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Commit | Line | Data |
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3dfed10e | 1 | use std::collections::HashSet; |
a7813a04 XL |
2 | use std::env; |
3 | use std::fs::File; | |
a7813a04 | 4 | use std::io::prelude::*; |
94b46f34 | 5 | use std::io::BufReader; |
a7813a04 XL |
6 | use std::path::{Path, PathBuf}; |
7 | ||
3dfed10e | 8 | use tracing::*; |
48663c56 | 9 | |
dfeec247 | 10 | use crate::common::{CompareMode, Config, Debugger, FailMode, Mode, PassMode}; |
dfeec247 | 11 | use crate::util; |
1b1a35ee | 12 | use crate::{extract_cdb_version, extract_gdb_version}; |
c30ab7b3 | 13 | |
416331ca XL |
14 | #[cfg(test)] |
15 | mod tests; | |
16 | ||
0bf4aa26 XL |
17 | /// The result of parse_cfg_name_directive. |
18 | #[derive(Clone, Copy, PartialEq, Debug)] | |
19 | enum ParsedNameDirective { | |
20 | /// No match. | |
21 | NoMatch, | |
22 | /// Match. | |
23 | Match, | |
0bf4aa26 XL |
24 | } |
25 | ||
a7813a04 XL |
26 | /// Properties which must be known very early, before actually running |
27 | /// the test. | |
74b04a01 | 28 | #[derive(Default)] |
a7813a04 | 29 | pub struct EarlyProps { |
dfeec247 | 30 | pub ignore: bool, |
a7813a04 | 31 | pub should_fail: bool, |
8bb4bdeb | 32 | pub aux: Vec<String>, |
60c5eb7d | 33 | pub aux_crate: Vec<(String, String)>, |
ff7c6d11 | 34 | pub revisions: Vec<String>, |
a7813a04 XL |
35 | } |
36 | ||
37 | impl EarlyProps { | |
38 | pub fn from_file(config: &Config, testfile: &Path) -> Self { | |
74b04a01 XL |
39 | let file = File::open(testfile).unwrap(); |
40 | Self::from_reader(config, testfile, file) | |
41 | } | |
a7813a04 | 42 | |
74b04a01 XL |
43 | pub fn from_reader<R: Read>(config: &Config, testfile: &Path, rdr: R) -> Self { |
44 | let mut props = EarlyProps::default(); | |
48663c56 XL |
45 | let rustc_has_profiler_support = env::var_os("RUSTC_PROFILER_SUPPORT").is_some(); |
46 | let rustc_has_sanitizer_support = env::var_os("RUSTC_SANITIZER_SUPPORT").is_some(); | |
f035d41b XL |
47 | let has_asan = util::ASAN_SUPPORTED_TARGETS.contains(&&*config.target); |
48 | let has_lsan = util::LSAN_SUPPORTED_TARGETS.contains(&&*config.target); | |
49 | let has_msan = util::MSAN_SUPPORTED_TARGETS.contains(&&*config.target); | |
50 | let has_tsan = util::TSAN_SUPPORTED_TARGETS.contains(&&*config.target); | |
48663c56 | 51 | |
74b04a01 | 52 | iter_header(testfile, None, rdr, &mut |ln| { |
2c00a5a8 XL |
53 | // we should check if any only-<platform> exists and if it exists |
54 | // and does not matches the current platform, skip the test | |
dfeec247 | 55 | if !props.ignore { |
0bf4aa26 | 56 | props.ignore = match config.parse_cfg_name_directive(ln, "ignore") { |
dfeec247 | 57 | ParsedNameDirective::Match => true, |
0bf4aa26 | 58 | ParsedNameDirective::NoMatch => props.ignore, |
0bf4aa26 XL |
59 | }; |
60 | ||
61 | if config.has_cfg_prefix(ln, "only") { | |
62 | props.ignore = match config.parse_cfg_name_directive(ln, "only") { | |
63 | ParsedNameDirective::Match => props.ignore, | |
dfeec247 | 64 | ParsedNameDirective::NoMatch => true, |
0bf4aa26 XL |
65 | }; |
66 | } | |
67 | ||
68 | if ignore_llvm(config, ln) { | |
dfeec247 | 69 | props.ignore = true; |
0bf4aa26 | 70 | } |
9fa01778 | 71 | |
dfeec247 XL |
72 | if config.run_clang_based_tests_with.is_none() |
73 | && config.parse_needs_matching_clang(ln) | |
74 | { | |
75 | props.ignore = true; | |
9fa01778 | 76 | } |
48663c56 | 77 | |
dfeec247 XL |
78 | if !rustc_has_profiler_support && config.parse_needs_profiler_support(ln) { |
79 | props.ignore = true; | |
48663c56 XL |
80 | } |
81 | ||
f035d41b XL |
82 | if !rustc_has_sanitizer_support |
83 | && config.parse_name_directive(ln, "needs-sanitizer-support") | |
84 | { | |
85 | props.ignore = true; | |
86 | } | |
87 | ||
88 | if !has_asan && config.parse_name_directive(ln, "needs-sanitizer-address") { | |
89 | props.ignore = true; | |
90 | } | |
91 | ||
92 | if !has_lsan && config.parse_name_directive(ln, "needs-sanitizer-leak") { | |
93 | props.ignore = true; | |
94 | } | |
95 | ||
96 | if !has_msan && config.parse_name_directive(ln, "needs-sanitizer-memory") { | |
97 | props.ignore = true; | |
98 | } | |
99 | ||
100 | if !has_tsan && config.parse_name_directive(ln, "needs-sanitizer-thread") { | |
dfeec247 | 101 | props.ignore = true; |
48663c56 | 102 | } |
e1599b0c XL |
103 | |
104 | if config.target == "wasm32-unknown-unknown" && config.parse_check_run_results(ln) { | |
dfeec247 | 105 | props.ignore = true; |
e1599b0c | 106 | } |
0bf4aa26 | 107 | |
1b1a35ee XL |
108 | if config.debugger == Some(Debugger::Cdb) && ignore_cdb(config, ln) { |
109 | props.ignore = true; | |
110 | } | |
111 | ||
dfeec247 XL |
112 | if config.debugger == Some(Debugger::Gdb) && ignore_gdb(config, ln) { |
113 | props.ignore = true; | |
114 | } | |
0bf4aa26 | 115 | |
dfeec247 XL |
116 | if config.debugger == Some(Debugger::Lldb) && ignore_lldb(config, ln) { |
117 | props.ignore = true; | |
118 | } | |
0bf4aa26 | 119 | } |
a7813a04 | 120 | |
7cac9316 | 121 | if let Some(s) = config.parse_aux_build(ln) { |
8bb4bdeb XL |
122 | props.aux.push(s); |
123 | } | |
124 | ||
60c5eb7d XL |
125 | if let Some(ac) = config.parse_aux_crate(ln) { |
126 | props.aux_crate.push(ac); | |
127 | } | |
128 | ||
ff7c6d11 XL |
129 | if let Some(r) = config.parse_revisions(ln) { |
130 | props.revisions.extend(r); | |
131 | } | |
132 | ||
