---

yaml
---
r: 175743
b: refs/heads/auto
c: 41e2d71
h: refs/heads/master
i:
  175741: 65d4bf4
  175739: 796a581
  175735: eb11f5b
  175727: 4a0db2d
  175711: d10109c
  175679: ccf30b7
  175615: 1a259b9
v: v3

Author: flaper87

[refs]

@@ -10,7 +10,7 @@ refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: 76c279a4cfc9e54327bcc668a895ec19185139e9
+refs/heads/auto: 41e2d71589d3ff1ae2a271f8fe69e1d0652402f2
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336

branches/auto/mk/crates.mk

@@ -51,7 +51,7 @@
 
 TARGET_CRATES := libc std flate arena term \
                  serialize getopts collections test rand \
-                 log regex graphviz core rbml alloc \
+                 log graphviz core rbml alloc \
                  unicode rustc_bitflags
 RUSTC_CRATES := rustc rustc_typeck rustc_borrowck rustc_resolve rustc_driver \
                 rustc_trans rustc_back rustc_llvm rustc_privacy
@@ -95,16 +95,15 @@ DEPS_term := std log
 DEPS_getopts := std
 DEPS_collections := core alloc unicode
 DEPS_num := std
-DEPS_test := std getopts serialize rbml term regex native:rust_test_helpers
+DEPS_test := std getopts serialize rbml term native:rust_test_helpers
 DEPS_rand := core
-DEPS_log := std regex
-DEPS_regex := std
+DEPS_log := std
 DEPS_fmt_macros = std
 
 TOOL_DEPS_compiletest := test getopts
 TOOL_DEPS_rustdoc := rustdoc
 TOOL_DEPS_rustc := rustc_driver
-TOOL_DEPS_rustbook := std regex rustdoc
+TOOL_DEPS_rustbook := std rustdoc
 TOOL_SOURCE_compiletest := $(S)src/compiletest/compiletest.rs
 TOOL_SOURCE_rustdoc := $(S)src/driver/driver.rs
 TOOL_SOURCE_rustc := $(S)src/driver/driver.rs
@@ -130,9 +129,8 @@ DOC_CRATES := $(filter-out rustc, \
               $(filter-out rustc_driver, \
               $(filter-out rustc_privacy, \
               $(filter-out log, \
-              $(filter-out regex, \
               $(filter-out getopts, \
-              $(filter-out syntax, $(CRATES))))))))))))
+              $(filter-out syntax, $(CRATES)))))))))))
 COMPILER_DOC_CRATES := rustc rustc_trans rustc_borrowck rustc_resolve \
                        rustc_typeck rustc_driver syntax rustc_privacy
 

branches/auto/src/compiletest/common.rs

@@ -11,7 +11,6 @@ pub use self::Mode::*;
 
 use std::fmt;
 use std::str::FromStr;
-use regex::Regex;
 
 #[derive(Clone, PartialEq, Debug)]
 pub enum Mode {
@@ -101,10 +100,7 @@ pub struct Config {
     pub run_ignored: bool,
 
     // Only run tests that match this filter
-    pub filter: Option<Regex>,
-
-    // Precompiled regex for finding expected errors in cfail
-    pub cfail_regex: Regex,
+    pub filter: Option<String>,
 
     // Write out a parseable log of tests that were run
     pub logfile: Option<Path>,

branches/auto/src/compiletest/compiletest.rs

@@ -22,7 +22,6 @@ extern crate getopts;
 
 #[macro_use]
 extern crate log;
-extern crate regex;
 
 use std::os;
 use std::io;
@@ -33,7 +32,6 @@ use getopts::{optopt, optflag, reqopt};
 use common::Config;
 use common::{Pretty, DebugInfoGdb, DebugInfoLldb, Codegen};
 use util::logv;
-use regex::Regex;
 
 pub mod procsrv;
 pub mod util;
@@ -116,14 +114,7 @@ pub fn parse_config(args: Vec<String> ) -> Config {
     }
 
     let filter = if !matches.free.is_empty() {
-        let s = matches.free[0].as_slice();
-        match regex::Regex::new(s) {
-            Ok(re) => Some(re),
-            Err(e) => {
-                println!("failed to parse filter /{}/: {:?}", s, e);
-                panic!()
-            }
-        }
+        Some(matches.free[0].clone())
     } else {
         None
     };
@@ -145,7 +136,6 @@ pub fn parse_config(args: Vec<String> ) -> Config {
                                        .as_slice()).expect("invalid mode"),
         run_ignored: matches.opt_present("ignored"),
         filter: filter,
-        cfail_regex: Regex::new(errors::EXPECTED_PATTERN).unwrap(),
         logfile: matches.opt_str("logfile").map(|s| Path::new(s)),
         runtool: matches.opt_str("runtool"),
         host_rustcflags: matches.opt_str("host-rustcflags"),
@@ -374,18 +364,24 @@ fn extract_gdb_version(full_version_line: Option<String>) -> Option<String> {
           if full_version_line.as_slice().trim().len() > 0 => {
             let full_version_line = full_version_line.as_slice().trim();
 
