auto merge of #16322 : michaelwoerister/rust/gdb-pretty, r=alexcrichton
Also extends the autotest framework to let a test case choose if pretty printing should be enabled.
This commit is contained in:
bors
commit
c8e86e977f
7
configure
vendored
7
configure
vendored
@ -515,6 +515,13 @@ probe CFG_LUALATEX lualatex
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probe CFG_GDB gdb
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probe CFG_LLDB lldb
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if [ ! -z "$CFG_GDB" ]
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then
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# Extract the version
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CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
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putvar CFG_GDB_VERSION
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fi
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if [ ! -z "$CFG_LLDB" ]
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then
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# If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
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@ -623,6 +623,7 @@ CTEST_COMMON_ARGS$(1)-T-$(2)-H-$(3) := \
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--stage-id stage$(1)-$(2) \
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--target $(2) \
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--host $(3) \
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--gdb-version="$(CFG_GDB_VERSION)" \
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--android-cross-path=$(CFG_ANDROID_CROSS_PATH) \
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--adb-path=$(CFG_ADB) \
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--adb-test-dir=$(CFG_ADB_TEST_DIR) \
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@ -130,6 +130,9 @@ pub struct Config {
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// Host triple for the compiler being invoked
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pub host: String,
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// Version of GDB
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pub gdb_version: Option<String>,
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// Path to the android tools
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pub android_cross_path: Path,
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@ -81,6 +81,7 @@ pub fn parse_config(args: Vec<String> ) -> Config {
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optflag("", "jit", "run tests under the JIT"),
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optopt("", "target", "the target to build for", "TARGET"),
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optopt("", "host", "the host to build for", "HOST"),
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optopt("", "gdb-version", "the version of GDB used", "MAJOR.MINOR"),
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optopt("", "android-cross-path", "Android NDK standalone path", "PATH"),
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optopt("", "adb-path", "path to the android debugger", "PATH"),
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optopt("", "adb-test-dir", "path to tests for the android debugger", "PATH"),
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@ -157,6 +158,7 @@ pub fn parse_config(args: Vec<String> ) -> Config {
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jit: matches.opt_present("jit"),
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target: opt_str2(matches.opt_str("target")),
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host: opt_str2(matches.opt_str("host")),
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gdb_version: extract_gdb_version(matches.opt_str("gdb-version")),
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android_cross_path: opt_path(matches, "android-cross-path"),
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adb_path: opt_str2(matches.opt_str("adb-path")),
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adb_test_dir: opt_str2(matches.opt_str("adb-test-dir")),
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@ -376,3 +378,26 @@ pub fn make_metrics_test_closure(config: &Config, testfile: &Path) -> test::Test
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runtest::run_metrics(config, testfile, mm)
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})
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}
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fn extract_gdb_version(full_version_line: Option<String>) -> Option<String> {
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match full_version_line {
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Some(ref full_version_line)
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if full_version_line.as_slice().trim().len() > 0 => {
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let full_version_line = full_version_line.as_slice().trim();
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let re = Regex::new(r"(^|[^0-9])([0-9]\.[0-9])([^0-9]|$)").unwrap();
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match re.captures(full_version_line) {
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Some(captures) => {
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Some(captures.at(2).to_string())
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}
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None => {
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println!("Could not extract GDB version from line '{}'",
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full_version_line);
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None
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}
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}
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},
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_ => None
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}
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}
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@ -12,6 +12,8 @@ use common::Config;
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use common;
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use util;
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use std::from_str::FromStr;
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pub struct TestProps {
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// Lines that should be expected, in order, on standard out
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pub error_patterns: Vec<String> ,
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@ -142,23 +144,42 @@ pub fn is_test_ignored(config: &Config, testfile: &Path) -> bool {
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format!("ignore-{}",
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config.stage_id.as_slice().split('-').next().unwrap())
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}
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fn ignore_gdb(config: &Config, line: &str) -> bool {
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if config.mode != common::DebugInfoGdb {
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return false;
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}
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if parse_name_directive(line, "ignore-gdb") {
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return true;
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}
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match config.gdb_version {
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Some(ref actual_version) => {
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if line.contains("min-gdb-version") {
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let min_version = line.trim()
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.split(' ')
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.last()
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.expect("Malformed GDB version directive");
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// Ignore if actual version is smaller the minimum required
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// version
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gdb_version_to_int(actual_version.as_slice()) <
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gdb_version_to_int(min_version.as_slice())
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} else {
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false
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}
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}
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None => false
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}
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}
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let val = iter_header(testfile, |ln| {
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if parse_name_directive(ln, "ignore-test") {
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false
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} else if parse_name_directive(ln, ignore_target(config).as_slice()) {
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false
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} else if parse_name_directive(ln, ignore_stage(config).as_slice()) {
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false
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} else if config.mode == common::Pretty &&
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parse_name_directive(ln, "ignore-pretty") {
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false
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} else if config.target != config.host &&
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parse_name_directive(ln, "ignore-cross-compile") {
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false
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} else {
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true
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}
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!parse_name_directive(ln, "ignore-test") &&
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!parse_name_directive(ln, ignore_target(config).as_slice()) &&
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!parse_name_directive(ln, ignore_stage(config).as_slice()) &&
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!(config.mode == common::Pretty && parse_name_directive(ln, "ignore-pretty")) &&
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!(config.target != config.host && parse_name_directive(ln, "ignore-cross-compile")) &&
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!ignore_gdb(config, ln) &&
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!(config.mode == common::DebugInfoLldb && parse_name_directive(ln, "ignore-lldb"))
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});
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!val
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@ -278,3 +299,21 @@ pub fn parse_name_value_directive(line: &str, directive: &str)
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None => None
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}
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}
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pub fn gdb_version_to_int(version_string: &str) -> int {
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let error_string = format!(
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"Encountered GDB version string with unexpected format: {}",
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version_string);
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let error_string = error_string.as_slice();
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let components: Vec<&str> = version_string.trim().split('.').collect();
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if components.len() != 2 {
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fail!("{}", error_string);
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}
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let major: int = FromStr::from_str(components[0]).expect(error_string);
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let minor: int = FromStr::from_str(components[1]).expect(error_string);
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return major * 1000 + minor;
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}
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@ -323,7 +323,12 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
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};
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let config = &mut config;
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let DebuggerCommands { commands, check_lines, .. } = parse_debugger_commands(testfile, "gdb");
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let DebuggerCommands {
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commands,
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check_lines,
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use_gdb_pretty_printer,
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..
