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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; | |
a7813a04 | 13 | use std::io::prelude::*; |
94b46f34 | 14 | use std::io::BufReader; |
a7813a04 XL |
15 | use std::path::{Path, PathBuf}; |
16 | ||
a7813a04 | 17 | use common; |
74d20737 | 18 | use common::{Config, Mode}; |
a7813a04 XL |
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 | ||
94b46f34 | 41 | iter_header(testfile, None, &mut |ln| { |
2c00a5a8 XL |
42 | // we should check if any only-<platform> exists and if it exists |
43 | // and does not matches the current platform, skip the test | |
94b46f34 XL |
44 | props.ignore = props.ignore || config.parse_cfg_name_directive(ln, "ignore") |
45 | || (config.has_cfg_prefix(ln, "only") | |
46 | && !config.parse_cfg_name_directive(ln, "only")) | |
47 | || ignore_gdb(config, ln) || ignore_lldb(config, ln) | |
48 | || ignore_llvm(config, ln); | |
a7813a04 | 49 | |
7cac9316 | 50 | if let Some(s) = config.parse_aux_build(ln) { |
8bb4bdeb XL |
51 | props.aux.push(s); |
52 | } | |
53 | ||
ff7c6d11 XL |
54 | if let Some(r) = config.parse_revisions(ln) { |
55 | props.revisions.extend(r); | |
56 | } | |
57 | ||
7cac9316 | 58 | props.should_fail = props.should_fail || config.parse_name_directive(ln, "should-fail"); |
a7813a04 XL |
59 | }); |
60 | ||
61 | return props; | |
62 | ||
a7813a04 XL |
63 | fn ignore_gdb(config: &Config, line: &str) -> bool { |
64 | if config.mode != common::DebugInfoGdb { | |
65 | return false; | |
66 | } | |
67 | ||
c30ab7b3 | 68 | if let Some(actual_version) = config.gdb_version { |
7cac9316 | 69 | if line.starts_with("min-gdb-version") { |
32a655c1 SL |
70 | let (start_ver, end_ver) = extract_gdb_version_range(line); |
71 | ||
72 | if start_ver != end_ver { | |
73 | panic!("Expected single GDB version") | |
74 | } | |
a7813a04 XL |
75 | // Ignore if actual version is smaller the minimum required |
76 | // version | |
32a655c1 | 77 | actual_version < start_ver |
7cac9316 | 78 | } else if line.starts_with("ignore-gdb-version") { |
32a655c1 SL |
79 | let (min_version, max_version) = extract_gdb_version_range(line); |
80 | ||
81 | if max_version < min_version { | |
82 | panic!("Malformed GDB version range: max < min") | |
83 | } | |
84 | ||
85 | actual_version >= min_version && actual_version <= max_version | |
a7813a04 XL |
86 | } else { |
87 | false | |
88 | } | |
89 | } else { | |
90 | false | |
91 | } | |
92 | } | |
93 | ||
32a655c1 SL |
94 | // Takes a directive of the form "ignore-gdb-version <version1> [- <version2>]", |
95 | // returns the numeric representation of <version1> and <version2> as | |
96 | // tuple: (<version1> as u32, <version2> as u32) | |
97 | // If the <version2> part is omitted, the second component of the tuple | |
98 | // is the same as <version1>. | |
99 | fn extract_gdb_version_range(line: &str) -> (u32, u32) { | |
100 | const ERROR_MESSAGE: &'static str = "Malformed GDB version directive"; | |
101 | ||
7cac9316 XL |
102 | let range_components = line.split(&[' ', '-'][..]) |
103 | .filter(|word| !word.is_empty()) | |
104 | .map(extract_gdb_version) | |
105 | .skip_while(Option::is_none) | |
106 | .take(3) // 3 or more = invalid, so take at most 3. | |
107 | .collect::<Vec<Option<u32>>>(); | |
32a655c1 SL |
108 | |
109 | match range_components.len() { | |
110 | 1 => { | |
7cac9316 | 111 | let v = range_components[0].unwrap(); |
32a655c1 SL |
112 | (v, v) |
113 | } | |
114 | 2 => { | |
7cac9316 XL |
115 | let v_min = range_components[0].unwrap(); |
