maybe_args(&config.runtool);
1314 let exe_file = make_exe_name(config, testfile);
1316 // FIXME (#9639): This needs to handle non-utf8 paths
1317 args.push(exe_file.as_str().unwrap().to_string());
1319 // Add the arguments in the run_flags directive
1320 args.extend(split_maybe_args(&props.run_flags).into_iter());
1322 let prog = args.remove(0);
1329 fn split_maybe_args(argstr: &Option<String>) -> Vec<String> {
1335 if s.chars().all(|c| c.is_whitespace()) {
1346 fn program_output(config: &Config, testfile: &Path, lib_path: &str, prog: String,
1347 aux_path: Option<&str>, args: Vec<String>,
1348 env: Vec<(String, String)>,
1349 input: Option<String>) -> ProcRes {
1352 let cmdline = make_cmdline(lib_path,
1355 logv(config, format!("executing {}", cmdline));
1358 let procsrv::Result {
1362 } = procsrv::run(lib_path,
1367 input).expect(format!("failed to exec `{}`", prog).as_slice());
1368 dump_output(config, testfile, out.as_slice(), err.as_slice());
1377 // Linux and mac don't require adjusting the library search path
1379 fn make_cmdline(_libpath: &str, prog: &str, args: &[String]) -> String {
1380 format!("{} {}", prog, args.connect(" "))
1384 fn make_cmdline(libpath: &str, prog: &str, args: &[String]) -> String {
1386 // Build the LD_LIBRARY_PATH variable as it would be seen on the command line
1387 // for diagnostic purposes
1388 fn lib_path_cmd_prefix(path: &str) -> String {
1389 format!("{}=\"{}\"", util::lib_path_env_var(), util::make_new_path(path))
1392 format!("{} {} {}", lib_path_cmd_prefix(libpath), prog, args.connect(" "))
1395 fn dump_output(config: &Config, testfile: &Path, out: &str, err: &str) {
1396 dump_output_file(config, testfile, out, "out");
1397 dump_output_file(config, testfile, err, "err");
1398 maybe_dump_to_stdout(config, out, err);
1401 fn dump_output_file(config: &Config, testfile: &Path,
1402 out: &str, extension: &str) {
1403 let outfile = make_out_name(config, testfile, extension);
1404 File::create(&outfile).write(out.as_bytes()).unwrap();
1407 fn make_out_name(config: &Config, testfile: &Path, extension: &str) -> Path {
1408 output_base_name(config, testfile).with_extension(extension)
1411 fn aux_output_dir_name(config: &Config, testfile: &Path) -> Path {
1412 let f = output_base_name(config, testfile);
1413 let mut fname = f.filename().unwrap().to_vec();
1414 fname.extend("libaux".bytes());
1415 f.with_filename(fname)
1418 fn output_testname(testfile: &Path) -> Path {
1419 Path::new(testfile.filestem().unwrap())
1422 fn output_base_name(config: &Config, testfile: &Path) -> Path {
1424 .join(&output_testname(testfile))
1425 .with_extension(config.stage_id.as_slice())
1428 fn maybe_dump_to_stdout(config: &Config, out: &str, err: &str) {
1430 println!("------{}------------------------------", "stdout");
1431 println!("{}", out);
1432 println!("------{}------------------------------", "stderr");
1433 println!("{}", err);
1434 println!("------------------------------------------");
1438 fn error(err: &str) { println!("\nerror: {}", err); }
1440 fn fatal(err: &str) -> ! { error(err); panic!(); }
1442 fn fatal_proc_rec(err: &str, proc_res: &ProcRes) -> ! {
1448 ------------------------------------------\n\
1450 ------------------------------------------\n\
1452 ------------------------------------------\n\
1454 ------------------------------------------\n\
1456 err, proc_res.status, proc_res.cmdline, proc_res.stdout,
1461 fn _arm_exec_compiled_test(config: &Config,
1464 env: Vec<(String, String)>)
1466 let args = make_run_args(config, props, testfile);
1467 let cmdline = make_cmdline("",
1468 args.prog.as_slice(),
1469 args.args.as_slice());
1471 // get bare program string
1472 let mut tvec: Vec<String> = args.prog
1475 .map(|ts| ts.to_string())
1477 let prog_short = tvec.pop().unwrap();
1480 let copy_result = procsrv::run("",
1481 config.adb_path.as_slice(),
1486 config.adb_test_dir.clone()
1488 vec!(("".to_string(), "".to_string())),
1489 Some("".to_string()))
1490 .expect(format!("failed to exec `{}`", config.adb_path).as_slice());
1493 println!("push ({}) {} {} {}",
