| use std::env; |
| use std::fs::File; |
| use std::io::prelude::*; |
| use std::io::BufReader; |
| use std::path::{Path, PathBuf}; |
| |
| use crate::common::{self, CompareMode, Config, Mode}; |
| use crate::util; |
| |
| use crate::extract_gdb_version; |
| |
| /// Whether to ignore the test. |
| #[derive(Clone, Copy, PartialEq, Debug)] |
| pub enum Ignore { |
| /// Runs it. |
| Run, |
| /// Ignore it totally. |
| Ignore, |
| /// Ignore only the gdb test, but run the lldb test. |
| IgnoreGdb, |
| /// Ignore only the lldb test, but run the gdb test. |
| IgnoreLldb, |
| } |
| |
| impl Ignore { |
| pub fn can_run_gdb(&self) -> bool { |
| *self == Ignore::Run || *self == Ignore::IgnoreLldb |
| } |
| |
| pub fn can_run_lldb(&self) -> bool { |
| *self == Ignore::Run || *self == Ignore::IgnoreGdb |
| } |
| |
| pub fn no_gdb(&self) -> Ignore { |
| match *self { |
| Ignore::Run => Ignore::IgnoreGdb, |
| Ignore::IgnoreGdb => Ignore::IgnoreGdb, |
| _ => Ignore::Ignore, |
| } |
| } |
| |
| pub fn no_lldb(&self) -> Ignore { |
| match *self { |
| Ignore::Run => Ignore::IgnoreLldb, |
| Ignore::IgnoreLldb => Ignore::IgnoreLldb, |
| _ => Ignore::Ignore, |
| } |
| } |
| } |
| |
| /// The result of parse_cfg_name_directive. |
| #[derive(Clone, Copy, PartialEq, Debug)] |
| enum ParsedNameDirective { |
| /// No match. |
| NoMatch, |
| /// Match. |
| Match, |
| /// Mode was DebugInfoBoth and this matched gdb. |
| MatchGdb, |
| /// Mode was DebugInfoBoth and this matched lldb. |
| MatchLldb, |
| } |
| |
| /// Properties which must be known very early, before actually running |
| /// the test. |
| pub struct EarlyProps { |
| pub ignore: Ignore, |
| pub should_fail: bool, |
| pub aux: Vec<String>, |
| pub revisions: Vec<String>, |
| } |
| |
| impl EarlyProps { |
| pub fn from_file(config: &Config, testfile: &Path) -> Self { |
| let mut props = EarlyProps { |
| ignore: Ignore::Run, |
| should_fail: false, |
| aux: Vec::new(), |
| revisions: vec![], |
| }; |
| |
| if config.mode == common::DebugInfoBoth { |
| if config.lldb_python_dir.is_none() { |
| props.ignore = props.ignore.no_lldb(); |
| } |
| if config.gdb_version.is_none() { |
| props.ignore = props.ignore.no_gdb(); |
| } |
| } |
| |
| iter_header(testfile, None, &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 != Ignore::Ignore { |
| props.ignore = match config.parse_cfg_name_directive(ln, "ignore") { |
| ParsedNameDirective::Match => Ignore::Ignore, |
| ParsedNameDirective::NoMatch => props.ignore, |
| ParsedNameDirective::MatchGdb => props.ignore.no_gdb(), |
| ParsedNameDirective::MatchLldb => props.ignore.no_lldb(), |
| }; |
| |
| if config.has_cfg_prefix(ln, "only") { |
| props.ignore = match config.parse_cfg_name_directive(ln, "only") { |
| ParsedNameDirective::Match => props.ignore, |
| ParsedNameDirective::NoMatch => Ignore::Ignore, |
| ParsedNameDirective::MatchLldb => props.ignore.no_gdb(), |
| ParsedNameDirective::MatchGdb => props.ignore.no_lldb(), |
| }; |
| } |
| |
| if ignore_llvm(config, ln) { |
| props.ignore = Ignore::Ignore; |
| } |
| |
| if config.run_clang_based_tests_with.is_none() && |
| config.parse_needs_matching_clang(ln) { |
| props.ignore = Ignore::Ignore; |
| } |
| } |
| |
| if (config.mode == common::DebugInfoGdb || config.mode == common::DebugInfoBoth) && |
| props.ignore.can_run_gdb() && ignore_gdb(config, ln) { |
| props.ignore = props.ignore.no_gdb(); |
| } |
| |
| if (config.mode == common::DebugInfoLldb || config.mode == common::DebugInfoBoth) && |
| props.ignore.can_run_lldb() && ignore_lldb(config, ln) { |
| props.ignore = props.ignore.no_lldb(); |
| } |
| |
| if let Some(s) = config.parse_aux_build(ln) { |
| props.aux.push(s); |
| } |
| |
| 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_gdb(config: &Config, line: &str) -> bool { |