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} = parse_debugger_commands(testfile, "gdb");
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let mut cmds = commands.connect("\n");
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// compile test file (it should have 'compile-flags:-g' in the header)
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@ -334,7 +339,6 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
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let exe_file = make_exe_name(config, testfile);
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let mut proc_args;
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let debugger_run_result;
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match config.target.as_slice() {
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"arm-linux-androideabi" => {
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@ -454,18 +458,65 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
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}
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_=> {
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let rust_src_root = find_rust_src_root(config)
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.expect("Could not find Rust source root");
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let rust_pp_module_rel_path = Path::new("./src/etc");
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let rust_pp_module_abs_path = rust_src_root.join(rust_pp_module_rel_path)
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.as_str()
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.unwrap()
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.to_string();
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// write debugger script
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let script_str = [
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"set charset UTF-8".to_string(),
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cmds,
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"quit\n".to_string()
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].connect("\n");
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let mut script_str = String::with_capacity(2048);
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script_str.push_str("set charset UTF-8\n");
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script_str.push_str("show version\n");
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match config.gdb_version {
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Some(ref version) => {
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println!("NOTE: compiletest thinks it is using GDB version {}",
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version.as_slice());
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if header::gdb_version_to_int(version.as_slice()) >
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header::gdb_version_to_int("7.4") {
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// Add the directory containing the pretty printers to
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// GDB's script auto loading safe path ...
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script_str.push_str(
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format!("add-auto-load-safe-path {}\n",
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rust_pp_module_abs_path.as_slice())
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.as_slice());
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// ... and also the test directory
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script_str.push_str(
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format!("add-auto-load-safe-path {}\n",
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config.build_base.as_str().unwrap())
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.as_slice());
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}
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}
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_ => {
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println!("NOTE: compiletest does not know which version of \
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GDB it is using");
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}
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}
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// Load the target executable
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script_str.push_str(format!("file {}\n",
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exe_file.as_str().unwrap())
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.as_slice());
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script_str.push_str(cmds.as_slice());
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script_str.push_str("quit\n");
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debug!("script_str = {}", script_str);
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dump_output_file(config,
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testfile,
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script_str.as_slice(),
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"debugger.script");
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if use_gdb_pretty_printer {
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// Only emit the gdb auto-loading script if pretty printers
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// should actually be loaded
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dump_gdb_autoload_script(config, testfile);
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}
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// run debugger script with gdb
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#[cfg(windows)]
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fn debugger() -> String {
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@ -483,16 +534,19 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
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vec!("-quiet".to_string(),
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"-batch".to_string(),
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"-nx".to_string(),
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format!("-command={}", debugger_script.as_str().unwrap()),
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exe_file.as_str().unwrap().to_string());
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proc_args = ProcArgs {
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format!("-command={}", debugger_script.as_str().unwrap()));
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let proc_args = ProcArgs {
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prog: debugger(),
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args: debugger_opts,
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};
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let environment = vec![("PYTHONPATH".to_string(), rust_pp_module_abs_path)];
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debugger_run_result = compose_and_run(config,
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testfile,
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proc_args,
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Vec::new(),
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environment,
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config.run_lib_path.as_slice(),
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None,
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None);
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@ -504,6 +558,32 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
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}
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check_debugger_output(&debugger_run_result, check_lines.as_slice());
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fn dump_gdb_autoload_script(config: &Config, testfile: &Path) {
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let mut script_path = output_base_name(config, testfile);
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let mut script_file_name = script_path.filename().unwrap().to_vec();
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script_file_name.push_all("-gdb.py".as_bytes());
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script_path.set_filename(script_file_name.as_slice());
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let script_content = "import gdb_rust_pretty_printing\n\
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gdb_rust_pretty_printing.register_printers(gdb.current_objfile())\n"
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.as_bytes();
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File::create(&script_path).write(script_content).unwrap();
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}
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}
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fn find_rust_src_root(config: &Config) -> Option<Path> {
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let mut path = config.src_base.clone();
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let path_postfix = Path::new("src/etc/lldb_batchmode.py");
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while path.pop() {
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if path.join(path_postfix.clone()).is_file() {
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return Some(path);
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}
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}
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return None;
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}
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fn run_debuginfo_lldb_test(config: &Config, props: &TestProps, testfile: &Path) {
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@ -533,7 +613,8 @@ fn run_debuginfo_lldb_test(config: &Config, props: &TestProps, testfile: &Path)
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let DebuggerCommands {
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commands,
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check_lines,
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breakpoint_lines
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breakpoint_lines,
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..
