3 use std
::io
::prelude
::*;
4 use std
::io
::BufReader
;
5 use std
::path
::{Path, PathBuf}
;
9 use crate::common
::{self, CompareMode, Config, Mode, PassMode}
;
11 use crate::extract_gdb_version
;
16 /// Whether to ignore the test.
17 #[derive(Clone, Copy, PartialEq, Debug)]
21 /// Ignore it totally.
23 /// Ignore only the gdb test, but run the lldb test.
25 /// Ignore only the lldb test, but run the gdb test.
30 pub fn can_run_gdb(&self) -> bool
{
31 *self == Ignore
::Run
|| *self == Ignore
::IgnoreLldb
34 pub fn can_run_lldb(&self) -> bool
{
35 *self == Ignore
::Run
|| *self == Ignore
::IgnoreGdb
38 pub fn no_gdb(&self) -> Ignore
{
40 Ignore
::Run
=> Ignore
::IgnoreGdb
,
41 Ignore
::IgnoreGdb
=> Ignore
::IgnoreGdb
,
46 pub fn no_lldb(&self) -> Ignore
{
48 Ignore
::Run
=> Ignore
::IgnoreLldb
,
49 Ignore
::IgnoreLldb
=> Ignore
::IgnoreLldb
,
55 /// The result of parse_cfg_name_directive.
56 #[derive(Clone, Copy, PartialEq, Debug)]
57 enum ParsedNameDirective
{
62 /// Mode was DebugInfoGdbLldb and this matched gdb.
64 /// Mode was DebugInfoGdbLldb and this matched lldb.
68 /// Properties which must be known very early, before actually running
70 pub struct EarlyProps
{
72 pub should_fail
: bool
,
74 pub revisions
: Vec
<String
>,
78 pub fn from_file(config
: &Config
, testfile
: &Path
) -> Self {
79 let mut props
= EarlyProps
{
86 if config
.mode
== common
::DebugInfoGdbLldb
{
87 if config
.lldb_python_dir
.is_none() {
88 props
.ignore
= props
.ignore
.no_lldb();
90 if config
.gdb_version
.is_none() {
91 props
.ignore
= props
.ignore
.no_gdb();
93 } else if config
.mode
== common
::DebugInfoCdb
{
94 if config
.cdb
.is_none() {
95 props
.ignore
= Ignore
::Ignore
;
99 let rustc_has_profiler_support
= env
::var_os("RUSTC_PROFILER_SUPPORT").is_some();
100 let rustc_has_sanitizer_support
= env
::var_os("RUSTC_SANITIZER_SUPPORT").is_some();
102 iter_header(testfile
, None
, &mut |ln
| {
103 // we should check if any only-<platform> exists and if it exists
104 // and does not matches the current platform, skip the test
105 if props
.ignore
!= Ignore
::Ignore
{
106 props
.ignore
= match config
.parse_cfg_name_directive(ln
, "ignore") {
107 ParsedNameDirective
::Match
=> Ignore
::Ignore
,
108 ParsedNameDirective
::NoMatch
=> props
.ignore
,
109 ParsedNameDirective
::MatchGdb
=> props
.ignore
.no_gdb(),
110 ParsedNameDirective
::MatchLldb
=> props
.ignore
.no_lldb(),
113 if config
.has_cfg_prefix(ln
, "only") {
114 props
.ignore
= match config
.parse_cfg_name_directive(ln
, "only") {
115 ParsedNameDirective
::Match
=> props
.ignore
,
116 ParsedNameDirective
::NoMatch
=> Ignore
::Ignore
,
117 ParsedNameDirective
::MatchLldb
=> props
.ignore
.no_gdb(),
118 ParsedNameDirective
::MatchGdb
=> props
.ignore
.no_lldb(),
122 if ignore_llvm(config
, ln
) {
123 props
.ignore
= Ignore
::Ignore
;
126 if config
.run_clang_based_tests_with
.is_none() &&
127 config
.parse_needs_matching_clang(ln
) {
128 props
.ignore
= Ignore
::Ignore
;
131 if !rustc_has_profiler_support
&&
132 config
.parse_needs_profiler_support(ln
) {
133 props
.ignore
= Ignore
::Ignore
;
136 if !rustc_has_sanitizer_support
&&
137 config
.parse_needs_sanitizer_support(ln
) {
138 props
.ignore
= Ignore
::Ignore
;
141 if config
.target
== "wasm32-unknown-unknown" && config
.parse_check_run_results(ln
) {
142 props
.ignore
= Ignore
::Ignore
;
146 if (config
.mode
== common
::DebugInfoGdb
|| config
.mode
== common
::DebugInfoGdbLldb
) &&
147 props
.ignore
.can_run_gdb() && ignore_gdb(config
, ln
) {
148 props