| if let Some(actual_version) = config.gdb_version { |
| if line.starts_with("min-gdb-version") { |
| let (start_ver, end_ver) = extract_gdb_version_range(line); |
| |
| if start_ver != end_ver { |
| panic!("Expected single GDB version") |
| } |
| // Ignore if actual version is smaller the minimum required |
| // version |
| actual_version < start_ver |
| } else if line.starts_with("ignore-gdb-version") { |
| let (min_version, max_version) = extract_gdb_version_range(line); |
| |
| if max_version < min_version { |
| panic!("Malformed GDB version range: max < min") |
| } |
| |
| actual_version >= min_version && actual_version <= max_version |
| } else { |
| false |
| } |
| } else { |
| false |
| } |
| } |
| |
| // Takes a directive of the form "ignore-gdb-version <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_gdb_version_range(line: &str) -> (u32, u32) { |
| const ERROR_MESSAGE: &'static str = "Malformed GDB version directive"; |
| |
| let range_components = line.split(&[' ', '-'][..]) |
| .filter(|word| !word.is_empty()) |
| .map(extract_gdb_version) |
| .skip_while(Option::is_none) |
| .take(3) // 3 or more = invalid, so take at most 3. |
| .collect::<Vec<Option<u32>>>(); |
| |
| match range_components.len() { |
| 1 => { |
| let v = range_components[0].unwrap(); |
| (v, v) |
| } |
| 2 => { |
| let v_min = range_components[0].unwrap(); |
| let v_max = range_components[1].expect(ERROR_MESSAGE); |
| (v_min, v_max) |
| } |
| _ => panic!(ERROR_MESSAGE), |
| } |
| } |
| |
| fn ignore_lldb(config: &Config, line: &str) -> bool { |
| if let Some(ref actual_version) = config.lldb_version { |
| if line.starts_with("min-lldb-version") { |
| let min_version = line.trim_end() |
| .rsplit(' ') |
| .next() |
| .expect("Malformed lldb version directive"); |
| // Ignore if actual version is smaller the minimum required |
| // version |
| lldb_version_to_int(actual_version) < lldb_version_to_int(min_version) |
| } else if line.starts_with("rust-lldb") && !config.lldb_native_rust { |
| true |
| } else { |
| false |
| } |
| } 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(ref actual_version) = config.llvm_version { |
| if line.starts_with("min-llvm-version") { |
| let min_version = line.trim_end() |
| .rsplit(' ') |
| .next() |
| .expect("Malformed llvm version directive"); |
| // Ignore if actual version is smaller the minimum required |
| // version |
| &actual_version[..] < min_version |
| } else if line.starts_with("min-system-llvm-version") { |
| let min_version = line.trim_end() |
| .rsplit(' ') |
| .next() |
| .expect("Malformed llvm version directive"); |
| // Ignore if using system LLVM and actual version |
| // is smaller the minimum required version |
| config.system_llvm && &actual_version[..] < min_version |
| } else if line.starts_with("ignore-llvm-version") { |
| // Syntax is: "ignore-llvm-version <version1> [- <version2>]" |
| let range_components = line.split(' ') |
| .skip(1) // Skip the directive. |
| .map(|s| s.trim()) |
| .filter(|word| !word.is_empty() && word != &"-") |
| .take(3) // 3 or more = invalid, so take at most 3. |
| .collect::<Vec<&str>>(); |
| match range_components.len() { |
| 1 => { |
| &actual_version[..] == range_components[0] |
| } |
| 2 => { |
| let v_min = range_components[0]; |
| let v_max = range_components[1]; |
| 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 |
| } |
| _ => panic!("Malformed LLVM version directive"), |
| } |
| } 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>, |
| // Environment settings to use for compiling |
| pub rustc_env: Vec<(String, 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, |
| // 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 |
| 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>, |
| // Specifies that a test must actually compile without errors. |
