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a7813a04 XL |
1 | // Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | use std::env; | |
12 | use std::fs::File; | |
13 | use std::io::BufReader; | |
14 | use std::io::prelude::*; | |
15 | use std::path::{Path, PathBuf}; | |
16 | ||
17 | use common::Config; | |
18 | use common; | |
19 | use util; | |
20 | ||
c30ab7b3 SL |
21 | use extract_gdb_version; |
22 | ||
a7813a04 XL |
23 | /// Properties which must be known very early, before actually running |
24 | /// the test. | |
25 | pub struct EarlyProps { | |
26 | pub ignore: bool, | |
27 | pub should_fail: bool, | |
8bb4bdeb | 28 | pub aux: Vec<String>, |
ff7c6d11 | 29 | pub revisions: Vec<String>, |
a7813a04 XL |
30 | } |
31 | ||
32 | impl EarlyProps { | |
33 | pub fn from_file(config: &Config, testfile: &Path) -> Self { | |
34 | let mut props = EarlyProps { | |
35 | ignore: false, | |
36 | should_fail: false, | |
8bb4bdeb | 37 | aux: Vec::new(), |
ff7c6d11 | 38 | revisions: vec![], |
a7813a04 XL |
39 | }; |
40 | ||
5bcae85e SL |
41 | iter_header(testfile, |
42 | None, | |
43 | &mut |ln| { | |
2c00a5a8 XL |
44 | // we should check if any only-<platform> exists and if it exists |
45 | // and does not matches the current platform, skip the test | |
a7813a04 | 46 | props.ignore = |
041b39d2 XL |
47 | props.ignore || |
48 | config.parse_cfg_name_directive(ln, "ignore") || | |
2c00a5a8 XL |
49 | (config.has_cfg_prefix(ln, "only") && |
50 | !config.parse_cfg_name_directive(ln, "only")) || | |
9e0c209e SL |
51 | ignore_gdb(config, ln) || |
52 | ignore_lldb(config, ln) || | |
53 | ignore_llvm(config, ln); | |
a7813a04 | 54 | |
7cac9316 | 55 | if let Some(s) = config.parse_aux_build(ln) { |
8bb4bdeb XL |
56 | props.aux.push(s); |
57 | } | |
58 | ||
ff7c6d11 XL |
59 | if let Some(r) = config.parse_revisions(ln) { |
60 | props.revisions.extend(r); | |
61 | } | |
62 | ||
7cac9316 | 63 | props.should_fail = props.should_fail || config.parse_name_directive(ln, "should-fail"); |
a7813a04 XL |
64 | }); |
65 | ||
66 | return props; | |
67 | ||
a7813a04 XL |
68 | fn ignore_gdb(config: &Config, line: &str) -> bool { |
69 | if config.mode != common::DebugInfoGdb { | |
70 | return false; | |
71 | } | |
72 | ||
c30ab7b3 | 73 | if let Some(actual_version) = config.gdb_version { |
7cac9316 | 74 | if line.starts_with("min-gdb-version") { |
32a655c1 SL |
75 | let (start_ver, end_ver) = extract_gdb_version_range(line); |
76 | ||
77 | if start_ver != end_ver { | |
78 | panic!("Expected single GDB version") | |
79 | } | |
a7813a04 XL |
80 | // Ignore if actual version is smaller the minimum required |
81 | // version | |
32a655c1 | 82 | actual_version < start_ver |
7cac9316 | 83 | } else if line.starts_with("ignore-gdb-version") { |
32a655c1 SL |
84 | let (min_version, max_version) = extract_gdb_version_range(line); |
85 | ||
86 | if max_version < min_version { | |
87 | panic!("Malformed GDB version range: max < min") | |
88 | } | |
89 | ||
90 | actual_version >= min_version && actual_version <= max_version | |
a7813a04 XL |
91 | } else { |
92 | false | |
93 | } | |
94 | } else { | |
95 | false | |
96 | } | |
97 | } | |
98 | ||
32a655c1 SL |
99 | // Takes a directive of the form "ignore-gdb-version <version1> [- <version2>]", |
100 | // returns the numeric representation of <version1> and <version2> as | |
101 | // tuple: (<version1> as u32, <version2> as u32) | |
102 | // If the <version2> part is omitted, the second component of the tuple | |
103 | // is the same as <version1>. | |
104 | fn extract_gdb_version_range(line: &str) -> (u32, u32) { | |
