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Auto merge of #117041 - matthiaskrgr:rollup-b18h0ln, r=matthiaskrgr
Rollup of 4 pull requests Successful merges: - #116985 (Use gdb.ValuePrinter tag class) - #116989 (Skip test if Unix sockets are unsupported) - #117034 (Don't crash on empty match in the `nonexhaustive_omitted_patterns` lint) - #117037 (rustdoc book doc example error) r? `@ghost` `@rustbot` modify labels: rollup
This commit is contained in:
bors
commit
724ba7fe90
@ -884,6 +884,9 @@ fn collect_nonexhaustive_missing_variants<'p, 'tcx>(
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cx: &MatchCheckCtxt<'p, 'tcx>,
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column: &[&DeconstructedPat<'p, 'tcx>],
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) -> Vec<WitnessPat<'tcx>> {
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if column.is_empty() {
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return Vec::new();
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}
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let ty = column[0].ty();
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let pcx = &PatCtxt { cx, ty, span: DUMMY_SP, is_top_level: false };
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@ -1717,7 +1717,7 @@ fn windows_unix_socket_exists() {
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let tmp = tmpdir();
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let socket_path = tmp.join("socket");
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// std doesn't current support Unix sockets on Windows so manually create one here.
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// std doesn't currently support Unix sockets on Windows so manually create one here.
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net::init();
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unsafe {
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let socket = c::WSASocketW(
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@ -1728,7 +1728,16 @@ fn windows_unix_socket_exists() {
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0,
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c::WSA_FLAG_OVERLAPPED | c::WSA_FLAG_NO_HANDLE_INHERIT,
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);
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assert_ne!(socket, c::INVALID_SOCKET);
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// AF_UNIX is not supported on earlier versions of Windows,
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// so skip this test if it's unsupported and we're not in CI.
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if socket == c::INVALID_SOCKET {
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let error = c::WSAGetLastError();
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if env::var_os("CI").is_none() && error == c::WSAEAFNOSUPPORT {
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return;
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} else {
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panic!("Creating AF_UNIX socket failed (OS error {error})");
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}
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}
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let mut addr = c::SOCKADDR_UN { sun_family: c::AF_UNIX, sun_path: mem::zeroed() };
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let bytes = socket_path.as_os_str().as_encoded_bytes();
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addr.sun_path[..bytes.len()].copy_from_slice(bytes);
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@ -73,7 +73,7 @@ and your test suite, this example needs some additional code:
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``````text
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/// Example
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/// ```rust
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/// # main() -> Result<(), std::num::ParseIntError> {
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/// # fn main() -> Result<(), std::num::ParseIntError> {
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/// let fortytwo = "42".parse::<u32>()?;
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/// println!("{} + 10 = {}", fortytwo, fortytwo+10);
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/// # Ok(())
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@ -18,70 +18,79 @@ def unwrap_unique_or_non_null(unique_or_nonnull):
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return ptr if ptr.type.code == gdb.TYPE_CODE_PTR else ptr[ptr.type.fields()[0]]
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class EnumProvider:
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# GDB 14 has a tag class that indicates that extension methods are ok
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# to call. Use of this tag only requires that printers hide local
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# attributes and methods by prefixing them with "_".