| pub compile_pass: bool, |
| // rustdoc will test the output of the `--test` option |
| pub check_test_line_numbers_match: bool, |
| // The test must be compiled and run successfully. Only used in UI tests for now. |
| pub run_pass: bool, |
| // Skip any codegen step and running the executable. Only for run-pass. |
| pub skip_codegen: bool, |
| // Do not pass `-Z ui-testing` to UI tests |
| pub disable_ui_testing_normalization: bool, |
| // customized normalization rules |
| pub normalize_stdout: Vec<(String, String)>, |
| pub normalize_stderr: Vec<(String, String)>, |
| pub failure_status: i32, |
| pub run_rustfix: bool, |
| pub rustfix_only_machine_applicable: bool, |
| } |
| |
| impl TestProps { |
| pub fn new() -> Self { |
| TestProps { |
| error_patterns: vec![], |
| compile_flags: vec![], |
| run_flags: None, |
| pp_exact: None, |
| aux_builds: vec![], |
| revisions: vec![], |
| rustc_env: vec![], |
| exec_env: vec![], |
| check_lines: vec![], |
| build_aux_docs: false, |
| force_host: false, |
| check_stdout: 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, |
| compile_pass: false, |
| check_test_line_numbers_match: false, |
| run_pass: false, |
| skip_codegen: false, |
| disable_ui_testing_normalization: false, |
| normalize_stdout: vec![], |
| normalize_stderr: vec![], |
| failure_status: -1, |
| run_rustfix: false, |
| rustfix_only_machine_applicable: 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); |
| 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) { |
| iter_header(testfile, cfg, &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.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.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(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(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); |
| } |
| |
| if !self.run_pass { |
| self.run_pass = config.parse_run_pass(ln); |
| } |
| |
| if !self.compile_pass { |
| // run-pass implies must_compile_successfully |
| self.compile_pass = config.parse_compile_pass(ln) || self.run_pass; |
| } |
| |
| if !self.skip_codegen { |
| self.skip_codegen = config.parse_skip_codegen(ln); |
| } |
| |
| if !self.disable_ui_testing_normalization { |
| self.disable_ui_testing_normalization = |
| config.parse_disable_ui_testing_normalization(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.failure_status == -1 { |
| self.failure_status = match config.mode { |
| Mode::RunFail => 101, |
| _ => 1, |
| }; |
| } |
| |
| 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 iter_header(testfile: &Path, cfg: Option<&str>, it: &mut dyn FnMut(&str)) { |
| if testfile.is_dir() { |
| return; |
| } |
| |
| let comment = if testfile.to_string_lossy().ends_with(".rs") { |
| "//" |
| } else { |
| "#" |
| }; |
| |
| // FIXME: would be nice to allow some whitespace between comment and brace :) |
| // It took me like 2 days to debug why compile-flags weren’t taken into account for my test :) |
| let comment_with_brace = comment.to_string() + "["; |
| |
| let rdr = BufReader::new(File::open(testfile).unwrap()); |
| for ln in rdr.lines() { |
| // 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.unwrap(); |
| let ln = ln.trim(); |
| if ln.starts_with("fn") || ln.starts_with("mod") { |
| return; |
| } else if ln.starts_with(&comment_with_brace) { |
| // 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_with_brace, ln) |
| } |
| } else if ln.starts_with(comment) { |
| it(ln[comment.len() ..].trim_start()); |
| } |
| } |
| return; |
| } |
| |
| impl Config { |
| 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") |
| } |
| |
| 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_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_compile_pass(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "compile-pass") |