105 | const ERROR_MESSAGE: &'static str = "Malformed GDB version directive"; | |
106 | ||
7cac9316 XL |
107 | let range_components = line.split(&[' ', '-'][..]) |
108 | .filter(|word| !word.is_empty()) | |
109 | .map(extract_gdb_version) | |
110 | .skip_while(Option::is_none) | |
111 | .take(3) // 3 or more = invalid, so take at most 3. | |
112 | .collect::<Vec<Option<u32>>>(); | |
32a655c1 SL |
113 | |
114 | match range_components.len() { | |
115 | 1 => { | |
7cac9316 | 116 | let v = range_components[0].unwrap(); |
32a655c1 SL |
117 | (v, v) |
118 | } | |
119 | 2 => { | |
7cac9316 XL |
120 | let v_min = range_components[0].unwrap(); |
121 | let v_max = range_components[1].expect(ERROR_MESSAGE); | |
32a655c1 SL |
122 | (v_min, v_max) |
123 | } | |
124 | _ => panic!(ERROR_MESSAGE), | |
125 | } | |
126 | } | |
127 | ||
a7813a04 XL |
128 | fn ignore_lldb(config: &Config, line: &str) -> bool { |
129 | if config.mode != common::DebugInfoLldb { | |
130 | return false; | |
131 | } | |
132 | ||
a7813a04 | 133 | if let Some(ref actual_version) = config.lldb_version { |
7cac9316 XL |
134 | if line.starts_with("min-lldb-version") { |
135 | let min_version = line.trim_right() | |
136 | .rsplit(' ') | |
137 | .next() | |
5bcae85e | 138 | .expect("Malformed lldb version directive"); |
a7813a04 XL |
139 | // Ignore if actual version is smaller the minimum required |
140 | // version | |
5bcae85e | 141 | lldb_version_to_int(actual_version) < lldb_version_to_int(min_version) |
a7813a04 XL |
142 | } else { |
143 | false | |
144 | } | |
145 | } else { | |
146 | false | |
147 | } | |
148 | } | |
9e0c209e SL |
149 | |
150 | fn ignore_llvm(config: &Config, line: &str) -> bool { | |
041b39d2 XL |
151 | if config.system_llvm && line.starts_with("no-system-llvm") { |
152 | return true; | |
153 | } | |
9e0c209e | 154 | if let Some(ref actual_version) = config.llvm_version { |
7cac9316 XL |
155 | if line.starts_with("min-llvm-version") { |
156 | let min_version = line.trim_right() | |
157 | .rsplit(' ') | |
158 | .next() | |
9e0c209e SL |
159 | .expect("Malformed llvm version directive"); |
160 | // Ignore if actual version is smaller the minimum required | |
161 | // version | |
162 | &actual_version[..] < min_version | |
abe05a73 XL |
163 | } else if line.starts_with("min-system-llvm-version") { |
164 | let min_version = line.trim_right() | |
165 | .rsplit(' ') | |
166 | .next() | |
167 | .expect("Malformed llvm version directive"); | |
168 | // Ignore if using system LLVM and actual version | |
169 | // is smaller the minimum required version | |
2c00a5a8 | 170 | config.system_llvm && &actual_version[..] < min_version |
9e0c209e SL |
171 | } else { |
172 | false | |
173 | } | |
174 | } else { | |
175 | false | |
176 | } | |
177 | } | |
a7813a04 XL |
178 | } |
179 | } | |
180 | ||
181 | #[derive(Clone, Debug)] | |
182 | pub struct TestProps { | |
183 | // Lines that should be expected, in order, on standard out | |
5bcae85e | 184 | pub error_patterns: Vec<String>, |
a7813a04 XL |
185 | // Extra flags to pass to the compiler |
186 | pub compile_flags: Vec<String>, | |
187 | // Extra flags to pass when the compiled code is run (such as --bench) | |
188 | pub run_flags: Option<String>, | |
189 | // If present, the name of a file that this test should match when | |
190 | // pretty-printed | |
191 | pub pp_exact: Option<PathBuf>, | |
192 | // Other crates that should be compiled (typically from the same | |
193 | // directory as the test, but for backwards compatibility reasons | |
194 | // we also check the auxiliary directory) | |