116 | let v_max = range_components[1].expect(ERROR_MESSAGE); | |
32a655c1 SL |
117 | (v_min, v_max) |
118 | } | |
119 | _ => panic!(ERROR_MESSAGE), | |
120 | } | |
121 | } | |
122 | ||
a7813a04 XL |
123 | fn ignore_lldb(config: &Config, line: &str) -> bool { |
124 | if config.mode != common::DebugInfoLldb { | |
125 | return false; | |
126 | } | |
127 | ||
a7813a04 | 128 | if let Some(ref actual_version) = config.lldb_version { |
7cac9316 XL |
129 | if line.starts_with("min-lldb-version") { |
130 | let min_version = line.trim_right() | |
131 | .rsplit(' ') | |
132 | .next() | |
5bcae85e | 133 | .expect("Malformed lldb version directive"); |
a7813a04 XL |
134 | // Ignore if actual version is smaller the minimum required |
135 | // version | |
5bcae85e | 136 | lldb_version_to_int(actual_version) < lldb_version_to_int(min_version) |
a7813a04 XL |
137 | } else { |
138 | false | |
139 | } | |
140 | } else { | |
141 | false | |
142 | } | |
143 | } | |
9e0c209e SL |
144 | |
145 | fn ignore_llvm(config: &Config, line: &str) -> bool { | |
041b39d2 | 146 | if config.system_llvm && line.starts_with("no-system-llvm") { |
94b46f34 | 147 | return true; |
041b39d2 | 148 | } |
9e0c209e | 149 | if let Some(ref actual_version) = config.llvm_version { |
7cac9316 XL |
150 | if line.starts_with("min-llvm-version") { |
151 | let min_version = line.trim_right() | |
152 | .rsplit(' ') | |
153 | .next() | |
9e0c209e SL |
154 | .expect("Malformed llvm version directive"); |
155 | // Ignore if actual version is smaller the minimum required | |
156 | // version | |
157 | &actual_version[..] < min_version | |
abe05a73 XL |
158 | } else if line.starts_with("min-system-llvm-version") { |
159 | let min_version = line.trim_right() | |
160 | .rsplit(' ') | |
161 | .next() | |
162 | .expect("Malformed llvm version directive"); | |
163 | // Ignore if using system LLVM and actual version | |
164 | // is smaller the minimum required version | |
2c00a5a8 | 165 | config.system_llvm && &actual_version[..] < min_version |
9e0c209e SL |
166 | } else { |
167 | false | |
168 | } | |
169 | } else { | |
170 | false | |
171 | } | |
172 | } | |
a7813a04 XL |
173 | } |
174 | } | |
175 | ||
176 | #[derive(Clone, Debug)] | |
177 | pub struct TestProps { | |
178 | // Lines that should be expected, in order, on standard out | |
5bcae85e | 179 | pub error_patterns: Vec<String>, |
a7813a04 XL |
180 | // Extra flags to pass to the compiler |
181 | pub compile_flags: Vec<String>, | |
182 | // Extra flags to pass when the compiled code is run (such as --bench) | |
183 | pub run_flags: Option<String>, | |
184 | // If present, the name of a file that this test should match when | |
185 | // pretty-printed | |
186 | pub pp_exact: Option<PathBuf>, | |
187 | // Other crates that should be compiled (typically from the same | |
188 | // directory as the test, but for backwards compatibility reasons | |
189 | // we also check the auxiliary directory) | |
5bcae85e | 190 | pub aux_builds: Vec<String>, |
a7813a04 | 191 | // Environment settings to use for compiling |
5bcae85e | 192 | pub rustc_env: Vec<(String, String)>, |
a7813a04 | 193 | // Environment settings to use during execution |
5bcae85e | 194 | pub exec_env: Vec<(String, String)>, |
a7813a04 | 195 | // Lines to check if they appear in the expected debugger output |
5bcae85e | 196 | pub check_lines: Vec<String>, |
a7813a04 XL |
197 | // Build documentation for all specified aux-builds as well |
198 | pub build_aux_docs: bool, | |
199 | // Flag to force a crate to be built with the host architecture | |