-            let re = Regex::new(r"(^|[^0-9])([0-9]\.[0-9])([^0-9]|$)").unwrap();
-
-            match re.captures(full_version_line) {
-                Some(captures) => {
-                    Some(captures.at(2).unwrap_or("").to_string())
+            // used to be a regex "(^|[^0-9])([0-9]\.[0-9])([^0-9]|$)"
+            for (pos, c) in full_version_line.char_indices() {
+                if !c.is_digit(10) { continue }
+                if pos + 2 >= full_version_line.len() { continue }
+                if full_version_line.char_at(pos + 1) != '.' { continue }
+                if !full_version_line.char_at(pos + 2).is_digit(10) { continue }
+                if pos > 0 && full_version_line.char_at_reverse(pos).is_digit(10) {
+                    continue
                 }
-                None => {
-                    println!("Could not extract GDB version from line '{}'",
-                             full_version_line);
-                    None
+                if pos + 3 < full_version_line.len() &&
+                   full_version_line.char_at(pos + 3).is_digit(10) {
+                    continue
                 }
+                return Some(full_version_line[pos..pos+3].to_string());
             }
+            println!("Could not extract GDB version from line '{}'",
+                     full_version_line);
+            None
         },
         _ => None
     }
@@ -408,18 +404,26 @@ fn extract_lldb_version(full_version_line: Option<String>) -> Option<String> {
           if full_version_line.as_slice().trim().len() > 0 => {
             let full_version_line = full_version_line.as_slice().trim();
 
-            let re = Regex::new(r"[Ll][Ll][Dd][Bb]-([0-9]+)").unwrap();
-
-            match re.captures(full_version_line) {
-                Some(captures) => {
-                    Some(captures.at(1).unwrap_or("").to_string())
-                }
-                None => {
-                    println!("Could not extract LLDB version from line '{}'",
-                             full_version_line);
-                    None
-                }
+            for (pos, l) in full_version_line.char_indices() {
+                if l != 'l' && l != 'L' { continue }
+                if pos + 5 >= full_version_line.len() { continue }
+                let l = full_version_line.char_at(pos + 1);
+                if l != 'l' && l != 'L' { continue }
+                let d = full_version_line.char_at(pos + 2);
+                if d != 'd' && d != 'D' { continue }
+                let b = full_version_line.char_at(pos + 3);
+                if b != 'b' && b != 'B' { continue }
+                let dash = full_version_line.char_at(pos + 4);
+                if dash != '-' { continue }
+
+                let vers = full_version_line[pos + 5..].chars().take_while(|c| {
+                    c.is_digit(10)
+                }).collect::<String>();
+                if vers.len() > 0 { return Some(vers) }
             }
+            println!("Could not extract LLDB version from line '{}'",
+                     full_version_line);
+            None
         },
         _ => None
     }

branches/auto/src/compiletest/errors.rs

@@ -9,32 +9,26 @@
 // except according to those terms.
 use self::WhichLine::*;
 
-use std::ascii::AsciiExt;
 use std::io::{BufferedReader, File};
-use regex::Regex;
 
 pub struct ExpectedError {
     pub line: uint,
     pub kind: String,
     pub msg: String,
 }
 
+#[derive(PartialEq, Show)]
+enum WhichLine { ThisLine, FollowPrevious(uint), AdjustBackward(uint) }
+
 /// Looks for either "//~| KIND MESSAGE" or "//~^^... KIND MESSAGE"
 /// The former is a "follow" that inherits its target from the preceding line;
 /// the latter is an "adjusts" that goes that many lines up.
 ///
 /// Goal is to enable tests both like: //~^^^ ERROR go up three
 /// and also //~^ ERROR message one for the preceding line, and
 ///          //~| ERROR message two for that same line.
-
-pub static EXPECTED_PATTERN : &'static str =
-    r"//~(?P<follow>\|)?(?P<adjusts>\^*)\s*(?P<kind>\S*)\s*(?P<msg>.*)";
-
-#[derive(PartialEq, Show)]
-enum WhichLine { ThisLine, FollowPrevious(uint), AdjustBackward(uint) }
-
 // Load any test directives embedded in the file
-pub fn load_errors(re: &Regex, testfile: &Path) -> Vec<ExpectedError> {
+pub fn load_errors(testfile: &Path) -> Vec<ExpectedError> {
     let mut rdr = BufferedReader::new(File::open(testfile).unwrap());
 