5bcae85e | 195 | pub aux_builds: Vec<String>, |
a7813a04 | 196 | // Environment settings to use for compiling |
5bcae85e | 197 | pub rustc_env: Vec<(String, String)>, |
a7813a04 | 198 | // Environment settings to use during execution |
5bcae85e | 199 | pub exec_env: Vec<(String, String)>, |
a7813a04 | 200 | // Lines to check if they appear in the expected debugger output |
5bcae85e | 201 | pub check_lines: Vec<String>, |
a7813a04 XL |
202 | // Build documentation for all specified aux-builds as well |
203 | pub build_aux_docs: bool, | |
204 | // Flag to force a crate to be built with the host architecture | |
205 | pub force_host: bool, | |
206 | // Check stdout for error-pattern output as well as stderr | |
207 | pub check_stdout: bool, | |
208 | // Don't force a --crate-type=dylib flag on the command line | |
209 | pub no_prefer_dynamic: bool, | |
210 | // Run --pretty expanded when running pretty printing tests | |
211 | pub pretty_expanded: bool, | |
212 | // Which pretty mode are we testing with, default to 'normal' | |
213 | pub pretty_mode: String, | |
214 | // Only compare pretty output and don't try compiling | |
215 | pub pretty_compare_only: bool, | |
216 | // Patterns which must not appear in the output of a cfail test. | |
217 | pub forbid_output: Vec<String>, | |
218 | // Revisions to test for incremental compilation. | |
219 | pub revisions: Vec<String>, | |
220 | // Directory (if any) to use for incremental compilation. This is | |
221 | // not set by end-users; rather it is set by the incremental | |
222 | // testing harness and used when generating compilation | |
223 | // arguments. (In particular, it propagates to the aux-builds.) | |
224 | pub incremental_dir: Option<PathBuf>, | |
ff7c6d11 | 225 | // Specifies that a test must actually compile without errors. |
83c7162d | 226 | pub compile_pass: bool, |
8bb4bdeb XL |
227 | // rustdoc will test the output of the `--test` option |
228 | pub check_test_line_numbers_match: bool, | |
0531ce1d | 229 | // The test must be compiled and run successfully. Only used in UI tests for now. |
7cac9316 | 230 | pub run_pass: bool, |
83c7162d XL |
231 | // Skip any codegen step and running the executable. Only for run-pass. |
232 | pub skip_trans: bool, | |
0531ce1d XL |
233 | // Do not pass `-Z ui-testing` to UI tests |
234 | pub disable_ui_testing_normalization: bool, | |
041b39d2 XL |
235 | // customized normalization rules |
236 | pub normalize_stdout: Vec<(String, String)>, | |
237 | pub normalize_stderr: Vec<(String, String)>, | |
0531ce1d | 238 | pub failure_status: i32, |
83c7162d | 239 | pub run_rustfix: bool, |
a7813a04 XL |
240 | } |
241 | ||
242 | impl TestProps { | |
243 | pub fn new() -> Self { | |
a7813a04 | 244 | TestProps { |
9e0c209e | 245 | error_patterns: vec![], |
a7813a04 | 246 | compile_flags: vec![], |
9e0c209e SL |
247 | run_flags: None, |
248 | pp_exact: None, | |
249 | aux_builds: vec![], | |
a7813a04 XL |
250 | revisions: vec![], |
251 | rustc_env: vec![], | |
9e0c209e SL |
252 | exec_env: vec![], |
253 | check_lines: vec![], | |
254 | build_aux_docs: false, | |
255 | force_host: false, | |
256 | check_stdout: false, | |
257 | no_prefer_dynamic: false, | |
258 | pretty_expanded: false, | |
041b39d2 | 259 | pretty_mode: "normal".to_string(), |
9e0c209e SL |
260 | pretty_compare_only: false, |
261 | forbid_output: vec![], | |
a7813a04 | 262 | incremental_dir: None, |
83c7162d | 263 | compile_pass: false, |
8bb4bdeb | 264 | check_test_line_numbers_match: false, |
7cac9316 | 265 | run_pass: false, |
83c7162d | 266 | skip_trans: false, |
