The Window Independent Tracer (which will probably move elsewhere once

it is truly window-independent:-)

1 files changed, 94 insertions, 0 deletions

diff --git a/Mac/Tools/twit/twit.py b/Mac/Tools/twit/twit.py
new file mode 100644
index 0000000..6054939
--- /dev/null
+++ b/Mac/Tools/twit/twit.py
@@ -0,0 +1,94 @@
+"""twit - The Window-Independent Tracer.
+
+Interface:
+twit.main()						Enter debugger in inactive interactive state
+twit.run(stmt, globals, locals)	Enter debugger and start running stmt
+twit.post_mortem(traceback)		Enter debugger in post-mortem mode on traceback
+twit.pm()						Enter debugger in pm-mode on sys.last_traceback
+
+main program: nothing but a bit of glue to put it all together.
+
+Jack Jansen, CWI, August 1996."""
+
+import os
+if os.name == 'mac':
+	import MacOS
+	MacOS.splash(515)	# Try to show the splash screen
+	import mactwit_mod; twit_mod = mactwit_mod
+	import mactwit_stack; twit_stack = mactwit_stack
+	import mactwit_app; twit_app = mactwit_app
+	import mactwit_browser; twit_browser = mactwit_browser
+	import mactwit_edit; twit_edit = mactwit_edit
+else:
+	try:
+		import _tkinter
+		have_tk = 1
+	except ImportError:
+		have_tk = 0
+	if have_tk:
+		import tktwit_mod; twit_mod = tktwit_mod
+		import tktwit_stack; twit_stack = tktwit_stack
+		import tktwit_app; twit_app = tktwit_app
+	else:
+		print 'Please implementent twit_mod, twit_stack and twit_app and try again:-)'
+		sys.exit(1)
+	
+import TwitCore
+import sys
+
+class Twit(twit_app.Application, TwitCore.Application):
+
+	def new_module_browser(self, *args):
+		return apply(TWIT_ModuleBrowser, args)
+		
+	def new_stack_browser(self, *args):
+		return apply(TWIT_StackBrowser, args)
+		
+	def new_var_browser(self, *args):
+		return apply(TWIT_VarBrowser, args)
+	
+	def edit(self, *args):
+		return apply(twit_edit.edit, args)
+		
+class TWIT_ModuleBrowser(twit_mod.ModuleBrowser, TwitCore.ModuleBrowser):
+	pass
+	
+class TWIT_StackBrowser(twit_stack.StackBrowser, TwitCore.StackBrowser):
+	pass
+	
+def TWIT_VarBrowser(parent, var):
+	return twit_browser.VarBrowser(parent).open(var)
+	
+def Initialize():
+	# Gross...
+	TwitCore.AskString = twit_app.AskString
+	TwitCore.SetWatch = twit_app.SetWatch
+	TwitCore.SetCursor = twit_app.SetCursor
+	
+def main():
+	twit_app.Initialize()
+	TwitCore.Initialize()
+	Initialize()
+	if os.name == 'mac':
+		MacOS.splash()
+	Twit(None, None)
+	
+def run(statement, globals=None, locals=None):
+	twit_app.Initialize()
+	TwitCore.Initialize()
+	Initialize()
+	Twit((statement, globals, locals), None)
+
+def post_mortem(t):
+	twit_app.Initialize()
+	TwitCore.Initialize()
+	Initialize()
+	Twit(None, t)
+	
+def pm():
+	post_mortem(sys.last_traceback)
+	
+if __name__ == '__main__':
+	main()
+	
+