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} = parse_debugger_commands(testfile, "lldb");
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// Write debugger script:
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@ -619,6 +700,7 @@ struct DebuggerCommands {
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commands: Vec<String>,
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check_lines: Vec<String>,
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breakpoint_lines: Vec<uint>,
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use_gdb_pretty_printer: bool
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}
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fn parse_debugger_commands(file_path: &Path, debugger_prefix: &str)
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@ -631,6 +713,7 @@ fn parse_debugger_commands(file_path: &Path, debugger_prefix: &str)
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let mut breakpoint_lines = vec!();
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let mut commands = vec!();
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let mut check_lines = vec!();
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let mut use_gdb_pretty_printer = false;
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let mut counter = 1;
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let mut reader = BufferedReader::new(File::open(file_path).unwrap());
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for line in reader.lines() {
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@ -640,6 +723,10 @@ fn parse_debugger_commands(file_path: &Path, debugger_prefix: &str)
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breakpoint_lines.push(counter);
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}
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if line.as_slice().contains("gdb-use-pretty-printer") {
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use_gdb_pretty_printer = true;
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}
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|
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header::parse_name_value_directive(
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line.as_slice(),
|
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command_directive.as_slice()).map(|cmd| {
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@ -663,7 +750,8 @@ fn parse_debugger_commands(file_path: &Path, debugger_prefix: &str)
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DebuggerCommands {
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commands: commands,
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check_lines: check_lines,
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breakpoint_lines: breakpoint_lines
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breakpoint_lines: breakpoint_lines,
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use_gdb_pretty_printer: use_gdb_pretty_printer,
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}
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}
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|
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|
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231
src/etc/gdb_rust_pretty_printing.py
Normal file
231
src/etc/gdb_rust_pretty_printing.py
Normal file
@ -0,0 +1,231 @@
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# Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
|
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# file at the top-level directory of this distribution and at
|
||||
# http://rust-lang.org/COPYRIGHT.
|
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#
|
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||||
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||||
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||||
# option. This file may not be copied, modified, or distributed
|
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# except according to those terms.
|
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|
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import gdb
|
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|
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#===============================================================================
|
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# GDB Pretty Printing Module for Rust
|
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#===============================================================================
|
||||
|
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def register_printers(objfile):
