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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. |
9e0c209e | 226 | pub must_compile_successfully: bool, |
8bb4bdeb XL |
227 | // rustdoc will test the output of the `--test` option |
228 | pub check_test_line_numbers_match: bool, | |
7cac9316 XL |
229 | // The test must be compiled and run successfully. Only used in UI tests for |
230 | // now. | |
231 | pub run_pass: bool, | |
041b39d2 XL |
232 | // customized normalization rules |
233 | pub normalize_stdout: Vec<(String, String)>, | |
234 | pub normalize_stderr: Vec<(String, String)>, | |
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, |
9e0c209e | 258 | must_compile_successfully: false, |
8bb4bdeb | 259 | check_test_line_numbers_match: false, |
7cac9316 | 260 | run_pass: false, |
041b39d2 XL |
261 | normalize_stdout: vec![], |
262 | normalize_stderr: vec![], | |
a7813a04 XL |
263 | } |
264 | } | |
265 | ||
7cac9316 XL |
266 | pub fn from_aux_file(&self, |
267 | testfile: &Path, | |
268 | cfg: Option<&str>, | |
269 | config: &Config) | |
270 | -> 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")`. | |
abe05a73 XL |
290 | fn load_from(&mut self, |
291 | testfile: &Path, | |
292 | cfg: Option<&str>, | |
293 | config: &Config) { | |
5bcae85e SL |
294 | iter_header(testfile, |
295 | cfg, | |
296 | &mut |ln| { | |
7cac9316 | 297 | if let Some(ep) = config.parse_error_pattern(ln) { |
a7813a04 XL |
298 | self.error_patterns.push(ep); |
299 | } | |
300 | ||
7cac9316 | 301 | if let Some(flags) = config.parse_compile_flags(ln) { |
5bcae85e SL |
302 | self.compile_flags.extend(flags.split_whitespace() |
303 | .map(|s| s.to_owned())); | |
a7813a04 XL |
304 | } |
305 | ||
7cac9316 | 306 | if let Some(r) = config.parse_revisions(ln) { |
a7813a04 XL |
307 | self.revisions.extend(r); |
308 | } | |
309 | ||
310 | if self.run_flags.is_none() { | |
7cac9316 | 311 | self.run_flags = config.parse_run_flags(ln); |
a7813a04 XL |
312 | } |
313 | ||
314 | if self.pp_exact.is_none() { | |
7cac9316 | 315 | self.pp_exact = config.parse_pp_exact(ln, testfile); |
a7813a04 XL |
316 | } |
317 | ||
318 | if !self.build_aux_docs { | |
7cac9316 | 319 | self.build_aux_docs = config.parse_build_aux_docs(ln); |
a7813a04 XL |
320 | } |
321 | ||
322 | if !self.force_host { | |
7cac9316 | 323 | self.force_host = config.parse_force_host(ln); |
a7813a04 XL |
324 | } |
325 | ||
326 | if !self.check_stdout { | |
7cac9316 | 327 | self.check_stdout = config.parse_check_stdout(ln); |
a7813a04 XL |
328 | } |
329 | ||
330 | if !self.no_prefer_dynamic { | |
7cac9316 | 331 | self.no_prefer_dynamic = config.parse_no_prefer_dynamic(ln); |
a7813a04 XL |
332 | } |
333 | ||
334 | if !self.pretty_expanded { | |
7cac9316 | 335 | self.pretty_expanded = config.parse_pretty_expanded(ln); |
a7813a04 XL |
336 | } |
337 | ||
7cac9316 | 338 | if let Some(m) = config.parse_pretty_mode(ln) { |
a7813a04 XL |
339 | self.pretty_mode = m; |
340 | } | |
341 | ||
342 | if !self.pretty_compare_only { | |
7cac9316 | 343 | self.pretty_compare_only = config.parse_pretty_compare_only(ln); |
a7813a04 XL |
344 | } |
345 | ||
7cac9316 | 346 | if let Some(ab) = config.parse_aux_build(ln) { |
a7813a04 XL |
