| use std::collections::HashSet; |
| use std::env; |
| use std::fs::File; |
| use std::io::prelude::*; |
| use std::io::BufReader; |
| use std::path::{Path, PathBuf}; |
| |
| use tracing::*; |
| |
| use crate::common::{CompareMode, Config, Debugger, FailMode, Mode, PassMode}; |
| use crate::util; |
| use crate::{extract_cdb_version, extract_gdb_version}; |
| |
| #[cfg(test)] |
| mod tests; |
| |
| /// The result of parse_cfg_name_directive. |
| #[derive(Clone, Copy, PartialEq, Debug)] |
| enum ParsedNameDirective { |
| /// No match. |
| NoMatch, |
| /// Match. |
| Match, |
| } |
| |
| /// Properties which must be known very early, before actually running |
| /// the test. |
| #[derive(Default)] |
| pub struct EarlyProps { |
| pub ignore: bool, |
| pub should_fail: bool, |
| pub aux: Vec<String>, |
| pub aux_crate: Vec<(String, String)>, |
| pub revisions: Vec<String>, |
| } |
| |
| impl EarlyProps { |
| pub fn from_file(config: &Config, testfile: &Path) -> Self { |
| let file = File::open(testfile).unwrap(); |
| Self::from_reader(config, testfile, file) |
| } |
| |
| pub fn from_reader<R: Read>(config: &Config, testfile: &Path, rdr: R) -> Self { |
| let mut props = EarlyProps::default(); |
| let rustc_has_profiler_support = env::var_os("RUSTC_PROFILER_SUPPORT").is_some(); |
| let rustc_has_sanitizer_support = env::var_os("RUSTC_SANITIZER_SUPPORT").is_some(); |
| let has_asan = util::ASAN_SUPPORTED_TARGETS.contains(&&*config.target); |
| let has_lsan = util::LSAN_SUPPORTED_TARGETS.contains(&&*config.target); |
| let has_msan = util::MSAN_SUPPORTED_TARGETS.contains(&&*config.target); |
| let has_tsan = util::TSAN_SUPPORTED_TARGETS.contains(&&*config.target); |
| |
| iter_header(testfile, None, rdr, &mut |ln| { |
| // we should check if any only-<platform> exists and if it exists |
| // and does not matches the current platform, skip the test |
| if !props.ignore { |
| props.ignore = match config.parse_cfg_name_directive(ln, "ignore") { |
| ParsedNameDirective::Match => true, |
| ParsedNameDirective::NoMatch => props.ignore, |
| }; |
| |
| if config.has_cfg_prefix(ln, "only") { |
| props.ignore = match config.parse_cfg_name_directive(ln, "only") { |
| ParsedNameDirective::Match => props.ignore, |
| ParsedNameDirective::NoMatch => true, |
| }; |
| } |
| |
| if ignore_llvm(config, ln) { |
| props.ignore = true; |
| } |
| |
| if config.run_clang_based_tests_with.is_none() |
| && config.parse_needs_matching_clang(ln) |
| { |
| props.ignore = true; |
| } |
| |
| if !rustc_has_profiler_support && config.parse_needs_profiler_support(ln) { |
| props.ignore = true; |
| } |
| |
| if !rustc_has_sanitizer_support |
| && config.parse_name_directive(ln, "needs-sanitizer-support") |
| { |
| props.ignore = true; |
| } |
| |
| if !has_asan && config.parse_name_directive(ln, "needs-sanitizer-address") { |
| props.ignore = true; |
| } |
| |
| if !has_lsan && config.parse_name_directive(ln, "needs-sanitizer-leak") { |
| props.ignore = true; |
| } |
| |
| if !has_msan && config.parse_name_directive(ln, "needs-sanitizer-memory") { |
| props.ignore = true; |
| } |
| |
| if !has_tsan && config.parse_name_directive(ln, "needs-sanitizer-thread") { |
| props.ignore = true; |
| } |
| |
| if config.target == "wasm32-unknown-unknown" && config.parse_check_run_results(ln) { |
| props.ignore = true; |
| } |
| |
| if config.debugger == Some(Debugger::Cdb) && ignore_cdb(config, ln) { |
| props.ignore = true; |
| } |
| |
| if config.debugger == Some(Debugger::Gdb) && ignore_gdb(config, ln) { |
| props.ignore = true; |
| } |
| |
| if config.debugger == Some(Debugger::Lldb) && ignore_lldb(config, ln) { |
| props.ignore = true; |
| } |
| } |
| |
| if let Some(s) = config.parse_aux_build(ln) { |
| props.aux.push(s); |
| } |
| |
| if let Some(ac) = config.parse_aux_crate(ln) { |
| props.aux_crate.push(ac); |
| } |
| |
| if let Some(r) = config.parse_revisions(ln) { |
| props.revisions.extend(r); |
| } |
| |
| props.should_fail = props.should_fail || config.parse_name_directive(ln, "should-fail"); |
| }); |
| |
| return props; |
| |