200 | pub force_host: bool, | |
201 | // Check stdout for error-pattern output as well as stderr | |
202 | pub check_stdout: bool, | |
203 | // Don't force a --crate-type=dylib flag on the command line | |
204 | pub no_prefer_dynamic: bool, | |
205 | // Run --pretty expanded when running pretty printing tests | |
206 | pub pretty_expanded: bool, | |
207 | // Which pretty mode are we testing with, default to 'normal' | |
208 | pub pretty_mode: String, | |
209 | // Only compare pretty output and don't try compiling | |
210 | pub pretty_compare_only: bool, | |
211 | // Patterns which must not appear in the output of a cfail test. | |
212 | pub forbid_output: Vec<String>, | |
213 | // Revisions to test for incremental compilation. | |
214 | pub revisions: Vec<String>, | |
215 | // Directory (if any) to use for incremental compilation. This is | |
216 | // not set by end-users; rather it is set by the incremental | |
217 | // testing harness and used when generating compilation | |
218 | // arguments. (In particular, it propagates to the aux-builds.) | |
219 | pub incremental_dir: Option<PathBuf>, | |
ff7c6d11 | 220 | // Specifies that a test must actually compile without errors. |
83c7162d | 221 | pub compile_pass: bool, |
8bb4bdeb XL |
222 | // rustdoc will test the output of the `--test` option |
223 | pub check_test_line_numbers_match: bool, | |
0531ce1d | 224 | // The test must be compiled and run successfully. Only used in UI tests for now. |
7cac9316 | 225 | pub run_pass: bool, |
83c7162d | 226 | // Skip any codegen step and running the executable. Only for run-pass. |
94b46f34 | 227 | pub skip_codegen: bool, |
0531ce1d XL |
228 | // Do not pass `-Z ui-testing` to UI tests |
229 | pub disable_ui_testing_normalization: bool, | |
041b39d2 XL |
230 | // customized normalization rules |
231 | pub normalize_stdout: Vec<(String, String)>, | |
232 | pub normalize_stderr: Vec<(String, String)>, | |
0531ce1d | 233 | pub failure_status: i32, |
83c7162d | 234 | pub run_rustfix: bool, |
a7813a04 XL |
235 | } |
236 | ||
237 | impl TestProps { | |
238 | pub fn new() -> Self { | |
a7813a04 | 239 | TestProps { |
9e0c209e | 240 | error_patterns: vec![], |
a7813a04 | 241 | compile_flags: vec![], |
9e0c209e SL |
242 | run_flags: None, |
243 | pp_exact: None, | |
244 | aux_builds: vec![], | |
a7813a04 XL |
245 | revisions: vec![], |
246 | rustc_env: vec![], | |
9e0c209e SL |
247 | exec_env: vec![], |
248 | check_lines: vec![], | |
249 | build_aux_docs: false, | |
250 | force_host: false, | |
251 | check_stdout: false, | |
252 | no_prefer_dynamic: false, | |
253 | pretty_expanded: false, | |
041b39d2 | 254 | pretty_mode: "normal".to_string(), |
9e0c209e SL |
255 | pretty_compare_only: false, |
256 | forbid_output: vec![], | |
a7813a04 | 257 | incremental_dir: None, |
83c7162d | 258 | compile_pass: false, |
8bb4bdeb | 259 | check_test_line_numbers_match: false, |
7cac9316 | 260 | run_pass: false, |
94b46f34 | 261 | skip_codegen: false, |
0531ce1d | 262 | disable_ui_testing_normalization: false, |
041b39d2 XL |
263 | normalize_stdout: vec![], |
264 | normalize_stderr: vec![], | |
0531ce1d | 265 | failure_status: 101, |
83c7162d | 266 | run_rustfix: false, |
a7813a04 XL |
267 | } |
268 | } | |
269 | ||
94b46f34 | 270 | pub fn from_aux_file(&self, testfile: &Path, cfg: Option<&str>, config: &Config) -> Self { |
a7813a04 XL |
271 | let mut props = TestProps::new(); |
272 | ||
273 | // copy over select properties to the aux build: | |