0531ce1d | 267 | disable_ui_testing_normalization: false, |
041b39d2 XL |
268 | normalize_stdout: vec![], |
269 | normalize_stderr: vec![], | |
0531ce1d | 270 | failure_status: 101, |
83c7162d | 271 | run_rustfix: false, |
a7813a04 XL |
272 | } |
273 | } | |
274 | ||
7cac9316 XL |
275 | pub fn from_aux_file(&self, |
276 | testfile: &Path, | |
277 | cfg: Option<&str>, | |
278 | config: &Config) | |
279 | -> Self { | |
a7813a04 XL |
280 | let mut props = TestProps::new(); |
281 | ||
282 | // copy over select properties to the aux build: | |
283 | props.incremental_dir = self.incremental_dir.clone(); | |
7cac9316 | 284 | props.load_from(testfile, cfg, config); |
a7813a04 XL |
285 | |
286 | props | |
287 | } | |
288 | ||
abe05a73 | 289 | pub fn from_file(testfile: &Path, cfg: Option<&str>, config: &Config) -> Self { |
a7813a04 | 290 | let mut props = TestProps::new(); |
abe05a73 | 291 | props.load_from(testfile, cfg, config); |
a7813a04 XL |
292 | props |
293 | } | |
294 | ||
295 | /// Load properties from `testfile` into `props`. If a property is | |
296 | /// tied to a particular revision `foo` (indicated by writing | |
297 | /// `//[foo]`), then the property is ignored unless `cfg` is | |
298 | /// `Some("foo")`. | |
abe05a73 XL |
299 | fn load_from(&mut self, |
300 | testfile: &Path, | |
301 | cfg: Option<&str>, | |
302 | config: &Config) { | |
5bcae85e SL |
303 | iter_header(testfile, |
304 | cfg, | |
305 | &mut |ln| { | |
7cac9316 | 306 | if let Some(ep) = config.parse_error_pattern(ln) { |
a7813a04 XL |
307 | self.error_patterns.push(ep); |
308 | } | |
309 | ||
7cac9316 | 310 | if let Some(flags) = config.parse_compile_flags(ln) { |
5bcae85e SL |
311 | self.compile_flags.extend(flags.split_whitespace() |
312 | .map(|s| s.to_owned())); | |
a7813a04 XL |
313 | } |
314 | ||
7cac9316 | 315 | if let Some(r) = config.parse_revisions(ln) { |
a7813a04 XL |
316 | self.revisions.extend(r); |
317 | } | |
318 | ||
319 | if self.run_flags.is_none() { | |
7cac9316 | 320 | self.run_flags = config.parse_run_flags(ln); |
a7813a04 XL |
321 | } |
322 | ||
323 | if self.pp_exact.is_none() { | |
7cac9316 | 324 | self.pp_exact = config.parse_pp_exact(ln, testfile); |
a7813a04 XL |
325 | } |
326 | ||
327 | if !self.build_aux_docs { | |
7cac9316 | 328 | self.build_aux_docs = config.parse_build_aux_docs(ln); |
a7813a04 XL |
329 | } |
330 | ||
331 | if !self.force_host { | |
7cac9316 | 332 | self.force_host = config.parse_force_host(ln); |
a7813a04 XL |
333 | } |
334 | ||
335 | if !self.check_stdout { | |
7cac9316 | 336 | self.check_stdout = config.parse_check_stdout(ln); |
a7813a04 XL |
337 | } |
338 | ||
339 | if !self.no_prefer_dynamic { | |
7cac9316 | 340 | self.no_prefer_dynamic = config.parse_no_prefer_dynamic(ln); |
a7813a04 XL |
341 | } |
342 | ||
343 | if !self.pretty_expanded { | |
7cac9316 | 344 | self.pretty_expanded = config.parse_pretty_expanded(ln); |
a7813a04 XL |
345 | } |
346 | ||
7cac9316 | 347 | if let Some(m) = config.parse_pretty_mode(ln) { |
a7813a04 XL |
348 | self.pretty_mode = m; |
349 | } | |
350 | ||
351 | if !self.pretty_compare_only { | |
7cac9316 | 352 | self.pretty_compare_only = config.parse_pretty_compare_only(ln); |
a7813a04 XL |
353 | } |
354 | ||
7cac9316 | 355 | if let Some(ab) = config.parse_aux_build(ln) { |
a7813a04 XL |
356 | self.aux_builds.push(ab); |
357 | } | |
358 | ||
7cac9316 | 359 | if let Some(ee) = config.parse_env(ln, "exec-env") { |
a7813a04 XL |
360 | self.exec_env.push(ee); |
361 | } | |
362 | ||
7cac9316 | 363 | if let Some(ee) = config.parse_env(ln, "rustc-env") { |
a7813a04 XL |
