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precise printer injection

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Arne Döring
2019-01-21 17:38:17 +01:00
parent ea0c1811c5
commit b4d329d69f
1 changed files with 14 additions and 5 deletions
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19
tools/nim-gdb.py
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@@ -522,11 +522,20 @@ def makematcher(klass):
printErrorOnce(typeName, "No matcher for type '" + typeName + "': " + str(e) + "\n")
return matcher
def register_nim_pretty_printers_for_object(objfile):
nimMainSym = gdb.lookup_global_symbol("NimMain", gdb.SYMBOL_FUNCTIONS_DOMAIN)
if nimMainSym and nimMainSym.symtab.objfile == objfile:
print("set Nim pretty printers for ", objfile.filename)
objfile.type_printers = [NimTypePrinter()]
objfile.pretty_printers = [makematcher(var) for var in list(globals().values()) if hasattr(var, 'pattern')]
# Register pretty printers for all objfiles that are already loaded.
for old_objfile in gdb.objfiles():
register_nim_pretty_printers_for_object(old_objfile)
# Register an event handler to register nim pretty printers for all future objfiles.
def new_object_handler(event):
nimobjfile = gdb.current_objfile() or gdb.objfiles()[0]
nimobjfile.type_printers = []
nimobjfile.type_printers = [NimTypePrinter()]
nimobjfile.pretty_printers = []
nimobjfile.pretty_printers.extend([makematcher(var) for var in list(globals().values()) if hasattr(var, 'pattern')])
register_nim_pretty_printers_for_object(event.new_objfile)
gdb.events.new_objfile.connect(new_object_handler)