     // `last_nonfollow_error` tracks the most recently seen
@@ -50,7 +44,7 @@ pub fn load_errors(re: &Regex, testfile: &Path) -> Vec<ExpectedError> {
     rdr.lines().enumerate().filter_map(|(line_no, ln)| {
         parse_expected(last_nonfollow_error,
                        line_no + 1,
-                       ln.unwrap().as_slice(), re)
+                       ln.unwrap().as_slice())
             .map(|(which, error)| {
                 match which {
                     FollowPrevious(_) => {}
@@ -63,30 +57,39 @@ pub fn load_errors(re: &Regex, testfile: &Path) -> Vec<ExpectedError> {
 
 fn parse_expected(last_nonfollow_error: Option<uint>,
                   line_num: uint,
-                  line: &str,
-                  re: &Regex) -> Option<(WhichLine, ExpectedError)> {
-    re.captures(line).and_then(|caps| {
-        let adjusts = caps.name("adjusts").unwrap_or("").len();
-        let kind = caps.name("kind").unwrap_or("").to_ascii_lowercase();
-        let msg = caps.name("msg").unwrap_or("").trim().to_string();
-        let follow = caps.name("follow").unwrap_or("").len() > 0;
+                  line: &str) -> Option<(WhichLine, ExpectedError)> {
+    let start = match line.find_str("//~") { Some(i) => i, None => return None };
+    let (follow, adjusts) = if line.char_at(start + 3) == '|' {
+        (true, 0)
+    } else {
+        (false, line[start + 3..].chars().take_while(|c| *c == '^').count())
+    };
+    let kind_start = start + 3 + adjusts + (follow as usize);
+    let letters = line[kind_start..].chars();
+    let kind = letters.skip_while(|c| c.is_whitespace())
+                      .take_while(|c| !c.is_whitespace())
+                      .map(|c| c.to_lowercase())
+                      .collect::<String>();
+    let letters = line[kind_start..].chars();
+    let msg = letters.skip_while(|c| c.is_whitespace())
+                     .skip_while(|c| !c.is_whitespace())
+                     .collect::<String>().trim().to_string();
 
-        let (which, line) = if follow {
-            assert!(adjusts == 0, "use either //~| or //~^, not both.");
-            let line = last_nonfollow_error.unwrap_or_else(|| {
-                panic!("encountered //~| without preceding //~^ line.")
-            });
-            (FollowPrevious(line), line)
-        } else {
-            let which =
-                if adjusts > 0 { AdjustBackward(adjusts) } else { ThisLine };
-            let line = line_num - adjusts;
-            (which, line)
-        };
+    let (which, line) = if follow {
+        assert!(adjusts == 0, "use either //~| or //~^, not both.");
+        let line = last_nonfollow_error.unwrap_or_else(|| {
+            panic!("encountered //~| without preceding //~^ line.")
+        });
+        (FollowPrevious(line), line)
+    } else {
+        let which =
+            if adjusts > 0 { AdjustBackward(adjusts) } else { ThisLine };
+        let line = line_num - adjusts;
+        (which, line)
+    };
 
-        debug!("line={} which={:?} kind={:?} msg={:?}", line_num, which, kind, msg);
-        Some((which, ExpectedError { line: line,
-                                     kind: kind,
-                                     msg: msg, }))
-    })
+    debug!("line={} which={:?} kind={:?} msg={:?}", line_num, which, kind, msg);
+    Some((which, ExpectedError { line: line,
+                                 kind: kind,
+                                 msg: msg, }))
 }

branches/auto/src/compiletest/runtest.rs

@@ -99,7 +99,7 @@ fn run_cfail_test(config: &Config, props: &TestProps, testfile: &Path) {
     }
 
     let output_to_check = get_output(props, &proc_res);
-    let expected_errors = errors::load_errors(&config.cfail_regex, testfile);
+    let expected_errors = errors::load_errors(testfile);
     if !expected_errors.is_empty() {
         if !props.error_patterns.is_empty() {
             fatal("both error pattern and expected errors specified");