| 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 std::process::Command; |
| |
| 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 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).expect("open test file to parse earlyprops"); |
| Self::from_reader(config, testfile, file) |
| } |
| |
| pub fn from_reader<R: Read>(config: &Config, testfile: &Path, rdr: R) -> Self { |
| let mut props = EarlyProps::default(); |
| iter_header(testfile, rdr, &mut |_, ln| { |
| config.push_name_value_directive(ln, directives::AUX_BUILD, &mut props.aux, |r| { |
| r.trim().to_string() |
| }); |
| config.push_name_value_directive( |
| ln, |
| directives::AUX_CRATE, |
| &mut props.aux_crate, |
| Config::parse_aux_crate, |
| ); |
| config.parse_and_update_revisions(ln, &mut props.revisions); |
| }); |
| return props; |
| } |
| } |
| |
| #[derive(Clone, Debug)] |
| pub struct TestProps { |
| // Lines that should be expected, in order, on standard out |
| pub error_patterns: Vec<String>, |
| // Regexes that should be expected, in order, on standard out |
| pub regex_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)>, |
| // 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 -Zunpretty 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>, |
| // If `true`, this test will use incremental compilation. |
| // |
| // This can be set manually with the `incremental` header, or implicitly |
| // by being a part of an incremental mode test. Using the `incremental` |
| // header should be avoided if possible; using an incremental mode test is |
| // preferred. Incremental mode tests support multiple passes, which can |
| // verify that the incremental cache can be loaded properly after being |
| // created. Just setting the header will only verify the behavior with |
| // creating an incremental cache, but doesn't check that it is created |
| // correctly. |
| // |
| // Compiletest will create the incremental directory, and ensure it is |
| // empty before the test starts. Incremental mode tests will reuse the |
| // incremental directory between passes in the same test. |
| pub incremental: bool, |
| // If `true`, this test is a known bug. |
| // |
| // When set, some requirements are relaxed. Currently, this only means no |
| // error annotations are needed, but this may be updated in the future to |
| // include other relaxations. |
| pub known_bug: bool, |
| // 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, |
| // If true, the stderr is expected to be different across bit-widths. |
| pub stderr_per_bitwidth: bool, |
| // The MIR opt to unit test, if any |
| pub mir_unit_test: Option<String>, |
| // Whether to tell `rustc` to remap the "src base" directory to a fake |
| // directory. |
| pub remap_src_base: bool, |
| } |
| |
| mod directives { |
| pub const ERROR_PATTERN: &'static str = "error-pattern"; |
| pub const REGEX_ERROR_PATTERN: &'static str = "regex-error-pattern"; |
| pub const COMPILE_FLAGS: &'static str = "compile-flags"; |
| pub const RUN_FLAGS: &'static str = "run-flags"; |
| pub const SHOULD_ICE: &'static str = "should-ice"; |
| pub const BUILD_AUX_DOCS: &'static str = "build-aux-docs"; |
| pub const FORCE_HOST: &'static str = "force-host"; |
| pub const CHECK_STDOUT: &'static str = "check-stdout"; |
| pub const CHECK_RUN_RESULTS: &'static str = "check-run-results"; |
| pub const DONT_CHECK_COMPILER_STDOUT: &'static str = "dont-check-compiler-stdout"; |
| pub const DONT_CHECK_COMPILER_STDERR: &'static str = "dont-check-compiler-stderr"; |
| pub const NO_PREFER_DYNAMIC: &'static str = "no-prefer-dynamic"; |
| pub const PRETTY_EXPANDED: &'static str = "pretty-expanded"; |
| pub const PRETTY_MODE: &'static str = "pretty-mode"; |
| pub const PRETTY_COMPARE_ONLY: &'static str = "pretty-compare-only"; |