|
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"Registers Rust pretty printers for the given objfile"
|
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objfile.pretty_printers.append(rust_pretty_printer_lookup_function)
|
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|
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def rust_pretty_printer_lookup_function(val):
|
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"Returns the correct Rust pretty printer for the given value if there is one"
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type_code = val.type.code
|
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|
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if type_code == gdb.TYPE_CODE_STRUCT:
|
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struct_kind = classify_struct(val.type)
|
||||
|
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if struct_kind == STRUCT_KIND_STR_SLICE:
|
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return RustStringSlicePrinter(val)
|
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|
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if struct_kind == STRUCT_KIND_TUPLE:
|
||||
return RustTuplePrinter(val)
|
||||
|
||||
if struct_kind == STRUCT_KIND_TUPLE_STRUCT:
|
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return RustTupleStructPrinter(val, False)
|
||||
|
||||
if struct_kind == STRUCT_KIND_CSTYLE_VARIANT:
|
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return RustCStyleEnumPrinter(val[get_field_at_index(val, 0)])
|
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|
||||
if struct_kind == STRUCT_KIND_TUPLE_VARIANT:
|
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return RustTupleStructPrinter(val, True)
|
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|
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if struct_kind == STRUCT_KIND_STRUCT_VARIANT:
|
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return RustStructPrinter(val, True)
|
||||
|
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return RustStructPrinter(val, False)
|
||||
|
||||
# Enum handling
|
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if type_code == gdb.TYPE_CODE_UNION:
|
||||
enum_members = list(val.type.fields())
|
||||
enum_member_count = len(enum_members)
|
||||
|
||||
if enum_member_count == 0:
|
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return RustStructPrinter(val, false)
|
||||
|
||||
if enum_member_count == 1:
|
||||
if enum_members[0].name == None:
|
||||
# This is a singleton enum
|
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return rust_pretty_printer_lookup_function(val[enum_members[0]])
|
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else:
|
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assert enum_members[0].name.startswith("RUST$ENCODED$ENUM$")
|
||||
# This is a space-optimized enum
|
||||
last_separator_index = enum_members[0].name.rfind("$")
|
||||
second_last_separator_index = first_variant_name.rfind("$", 0, last_separator_index)
|
||||
disr_field_index = first_variant_name[second_last_separator_index + 1 :
|
||||
last_separator_index]
|
||||
disr_field_index = int(disr_field_index)
|
||||
|
||||
sole_variant_val = val[enum_members[0]]
|
||||
disr_field = get_field_at_index(sole_variant_val, disr_field_index)
|
||||
discriminant = int(sole_variant_val[disr_field])
|
||||
|
||||
if discriminant == 0:
|
||||
null_variant_name = first_variant_name[last_separator_index + 1:]
|
||||
return IdentityPrinter(null_variant_name)
|
||||
|
||||
return rust_pretty_printer_lookup_function(sole_variant_val)
|
||||
|
||||
# This is a regular enum, extract the discriminant
|
||||
discriminant_name, discriminant_val = extract_discriminant_value(val)
|
||||
return rust_pretty_printer_lookup_function(val[enum_members[discriminant_val]])
|
||||
|
||||
# No pretty printer has been found
|
||||
return None
|
||||
|
||||
#=------------------------------------------------------------------------------
|
||||
# Pretty Printer Classes
|
||||
#=------------------------------------------------------------------------------
|
||||
|
||||
class RustStructPrinter:
|
||||
def __init__(self, val, hide_first_field):
|
||||
self.val = val
|
||||
self.hide_first_field = hide_first_field
|
||||
|
||||
def to_string(self):
|
||||
return self.val.type.tag
|
||||
|
||||
def children(self):
|
||||
cs = []
|
||||
for field in self.val.type.fields():
|
||||
field_name = field.name
|
||||
# Normally the field name is used as a key to access the field value,
|
||||
# because that's also supported in older versions of GDB...
|