7cac9316 | 133 | props.should_fail = props.should_fail || config.parse_name_directive(ln, "should-fail"); |
a7813a04 XL |
134 | }); |
135 | ||
136 | return props; | |
137 | ||
1b1a35ee XL |
138 | fn ignore_cdb(config: &Config, line: &str) -> bool { |
139 | if let Some(actual_version) = config.cdb_version { | |
140 | if let Some(min_version) = line.strip_prefix("min-cdb-version:").map(str::trim) { | |
141 | let min_version = extract_cdb_version(min_version).unwrap_or_else(|| { | |
142 | panic!("couldn't parse version range: {:?}", min_version); | |
143 | }); | |
144 | ||
145 | // Ignore if actual version is smaller than the minimum | |
146 | // required version | |
147 | return actual_version < min_version; | |
148 | } | |
149 | } | |
150 | false | |
151 | } | |
152 | ||
a7813a04 | 153 | fn ignore_gdb(config: &Config, line: &str) -> bool { |
c30ab7b3 | 154 | if let Some(actual_version) = config.gdb_version { |
3dfed10e XL |
155 | if let Some(rest) = line.strip_prefix("min-gdb-version:").map(str::trim) { |
156 | let (start_ver, end_ver) = extract_version_range(rest, extract_gdb_version) | |
157 | .unwrap_or_else(|| { | |
158 | panic!("couldn't parse version range: {:?}", rest); | |
159 | }); | |
32a655c1 SL |
160 | |
161 | if start_ver != end_ver { | |
162 | panic!("Expected single GDB version") | |
163 | } | |
1b1a35ee XL |
164 | // Ignore if actual version is smaller than the minimum |
165 | // required version | |
3dfed10e XL |
166 | return actual_version < start_ver; |
167 | } else if let Some(rest) = line.strip_prefix("ignore-gdb-version:").map(str::trim) { | |
168 | let (min_version, max_version) = | |
169 | extract_version_range(rest, extract_gdb_version).unwrap_or_else(|| { | |
170 | panic!("couldn't parse version range: {:?}", rest); | |
171 | }); | |
32a655c1 SL |
172 | |
173 | if max_version < min_version { | |
174 | panic!("Malformed GDB version range: max < min") | |
175 | } | |
176 | ||
3dfed10e | 177 | return actual_version >= min_version && actual_version <= max_version; |
a7813a04 | 178 | } |
32a655c1 | 179 | } |
3dfed10e | 180 | false |
32a655c1 SL |
181 | } |
182 | ||
a7813a04 | 183 | fn ignore_lldb(config: &Config, line: &str) -> bool { |
3dfed10e XL |
184 | if let Some(actual_version) = config.lldb_version { |
185 | if let Some(min_version) = line.strip_prefix("min-lldb-version:").map(str::trim) { | |
186 | let min_version = min_version.parse().unwrap_or_else(|e| { | |
187 | panic!( | |
188 | "Unexpected format of LLDB version string: {}\n{:?}", | |
189 | min_version, e | |
190 | ); | |
191 | }); | |
a7813a04 XL |
192 | // Ignore if actual version is smaller the minimum required |
193 | // version | |
3dfed10e | 194 | actual_version < min_version |
a7813a04 | 195 | } else { |
3dfed10e | 196 | line.starts_with("rust-lldb") && !config.lldb_native_rust |
a7813a04 XL |
197 | } |
198 | } else { | |
199 | false | |
200 | } | |
201 | } | |
9e0c209e SL |
202 | |
203 | fn ignore_llvm(config: &Config, line: &str) -> bool { | |
041b39d2 | 204 | if config.system_llvm && line.starts_with("no-system-llvm") { |
94b46f34 | 205 | return true; |
041b39d2 | 206 | } |
3dfed10e XL |
207 | if let Some(needed_components) = |
208 | config.parse_name_value_directive(line, "needs-llvm-components") | |
209 | { | |
210 | let components: HashSet<_> = config.llvm_components.split_whitespace().collect(); | |
1b1a35ee | 211 | if let Some(missing_component) = needed_components |
3dfed10e | 212 | .split_whitespace() |
1b1a35ee | 213 | .find(|needed_component| !components.contains(needed_component)) |
3dfed10e | 214 | { |
1b1a35ee XL |
215 | if env::var_os("COMPILETEST_NEEDS_ALL_LLVM_COMPONENTS").is_some() { |
216 | panic!("missing LLVM component: {}", missing_component); | |
217 | } | |
3dfed10e XL |
218 | return true; |
219 | } | |
220 | } | |
221 | if let Some(actual_version) = config.llvm_version { | |
222 | if let Some(rest) = line.strip_prefix("min-llvm-version:").map(str::trim) { | |
223 | let min_version = extract_llvm_version(rest).unwrap(); | |
9e0c209e SL |
224 | // Ignore if actual version is smaller the minimum required |
225 | // version | |
3dfed10e XL |
226 | actual_version < min_version |
227 | } else if let Some(rest) = | |
228 | line.strip_prefix("min-system-llvm-version:").map(str::trim) | |
229 | { | |
230 | let min_version = extract_llvm_version(rest).unwrap(); | |
abe05a73 XL |
231 | // Ignore if using system LLVM and actual version |
232 | // is smaller the minimum required version | |
3dfed10e XL |
233 | config.system_llvm && actual_version < min_version |
234 | } else if let Some(rest) = line.strip_prefix("ignore-llvm-version:").map(str::trim) | |
235 | { | |
236 | // Syntax is: "ignore-llvm-version: <version1> [- <version2>]" | |
237 | let (v_min, v_max) = extract_version_range(rest, extract_llvm_version) | |
238 | .unwrap_or_else(|| { | |
239 | panic!("couldn't parse version range: {:?}", rest); | |
240 | }); | |
241 | if v_max < v_min { | |
242 | panic!("Malformed LLVM version range: max < min") | |
a1dfa0c6 | 243 | } |
3dfed10e XL |
244 | // Ignore if version lies inside of range. |
245 | actual_version >= v_min && actual_version <= v_max | |
9e0c209e SL |
246 | } else { |
247 | false | |
248 | } | |
249 | } else { | |
250 | false | |
251 | } | |
252 | } | |
a7813a04 XL |
253 | } |
254 | } | |
255 | ||
256 | #[derive(Clone, Debug)] | |
257 | pub struct TestProps { | |
258 | // Lines that should be expected, in order, on standard out | |