347 | self.aux_builds.push(ab); |
348 | } | |
349 | ||
7cac9316 | 350 | if let Some(ee) = config.parse_env(ln, "exec-env") { |
a7813a04 XL |
351 | self.exec_env.push(ee); |
352 | } | |
353 | ||
7cac9316 | 354 | if let Some(ee) = config.parse_env(ln, "rustc-env") { |
a7813a04 XL |
355 | self.rustc_env.push(ee); |
356 | } | |
357 | ||
7cac9316 | 358 | if let Some(cl) = config.parse_check_line(ln) { |
a7813a04 XL |
359 | self.check_lines.push(cl); |
360 | } | |
361 | ||
7cac9316 | 362 | if let Some(of) = config.parse_forbid_output(ln) { |
a7813a04 XL |
363 | self.forbid_output.push(of); |
364 | } | |
9e0c209e | 365 | |
8bb4bdeb | 366 | if !self.check_test_line_numbers_match { |
7cac9316 XL |
367 | self.check_test_line_numbers_match = config.parse_check_test_line_numbers_match(ln); |
368 | } | |
369 | ||
370 | if !self.run_pass { | |
371 | self.run_pass = config.parse_run_pass(ln); | |
8bb4bdeb | 372 | } |
041b39d2 | 373 | |
ff7c6d11 XL |
374 | if !self.must_compile_successfully { |
375 | // run-pass implies must_compile_sucessfully | |
376 | self.must_compile_successfully = | |
377 | config.parse_must_compile_successfully(ln) || self.run_pass; | |
378 | } | |
379 | ||
041b39d2 XL |
380 | if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stdout") { |
381 | self.normalize_stdout.push(rule); | |
382 | } | |
383 | if let Some(rule) = config.parse_custom_normalization(ln, "normalize-stderr") { | |
384 | self.normalize_stderr.push(rule); | |
385 | } | |
a7813a04 XL |
386 | }); |
387 | ||
041b39d2 XL |
388 | for key in &["RUST_TEST_NOCAPTURE", "RUST_TEST_THREADS"] { |
389 | if let Ok(val) = env::var(key) { | |
390 | if self.exec_env.iter().find(|&&(ref x, _)| x == key).is_none() { | |
391 | self.exec_env.push(((*key).to_owned(), val)) | |
5bcae85e | 392 | } |
a7813a04 XL |
393 | } |
394 | } | |
395 | } | |
396 | } | |
397 | ||
5bcae85e | 398 | fn iter_header(testfile: &Path, cfg: Option<&str>, it: &mut FnMut(&str)) { |
a7813a04 | 399 | if testfile.is_dir() { |
5bcae85e | 400 | return; |
a7813a04 XL |
401 | } |
402 | let rdr = BufReader::new(File::open(testfile).unwrap()); | |
403 | for ln in rdr.lines() { | |
404 | // Assume that any directives will be found before the first | |
405 | // module or function. This doesn't seem to be an optimization | |
406 | // with a warm page cache. Maybe with a cold one. | |
407 | let ln = ln.unwrap(); | |
408 | let ln = ln.trim(); | |
409 | if ln.starts_with("fn") || ln.starts_with("mod") { | |
410 | return; | |
411 | } else if ln.starts_with("//[") { | |
412 | // A comment like `//[foo]` is specific to revision `foo` | |
041b39d2 | 413 | if let Some(close_brace) = ln.find(']') { |
a7813a04 XL |
414 | let lncfg = &ln[3..close_brace]; |
415 | let matches = match cfg { | |
416 | Some(s) => s == &lncfg[..], | |
417 | None => false, | |
418 | }; | |
419 | if matches { | |
7cac9316 | 420 | it(ln[(close_brace + 1) ..].trim_left()); |
a7813a04 XL |
421 | } |
422 | } else { | |
423 | panic!("malformed condition directive: expected `//[foo]`, found `{}`", | |
424 | ln) | |
425 | } | |
426 | } else if ln.starts_with("//") { | |
7cac9316 | 427 | it(ln[2..].trim_left()); |
a7813a04 XL |
428 | } |
429 | } | |
430 | return; | |