| fn ignore_cdb(config: &Config, line: &str) -> bool { |
| if let Some(actual_version) = config.cdb_version { |
| if let Some(min_version) = line.strip_prefix("min-cdb-version:").map(str::trim) { |
| let min_version = extract_cdb_version(min_version).unwrap_or_else(|| { |
| panic!("couldn't parse version range: {:?}", min_version); |
| }); |
| |
| // Ignore if actual version is smaller than the minimum |
| // required version |
| return actual_version < min_version; |
| } |
| } |
| false |
| } |
| |
| fn ignore_gdb(config: &Config, line: &str) -> bool { |
| if let Some(actual_version) = config.gdb_version { |
| if let Some(rest) = line.strip_prefix("min-gdb-version:").map(str::trim) { |
| let (start_ver, end_ver) = extract_version_range(rest, extract_gdb_version) |
| .unwrap_or_else(|| { |
| panic!("couldn't parse version range: {:?}", rest); |
| }); |
| |
| if start_ver != end_ver { |
| panic!("Expected single GDB version") |
| } |
| // Ignore if actual version is smaller than the minimum |
| // required version |
| return actual_version < start_ver; |
| } else if let Some(rest) = line.strip_prefix("ignore-gdb-version:").map(str::trim) { |
| let (min_version, max_version) = |
| extract_version_range(rest, extract_gdb_version).unwrap_or_else(|| { |
| panic!("couldn't parse version range: {:?}", rest); |
| }); |
| |
| if max_version < min_version { |
| panic!("Malformed GDB version range: max < min") |
| } |
| |
| return actual_version >= min_version && actual_version <= max_version; |
| } |
| } |
| false |
| } |
| |
| fn ignore_lldb(config: &Config, line: &str) -> bool { |
| if let Some(actual_version) = config.lldb_version { |
| if let Some(min_version) = line.strip_prefix("min-lldb-version:").map(str::trim) { |
| let min_version = min_version.parse().unwrap_or_else(|e| { |
| panic!( |
| "Unexpected format of LLDB version string: {}\n{:?}", |
| min_version, e |
| ); |
| }); |
| // Ignore if actual version is smaller the minimum required |
| // version |
| actual_version < min_version |
| } else { |
| line.starts_with("rust-lldb") && !config.lldb_native_rust |
| } |
| } else { |
| false |
| } |
| } |
| |
| fn ignore_llvm(config: &Config, line: &str) -> bool { |
| if config.system_llvm && line.starts_with("no-system-llvm") { |
| return true; |
| } |
| if let Some(needed_components) = |
| config.parse_name_value_directive(line, "needs-llvm-components") |
| { |
| let components: HashSet<_> = config.llvm_components.split_whitespace().collect(); |
| if !needed_components |
| .split_whitespace() |
| .all(|needed_component| components.contains(needed_component)) |
| { |
| return true; |
| } |
| } |
| if let Some(actual_version) = config.llvm_version { |
| if let Some(rest) = line.strip_prefix("min-llvm-version:").map(str::trim) { |
| let min_version = extract_llvm_version(rest).unwrap(); |
| // Ignore if actual version is smaller the minimum required |
| // version |
| actual_version < min_version |
| } else if let Some(rest) = |
| line.strip_prefix("min-system-llvm-version:").map(str::trim) |
| { |
| let min_version = extract_llvm_version(rest).unwrap(); |
| // Ignore if using system LLVM and actual version |
| // is smaller the minimum required version |
| config.system_llvm && actual_version < min_version |
| } else if let Some(rest) = line.strip_prefix("ignore-llvm-version:").map(str::trim) |
| { |
| // Syntax is: "ignore-llvm-version: <version1> [- <version2>]" |
| let (v_min, v_max) = extract_version_range(rest, extract_llvm_version) |
| .unwrap_or_else(|| { |
| panic!("couldn't parse version range: {:?}", rest); |
| }); |
| if v_max < v_min { |
| panic!("Malformed LLVM version range: max < min") |
| } |
| // Ignore if version lies inside of range. |
| actual_version >= v_min && actual_version <= v_max |
| } else { |
| false |
| } |
| } else { |
| false |
| } |
| } |
| } |
| } |
| |
| #[derive(Clone, Debug)] |
| pub struct TestProps { |
| // Lines that should be expected, in order, on standard out |
| pub error_patterns: Vec<String>, |
| // Extra flags to pass to the compiler |