.ignore
= props
.ignore
.no_gdb();
151 if (config
.mode
== common
::DebugInfoLldb
|| config
.mode
== common
::DebugInfoGdbLldb
) &&
152 props
.ignore
.can_run_lldb() && ignore_lldb(config
, ln
) {
153 props
.ignore
= props
.ignore
.no_lldb();
156 if let Some(s
) = config
.parse_aux_build(ln
) {
160 if let Some(r
) = config
.parse_revisions(ln
) {
161 props
.revisions
.extend(r
);
164 props
.should_fail
= props
.should_fail
|| config
.parse_name_directive(ln
, "should-fail");
169 fn ignore_gdb(config
: &Config
, line
: &str) -> bool
{
170 if let Some(actual_version
) = config
.gdb_version
{
171 if line
.starts_with("min-gdb-version") {
172 let (start_ver
, end_ver
) = extract_gdb_version_range(line
);
174 if start_ver
!= end_ver
{
175 panic
!("Expected single GDB version")
177 // Ignore if actual version is smaller the minimum required
179 actual_version
< start_ver
180 } else if line
.starts_with("ignore-gdb-version") {
181 let (min_version
, max_version
) = extract_gdb_version_range(line
);
183 if max_version
< min_version
{
184 panic
!("Malformed GDB version range: max < min")
187 actual_version
>= min_version
&& actual_version
<= max_version
196 // Takes a directive of the form "ignore-gdb-version <version1> [- <version2>]",
197 // returns the numeric representation of <version1> and <version2> as
198 // tuple: (<version1> as u32, <version2> as u32)
199 // If the <version2> part is omitted, the second component of the tuple
200 // is the same as <version1>.
201 fn extract_gdb_version_range(line
: &str) -> (u32, u32) {
202 const ERROR_MESSAGE
: &'
static str = "Malformed GDB version directive";
204 let range_components
= line
.split(&[' '
, '
-'
][..])
205 .filter(|word
| !word
.is_empty())
206 .map(extract_gdb_version
)
207 .skip_while(Option
::is_none
)
208 .take(3) // 3 or more = invalid, so take at most 3.
209 .collect
::<Vec
<Option
<u32>>>();
211 match range_components
.len() {
213 let v
= range_components
[0].unwrap();
217 let v_min
= range_components
[0].unwrap();
218 let v_max
= range_components
[1].expect(ERROR_MESSAGE
);
221 _
=> panic
!(ERROR_MESSAGE
),
225 fn ignore_lldb(config
: &Config
, line
: &str) -> bool
{
226 if let Some(ref actual_version
) = config
.lldb_version
{
227 if line
.starts_with("min-lldb-version") {
228 let min_version
= line
.trim_end()
231 .expect("Malformed lldb version directive");
232 // Ignore if actual version is smaller the minimum required
234 lldb_version_to_int(actual_version
) < lldb_version_to_int(min_version
)
235 } else if line
.starts_with("rust-lldb") && !config
.lldb_native_rust
{
245 fn ignore_llvm(config
: &Config
, line
: &str) -> bool
{
246 if config
.system_llvm
&& line
.starts_with("no-system-llvm") {
249 if let Some(ref actual_version
) = config
.llvm_version
{
250 if line
.starts_with("min-llvm-version") {
251 let min_version
= line
.trim_end()
254 .expect("Malformed llvm version directive");
255 // Ignore if actual version is smaller the minimum required
257 &actual_version
[..] < min_version
258 } else if line
.starts_with("min-system-llvm-version") {
259 let min_version
= line
.trim_end()
262 .expect("Malformed llvm version directive");
263 // Ignore if using system LLVM and actual version
264 // is smaller the minimum required version
265 config
.system_llvm
&& &actual_version
[..] < min_version
266 } else if line
.starts_with("ignore-llvm-version") {
267 // Syntax is: "ignore-llvm-version <version1> [- <version2>]"
268 let range_components
= line
.split(' '
)
269 .skip(1) // Skip the directive.