||||
field_key = field_name
|
||||
if field_name == None:
|
||||
field_name = ""
|
||||
# ... but for fields without a name (as in tuples), we have to fall back
|
||||
# to the newer method of using the field object directly as key. In
|
||||
# older versions of GDB, this will just fail.
|
||||
field_key = field
|
||||
name_value_tuple = ( field_name, self.val[field_key] )
|
||||
cs.append( name_value_tuple )
|
||||
|
||||
if self.hide_first_field:
|
||||
cs = cs[1:]
|
||||
|
||||
return cs
|
||||
|
||||
class RustTuplePrinter:
|
||||
def __init__(self, val):
|
||||
self.val = val
|
||||
|
||||
def to_string(self):
|
||||
return None
|
||||
|
||||
def children(self):
|
||||
cs = []
|
||||
for field in self.val.type.fields():
|
||||
cs.append( ("", self.val[field]) )
|
||||
|
||||
return cs
|
||||
|
||||
def display_hint(self):
|
||||
return "array"
|
||||
|
||||
class RustTupleStructPrinter:
|
||||
def __init__(self, val, hide_first_field):
|
||||
self.val = val
|
||||
self.hide_first_field = hide_first_field
|
||||
|
||||
def to_string(self):
|
||||
return self.val.type.tag
|
||||
|
||||
def children(self):
|
||||
cs = []
|
||||
for field in self.val.type.fields():
|
||||
cs.append( ("", self.val[field]) )
|
||||
|
||||
if self.hide_first_field:
|
||||
cs = cs[1:]
|
||||
|
||||
return cs
|
||||
|
||||
def display_hint(self):
|
||||
return "array"
|
||||
|
||||
class RustStringSlicePrinter:
|
||||
def __init__(self, val):
|
||||
self.val = val
|
||||
|
||||
def to_string(self):
|
||||
slice_byte_len = self.val["length"]
|
||||
return '"%s"' % self.val["data_ptr"].string(encoding = "utf-8",
|
||||
length = slice_byte_len)
|
||||
|
||||
class RustCStyleEnumPrinter:
|
||||
def __init__(self, val):
|
||||
assert val.type.code == gdb.TYPE_CODE_ENUM
|
||||
self.val = val
|
||||
|
||||
def to_string(self):
|
||||
return str(self.val)
|
||||
|
||||
class IdentityPrinter:
|
||||
def __init__(self, string):
|
||||
self.string
|
||||
|
||||
def to_string(self):
|
||||
return self.string
|
||||
|
||||
STRUCT_KIND_REGULAR_STRUCT = 0
|
||||
STRUCT_KIND_TUPLE_STRUCT = 1
|
||||
STRUCT_KIND_TUPLE = 2
|
||||
STRUCT_KIND_TUPLE_VARIANT = 3
|
||||
STRUCT_KIND_STRUCT_VARIANT = 4
|
||||
STRUCT_KIND_CSTYLE_VARIANT = 5
|
||||
STRUCT_KIND_STR_SLICE = 6
|
||||
|
||||
def classify_struct(type):
|
||||
if type.tag == "&str":
|
||||
return STRUCT_KIND_STR_SLICE
|
||||
|
||||
fields = list(type.fields())
|
||||
field_count = len(fields)
|
||||
|
||||
if field_count == 0:
|
||||
return STRUCT_KIND_REGULAR_STRUCT
|
||||
|
||||
if fields[0].artificial:
|
||||
if field_count == 1:
|
||||
return STRUCT_KIND_CSTYLE_VARIANT
|
||||
elif fields[1].name == None:
|
||||
return STRUCT_KIND_TUPLE_VARIANT
|
||||
else:
|
||||
return STRUCT_KIND_STRUCT_VARIANT
|
||||
|
||||
if fields[0].name == None:
|
||||
if type.tag.startswith("("):
|
||||
return STRUCT_KIND_TUPLE
|
||||
else:
|
||||
return STRUCT_KIND_TUPLE_STRUCT
|
||||
|
||||
return STRUCT_KIND_REGULAR_STRUCT
|
||||
|
||||
def extract_discriminant_value(enum_val):
|
||||
assert enum_val.type.code == gdb.TYPE_CODE_UNION
|
||||
for variant_descriptor in enum_val.type.fields():
|
||||
variant_val = enum_val[variant_descriptor]
|
||||
for field in variant_val.type.fields():
|
||||
return (field.name, int(variant_val[field]))
|
||||
|
||||
def first_field(val):
|
||||
for field in val.type.fields():
|
||||
return field
|
||||
|
||||
def get_field_at_index(val, index):
|
||||
i = 0
|
||||
for field in val.type.fields():
|
||||
if i == index:
|
||||
return field
|
||||
return None
|
||||
@ -235,6 +235,9 @@ static UNKNOWN_COLUMN_NUMBER: c_uint = 0;
|
||||
static UNKNOWN_FILE_METADATA: DIFile = (0 as DIFile);
|
||||
static UNKNOWN_SCOPE_METADATA: DIScope = (0 as DIScope);
|
||||
|
||||
static FLAGS_NONE: c_uint = 0;
|
||||
static FLAGS_ARTIFICAL: c_uint = llvm::debuginfo::FlagArtificial as c_uint;
|
||||
|
||||
//=-----------------------------------------------------------------------------
|
||||
// Public Interface of debuginfo module
|
||||
//=-----------------------------------------------------------------------------
|
||||
@ -1732,6 +1735,7 @@ struct MemberDescription {
|
||||
llvm_type: Type,
|
||||
type_metadata: DIType,
|
||||
offset: MemberOffset,
|
||||
flags: c_uint
|
||||
}
|
||||
|
||||
// A factory for MemberDescriptions. It produces a list of member descriptions
|
||||
@ -1890,6 +1894,7 @@ impl StructMemberDescriptionFactory {
|
||||
llvm_type: type_of::type_of(cx, field.mt.ty),
|
||||
type_metadata: type_metadata(cx, field.mt.ty, self.span),
|
||||
offset: offset,
|
||||
flags: FLAGS_NONE,
|
||||
}
|
||||
}).collect()
|
||||
}
|
||||