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if hasattr(gdb, 'ValuePrinter'):
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printer_base = gdb.ValuePrinter
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else:
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printer_base = object
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class EnumProvider(printer_base):
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def __init__(self, valobj):
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content = valobj[valobj.type.fields()[0]]
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fields = content.type.fields()
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self.empty = len(fields) == 0
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if not self.empty:
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self._empty = len(fields) == 0
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if not self._empty:
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if len(fields) == 1:
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discriminant = 0
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else:
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discriminant = int(content[fields[0]]) + 1
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self.active_variant = content[fields[discriminant]]
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self.name = fields[discriminant].name
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self.full_name = "{}::{}".format(valobj.type.name, self.name)
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self._active_variant = content[fields[discriminant]]
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self._name = fields[discriminant].name
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self._full_name = "{}::{}".format(valobj.type.name, self._name)
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else:
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self.full_name = valobj.type.name
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self._full_name = valobj.type.name
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def to_string(self):
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return self.full_name
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return self._full_name
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def children(self):
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if not self.empty:
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yield self.name, self.active_variant
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if not self._empty:
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yield self._name, self._active_variant
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class StdStringProvider:
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class StdStringProvider(printer_base):
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def __init__(self, valobj):
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self.valobj = valobj
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self._valobj = valobj
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vec = valobj["vec"]
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self.length = int(vec["len"])
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self.data_ptr = unwrap_unique_or_non_null(vec["buf"]["ptr"])
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self._length = int(vec["len"])
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self._data_ptr = unwrap_unique_or_non_null(vec["buf"]["ptr"])
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def to_string(self):
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return self.data_ptr.lazy_string(encoding="utf-8", length=self.length)
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return self._data_ptr.lazy_string(encoding="utf-8", length=self._length)
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@staticmethod
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def display_hint():
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return "string"
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class StdOsStringProvider:
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class StdOsStringProvider(printer_base):
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def __init__(self, valobj):
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self.valobj = valobj
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buf = self.valobj["inner"]["inner"]
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self._valobj = valobj
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buf = self._valobj["inner"]["inner"]
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is_windows = "Wtf8Buf" in buf.type.name
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vec = buf[ZERO_FIELD] if is_windows else buf
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self.length = int(vec["len"])
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self.data_ptr = unwrap_unique_or_non_null(vec["buf"]["ptr"])
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self._length = int(vec["len"])
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self._data_ptr = unwrap_unique_or_non_null(vec["buf"]["ptr"])
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def to_string(self):
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return self.data_ptr.lazy_string(encoding="utf-8", length=self.length)
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return self._data_ptr.lazy_string(encoding="utf-8", length=self._length)
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def display_hint(self):
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return "string"
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class StdStrProvider:
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class StdStrProvider(printer_base):
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def __init__(self, valobj):
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self.valobj = valobj
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self.length = int(valobj["length"])
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self.data_ptr = valobj["data_ptr"]
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self._valobj = valobj
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self._length = int(valobj["length"])
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self._data_ptr = valobj["data_ptr"]
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def to_string(self):
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return self.data_ptr.lazy_string(encoding="utf-8", length=self.length)
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return self._data_ptr.lazy_string(encoding="utf-8", length=self._length)
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@staticmethod
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def display_hint():
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@ -103,36 +112,36 @@ def _enumerate_array_elements(element_ptrs):
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yield key, element
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class StdSliceProvider:
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class StdSliceProvider(printer_base):
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def __init__(self, valobj):
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self.valobj = valobj
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self.length = int(valobj["length"])
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self.data_ptr = valobj["data_ptr"]
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self._valobj = valobj
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self._length = int(valobj["length"])
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self._data_ptr = valobj["data_ptr"]
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def to_string(self):
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return "{}(size={})".format(self.valobj.type, self.length)
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return "{}(size={})".format(self._valobj.type, self._length)
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def children(self):
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return _enumerate_array_elements(
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self.data_ptr + index for index in xrange(self.length)
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self._data_ptr + index for index in xrange(self._length)
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)
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@staticmethod
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def display_hint():
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return "array"
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class StdVecProvider:
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class StdVecProvider(printer_base):
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def __init__(self, valobj):
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self.valobj = valobj
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self.length = int(valobj["len"])
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self.data_ptr = unwrap_unique_or_non_null(valobj["buf"]["ptr"])
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self._valobj = valobj
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self._length = int(valobj["len"])
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self._data_ptr = unwrap_unique_or_non_null(valobj["buf"]["ptr"])
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def to_string(self):
