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 2014-08-30 04:01:24 +00:00
commit c8e86e977f
11 changed files with 697 additions and 30 deletions

7
configure vendored
View file

@ -515,6 +515,13 @@ probe CFG_LUALATEX lualatex
probe CFG_GDB gdb
probe CFG_LLDB lldb
if [ ! -z "$CFG_GDB" ]
then
# Extract the version
CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
putvar CFG_GDB_VERSION
fi
if [ ! -z "$CFG_LLDB" ]
then
# If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from

View file

@ -623,6 +623,7 @@ CTEST_COMMON_ARGS$(1)-T-$(2)-H-$(3) := \
--stage-id stage$(1)-$(2) \
--target $(2) \
--host $(3) \
--gdb-version="$(CFG_GDB_VERSION)" \
--android-cross-path=$(CFG_ANDROID_CROSS_PATH) \
--adb-path=$(CFG_ADB) \
--adb-test-dir=$(CFG_ADB_TEST_DIR) \

View file

@ -130,6 +130,9 @@ pub struct Config {
// Host triple for the compiler being invoked
pub host: String,
// Version of GDB
pub gdb_version: Option<String>,
// Path to the android tools
pub android_cross_path: Path,

View file

@ -81,6 +81,7 @@ pub fn parse_config(args: Vec<String> ) -> Config {
optflag("", "jit", "run tests under the JIT"),
optopt("", "target", "the target to build for", "TARGET"),
optopt("", "host", "the host to build for", "HOST"),
optopt("", "gdb-version", "the version of GDB used", "MAJOR.MINOR"),
optopt("", "android-cross-path", "Android NDK standalone path", "PATH"),
optopt("", "adb-path", "path to the android debugger", "PATH"),
optopt("", "adb-test-dir", "path to tests for the android debugger", "PATH"),
@ -157,6 +158,7 @@ pub fn parse_config(args: Vec<String> ) -> Config {
jit: matches.opt_present("jit"),
target: opt_str2(matches.opt_str("target")),
host: opt_str2(matches.opt_str("host")),
gdb_version: extract_gdb_version(matches.opt_str("gdb-version")),
android_cross_path: opt_path(matches, "android-cross-path"),
adb_path: opt_str2(matches.opt_str("adb-path")),
adb_test_dir: opt_str2(matches.opt_str("adb-test-dir")),
@ -376,3 +378,26 @@ pub fn make_metrics_test_closure(config: &Config, testfile: &Path) -> test::Test
runtest::run_metrics(config, testfile, mm)
})
}
fn extract_gdb_version(full_version_line: Option<String>) -> Option<String> {
match full_version_line {
Some(ref full_version_line)
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).to_string())
}
None => {
println!("Could not extract GDB version from line '{}'",
full_version_line);
None
}
}
},
_ => None
}
}

View file

@ -12,6 +12,8 @@ use common::Config;
use common;
use util;
use std::from_str::FromStr;
pub struct TestProps {
// Lines that should be expected, in order, on standard out
pub error_patterns: Vec<String> ,
@ -142,23 +144,42 @@ pub fn is_test_ignored(config: &Config, testfile: &Path) -> bool {
format!("ignore-{}",
config.stage_id.as_slice().split('-').next().unwrap())
}
fn ignore_gdb(config: &Config, line: &str) -> bool {
if config.mode != common::DebugInfoGdb {
return false;
}
if parse_name_directive(line, "ignore-gdb") {
return true;
}
match config.gdb_version {
Some(ref actual_version) => {
if line.contains("min-gdb-version") {
let min_version = line.trim()
.split(' ')
.last()
.expect("Malformed GDB version directive");
// Ignore if actual version is smaller the minimum required
// version
gdb_version_to_int(actual_version.as_slice()) <
gdb_version_to_int(min_version.as_slice())
} else {
false
}
}
None => false
}
}
let val = iter_header(testfile, |ln| {
if parse_name_directive(ln, "ignore-test") {
false
} else if parse_name_directive(ln, ignore_target(config).as_slice()) {
false
} else if parse_name_directive(ln, ignore_stage(config).as_slice()) {
false
} else if config.mode == common::Pretty &&
parse_name_directive(ln, "ignore-pretty") {
false
} else if config.target != config.host &&
parse_name_directive(ln, "ignore-cross-compile") {
false
} else {
true
}
!parse_name_directive(ln, "ignore-test") &&
!parse_name_directive(ln, ignore_target(config).as_slice()) &&
!parse_name_directive(ln, ignore_stage(config).as_slice()) &&
!(config.mode == common::Pretty && parse_name_directive(ln, "ignore-pretty")) &&
!(config.target != config.host && parse_name_directive(ln, "ignore-cross-compile")) &&
!ignore_gdb(config, ln) &&
!(config.mode == common::DebugInfoLldb && parse_name_directive(ln, "ignore-lldb"))
});
!val
@ -278,3 +299,21 @@ pub fn parse_name_value_directive(line: &str, directive: &str)
None => None
}
}
pub fn gdb_version_to_int(version_string: &str) -> int {
let error_string = format!(
"Encountered GDB version string with unexpected format: {}",
version_string);
let error_string = error_string.as_slice();
let components: Vec<&str> = version_string.trim().split('.').collect();
if components.len() != 2 {
fail!("{}", error_string);
}
let major: int = FromStr::from_str(components[0]).expect(error_string);
let minor: int = FromStr::from_str(components[1]).expect(error_string);
return major * 1000 + minor;
}