| pub const AUX_BUILD: &'static str = "aux-build"; |
| pub const AUX_CRATE: &'static str = "aux-crate"; |
| pub const EXEC_ENV: &'static str = "exec-env"; |
| pub const RUSTC_ENV: &'static str = "rustc-env"; |
| pub const UNSET_RUSTC_ENV: &'static str = "unset-rustc-env"; |
| pub const FORBID_OUTPUT: &'static str = "forbid-output"; |
| pub const CHECK_TEST_LINE_NUMBERS_MATCH: &'static str = "check-test-line-numbers-match"; |
| pub const IGNORE_PASS: &'static str = "ignore-pass"; |
| pub const FAILURE_STATUS: &'static str = "failure-status"; |
| pub const RUN_RUSTFIX: &'static str = "run-rustfix"; |
| pub const RUSTFIX_ONLY_MACHINE_APPLICABLE: &'static str = "rustfix-only-machine-applicable"; |
| pub const ASSEMBLY_OUTPUT: &'static str = "assembly-output"; |
| pub const STDERR_PER_BITWIDTH: &'static str = "stderr-per-bitwidth"; |
| pub const INCREMENTAL: &'static str = "incremental"; |
| pub const KNOWN_BUG: &'static str = "known-bug"; |
| pub const MIR_UNIT_TEST: &'static str = "unit-test"; |
| pub const REMAP_SRC_BASE: &'static str = "remap-src-base"; |
| // This isn't a real directive, just one that is probably mistyped often |
| pub const INCORRECT_COMPILER_FLAGS: &'static str = "compiler-flags"; |
| } |
| |
| impl TestProps { |
| pub fn new() -> Self { |
| TestProps { |
| error_patterns: vec![], |
| regex_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![], |
| 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, |
| incremental: false, |
| known_bug: false, |
| 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, |
| stderr_per_bitwidth: false, |
| mir_unit_test: None, |
| remap_src_base: 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.ignore_pass = true; |
| 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) if config.mode == Mode::Ui => props.fail_mode = Some(FailMode::Check), |
| (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) { |
| // Mode-dependent defaults. |
| self.remap_src_base = config.mode == Mode::Ui && !config.suite.contains("rustdoc"); |
| |
| let mut has_edition = false; |
| if !testfile.is_dir() { |
| let file = File::open(testfile).unwrap(); |
| |
| iter_header(testfile, file, &mut |revision, ln| { |
| if revision.is_some() && revision != cfg { |
| return; |
| } |
| |
| use directives::*; |
| |
| config.push_name_value_directive( |
| ln, |
| ERROR_PATTERN, |
| &mut self.error_patterns, |
| |r| r, |
| ); |
| config.push_name_value_directive( |
| ln, |
| REGEX_ERROR_PATTERN, |
| &mut self.regex_error_patterns, |
| |r| r, |
| ); |
| |
| if let Some(flags) = config.parse_name_value_directive(ln, COMPILE_FLAGS) { |
| self.compile_flags.extend(flags.split_whitespace().map(|s| s.to_owned())); |
| } |
| if config.parse_name_value_directive(ln, INCORRECT_COMPILER_FLAGS).is_some() { |
| panic!("`compiler-flags` directive should be spelled `compile-flags`"); |
| } |
| |
| if let Some(edition) = config.parse_edition(ln) { |
| self.compile_flags.push(format!("--edition={}", edition.trim())); |
| has_edition = true; |
| } |
| |
| config.parse_and_update_revisions(ln, &mut self.revisions); |
| |
| config.set_name_value_directive(ln, RUN_FLAGS, &mut self.run_flags, |r| r); |
| |
| if self.pp_exact.is_none() { |
| self.pp_exact = config.parse_pp_exact(ln, testfile); |
| } |
| |
| config.set_name_directive(ln, SHOULD_ICE, &mut self.should_ice); |
| config.set_name_directive(ln, BUILD_AUX_DOCS, &mut self.build_aux_docs); |
| config.set_name_directive(ln, FORCE_HOST, &mut self.force_host); |
| config.set_name_directive(ln, CHECK_STDOUT, &mut self.check_stdout); |
| config.set_name_directive(ln, CHECK_RUN_RESULTS, &mut self.check_run_results); |
| config.set_name_directive( |
| ln, |
| DONT_CHECK_COMPILER_STDOUT, |
| &mut self.dont_check_compiler_stdout, |
| ); |
| config.set_name_directive( |
| ln, |