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return "Vec(size={})".format(self.length)
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return "Vec(size={})".format(self._length)
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def children(self):
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return _enumerate_array_elements(
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self.data_ptr + index for index in xrange(self.length)
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self._data_ptr + index for index in xrange(self._length)
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)
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@staticmethod
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@ -140,20 +149,20 @@ class StdVecProvider:
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return "array"
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class StdVecDequeProvider:
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class StdVecDequeProvider(printer_base):
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def __init__(self, valobj):
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self.valobj = valobj
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self.head = int(valobj["head"])
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self.size = int(valobj["len"])
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self.cap = int(valobj["buf"]["cap"])
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self.data_ptr = unwrap_unique_or_non_null(valobj["buf"]["ptr"])
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self._valobj = valobj
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self._head = int(valobj["head"])
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self._size = int(valobj["len"])
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self._cap = int(valobj["buf"]["cap"])
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self._data_ptr = unwrap_unique_or_non_null(valobj["buf"]["ptr"])
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def to_string(self):
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return "VecDeque(size={})".format(self.size)
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return "VecDeque(size={})".format(self._size)
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def children(self):
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return _enumerate_array_elements(
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(self.data_ptr + ((self.head + index) % self.cap)) for index in xrange(self.size)
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(self._data_ptr + ((self._head + index) % self._cap)) for index in xrange(self._size)
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)
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@staticmethod
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@ -161,81 +170,81 @@ class StdVecDequeProvider:
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return "array"
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class StdRcProvider:
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class StdRcProvider(printer_base):
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def __init__(self, valobj, is_atomic=False):
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self.valobj = valobj
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self.is_atomic = is_atomic
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self.ptr = unwrap_unique_or_non_null(valobj["ptr"])
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self.value = self.ptr["data" if is_atomic else "value"]
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self.strong = self.ptr["strong"]["v" if is_atomic else "value"]["value"]
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self.weak = self.ptr["weak"]["v" if is_atomic else "value"]["value"] - 1
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self._valobj = valobj
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self._is_atomic = is_atomic
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self._ptr = unwrap_unique_or_non_null(valobj["ptr"])
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self._value = self._ptr["data" if is_atomic else "value"]
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self._strong = self._ptr["strong"]["v" if is_atomic else "value"]["value"]
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self._weak = self._ptr["weak"]["v" if is_atomic else "value"]["value"] - 1
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def to_string(self):
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if self.is_atomic:
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return "Arc(strong={}, weak={})".format(int(self.strong), int(self.weak))
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if self._is_atomic:
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return "Arc(strong={}, weak={})".format(int(self._strong), int(self._weak))
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else:
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return "Rc(strong={}, weak={})".format(int(self.strong), int(self.weak))
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return "Rc(strong={}, weak={})".format(int(self._strong), int(self._weak))
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def children(self):
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yield "value", self.value
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yield "strong", self.strong
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yield "weak", self.weak
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yield "value", self._value
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yield "strong", self._strong
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yield "weak", self._weak
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class StdCellProvider:
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class StdCellProvider(printer_base):
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def __init__(self, valobj):
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self.value = valobj["value"]["value"]
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self._value = valobj["value"]["value"]
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def to_string(self):
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return "Cell"
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def children(self):
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yield "value", self.value
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yield "value", self._value
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class StdRefProvider:
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class StdRefProvider(printer_base):
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def __init__(self, valobj):
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self.value = valobj["value"].dereference()
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self.borrow = valobj["borrow"]["borrow"]["value"]["value"]
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self._value = valobj["value"].dereference()
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self._borrow = valobj["borrow"]["borrow"]["value"]["value"]
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||||
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||||
def to_string(self):
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borrow = int(self.borrow)
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||||
borrow = int(self._borrow)
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||||
if borrow >= 0:
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||||
return "Ref(borrow={})".format(borrow)
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||||
else:
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||||
return "Ref(borrow_mut={})".format(-borrow)
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||||
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||||
def children(self):
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||||
yield "*value", self.value
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||||
yield "borrow", self.borrow
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||||
yield "*value", self._value
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||||
yield "borrow", self._borrow
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||||
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||||
|
||||
class StdRefCellProvider:
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||||
class StdRefCellProvider(printer_base):
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||||
def __init__(self, valobj):
|
||||
self.value = valobj["value"]["value"]
|
||||
self.borrow = valobj["borrow"]["value"]["value"]
|
||||
self._value = valobj["value"]["value"]
|
||||
self._borrow = valobj["borrow"]["value"]["value"]
|
||||
|
||||
def to_string(self):
|
||||
borrow = int(self.borrow)
|
||||
borrow = int(self._borrow)
|
||||
if borrow >= 0:
|
||||
return "RefCell(borrow={})".format(borrow)
|
||||
else:
|
||||
return "RefCell(borrow_mut={})".format(-borrow)
|
||||
|
||||
def children(self):
|
||||
yield "value", self.value
|
||||
yield "borrow", self.borrow
|
||||
yield "value", self._value
|
||||
yield "borrow", self._borrow
|
||||
|
||||
|
||||
class StdNonZeroNumberProvider:
|
||||
class StdNonZeroNumberProvider(printer_base):
|
||||
def __init__(self, valobj):
|
||||
fields = valobj.type.fields()
|
||||
assert len(fields) == 1
|
||||
field = list(fields)[0]
|
||||
self.value = str(valobj[field.name])
|
||||
self._value = str(valobj[field.name])
|
||||
|
||||
def to_string(self):