| } |
| |
| fn parse_disable_ui_testing_normalization(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "disable-ui-testing-normalization") |
| } |
| |
| fn parse_check_test_line_numbers_match(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "check-test-line-numbers-match") |
| } |
| |
| fn parse_run_pass(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "run-pass") |
| } |
| |
| fn parse_skip_codegen(&self, line: &str) -> bool { |
| self.parse_name_directive(line, "skip-codegen") |
| } |
| |
| 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") |
| } |
| |
| /// 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.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') { |
| let name = line[prefix.len() + 1..] |
| .split(&[':', ' '][..]) |
| .next() |
| .unwrap(); |
| |
| if name == "test" || |
| util::matches_os(&self.target, name) || // target |
| name == util::get_arch(&self.target) || // architecture |
| name == util::get_pointer_width(&self.target) || // pointer width |
| name == self.stage_id.split('-').next().unwrap() || // stage |
| Some(name) == util::get_env(&self.target) || // env |
| (self.target != self.host && name == "cross-compile") || |
| match self.compare_mode { |
| Some(CompareMode::Nll) => name == "compare-mode-nll", |
| Some(CompareMode::Polonius) => name == "compare-mode-polonius", |
| None => false, |
| } || |
| (cfg!(debug_assertions) && name == "debug") { |
| ParsedNameDirective::Match |
| } else { |
| match self.mode { |
| common::DebugInfoBoth => { |
| if name == "gdb" { |
| ParsedNameDirective::MatchGdb |
| } else if name == "lldb" { |
| ParsedNameDirective::MatchLldb |
| } else { |
| ParsedNameDirective::NoMatch |
| } |
| }, |
| common::DebugInfoGdb => if name == "gdb" { |
| ParsedNameDirective::Match |
| } else { |
| ParsedNameDirective::NoMatch |
| }, |
| common::DebugInfoLldb => if name == "lldb" { |
| ParsedNameDirective::Match |
| } else { |
| ParsedNameDirective::NoMatch |
| }, |
| common::Pretty => if name == "pretty" { |
| ParsedNameDirective::Match |
| } else { |
| ParsedNameDirective::NoMatch |
| }, |
| _ => ParsedNameDirective::NoMatch, |
| } |
| } |
| } 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) && match line.as_bytes().get(directive.len()) { |
| None | Some(&b' ') | Some(&b':') => true, |
| _ => false, |
| } |
| } |
| |
| 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") |
| } |
| } |
| |
| pub fn lldb_version_to_int(version_string: &str) -> isize { |
| let error_string = format!( |
| "Encountered LLDB version string with unexpected format: {}", |
| version_string |
| ); |
| version_string.parse().expect(&error_string) |
| } |
| |
| fn expand_variables(mut value: String, config: &Config) -> String { |
| const CWD: &'static str = "{{cwd}}"; |
| const SRC_BASE: &'static str = "{{src-base}}"; |
| const BUILD_BASE: &'static 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) |
| } |
| |
| #[test] |
| fn test_parse_normalization_string() { |
| 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)\"."); |
| |
| // Nothing to normalize (No quotes) |
| let mut s = "normalize-stderr-32bit: something (32 bits) -> something ($WORD bits)."; |
| let first = parse_normalization_string(&mut s); |
| assert_eq!(first, None); |
| assert_eq!(s, r#"normalize-stderr-32bit: something (32 bits) -> something ($WORD bits)."#); |
| |
| // Nothing to normalize (Only a single quote) |
| let mut s = "normalize-stderr-32bit: \"something (32 bits) -> something ($WORD bits)."; |
| let first = parse_normalization_string(&mut s); |
| assert_eq!(first, None); |
| assert_eq!(s, "normalize-stderr-32bit: \"something (32 bits) -> something ($WORD bits)."); |
| |
| // Nothing to normalize (Three quotes) |
| 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)."); |
| } |