274 | props.incremental_dir = self.incremental_dir.clone(); | |
7cac9316 | 275 | props.load_from(testfile, cfg, config); |
a7813a04 XL |
276 | |
277 | props | |
278 | } | |
279 | ||
abe05a73 | 280 | pub fn from_file(testfile: &Path, cfg: Option<&str>, config: &Config) -> Self { |
a7813a04 | 281 | let mut props = TestProps::new(); |
abe05a73 | 282 | props.load_from(testfile, cfg, config); |
a7813a04 XL |
283 | props |
284 | } | |
285 | ||
286 | /// Load properties from `testfile` into `props`. If a property is | |
287 | /// tied to a particular revision `foo` (indicated by writing | |
288 | /// `//[foo]`), then the property is ignored unless `cfg` is | |
289 | /// `Some("foo")`. | |
94b46f34 XL |
290 | fn load_from(&mut self, testfile: &Path, cfg: Option<&str>, config: &Config) { |
291 | iter_header(testfile, cfg, &mut |ln| { | |
7cac9316 | 292 | if let Some(ep) = config.parse_error_pattern(ln) { |
a7813a04 XL |
293 | self.error_patterns.push(ep); |
294 | } | |
295 | ||
7cac9316 | 296 | if let Some(flags) = config.parse_compile_flags(ln) { |
94b46f34 XL |
297 | self.compile_flags |
298 | .extend(flags.split_whitespace().map(|s| s.to_owned())); | |
a7813a04 XL |
299 | } |
300 | ||
7cac9316 | 301 | if let Some(r) = config.parse_revisions(ln) { |
a7813a04 XL |
302 | self.revisions.extend(r); |
303 | } | |
304 | ||
305 | if self.run_flags.is_none() { | |
7cac9316 | 306 | self.run_flags = config.parse_run_flags(ln); |
a7813a04 XL |
307 | } |
308 | ||
309 | if self.pp_exact.is_none() { | |
7cac9316 | 310 | self.pp_exact = config.parse_pp_exact(ln, testfile); |
a7813a04 XL |
311 | } |
312 | ||
313 | if !self.build_aux_docs { | |
7cac9316 | 314 | self.build_aux_docs = config.parse_build_aux_docs(ln); |
a7813a04 XL |
315 | } |
316 | ||
317 | if !self.force_host { | |
7cac9316 | 318 | self.force_host = config.parse_force_host(ln); |
a7813a04 XL |
319 | } |
320 | ||
321 | if !self.check_stdout { | |
7cac9316 | 322 | self.check_stdout = config.parse_check_stdout(ln); |
a7813a04 XL |
323 | } |
324 | ||
325 | if !self.no_prefer_dynamic { | |
7cac9316 | 326 | self.no_prefer_dynamic = config.parse_no_prefer_dynamic(ln); |
a7813a04 XL |
327 | } |
328 | ||
329 | if !self.pretty_expanded { | |
7cac9316 | 330 | self.pretty_expanded = config.parse_pretty_expanded(ln); |
a7813a04 XL |
331 | } |
332 | ||
7cac9316 | 333 | if let Some(m) = config.parse_pretty_mode(ln) { |
a7813a04 XL |
334 | self.pretty_mode = m; |
335 | } | |
336 | ||
337 | if !self.pretty_compare_only { | |
7cac9316 | 338 | self.pretty_compare_only = config.parse_pretty_compare_only(ln); |
a7813a04 XL |
339 | } |
340 | ||
7cac9316 | 341 | if let Some(ab) = config.parse_aux_build(ln) { |
a7813a04 XL |
342 | self.aux_builds.push(ab); |
343 | } | |
344 | ||
7cac9316 | 345 | if let Some(ee) = config.parse_env(ln, "exec-env") { |
a7813a04 XL |
346 | self.exec_env.push(ee); |
347 | } | |
348 | ||
7cac9316 | 349 | if let Some(ee) = config.parse_env(ln, "rustc-env") { |
a7813a04 XL |
350 | self.rustc_env.push(ee); |
351 | } | |
352 | ||
7cac9316 | 353 | if let Some(cl) = config.parse_check_line(ln) { |
a7813a04 XL |
354 | self.check_lines.push(cl); |
355 | } | |
356 | ||
7cac9316 | 357 | if let Some(of) = config.parse_forbid_output(ln) { |
a7813a04 XL |
358 | self.forbid_output.push(of); |
359 | } | |
9e0c209e | 360 | |
8bb4bdeb | 361 | if !self.check_test_line_numbers_match { |
7cac9316 XL |
362 | self.check_test_line_numbers_match = config.parse_check_test_line_numbers_match(ln); |
363 | } | |
364 | ||
365 | if !self.run_pass { | |