| pub compile_flags: Vec<String>, |
| // Extra flags to pass when the compiled code is run (such as --bench) |
| pub run_flags: Option<String>, |
| // If present, the name of a file that this test should match when |
| // pretty-printed |
| pub pp_exact: Option<PathBuf>, |
| // Other crates that should be compiled (typically from the same |
| // directory as the test, but for backwards compatibility reasons |
| // we also check the auxiliary directory) |
| pub aux_builds: Vec<String>, |
| // Similar to `aux_builds`, but a list of NAME=somelib.rs of dependencies |
| // to build and pass with the `--extern` flag. |
| pub aux_crates: Vec<(String, String)>, |
| // Environment settings to use for compiling |
| pub rustc_env: Vec<(String, String)>, |
| // Environment variables to unset prior to compiling. |
| // Variables are unset before applying 'rustc_env'. |
| pub unset_rustc_env: Vec<String>, |
| // Environment settings to use during execution |
| pub exec_env: Vec<(String, String)>, |
| // Lines to check if they appear in the expected debugger output |
| pub check_lines: Vec<String>, |
| // Build documentation for all specified aux-builds as well |
| pub build_aux_docs: bool, |
| // Flag to force a crate to be built with the host architecture |
| pub force_host: bool, |
| // Check stdout for error-pattern output as well as stderr |
| pub check_stdout: bool, |
| // Check stdout & stderr for output of run-pass test |
| pub check_run_results: bool, |
| // For UI tests, allows compiler to generate arbitrary output to stdout |
| pub dont_check_compiler_stdout: bool, |
| // For UI tests, allows compiler to generate arbitrary output to stderr |
| pub dont_check_compiler_stderr: bool, |
| // Don't force a --crate-type=dylib flag on the command line |
| // |
| // Set this for example if you have an auxiliary test file that contains |
| // a proc-macro and needs `#![crate_type = "proc-macro"]`. This ensures |
| // that the aux file is compiled as a `proc-macro` and not as a `dylib`. |
| pub no_prefer_dynamic: bool, |
| // Run --pretty expanded when running pretty printing tests |
| pub pretty_expanded: bool, |
| // Which pretty mode are we testing with, default to 'normal' |
| pub pretty_mode: String, |
| // Only compare pretty output and don't try compiling |
| pub pretty_compare_only: bool, |
| // Patterns which must not appear in the output of a cfail test. |
| pub forbid_output: Vec<String>, |
| // Revisions to test for incremental compilation. |
| pub revisions: Vec<String>, |
| // Directory (if any) to use for incremental compilation. This is |
| // not set by end-users; rather it is set by the incremental |
| // testing harness and used when generating compilation |
| // arguments. (In particular, it propagates to the aux-builds.) |
| pub incremental_dir: Option<PathBuf>, |
| // How far should the test proceed while still passing. |
| pass_mode: Option<PassMode>, |
| // Ignore `--pass` overrides from the command line for this test. |
| ignore_pass: bool, |
| // How far this test should proceed to start failing. |
| pub fail_mode: Option<FailMode>, |
| // rustdoc will test the output of the `--test` option |
| pub check_test_line_numbers_match: bool, |
| // customized normalization rules |
| pub normalize_stdout: Vec<(String, String)>, |
| pub normalize_stderr: Vec<(String, String)>, |
| pub failure_status: i32, |
| // Whether or not `rustfix` should apply the `CodeSuggestion`s of this test and compile the |
| // resulting Rust code. |
| pub run_rustfix: bool, |
| // If true, `rustfix` will only apply `MachineApplicable` suggestions. |
| pub rustfix_only_machine_applicable: bool, |
| pub assembly_output: Option<String>, |
| // If true, the test is expected to ICE |
| pub should_ice: bool, |
| } |
| |
| impl TestProps { |
| pub fn new() -> Self { |
| TestProps { |
| error_patterns: vec![], |
| compile_flags: vec![], |
| run_flags: None, |
| pp_exact: None, |
| aux_builds: vec![], |
| aux_crates: vec![], |
| revisions: vec![], |
| rustc_env: vec![], |
| unset_rustc_env: vec![], |
| exec_env: vec![], |
| check_lines: vec![], |
