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# Any copyright is dedicated to the Public Domain.
# http://creativecommons.org/publicdomain/zero/1.0/
def frametree(debugger, command, result, dict):
"""Dumps the frame tree containing the given nsIFrame*."""
debugger.HandleCommand("expr (" + command + ")->DumpFrameTree()")
def frametree_pixels(debugger, command, result, dict):
"""Dumps the frame tree containing the given nsIFrame* in CSS pixels."""
debugger.HandleCommand("expr (" + command + ")->DumpFrameTreeInCSSPixels()")
def frametreelimited(debugger, command, result, dict):
"""Dumps the subtree of a frame tree rooted at the given nsIFrame*."""
debugger.HandleCommand("expr (" + command + ")->DumpFrameTreeLimited()")
def frametreelimited_pixels(debugger, command, result, dict):
"""Dumps the subtree of a frame tree rooted at the given nsIFrame*
in CSS pixels."""
debugger.HandleCommand("expr (" + command + ")->DumpFrameTreeLimitedInCSSPixels()")
def pstate(debugger, command, result, dict):
"""Displays a frame's state bits symbolically."""
debugger.HandleCommand("expr mozilla::PrintFrameState(" + command + ")")
def summarize_nscoord(valobj, internal_dict):
MAX = 0x3FFFFFFF
value = valobj.GetValueAsSigned(0)
if value == MAX:
return "NS_UNCONSTRAINEDSIZE"
if value == -MAX:
return "NS_INTRINSIC_ISIZE_UNKNOWN"
if value == MAX - (1000000 * 60):
return "INFINITE_ISIZE_COORD"
return "%.2gpx" % (value / 60.0)
def _find_child_field(valobj, name, depth=0):
child = valobj.GetChildMemberWithName(name)
if child.IsValid():
return child
if depth > 4:
return None
return _find_child_field(valobj.GetChildAtIndex(0), name, depth + 1)
def summarize_nspoint(valobj, internal_dict):
return "(%s, %s)" % (
summarize_nscoord(_find_child_field(valobj, "x"), {}),
summarize_nscoord(_find_child_field(valobj, "y"), {}),
)
def summarize_nssize(valobj, internal_dict):
return "(%s, %s)" % (
summarize_nscoord(_find_child_field(valobj, "width"), {}),
summarize_nscoord(_find_child_field(valobj, "height"), {}),
)
def summarize_nsrect(valobj, internal_dict):
return "%s x %s" % (
summarize_nspoint(valobj, {}),
summarize_nssize(valobj, {}),
)
def summarize_writing_mode(valobj, internal_dict):
wm = valobj.GetChildMemberWithName("mWritingMode")
# Values from: servo/components/style/logical_geometry.rs:29
VERTICAL = 1 << 0
# INLINE_REVERSED = 1 << 1
VERTICAL_LR = 1 << 2
LINE_INVERTED = 1 << 3
RTL = 1 << 4
VERTICAL_SIDEWAYS = 1 << 5
TEXT_SIDEWAYS = 1 << 6
# UPRIGHT = 1 << 7
bits = wm.GetChildMemberWithName("_0").GetValueAsUnsigned()
result = ""
if bits & VERTICAL:
result += "vertical-"
if bits & VERTICAL_LR:
result += "lr"
else:
result += "rl"
if bits & (VERTICAL_SIDEWAYS | TEXT_SIDEWAYS):
result += "-sideways"
if bits & LINE_INVERTED:
result += "inverted"
else:
result += "horizontal"
if not (bits & RTL):
result += "-ltr"
else:
result += "-rtl"
return result
def init(debugger):
debugger.HandleCommand("command script add -f lldbutils.layout.frametree frametree")
debugger.HandleCommand(
"command script add -f lldbutils.layout.frametree_pixels frametree_pixels"
)
debugger.HandleCommand(
"command script add -f lldbutils.layout.frametreelimited frametreelimited"
)
debugger.HandleCommand(
"command script add -f lldbutils.layout.frametreelimited_pixels frametreelimited_pixels"
)
debugger.HandleCommand("command alias ft frametree")
debugger.HandleCommand("command alias ftp frametree_pixels")
debugger.HandleCommand("command alias ftl frametreelimited")
debugger.HandleCommand("command alias ftlp frametreelimited_pixels")
debugger.HandleCommand("command script add -f lldbutils.layout.pstate pstate")
debugger.HandleCommand(
"type summary add nscoord -v -F lldbutils.layout.summarize_nscoord"
)
debugger.HandleCommand(
"type summary add nsPoint -v -F lldbutils.layout.summarize_nspoint"
)
debugger.HandleCommand(
"type summary add nsSize -v -F lldbutils.layout.summarize_nssize"
)
debugger.HandleCommand(
"type summary add nsRect -v -F lldbutils.layout.summarize_nsrect"
)
debugger.HandleCommand(
"type summary add mozilla::WritingMode -v -F lldbutils.layout.summarize_writing_mode"
)
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