5bcae85e | 259 | pub error_patterns: Vec<String>, |
a7813a04 XL |
260 | // Extra flags to pass to the compiler |
261 | pub compile_flags: Vec<String>, | |
262 | // Extra flags to pass when the compiled code is run (such as --bench) | |
263 | pub run_flags: Option<String>, | |
264 | // If present, the name of a file that this test should match when | |
265 | // pretty-printed | |
266 | pub pp_exact: Option<PathBuf>, | |
267 | // Other crates that should be compiled (typically from the same | |
268 | // directory as the test, but for backwards compatibility reasons | |
269 | // we also check the auxiliary directory) | |
5bcae85e | 270 | pub aux_builds: Vec<String>, |
60c5eb7d XL |
271 | // Similar to `aux_builds`, but a list of NAME=somelib.rs of dependencies |
272 | // to build and pass with the `--extern` flag. | |
273 | pub aux_crates: Vec<(String, String)>, | |
a7813a04 | 274 | // Environment settings to use for compiling |
5bcae85e | 275 | pub rustc_env: Vec<(String, String)>, |
48663c56 XL |
276 | // Environment variables to unset prior to compiling. |
277 | // Variables are unset before applying 'rustc_env'. | |
278 | pub unset_rustc_env: Vec<String>, | |
a7813a04 | 279 | // Environment settings to use during execution |
5bcae85e | 280 | pub exec_env: Vec<(String, String)>, |
a7813a04 | 281 | // Lines to check if they appear in the expected debugger output |
5bcae85e | 282 | pub check_lines: Vec<String>, |
a7813a04 XL |
283 | // Build documentation for all specified aux-builds as well |
284 | pub build_aux_docs: bool, | |
285 | // Flag to force a crate to be built with the host architecture | |
286 | pub force_host: bool, | |
287 | // Check stdout for error-pattern output as well as stderr | |
288 | pub check_stdout: bool, | |
e1599b0c XL |
289 | // Check stdout & stderr for output of run-pass test |
290 | pub check_run_results: bool, | |
0bf4aa26 XL |
291 | // For UI tests, allows compiler to generate arbitrary output to stdout |
292 | pub dont_check_compiler_stdout: bool, | |
293 | // For UI tests, allows compiler to generate arbitrary output to stderr | |
294 | pub dont_check_compiler_stderr: bool, | |
a7813a04 | 295 | // Don't force a --crate-type=dylib flag on the command line |
48663c56 XL |
296 | // |
297 | // Set this for example if you have an auxiliary test file that contains | |
298 | // a proc-macro and needs `#![crate_type = "proc-macro"]`. This ensures | |
299 | // that the aux file is compiled as a `proc-macro` and not as a `dylib`. | |
a7813a04 XL |
300 | pub no_prefer_dynamic: bool, |
301 | // Run --pretty expanded when running pretty printing tests | |
302 | pub pretty_expanded: bool, | |
303 | // Which pretty mode are we testing with, default to 'normal' | |
304 | pub pretty_mode: String, | |
305 | // Only compare pretty output and don't try compiling | |
306 | pub pretty_compare_only: bool, | |
307 | // Patterns which must not appear in the output of a cfail test. | |
308 | pub forbid_output: Vec<String>, | |
309 | // Revisions to test for incremental compilation. | |
310 | pub revisions: Vec<String>, | |
311 | // Directory (if any) to use for incremental compilation. This is | |
312 | // not set by end-users; rather it is set by the incremental | |
313 | // testing harness and used when generating compilation | |
314 | // arguments. (In particular, it propagates to the aux-builds.) | |
315 | pub incremental_dir: Option<PathBuf>, | |
dc9dc135 XL |
316 | // How far should the test proceed while still passing. |
317 | pass_mode: Option<PassMode>, | |
318 | // Ignore `--pass` overrides from the command line for this test. | |
319 | ignore_pass: bool, | |
dfeec247 XL |
320 | // How far this test should proceed to start failing. |
321 | pub fail_mode: Option<FailMode>, | |
8bb4bdeb XL |
322 | // rustdoc will test the output of the `--test` option |
323 | pub check_test_line_numbers_match: bool, | |
041b39d2 XL |
324 | // customized normalization rules |
325 | pub normalize_stdout: Vec<(String, String)>, | |
326 | pub normalize_stderr: Vec<(String, String)>, | |
0531ce1d | 327 | pub failure_status: i32, |
532ac7d7 XL |
328 | // Whether or not `rustfix` should apply the `CodeSuggestion`s of this test and compile the |
329 | // resulting Rust code. | |
83c7162d | 330 | pub run_rustfix: bool, |
532ac7d7 | 331 | // If true, `rustfix` will only apply `MachineApplicable` suggestions. |
b7449926 | 332 | pub rustfix_only_machine_applicable: bool, |
532ac7d7 | 333 | pub assembly_output: Option<String>, |
60c5eb7d XL |
334 | // If true, the test is expected to ICE |
335 | pub should_ice: bool, | |
a7813a04 XL |
336 | } |
337 | ||
338 | impl TestProps { | |
339 | pub fn new() -> Self { | |
a7813a04 | 340 | TestProps { |
9e0c209e | 341 | error_patterns: vec![], |
a7813a04 | 342 | compile_flags: vec![], |
9e0c209e SL |
343 | run_flags: None, |
344 | pp_exact: None, | |
345 | aux_builds: vec![], | |
60c5eb7d | 346 | aux_crates: vec![], |
a7813a04 XL |
347 | revisions: vec![], |
348 | rustc_env: vec![], | |
48663c56 | 349 | unset_rustc_env: vec![], |
9e0c209e SL |
350 | exec_env: vec![], |
351 | check_lines: vec![], | |
352 | build_aux_docs: false, | |
353 | force_host: false, | |
354 | check_stdout: false, | |
e1599b0c | 355 | check_run_results: false, |
0bf4aa26 XL |
356 | dont_check_compiler_stdout: false, |
357 | dont_check_compiler_stderr: false, | |
9e0c209e SL |
358 | no_prefer_dynamic: false, |