| build_aux_docs: false, |
| force_host: false, |
| check_stdout: false, |
| check_run_results: false, |
| dont_check_compiler_stdout: false, |
| dont_check_compiler_stderr: false, |
| no_prefer_dynamic: false, |
| pretty_expanded: false, |
| pretty_mode: "normal".to_string(), |
| pretty_compare_only: false, |
| forbid_output: vec![], |
| incremental_dir: None, |
| pass_mode: None, |
| fail_mode: None, |
| ignore_pass: false, |
| check_test_line_numbers_match: false, |
| normalize_stdout: vec![], |
| normalize_stderr: vec![], |
| failure_status: -1, |
| run_rustfix: false, |
| rustfix_only_machine_applicable: false, |
| assembly_output: None, |
| should_ice: false, |
| } |
| } |
| |
| pub fn from_aux_file(&self, testfile: &Path, cfg: Option<&str>, config: &Config) -> Self { |
| let mut props = TestProps::new(); |
| |
| // copy over select properties to the aux build: |
| props.incremental_dir = self.incremental_dir.clone(); |
| props.load_from(testfile, cfg, config); |
| |
| props |
| } |
| |
| pub fn from_file(testfile: &Path, cfg: Option<&str>, config: &Config) -> Self { |
| let mut props = TestProps::new(); |
| props.load_from(testfile, cfg, config); |
| |
| match (props.pass_mode, props.fail_mode) { |
| (None, None) => props.fail_mode = Some(FailMode::Check), |
| (Some(_), None) | (None, Some(_)) => {} |
| (Some(_), Some(_)) => panic!("cannot use a *-fail and *-pass mode together"), |
| } |
| |
| props |
| } |
| |
| /// Loads properties from `testfile` into `props`. If a property is |
| /// tied to a particular revision `foo` (indicated by writing |
| /// `//[foo]`), then the property is ignored unless `cfg` is |
| /// `Some("foo")`. |
| fn load_from(&mut self, testfile: &Path, cfg: Option<&str>, config: &Config) { |
| if !testfile.is_dir() { |
| let file = File::open(testfile).unwrap(); |
| |
| iter_header(testfile, cfg, file, &mut |ln| { |
| if let Some(ep) = config.parse_error_pattern(ln) { |
| self.error_patterns.push(ep); |
| } |
| |
| if let Some(flags) = config.parse_compile_flags(ln) { |
| self.compile_flags.extend(flags.split_whitespace().map(|s| s.to_owned())); |
| } |
| |
| if let Some(edition) = config.parse_edition(ln) { |
| self.compile_flags.push(format!("--edition={}", edition)); |
| } |
| |
| if let Some(r) = config.parse_revisions(ln) { |
| self.revisions.extend(r); |
| } |
| |
| if self.run_flags.is_none() { |
| self.run_flags = config.parse_run_flags(ln); |
| } |
| |
| if self.pp_exact.is_none() { |
| self.pp_exact = config.parse_pp_exact(ln, testfile); |
| } |
| |
| if !self.should_ice { |
| self.should_ice = config.parse_should_ice(ln); |
| } |
| |
| if !self.build_aux_docs { |
| self.build_aux_docs = config.parse_build_aux_docs(ln); |
| } |
| |
| if !self.force_host { |
| self.force_host = config.parse_force_host(ln); |
| } |
| |
| if !self.check_stdout { |
| self.check_stdout = config.parse_check_stdout(ln); |
| } |
| |
| if !self.check_run_results { |
| self.check_run_results = config.parse_check_run_results(ln); |
| } |
| |
| if !self.dont_check_compiler_stdout { |
| self.dont_check_compiler_stdout = config.parse_dont_check_compiler_stdout(ln); |
| } |
| |
| if !self.dont_check_compiler_stderr { |
| self.dont_check_compiler_stderr = config.parse_dont_check_compiler_stderr(ln); |
| } |
| |
| if !self.no_prefer_dynamic { |
| self.no_prefer_dynamic = config.parse_no_prefer_dynamic(ln); |
| } |
| |
| if !self.pretty_expanded { |
| self.pretty_expanded = config.parse_pretty_expanded(ln); |
| } |
| |
| if let Some(m) = config.parse_pretty_mode(ln) { |
| self.pretty_mode = m; |
| } |
| |
| if !self.pretty_compare_only { |
| self.pretty_compare_only = config.parse_pretty_compare_only(ln); |
| } |
| |
| if let Some(ab) = config.parse_aux_build(ln) { |
| self.aux_builds.push(ab); |
| } |
| |
| if let Some(ac) = config.parse_aux_crate(ln) { |
| self.aux_crates.push(ac); |
| } |
| |
| if let Some(ee) = config.parse_env(ln, "exec-env") { |
| self.exec_env.push(ee); |
| } |
| |
| if let Some(ee) = config.parse_env(ln, "rustc-env") { |
| self.rustc_env.push(ee); |