364 | self.rustc_env.push(ee); |
365 | } | |
366 | ||
7cac9316 | 367 | if let Some(cl) = config.parse_check_line(ln) { |
a7813a04 XL |
368 | self.check_lines.push(cl); |
369 | } | |
370 | ||
7cac9316 | 371 | if let Some(of) = config.parse_forbid_output(ln) { |
a7813a04 XL |
372 | self.forbid_output.push(of); |
373 | } | |
9e0c209e | 374 | |
8bb4bdeb | 375 | if !self.check_test_line_numbers_match { |
7cac9316 XL |
376 | self.check_test_line_numbers_match = config.parse_check_test_line_numbers_match(ln); |
377 | } | |
378 | ||
379 | if !self.run_pass { | |
380 | self.run_pass = config.parse_run_pass(ln); | |
8bb4bdeb | 381 | } |
041b39d2 | 382 | |
83c7162d | 383 | if !self.compile_pass { |
ff7c6d11 | 384 | // run-pass implies must_compile_sucessfully |
83c7162d XL |
385 | self.compile_pass = |
386 | config.parse_compile_pass(ln) || self.run_pass; | |
ff7c6d11 XL |
387 | } |
388 | ||
83c7162d XL |
389 | if !self.skip_trans { |
390 | self.skip_trans = config.parse_skip_trans(ln); | |
391 | } | |
392 | ||
0531ce1d XL |
393 | if !self.disable_ui_testing_normalization { |
394 | self.disable_ui_testing_normalization = | |
395 | config.parse_disable_ui_testing_normalization(ln); | |
396 | } | |
397 | ||
041b39d2 XL |
398 | if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stdout") { |
399 | self.normalize_stdout.push(rule); | |
400 | } | |
401 | if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stderr") { | |
402 | self.normalize_stderr.push(rule); | |
403 | } | |
0531ce1d XL |
404 | |
405 | if let Some(code) = config.parse_failure_status(ln) { | |
406 | self.failure_status = code; | |
407 | } | |
83c7162d XL |
408 | |
409 | if !self.run_rustfix { | |
410 | self.run_rustfix = config.parse_run_rustfix(ln); | |
411 | } | |
a7813a04 XL |
412 | }); |
413 | ||
041b39d2 XL |
414 | for key in &["RUST_TEST_NOCAPTURE", "RUST_TEST_THREADS"] { |
415 | if let Ok(val) = env::var(key) { | |
416 | if self.exec_env.iter().find(|&&(ref x, _)| x == key).is_none() { | |
417 | self.exec_env.push(((*key).to_owned(), val)) | |
5bcae85e | 418 | } |
a7813a04 XL |
419 | } |
420 | } | |
421 | } | |
422 | } | |
423 | ||
5bcae85e | 424 | fn iter_header(testfile: &Path, cfg: Option<&str>, it: &mut FnMut(&str)) { |
a7813a04 | 425 | if testfile.is_dir() { |
5bcae85e | 426 | return; |
a7813a04 | 427 | } |
83c7162d XL |
428 | |
429 | let comment = if testfile.to_string_lossy().ends_with(".rs") { | |
430 | "//" | |
431 | } else { | |
432 | "#" | |
433 | }; | |
434 | ||
435 | let comment_with_brace = comment.to_string() + "["; | |
436 | ||
a7813a04 XL |
437 | let rdr = BufReader::new(File::open(testfile).unwrap()); |
438 | for ln in rdr.lines() { | |
439 | // Assume that any directives will be found before the first | |
440 | // module or function. This doesn't seem to be an optimization | |
441 | // with a warm page cache. Maybe with a cold one. | |
442 | let ln = ln.unwrap(); | |
443 | let ln = ln.trim(); | |
444 | if ln.starts_with("fn") || ln.starts_with("mod") { | |
445 | return; | |
83c7162d | 446 | } else if ln.starts_with(&comment_with_brace) { |
a7813a04 | 447 | // A comment like `//[foo]` is specific to revision `foo` |
041b39d2 | 448 | if let Some(close_brace) = ln.find(']') { |
83c7162d XL |
449 | let open_brace = ln.find('[').unwrap(); |
450 | let lncfg = &ln[open_brace + 1 .. close_brace]; | |
a7813a04 XL |
451 | let matches = match cfg { |
452 | Some(s) => s == &lncfg[..], | |
453 | None => false, | |
454 | }; | |
455 | if matches { | |
7cac9316 | 456 | it(ln[(close_brace + 1) ..].trim_left()); |
a7813a04 XL |
457 | } |