431 | } | |
432 | ||
7cac9316 | 433 | impl Config { |
7cac9316 XL |
434 | fn parse_error_pattern(&self, line: &str) -> Option<String> { |
435 | self.parse_name_value_directive(line, "error-pattern") | |
436 | } | |
a7813a04 | 437 | |
7cac9316 XL |
438 | fn parse_forbid_output(&self, line: &str) -> Option<String> { |
439 | self.parse_name_value_directive(line, "forbid-output") | |
440 | } | |
a7813a04 | 441 | |
7cac9316 XL |
442 | fn parse_aux_build(&self, line: &str) -> Option<String> { |
443 | self.parse_name_value_directive(line, "aux-build") | |
444 | } | |
a7813a04 | 445 | |
7cac9316 XL |
446 | fn parse_compile_flags(&self, line: &str) -> Option<String> { |
447 | self.parse_name_value_directive(line, "compile-flags") | |
448 | } | |
a7813a04 | 449 | |
7cac9316 XL |
450 | fn parse_revisions(&self, line: &str) -> Option<Vec<String>> { |
451 | self.parse_name_value_directive(line, "revisions") | |
452 | .map(|r| r.split_whitespace().map(|t| t.to_string()).collect()) | |
453 | } | |
a7813a04 | 454 | |
7cac9316 XL |
455 | fn parse_run_flags(&self, line: &str) -> Option<String> { |
456 | self.parse_name_value_directive(line, "run-flags") | |
457 | } | |
a7813a04 | 458 | |
7cac9316 XL |
459 | fn parse_check_line(&self, line: &str) -> Option<String> { |
460 | self.parse_name_value_directive(line, "check") | |
461 | } | |
a7813a04 | 462 | |
7cac9316 XL |
463 | fn parse_force_host(&self, line: &str) -> bool { |
464 | self.parse_name_directive(line, "force-host") | |
465 | } | |
a7813a04 | 466 | |
7cac9316 XL |
467 | fn parse_build_aux_docs(&self, line: &str) -> bool { |
468 | self.parse_name_directive(line, "build-aux-docs") | |
469 | } | |
a7813a04 | 470 | |
7cac9316 XL |
471 | fn parse_check_stdout(&self, line: &str) -> bool { |
472 | self.parse_name_directive(line, "check-stdout") | |
473 | } | |
a7813a04 | 474 | |
7cac9316 XL |
475 | fn parse_no_prefer_dynamic(&self, line: &str) -> bool { |
476 | self.parse_name_directive(line, "no-prefer-dynamic") | |
477 | } | |
a7813a04 | 478 | |
7cac9316 XL |
479 | fn parse_pretty_expanded(&self, line: &str) -> bool { |
480 | self.parse_name_directive(line, "pretty-expanded") | |
481 | } | |
a7813a04 | 482 | |
7cac9316 XL |
483 | fn parse_pretty_mode(&self, line: &str) -> Option<String> { |
484 | self.parse_name_value_directive(line, "pretty-mode") | |
485 | } | |
a7813a04 | 486 | |
7cac9316 XL |
487 | fn parse_pretty_compare_only(&self, line: &str) -> bool { |
488 | self.parse_name_directive(line, "pretty-compare-only") | |
489 | } | |
9e0c209e | 490 | |
7cac9316 XL |
491 | fn parse_must_compile_successfully(&self, line: &str) -> bool { |
492 | self.parse_name_directive(line, "must-compile-successfully") | |
493 | } | |
494 | ||
495 | fn parse_check_test_line_numbers_match(&self, line: &str) -> bool { | |
496 | self.parse_name_directive(line, "check-test-line-numbers-match") | |
497 | } | |
8bb4bdeb | 498 | |
7cac9316 XL |
499 | fn parse_run_pass(&self, line: &str) -> bool { |
500 | self.parse_name_directive(line, "run-pass") | |
501 | } | |
502 | ||
503 | fn parse_env(&self, line: &str, name: &str) -> Option<(String, String)> { | |
504 | self.parse_name_value_directive(line, name).map(|nv| { | |
505 | // nv is either FOO or FOO=BAR | |