| } |
| |
| if let Some(ev) = config.parse_name_value_directive(ln, "unset-rustc-env") { |
| self.unset_rustc_env.push(ev); |
| } |
| |
| if let Some(cl) = config.parse_check_line(ln) { |
| self.check_lines.push(cl); |
| } |
| |
| if let Some(of) = config.parse_forbid_output(ln) { |
| self.forbid_output.push(of); |
| } |
| |
| if !self.check_test_line_numbers_match { |
| self.check_test_line_numbers_match = |
| config.parse_check_test_line_numbers_match(ln); |
| } |
| |
| self.update_pass_mode(ln, cfg, config); |
| self.update_fail_mode(ln, config); |
| |
| if !self.ignore_pass { |
| self.ignore_pass = config.parse_ignore_pass(ln); |
| } |
| |
| if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stdout") { |
| self.normalize_stdout.push(rule); |
| } |
| if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stderr") { |
| self.normalize_stderr.push(rule); |
| } |
| |
| if let Some(code) = config.parse_failure_status(ln) { |
| self.failure_status = code; |
| } |
| |
| if !self.run_rustfix { |
| self.run_rustfix = config.parse_run_rustfix(ln); |
| } |
| |
| if !self.rustfix_only_machine_applicable { |
| self.rustfix_only_machine_applicable = |
| config.parse_rustfix_only_machine_applicable(ln); |
| } |
| |
| if self.assembly_output.is_none() { |
| self.assembly_output = config.parse_assembly_output(ln); |
| } |
| }); |
| } |
| |
| if self.failure_status == -1 { |
| self.failure_status = match config.mode { |
| Mode::RunFail => 101, |
| _ => 1, |
| }; |
| } |
| if self.should_ice { |
| self.failure_status = 101; |
| } |
| |
| for key in &["RUST_TEST_NOCAPTURE", "RUST_TEST_THREADS"] { |
| if let Ok(val) = env::var(key) { |
| if self.exec_env.iter().find(|&&(ref x, _)| x == key).is_none() { |
| self.exec_env.push(((*key).to_owned(), val)) |
| } |
| } |
| } |
| } |
| |
| fn update_fail_mode(&mut self, ln: &str, config: &Config) { |
| let check_ui = |mode: &str| { |
| if config.mode != Mode::Ui { |
| panic!("`{}-fail` header is only supported in UI tests", mode); |
| } |
| }; |
| if config.mode == Mode::Ui && config.parse_name_directive(ln, "compile-fail") { |
| panic!("`compile-fail` header is useless in UI tests"); |
| } |
| let fail_mode = if config.parse_name_directive(ln, "check-fail") { |
| check_ui("check"); |
| Some(FailMode::Check) |
| } else if config.parse_name_directive(ln, "build-fail") { |
| check_ui("build"); |
| Some(FailMode::Build) |
| } else if config.parse_name_directive(ln, "run-fail") { |
| check_ui("run"); |
| Some(FailMode::Run) |
| } else { |
| None |
| }; |
| match (self.fail_mode, fail_mode) { |
| (None, Some(_)) => self.fail_mode = fail_mode, |
| (Some(_), Some(_)) => panic!("multiple `*-fail` headers in a single test"), |
| (_, None) => {} |
| } |
| } |
| |
| fn update_pass_mode(&mut self, ln: &str, revision: Option<&str>, config: &Config) { |
| let check_no_run = |s| { |
| if config.mode != Mode::Ui && config.mode != Mode::Incremental { |
| panic!("`{}` header is only supported in UI and incremental tests", s); |
| } |
| if config.mode == Mode::Incremental |
| && !revision.map_or(false, |r| r.starts_with("cfail")) |
| && !self.revisions.iter().all(|r| r.starts_with("cfail")) |
| { |
| panic!("`{}` header is only supported in `cfail` incremental tests", s); |
| } |
| }; |
| let pass_mode = if config.parse_name_directive(ln, "check-pass") { |
| check_no_run("check-pass"); |
| Some(PassMode::Check) |
| } else if config.parse_name_directive(ln, "build-pass") { |
| check_no_run("build-pass"); |
| Some(PassMode::Build) |
| } else if config.parse_name_directive(ln, "run-pass") { |
| if config.mode != Mode::Ui { |
| panic!("`run-pass` header is only supported in UI tests") |
| } |
| Some(PassMode::Run) |
| } else { |
| None |
| }; |
| match (self.pass_mode, pass_mode) { |
| (None, Some(_)) => self.pass_mode = pass_mode, |
| (Some(_), Some(_)) => panic!("multiple `*-pass` headers in a single test"), |
| (_, None) => {} |
| } |
| } |
| |
| pub fn pass_mode(&self, config: &Config) -> Option<PassMode> { |
| if !self.ignore_pass && self.fail_mode.is_none() && config.mode == Mode::Ui { |
