def rust_pretty_printer_lookup_function(gdb_val):
"""
Returns the correct Rust pretty printer for the given value
if there is one
"""
val = GdbValue(gdb_val)
type_kind = val.type.get_type_kind()
if type_kind == rustpp.TYPE_KIND_EMPTY:
return RustEmptyPrinter(val)
if type_kind == rustpp.TYPE_KIND_REGULAR_STRUCT:
return RustStructPrinter(val,
omit_first_field = False,
omit_type_name = False,
is_tuple_like = False)
if type_kind == rustpp.TYPE_KIND_STRUCT_VARIANT:
return RustStructPrinter(val,
omit_first_field = True,
omit_type_name = False,
is_tuple_like = False)
if type_kind == rustpp.TYPE_KIND_SLICE:
return RustSlicePrinter(val)
if type_kind == rustpp.TYPE_KIND_STR_SLICE:
return RustStringSlicePrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_VEC:
return RustStdVecPrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_VECDEQUE:
return RustStdVecDequePrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_BTREESET:
return RustStdBTreeSetPrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_BTREEMAP:
return RustStdBTreeMapPrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_STRING:
return RustStdStringPrinter(val)
if type_kind == rustpp.TYPE_KIND_OS_STRING:
return RustOsStringPrinter(val)
if type_kind == rustpp.TYPE_KIND_TUPLE:
return RustStructPrinter(val,
omit_first_field = False,
omit_type_name = True,
is_tuple_like = True)
if type_kind == rustpp.TYPE_KIND_TUPLE_STRUCT:
return RustStructPrinter(val,
omit_first_field = False,
omit_type_name = False,
is_tuple_like = True)
if type_kind == rustpp.TYPE_KIND_CSTYLE_VARIANT:
return RustCStyleVariantPrinter(val.get_child_at_index(0))
if type_kind == rustpp.TYPE_KIND_TUPLE_VARIANT:
return RustStructPrinter(val,
omit_first_field = True,
omit_type_name = False,
is_tuple_like = True)
if type_kind == rustpp.TYPE_KIND_SINGLETON_ENUM:
variant = get_field_at_index(gdb_val, 0)
return rust_pretty_printer_lookup_function(gdb_val[variant])
if type_kind == rustpp.TYPE_KIND_REGULAR_ENUM:
# This is a regular enum, extract the discriminant
discriminant_val = rustpp.get_discriminant_value_as_integer(val)
variant = get_field_at_index(gdb_val, discriminant_val)
return rust_pretty_printer_lookup_function(gdb_val[variant])
if type_kind == rustpp.TYPE_KIND_COMPRESSED_ENUM:
encoded_enum_info = rustpp.EncodedEnumInfo(val)
if encoded_enum_info.is_null_variant():
return IdentityPrinter(encoded_enum_info.get_null_variant_name())
non_null_val = encoded_enum_info.get_non_null_variant_val()
return rust_pretty_printer_lookup_function(non_null_val.get_wrapped_value())
# No pretty printer has been found
return None
def rust_pretty_printer_lookup_function(gdb_val):
"""
Returns the correct Rust pretty printer for the given value
if there is one
"""
val = GdbValue(gdb_val)
type_kind = val.type.get_type_kind()
if type_kind == rustpp.TYPE_KIND_SLICE:
return RustSlicePrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_VEC:
return RustStdVecPrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_VECDEQUE:
return RustStdVecDequePrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_BTREESET and gdb_81:
return RustStdBTreeSetPrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_BTREEMAP and gdb_81:
return RustStdBTreeMapPrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_STRING:
return RustStdStringPrinter(val)
if type_kind == rustpp.TYPE_KIND_OS_STRING:
return RustOsStringPrinter(val)