359 | pretty_expanded: false, | |
041b39d2 | 360 | pretty_mode: "normal".to_string(), |
9e0c209e SL |
361 | pretty_compare_only: false, |
362 | forbid_output: vec![], | |
a7813a04 | 363 | incremental_dir: None, |
dc9dc135 | 364 | pass_mode: None, |
dfeec247 | 365 | fail_mode: None, |
dc9dc135 | 366 | ignore_pass: false, |
8bb4bdeb | 367 | check_test_line_numbers_match: false, |
041b39d2 XL |
368 | normalize_stdout: vec![], |
369 | normalize_stderr: vec![], | |
8faf50e0 | 370 | failure_status: -1, |
83c7162d | 371 | run_rustfix: false, |
b7449926 | 372 | rustfix_only_machine_applicable: false, |
532ac7d7 | 373 | assembly_output: None, |
60c5eb7d | 374 | should_ice: false, |
a7813a04 XL |
375 | } |
376 | } | |
377 | ||
94b46f34 | 378 | pub fn from_aux_file(&self, testfile: &Path, cfg: Option<&str>, config: &Config) -> Self { |
a7813a04 XL |
379 | let mut props = TestProps::new(); |
380 | ||
381 | // copy over select properties to the aux build: | |
382 | props.incremental_dir = self.incremental_dir.clone(); | |
7cac9316 | 383 | props.load_from(testfile, cfg, config); |
a7813a04 XL |
384 | |
385 | props | |
386 | } | |
387 | ||
abe05a73 | 388 | pub fn from_file(testfile: &Path, cfg: Option<&str>, config: &Config) -> Self { |
a7813a04 | 389 | let mut props = TestProps::new(); |
abe05a73 | 390 | props.load_from(testfile, cfg, config); |
dfeec247 XL |
391 | |
392 | match (props.pass_mode, props.fail_mode) { | |
393 | (None, None) => props.fail_mode = Some(FailMode::Check), | |
394 | (Some(_), None) | (None, Some(_)) => {} | |
395 | (Some(_), Some(_)) => panic!("cannot use a *-fail and *-pass mode together"), | |
396 | } | |
397 | ||
a7813a04 XL |
398 | props |
399 | } | |
400 | ||
9fa01778 | 401 | /// Loads properties from `testfile` into `props`. If a property is |
a7813a04 XL |
402 | /// tied to a particular revision `foo` (indicated by writing |
403 | /// `//[foo]`), then the property is ignored unless `cfg` is | |
404 | /// `Some("foo")`. | |
94b46f34 | 405 | fn load_from(&mut self, testfile: &Path, cfg: Option<&str>, config: &Config) { |
74b04a01 XL |
406 | if !testfile.is_dir() { |
407 | let file = File::open(testfile).unwrap(); | |
a7813a04 | 408 | |
74b04a01 XL |
409 | iter_header(testfile, cfg, file, &mut |ln| { |
410 | if let Some(ep) = config.parse_error_pattern(ln) { | |
411 | self.error_patterns.push(ep); | |
412 | } | |
a7813a04 | 413 | |
74b04a01 XL |
414 | if let Some(flags) = config.parse_compile_flags(ln) { |
415 | self.compile_flags.extend(flags.split_whitespace().map(|s| s.to_owned())); | |
416 | } | |
8faf50e0 | 417 | |
74b04a01 XL |
418 | if let Some(edition) = config.parse_edition(ln) { |
419 | self.compile_flags.push(format!("--edition={}", edition)); | |
420 | } | |
a7813a04 | 421 | |
74b04a01 XL |
422 | if let Some(r) = config.parse_revisions(ln) { |
423 | self.revisions.extend(r); | |
424 | } | |
a7813a04 | 425 | |
74b04a01 XL |
426 | if self.run_flags.is_none() { |
427 | self.run_flags = config.parse_run_flags(ln); | |
428 | } | |
a7813a04 | 429 | |
74b04a01 XL |
430 | if self.pp_exact.is_none() { |
431 | self.pp_exact = config.parse_pp_exact(ln, testfile); | |
432 | } | |
60c5eb7d | 433 | |
74b04a01 XL |
434 | if !self.should_ice { |
435 | self.should_ice = config.parse_should_ice(ln); | |
436 | } | |
a7813a04 | 437 | |
74b04a01 XL |
438 | if !self.build_aux_docs { |
439 | self.build_aux_docs = config.parse_build_aux_docs(ln); | |
440 | } | |
a7813a04 | 441 | |
74b04a01 XL |
442 | if !self.force_host { |
443 | self.force_host = config.parse_force_host(ln); | |
444 | } | |
a7813a04 | 445 | |
74b04a01 XL |
446 | if !self.check_stdout { |
447 | self.check_stdout = config.parse_check_stdout(ln); | |
448 | } | |
e1599b0c | 449 | |
74b04a01 XL |
450 | if !self.check_run_results { |
451 | self.check_run_results = config.parse_check_run_results(ln); | |
452 | } | |
0bf4aa26 | 453 | |
74b04a01 XL |
454 | if !self.dont_check_compiler_stdout { |
455 | self.dont_check_compiler_stdout = config.parse_dont_check_compiler_stdout(ln); | |
456 | } | |
0bf4aa26 | 457 | |
74b04a01 XL |
458 | if !self.dont_check_compiler_stderr { |
459 | self.dont_check_compiler_stderr = config.parse_dont_check_compiler_stderr(ln); | |
460 | } | |
a7813a04 | 461 | |
74b04a01 XL |
462 | if !self.no_prefer_dynamic { |
463 | self.no_prefer_dynamic = config.parse_no_prefer_dynamic(ln); | |
464 | } | |
a7813a04 | 465 | |
74b04a01 XL |
466 | if !self.pretty_expanded { |
467 | self.pretty_expanded = config.parse_pretty_expanded(ln); | |
468 | } | |
a7813a04 | 469 | |
74b04a01 XL |
470 | if let Some(m) = config.parse_pretty_mode(ln) { |
471 | self.pretty_mode = m; | |
472 | } | |
a7813a04 | 473 | |
74b04a01 XL |
474 | if !self.pretty_compare_only { |
475 | self.pretty_compare_only = config.parse_pretty_compare_only(ln); | |
476 | } | |
a7813a04 | 477 | |
74b04a01 XL |
478 | if let Some(ab) = config.parse_aux_build(ln) { |
479 | self.aux_builds.push(ab); | |
480 | } | |
48663c56 | 481 | |
74b04a01 XL |
482 | if let Some(ac) = config.parse_aux_crate(ln) { |
483 | self.aux_crates.push(ac); | |
484 | } | |
a7813a04 | 485 | |
74b04a01 XL |
486 | if let Some(ee) = config.parse_env(ln, "exec-env") { |
487 | self.exec_env.push(ee); | |
488 | } | |
a7813a04 | 489 | |
74b04a01 XL |
490 | if let Some(ee) = config.parse_env(ln, "rustc-env") { |
491 | self.rustc_env.push(ee); | |
492 | } | |
48663c56 | 493 | |
74b04a01 XL |