|
||||
return self.value
|
||||
return self._value
|
||||
|
||||
|
||||
# Yields children (in a provider's sense of the word) for a BTreeMap.
|
||||
@ -280,15 +289,15 @@ def children_of_btree_map(map):
|
||||
yield child
|
||||
|
||||
|
||||
class StdBTreeSetProvider:
|
||||
class StdBTreeSetProvider(printer_base):
|
||||
def __init__(self, valobj):
|
||||
self.valobj = valobj
|
||||
self._valobj = valobj
|
||||
|
||||
def to_string(self):
|
||||
return "BTreeSet(size={})".format(self.valobj["map"]["length"])
|
||||
return "BTreeSet(size={})".format(self._valobj["map"]["length"])
|
||||
|
||||
def children(self):
|
||||
inner_map = self.valobj["map"]
|
||||
inner_map = self._valobj["map"]
|
||||
for i, (child, _) in enumerate(children_of_btree_map(inner_map)):
|
||||
yield "[{}]".format(i), child
|
||||
|
||||
@ -297,15 +306,15 @@ class StdBTreeSetProvider:
|
||||
return "array"
|
||||
|
||||
|
||||
class StdBTreeMapProvider:
|
||||
class StdBTreeMapProvider(printer_base):
|
||||
def __init__(self, valobj):
|
||||
self.valobj = valobj
|
||||
self._valobj = valobj
|
||||
|
||||
def to_string(self):
|
||||
return "BTreeMap(size={})".format(self.valobj["length"])
|
||||
return "BTreeMap(size={})".format(self._valobj["length"])
|
||||
|
||||
def children(self):
|
||||
for i, (key, val) in enumerate(children_of_btree_map(self.valobj)):
|
||||
for i, (key, val) in enumerate(children_of_btree_map(self._valobj)):
|
||||
yield "key{}".format(i), key
|
||||
yield "val{}".format(i), val
|
||||
|
||||
@ -315,124 +324,124 @@ class StdBTreeMapProvider:
|
||||
|
||||
|
||||
# BACKCOMPAT: rust 1.35
|
||||
class StdOldHashMapProvider:
|
||||
class StdOldHashMapProvider(printer_base):
|
||||
def __init__(self, valobj, show_values=True):
|
||||
self.valobj = valobj
|
||||
self.show_values = show_values
|
||||
self._valobj = valobj
|
||||
self._show_values = show_values
|
||||
|
||||
self.table = self.valobj["table"]
|
||||
self.size = int(self.table["size"])
|
||||
self.hashes = self.table["hashes"]
|
||||
self.hash_uint_type = self.hashes.type
|
||||
self.hash_uint_size = self.hashes.type.sizeof
|
||||
self.modulo = 2 ** self.hash_uint_size
|
||||
self.data_ptr = self.hashes[ZERO_FIELD]["pointer"]
|
||||
self._table = self._valobj["table"]
|
||||
self._size = int(self._table["size"])
|
||||
self._hashes = self._table["hashes"]
|
||||
self._hash_uint_type = self._hashes.type
|
||||
self._hash_uint_size = self._hashes.type.sizeof
|
||||
self._modulo = 2 ** self._hash_uint_size
|
||||
self._data_ptr = self._hashes[ZERO_FIELD]["pointer"]
|
||||
|
||||
self.capacity_mask = int(self.table["capacity_mask"])
|
||||
self.capacity = (self.capacity_mask + 1) % self.modulo
|
||||
self._capacity_mask = int(self._table["capacity_mask"])
|
||||
self._capacity = (self._capacity_mask + 1) % self._modulo
|
||||
|
||||
marker = self.table["marker"].type
|
||||
self.pair_type = marker.template_argument(0)
|
||||
self.pair_type_size = self.pair_type.sizeof
|
||||
marker = self._table["marker"].type
|
||||
self._pair_type = marker.template_argument(0)