366 | self.run_pass = config.parse_run_pass(ln); | |
8bb4bdeb | 367 | } |
041b39d2 | 368 | |
83c7162d | 369 | if !self.compile_pass { |
ff7c6d11 | 370 | // run-pass implies must_compile_sucessfully |
94b46f34 | 371 | self.compile_pass = config.parse_compile_pass(ln) || self.run_pass; |
ff7c6d11 XL |
372 | } |
373 | ||
94b46f34 XL |
374 | if !self.skip_codegen { |
375 | self.skip_codegen = config.parse_skip_codegen(ln); | |
83c7162d XL |
376 | } |
377 | ||
0531ce1d XL |
378 | if !self.disable_ui_testing_normalization { |
379 | self.disable_ui_testing_normalization = | |
380 | config.parse_disable_ui_testing_normalization(ln); | |
381 | } | |
382 | ||
041b39d2 XL |
383 | if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stdout") { |
384 | self.normalize_stdout.push(rule); | |
385 | } | |
386 | if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stderr") { | |
387 | self.normalize_stderr.push(rule); | |
388 | } | |
0531ce1d XL |
389 | |
390 | if let Some(code) = config.parse_failure_status(ln) { | |
391 | self.failure_status = code; | |
392 | } | |
83c7162d XL |
393 | |
394 | if !self.run_rustfix { | |
395 | self.run_rustfix = config.parse_run_rustfix(ln); | |
396 | } | |
a7813a04 XL |
397 | }); |
398 | ||
74d20737 XL |
399 | if self.failure_status == -1 { |
400 | self.failure_status = match config.mode { | |
401 | Mode::RunFail => 101, | |
402 | _ => 1, | |
403 | }; | |
404 | } | |
405 | ||
041b39d2 XL |
406 | for key in &["RUST_TEST_NOCAPTURE", "RUST_TEST_THREADS"] { |
407 | if let Ok(val) = env::var(key) { | |
408 | if self.exec_env.iter().find(|&&(ref x, _)| x == key).is_none() { | |
409 | self.exec_env.push(((*key).to_owned(), val)) | |
5bcae85e | 410 | } |
a7813a04 XL |
411 | } |
412 | } | |
413 | } | |
414 | } | |
415 | ||
5bcae85e | 416 | fn iter_header(testfile: &Path, cfg: Option<&str>, it: &mut FnMut(&str)) { |
a7813a04 | 417 | if testfile.is_dir() { |
5bcae85e | 418 | return; |
a7813a04 | 419 | } |
83c7162d XL |
420 | |
421 | let comment = if testfile.to_string_lossy().ends_with(".rs") { | |
422 | "//" | |
423 | } else { | |
424 | "#" | |
425 | }; | |
426 | ||
427 | let comment_with_brace = comment.to_string() + "["; | |
428 | ||
a7813a04 XL |
429 | let rdr = BufReader::new(File::open(testfile).unwrap()); |
430 | for ln in rdr.lines() { | |
431 | // Assume that any directives will be found before the first | |
432 | // module or function. This doesn't seem to be an optimization | |
433 | // with a warm page cache. Maybe with a cold one. | |
434 | let ln = ln.unwrap(); | |
435 | let ln = ln.trim(); | |
436 | if ln.starts_with("fn") || ln.starts_with("mod") { | |
437 | return; | |
83c7162d | 438 | } else if ln.starts_with(&comment_with_brace) { |
a7813a04 | 439 | // A comment like `//[foo]` is specific to revision `foo` |
041b39d2 | 440 | if let Some(close_brace) = ln.find(']') { |
83c7162d XL |
441 | let open_brace = ln.find('[').unwrap(); |
442 | let lncfg = &ln[open_brace + 1 .. close_brace]; | |
a7813a04 XL |
443 | let matches = match cfg { |
444 | Some(s) => s == &lncfg[..], | |
445 | None => false, | |
446 | }; | |
447 | if matches { | |
94b46f34 | 448 | it(ln[(close_brace + 1)..].trim_left()); |
a7813a04 XL |
449 | } |
450 | } else { | |
83c7162d XL |
451 | panic!("malformed condition directive: expected `{}foo]`, found `{}`", |
452 | comment_with_brace, ln) | |
a7813a04 | 453 | } |
83c7162d XL |
454 | } else if ln.starts_with(comment) { |
455 | it(ln[comment.len() ..].trim_left()); | |
a7813a04 XL |
456 | } |
457 | } | |
458 | return; | |
459 | } | |