458 | } else { | |
83c7162d XL |
459 | panic!("malformed condition directive: expected `{}foo]`, found `{}`", |
460 | comment_with_brace, ln) | |
a7813a04 | 461 | } |
83c7162d XL |
462 | } else if ln.starts_with(comment) { |
463 | it(ln[comment.len() ..].trim_left()); | |
a7813a04 XL |
464 | } |
465 | } | |
466 | return; | |
467 | } | |
468 | ||
7cac9316 | 469 | impl Config { |
7cac9316 XL |
470 | fn parse_error_pattern(&self, line: &str) -> Option<String> { |
471 | self.parse_name_value_directive(line, "error-pattern") | |
472 | } | |
a7813a04 | 473 | |
7cac9316 XL |
474 | fn parse_forbid_output(&self, line: &str) -> Option<String> { |
475 | self.parse_name_value_directive(line, "forbid-output") | |
476 | } | |
a7813a04 | 477 | |
7cac9316 XL |
478 | fn parse_aux_build(&self, line: &str) -> Option<String> { |
479 | self.parse_name_value_directive(line, "aux-build") | |
480 | } | |
a7813a04 | 481 | |
7cac9316 XL |
482 | fn parse_compile_flags(&self, line: &str) -> Option<String> { |
483 | self.parse_name_value_directive(line, "compile-flags") | |
484 | } | |
a7813a04 | 485 | |
7cac9316 XL |
486 | fn parse_revisions(&self, line: &str) -> Option<Vec<String>> { |
487 | self.parse_name_value_directive(line, "revisions") | |
488 | .map(|r| r.split_whitespace().map(|t| t.to_string()).collect()) | |
489 | } | |
a7813a04 | 490 | |
7cac9316 XL |
491 | fn parse_run_flags(&self, line: &str) -> Option<String> { |
492 | self.parse_name_value_directive(line, "run-flags") | |
493 | } | |
a7813a04 | 494 | |
7cac9316 XL |
495 | fn parse_check_line(&self, line: &str) -> Option<String> { |
496 | self.parse_name_value_directive(line, "check") | |
497 | } | |
a7813a04 | 498 | |
7cac9316 XL |
499 | fn parse_force_host(&self, line: &str) -> bool { |
500 | self.parse_name_directive(line, "force-host") | |
501 | } | |
a7813a04 | 502 | |
7cac9316 XL |
503 | fn parse_build_aux_docs(&self, line: &str) -> bool { |
504 | self.parse_name_directive(line, "build-aux-docs") | |
505 | } | |
a7813a04 | 506 | |
7cac9316 XL |
507 | fn parse_check_stdout(&self, line: &str) -> bool { |
508 | self.parse_name_directive(line, "check-stdout") | |
509 | } | |
a7813a04 | 510 | |
7cac9316 XL |
511 | fn parse_no_prefer_dynamic(&self, line: &str) -> bool { |
512 | self.parse_name_directive(line, "no-prefer-dynamic") | |
513 | } | |
a7813a04 | 514 | |
7cac9316 XL |
515 | fn parse_pretty_expanded(&self, line: &str) -> bool { |
516 | self.parse_name_directive(line, "pretty-expanded") | |
517 | } | |
a7813a04 | 518 | |
7cac9316 XL |
519 | fn parse_pretty_mode(&self, line: &str) -> Option<String> { |
520 | self.parse_name_value_directive(line, "pretty-mode") | |
521 | } | |
a7813a04 | 522 | |
7cac9316 XL |
523 | fn parse_pretty_compare_only(&self, line: &str) -> bool { |
524 | self.parse_name_directive(line, "pretty-compare-only") | |
525 | } | |
9e0c209e | 526 | |
0531ce1d XL |
527 | fn parse_failure_status(&self, line: &str) -> Option<i32> { |
528 | match self.parse_name_value_directive(line, "failure-status") { | |
529 | Some(code) => code.trim().parse::<i32>().ok(), | |
530 | _ => None, | |
531 | } | |
532 | } | |
533 | ||
83c7162d XL |
534 | fn parse_compile_pass(&self, line: &str) -> bool { |
535 | self.parse_name_directive(line, "compile-pass") | |
7cac9316 XL |
536 | } |
537 | ||
0531ce1d XL |
538 | fn parse_disable_ui_testing_normalization(&self, line: &str) -> bool { |
539 | self.parse_name_directive(line, "disable-ui-testing-normalization") | |
540 | } | |
541 | ||
7cac9316 XL |
542 | fn parse_check_test_line_numbers_match(&self, line: &str) -> bool { |