| DONT_CHECK_COMPILER_STDERR, |
| &mut self.dont_check_compiler_stderr, |
| ); |
| config.set_name_directive(ln, NO_PREFER_DYNAMIC, &mut self.no_prefer_dynamic); |
| config.set_name_directive(ln, PRETTY_EXPANDED, &mut self.pretty_expanded); |
| |
| if let Some(m) = config.parse_name_value_directive(ln, PRETTY_MODE) { |
| self.pretty_mode = m; |
| } |
| |
| config.set_name_directive(ln, PRETTY_COMPARE_ONLY, &mut self.pretty_compare_only); |
| config.push_name_value_directive(ln, AUX_BUILD, &mut self.aux_builds, |r| { |
| r.trim().to_string() |
| }); |
| config.push_name_value_directive( |
| ln, |
| AUX_CRATE, |
| &mut self.aux_crates, |
| Config::parse_aux_crate, |
| ); |
| config.push_name_value_directive( |
| ln, |
| EXEC_ENV, |
| &mut self.exec_env, |
| Config::parse_env, |
| ); |
| config.push_name_value_directive( |
| ln, |
| RUSTC_ENV, |
| &mut self.rustc_env, |
| Config::parse_env, |
| ); |
| config.push_name_value_directive( |
| ln, |
| UNSET_RUSTC_ENV, |
| &mut self.unset_rustc_env, |
| |r| r, |
| ); |
| config.push_name_value_directive(ln, FORBID_OUTPUT, &mut self.forbid_output, |r| r); |
| config.set_name_directive( |
| ln, |
| CHECK_TEST_LINE_NUMBERS_MATCH, |
| &mut self.check_test_line_numbers_match, |
| ); |
| |
| self.update_pass_mode(ln, cfg, config); |
| self.update_fail_mode(ln, config); |
| |
| config.set_name_directive(ln, IGNORE_PASS, &mut self.ignore_pass); |
| |
| 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_name_value_directive(ln, FAILURE_STATUS) |
| .and_then(|code| code.trim().parse::<i32>().ok()) |
| { |
| self.failure_status = code; |
| } |
| |
| config.set_name_directive(ln, RUN_RUSTFIX, &mut self.run_rustfix); |
| config.set_name_directive( |
| ln, |
| RUSTFIX_ONLY_MACHINE_APPLICABLE, |
| &mut self.rustfix_only_machine_applicable, |
| ); |
| config.set_name_value_directive( |
| ln, |
| ASSEMBLY_OUTPUT, |
| &mut self.assembly_output, |
| |r| r.trim().to_string(), |
| ); |
| config.set_name_directive(ln, STDERR_PER_BITWIDTH, &mut self.stderr_per_bitwidth); |
| config.set_name_directive(ln, INCREMENTAL, &mut self.incremental); |
| |
| // Unlike the other `name_value_directive`s this needs to be handled manually, |
| // because it sets a `bool` flag. |
| if let Some(known_bug) = config.parse_name_value_directive(ln, KNOWN_BUG) { |
| let known_bug = known_bug.trim(); |
| if known_bug == "unknown" |
| || known_bug.split(',').all(|issue_ref| { |
| issue_ref |
| .trim() |
| .split_once('#') |
| .filter(|(_, number)| { |
| number.chars().all(|digit| digit.is_numeric()) |
| }) |
| .is_some() |
| }) |
| { |
| self.known_bug = true; |
| } else { |
| panic!( |
| "Invalid known-bug value: {known_bug}\nIt requires comma-separated issue references (`#000` or `chalk#000`) or `known-bug: unknown`." |
| ); |
| } |
| } else if config.parse_name_directive(ln, KNOWN_BUG) { |
| panic!( |
| "Invalid known-bug attribute, requires comma-separated issue references (`#000` or `chalk#000`) or `known-bug: unknown`." |
| ); |
| } |
| |
| config.set_name_value_directive(ln, MIR_UNIT_TEST, &mut self.mir_unit_test, |s| { |
| s.trim().to_string() |
| }); |
| config.set_name_directive(ln, REMAP_SRC_BASE, &mut self.remap_src_base); |
| }); |
| } |
| |
| if self.failure_status == -1 { |
| self.failure_status = 1; |
| } |
| if self.should_ice { |
| self.failure_status = 101; |
| } |
| |
| if config.mode == Mode::Incremental { |
| self.incremental = true; |
| } |
| |
| 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)) |
| } |
| } |
| } |
| |
| if let (Some(edition), false) = (&config.edition, has_edition) { |
| self.compile_flags.push(format!("--edition={}", edition)); |
| } |
| } |
| |
| 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() { |
| if let mode @ Some(_) = config.force_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 |