460 | ||
7cac9316 | 461 | impl Config { |
7cac9316 XL |
462 | fn parse_error_pattern(&self, line: &str) -> Option<String> { |
463 | self.parse_name_value_directive(line, "error-pattern") | |
464 | } | |
a7813a04 | 465 | |
7cac9316 XL |
466 | fn parse_forbid_output(&self, line: &str) -> Option<String> { |
467 | self.parse_name_value_directive(line, "forbid-output") | |
468 | } | |
a7813a04 | 469 | |
7cac9316 XL |
470 | fn parse_aux_build(&self, line: &str) -> Option<String> { |
471 | self.parse_name_value_directive(line, "aux-build") | |
472 | } | |
a7813a04 | 473 | |
7cac9316 XL |
474 | fn parse_compile_flags(&self, line: &str) -> Option<String> { |
475 | self.parse_name_value_directive(line, "compile-flags") | |
476 | } | |
a7813a04 | 477 | |
7cac9316 XL |
478 | fn parse_revisions(&self, line: &str) -> Option<Vec<String>> { |
479 | self.parse_name_value_directive(line, "revisions") | |
480 | .map(|r| r.split_whitespace().map(|t| t.to_string()).collect()) | |
481 | } | |
a7813a04 | 482 | |
7cac9316 XL |
483 | fn parse_run_flags(&self, line: &str) -> Option<String> { |
484 | self.parse_name_value_directive(line, "run-flags") | |
485 | } | |
a7813a04 | 486 | |
7cac9316 XL |
487 | fn parse_check_line(&self, line: &str) -> Option<String> { |
488 | self.parse_name_value_directive(line, "check") | |
489 | } | |
a7813a04 | 490 | |
7cac9316 XL |
491 | fn parse_force_host(&self, line: &str) -> bool { |
492 | self.parse_name_directive(line, "force-host") | |
493 | } | |
a7813a04 | 494 | |
7cac9316 XL |
495 | fn parse_build_aux_docs(&self, line: &str) -> bool { |
496 | self.parse_name_directive(line, "build-aux-docs") | |
497 | } | |
a7813a04 | 498 | |
7cac9316 XL |
499 | fn parse_check_stdout(&self, line: &str) -> bool { |
500 | self.parse_name_directive(line, "check-stdout") | |
501 | } | |
a7813a04 | 502 | |
7cac9316 XL |
503 | fn parse_no_prefer_dynamic(&self, line: &str) -> bool { |
504 | self.parse_name_directive(line, "no-prefer-dynamic") | |
505 | } | |
a7813a04 | 506 | |
7cac9316 XL |
507 | fn parse_pretty_expanded(&self, line: &str) -> bool { |
508 | self.parse_name_directive(line, "pretty-expanded") | |
509 | } | |
a7813a04 | 510 | |
7cac9316 XL |
511 | fn parse_pretty_mode(&self, line: &str) -> Option<String> { |
512 | self.parse_name_value_directive(line, "pretty-mode") | |
513 | } | |
a7813a04 | 514 | |
7cac9316 XL |
515 | fn parse_pretty_compare_only(&self, line: &str) -> bool { |
516 | self.parse_name_directive(line, "pretty-compare-only") | |
517 | } | |
9e0c209e | 518 | |
0531ce1d XL |
519 | fn parse_failure_status(&self, line: &str) -> Option<i32> { |
520 | match self.parse_name_value_directive(line, "failure-status") { | |
521 | Some(code) => code.trim().parse::<i32>().ok(), | |
522 | _ => None, | |
523 | } | |
524 | } | |
525 | ||
83c7162d XL |
526 | fn parse_compile_pass(&self, line: &str) -> bool { |
527 | self.parse_name_directive(line, "compile-pass") | |
7cac9316 XL |
528 | } |
529 | ||
0531ce1d XL |
530 | fn parse_disable_ui_testing_normalization(&self, line: &str) -> bool { |
531 | self.parse_name_directive(line, "disable-ui-testing-normalization") | |
532 | } | |
533 | ||
7cac9316 XL |
534 | fn parse_check_test_line_numbers_match(&self, line: &str) -> bool { |
535 | self.parse_name_directive(line, "check-test-line-numbers-match") | |
536 | } | |
8bb4bdeb | 537 | |
7cac9316 XL |
538 | fn parse_run_pass(&self, line: &str) -> bool { |
539 | self.parse_name_directive(line, "run-pass") | |
540 | } | |
541 | ||
94b46f34 XL |