543 | self.parse_name_directive(line, "check-test-line-numbers-match") | |
544 | } | |
8bb4bdeb | 545 | |
7cac9316 XL |
546 | fn parse_run_pass(&self, line: &str) -> bool { |
547 | self.parse_name_directive(line, "run-pass") | |
548 | } | |
549 | ||
83c7162d XL |
550 | fn parse_skip_trans(&self, line: &str) -> bool { |
551 | self.parse_name_directive(line, "skip-trans") | |
552 | } | |
553 | ||
7cac9316 XL |
554 | fn parse_env(&self, line: &str, name: &str) -> Option<(String, String)> { |
555 | self.parse_name_value_directive(line, name).map(|nv| { | |
556 | // nv is either FOO or FOO=BAR | |
557 | let mut strs: Vec<String> = nv.splitn(2, '=') | |
558 | .map(str::to_owned) | |
559 | .collect(); | |
a7813a04 | 560 | |
7cac9316 XL |
561 | match strs.len() { |
562 | 1 => (strs.pop().unwrap(), "".to_owned()), | |
563 | 2 => { | |
564 | let end = strs.pop().unwrap(); | |
565 | (strs.pop().unwrap(), end) | |
566 | } | |
567 | n => panic!("Expected 1 or 2 strings, not {}", n), | |
5bcae85e | 568 | } |
7cac9316 XL |
569 | }) |
570 | } | |
a7813a04 | 571 | |
7cac9316 XL |
572 | fn parse_pp_exact(&self, line: &str, testfile: &Path) -> Option<PathBuf> { |
573 | if let Some(s) = self.parse_name_value_directive(line, "pp-exact") { | |
574 | Some(PathBuf::from(&s)) | |
041b39d2 XL |
575 | } else if self.parse_name_directive(line, "pp-exact") { |
576 | testfile.file_name().map(PathBuf::from) | |
a7813a04 | 577 | } else { |
041b39d2 XL |
578 | None |
579 | } | |
580 | } | |
581 | ||
582 | fn parse_custom_normalization(&self, mut line: &str, prefix: &str) -> Option<(String, String)> { | |
583 | if self.parse_cfg_name_directive(line, prefix) { | |
584 | let from = match parse_normalization_string(&mut line) { | |
585 | Some(s) => s, | |
586 | None => return None, | |
587 | }; | |
588 | let to = match parse_normalization_string(&mut line) { | |
589 | Some(s) => s, | |
590 | None => return None, | |
591 | }; | |
592 | Some((from, to)) | |
593 | } else { | |
594 | None | |
595 | } | |
596 | } | |
597 | ||
598 | /// Parses a name-value directive which contains config-specific information, e.g. `ignore-x86` | |
599 | /// or `normalize-stderr-32bit`. Returns `true` if the line matches it. | |
600 | fn parse_cfg_name_directive(&self, line: &str, prefix: &str) -> bool { | |
601 | if line.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') { | |
602 | let name = line[prefix.len()+1 ..].split(&[':', ' '][..]).next().unwrap(); | |
603 | ||
604 | name == "test" || | |
abe05a73 | 605 | util::matches_os(&self.target, name) || // target |
041b39d2 XL |
606 | name == util::get_arch(&self.target) || // architecture |
607 | name == util::get_pointer_width(&self.target) || // pointer width | |
608 | name == self.stage_id.split('-').next().unwrap() || // stage | |
609 | Some(name) == util::get_env(&self.target) || // env | |
610 | match self.mode { | |
611 | common::DebugInfoGdb => name == "gdb", | |
612 | common::DebugInfoLldb => name == "lldb", | |
613 | common::Pretty => name == "pretty", | |
614 | _ => false, | |
615 | } || | |
616 | (self.target != self.host && name == "cross-compile") | |
617 | } else { | |
618 | false | |
a7813a04 XL |
619 | } |
620 | } | |
a7813a04 | 621 | |
2c00a5a8 XL |
622 | fn has_cfg_prefix(&self, line: &str, prefix: &str) -> bool { |
623 | // returns whether this line contains this prefix or not. For prefix | |
624 | // "ignore", returns true if line says "ignore-x86_64", "ignore-arch", | |
83c7162d | 625 | // "ignore-android" etc. |
2c00a5a8 XL |
626 | line.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') |
627 | } | |