|
||||
self._pair_type_size = self._pair_type.sizeof
|
||||
|
||||
self.valid_indices = []
|
||||
for idx in range(self.capacity):
|
||||
data_ptr = self.data_ptr.cast(self.hash_uint_type.pointer())
|
||||
self._valid_indices = []
|
||||
for idx in range(self._capacity):
|
||||
data_ptr = self._data_ptr.cast(self._hash_uint_type.pointer())
|
||||
address = data_ptr + idx
|
||||
hash_uint = address.dereference()
|
||||
hash_ptr = hash_uint[ZERO_FIELD]["pointer"]
|
||||
if int(hash_ptr) != 0:
|
||||
self.valid_indices.append(idx)
|
||||
self._valid_indices.append(idx)
|
||||
|
||||
def to_string(self):
|
||||
if self.show_values:
|
||||
return "HashMap(size={})".format(self.size)
|
||||
if self._show_values:
|
||||
return "HashMap(size={})".format(self._size)
|
||||
else:
|
||||
return "HashSet(size={})".format(self.size)
|
||||
return "HashSet(size={})".format(self._size)
|
||||
|
||||
def children(self):
|
||||
start = int(self.data_ptr) & ~1
|
||||
start = int(self._data_ptr) & ~1
|
||||
|
||||
hashes = self.hash_uint_size * self.capacity
|
||||
align = self.pair_type_size
|
||||
len_rounded_up = (((((hashes + align) % self.modulo - 1) % self.modulo) & ~(
|
||||
(align - 1) % self.modulo)) % self.modulo - hashes) % self.modulo
|
||||
hashes = self._hash_uint_size * self._capacity
|
||||
align = self._pair_type_size
|
||||
len_rounded_up = (((((hashes + align) % self._modulo - 1) % self._modulo) & ~(
|
||||
(align - 1) % self._modulo)) % self._modulo - hashes) % self._modulo
|
||||
|
||||
pairs_offset = hashes + len_rounded_up
|
||||
pairs_start = gdb.Value(start + pairs_offset).cast(self.pair_type.pointer())
|
||||
pairs_start = gdb.Value(start + pairs_offset).cast(self._pair_type.pointer())
|
||||
|
||||
for index in range(self.size):
|
||||
table_index = self.valid_indices[index]
|
||||
idx = table_index & self.capacity_mask
|
||||
for index in range(self._size):
|
||||
table_index = self._valid_indices[index]
|
||||
idx = table_index & self._capacity_mask
|
||||
element = (pairs_start + idx).dereference()
|
||||
if self.show_values:
|
||||
if self._show_values:
|
||||
yield "key{}".format(index), element[ZERO_FIELD]
|
||||
yield "val{}".format(index), element[FIRST_FIELD]
|
||||
else:
|
||||
yield "[{}]".format(index), element[ZERO_FIELD]
|
||||
|
||||
def display_hint(self):
|
||||
return "map" if self.show_values else "array"
|
||||
return "map" if self._show_values else "array"
|
||||
|
||||
|
||||
class StdHashMapProvider:
|
||||
class StdHashMapProvider(printer_base):
|
||||
def __init__(self, valobj, show_values=True):
|
||||
self.valobj = valobj
|
||||
self.show_values = show_values
|
||||
self._valobj = valobj
|
||||
self._show_values = show_values
|
||||
|
||||
table = self.table()
|
||||
table = self._table()
|
||||
table_inner = table["table"]
|
||||
capacity = int(table_inner["bucket_mask"]) + 1
|
||||
ctrl = table_inner["ctrl"]["pointer"]
|
||||
|
||||
self.size = int(table_inner["items"])
|
||||
self.pair_type = table.type.template_argument(0).strip_typedefs()
|
||||
self._size = int(table_inner["items"])