542 | fn parse_skip_codegen(&self, line: &str) -> bool { |
543 | self.parse_name_directive(line, "skip-codegen") | |
83c7162d XL |
544 | } |
545 | ||
7cac9316 XL |
546 | fn parse_env(&self, line: &str, name: &str) -> Option<(String, String)> { |
547 | self.parse_name_value_directive(line, name).map(|nv| { | |
548 | // nv is either FOO or FOO=BAR | |
94b46f34 | 549 | let mut strs: Vec<String> = nv.splitn(2, '=').map(str::to_owned).collect(); |
a7813a04 | 550 | |
7cac9316 XL |
551 | match strs.len() { |
552 | 1 => (strs.pop().unwrap(), "".to_owned()), | |
553 | 2 => { | |
554 | let end = strs.pop().unwrap(); | |
555 | (strs.pop().unwrap(), end) | |
556 | } | |
557 | n => panic!("Expected 1 or 2 strings, not {}", n), | |
5bcae85e | 558 | } |
7cac9316 XL |
559 | }) |
560 | } | |
a7813a04 | 561 | |
7cac9316 XL |
562 | fn parse_pp_exact(&self, line: &str, testfile: &Path) -> Option<PathBuf> { |
563 | if let Some(s) = self.parse_name_value_directive(line, "pp-exact") { | |
564 | Some(PathBuf::from(&s)) | |
041b39d2 XL |
565 | } else if self.parse_name_directive(line, "pp-exact") { |
566 | testfile.file_name().map(PathBuf::from) | |
a7813a04 | 567 | } else { |
041b39d2 XL |
568 | None |
569 | } | |
570 | } | |
571 | ||
572 | fn parse_custom_normalization(&self, mut line: &str, prefix: &str) -> Option<(String, String)> { | |
573 | if self.parse_cfg_name_directive(line, prefix) { | |
574 | let from = match parse_normalization_string(&mut line) { | |
575 | Some(s) => s, | |
576 | None => return None, | |
577 | }; | |
578 | let to = match parse_normalization_string(&mut line) { | |
579 | Some(s) => s, | |
580 | None => return None, | |
581 | }; | |
582 | Some((from, to)) | |
583 | } else { | |
584 | None | |
585 | } | |
586 | } | |
587 | ||
588 | /// Parses a name-value directive which contains config-specific information, e.g. `ignore-x86` | |
589 | /// or `normalize-stderr-32bit`. Returns `true` if the line matches it. | |
590 | fn parse_cfg_name_directive(&self, line: &str, prefix: &str) -> bool { | |
591 | if line.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') { | |
94b46f34 XL |
592 | let name = line[prefix.len() + 1..] |
593 | .split(&[':', ' '][..]) | |
594 | .next() | |
595 | .unwrap(); | |
041b39d2 XL |
596 | |
597 | name == "test" || | |
abe05a73 | 598 | util::matches_os(&self.target, name) || // target |
041b39d2 XL |
599 | name == util::get_arch(&self.target) || // architecture |
600 | name == util::get_pointer_width(&self.target) || // pointer width | |
601 | name == self.stage_id.split('-').next().unwrap() || // stage | |
602 | Some(name) == util::get_env(&self.target) || // env | |
603 | match self.mode { | |
604 | common::DebugInfoGdb => name == "gdb", | |
605 | common::DebugInfoLldb => name == "lldb", | |
606 | common::Pretty => name == "pretty", | |
607 | _ => false, | |
94b46f34 | 608 | } || (self.target != self.host && name == "cross-compile") |
041b39d2 XL |
609 | } else { |
610 | false | |
a7813a04 XL |
611 | } |
612 | } | |
a7813a04 | 613 | |
2c00a5a8 XL |
614 | fn has_cfg_prefix(&self, line: &str, prefix: &str) -> bool { |
615 | // returns whether this line contains this prefix or not. For prefix | |
616 | // "ignore", returns true if line says "ignore-x86_64", "ignore-arch", | |
83c7162d | 617 | // "ignore-android" etc. |
2c00a5a8 XL |
618 | line.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') |
619 | } | |
620 | ||
7cac9316 XL |
621 | fn parse_name_directive(&self, line: &str, directive: &str) -> bool { |