| } |
| } |
| |
| pub fn line_directive<'line>( |
| comment: &str, |
| ln: &'line str, |
| ) -> Option<(Option<&'line str>, &'line str)> { |
| if ln.starts_with(comment) { |
| let ln = ln[comment.len()..].trim_start(); |
| if ln.starts_with('[') { |
| // A comment like `//[foo]` is specific to revision `foo` |
| if let Some(close_brace) = ln.find(']') { |
| let lncfg = &ln[1..close_brace]; |
| |
| Some((Some(lncfg), ln[(close_brace + 1)..].trim_start())) |
| } else { |
| panic!("malformed condition directive: expected `{}[foo]`, found `{}`", comment, ln) |
| } |
| } else { |
| Some((None, ln)) |
| } |
| } else { |
| None |
| } |
| } |
| |
| fn iter_header<R: Read>(testfile: &Path, rdr: R, it: &mut dyn FnMut(Option<&str>, &str)) { |
| if testfile.is_dir() { |
| return; |
| } |
| |
| let comment = if testfile.extension().map(|e| e == "rs") == Some(true) { "//" } 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 let Some((lncfg, ln)) = line_directive(comment, ln) { |
| it(lncfg, ln); |
| } |
| } |
| } |
| |
| impl Config { |
| fn parse_aux_crate(r: String) -> (String, String) { |
| let mut parts = r.trim().splitn(2, '='); |
| ( |
| parts.next().expect("missing aux-crate name (e.g. log=log.rs)").to_string(), |
| parts.next().expect("missing aux-crate value (e.g. log=log.rs)").to_string(), |
| ) |
| } |
| |
| fn parse_and_update_revisions(&self, line: &str, existing: &mut Vec<String>) { |
| if let Some(raw) = self.parse_name_value_directive(line, "revisions") { |
| let mut duplicates: HashSet<_> = existing.iter().cloned().collect(); |
| for revision in raw.split_whitespace().map(|r| r.to_string()) { |
| if !duplicates.insert(revision.clone()) { |
| panic!("Duplicate revision: `{}` in line `{}`", revision, raw); |
| } |
| existing.push(revision); |
| } |
| } |
| } |
| |
| fn parse_env(nv: String) -> (String, String) { |
| // 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 matches_pointer_width = || { |
| name.strip_suffix("bit") |
| .and_then(|width| width.parse::<u32>().ok()) |
| .map(|width| self.get_pointer_width() == width) |
| .unwrap_or(false) |
| }; |
| |
| // If something is ignored for emscripten, it likely also needs to be |
| // ignored for wasm32-unknown-unknown. |
| // `wasm32-bare` is an alias to refer to just wasm32-unknown-unknown |
| // (in contrast to `wasm32` which also matches non-bare targets like |
| // asmjs-unknown-emscripten). |
| let matches_wasm32_alias = || { |
| self.target == "wasm32-unknown-unknown" && matches!(name, "emscripten" | "wasm32-bare") |
| }; |
| |
| let is_match = name == "test" || |
| self.target == name || // triple |
| self.matches_os(name) || |
| self.matches_env(name) || |
| self.matches_abi(name) || |
| self.matches_family(name) || |
| self.target.ends_with(name) || // target and env |
| self.matches_arch(name) || |
| matches_wasm32_alias() || |
| matches_pointer_width() || |
| name == self.stage_id.split('-').next().unwrap() || // stage |
| name == self.channel || // channel |
| (self.target != self.host && name == "cross-compile") || |
| (name == "endian-big" && self.is_big_endian()) || |
| (self.remote_test_client.is_some() && name == "remote") || |
| match self.compare_mode { |
| Some(CompareMode::Polonius) => name == "compare-mode-polonius", |
| Some(CompareMode::Chalk) => name == "compare-mode-chalk", |
| Some(CompareMode::NextSolver) => name == "compare-mode-next-solver", |
| Some(CompareMode::SplitDwarf) => name == "compare-mode-split-dwarf", |
| Some(CompareMode::SplitDwarfSingle) => name == "compare-mode-split-dwarf-single", |
| 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':')) |
| } |
| |
| fn parse_negative_name_directive(&self, line: &str, directive: &str) -> bool { |
| line.starts_with("no-") && self.parse_name_directive(&line[3..], directive) |