1500 logv(config, format!("executing ({}) {}", config.target, cmdline));
1502 let mut runargs = Vec::new();
1504 // run test via adb_run_wrapper
1505 runargs.push("shell".to_string());
1506 for (key, val) in env.into_iter() {
1507 runargs.push(format!("{}={}", key, val));
1509 runargs.push(format!("{}/adb_run_wrapper.sh", config.adb_test_dir));
1510 runargs.push(format!("{}", config.adb_test_dir));
1511 runargs.push(format!("{}", prog_short));
1513 for tv in args.args.iter() {
1514 runargs.push(tv.to_string());
1517 config.adb_path.as_slice(),
1520 vec!(("".to_string(), "".to_string())), Some("".to_string()))
1521 .expect(format!("failed to exec `{}`", config.adb_path).as_slice());
1523 // get exitcode of result
1524 runargs = Vec::new();
1525 runargs.push("shell".to_string());
1526 runargs.push("cat".to_string());
1527 runargs.push(format!("{}/{}.exitcode", config.adb_test_dir, prog_short));
1529 let procsrv::Result{ out: exitcode_out, err: _, status: _ } =
1531 config.adb_path.as_slice(),
1534 vec!(("".to_string(), "".to_string())),
1535 Some("".to_string()))
1536 .expect(format!("failed to exec `{}`", config.adb_path).as_slice());
1538 let mut exitcode: int = 0;
1539 for c in exitcode_out.as_slice().chars() {
1540 if !c.is_numeric() { break; }
1541 exitcode = exitcode * 10 + match c {
1542 '0' ... '9' => c as int - ('0' as int),
1547 // get stdout of result
1548 runargs = Vec::new();
1549 runargs.push("shell".to_string());
1550 runargs.push("cat".to_string());
1551 runargs.push(format!("{}/{}.stdout", config.adb_test_dir, prog_short));
1553 let procsrv::Result{ out: stdout_out, err: _, status: _ } =
1555 config.adb_path.as_slice(),
1558 vec!(("".to_string(), "".to_string())),
1559 Some("".to_string()))
1560 .expect(format!("failed to exec `{}`", config.adb_path).as_slice());
1562 // get stderr of result
1563 runargs = Vec::new();
1564 runargs.push("shell".to_string());
1565 runargs.push("cat".to_string());
1566 runargs.push(format!("{}/{}.stderr", config.adb_test_dir, prog_short));
1568 let procsrv::Result{ out: stderr_out, err: _, status: _ } =
1570 config.adb_path.as_slice(),
1573 vec!(("".to_string(), "".to_string())),
1574 Some("".to_string()))
1575 .expect(format!("failed to exec `{}`", config.adb_path).as_slice());
1579 stdout_out.as_slice(),
1580 stderr_out.as_slice());
1583 status: process::ProcessExit::ExitStatus(exitcode),
1590 fn _arm_push_aux_shared_library(config: &Config, testfile: &Path) {
1591 let tdir = aux_output_dir_name(config, testfile);
1593 let dirs = fs::readdir(&tdir).unwrap();
1594 for file in dirs.iter() {
1595 if file.extension_str() == Some("so") {
1596 // FIXME (#9639): This needs to handle non-utf8 paths
1597 let copy_result = procsrv::run("",
1598 config.adb_path.as_slice(),
1605 config.adb_test_dir.to_string()
1607 vec!(("".to_string(),
1609 Some("".to_string()))
1610 .expect(format!("failed to exec `{}`", config.adb_path).as_slice());
1613 println!("push ({}) {:?} {} {}",
1614 config.target, file.display(),
1615 copy_result.out, copy_result.err);
1621 // codegen tests (vs. clang)
1623 fn append_suffix_to_stem(p: &Path, suffix: &str) -> Path {
1624 if suffix.len() == 0 {
1627 let mut stem = p.filestem().unwrap().to_vec();
1628 stem.extend("-".bytes());
1629 stem.extend(suffix.bytes());
1630 p.with_filename(stem)
1634 fn compile_test_and_save_bitcode(config: &Config, props: &TestProps,
1635 testfile: &Path) -> ProcRes {
1636 let aux_dir = aux_output_dir_name(config, testfile);
1637 // FIXME (#9639): This needs to handle non-utf8 paths
1638 let mut link_args = vec!("-L".to_string(),
1639 aux_dir.as_str().unwrap().to_string());
1640 let llvm_args = vec!("--emit=llvm-bc,obj".to_string(),
1641 "--crate-type=lib".to_string());
1642 link_args.extend(llvm_args.into_iter());
1643 let args = make_compile_args(config,
1646 |a, b| TargetLocation::ThisDirectory(
1647 output_base_name(a, b).dir_path()),
1649 compose_and_run_compiler(config, props, testfile, args, None)
1652 fn compile_cc_with_clang_and_save_bitcode(config: &Config, _props: &TestProps,
1653 testfile: &Path) -> ProcRes {
1654 let bitcodefile = output_base_name(config, testfile).with_extension("bc");