494 | if let Some(ev) = config.parse_name_value_directive(ln, "unset-rustc-env") { |
495 | self.unset_rustc_env.push(ev); | |
496 | } | |
a7813a04 | 497 | |
74b04a01 XL |
498 | if let Some(cl) = config.parse_check_line(ln) { |
499 | self.check_lines.push(cl); | |
500 | } | |
9e0c209e | 501 | |
74b04a01 XL |
502 | if let Some(of) = config.parse_forbid_output(ln) { |
503 | self.forbid_output.push(of); | |
504 | } | |
7cac9316 | 505 | |
74b04a01 XL |
506 | if !self.check_test_line_numbers_match { |
507 | self.check_test_line_numbers_match = | |
508 | config.parse_check_test_line_numbers_match(ln); | |
509 | } | |
ff7c6d11 | 510 | |
74b04a01 XL |
511 | self.update_pass_mode(ln, cfg, config); |
512 | self.update_fail_mode(ln, config); | |
83c7162d | 513 | |
74b04a01 XL |
514 | if !self.ignore_pass { |
515 | self.ignore_pass = config.parse_ignore_pass(ln); | |
516 | } | |
0531ce1d | 517 | |
74b04a01 XL |
518 | if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stdout") { |
519 | self.normalize_stdout.push(rule); | |
520 | } | |
521 | if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stderr") { | |
522 | self.normalize_stderr.push(rule); | |
523 | } | |
83c7162d | 524 | |
74b04a01 XL |
525 | if let Some(code) = config.parse_failure_status(ln) { |
526 | self.failure_status = code; | |
527 | } | |
b7449926 | 528 | |
74b04a01 XL |
529 | if !self.run_rustfix { |
530 | self.run_rustfix = config.parse_run_rustfix(ln); | |
531 | } | |
532ac7d7 | 532 | |
74b04a01 XL |
533 | if !self.rustfix_only_machine_applicable { |
534 | self.rustfix_only_machine_applicable = | |
535 | config.parse_rustfix_only_machine_applicable(ln); | |
536 | } | |
537 | ||
538 | if self.assembly_output.is_none() { | |
539 | self.assembly_output = config.parse_assembly_output(ln); | |
540 | } | |
541 | }); | |
542 | } | |
a7813a04 | 543 | |
74d20737 | 544 | if self.failure_status == -1 { |
5869c6ff | 545 | self.failure_status = 1; |
74d20737 | 546 | } |
60c5eb7d XL |
547 | if self.should_ice { |
548 | self.failure_status = 101; | |
549 | } | |
74d20737 | 550 | |
041b39d2 XL |
551 | for key in &["RUST_TEST_NOCAPTURE", "RUST_TEST_THREADS"] { |
552 | if let Ok(val) = env::var(key) { | |
553 | if self.exec_env.iter().find(|&&(ref x, _)| x == key).is_none() { | |
554 | self.exec_env.push(((*key).to_owned(), val)) | |
5bcae85e | 555 | } |
a7813a04 XL |
556 | } |
557 | } | |
558 | } | |
dc9dc135 | 559 | |
dfeec247 XL |
560 | fn update_fail_mode(&mut self, ln: &str, config: &Config) { |
561 | let check_ui = |mode: &str| { | |
562 | if config.mode != Mode::Ui { | |
563 | panic!("`{}-fail` header is only supported in UI tests", mode); | |
564 | } | |
565 | }; | |
74b04a01 XL |
566 | if config.mode == Mode::Ui && config.parse_name_directive(ln, "compile-fail") { |
567 | panic!("`compile-fail` header is useless in UI tests"); | |
568 | } | |
dfeec247 XL |
569 | let fail_mode = if config.parse_name_directive(ln, "check-fail") { |
570 | check_ui("check"); | |
571 | Some(FailMode::Check) | |
572 | } else if config.parse_name_directive(ln, "build-fail") { | |
573 | check_ui("build"); | |
574 | Some(FailMode::Build) | |
575 | } else if config.parse_name_directive(ln, "run-fail") { | |
576 | check_ui("run"); | |
577 | Some(FailMode::Run) | |
578 | } else { | |
579 | None | |
580 | }; | |
581 | match (self.fail_mode, fail_mode) { | |
582 | (None, Some(_)) => self.fail_mode = fail_mode, | |
583 | (Some(_), Some(_)) => panic!("multiple `*-fail` headers in a single test"), | |
584 | (_, None) => {} | |
585 | } | |
586 | } | |
587 | ||
dc9dc135 XL |
588 | fn update_pass_mode(&mut self, ln: &str, revision: Option<&str>, config: &Config) { |
589 | let check_no_run = |s| { | |
590 | if config.mode != Mode::Ui && config.mode != Mode::Incremental { | |
591 | panic!("`{}` header is only supported in UI and incremental tests", s); | |
592 | } | |
dfeec247 XL |
593 | if config.mode == Mode::Incremental |
594 | && !revision.map_or(false, |r| r.starts_with("cfail")) | |
595 | && !self.revisions.iter().all(|r| r.starts_with("cfail")) | |
596 | { | |
dc9dc135 XL |
597 | panic!("`{}` header is only supported in `cfail` incremental tests", s); |
598 | } | |
599 | }; | |
600 | let pass_mode = if config.parse_name_directive(ln, "check-pass") { | |
601 | check_no_run("check-pass"); | |
602 | Some(PassMode::Check) | |
603 | } else if config.parse_name_directive(ln, "build-pass") { | |
604 | check_no_run("build-pass"); | |
605 | Some(PassMode::Build) | |
dc9dc135 | 606 | } else if config.parse_name_directive(ln, "run-pass") { |
416331ca | 607 | if config.mode != Mode::Ui { |
dc9dc135 XL |
608 | panic!("`run-pass` header is only supported in UI tests") |
609 | } | |
610 | Some(PassMode::Run) | |
611 | } else { | |
612 | None | |
613 | }; | |
614 | match (self.pass_mode, pass_mode) { | |
615 | (None, Some(_)) => self.pass_mode = pass_mode, | |
616 | (Some(_), Some(_)) => panic!("multiple `*-pass` headers in a single test"), | |
617 | (_, None) => {} | |
618 | } | |
619 | } | |
620 | ||
621 | pub fn pass_mode(&self, config: &Config) -> Option<PassMode> { | |
dfeec247 | 622 | if !self.ignore_pass && self.fail_mode.is_none() && config.mode == Mode::Ui { |
dc9dc135 XL |
623 | if let (mode @ Some(_), Some(_)) = (config.force_pass_mode, self.pass_mode) { |
624 | return mode; | |
625 | } | |
626 | } | |
627 | self.pass_mode | |
628 | } | |
e1599b0c XL |
629 | |
630 | // does not consider CLI override for pass mode | |