271 .filter(|word
| !word
.is_empty() && word
!= &"-")
272 .take(3) // 3 or more = invalid, so take at most 3.
273 .collect
::<Vec
<&str>>();
274 match range_components
.len() {
276 &actual_version
[..] == range_components
[0]
279 let v_min
= range_components
[0];
280 let v_max
= range_components
[1];
282 panic
!("Malformed LLVM version range: max < min")
284 // Ignore if version lies inside of range.
285 &actual_version
[..] >= v_min
&& &actual_version
[..] <= v_max
287 _
=> panic
!("Malformed LLVM version directive"),
299 #[derive(Clone, Debug)]
300 pub struct TestProps
{
301 // Lines that should be expected, in order, on standard out
302 pub error_patterns
: Vec
<String
>,
303 // Extra flags to pass to the compiler
304 pub compile_flags
: Vec
<String
>,
305 // Extra flags to pass when the compiled code is run (such as --bench)
306 pub run_flags
: Option
<String
>,
307 // If present, the name of a file that this test should match when
309 pub pp_exact
: Option
<PathBuf
>,
310 // Other crates that should be compiled (typically from the same
311 // directory as the test, but for backwards compatibility reasons
312 // we also check the auxiliary directory)
313 pub aux_builds
: Vec
<String
>,
314 // A list of crates to pass '--extern-private name:PATH' flags for
315 // This should be a subset of 'aux_build'
316 // FIXME: Replace this with a better solution: https://github.com/rust-lang/rust/pull/54020
317 pub extern_private
: Vec
<String
>,
318 // Environment settings to use for compiling
319 pub rustc_env
: Vec
<(String
, String
)>,
320 // Environment variables to unset prior to compiling.
321 // Variables are unset before applying 'rustc_env'.
322 pub unset_rustc_env
: Vec
<String
>,
323 // Environment settings to use during execution
324 pub exec_env
: Vec
<(String
, String
)>,
325 // Lines to check if they appear in the expected debugger output
326 pub check_lines
: Vec
<String
>,
327 // Build documentation for all specified aux-builds as well
328 pub build_aux_docs
: bool
,
329 // Flag to force a crate to be built with the host architecture
330 pub force_host
: bool
,
331 // Check stdout for error-pattern output as well as stderr
332 pub check_stdout
: bool
,
333 // Check stdout & stderr for output of run-pass test
334 pub check_run_results
: bool
,
335 // For UI tests, allows compiler to generate arbitrary output to stdout
336 pub dont_check_compiler_stdout
: bool
,
337 // For UI tests, allows compiler to generate arbitrary output to stderr
338 pub dont_check_compiler_stderr
: bool
,
339 // Don't force a --crate-type=dylib flag on the command line
341 // Set this for example if you have an auxiliary test file that contains
342 // a proc-macro and needs `#![crate_type = "proc-macro"]`. This ensures
343 // that the aux file is compiled as a `proc-macro` and not as a `dylib`.
344 pub no_prefer_dynamic
: bool
,
345 // Run --pretty expanded when running pretty printing tests
346 pub pretty_expanded
: bool
,
347 // Which pretty mode are we testing with, default to 'normal'
348 pub pretty_mode
: String
,
349 // Only compare pretty output and don't try compiling
350 pub pretty_compare_only
: bool
,
351 // Patterns which must not appear in the output of a cfail test.
352 pub forbid_output
: Vec
<String
>,
353 // Revisions to test for incremental compilation.
354 pub revisions
: Vec
<String
>,
355 // Directory (if any) to use for incremental compilation. This is
356 // not set by end-users; rather it is set by the incremental
357 // testing harness and used when generating compilation
358 // arguments. (In particular, it propagates to the aux-builds.)
359 pub incremental_dir
: Option
<PathBuf
>,
360 // How far should the test proceed while still passing.
361 pass_mode
: Option
<PassMode
>,
362 // Ignore `--pass` overrides from the command line for this test.
364 // rustdoc will test the output of the `--test` option
365 pub check_test_line_numbers_match
: bool
,
366 // Do not pass `-Z ui-testing` to UI tests
367 pub disable_ui_testing_normalization
: bool
,
368 // customized normalization rules
369 pub normalize_stdout
: Vec
<(String
, String
)>,
370 pub normalize_stderr
: Vec
<(String
, String
)>,
371 pub failure_status
: i32,
372 // Whether or not `rustfix` should apply the `CodeSuggestion`s of this test and compile the
373 // resulting Rust code.