1655 let bitcodefile = append_suffix_to_stem(&bitcodefile, "clang");
1656 let testcc = testfile.with_extension("cc");
1657 let proc_args = ProcArgs {
1658 // FIXME (#9639): This needs to handle non-utf8 paths
1659 prog: config.clang_path.as_ref().unwrap().as_str().unwrap().to_string(),
1660 args: vec!("-c".to_string(),
1661 "-emit-llvm".to_string(),
1663 bitcodefile.as_str().unwrap().to_string(),
1664 testcc.as_str().unwrap().to_string())
1666 compose_and_run(config, testfile, proc_args, Vec::new(), "", None, None)
1669 fn extract_function_from_bitcode(config: &Config, _props: &TestProps,
1670 fname: &str, testfile: &Path,
1671 suffix: &str) -> ProcRes {
1672 let bitcodefile = output_base_name(config, testfile).with_extension("bc");
1673 let bitcodefile = append_suffix_to_stem(&bitcodefile, suffix);
1674 let extracted_bc = append_suffix_to_stem(&bitcodefile, "extract");
1675 let prog = config.llvm_bin_path.as_ref().unwrap().join("llvm-extract");
1676 let proc_args = ProcArgs {
1677 // FIXME (#9639): This needs to handle non-utf8 paths
1678 prog: prog.as_str().unwrap().to_string(),
1679 args: vec!(format!("-func={}", fname),
1680 format!("-o={}", extracted_bc.as_str().unwrap()),
1681 bitcodefile.as_str().unwrap().to_string())
1683 compose_and_run(config, testfile, proc_args, Vec::new(), "", None, None)
1686 fn disassemble_extract(config: &Config, _props: &TestProps,
1687 testfile: &Path, suffix: &str) -> ProcRes {
1688 let bitcodefile = output_base_name(config, testfile).with_extension("bc");
1689 let bitcodefile = append_suffix_to_stem(&bitcodefile, suffix);
1690 let extracted_bc = append_suffix_to_stem(&bitcodefile, "extract");
1691 let extracted_ll = extracted_bc.with_extension("ll");
1692 let prog = config.llvm_bin_path.as_ref().unwrap().join("llvm-dis");
1693 let proc_args = ProcArgs {
1694 // FIXME (#9639): This needs to handle non-utf8 paths
1695 prog: prog.as_str().unwrap().to_string(),
1696 args: vec!(format!("-o={}", extracted_ll.as_str().unwrap()),
1697 extracted_bc.as_str().unwrap().to_string())
1699 compose_and_run(config, testfile, proc_args, Vec::new(), "", None, None)
1703 fn count_extracted_lines(p: &Path) -> uint {
1704 let x = File::open(&p.with_extension("ll")).read_to_end().unwrap();
1705 let x = str::from_utf8(x.as_slice()).unwrap();
1710 fn run_codegen_test(config: &Config, props: &TestProps,
1711 testfile: &Path, mm: &mut MetricMap) {
1713 if config.llvm_bin_path.is_none() {
1714 fatal("missing --llvm-bin-path");
1717 if config.clang_path.is_none() {
1718 fatal("missing --clang-path");
1721 let mut proc_res = compile_test_and_save_bitcode(config, props, testfile);
1722 if !proc_res.status.success() {
1723 fatal_proc_rec("compilation failed!", &proc_res);
1726 proc_res = extract_function_from_bitcode(config, props, "test", testfile, "");
1727 if !proc_res.status.success() {
1728 fatal_proc_rec("extracting 'test' function failed",
1732 proc_res = disassemble_extract(config, props, testfile, "");
1733 if !proc_res.status.success() {
1734 fatal_proc_rec("disassembling extract failed", &proc_res);
1738 let mut proc_res = compile_cc_with_clang_and_save_bitcode(config, props, testfile);
1739 if !proc_res.status.success() {
1740 fatal_proc_rec("compilation failed!", &proc_res);
1743 proc_res = extract_function_from_bitcode(config, props, "test", testfile, "clang");
1744 if !proc_res.status.success() {
1745 fatal_proc_rec("extracting 'test' function failed",
1749 proc_res = disassemble_extract(config, props, testfile, "clang");
1750 if !proc_res.status.success() {
1751 fatal_proc_rec("disassembling extract failed", &proc_res);
1754 let base = output_base_name(config, testfile);
1755 let base_extract = append_suffix_to_stem(&base, "extract");
1757 let base_clang = append_suffix_to_stem(&base, "clang");
1758 let base_clang_extract = append_suffix_to_stem(&base_clang, "extract");
1760 let base_lines = count_extracted_lines(&base_extract);
1761 let clang_lines = count_extracted_lines(&base_clang_extract);
1763 mm.insert_metric("clang-codegen-ratio",
1764 (base_lines as f64) / (clang_lines as f64),