# Checks after this point should only be for "compiler" types --
# things that gdb's Rust language support knows about.
if rust_enabled:
return None
if type_kind == rustpp.TYPE_KIND_EMPTY:
return RustEmptyPrinter(val)
if type_kind == rustpp.TYPE_KIND_REGULAR_STRUCT:
return RustStructPrinter(val,
omit_first_field=False,
omit_type_name=False,
is_tuple_like=False)
if type_kind == rustpp.TYPE_KIND_STRUCT_VARIANT:
return RustStructPrinter(val,
omit_first_field=True,
omit_type_name=False,
is_tuple_like=False)
if type_kind == rustpp.TYPE_KIND_STR_SLICE:
return RustStringSlicePrinter(val)
if type_kind == rustpp.TYPE_KIND_TUPLE:
return RustStructPrinter(val,
omit_first_field=False,
omit_type_name=True,
is_tuple_like=True)
if type_kind == rustpp.TYPE_KIND_TUPLE_STRUCT:
return RustStructPrinter(val,
omit_first_field=False,
omit_type_name=False,
is_tuple_like=True)
if type_kind == rustpp.TYPE_KIND_CSTYLE_VARIANT:
return RustCStyleVariantPrinter(val.get_child_at_index(0))
if type_kind == rustpp.TYPE_KIND_TUPLE_VARIANT:
return RustStructPrinter(val,
omit_first_field=True,
omit_type_name=False,
is_tuple_like=True)
if type_kind == rustpp.TYPE_KIND_SINGLETON_ENUM:
variant = get_field_at_index(gdb_val, 0)
return rust_pretty_printer_lookup_function(gdb_val[variant])
if type_kind == rustpp.TYPE_KIND_REGULAR_ENUM:
# This is a regular enum, extract the discriminant
discriminant_val = rustpp.get_discriminant_value_as_integer(val)
variant = get_field_at_index(gdb_val, discriminant_val)
return rust_pretty_printer_lookup_function(gdb_val[variant])
if type_kind == rustpp.TYPE_KIND_COMPRESSED_ENUM:
encoded_enum_info = rustpp.EncodedEnumInfo(val)
if encoded_enum_info.is_null_variant():
return IdentityPrinter(encoded_enum_info.get_null_variant_name())
non_null_val = encoded_enum_info.get_non_null_variant_val()
return rust_pretty_printer_lookup_function(
non_null_val.get_wrapped_value())
# No pretty printer has been found
return None
def print_val(lldb_val, internal_dict):
val = LldbValue(lldb_val)
type_kind = val.type.get_type_kind()
if (type_kind == rustpp.TYPE_KIND_REGULAR_STRUCT
or type_kind == rustpp.TYPE_KIND_REGULAR_UNION
or type_kind == rustpp.TYPE_KIND_EMPTY):
return print_struct_val(val,
internal_dict,
omit_first_field=False,
omit_type_name=False,
is_tuple_like=False)
if type_kind == rustpp.TYPE_KIND_STRUCT_VARIANT:
return print_struct_val(val,
internal_dict,
omit_first_field=True,
omit_type_name=False,
is_tuple_like=False)
if type_kind == rustpp.TYPE_KIND_SLICE:
return print_vec_slice_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_STR_SLICE:
return print_str_slice_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_STD_VEC:
return print_std_vec_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_STD_STRING:
return print_std_string_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_TUPLE:
return print_struct_val(val,
internal_dict,
omit_first_field=False,
omit_type_name=True,
is_tuple_like=True)
if type_kind == rustpp.TYPE_KIND_TUPLE_STRUCT:
return print_struct_val(val,
internal_dict,
omit_first_field=False,
omit_type_name=False,
is_tuple_like=True)
if type_kind == rustpp.TYPE_KIND_CSTYLE_VARIANT:
return val.type.get_unqualified_type_name()
if type_kind == rustpp.TYPE_KIND_TUPLE_VARIANT:
return print_struct_val(val,
internal_dict,
omit_first_field=True,
omit_type_name=False,
is_tuple_like=True)
if type_kind == rustpp.TYPE_KIND_SINGLETON_ENUM:
return print_val(lldb_val.GetChildAtIndex(0), internal_dict)
if type_kind == rustpp.TYPE_KIND_PTR:
return print_pointer_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_FIXED_SIZE_VEC:
return print_fixed_size_vec_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_REGULAR_ENUM:
# This is a regular enum, extract the discriminant
discriminant_val = rustpp.get_discriminant_value_as_integer(val)
return print_val(lldb_val.GetChildAtIndex(discriminant_val),
internal_dict)
if type_kind == rustpp.TYPE_KIND_COMPRESSED_ENUM:
encoded_enum_info = rustpp.EncodedEnumInfo(val)
if encoded_enum_info.is_null_variant():
return encoded_enum_info.get_null_variant_name()
non_null_val = encoded_enum_info.get_non_null_variant_val()
return print_val(non_null_val.get_wrapped_value(), internal_dict)
# No pretty printer has been found
return lldb_val.GetValue()
def print_val(lldb_val, internal_dict):
val = LldbValue(lldb_val)
type_kind = val.type.get_type_kind()
if (type_kind == rustpp.TYPE_KIND_REGULAR_STRUCT or
type_kind == rustpp.TYPE_KIND_EMPTY):