| if let (mode @ Some(_), Some(_)) = (config.force_pass_mode, self.pass_mode) { |
| return mode; |
| } |
| } |
| self.pass_mode |
| } |
| |
| // does not consider CLI override for pass mode |
| pub fn local_pass_mode(&self) -> Option<PassMode> { |
| self.pass_mode |
| } |
| } |
| |
| fn iter_header<R: Read>(testfile: &Path, cfg: Option<&str>, rdr: R, it: &mut dyn FnMut(&str)) { |
| if testfile.is_dir() { |
| return; |
| } |
| |
| let comment = if testfile.to_string_lossy().ends_with(".rs") { "//" } else { "#" }; |
| |
| let mut rdr = BufReader::new(rdr); |
| let mut ln = String::new(); |
| |
| loop { |
| ln.clear(); |
| if rdr.read_line(&mut ln).unwrap() == 0 { |
| break; |
| } |
| |
| // Assume that any directives will be found before the first |
| // module or function. This doesn't seem to be an optimization |
| // with a warm page cache. Maybe with a cold one. |
| let ln = ln.trim(); |
| if ln.starts_with("fn") || ln.starts_with("mod") { |
| return; |
| } else if ln.starts_with(comment) && ln[comment.len()..].trim_start().starts_with('[') { |
| // A comment like `//[foo]` is specific to revision `foo` |
| if let Some(close_brace) = ln.find(']') { |
| let open_brace = ln.find('[').unwrap(); |
| let lncfg = &ln[open_brace + 1..close_brace]; |
| let matches = match cfg { |
| Some(s) => s == &lncfg[..], |
| None => false, |
| }; |
| if matches { |
| it(ln[(close_brace + 1)..].trim_start()); |
| } |
| } else { |
| panic!("malformed condition directive: expected `{}[foo]`, found `{}`", comment, ln) |
| } |
| } else if ln.starts_with(comment) { |
| it(ln[comment.len()..].trim_start()); |
| } |
| } |
| } |
| |
| impl Config { |
| fn parse_should_ice(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "should-ice") |
| } |
| fn parse_error_pattern(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "error-pattern") |
| } |
| |
| fn parse_forbid_output(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "forbid-output") |
| } |
| |
| fn parse_aux_build(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "aux-build").map(|r| r.trim().to_string()) |
| } |
| |
| fn parse_aux_crate(&self, line: &str) -> Option<(String, String)> { |
| self.parse_name_value_directive(line, "aux-crate").map(|r| { |
| let mut parts = r.trim().splitn(2, '='); |
| ( |
| parts.next().expect("aux-crate name").to_string(), |
| parts.next().expect("aux-crate value").to_string(), |
| ) |
| }) |
| } |
| |
| fn parse_compile_flags(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "compile-flags") |
| } |
| |
| fn parse_revisions(&self, line: &str) -> Option<Vec<String>> { |
| self.parse_name_value_directive(line, "revisions") |
| .map(|r| r.split_whitespace().map(|t| t.to_string()).collect()) |
| } |
| |
| fn parse_run_flags(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "run-flags") |
| } |
| |
| fn parse_check_line(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "check") |
| } |
| |
| fn parse_force_host(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "force-host") |
| } |
| |
| fn parse_build_aux_docs(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "build-aux-docs") |
| } |
| |
| fn parse_check_stdout(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "check-stdout") |
| } |
| |
| fn parse_check_run_results(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "check-run-results") |
| } |
| |
| fn parse_dont_check_compiler_stdout(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "dont-check-compiler-stdout") |
| } |
| |
| fn parse_dont_check_compiler_stderr(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "dont-check-compiler-stderr") |
| } |
| |
| fn parse_no_prefer_dynamic(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "no-prefer-dynamic") |
| } |
| |
| fn parse_pretty_expanded(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "pretty-expanded") |
| } |
| |
| fn parse_pretty_mode(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "pretty-mode") |
| } |
| |
| fn parse_pretty_compare_only(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "pretty-compare-only") |
| } |
| |