374 pub run_rustfix
: bool
,
375 // If true, `rustfix` will only apply `MachineApplicable` suggestions.
376 pub rustfix_only_machine_applicable
: bool
,
377 pub assembly_output
: Option
<String
>,
381 pub fn new() -> Self {
383 error_patterns
: vec
![],
384 compile_flags
: vec
![],
388 extern_private
: vec
![],
391 unset_rustc_env
: vec
![],
394 build_aux_docs
: false,
397 check_run_results
: false,
398 dont_check_compiler_stdout
: false,
399 dont_check_compiler_stderr
: false,
400 no_prefer_dynamic
: false,
401 pretty_expanded
: false,
402 pretty_mode
: "normal".to_string(),
403 pretty_compare_only
: false,
404 forbid_output
: vec
![],
405 incremental_dir
: None
,
408 check_test_line_numbers_match
: false,
409 disable_ui_testing_normalization
: false,
410 normalize_stdout
: vec
![],
411 normalize_stderr
: vec
![],
414 rustfix_only_machine_applicable
: false,
415 assembly_output
: None
,
419 pub fn from_aux_file(&self, testfile
: &Path
, cfg
: Option
<&str>, config
: &Config
) -> Self {
420 let mut props
= TestProps
::new();
422 // copy over select properties to the aux build:
423 props
.incremental_dir
= self.incremental_dir
.clone();
424 props
.load_from(testfile
, cfg
, config
);
429 pub fn from_file(testfile
: &Path
, cfg
: Option
<&str>, config
: &Config
) -> Self {
430 let mut props
= TestProps
::new();
431 props
.load_from(testfile
, cfg
, config
);
435 /// Loads properties from `testfile` into `props`. If a property is
436 /// tied to a particular revision `foo` (indicated by writing
437 /// `//[foo]`), then the property is ignored unless `cfg` is
439 fn load_from(&mut self, testfile
: &Path
, cfg
: Option
<&str>, config
: &Config
) {
440 iter_header(testfile
, cfg
, &mut |ln
| {
441 if let Some(ep
) = config
.parse_error_pattern(ln
) {
442 self.error_patterns
.push(ep
);
445 if let Some(flags
) = config
.parse_compile_flags(ln
) {
447 .extend(flags
.split_whitespace().map(|s
| s
.to_owned()));
450 if let Some(edition
) = config
.parse_edition(ln
) {
451 self.compile_flags
.push(format
!("--edition={}", edition
));
454 if let Some(r
) = config
.parse_revisions(ln
) {
455 self.revisions
.extend(r
);
458 if self.run_flags
.is_none() {
459 self.run_flags
= config
.parse_run_flags(ln
);
462 if self.pp_exact
.is_none() {
463 self.pp_exact
= config
.parse_pp_exact(ln
, testfile
);
466 if !self.build_aux_docs
{
467 self.build_aux_docs
= config
.parse_build_aux_docs(ln
);
470 if !self.force_host
{
471 self.force_host
= config
.parse_force_host(ln
);
474 if !self.check_stdout
{
475 self.check_stdout
= config
.parse_check_stdout(ln
);
478 if !self.check_run_results
{
479 self.check_run_results
= config
.parse_check_run_results(ln
);
482 if !self.dont_check_compiler_stdout
{
483 self.dont_check_compiler_stdout
= config
.parse_dont_check_compiler_stdout(ln
);
486 if !self.dont_check_compiler_stderr
{
487 self.dont_check_compiler_stderr
= config
.parse_dont_check_compiler_stderr(ln
);
490 if !self.no_prefer_dynamic
{
491 self.no_prefer_dynamic
= config
.parse_no_prefer_dynamic(ln
);
494 if !self.pretty_expanded
{
495 self.pretty_expanded
= config
.parse_pretty_expanded(ln
);
498 if let Some(m
) = config
.parse_pretty_mode(ln
) {
499 self.pretty_mode
= m
;
502 if !self.pretty_compare_only
{
503 self.pretty_compare_only
= config
.parse_pretty_compare_only(ln
);
506 if let Some(ab
) = config
.parse_aux_build(ln
) {
507 self.aux_builds
.push(ab
);
510 if let Some(ep
) = config
.parse_extern_private(ln
) {
511 self.extern_private
.push(ep
);
514 if let Some(ee
) = config
.parse_env(ln
, "exec-env") {
515 self.exec_env
.push(ee
);
518 if let Some(ee
) = config
.parse_env(ln
, "rustc-env") {
519 self.rustc_env
.push(ee
);
522 if let Some(ev
) = config
.parse_name_value_directive(ln
, "unset-rustc-env") {
523 self.unset_rustc_env
.push(ev
);
526 if let Some(cl
) = config
.parse_check_line(ln
) {