| } |
| |
| 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_edition(&self, line: &str) -> Option<String> { |
| self.parse_name_value_directive(line, "edition") |
| } |
| |
| fn set_name_directive(&self, line: &str, directive: &str, value: &mut bool) { |
| match value { |
| true => { |
| if self.parse_negative_name_directive(line, directive) { |
| *value = false; |
| } |
| } |
| false => { |
| if self.parse_name_directive(line, directive) { |
| *value = true; |
| } |
| } |
| } |
| } |
| |
| fn set_name_value_directive<T>( |
| &self, |
| line: &str, |
| directive: &str, |
| value: &mut Option<T>, |
| parse: impl FnOnce(String) -> T, |
| ) { |
| if value.is_none() { |
| *value = self.parse_name_value_directive(line, directive).map(parse); |
| } |
| } |
| |
| fn push_name_value_directive<T>( |
| &self, |
| line: &str, |
| directive: &str, |
| values: &mut Vec<T>, |
| parse: impl FnOnce(String) -> T, |
| ) { |
| if let Some(value) = self.parse_name_value_directive(line, directive).map(parse) { |
| values.push(value); |
| } |
| } |
| } |
| |
| 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 pat = |c: char| !c.is_ascii_digit() && c != '.'; |
| let version_without_suffix = match version.find(pat) { |
| Some(pos) => &version[..pos], |
| None => version, |
| }; |
| 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) |
| } |
| |
| pub fn extract_llvm_version_from_binary(binary_path: &str) -> Option<u32> { |
| let output = Command::new(binary_path).arg("--version").output().ok()?; |
| if !output.status.success() { |
| return None; |
| } |
| let version = String::from_utf8(output.stdout).ok()?; |
| for line in version.lines() { |
| if let Some(version) = line.split("LLVM version ").skip(1).next() { |
| return extract_llvm_version(version); |
| } |
| } |
| None |
| } |
| |
| /// 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)) |
| } |
| |
| pub fn make_test_description<R: Read>( |
| config: &Config, |
| name: test::TestName, |
| path: &Path, |
| src: R, |
| cfg: Option<&str>, |
| ) -> test::TestDesc { |
| let mut ignore = false; |
| let mut ignore_message = None; |
| let mut should_fail = false; |
| |
| 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_asm_support = config.has_asm_support(); |
| let has_asan = util::ASAN_SUPPORTED_TARGETS.contains(&&*config.target); |
| let has_cfi = util::CFI_SUPPORTED_TARGETS.contains(&&*config.target); |
| let has_kcfi = util::KCFI_SUPPORTED_TARGETS.contains(&&*config.target); |
| let has_kasan = util::KASAN_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); |
| let has_hwasan = util::HWASAN_SUPPORTED_TARGETS.contains(&&*config.target); |
| let has_memtag = util::MEMTAG_SUPPORTED_TARGETS.contains(&&*config.target); |
| let has_shadow_call_stack = util::SHADOWCALLSTACK_SUPPORTED_TARGETS.contains(&&*config.target); |
| let has_xray = util::XRAY_SUPPORTED_TARGETS.contains(&&*config.target); |
| |
| // For tests using the `needs-rust-lld` directive (e.g. for `-Zgcc-ld=lld`), we need to find |
| // whether `rust-lld` is present in the compiler under test. |
| // |
| // The --compile-lib-path is the path to host shared libraries, but depends on the OS. For |
| // example: |
| // - on linux, it can be <sysroot>/lib |
| // - on windows, it can be <sysroot>/bin |
| // |
| // However, `rust-lld` is only located under the lib path, so we look for it there. |
| let has_rust_lld = config |
| .compile_lib_path |
| .parent() |
| .expect("couldn't traverse to the parent of the specified --compile-lib-path") |
| .join("lib") |
| .join("rustlib") |
| .join(&config.target) |
| .join("bin") |
| .join(if config.host.contains("windows") { "rust-lld.exe" } else { "rust-lld" }) |
| .exists(); |
| |
| iter_header(path, src, &mut |revision, ln| { |
| if revision.is_some() && revision != cfg { |