@ -1950,6 +1955,7 @@ impl TupleMemberDescriptionFactory {
|
||||
llvm_type: type_of::type_of(cx, component_type),
|
||||
type_metadata: type_metadata(cx, component_type, self.span),
|
||||
offset: ComputedMemberOffset,
|
||||
flags: FLAGS_NONE,
|
||||
}
|
||||
}).collect()
|
||||
}
|
||||
@ -2035,6 +2041,7 @@ impl EnumMemberDescriptionFactory {
|
||||
llvm_type: variant_llvm_type,
|
||||
type_metadata: variant_type_metadata,
|
||||
offset: FixedMemberOffset { bytes: 0 },
|
||||
flags: FLAGS_NONE
|
||||
}
|
||||
}).collect()
|
||||
},
|
||||
@ -2068,6 +2075,7 @@ impl EnumMemberDescriptionFactory {
|
||||
llvm_type: variant_llvm_type,
|
||||
type_metadata: variant_type_metadata,
|
||||
offset: FixedMemberOffset { bytes: 0 },
|
||||
flags: FLAGS_NONE
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -2101,6 +2109,7 @@ impl EnumMemberDescriptionFactory {
|
||||
llvm_type: non_null_llvm_type,
|
||||
type_metadata: non_null_type_metadata,
|
||||
offset: FixedMemberOffset { bytes: 0 },
|
||||
flags: FLAGS_NONE
|
||||
};
|
||||
|
||||
let unique_type_id = debug_context(cx).type_map
|
||||
@ -2138,6 +2147,7 @@ impl EnumMemberDescriptionFactory {
|
||||
llvm_type: artificial_struct_llvm_type,
|
||||
type_metadata: artificial_struct_metadata,
|
||||
offset: FixedMemberOffset { bytes: 0 },
|
||||
flags: FLAGS_NONE
|
||||
}
|
||||
]
|
||||
},
|
||||
@ -2182,6 +2192,7 @@ impl EnumMemberDescriptionFactory {
|
||||
llvm_type: variant_llvm_type,
|
||||
type_metadata: variant_type_metadata,
|
||||
offset: FixedMemberOffset { bytes: 0 },
|
||||
flags: FLAGS_NONE
|
||||
}
|
||||
]
|
||||
},
|
||||
@ -2208,6 +2219,11 @@ impl VariantMemberDescriptionFactory {
|
||||
_ => type_metadata(cx, ty, self.span)
|
||||
},
|
||||
offset: ComputedMemberOffset,
|
||||
flags: if self.discriminant_type_metadata.is_some() && i == 0 {
|
||||
FLAGS_ARTIFICAL
|
||||
} else {
|
||||
FLAGS_NONE
|
||||
}
|
||||
}
|
||||
}).collect()
|
||||
}
|
||||
@ -2523,7 +2539,7 @@ fn set_members_of_composite_type(cx: &CrateContext,
|
||||
bytes_to_bits(member_size),
|
||||
bytes_to_bits(member_align),
|
||||
bytes_to_bits(member_offset),
|
||||
0,
|
||||
member_description.flags,
|
||||
member_description.type_metadata)
|
||||
}
|
||||
})
|
||||
@ -2610,30 +2626,35 @@ fn at_box_metadata(cx: &CrateContext,
|
||||
llvm_type: *member_llvm_types.get(0),
|
||||
type_metadata: type_metadata(cx, int_type, codemap::DUMMY_SP),
|
||||
offset: ComputedMemberOffset,
|
||||
flags: FLAGS_ARTIFICAL,
|
||||
},
|
||||
MemberDescription {
|
||||
name: "drop_glue".to_string(),
|
||||
llvm_type: *member_llvm_types.get(1),
|
||||
type_metadata: nil_pointer_type_metadata,
|
||||
offset: ComputedMemberOffset,
|
||||
flags: FLAGS_ARTIFICAL,
|
||||
},
|
||||
MemberDescription {
|
||||
name: "prev".to_string(),
|
||||
llvm_type: *member_llvm_types.get(2),
|
||||
type_metadata: nil_pointer_type_metadata,
|
||||
offset: ComputedMemberOffset,
|
||||
flags: FLAGS_ARTIFICAL,
|
||||
},
|
||||
MemberDescription {
|
||||
name: "next".to_string(),
|
||||
llvm_type: *member_llvm_types.get(3),
|
||||
type_metadata: nil_pointer_type_metadata,
|
||||
offset: ComputedMemberOffset,
|
||||
flags: FLAGS_ARTIFICAL,
|
||||
},
|
||||
MemberDescription {
|
||||
name: "val".to_string(),
|
||||
llvm_type: *member_llvm_types.get(4),
|
||||
type_metadata: content_type_metadata,
|
||||
offset: ComputedMemberOffset,
|
||||
flags: FLAGS_ARTIFICAL,
|
||||
}
|
||||
];
|
||||
|
||||
@ -2734,12 +2755,14 @@ fn vec_slice_metadata(cx: &CrateContext,
|
||||
llvm_type: *member_llvm_types.get(0),
|
||||
type_metadata: element_type_metadata,
|
||||
offset: ComputedMemberOffset,
|
||||
flags: FLAGS_ARTIFICAL
|
||||
},
|
||||
MemberDescription {
|
||||
name: "length".to_string(),
|
||||
llvm_type: *member_llvm_types.get(1),
|
||||
type_metadata: type_metadata(cx, ty::mk_uint(), span),
|
||||
offset: ComputedMemberOffset,
|
||||
flags: FLAGS_ARTIFICAL
|
||||
},
|
||||
];
|
||||
|
||||
|
||||
@ -428,7 +428,10 @@ pub mod debuginfo {
|
||||
FlagObjcClassComplete = 1 << 9,
|
||||
FlagObjectPointer = 1 << 10,
|
||||
FlagVector = 1 << 11,
|
||||
FlagStaticMember = 1 << 12
|
||||
FlagStaticMember = 1 << 12,
|
||||
FlagIndirectVariable = 1 << 13,
|
||||
FlagLValueReference = 1 << 14,
|
||||
FlagRValueReference = 1 << 15
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -0,0 +1,75 @@
|
||||
// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
|
||||
// file at the top-level directory of this distribution and at
|
||||
// http://rust-lang.org/COPYRIGHT.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||||
// option. This file may not be copied, modified, or distributed
|
||||
// except according to those terms.