527 self.check_lines
.push(cl
);
530 if let Some(of
) = config
.parse_forbid_output(ln
) {
531 self.forbid_output
.push(of
);
534 if !self.check_test_line_numbers_match
{
535 self.check_test_line_numbers_match
= config
.parse_check_test_line_numbers_match(ln
);
538 self.update_pass_mode(ln
, cfg
, config
);
540 if !self.ignore_pass
{
541 self.ignore_pass
= config
.parse_ignore_pass(ln
);
544 if !self.disable_ui_testing_normalization
{
545 self.disable_ui_testing_normalization
=
546 config
.parse_disable_ui_testing_normalization(ln
);
549 if let Some(rule
) = config
.parse_custom_normalization(ln
, "normalize-stdout") {
550 self.normalize_stdout
.push(rule
);
552 if let Some(rule
) = config
.parse_custom_normalization(ln
, "normalize-stderr") {
553 self.normalize_stderr
.push(rule
);
556 if let Some(code
) = config
.parse_failure_status(ln
) {
557 self.failure_status
= code
;
560 if !self.run_rustfix
{
561 self.run_rustfix
= config
.parse_run_rustfix(ln
);
564 if !self.rustfix_only_machine_applicable
{
565 self.rustfix_only_machine_applicable
=
566 config
.parse_rustfix_only_machine_applicable(ln
);
569 if self.assembly_output
.is_none() {
570 self.assembly_output
= config
.parse_assembly_output(ln
);
574 if self.failure_status
== -1 {
575 self.failure_status
= match config
.mode
{
576 Mode
::RunFail
=> 101,
581 for key
in &["RUST_TEST_NOCAPTURE", "RUST_TEST_THREADS"] {
582 if let Ok(val
) = env
::var(key
) {
583 if self.exec_env
.iter().find(|&&(ref x
, _
)| x
== key
).is_none() {
584 self.exec_env
.push(((*key
).to_owned(), val
))
590 fn update_pass_mode(&mut self, ln
: &str, revision
: Option
<&str>, config
: &Config
) {
591 let check_no_run
= |s
| {
592 if config
.mode
!= Mode
::Ui
&& config
.mode
!= Mode
::Incremental
{
593 panic
!("`{}` header is only supported in UI and incremental tests", s
);
595 if config
.mode
== Mode
::Incremental
&&
596 !revision
.map_or(false, |r
| r
.starts_with("cfail")) &&
597 !self.revisions
.iter().all(|r
| r
.starts_with("cfail")) {
598 panic
!("`{}` header is only supported in `cfail` incremental tests", s
);
601 let pass_mode
= if config
.parse_name_directive(ln
, "check-pass") {
602 check_no_run("check-pass");
603 Some(PassMode
::Check
)
604 } else if config
.parse_name_directive(ln
, "build-pass") {
605 check_no_run("build-pass");
606 Some(PassMode
::Build
)
607 } else if config
.parse_name_directive(ln
, "run-pass") {
608 if config
.mode
!= Mode
::Ui
{
609 panic
!("`run-pass` header is only supported in UI tests")
612 } else if config
.parse_name_directive(ln
, "run-fail") {
613 if config
.mode
!= Mode
::Ui
{
614 panic
!("`run-fail` header is only supported in UI tests")
616 Some(PassMode
::RunFail
)
620 match (self.pass_mode
, pass_mode
) {
621 (None
, Some(_
)) => self.pass_mode
= pass_mode
,
622 (Some(_
), Some(_
)) => panic
!("multiple `*-pass` headers in a single test"),
627 pub fn pass_mode(&self, config
: &Config
) -> Option
<PassMode
> {
628 if !self.ignore_pass
{
629 if let (mode @
Some(_
), Some(_
)) = (config
.force_pass_mode
, self.pass_mode
) {
636 // does not consider CLI override for pass mode
637 pub fn local_pass_mode(&self) -> Option
<PassMode
> {
642 fn iter_header(testfile
: &Path
, cfg
: Option
<&str>, it
: &mut dyn FnMut(&str)) {
643 if testfile
.is_dir() {
647 let comment
= if testfile
.to_string_lossy().ends_with(".rs") {
653 // FIXME: would be nice to allow some whitespace between comment and brace :)
654 // It took me like 2 days to debug why compile-flags weren’t taken into account for my test :)
655 let comment_with_brace
= comment
.to_string() + "[";
657 let rdr
= BufReader
::new(File
::open(testfile
).unwrap());
658 for ln
in rdr
.lines() {
659 // Assume that any directives will be found before the first
660 // module or function. This doesn't seem to be an optimization
661 // with a warm page cache. Maybe with a cold one.