| return; |
| } |
| macro_rules! reason { |
| ($e:expr) => { |
| ignore |= match $e { |
| true => { |
| ignore_message = Some(stringify!($e)); |
| true |
| } |
| false => ignore, |
| } |
| }; |
| } |
| ignore = match config.parse_cfg_name_directive(ln, "ignore") { |
| ParsedNameDirective::Match => { |
| ignore_message = Some("cfg -> ignore => Match"); |
| true |
| } |
| ParsedNameDirective::NoMatch => ignore, |
| }; |
| |
| if config.has_cfg_prefix(ln, "only") { |
| ignore = match config.parse_cfg_name_directive(ln, "only") { |
| ParsedNameDirective::Match => ignore, |
| ParsedNameDirective::NoMatch => { |
| ignore_message = Some("cfg -> only => NoMatch"); |
| true |
| } |
| }; |
| } |
| |
| reason!(ignore_llvm(config, ln)); |
| reason!( |
| config.run_clang_based_tests_with.is_none() && config.parse_needs_matching_clang(ln) |
| ); |
| reason!(!has_asm_support && config.parse_name_directive(ln, "needs-asm-support")); |
| reason!(!rustc_has_profiler_support && config.parse_needs_profiler_support(ln)); |
| reason!(!config.run_enabled() && config.parse_name_directive(ln, "needs-run-enabled")); |
| reason!( |
| !rustc_has_sanitizer_support |
| && config.parse_name_directive(ln, "needs-sanitizer-support") |
| ); |
| reason!(!has_asan && config.parse_name_directive(ln, "needs-sanitizer-address")); |
| reason!(!has_cfi && config.parse_name_directive(ln, "needs-sanitizer-cfi")); |
| reason!(!has_kcfi && config.parse_name_directive(ln, "needs-sanitizer-kcfi")); |
| reason!(!has_kasan && config.parse_name_directive(ln, "needs-sanitizer-kasan")); |
| reason!(!has_lsan && config.parse_name_directive(ln, "needs-sanitizer-leak")); |
| reason!(!has_msan && config.parse_name_directive(ln, "needs-sanitizer-memory")); |
| reason!(!has_tsan && config.parse_name_directive(ln, "needs-sanitizer-thread")); |
| reason!(!has_hwasan && config.parse_name_directive(ln, "needs-sanitizer-hwaddress")); |
| reason!(!has_memtag && config.parse_name_directive(ln, "needs-sanitizer-memtag")); |
| reason!( |
| !has_shadow_call_stack |
| && config.parse_name_directive(ln, "needs-sanitizer-shadow-call-stack") |
| ); |
| reason!(!config.can_unwind() && config.parse_name_directive(ln, "needs-unwind")); |
| reason!(!has_xray && config.parse_name_directive(ln, "needs-xray")); |
| reason!( |
| config.target == "wasm32-unknown-unknown" |
| && config.parse_name_directive(ln, directives::CHECK_RUN_RESULTS) |
| ); |
| reason!(config.debugger == Some(Debugger::Cdb) && ignore_cdb(config, ln)); |
| reason!(config.debugger == Some(Debugger::Gdb) && ignore_gdb(config, ln)); |
| reason!(config.debugger == Some(Debugger::Lldb) && ignore_lldb(config, ln)); |
| reason!(!has_rust_lld && config.parse_name_directive(ln, "needs-rust-lld")); |
| should_fail |= config.parse_name_directive(ln, "should-fail"); |
| }); |
| |
| // The `should-fail` annotation doesn't apply to pretty tests, |
| // since we run the pretty printer across all tests by default. |
| // If desired, we could add a `should-fail-pretty` annotation. |
| let should_panic = match config.mode { |
| crate::common::Pretty => test::ShouldPanic::No, |
| _ if should_fail => test::ShouldPanic::Yes, |
| _ => test::ShouldPanic::No, |
| }; |
| |
| test::TestDesc { |
| name, |
| ignore, |
| ignore_message, |
| should_panic, |
| compile_fail: false, |
| no_run: false, |
| test_type: test::TestType::Unknown, |
| } |
| } |
| |
| 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 let Some(missing_component) = needed_components |
| .split_whitespace() |
| .find(|needed_component| !components.contains(needed_component)) |
| { |
| if env::var_os("COMPILETEST_NEEDS_ALL_LLVM_COMPONENTS").is_some() { |
| panic!("missing LLVM component: {}", missing_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 |
| } |
| } |