|
||||
|
||||
// This test uses only GDB Python API features which should be available in
|
||||
// older versions of GDB too. A more extensive test can be found in
|
||||
// gdb-pretty-struct-and-enums.rs
|
||||
|
||||
// ignore-tidy-linelength
|
||||
// ignore-lldb
|
||||
// ignore-android: FIXME(#10381)
|
||||
// compile-flags:-g
|
||||
// gdb-use-pretty-printer
|
||||
|
||||
// The following line actually doesn't have to do anything with pretty printing,
|
||||
// it just tells GDB to print values on one line:
|
||||
// gdb-command: set print pretty off
|
||||
|
||||
// gdb-command: rbreak zzz
|
||||
// gdb-command: run
|
||||
// gdb-command: finish
|
||||
|
||||
// gdb-command: print regular_struct
|
||||
// gdb-check:$1 = RegularStruct = {the_first_field = 101, the_second_field = 102.5, the_third_field = false}
|
||||
|
||||
// gdb-command: print empty_struct
|
||||
// gdb-check:$2 = EmptyStruct
|
||||
|
||||
// gdb-command: print c_style_enum1
|
||||
// gdb-check:$3 = CStyleEnumVar1
|
||||
|
||||
// gdb-command: print c_style_enum2
|
||||
// gdb-check:$4 = CStyleEnumVar2
|
||||
|
||||
// gdb-command: print c_style_enum3
|
||||
// gdb-check:$5 = CStyleEnumVar3
|
||||
|
||||
struct RegularStruct {
|
||||
the_first_field: int,
|
||||
the_second_field: f64,
|
||||
the_third_field: bool,
|
||||
}
|
||||
|
||||
struct EmptyStruct;
|
||||
|
||||
enum CStyleEnum {
|
||||
CStyleEnumVar1,
|
||||
CStyleEnumVar2,
|
||||
CStyleEnumVar3,
|
||||
}
|
||||
|
||||
fn main() {
|
||||
|
||||
let regular_struct = RegularStruct {
|
||||
the_first_field: 101,
|
||||
the_second_field: 102.5,
|
||||
the_third_field: false
|
||||
};
|
||||
|
||||
let empty_struct = EmptyStruct;
|
||||
|
||||
let c_style_enum1 = CStyleEnumVar1;
|
||||
let c_style_enum2 = CStyleEnumVar2;
|
||||
let c_style_enum3 = CStyleEnumVar3;
|
||||
|
||||
zzz();
|
||||
}
|
||||
|
||||
fn zzz() { () }
|
||||
172
src/test/debuginfo/gdb-pretty-struct-and-enums.rs
Normal file
172
src/test/debuginfo/gdb-pretty-struct-and-enums.rs
Normal file
@ -0,0 +1,172 @@
|
||||
// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
|
||||
// file at the top-level directory of this distribution and at
|
||||
// http://rust-lang.org/COPYRIGHT.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||||
// option. This file may not be copied, modified, or distributed
|
||||
// except according to those terms.
|
||||
|
||||
// ignore-tidy-linelength
|
||||
// ignore-lldb
|
||||
// ignore-android: FIXME(#10381)
|
||||
// compile-flags:-g
|
||||
// gdb-use-pretty-printer
|
||||
|
||||
// This test uses some GDB Python API features (e.g. accessing anonymous fields)
|
||||
// which are only available in newer GDB version. The following directive will
|
||||
// case the test runner to ignore this test if an older GDB version is used:
|
||||
// min-gdb-version 7.7
|
||||
|
||||
// The following line actually doesn't have to do anything with pretty printing,
|
||||
// it just tells GDB to print values on one line:
|
||||
// gdb-command: set print pretty off
|
||||
|
||||
// gdb-command: rbreak zzz
|
||||
// gdb-command: run
|
||||
// gdb-command: finish
|
||||
|
||||
// gdb-command: print regular_struct
|
||||
// gdb-check:$1 = RegularStruct = {the_first_field = 101, the_second_field = 102.5, the_third_field = false, the_fourth_field = "I'm so pretty, oh so pretty..."}
|
||||
|
||||
// gdb-command: print tuple
|
||||
// gdb-check:$2 = {true, 103, "blub"}
|
||||
|
||||
// gdb-command: print tuple_struct
|
||||
// gdb-check:$3 = TupleStruct = {-104.5, 105}
|
||||
|
||||
// gdb-command: print empty_struct
|
||||
// gdb-check:$4 = EmptyStruct
|
||||
|
||||
// gdb-command: print c_style_enum1
|
||||
// gdb-check:$5 = CStyleEnumVar1
|
||||
|
||||
// gdb-command: print c_style_enum2
|
||||
// gdb-check:$6 = CStyleEnumVar2
|
||||
|
||||
// gdb-command: print c_style_enum3
|
||||
// gdb-check:$7 = CStyleEnumVar3
|
||||
|
||||
// gdb-command: print mixed_enum_c_style_var
|
||||
// gdb-check:$8 = MixedEnumCStyleVar
|
||||
|
||||