662 let ln
= ln
.unwrap();
664 if ln
.starts_with("fn") || ln
.starts_with("mod") {
666 } else if ln
.starts_with(&comment_with_brace
) {
667 // A comment like `//[foo]` is specific to revision `foo`
668 if let Some(close_brace
) = ln
.find('
]'
) {
669 let open_brace
= ln
.find('
['
).unwrap();
670 let lncfg
= &ln
[open_brace
+ 1 .. close_brace
];
671 let matches
= match cfg
{
672 Some(s
) => s
== &lncfg
[..],
676 it(ln
[(close_brace
+ 1)..].trim_start());
679 panic
!("malformed condition directive: expected `{}foo]`, found `{}`",
680 comment_with_brace
, ln
)
682 } else if ln
.starts_with(comment
) {
683 it(ln
[comment
.len() ..].trim_start());
690 fn parse_error_pattern(&self, line
: &str) -> Option
<String
> {
691 self.parse_name_value_directive(line
, "error-pattern")
694 fn parse_forbid_output(&self, line
: &str) -> Option
<String
> {
695 self.parse_name_value_directive(line
, "forbid-output")
698 fn parse_aux_build(&self, line
: &str) -> Option
<String
> {
699 self.parse_name_value_directive(line
, "aux-build")
700 .map(|r
| r
.trim().to_string())
703 fn parse_extern_private(&self, line
: &str) -> Option
<String
> {
704 self.parse_name_value_directive(line
, "extern-private")
707 fn parse_compile_flags(&self, line
: &str) -> Option
<String
> {
708 self.parse_name_value_directive(line
, "compile-flags")
711 fn parse_revisions(&self, line
: &str) -> Option
<Vec
<String
>> {
712 self.parse_name_value_directive(line
, "revisions")
713 .map(|r
| r
.split_whitespace().map(|t
| t
.to_string()).collect())
716 fn parse_run_flags(&self, line
: &str) -> Option
<String
> {
717 self.parse_name_value_directive(line
, "run-flags")
720 fn parse_check_line(&self, line
: &str) -> Option
<String
> {
721 self.parse_name_value_directive(line
, "check")
724 fn parse_force_host(&self, line
: &str) -> bool
{
725 self.parse_name_directive(line
, "force-host")
728 fn parse_build_aux_docs(&self, line
: &str) -> bool
{
729 self.parse_name_directive(line
, "build-aux-docs")
732 fn parse_check_stdout(&self, line
: &str) -> bool
{
733 self.parse_name_directive(line
, "check-stdout")
736 fn parse_check_run_results(&self, line
: &str) -> bool
{
737 self.parse_name_directive(line
, "check-run-results")
740 fn parse_dont_check_compiler_stdout(&self, line
: &str) -> bool
{
741 self.parse_name_directive(line
, "dont-check-compiler-stdout")
744 fn parse_dont_check_compiler_stderr(&self, line
: &str) -> bool
{
745 self.parse_name_directive(line
, "dont-check-compiler-stderr")
748 fn parse_no_prefer_dynamic(&self, line
: &str) -> bool
{
749 self.parse_name_directive(line
, "no-prefer-dynamic")
752 fn parse_pretty_expanded(&self, line
: &str) -> bool
{
753 self.parse_name_directive(line
, "pretty-expanded")
756 fn parse_pretty_mode(&self, line
: &str) -> Option
<String
> {
757 self.parse_name_value_directive(line
, "pretty-mode")
760 fn parse_pretty_compare_only(&self, line
: &str) -> bool
{
761 self.parse_name_directive(line
, "pretty-compare-only")
764 fn parse_failure_status(&self, line
: &str) -> Option
<i32> {
765 match self.parse_name_value_directive(line
, "failure-status") {
766 Some(code
) => code
.trim().parse
::<i32>().ok(),
771 fn parse_disable_ui_testing_normalization(&self, line
: &str) -> bool
{
772 self.parse_name_directive(line
, "disable-ui-testing-normalization")
775 fn parse_check_test_line_numbers_match(&self, line
: &str) -> bool
{
776 self.parse_name_directive(line
, "check-test-line-numbers-match")
779 fn parse_ignore_pass(&self, line
: &str) -> bool
{
780 self.parse_name_directive(line
, "ignore-pass")