|
||||
self._pair_type = table.type.template_argument(0).strip_typedefs()
|
||||
|
||||
self.new_layout = not table_inner.type.has_key("data")
|
||||
if self.new_layout:
|
||||
self.data_ptr = ctrl.cast(self.pair_type.pointer())
|
||||
self._new_layout = not table_inner.type.has_key("data")
|
||||
if self._new_layout:
|
||||
self._data_ptr = ctrl.cast(self._pair_type.pointer())
|
||||
else:
|
||||
self.data_ptr = table_inner["data"]["pointer"]
|
||||
self._data_ptr = table_inner["data"]["pointer"]
|
||||
|
||||
self.valid_indices = []
|
||||
self._valid_indices = []
|
||||
for idx in range(capacity):
|
||||
address = ctrl + idx
|
||||
value = address.dereference()
|
||||
is_presented = value & 128 == 0
|
||||
if is_presented:
|
||||
self.valid_indices.append(idx)
|
||||
self._valid_indices.append(idx)
|
||||
|
||||
def table(self):
|
||||
if self.show_values:
|
||||
hashbrown_hashmap = self.valobj["base"]
|
||||
elif self.valobj.type.fields()[0].name == "map":
|
||||
def _table(self):
|
||||
if self._show_values:
|
||||
hashbrown_hashmap = self._valobj["base"]
|
||||
elif self._valobj.type.fields()[0].name == "map":
|
||||
# BACKCOMPAT: rust 1.47
|
||||
# HashSet wraps std::collections::HashMap, which wraps hashbrown::HashMap
|
||||
hashbrown_hashmap = self.valobj["map"]["base"]
|
||||
hashbrown_hashmap = self._valobj["map"]["base"]
|
||||
else:
|
||||
# HashSet wraps hashbrown::HashSet, which wraps hashbrown::HashMap
|
||||
hashbrown_hashmap = self.valobj["base"]["map"]
|
||||
hashbrown_hashmap = self._valobj["base"]["map"]
|
||||
return hashbrown_hashmap["table"]
|
||||
|
||||
def to_string(self):
|
||||
if self.show_values:
|
||||
return "HashMap(size={})".format(self.size)
|
||||
if self._show_values:
|
||||
return "HashMap(size={})".format(self._size)
|
||||
else:
|
||||
return "HashSet(size={})".format(self.size)
|
||||
return "HashSet(size={})".format(self._size)
|
||||
|
||||
def children(self):
|
||||
pairs_start = self.data_ptr
|
||||
pairs_start = self._data_ptr
|
||||
|
||||
for index in range(self.size):
|
||||
idx = self.valid_indices[index]
|
||||
if self.new_layout:
|
||||
for index in range(self._size):
|
||||
idx = self._valid_indices[index]
|
||||
if self._new_layout:
|
||||
idx = -(idx + 1)
|
||||
element = (pairs_start + idx).dereference()
|
||||
if self.show_values:
|
||||
if self._show_values:
|
||||
yield "key{}".format(index), element[ZERO_FIELD]
|
||||
yield "val{}".format(index), element[FIRST_FIELD]
|
||||
else:
|
||||
yield "[{}]".format(index), element[ZERO_FIELD]
|
||||
|
||||
def display_hint(self):
|
||||
return "map" if self.show_values else "array"
|
||||
return "map" if self._show_values else "array"
|
||||
|
||||
@ -251,3 +251,10 @@ fn main() {
|
||||
pub fn takes_non_exhaustive(_: NonExhaustiveEnum) {
|
||||
let _closure = |_: NonExhaustiveEnum| {};
|
||||
}
|
||||
|
||||
// ICE #117033
|
||||
enum Void {}
|
||||
#[deny(non_exhaustive_omitted_patterns)]
|
||||
pub fn void(v: Void) -> ! {
|
||||
match v {}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user