631 | pub fn local_pass_mode(&self) -> Option<PassMode> { | |
632 | self.pass_mode | |
633 | } | |
a7813a04 XL |
634 | } |
635 | ||
74b04a01 | 636 | fn iter_header<R: Read>(testfile: &Path, cfg: Option<&str>, rdr: R, it: &mut dyn FnMut(&str)) { |
a7813a04 | 637 | if testfile.is_dir() { |
5bcae85e | 638 | return; |
a7813a04 | 639 | } |
83c7162d | 640 | |
dfeec247 | 641 | let comment = if testfile.to_string_lossy().ends_with(".rs") { "//" } else { "#" }; |
83c7162d | 642 | |
74b04a01 XL |
643 | let mut rdr = BufReader::new(rdr); |
644 | let mut ln = String::new(); | |
645 | ||
646 | loop { | |
647 | ln.clear(); | |
648 | if rdr.read_line(&mut ln).unwrap() == 0 { | |
649 | break; | |
650 | } | |
83c7162d | 651 | |
a7813a04 XL |
652 | // Assume that any directives will be found before the first |
653 | // module or function. This doesn't seem to be an optimization | |
654 | // with a warm page cache. Maybe with a cold one. | |
a7813a04 XL |
655 | let ln = ln.trim(); |
656 | if ln.starts_with("fn") || ln.starts_with("mod") { | |
657 | return; | |
74b04a01 | 658 | } else if ln.starts_with(comment) && ln[comment.len()..].trim_start().starts_with('[') { |
a7813a04 | 659 | // A comment like `//[foo]` is specific to revision `foo` |
041b39d2 | 660 | if let Some(close_brace) = ln.find(']') { |
83c7162d | 661 | let open_brace = ln.find('[').unwrap(); |
dfeec247 | 662 | let lncfg = &ln[open_brace + 1..close_brace]; |
a7813a04 XL |
663 | let matches = match cfg { |
664 | Some(s) => s == &lncfg[..], | |
665 | None => false, | |
666 | }; | |
667 | if matches { | |
0731742a | 668 | it(ln[(close_brace + 1)..].trim_start()); |
a7813a04 XL |
669 | } |
670 | } else { | |
74b04a01 | 671 | panic!("malformed condition directive: expected `{}[foo]`, found `{}`", comment, ln) |
a7813a04 | 672 | } |
83c7162d | 673 | } else if ln.starts_with(comment) { |
dfeec247 | 674 | it(ln[comment.len()..].trim_start()); |
a7813a04 XL |
675 | } |
676 | } | |
a7813a04 XL |
677 | } |
678 | ||
7cac9316 | 679 | impl Config { |
60c5eb7d XL |
680 | fn parse_should_ice(&self, line: &str) -> bool { |
681 | self.parse_name_directive(line, "should-ice") | |
682 | } | |
7cac9316 XL |
683 | fn parse_error_pattern(&self, line: &str) -> Option<String> { |
684 | self.parse_name_value_directive(line, "error-pattern") | |
685 | } | |
a7813a04 | 686 | |
7cac9316 XL |
687 | fn parse_forbid_output(&self, line: &str) -> Option<String> { |
688 | self.parse_name_value_directive(line, "forbid-output") | |
689 | } | |
a7813a04 | 690 | |
7cac9316 | 691 | fn parse_aux_build(&self, line: &str) -> Option<String> { |
dfeec247 | 692 | self.parse_name_value_directive(line, "aux-build").map(|r| r.trim().to_string()) |
7cac9316 | 693 | } |
a7813a04 | 694 | |
60c5eb7d XL |
695 | fn parse_aux_crate(&self, line: &str) -> Option<(String, String)> { |
696 | self.parse_name_value_directive(line, "aux-crate").map(|r| { | |
697 | let mut parts = r.trim().splitn(2, '='); | |
698 | ( | |
699 | parts.next().expect("aux-crate name").to_string(), | |
700 | parts.next().expect("aux-crate value").to_string(), | |
701 | ) | |
702 | }) | |
48663c56 XL |
703 | } |
704 | ||
7cac9316 XL |
705 | fn parse_compile_flags(&self, line: &str) -> Option<String> { |
706 | self.parse_name_value_directive(line, "compile-flags") | |
707 | } | |
a7813a04 | 708 | |
7cac9316 XL |
709 | fn parse_revisions(&self, line: &str) -> Option<Vec<String>> { |
710 | self.parse_name_value_directive(line, "revisions") | |
711 | .map(|r| r.split_whitespace().map(|t| t.to_string()).collect()) | |
712 | } | |
a7813a04 | 713 | |
7cac9316 XL |
714 | fn parse_run_flags(&self, line: &str) -> Option<String> { |
715 | self.parse_name_value_directive(line, "run-flags") | |
716 | } | |
a7813a04 | 717 | |
7cac9316 XL |
718 | fn parse_check_line(&self, line: &str) -> Option<String> { |
719 | self.parse_name_value_directive(line, "check") | |
720 | } | |
a7813a04 | 721 | |
7cac9316 XL |
722 | fn parse_force_host(&self, line: &str) -> bool { |
723 | self.parse_name_directive(line, "force-host") | |
724 | } | |
a7813a04 | 725 | |
7cac9316 XL |
726 | fn parse_build_aux_docs(&self, line: &str) -> bool { |
727 | self.parse_name_directive(line, "build-aux-docs") | |
728 | } | |
a7813a04 | 729 | |
7cac9316 XL |
730 | fn parse_check_stdout(&self, line: &str) -> bool { |
731 | self.parse_name_directive(line, "check-stdout") | |
732 | } | |
a7813a04 | 733 | |
e1599b0c XL |
734 | fn parse_check_run_results(&self, line: &str) -> bool { |
735 | self.parse_name_directive(line, "check-run-results") | |
736 | } | |
737 | ||
0bf4aa26 XL |
738 | fn parse_dont_check_compiler_stdout(&self, line: &str) -> bool { |
739 | self.parse_name_directive(line, "dont-check-compiler-stdout") | |
740 | } | |
741 | ||
742 | fn parse_dont_check_compiler_stderr(&self, line: &str) -> bool { | |
743 | self.parse_name_directive(line, "dont-check-compiler-stderr") | |
744 | } | |
745 | ||
7cac9316 XL |
746 | fn parse_no_prefer_dynamic(&self, line: &str) -> bool { |
747 | self.parse_name_directive(line, "no-prefer-dynamic") | |
748 | } | |
a7813a04 | 749 | |
7cac9316 XL |
750 | fn parse_pretty_expanded(&self, line: &str) -> bool { |
751 | self.parse_name_directive(line, "pretty-expanded") | |
752 | } | |
a7813a04 | 753 | |
7cac9316 XL |
754 | fn parse_pretty_mode(&self, line: &str) -> Option<String> { |
755 | self.parse_name_value_directive(line, "pretty-mode") | |
