145 lines
4.2 KiB
Rust
145 lines
4.2 KiB
Rust
use common::config;
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use io::ReaderUtil;
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export test_props;
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export load_props;
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export is_test_ignored;
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type test_props = {
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// Lines that should be expected, in order, on standard out
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error_patterns: ~[~str],
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// Extra flags to pass to the compiler
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compile_flags: Option<~str>,
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// If present, the name of a file that this test should match when
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// pretty-printed
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pp_exact: Option<Path>,
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// Modules from aux directory that should be compiled
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aux_builds: ~[~str],
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// Environment settings to use during execution
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exec_env: ~[(~str,~str)]
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};
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// Load any test directives embedded in the file
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fn load_props(testfile: &Path) -> test_props {
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let mut error_patterns = ~[];
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let mut aux_builds = ~[];
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let mut exec_env = ~[];
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let mut compile_flags = option::None;
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let mut pp_exact = option::None;
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for iter_header(testfile) |ln| {
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match parse_error_pattern(ln) {
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option::Some(ep) => error_patterns.push(ep),
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option::None => ()
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};
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if compile_flags.is_none() {
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compile_flags = parse_compile_flags(ln);
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}
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if pp_exact.is_none() {
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pp_exact = parse_pp_exact(ln, testfile);
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}
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do parse_aux_build(ln).iter |ab| {
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aux_builds.push(ab);
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}
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do parse_exec_env(ln).iter |ee| {
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exec_env.push(ee);
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}
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};
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return {
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error_patterns: error_patterns,
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compile_flags: compile_flags,
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pp_exact: pp_exact,
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aux_builds: aux_builds,
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exec_env: exec_env
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};
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}
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fn is_test_ignored(config: config, testfile: &Path) -> bool {
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let mut found = false;
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for iter_header(testfile) |ln| {
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if parse_name_directive(ln, ~"xfail-test") { return true; }
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if parse_name_directive(ln, xfail_target()) { return true; }
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if config.mode == common::mode_pretty &&
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parse_name_directive(ln, ~"xfail-pretty") { return true; }
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};
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return found;
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fn xfail_target() -> ~str {
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~"xfail-" + os::sysname()
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}
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}
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fn iter_header(testfile: &Path, it: fn(~str) -> bool) -> bool {
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let rdr = io::file_reader(testfile).get();
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while !rdr.eof() {
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let ln = rdr.read_line();
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// Assume that any directives will be found before the first
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// module or function. This doesn't seem to be an optimization
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// with a warm page cache. Maybe with a cold one.
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if str::starts_with(ln, ~"fn")
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|| str::starts_with(ln, ~"mod") {
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return false;
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} else { if !(it(ln)) { return false; } }
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}
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return true;
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}
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fn parse_error_pattern(line: ~str) -> Option<~str> {
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parse_name_value_directive(line, ~"error-pattern")
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}
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fn parse_aux_build(line: ~str) -> Option<~str> {
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parse_name_value_directive(line, ~"aux-build")
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}
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fn parse_compile_flags(line: ~str) -> Option<~str> {
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parse_name_value_directive(line, ~"compile-flags")
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}
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fn parse_exec_env(line: ~str) -> Option<(~str, ~str)> {
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do parse_name_value_directive(line, ~"exec-env").map |nv| {
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// nv is either FOO or FOO=BAR
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let strs = str::splitn_char(nv, '=', 1u);
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match strs.len() {
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1u => (strs[0], ~""),
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2u => (strs[0], strs[1]),
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n => fail fmt!("Expected 1 or 2 strings, not %u", n)
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}
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}
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}
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fn parse_pp_exact(line: ~str, testfile: &Path) -> Option<Path> {
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match parse_name_value_directive(line, ~"pp-exact") {
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option::Some(s) => option::Some(Path(s)),
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option::None => {
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if parse_name_directive(line, ~"pp-exact") {
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option::Some(testfile.file_path())
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} else {
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option::None
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}
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}
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}
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}
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fn parse_name_directive(line: ~str, directive: ~str) -> bool {
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str::contains(line, directive)
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}
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fn parse_name_value_directive(line: ~str,
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directive: ~str) -> Option<~str> unsafe {
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let keycolon = directive + ~":";
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match str::find_str(line, keycolon) {
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option::Some(colon) => {
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let value = str::slice(line, colon + str::len(keycolon),
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str::len(line));
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debug!("%s: %s", directive, value);
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option::Some(value)
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}
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option::None => option::None
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}
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}
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