// gdb-command: print mixed_enum_tuple_var
|
||||
// gdb-check:$9 = MixedEnumTupleVar = {106, 107, false}
|
||||
|
||||
// gdb-command: print mixed_enum_struct_var
|
||||
// gdb-check:$10 = MixedEnumStructVar = {field1 = 108.5, field2 = 109}
|
||||
|
||||
// gdb-command: print some
|
||||
// gdb-check:$11 = Some = {110}
|
||||
|
||||
// gdb-command: print none
|
||||
// gdb-check:$12 = None
|
||||
|
||||
// gdb-command: print nested_variant1
|
||||
// gdb-check:$13 = NestedVariant1 = {NestedStruct = {regular_struct = RegularStruct = {the_first_field = 111, the_second_field = 112.5, the_third_field = true, the_fourth_field = "NestedStructString1"}, tuple_struct = TupleStruct = {113.5, 114}, empty_struct = EmptyStruct, c_style_enum = CStyleEnumVar2, mixed_enum = MixedEnumTupleVar = {115, 116, false}}}
|
||||
|
||||
// gdb-command: print nested_variant2
|
||||
// gdb-check:$14 = NestedVariant2 = {abc = NestedStruct = {regular_struct = RegularStruct = {the_first_field = 117, the_second_field = 118.5, the_third_field = false, the_fourth_field = "NestedStructString10"}, tuple_struct = TupleStruct = {119.5, 120}, empty_struct = EmptyStruct, c_style_enum = CStyleEnumVar3, mixed_enum = MixedEnumStructVar = {field1 = 121.5, field2 = -122}}}
|
||||
|
||||
#![feature(struct_variant)]
|
||||
|
||||
struct RegularStruct {
|
||||
the_first_field: int,
|
||||
the_second_field: f64,
|
||||
the_third_field: bool,
|
||||
the_fourth_field: &'static str,
|
||||
}
|
||||
|
||||
struct TupleStruct(f64, i16);
|
||||
|
||||
struct EmptyStruct;
|
||||
|
||||
enum CStyleEnum {
|
||||
CStyleEnumVar1,
|
||||
CStyleEnumVar2,
|
||||
CStyleEnumVar3,
|
||||
}
|
||||
|
||||
enum MixedEnum {
|
||||
MixedEnumCStyleVar,
|
||||
MixedEnumTupleVar(u32, u16, bool),
|
||||
MixedEnumStructVar { field1: f64, field2: i32 }
|
||||
}
|
||||
|
||||
struct NestedStruct {
|
||||
regular_struct: RegularStruct,
|
||||
tuple_struct: TupleStruct,
|
||||
empty_struct: EmptyStruct,
|
||||
c_style_enum: CStyleEnum,
|
||||
mixed_enum: MixedEnum,
|
||||
}
|
||||
|
||||
enum NestedEnum {
|
||||
NestedVariant1(NestedStruct),
|
||||
NestedVariant2 { abc: NestedStruct }
|
||||
}
|
||||
|
||||
fn main() {
|
||||
|
||||
let regular_struct = RegularStruct {
|
||||
the_first_field: 101,
|
||||
the_second_field: 102.5,
|
||||
the_third_field: false,
|
||||
the_fourth_field: "I'm so pretty, oh so pretty..."
|
||||
};
|
||||
|
||||
let tuple = ( true, 103u32, "blub" );
|
||||
|
||||
let tuple_struct = TupleStruct(-104.5, 105);
|
||||
|
||||
let empty_struct = EmptyStruct;
|
||||
|
||||
let c_style_enum1 = CStyleEnumVar1;
|
||||
let c_style_enum2 = CStyleEnumVar2;
|
||||
let c_style_enum3 = CStyleEnumVar3;
|
||||
|
||||
let mixed_enum_c_style_var = MixedEnumCStyleVar;
|
||||
let mixed_enum_tuple_var = MixedEnumTupleVar(106, 107, false);
|
||||
let mixed_enum_struct_var = MixedEnumStructVar { field1: 108.5, field2: 109 };
|
||||
|
||||
let some = Some(110u);
|
||||
let none: Option<int> = None;
|
||||
|
||||
let nested_variant1 = NestedVariant1(
|
||||
NestedStruct {
|
||||
regular_struct: RegularStruct {
|
||||
the_first_field: 111,
|
||||
the_second_field: 112.5,
|
||||
the_third_field: true,
|
||||
the_fourth_field: "NestedStructString1",
|
||||
},
|
||||
tuple_struct: TupleStruct(113.5, 114),
|
||||
empty_struct: EmptyStruct,
|
||||
c_style_enum: CStyleEnumVar2,
|
||||
mixed_enum: MixedEnumTupleVar(115, 116, false)
|
||||
}
|
||||
);
|
||||
|
||||
let nested_variant2 = NestedVariant2 {
|
||||
abc: NestedStruct {
|
||||
regular_struct: RegularStruct {
|
||||
the_first_field: 117,
|
||||
the_second_field: 118.5,
|
||||
the_third_field: false,
|
||||
the_fourth_field: "NestedStructString10",
|
||||
},
|
||||
tuple_struct: TupleStruct(119.5, 120),
|
||||
empty_struct: EmptyStruct,
|
||||
c_style_enum: CStyleEnumVar3,
|
||||
mixed_enum: MixedEnumStructVar {
|
||||
field1: 121.5,
|
||||
field2: -122
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
zzz();
|
||||
}
|
||||
|
||||
fn zzz() { () }
|
||||
Loading…
x
Reference in New Issue
Block a user