View file

@ -323,7 +323,12 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
};
let config = &mut config;
let DebuggerCommands { commands, check_lines, .. } = parse_debugger_commands(testfile, "gdb");
let DebuggerCommands {
commands,
check_lines,
use_gdb_pretty_printer,
..
} = parse_debugger_commands(testfile, "gdb");
let mut cmds = commands.connect("\n");
// compile test file (it should have 'compile-flags:-g' in the header)
@ -334,7 +339,6 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
let exe_file = make_exe_name(config, testfile);
let mut proc_args;
let debugger_run_result;
match config.target.as_slice() {
"arm-linux-androideabi" => {
@ -454,18 +458,65 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
}
_=> {
let rust_src_root = find_rust_src_root(config)
.expect("Could not find Rust source root");
let rust_pp_module_rel_path = Path::new("./src/etc");
let rust_pp_module_abs_path = rust_src_root.join(rust_pp_module_rel_path)
.as_str()
.unwrap()
.to_string();
// write debugger script
let script_str = [
"set charset UTF-8".to_string(),
cmds,
"quit\n".to_string()
].connect("\n");
let mut script_str = String::with_capacity(2048);
script_str.push_str("set charset UTF-8\n");
script_str.push_str("show version\n");
match config.gdb_version {
Some(ref version) => {
println!("NOTE: compiletest thinks it is using GDB version {}",
version.as_slice());
if header::gdb_version_to_int(version.as_slice()) >
header::gdb_version_to_int("7.4") {
// Add the directory containing the pretty printers to
// GDB's script auto loading safe path ...
script_str.push_str(
format!("add-auto-load-safe-path {}\n",
rust_pp_module_abs_path.as_slice())
.as_slice());
// ... and also the test directory
script_str.push_str(
format!("add-auto-load-safe-path {}\n",
config.build_base.as_str().unwrap())
.as_slice());
}
}
_ => {
println!("NOTE: compiletest does not know which version of \
GDB it is using");
}
}
// Load the target executable
script_str.push_str(format!("file {}\n",
exe_file.as_str().unwrap())
.as_slice());
script_str.push_str(cmds.as_slice());
script_str.push_str("quit\n");
debug!("script_str = {}", script_str);
dump_output_file(config,
testfile,
script_str.as_slice(),
"debugger.script");
if use_gdb_pretty_printer {
// Only emit the gdb auto-loading script if pretty printers
// should actually be loaded
dump_gdb_autoload_script(config, testfile);
}
// run debugger script with gdb
#[cfg(windows)]
fn debugger() -> String {
@ -483,16 +534,19 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
vec!("-quiet".to_string(),
"-batch".to_string(),
"-nx".to_string(),
format!("-command={}", debugger_script.as_str().unwrap()),
exe_file.as_str().unwrap().to_string());
proc_args = ProcArgs {
format!("-command={}", debugger_script.as_str().unwrap()));
let proc_args = ProcArgs {
prog: debugger(),
args: debugger_opts,
};
let environment = vec![("PYTHONPATH".to_string(), rust_pp_module_abs_path)];
debugger_run_result = compose_and_run(config,
testfile,
proc_args,
Vec::new(),
environment,
config.run_lib_path.as_slice(),
None,
None);
@ -504,6 +558,32 @@ fn run_debuginfo_gdb_test(config: &Config, props: &TestProps, testfile: &Path) {
}
check_debugger_output(&debugger_run_result, check_lines.as_slice());
fn dump_gdb_autoload_script(config: &Config, testfile: &Path) {
let mut script_path = output_base_name(config, testfile);
let mut script_file_name = script_path.filename().unwrap().to_vec();
script_file_name.push_all("-gdb.py".as_bytes());
script_path.set_filename(script_file_name.as_slice());
let script_content = "import gdb_rust_pretty_printing\n\
gdb_rust_pretty_printing.register_printers(gdb.current_objfile())\n"
.as_bytes();
File::create(&script_path).write(script_content).unwrap();
}
}
fn find_rust_src_root(config: &Config) -> Option<Path> {
let mut path = config.src_base.clone();
let path_postfix = Path::new("src/etc/lldb_batchmode.py");
while path.pop() {
if path.join(path_postfix.clone()).is_file() {
return Some(path);
}
}
return None;
}
fn run_debuginfo_lldb_test(config: &Config, props: &TestProps, testfile: &Path) {
@ -533,7 +613,8 @@ fn run_debuginfo_lldb_test(config: &Config, props: &TestProps, testfile: &Path)
let DebuggerCommands {
commands,
check_lines,
breakpoint_lines
breakpoint_lines,
..
} = parse_debugger_commands(testfile, "lldb");
// Write debugger script:
@ -619,6 +700,7 @@ struct DebuggerCommands {
commands: Vec<String>,
check_lines: Vec<String>,
breakpoint_lines: Vec<uint>,
use_gdb_pretty_printer: bool
}
fn parse_debugger_commands(file_path: &Path, debugger_prefix: &str)
@ -631,6 +713,7 @@ fn parse_debugger_commands(file_path: &Path, debugger_prefix: &str)
let mut breakpoint_lines = vec!();
let mut commands = vec!();
let mut check_lines = vec!();
let mut use_gdb_pretty_printer = false;
let mut counter = 1;
let mut reader = BufferedReader::new(File::open(file_path).unwrap());
for line in reader.lines() {
@ -640,6 +723,10 @@ fn parse_debugger_commands(file_path: &Path, debugger_prefix: &str)
breakpoint_lines.push(counter);
}
if line.as_slice().contains("gdb-use-pretty-printer") {
use_gdb_pretty_printer = true;
}
header::parse_name_value_directive(
line.as_slice(),
command_directive.as_slice()).map(|cmd| {
@ -663,7 +750,8 @@ fn parse_debugger_commands(file_path: &Path, debugger_prefix: &str)
DebuggerCommands {
commands: commands,
check_lines: check_lines,
breakpoint_lines: breakpoint_lines
breakpoint_lines: breakpoint_lines,
use_gdb_pretty_printer: use_gdb_pretty_printer,
}
}

