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Test for tabs in tidy.py.
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Ms2ger
parent
4ff4b5833d
commit
a283f7801b
4 changed files with 84 additions and 81 deletions
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@ -22,120 +22,120 @@ import gdb
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# Print Au in both raw value and CSS pixels
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class AuPrinter:
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def __init__(self, val):
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self.val = val
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def __init__(self, val):
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self.val = val
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def to_string(self):
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i32_type = gdb.lookup_type("i32")
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au = self.val.cast(i32_type);
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return "{0}px ({1} au)".format(au / 60.0, au)
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def to_string(self):
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i32_type = gdb.lookup_type("i32")
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au = self.val.cast(i32_type);
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return "{0}px ({1} au)".format(au / 60.0, au)
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# Print a U8 bitfield as binary
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class BitFieldU8Printer:
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def __init__(self, val):
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self.val = val
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def __init__(self, val):
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self.val = val
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def to_string(self):
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u8_type = gdb.lookup_type("u8")
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value = self.val.cast(u8_type);
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return "[{0:#010b}]".format(int(value))
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def to_string(self):
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u8_type = gdb.lookup_type("u8")
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value = self.val.cast(u8_type);
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return "[{0:#010b}]".format(int(value))
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# Print a struct with fields as children
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class ChildPrinter:
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def __init__(self, val):
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self.val = val
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def __init__(self, val):
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self.val = val
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def children(self):
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children = []
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for f in self.val.type.fields():
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children.append( (f.name, self.val[f.name]) )
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return children
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def children(self):
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children = []
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for f in self.val.type.fields():
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children.append( (f.name, self.val[f.name]) )
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return children
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def to_string(self):
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return None
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def to_string(self):
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return None
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# Allow a trusted node to be dereferenced in the debugger
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class TrustedNodeAddressPrinter:
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def __init__(self, val):
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self.val = val
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def __init__(self, val):
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self.val = val
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def children(self):
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node_type = gdb.lookup_type("struct script::dom::node::Node").pointer()
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value = self.val.cast(node_type)
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return [('Node', value)]
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def children(self):
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node_type = gdb.lookup_type("struct script::dom::node::Node").pointer()
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value = self.val.cast(node_type)
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return [('Node', value)]
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def to_string(self):
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return self.val.address
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def to_string(self):
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return self.val.address
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# Extract a node type ID from enum
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class NodeTypeIdPrinter:
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def __init__(self, val):
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self.val = val
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def __init__(self, val):
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self.val = val
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def to_string(self):
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u8_ptr_type = gdb.lookup_type("u8").pointer()
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enum_0 = self.val.address.cast(u8_ptr_type).dereference()
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enum_type = self.val.type.fields()[int(enum_0)].type;
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return str(enum_type).lstrip('struct ')
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def to_string(self):
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u8_ptr_type = gdb.lookup_type("u8").pointer()
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enum_0 = self.val.address.cast(u8_ptr_type).dereference()
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enum_type = self.val.type.fields()[int(enum_0)].type;
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return str(enum_type).lstrip('struct ')
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# Printer for std::Option<>
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class OptionPrinter:
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def __init__(self, val):
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self.val = val
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def __init__(self, val):
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self.val = val
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def is_some(self):
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# Get size of discriminator
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d_size = self.val.type.fields()[0].type.sizeof
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def is_some(self):
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# Get size of discriminator
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d_size = self.val.type.fields()[0].type.sizeof
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if d_size > 0 and d_size <= 8:
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# Read first byte to check if None or Some
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ptr = self.val.address.cast(gdb.lookup_type("unsigned char").pointer())
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discriminator = int(ptr.dereference())
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return discriminator != 0
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if d_size > 0 and d_size <= 8:
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# Read first byte to check if None or Some
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ptr = self.val.address.cast(gdb.lookup_type("unsigned char").pointer())
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discriminator = int(ptr.dereference())
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return discriminator != 0
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raise "unhandled discriminator size"
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raise "unhandled discriminator size"
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def children(self):
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if self.is_some():
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option_type = self.val.type
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def children(self):
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if self.is_some():
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option_type = self.val.type
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# Get total size and size of value
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ptr = self.val.address.cast(gdb.lookup_type("unsigned char").pointer())
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t_size = option_type.sizeof
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value_type = option_type.fields()[1].type.fields()[1].type
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v_size = value_type.sizeof
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data_ptr = (ptr + t_size - v_size).cast(value_type.pointer()).dereference()
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return [('Some', data_ptr)]
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return [('None', None)]
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# Get total size and size of value
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ptr = self.val.address.cast(gdb.lookup_type("unsigned char").pointer())
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t_size = option_type.sizeof
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value_type = option_type.fields()[1].type.fields()[1].type
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v_size = value_type.sizeof
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data_ptr = (ptr + t_size - v_size).cast(value_type.pointer()).dereference()
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return [('Some', data_ptr)]
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return [('None', None)]
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def to_string(self):
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return None
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def to_string(self):
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return None
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# Useful for debugging when type is unknown
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class TestPrinter:
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def __init__(self, val):
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self.val = val
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def __init__(self, val):
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self.val = val
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def to_string(self):
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return "[UNKNOWN - type = {0}]".format(str(self.val.type))
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def to_string(self):
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return "[UNKNOWN - type = {0}]".format(str(self.val.type))
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type_map = [
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('Au', AuPrinter),
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('FlowFlags', BitFieldU8Printer),
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('IntrinsicWidths', ChildPrinter),
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('PlacementInfo', ChildPrinter),
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('TrustedNodeAddress', TrustedNodeAddressPrinter),
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('NodeTypeId', NodeTypeIdPrinter),
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('Option', OptionPrinter),
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('Au', AuPrinter),
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('FlowFlags', BitFieldU8Printer),
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('IntrinsicWidths', ChildPrinter),
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('PlacementInfo', ChildPrinter),
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('TrustedNodeAddress', TrustedNodeAddressPrinter),
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('NodeTypeId', NodeTypeIdPrinter),
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('Option', OptionPrinter),
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]
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def lookup_servo_type (val):
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val_type = str(val.type)
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for (type_name, printer) in type_map:
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if val_type == type_name or val_type.endswith("::"+type_name):
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return printer(val)
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return None
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#return TestPrinter(val)
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val_type = str(val.type)
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for (type_name, printer) in type_map:
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if val_type == type_name or val_type.endswith("::"+type_name):
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return printer(val)
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return None
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#return TestPrinter(val)
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def register_printers(obj):
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gdb.pretty_printers.append(lookup_servo_type)
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gdb.pretty_printers.append(lookup_servo_type)
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