Add lldb pretty printers for ShortPtr, Vector, Int24, Int48.

extra/natvis.py

@@ -1,11 +1,103 @@
 import lldb
 
 def VectorSummary(value, dict):
-    size = value.GetChildMemberWithName('m_size').GetValueAsUnsigned()
-    capacity = 1 << value.GetChildMemberWithName('m_capacity').GetValueAsUnsigned()
-    magic = bool(value.GetChildMemberWithName('m_magic').GetValueAsUnsigned())
-    return 'size={0}, capacity={1}, magic={2}'.format(size, capacity, magic)
+    v = value.GetNonSyntheticValue()
+    size = v.GetChildMemberWithName('m_size').GetValueAsUnsigned()
+    capacityVal = v.GetChildMemberWithName('m_capacity').GetValueAsUnsigned()
+    capacity = 1 << capacityVal if capacityVal < 63 else 'read-only'
+    magic = bool(v.GetChildMemberWithName('m_magic').GetValueAsUnsigned())
+    return '{{size={0}, capacity={1}, magic={2}}}'.format(size, capacity, magic)
+
+def ShortPtrSummary(value, dict):
+    val = value.GetNonSyntheticValue()
+    ptr = val.GetChildMemberWithName('m_ptr')
+    type = val.GetType().GetTemplateArgumentType(0)
+    p0 = ptr.GetChildAtIndex(0).GetValueAsUnsigned()
+    p1 = ptr.GetChildAtIndex(1).GetValueAsUnsigned()
+    p2 = ptr.GetChildAtIndex(2).GetValueAsUnsigned()
+    p3 = ptr.GetChildAtIndex(3).GetValueAsUnsigned()
+    p4 = ptr.GetChildAtIndex(4).GetValueAsUnsigned()
+    p5 = ptr.GetChildAtIndex(5).GetValueAsUnsigned()
+    #return '0x{0:02x}{1:02x}{2:02x}{3:02x}{4:02x}{5:02x}'.format(p5, p4, p3, p2, p1, p0)
+    return value.CreateValueFromAddress('m_ptr', p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40), type)
+
+class ShortPtrPrinter:
+    def __init__(self, val, dict):
+        self.val = val
+        self.type = self.val.GetType().GetTemplateArgumentType(0)
+
+    def update(self):
+        ptr = self.val.GetChildMemberWithName('m_ptr')
+        p0 = ptr.GetChildAtIndex(0).GetValueAsUnsigned()
+        p1 = ptr.GetChildAtIndex(1).GetValueAsUnsigned()
+        p2 = ptr.GetChildAtIndex(2).GetValueAsUnsigned()
+        p3 = ptr.GetChildAtIndex(3).GetValueAsUnsigned()
+        p4 = ptr.GetChildAtIndex(4).GetValueAsUnsigned()
+        p5 = ptr.GetChildAtIndex(5).GetValueAsUnsigned()
+        self.ptr = p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40)
+
+    def num_children(self):
+        return 1
+
+    def get_child_index(self, name):
+        return int(name.lstrip('[').rstrip(']'))
+
+    def get_child_at_index(self, index):
+        return self.val.CreateValueFromAddress('m_ptr', self.ptr, self.type)
+
+class VectorPrinter:
+    def __init__(self, val, dict):
+        self.val = val
+        self.magic = bool(val.GetChildMemberWithName('m_magic').GetValueAsUnsigned())
+        if self.magic:
+            self.type = val.GetType().GetTemplateArgumentType(0).GetTemplateArgumentType(0)
+        else:
+            self.type = val.GetType().GetTemplateArgumentType(0)
+        self.stride = self.type.GetByteSize()
+
+    def update(self):
+        ptr = self.val.GetChildMemberWithName('m_ptr').GetChildMemberWithName('m_ptr')
+        p0 = ptr.GetChildAtIndex(0).GetValueAsUnsigned()
+        p1 = ptr.GetChildAtIndex(1).GetValueAsUnsigned()
+        p2 = ptr.GetChildAtIndex(2).GetValueAsUnsigned()
+        p3 = ptr.GetChildAtIndex(3).GetValueAsUnsigned()
+        p4 = ptr.GetChildAtIndex(4).GetValueAsUnsigned()
+        p5 = ptr.GetChildAtIndex(5).GetValueAsUnsigned()
+        self.ptr = p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40)
+        self.size = self.val.GetChildMemberWithName('m_size').GetValueAsUnsigned()
+
+    def num_children(self):
+        return self.size
+
+    def get_child_index(self, name):
+        return int(name.lstrip('[').rstrip(']'))
+
+    def get_child_at_index(self, index):
+        return self.val.CreateValueFromAddress('[%d]' % index, self.ptr + index * self.stride, self.type)
+
+def Int24Summary(value, dict):
+    val = value.GetNonSyntheticValue().GetChildMemberWithName('m_val')
+    p0 = val.GetChildAtIndex(0).GetValueAsUnsigned()
+    p1 = val.GetChildAtIndex(1).GetValueAsUnsigned()
+    p2 = val.GetChildAtIndex(2).GetValueAsUnsigned()
+    return p0 | (p1 << 8) | (p2 << 16)
+
+def Int48Summary(value, dict):
+    val = value.GetNonSyntheticValue().GetChildMemberWithName('m_val')
+    p0 = val.GetChildAtIndex(0).GetValueAsUnsigned()
+    p1 = val.GetChildAtIndex(1).GetValueAsUnsigned()
+    p2 = val.GetChildAtIndex(2).GetValueAsUnsigned()
+    p3 = val.GetChildAtIndex(3).GetValueAsUnsigned()
+    p4 = val.GetChildAtIndex(4).GetValueAsUnsigned()
+    p5 = val.GetChildAtIndex(5).GetValueAsUnsigned()
+    return p0 | (p1 << 8) | (p2 << 16) | (p3 << 24) | (p4 << 32) | (p5 << 40)
 
 def __lldb_init_module(debugger, dict):
+    lldb.formatters.Logger._lldb_formatters_debug_level = 2
     debugger.HandleCommand('type summary add -w tracy -F natvis.VectorSummary -x ^tracy::Vector<.+>')
+    debugger.HandleCommand('type summary add -w tracy -F natvis.ShortPtrSummary -x ^tracy::short_ptr<.+>')
+    debugger.HandleCommand('type summary add -w tracy -F natvis.Int24Summary -x ^tracy::Int24')
+    debugger.HandleCommand('type summary add -w tracy -F natvis.Int48Summary -x ^tracy::Int48')
+    debugger.HandleCommand('type synthetic add -w tracy -l natvis.VectorPrinter -x ^tracy::Vector<.+>')
+    debugger.HandleCommand('type synthetic add -w tracy -l natvis.ShortPtrPrinter -x ^tracy::short_ptr<.+>')
     debugger.HandleCommand('type category enable tracy')