View file

@ -0,0 +1,231 @@
# 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.
import gdb
#===============================================================================
# GDB Pretty Printing Module for Rust
#===============================================================================
def register_printers(objfile):
"Registers Rust pretty printers for the given objfile"
objfile.pretty_printers.append(rust_pretty_printer_lookup_function)
def rust_pretty_printer_lookup_function(val):
"Returns the correct Rust pretty printer for the given value if there is one"
type_code = val.type.code
if type_code == gdb.TYPE_CODE_STRUCT:
struct_kind = classify_struct(val.type)
if struct_kind == STRUCT_KIND_STR_SLICE:
return RustStringSlicePrinter(val)
if struct_kind == STRUCT_KIND_TUPLE:
return RustTuplePrinter(val)
if struct_kind == STRUCT_KIND_TUPLE_STRUCT:
return RustTupleStructPrinter(val, False)
if struct_kind == STRUCT_KIND_CSTYLE_VARIANT:
return RustCStyleEnumPrinter(val[get_field_at_index(val, 0)])
if struct_kind == STRUCT_KIND_TUPLE_VARIANT:
return RustTupleStructPrinter(val, True)
if struct_kind == STRUCT_KIND_STRUCT_VARIANT:
return RustStructPrinter(val, True)
return RustStructPrinter(val, False)
# Enum handling
if type_code == gdb.TYPE_CODE_UNION:
enum_members = list(val.type.fields())
enum_member_count = len(enum_members)
if enum_member_count == 0:
return RustStructPrinter(val, false)
if enum_member_count == 1:
if enum_members[0].name == None:
# This is a singleton enum
return rust_pretty_printer_lookup_function(val[enum_members[0]])
else:
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

View file

@ -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
},
];

View file

@ -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
}
}

View file

@ -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() { () }

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@ -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() { () }