return print_struct_val(val,
internal_dict,
omit_first_field = False,
omit_type_name = False,
is_tuple_like = False)
if type_kind == rustpp.TYPE_KIND_STRUCT_VARIANT:
return print_struct_val(val,
internal_dict,
omit_first_field = True,
omit_type_name = False,
is_tuple_like = False)
if type_kind == rustpp.TYPE_KIND_SLICE:
return print_vec_slice_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_STR_SLICE:
return print_str_slice_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_STD_VEC:
return print_std_vec_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_STD_STRING:
return print_std_string_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_TUPLE:
return print_struct_val(val,
internal_dict,
omit_first_field = False,
omit_type_name = True,
is_tuple_like = True)
if type_kind == rustpp.TYPE_KIND_TUPLE_STRUCT:
return print_struct_val(val,
internal_dict,
omit_first_field = False,
omit_type_name = False,
is_tuple_like = True)
if type_kind == rustpp.TYPE_KIND_CSTYLE_VARIANT:
return val.type.get_unqualified_type_name()
if type_kind == rustpp.TYPE_KIND_TUPLE_VARIANT:
return print_struct_val(val,
internal_dict,
omit_first_field = True,
omit_type_name = False,
is_tuple_like = True)
if type_kind == rustpp.TYPE_KIND_SINGLETON_ENUM:
return print_val(lldb_val.GetChildAtIndex(0), internal_dict)
if type_kind == rustpp.TYPE_KIND_PTR:
return print_pointer_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_FIXED_SIZE_VEC:
return print_fixed_size_vec_val(val, internal_dict)
if type_kind == rustpp.TYPE_KIND_REGULAR_ENUM:
# This is a regular enum, extract the discriminant
discriminant_val = rustpp.get_discriminant_value_as_integer(val)
return print_val(lldb_val.GetChildAtIndex(discriminant_val), internal_dict)
if type_kind == rustpp.TYPE_KIND_COMPRESSED_ENUM:
encoded_enum_info = rustpp.EncodedEnumInfo(val)
if encoded_enum_info.is_null_variant():
return encoded_enum_info.get_null_variant_name()
non_null_val = encoded_enum_info.get_non_null_variant_val()
return print_val(non_null_val.get_wrapped_value(), internal_dict)
# No pretty printer has been found
return lldb_val.GetValue()
def rust_pretty_printer_lookup_function(gdb_val):
"""
Returns the correct Rust pretty printer for the given value
if there is one
"""
val = GdbValue(gdb_val)
type_kind = val.type.get_type_kind()
if type_kind == rustpp.TYPE_KIND_EMPTY:
return RustEmptyPrinter(val)
if type_kind == rustpp.TYPE_KIND_REGULAR_STRUCT:
return RustStructPrinter(val,
omit_first_field = False,
omit_type_name = False,
is_tuple_like = False)
if type_kind == rustpp.TYPE_KIND_STRUCT_VARIANT:
return RustStructPrinter(val,
omit_first_field = True,
omit_type_name = False,
is_tuple_like = False)
if type_kind == rustpp.TYPE_KIND_SLICE:
return RustSlicePrinter(val)
if type_kind == rustpp.TYPE_KIND_STR_SLICE:
return RustStringSlicePrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_VEC:
return RustStdVecPrinter(val)
if type_kind == rustpp.TYPE_KIND_STD_STRING:
return RustStdStringPrinter(val)
if type_kind == rustpp.TYPE_KIND_OS_STRING:
return RustOsStringPrinter(val)
if type_kind == rustpp.TYPE_KIND_TUPLE:
return RustStructPrinter(val,
omit_first_field = False,
omit_type_name = True,
is_tuple_like = True)
if type_kind == rustpp.TYPE_KIND_TUPLE_STRUCT:
return RustStructPrinter(val,
omit_first_field = False,
omit_type_name = False,
is_tuple_like = True)
if type_kind == rustpp.TYPE_KIND_CSTYLE_VARIANT:
return RustCStyleVariantPrinter(val.get_child_at_index(0))
if type_kind == rustpp.TYPE_KIND_TUPLE_VARIANT:
return RustStructPrinter(val,
omit_first_field = True,
omit_type_name = False,
is_tuple_like = True)
if type_kind == rustpp.TYPE_KIND_SINGLETON_ENUM:
variant = get_field_at_index(gdb_val, 0)
return rust_pretty_printer_lookup_function(gdb_val[variant])
if type_kind == rustpp.TYPE_KIND_REGULAR_ENUM:
# This is a regular enum, extract the discriminant
discriminant_val = rustpp.get_discriminant_value_as_integer(val)
variant = get_field_at_index(gdb_val, discriminant_val)
return rust_pretty_printer_lookup_function(gdb_val[variant])
if type_kind == rustpp.TYPE_KIND_COMPRESSED_ENUM:
encoded_enum_info = rustpp.EncodedEnumInfo(val)
if encoded_enum_info.is_null_variant():
return IdentityPrinter(encoded_enum_info.get_null_variant_name())
non_null_val = encoded_enum_info.get_non_null_variant_val()
return rust_pretty_printer_lookup_function(non_null_val.get_wrapped_value())
# No pretty printer has been found
return None