783 fn parse_assembly_output(&self, line
: &str) -> Option
<String
> {
784 self.parse_name_value_directive(line
, "assembly-output")
785 .map(|r
| r
.trim().to_string())
788 fn parse_env(&self, line
: &str, name
: &str) -> Option
<(String
, String
)> {
789 self.parse_name_value_directive(line
, name
).map(|nv
| {
790 // nv is either FOO or FOO=BAR
791 let mut strs
: Vec
<String
> = nv
.splitn(2, '
='
).map(str::to_owned
).collect();
794 1 => (strs
.pop().unwrap(), String
::new()),
796 let end
= strs
.pop().unwrap();
797 (strs
.pop().unwrap(), end
)
799 n
=> panic
!("Expected 1 or 2 strings, not {}", n
),
804 fn parse_pp_exact(&self, line
: &str, testfile
: &Path
) -> Option
<PathBuf
> {
805 if let Some(s
) = self.parse_name_value_directive(line
, "pp-exact") {
806 Some(PathBuf
::from(&s
))
807 } else if self.parse_name_directive(line
, "pp-exact") {
808 testfile
.file_name().map(PathBuf
::from
)
814 fn parse_custom_normalization(&self, mut line
: &str, prefix
: &str) -> Option
<(String
, String
)> {
815 if self.parse_cfg_name_directive(line
, prefix
) == ParsedNameDirective
::Match
{
816 let from
= parse_normalization_string(&mut line
)?
;
817 let to
= parse_normalization_string(&mut line
)?
;
824 fn parse_needs_matching_clang(&self, line
: &str) -> bool
{
825 self.parse_name_directive(line
, "needs-matching-clang")
828 fn parse_needs_profiler_support(&self, line
: &str) -> bool
{
829 self.parse_name_directive(line
, "needs-profiler-support")
832 fn parse_needs_sanitizer_support(&self, line
: &str) -> bool
{
833 self.parse_name_directive(line
, "needs-sanitizer-support")
836 /// Parses a name-value directive which contains config-specific information, e.g., `ignore-x86`
837 /// or `normalize-stderr-32bit`.
838 fn parse_cfg_name_directive(&self, line
: &str, prefix
: &str) -> ParsedNameDirective
{
839 if line
.starts_with(prefix
) && line
.as_bytes().get(prefix
.len()) == Some(&b'
-'
) {
840 let name
= line
[prefix
.len() + 1..]
841 .split(&['
:'
, ' '
][..])
846 util
::matches_os(&self.target
, name
) || // target
847 util
::matches_env(&self.target
, name
) || // env
848 name
== util
::get_arch(&self.target
) || // architecture
849 name
== util
::get_pointer_width(&self.target
) || // pointer width
850 name
== self.stage_id
.split('
-'
).next().unwrap() || // stage
851 (self.target
!= self.host
&& name
== "cross-compile") ||
852 match self.compare_mode
{
853 Some(CompareMode
::Nll
) => name
== "compare-mode-nll",
854 Some(CompareMode
::Polonius
) => name
== "compare-mode-polonius",
857 (cfg
!(debug_assertions
) && name
== "debug") {
858 ParsedNameDirective
::Match
861 common
::DebugInfoGdbLldb
=> {
863 ParsedNameDirective
::MatchGdb
864 } else if name
== "lldb" {
865 ParsedNameDirective
::MatchLldb
867 ParsedNameDirective
::NoMatch
870 common
::DebugInfoCdb
=> if name
== "cdb" {
871 ParsedNameDirective
::Match
873 ParsedNameDirective
::NoMatch
875 common
::DebugInfoGdb
=> if name
== "gdb" {
876 ParsedNameDirective
::Match
878 ParsedNameDirective
::NoMatch
880 common
::DebugInfoLldb
=> if name
== "lldb" {
881 ParsedNameDirective
::Match
883 ParsedNameDirective
::NoMatch
885 common
::Pretty
=> if name
== "pretty" {
886 ParsedNameDirective
::Match
888 ParsedNameDirective
::NoMatch
890 _
=> ParsedNameDirective
::NoMatch
,
894 ParsedNameDirective
::NoMatch
898 fn has_cfg_prefix(&self, line
: &str, prefix
: &str) -> bool
{
899 // returns whether this line contains this prefix or not. For prefix
900 // "ignore", returns true if line says "ignore-x86_64", "ignore-arch",
901 // "ignore-android" etc.