756 | } | |
a7813a04 | 757 | |
7cac9316 XL |
758 | fn parse_pretty_compare_only(&self, line: &str) -> bool { |
759 | self.parse_name_directive(line, "pretty-compare-only") | |
760 | } | |
9e0c209e | 761 | |
0531ce1d XL |
762 | fn parse_failure_status(&self, line: &str) -> Option<i32> { |
763 | match self.parse_name_value_directive(line, "failure-status") { | |
764 | Some(code) => code.trim().parse::<i32>().ok(), | |
765 | _ => None, | |
766 | } | |
767 | } | |
768 | ||
7cac9316 XL |
769 | fn parse_check_test_line_numbers_match(&self, line: &str) -> bool { |
770 | self.parse_name_directive(line, "check-test-line-numbers-match") | |
771 | } | |
8bb4bdeb | 772 | |
dc9dc135 XL |
773 | fn parse_ignore_pass(&self, line: &str) -> bool { |
774 | self.parse_name_directive(line, "ignore-pass") | |
83c7162d XL |
775 | } |
776 | ||
532ac7d7 | 777 | fn parse_assembly_output(&self, line: &str) -> Option<String> { |
dfeec247 | 778 | self.parse_name_value_directive(line, "assembly-output").map(|r| r.trim().to_string()) |
532ac7d7 XL |
779 | } |
780 | ||
7cac9316 XL |
781 | fn parse_env(&self, line: &str, name: &str) -> Option<(String, String)> { |
782 | self.parse_name_value_directive(line, name).map(|nv| { | |
783 | // nv is either FOO or FOO=BAR | |
94b46f34 | 784 | let mut strs: Vec<String> = nv.splitn(2, '=').map(str::to_owned).collect(); |
a7813a04 | 785 | |
7cac9316 | 786 | match strs.len() { |
b7449926 | 787 | 1 => (strs.pop().unwrap(), String::new()), |
7cac9316 XL |
788 | 2 => { |
789 | let end = strs.pop().unwrap(); | |
790 | (strs.pop().unwrap(), end) | |
791 | } | |
792 | n => panic!("Expected 1 or 2 strings, not {}", n), | |
5bcae85e | 793 | } |
7cac9316 XL |
794 | }) |
795 | } | |
a7813a04 | 796 | |
7cac9316 XL |
797 | fn parse_pp_exact(&self, line: &str, testfile: &Path) -> Option<PathBuf> { |
798 | if let Some(s) = self.parse_name_value_directive(line, "pp-exact") { | |
799 | Some(PathBuf::from(&s)) | |
041b39d2 XL |
800 | } else if self.parse_name_directive(line, "pp-exact") { |
801 | testfile.file_name().map(PathBuf::from) | |
a7813a04 | 802 | } else { |
041b39d2 XL |
803 | None |
804 | } | |
805 | } | |
806 | ||
807 | fn parse_custom_normalization(&self, mut line: &str, prefix: &str) -> Option<(String, String)> { | |
0bf4aa26 | 808 | if self.parse_cfg_name_directive(line, prefix) == ParsedNameDirective::Match { |
0731742a XL |
809 | let from = parse_normalization_string(&mut line)?; |
810 | let to = parse_normalization_string(&mut line)?; | |
041b39d2 XL |
811 | Some((from, to)) |
812 | } else { | |
813 | None | |
814 | } | |
815 | } | |
816 | ||
9fa01778 XL |
817 | fn parse_needs_matching_clang(&self, line: &str) -> bool { |
818 | self.parse_name_directive(line, "needs-matching-clang") | |
819 | } | |
820 | ||
48663c56 XL |
821 | fn parse_needs_profiler_support(&self, line: &str) -> bool { |
822 | self.parse_name_directive(line, "needs-profiler-support") | |
823 | } | |
824 | ||
0731742a | 825 | /// Parses a name-value directive which contains config-specific information, e.g., `ignore-x86` |
0bf4aa26 XL |
826 | /// or `normalize-stderr-32bit`. |
827 | fn parse_cfg_name_directive(&self, line: &str, prefix: &str) -> ParsedNameDirective { | |
dfeec247 XL |
828 | if !line.as_bytes().starts_with(prefix.as_bytes()) { |
829 | return ParsedNameDirective::NoMatch; | |
830 | } | |
831 | if line.as_bytes().get(prefix.len()) != Some(&b'-') { | |
832 | return ParsedNameDirective::NoMatch; | |
a7813a04 | 833 | } |
dfeec247 XL |
834 | |
835 | let name = line[prefix.len() + 1..].split(&[':', ' '][..]).next().unwrap(); | |
836 | ||
837 | let is_match = name == "test" || | |
3dfed10e | 838 | self.target == name || // triple |
dfeec247 XL |
839 | util::matches_os(&self.target, name) || // target |
840 | util::matches_env(&self.target, name) || // env | |
3dfed10e | 841 | self.target.ends_with(name) || // target and env |
dfeec247 XL |
842 | name == util::get_arch(&self.target) || // architecture |
843 | name == util::get_pointer_width(&self.target) || // pointer width | |
844 | name == self.stage_id.split('-').next().unwrap() || // stage | |
845 | (self.target != self.host && name == "cross-compile") || | |
3dfed10e | 846 | (name == "endian-big" && util::is_big_endian(&self.target)) || |
f035d41b | 847 | (self.remote_test_client.is_some() && name == "remote") || |
dfeec247 XL |
848 | match self.compare_mode { |
849 | Some(CompareMode::Nll) => name == "compare-mode-nll", | |
850 | Some(CompareMode::Polonius) => name == "compare-mode-polonius", | |
f035d41b | 851 | Some(CompareMode::Chalk) => name == "compare-mode-chalk", |
fc512014 XL |
852 | Some(CompareMode::SplitDwarf) => name == "compare-mode-split-dwarf", |
853 | Some(CompareMode::SplitDwarfSingle) => name == "compare-mode-split-dwarf-single", | |
dfeec247 XL |
854 | None => false, |
855 | } || | |
856 | (cfg!(debug_assertions) && name == "debug") || | |
857 | match self.debugger { | |
858 | Some(Debugger::Cdb) => name == "cdb", | |
859 | Some(Debugger::Gdb) => name == "gdb", | |
860 | Some(Debugger::Lldb) => name == "lldb", | |
861 | None => false, | |
862 | }; | |
863 | ||
864 | if is_match { ParsedNameDirective::Match } else { ParsedNameDirective::NoMatch } | |
a7813a04 | 865 | } |
a7813a04 | 866 | |
2c00a5a8 XL |
867 | fn has_cfg_prefix(&self, line: &str, prefix: &str) -> bool { |
868 | // returns whether this line contains this prefix or not. For prefix | |