506 | let mut strs: Vec<String> = nv.splitn(2, '=') | |
507 | .map(str::to_owned) | |
508 | .collect(); | |
a7813a04 | 509 | |
7cac9316 XL |
510 | match strs.len() { |
511 | 1 => (strs.pop().unwrap(), "".to_owned()), | |
512 | 2 => { | |
513 | let end = strs.pop().unwrap(); | |
514 | (strs.pop().unwrap(), end) | |
515 | } | |
516 | n => panic!("Expected 1 or 2 strings, not {}", n), | |
5bcae85e | 517 | } |
7cac9316 XL |
518 | }) |
519 | } | |
a7813a04 | 520 | |
7cac9316 XL |
521 | fn parse_pp_exact(&self, line: &str, testfile: &Path) -> Option<PathBuf> { |
522 | if let Some(s) = self.parse_name_value_directive(line, "pp-exact") { | |
523 | Some(PathBuf::from(&s)) | |
041b39d2 XL |
524 | } else if self.parse_name_directive(line, "pp-exact") { |
525 | testfile.file_name().map(PathBuf::from) | |
a7813a04 | 526 | } else { |
041b39d2 XL |
527 | None |
528 | } | |
529 | } | |
530 | ||
531 | fn parse_custom_normalization(&self, mut line: &str, prefix: &str) -> Option<(String, String)> { | |
532 | if self.parse_cfg_name_directive(line, prefix) { | |
533 | let from = match parse_normalization_string(&mut line) { | |
534 | Some(s) => s, | |
535 | None => return None, | |
536 | }; | |
537 | let to = match parse_normalization_string(&mut line) { | |
538 | Some(s) => s, | |
539 | None => return None, | |
540 | }; | |
541 | Some((from, to)) | |
542 | } else { | |
543 | None | |
544 | } | |
545 | } | |
546 | ||
547 | /// Parses a name-value directive which contains config-specific information, e.g. `ignore-x86` | |
548 | /// or `normalize-stderr-32bit`. Returns `true` if the line matches it. | |
549 | fn parse_cfg_name_directive(&self, line: &str, prefix: &str) -> bool { | |
550 | if line.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') { | |
551 | let name = line[prefix.len()+1 ..].split(&[':', ' '][..]).next().unwrap(); | |
552 | ||
553 | name == "test" || | |
abe05a73 | 554 | util::matches_os(&self.target, name) || // target |
041b39d2 XL |
555 | name == util::get_arch(&self.target) || // architecture |
556 | name == util::get_pointer_width(&self.target) || // pointer width | |
557 | name == self.stage_id.split('-').next().unwrap() || // stage | |
558 | Some(name) == util::get_env(&self.target) || // env | |
559 | match self.mode { | |
560 | common::DebugInfoGdb => name == "gdb", | |
561 | common::DebugInfoLldb => name == "lldb", | |
562 | common::Pretty => name == "pretty", | |
563 | _ => false, | |
564 | } || | |
565 | (self.target != self.host && name == "cross-compile") | |
566 | } else { | |
567 | false | |
a7813a04 XL |
568 | } |
569 | } | |
a7813a04 | 570 | |
2c00a5a8 XL |
571 | fn has_cfg_prefix(&self, line: &str, prefix: &str) -> bool { |
572 | // returns whether this line contains this prefix or not. For prefix | |
573 | // "ignore", returns true if line says "ignore-x86_64", "ignore-arch", | |
574 | // "ignore-andorid" etc. | |
575 | line.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') | |
576 | } | |
577 | ||
7cac9316 XL |
578 | fn parse_name_directive(&self, line: &str, directive: &str) -> bool { |
579 | // Ensure the directive is a whole word. Do not match "ignore-x86" when | |
580 | // the line says "ignore-x86_64". | |