902 line
.starts_with(prefix
) && line
.as_bytes().get(prefix
.len()) == Some(&b'
-'
)
905 fn parse_name_directive(&self, line
: &str, directive
: &str) -> bool
{
906 // Ensure the directive is a whole word. Do not match "ignore-x86" when
907 // the line says "ignore-x86_64".
908 line
.starts_with(directive
) && match line
.as_bytes().get(directive
.len()) {
909 None
| Some(&b' '
) | Some(&b'
:'
) => true,
914 pub fn parse_name_value_directive(&self, line
: &str, directive
: &str) -> Option
<String
> {
915 let colon
= directive
.len();
916 if line
.starts_with(directive
) && line
.as_bytes().get(colon
) == Some(&b'
:'
) {
917 let value
= line
[(colon
+ 1)..].to_owned();
918 debug
!("{}: {}", directive
, value
);
919 Some(expand_variables(value
, self))
925 pub fn find_rust_src_root(&self) -> Option
<PathBuf
> {
926 let mut path
= self.src_base
.clone();
927 let path_postfix
= Path
::new("src/etc/lldb_batchmode.py");
930 if path
.join(&path_postfix
).is_file() {
938 fn parse_run_rustfix(&self, line
: &str) -> bool
{
939 self.parse_name_directive(line
, "run-rustfix")
942 fn parse_rustfix_only_machine_applicable(&self, line
: &str) -> bool
{
943 self.parse_name_directive(line
, "rustfix-only-machine-applicable")
946 fn parse_edition(&self, line
: &str) -> Option
<String
> {
947 self.parse_name_value_directive(line
, "edition")
951 pub fn lldb_version_to_int(version_string
: &str) -> isize {
952 let error_string
= format
!(
953 "Encountered LLDB version string with unexpected format: {}",
956 version_string
.parse().expect(&error_string
)
959 fn expand_variables(mut value
: String
, config
: &Config
) -> String
{
960 const CWD
: &'
static str = "{{cwd}}";
961 const SRC_BASE
: &'
static str = "{{src-base}}";
962 const BUILD_BASE
: &'
static str = "{{build-base}}";
964 if value
.contains(CWD
) {
965 let cwd
= env
::current_dir().unwrap();
966 value
= value
.replace(CWD
, &cwd
.to_string_lossy());
969 if value
.contains(SRC_BASE
) {
970 value
= value
.replace(SRC_BASE
, &config
.src_base
.to_string_lossy());
973 if value
.contains(BUILD_BASE
) {
974 value
= value
.replace(BUILD_BASE
, &config
.build_base
.to_string_lossy());
980 /// Finds the next quoted string `"..."` in `line`, and extract the content from it. Move the `line`
981 /// variable after the end of the quoted string.
986 /// let mut s = "normalize-stderr-32bit: \"something (32 bits)\" -> \"something ($WORD bits)\".";
987 /// let first = parse_normalization_string(&mut s);
988 /// assert_eq!(first, Some("something (32 bits)".to_owned()));
989 /// assert_eq!(s, " -> \"something ($WORD bits)\".");
991 fn parse_normalization_string(line
: &mut &str) -> Option
<String
> {
992 // FIXME support escapes in strings.
993 let begin
= line
.find('
"')? + 1;
994 let end = line[begin..].find('"'
)?
+ begin
;
995 let result
= line
[begin
..end
].to_owned();
996 *line
= &line
[end
+ 1..];