869 | // "ignore", returns true if line says "ignore-x86_64", "ignore-arch", | |
83c7162d | 870 | // "ignore-android" etc. |
2c00a5a8 XL |
871 | line.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') |
872 | } | |
873 | ||
7cac9316 XL |
874 | fn parse_name_directive(&self, line: &str, directive: &str) -> bool { |
875 | // Ensure the directive is a whole word. Do not match "ignore-x86" when | |
876 | // the line says "ignore-x86_64". | |
dfeec247 | 877 | line.starts_with(directive) |
3dfed10e | 878 | && matches!(line.as_bytes().get(directive.len()), None | Some(&b' ') | Some(&b':')) |
7cac9316 | 879 | } |
a7813a04 | 880 | |
7cac9316 XL |
881 | pub fn parse_name_value_directive(&self, line: &str, directive: &str) -> Option<String> { |
882 | let colon = directive.len(); | |
883 | if line.starts_with(directive) && line.as_bytes().get(colon) == Some(&b':') { | |
94b46f34 | 884 | let value = line[(colon + 1)..].to_owned(); |
7cac9316 XL |
885 | debug!("{}: {}", directive, value); |
886 | Some(expand_variables(value, self)) | |
887 | } else { | |
888 | None | |
889 | } | |
a7813a04 | 890 | } |
abe05a73 XL |
891 | |
892 | pub fn find_rust_src_root(&self) -> Option<PathBuf> { | |
893 | let mut path = self.src_base.clone(); | |
894 | let path_postfix = Path::new("src/etc/lldb_batchmode.py"); | |
895 | ||
896 | while path.pop() { | |
897 | if path.join(&path_postfix).is_file() { | |
898 | return Some(path); | |
899 | } | |
900 | } | |
901 | ||
902 | None | |
903 | } | |
83c7162d XL |
904 | |
905 | fn parse_run_rustfix(&self, line: &str) -> bool { | |
906 | self.parse_name_directive(line, "run-rustfix") | |
907 | } | |
8faf50e0 | 908 | |
b7449926 XL |
909 | fn parse_rustfix_only_machine_applicable(&self, line: &str) -> bool { |
910 | self.parse_name_directive(line, "rustfix-only-machine-applicable") | |
911 | } | |
912 | ||
8faf50e0 XL |
913 | fn parse_edition(&self, line: &str) -> Option<String> { |
914 | self.parse_name_value_directive(line, "edition") | |
915 | } | |
a7813a04 XL |
916 | } |
917 | ||
7cac9316 | 918 | fn expand_variables(mut value: String, config: &Config) -> String { |
3dfed10e XL |
919 | const CWD: &str = "{{cwd}}"; |
920 | const SRC_BASE: &str = "{{src-base}}"; | |
921 | const BUILD_BASE: &str = "{{build-base}}"; | |
7cac9316 XL |
922 | |
923 | if value.contains(CWD) { | |
924 | let cwd = env::current_dir().unwrap(); | |
925 | value = value.replace(CWD, &cwd.to_string_lossy()); | |
926 | } | |
927 | ||
928 | if value.contains(SRC_BASE) { | |
929 | value = value.replace(SRC_BASE, &config.src_base.to_string_lossy()); | |
930 | } | |
931 | ||
932 | if value.contains(BUILD_BASE) { | |
933 | value = value.replace(BUILD_BASE, &config.build_base.to_string_lossy()); | |
934 | } | |
935 | ||
936 | value | |
937 | } | |
041b39d2 XL |
938 | |
939 | /// Finds the next quoted string `"..."` in `line`, and extract the content from it. Move the `line` | |
940 | /// variable after the end of the quoted string. | |
941 | /// | |
942 | /// # Examples | |
943 | /// | |
944 | /// ``` | |
945 | /// let mut s = "normalize-stderr-32bit: \"something (32 bits)\" -> \"something ($WORD bits)\"."; | |
946 | /// let first = parse_normalization_string(&mut s); | |
947 | /// assert_eq!(first, Some("something (32 bits)".to_owned())); | |
948 | /// assert_eq!(s, " -> \"something ($WORD bits)\"."); | |
949 | /// ``` | |
950 | fn parse_normalization_string(line: &mut &str) -> Option<String> { | |
951 | // FIXME support escapes in strings. | |
0731742a XL |
952 | let begin = line.find('"')? + 1; |
953 | let end = line[begin..].find('"')? + begin; | |
041b39d2 | 954 | let result = line[begin..end].to_owned(); |
94b46f34 | 955 | *line = &line[end + 1..]; |
041b39d2 XL |
956 | Some(result) |
957 | } | |
3dfed10e XL |
958 | |
959 | pub fn extract_llvm_version(version: &str) -> Option<u32> { | |
960 | let version_without_suffix = version.trim_end_matches("git").split('-').next().unwrap(); | |
961 | let components: Vec<u32> = version_without_suffix | |
962 | .split('.') | |
963 | .map(|s| s.parse().expect("Malformed version component")) | |
964 | .collect(); | |
965 | let version = match *components { | |
966 | [a] => a * 10_000, | |
967 | [a, b] => a * 10_000 + b * 100, | |
968 | [a, b, c] => a * 10_000 + b * 100 + c, | |
969 | _ => panic!("Malformed version"), | |
970 | }; | |
971 | Some(version) | |
972 | } | |
973 | ||
974 | // Takes a directive of the form "<version1> [- <version2>]", | |
975 | // returns the numeric representation of <version1> and <version2> as | |
976 | // tuple: (<version1> as u32, <version2> as u32) | |
977 | // If the <version2> part is omitted, the second component of the tuple | |
978 | // is the same as <version1>. | |
979 | fn extract_version_range<F>(line: &str, parse: F) -> Option<(u32, u32)> | |
980 | where | |
981 | F: Fn(&str) -> Option<u32>, | |
982 | { | |
983 | let mut splits = line.splitn(2, "- ").map(str::trim); | |
984 | let min = splits.next().unwrap(); | |
985 | if min.ends_with('-') { | |
986 | return None; | |
987 | } | |
988 | ||
989 | let max = splits.next(); | |
990 | ||
991 | if min.is_empty() { | |
992 | return None; | |
993 | } | |
994 | ||
995 | let min = parse(min)?; | |
996 | let max = match max { | |
997 | Some(max) if max.is_empty() => return None, | |
998 | Some(max) => parse(max)?, | |
999 | _ => min, | |
1000 | }; | |
1001 | ||
1002 | Some((min, max)) | |
1003 | } |