628 | ||
7cac9316 XL |
629 | fn parse_name_directive(&self, line: &str, directive: &str) -> bool { |
630 | // Ensure the directive is a whole word. Do not match "ignore-x86" when | |
631 | // the line says "ignore-x86_64". | |
632 | line.starts_with(directive) && match line.as_bytes().get(directive.len()) { | |
633 | None | Some(&b' ') | Some(&b':') => true, | |
634 | _ => false | |
635 | } | |
636 | } | |
a7813a04 | 637 | |
7cac9316 XL |
638 | pub fn parse_name_value_directive(&self, line: &str, directive: &str) -> Option<String> { |
639 | let colon = directive.len(); | |
640 | if line.starts_with(directive) && line.as_bytes().get(colon) == Some(&b':') { | |
641 | let value = line[(colon + 1) ..].to_owned(); | |
642 | debug!("{}: {}", directive, value); | |
643 | Some(expand_variables(value, self)) | |
644 | } else { | |
645 | None | |
646 | } | |
a7813a04 | 647 | } |
abe05a73 XL |
648 | |
649 | pub fn find_rust_src_root(&self) -> Option<PathBuf> { | |
650 | let mut path = self.src_base.clone(); | |
651 | let path_postfix = Path::new("src/etc/lldb_batchmode.py"); | |
652 | ||
653 | while path.pop() { | |
654 | if path.join(&path_postfix).is_file() { | |
655 | return Some(path); | |
656 | } | |
657 | } | |
658 | ||
659 | None | |
660 | } | |
83c7162d XL |
661 | |
662 | fn parse_run_rustfix(&self, line: &str) -> bool { | |
663 | self.parse_name_directive(line, "run-rustfix") | |
664 | } | |
a7813a04 XL |
665 | } |
666 | ||
a7813a04 | 667 | pub fn lldb_version_to_int(version_string: &str) -> isize { |
5bcae85e SL |
668 | let error_string = format!("Encountered LLDB version string with unexpected format: {}", |
669 | version_string); | |
041b39d2 | 670 | version_string.parse().expect(&error_string) |
a7813a04 | 671 | } |
7cac9316 XL |
672 | |
673 | fn expand_variables(mut value: String, config: &Config) -> String { | |
674 | const CWD: &'static str = "{{cwd}}"; | |
675 | const SRC_BASE: &'static str = "{{src-base}}"; | |
676 | const BUILD_BASE: &'static str = "{{build-base}}"; | |
677 | ||
678 | if value.contains(CWD) { | |
679 | let cwd = env::current_dir().unwrap(); | |
680 | value = value.replace(CWD, &cwd.to_string_lossy()); | |
681 | } | |
682 | ||
683 | if value.contains(SRC_BASE) { | |
684 | value = value.replace(SRC_BASE, &config.src_base.to_string_lossy()); | |
685 | } | |
686 | ||
687 | if value.contains(BUILD_BASE) { | |
688 | value = value.replace(BUILD_BASE, &config.build_base.to_string_lossy()); | |
689 | } | |
690 | ||
691 | value | |
692 | } | |
041b39d2 XL |
693 | |
694 | /// Finds the next quoted string `"..."` in `line`, and extract the content from it. Move the `line` | |
695 | /// variable after the end of the quoted string. | |
696 | /// | |
697 | /// # Examples | |
698 | /// | |
699 | /// ``` | |
700 | /// let mut s = "normalize-stderr-32bit: \"something (32 bits)\" -> \"something ($WORD bits)\"."; | |
701 | /// let first = parse_normalization_string(&mut s); | |
702 | /// assert_eq!(first, Some("something (32 bits)".to_owned())); | |
703 | /// assert_eq!(s, " -> \"something ($WORD bits)\"."); | |
704 | /// ``` | |
705 | fn parse_normalization_string(line: &mut &str) -> Option<String> { | |
706 | // FIXME support escapes in strings. | |
707 | let begin = match line.find('"') { | |
708 | Some(i) => i + 1, | |
709 | None => return None, | |
710 | }; | |
711 | let end = match line[begin..].find('"') { | |
712 | Some(i) => i + begin, | |
713 | None => return None, | |
714 | }; | |
715 | let result = line[begin..end].to_owned(); | |
716 | *line = &line[end+1..]; | |
717 | Some(result) | |
718 | } |