| fn parse_failure_status(&self, line: &str) -> Option<i32> { |
| match self.parse_name_value_directive(line, "failure-status") { |
| Some(code) => code.trim().parse::<i32>().ok(), |
| _ => None, |
| } |
| } |
| |
| fn parse_check_test_line_numbers_match(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "check-test-line-numbers-match") |
| } |
| |
| fn parse_ignore_pass(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "ignore-pass") |
| } |
| |
| fn parse_assembly_output(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "assembly-output").map(|r| r.trim().to_string()) |
| } |
| |
| fn parse_env(&self, line: &str, name: &str) -> Option<(String, String)> { |
| self.parse_name_value_directive(line, name).map(|nv| { |
| // nv is either FOO or FOO=BAR |
| let mut strs: Vec<String> = nv.splitn(2, '=').map(str::to_owned).collect(); |
| |
| match strs.len() { |
| 1 => (strs.pop().unwrap(), String::new()), |
| 2 => { |
| let end = strs.pop().unwrap(); |
| (strs.pop().unwrap(), end) |
| } |
| n => panic!("Expected 1 or 2 strings, not {}", n), |
| } |
| }) |
| } |
| |
| fn parse_pp_exact(&self, line: &str, testfile: &Path) -> Option<PathBuf> { |
| if let Some(s) = self.parse_name_value_directive(line, "pp-exact") { |
| Some(PathBuf::from(&s)) |
| } else if self.parse_name_directive(line, "pp-exact") { |
| testfile.file_name().map(PathBuf::from) |
| } else { |
| None |
| } |
| } |
| |
| fn parse_custom_normalization(&self, mut line: &str, prefix: &str) -> Option<(String, String)> { |
| if self.parse_cfg_name_directive(line, prefix) == ParsedNameDirective::Match { |
| let from = parse_normalization_string(&mut line)?; |
| let to = parse_normalization_string(&mut line)?; |
| Some((from, to)) |
| } else { |
| None |
| } |
| } |
| |
| fn parse_needs_matching_clang(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "needs-matching-clang") |
| } |
| |
| fn parse_needs_profiler_support(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "needs-profiler-support") |
| } |
| |
| /// Parses a name-value directive which contains config-specific information, e.g., `ignore-x86` |
| /// or `normalize-stderr-32bit`. |
| fn parse_cfg_name_directive(&self, line: &str, prefix: &str) -> ParsedNameDirective { |
| if !line.as_bytes().starts_with(prefix.as_bytes()) { |
| return ParsedNameDirective::NoMatch; |
| } |
| if line.as_bytes().get(prefix.len()) != Some(&b'-') { |
| return ParsedNameDirective::NoMatch; |
| } |
| |
| let name = line[prefix.len() + 1..].split(&[':', ' '][..]).next().unwrap(); |
| |
| let is_match = name == "test" || |
| self.target == name || // triple |
| util::matches_os(&self.target, name) || // target |
| util::matches_env(&self.target, name) || // env |
| self.target.ends_with(name) || // target and env |
| name == util::get_arch(&self.target) || // architecture |
| name == util::get_pointer_width(&self.target) || // pointer width |
| name == self.stage_id.split('-').next().unwrap() || // stage |
| (self.target != self.host && name == "cross-compile") || |
| (name == "endian-big" && util::is_big_endian(&self.target)) || |
| (self.remote_test_client.is_some() && name == "remote") || |
| match self.compare_mode { |
| Some(CompareMode::Nll) => name == "compare-mode-nll", |
| Some(CompareMode::Polonius) => name == "compare-mode-polonius", |
| Some(CompareMode::Chalk) => name == "compare-mode-chalk", |
| None => false, |
| } || |
| (cfg!(debug_assertions) && name == "debug") || |
| match self.debugger { |
| Some(Debugger::Cdb) => name == "cdb", |
| Some(Debugger::Gdb) => name == "gdb", |
| Some(Debugger::Lldb) => name == "lldb", |
| None => false, |
| }; |
| |
| if is_match { ParsedNameDirective::Match } else { ParsedNameDirective::NoMatch } |
| } |
| |
| fn has_cfg_prefix(&self, line: &str, prefix: &str) -> bool { |
| // returns whether this line contains this prefix or not. For prefix |
| // "ignore", returns true if line says "ignore-x86_64", "ignore-arch", |
| // "ignore-android" etc. |
| line.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') |
| } |
| |