581 | line.starts_with(directive) && match line.as_bytes().get(directive.len()) { | |
582 | None | Some(&b' ') | Some(&b':') => true, | |
583 | _ => false | |
584 | } | |
585 | } | |
a7813a04 | 586 | |
7cac9316 XL |
587 | pub fn parse_name_value_directive(&self, line: &str, directive: &str) -> Option<String> { |
588 | let colon = directive.len(); | |
589 | if line.starts_with(directive) && line.as_bytes().get(colon) == Some(&b':') { | |
590 | let value = line[(colon + 1) ..].to_owned(); | |
591 | debug!("{}: {}", directive, value); | |
592 | Some(expand_variables(value, self)) | |
593 | } else { | |
594 | None | |
595 | } | |
a7813a04 | 596 | } |
abe05a73 XL |
597 | |
598 | pub fn find_rust_src_root(&self) -> Option<PathBuf> { | |
599 | let mut path = self.src_base.clone(); | |
600 | let path_postfix = Path::new("src/etc/lldb_batchmode.py"); | |
601 | ||
602 | while path.pop() { | |
603 | if path.join(&path_postfix).is_file() { | |
604 | return Some(path); | |
605 | } | |
606 | } | |
607 | ||
608 | None | |
609 | } | |
a7813a04 XL |
610 | } |
611 | ||
a7813a04 | 612 | pub fn lldb_version_to_int(version_string: &str) -> isize { |
5bcae85e SL |
613 | let error_string = format!("Encountered LLDB version string with unexpected format: {}", |
614 | version_string); | |
041b39d2 | 615 | version_string.parse().expect(&error_string) |
a7813a04 | 616 | } |
7cac9316 XL |
617 | |
618 | fn expand_variables(mut value: String, config: &Config) -> String { | |
619 | const CWD: &'static str = "{{cwd}}"; | |
620 | const SRC_BASE: &'static str = "{{src-base}}"; | |
621 | const BUILD_BASE: &'static str = "{{build-base}}"; | |
622 | ||
623 | if value.contains(CWD) { | |
624 | let cwd = env::current_dir().unwrap(); | |
625 | value = value.replace(CWD, &cwd.to_string_lossy()); | |
626 | } | |
627 | ||
628 | if value.contains(SRC_BASE) { | |
629 | value = value.replace(SRC_BASE, &config.src_base.to_string_lossy()); | |
630 | } | |
631 | ||
632 | if value.contains(BUILD_BASE) { | |
633 | value = value.replace(BUILD_BASE, &config.build_base.to_string_lossy()); | |
634 | } | |
635 | ||
636 | value | |
637 | } | |
041b39d2 XL |
638 | |
639 | /// Finds the next quoted string `"..."` in `line`, and extract the content from it. Move the `line` | |
640 | /// variable after the end of the quoted string. | |
641 | /// | |
642 | /// # Examples | |
643 | /// | |
644 | /// ``` | |
645 | /// let mut s = "normalize-stderr-32bit: \"something (32 bits)\" -> \"something ($WORD bits)\"."; | |
646 | /// let first = parse_normalization_string(&mut s); | |
647 | /// assert_eq!(first, Some("something (32 bits)".to_owned())); | |
648 | /// assert_eq!(s, " -> \"something ($WORD bits)\"."); | |
649 | /// ``` | |
650 | fn parse_normalization_string(line: &mut &str) -> Option<String> { | |
651 | // FIXME support escapes in strings. | |
652 | let begin = match line.find('"') { | |
653 | Some(i) => i + 1, | |
654 | None => return None, | |
655 | }; | |
656 | let end = match line[begin..].find('"') { | |
657 | Some(i) => i + begin, | |
658 | None => return None, | |
659 | }; | |
660 | let result = line[begin..end].to_owned(); | |
661 | *line = &line[end+1..]; | |
662 | Some(result) | |
663 | } |