622 | // Ensure the directive is a whole word. Do not match "ignore-x86" when | |
623 | // the line says "ignore-x86_64". | |
624 | line.starts_with(directive) && match line.as_bytes().get(directive.len()) { | |
625 | None | Some(&b' ') | Some(&b':') => true, | |
94b46f34 | 626 | _ => false, |
7cac9316 XL |
627 | } |
628 | } | |
a7813a04 | 629 | |
7cac9316 XL |
630 | pub fn parse_name_value_directive(&self, line: &str, directive: &str) -> Option<String> { |
631 | let colon = directive.len(); | |
632 | if line.starts_with(directive) && line.as_bytes().get(colon) == Some(&b':') { | |
94b46f34 | 633 | let value = line[(colon + 1)..].to_owned(); |
7cac9316 XL |
634 | debug!("{}: {}", directive, value); |
635 | Some(expand_variables(value, self)) | |
636 | } else { | |
637 | None | |
638 | } | |
a7813a04 | 639 | } |
abe05a73 XL |
640 | |
641 | pub fn find_rust_src_root(&self) -> Option<PathBuf> { | |
642 | let mut path = self.src_base.clone(); | |
643 | let path_postfix = Path::new("src/etc/lldb_batchmode.py"); | |
644 | ||
645 | while path.pop() { | |
646 | if path.join(&path_postfix).is_file() { | |
647 | return Some(path); | |
648 | } | |
649 | } | |
650 | ||
651 | None | |
652 | } | |
83c7162d XL |
653 | |
654 | fn parse_run_rustfix(&self, line: &str) -> bool { | |
655 | self.parse_name_directive(line, "run-rustfix") | |
656 | } | |
a7813a04 XL |
657 | } |
658 | ||
a7813a04 | 659 | pub fn lldb_version_to_int(version_string: &str) -> isize { |
94b46f34 XL |
660 | let error_string = format!( |
661 | "Encountered LLDB version string with unexpected format: {}", | |
662 | version_string | |
663 | ); | |
041b39d2 | 664 | version_string.parse().expect(&error_string) |
a7813a04 | 665 | } |
7cac9316 XL |
666 | |
667 | fn expand_variables(mut value: String, config: &Config) -> String { | |
668 | const CWD: &'static str = "{{cwd}}"; | |
669 | const SRC_BASE: &'static str = "{{src-base}}"; | |
670 | const BUILD_BASE: &'static str = "{{build-base}}"; | |
671 | ||
672 | if value.contains(CWD) { | |
673 | let cwd = env::current_dir().unwrap(); | |
674 | value = value.replace(CWD, &cwd.to_string_lossy()); | |
675 | } | |
676 | ||
677 | if value.contains(SRC_BASE) { | |
678 | value = value.replace(SRC_BASE, &config.src_base.to_string_lossy()); | |
679 | } | |
680 | ||
681 | if value.contains(BUILD_BASE) { | |
682 | value = value.replace(BUILD_BASE, &config.build_base.to_string_lossy()); | |
683 | } | |
684 | ||
685 | value | |
686 | } | |
041b39d2 XL |
687 | |
688 | /// Finds the next quoted string `"..."` in `line`, and extract the content from it. Move the `line` | |
689 | /// variable after the end of the quoted string. | |
690 | /// | |
691 | /// # Examples | |
692 | /// | |
693 | /// ``` | |
694 | /// let mut s = "normalize-stderr-32bit: \"something (32 bits)\" -> \"something ($WORD bits)\"."; | |
695 | /// let first = parse_normalization_string(&mut s); | |
696 | /// assert_eq!(first, Some("something (32 bits)".to_owned())); | |
697 | /// assert_eq!(s, " -> \"something ($WORD bits)\"."); | |
698 | /// ``` | |
699 | fn parse_normalization_string(line: &mut &str) -> Option<String> { | |
700 | // FIXME support escapes in strings. | |
701 | let begin = match line.find('"') { | |
702 | Some(i) => i + 1, | |
703 | None => return None, | |
704 | }; | |
705 | let end = match line[begin..].find('"') { | |
706 | Some(i) => i + begin, | |
707 | None => return None, | |
708 | }; | |
709 | let result = line[begin..end].to_owned(); | |
94b46f34 | 710 | *line = &line[end + 1..]; |
041b39d2 XL |
711 | Some(result) |
712 | } |