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-rw-r--r--src/3rdparty/2geom/tools/lib2geom_gdb.py107
1 files changed, 107 insertions, 0 deletions
diff --git a/src/3rdparty/2geom/tools/lib2geom_gdb.py b/src/3rdparty/2geom/tools/lib2geom_gdb.py
new file mode 100644
index 0000000..f98421c
--- /dev/null
+++ b/src/3rdparty/2geom/tools/lib2geom_gdb.py
@@ -0,0 +1,107 @@
+import gdb.printing
+import math
+
+def xstr(val):
+ if val.is_optimized_out:
+ return "<optimized out>"
+ else:
+ return str(val)
+
+class GeomPointPrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ return "(" + xstr(self.val["_pt"][0]) + ", " + xstr(self.val["_pt"][1]) + ")"
+
+class GeomIntervalPrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ return "[" + xstr(self.val["_b"][0]) + ", " + xstr(self.val["_b"][1]) + ")"
+
+class GeomOptIntervalPrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ if self.val["m_initialized"]:
+ addr = self.val["m_storage"]["dummy_"]["data"].address
+ if self.val.type == gdb.lookup_type('Geom::OptInterval'):
+ return str(addr.cast(gdb.lookup_type('Geom::Interval').pointer()).dereference())
+ else:
+ return str(addr.cast(gdb.lookup_type('Geom::GenericInterval<int>').pointer()).dereference())
+ else:
+ return "empty"
+
+class GeomRectPrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ return str(self.val["f"][0]) + " x " + str(self.val["f"][1])
+
+class GeomOptRectPrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ if self.val["m_initialized"]:
+ addr = self.val["m_storage"]["dummy_"]["data"].address
+ if self.val.type == gdb.lookup_type('Geom::OptRect'):
+ return str(addr.cast(gdb.lookup_type('Geom::Rect').pointer()).dereference())
+ else:
+ return str(addr.cast(gdb.lookup_type('Geom::GenericRect<int>').pointer()).dereference())
+ else:
+ return "empty"
+
+class GeomAffinePrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ return ("\n | %8f %8f 0 |" +
+ "\n | %8f %8f 0 |" +
+ "\n | %8f %8f 1 |") % tuple(self.val["_c"][x] for x in range(0,6))
+
+class GeomTranslatePrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ return "translate by " + str(self.val["vec"])
+
+class GeomScalePrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ return "scale by " + str(self.val["vec"])
+
+class GeomRotatePrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ x = self.val["vec"][0]
+ y = self.val["vec"][1]
+ angle = math.atan2(y, x) / math.pi * 180.0
+ return "rotate by %s = %f degrees" % (str(self.val["vec"]), angle)
+
+class GeomZoomPrinter:
+ def __init__(self, val):
+ self.val = val
+ def to_string(self):
+ return "zoom %f%% at %s" % (self.val["_scale"] * 100, str(self.val["_trans"]))
+
+
+def lib2geom_pretty_printer():
+ pp = gdb.printing.RegexpCollectionPrettyPrinter("lib2geom")
+ pp.add_printer('Geom::Point', '^Geom::(Int)?Point$', GeomPointPrinter)
+ pp.add_printer('Geom::Interval', '^(Geom::Interval|Geom::GenericInterval<int>)$', GeomIntervalPrinter)
+ pp.add_printer('Geom::OptInterval', '^(Geom::OptInterval|Geom::GenericOptInterval<int>)$', GeomOptIntervalPrinter)
+ pp.add_printer('Geom::Rect', '^(Geom::Rect|Geom::GenericRect<int>)$', GeomRectPrinter)
+ pp.add_printer('Geom::OptRect', '^(Geom::OptRect|Geom::GenericOptRect<int>)$', GeomOptRectPrinter)
+ pp.add_printer('Geom::Affine', '^Geom::Affine$', GeomAffinePrinter)
+ pp.add_printer('Geom::Translate', '^Geom::Translate$', GeomTranslatePrinter)
+ pp.add_printer('Geom::Scale', '^Geom::Scale', GeomScalePrinter)
+ pp.add_printer('Geom::Rotate', '^Geom::Rotate$', GeomRotatePrinter)
+ pp.add_printer('Geom::Zoom', '^Geom::Zoom$', GeomZoomPrinter)
+ return pp
+
+def register_lib2geom_printers():
+ gdb.printing.register_pretty_printer(
+ gdb.current_objfile(),
+ lib2geom_pretty_printer())