| fn parse_name_directive(&self, line: &str, directive: &str) -> bool { |
| // Ensure the directive is a whole word. Do not match "ignore-x86" when |
| // the line says "ignore-x86_64". |
| line.starts_with(directive) |
| && matches!(line.as_bytes().get(directive.len()), None | Some(&b' ') | Some(&b':')) |
| } |
| |
| pub fn parse_name_value_directive(&self, line: &str, directive: &str) -> Option<String> { |
| let colon = directive.len(); |
| if line.starts_with(directive) && line.as_bytes().get(colon) == Some(&b':') { |
| let value = line[(colon + 1)..].to_owned(); |
| debug!("{}: {}", directive, value); |
| Some(expand_variables(value, self)) |
| } else { |
| None |
| } |
| } |
| |
| pub fn find_rust_src_root(&self) -> Option<PathBuf> { |
| let mut path = self.src_base.clone(); |
| let path_postfix = Path::new("src/etc/lldb_batchmode.py"); |
| |
| while path.pop() { |
| if path.join(&path_postfix).is_file() { |
| return Some(path); |
| } |
| } |
| |
| None |
| } |
| |
| fn parse_run_rustfix(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "run-rustfix") |
| } |
| |
| fn parse_rustfix_only_machine_applicable(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "rustfix-only-machine-applicable") |
| } |
| |
| fn parse_edition(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "edition") |
| } |
| } |
| |
| fn expand_variables(mut value: String, config: &Config) -> String { |
| const CWD: &str = "{{cwd}}"; |
| const SRC_BASE: &str = "{{src-base}}"; |
| const BUILD_BASE: &str = "{{build-base}}"; |
| |
| if value.contains(CWD) { |
| let cwd = env::current_dir().unwrap(); |
| value = value.replace(CWD, &cwd.to_string_lossy()); |
| } |
| |
| if value.contains(SRC_BASE) { |
| value = value.replace(SRC_BASE, &config.src_base.to_string_lossy()); |
| } |
| |
| if value.contains(BUILD_BASE) { |
| value = value.replace(BUILD_BASE, &config.build_base.to_string_lossy()); |
| } |
| |
| value |
| } |
| |
| /// Finds the next quoted string `"..."` in `line`, and extract the content from it. Move the `line` |
| /// variable after the end of the quoted string. |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// let mut s = "normalize-stderr-32bit: \"something (32 bits)\" -> \"something ($WORD bits)\"."; |
| /// let first = parse_normalization_string(&mut s); |
| /// assert_eq!(first, Some("something (32 bits)".to_owned())); |
| /// assert_eq!(s, " -> \"something ($WORD bits)\"."); |
| /// ``` |
| fn parse_normalization_string(line: &mut &str) -> Option<String> { |
| // FIXME support escapes in strings. |
| let begin = line.find('"')? + 1; |
| let end = line[begin..].find('"')? + begin; |
| let result = line[begin..end].to_owned(); |
| *line = &line[end + 1..]; |
| Some(result) |
| } |
| |
| pub fn extract_llvm_version(version: &str) -> Option<u32> { |
| let version_without_suffix = version.trim_end_matches("git").split('-').next().unwrap(); |
| let components: Vec<u32> = version_without_suffix |
| .split('.') |
| .map(|s| s.parse().expect("Malformed version component")) |
| .collect(); |
| let version = match *components { |
| [a] => a * 10_000, |
| [a, b] => a * 10_000 + b * 100, |
| [a, b, c] => a * 10_000 + b * 100 + c, |
| _ => panic!("Malformed version"), |
| }; |
| Some(version) |
| } |
| |
| // Takes a directive of the form "<version1> [- <version2>]", |
| // returns the numeric representation of <version1> and <version2> as |
| // tuple: (<version1> as u32, <version2> as u32) |
| // If the <version2> part is omitted, the second component of the tuple |
| // is the same as <version1>. |
| fn extract_version_range<F>(line: &str, parse: F) -> Option<(u32, u32)> |
| where |
| F: Fn(&str) -> Option<u32>, |
| { |
| let mut splits = line.splitn(2, "- ").map(str::trim); |
| let min = splits.next().unwrap(); |
| if min.ends_with('-') { |
| return None; |
| } |
| |
| let max = splits.next(); |
| |
| if min.is_empty() { |
| return None; |
| } |
| |
| let min = parse(min)?; |
| let max = match max { |
| Some(max) if max.is_empty() => return None, |
| Some(max) => parse(max)?, |
| _ => min, |
| }; |
| |
| Some((min, max)) |
| } |
