Initial checkin of lldb code from internal Apple repo.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@105619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Interpreter/embedded_interpreter.py b/source/Interpreter/embedded_interpreter.py
new file mode 100644
index 0000000..38b2f9e
--- /dev/null
+++ b/source/Interpreter/embedded_interpreter.py
@@ -0,0 +1,90 @@
+import readline
+import code
+import sys
+import traceback
+
+class SimpleREPL(code.InteractiveConsole):
+ def __init__(self, prompt, dict):
+ code.InteractiveConsole.__init__(self,dict)
+ self.prompt = prompt
+ self.loop_exit = False
+ self.dict = dict
+
+ def interact(self):
+ try:
+ sys.ps1
+ except AttributeError:
+ sys.ps1 = ">>> "
+ try:
+ sys.ps2
+ except AttributeError:
+ sys.ps2 = "... "
+
+ while not self.loop_exit:
+ try:
+ self.read_py_command()
+ except (SystemExit, EOFError):
+ # EOF while in Python just breaks out to top level.
+ self.write('\n')
+ self.loop_exit = True
+ break
+ except KeyboardInterrupt:
+ self.write("\nKeyboardInterrupt\n")
+ self.resetbuffer()
+ more = 0
+ except:
+ traceback.print_exc()
+
+ def process_input (self, in_str):
+ # Canonicalize the format of the input string
+ temp_str = in_str
+ temp_str.strip(' \t')
+ words = temp_str.split()
+ temp_str = ('').join(words)
+
+ # Check the input string to see if it was the quit
+ # command. If so, intercept it, so that it doesn't
+ # close stdin on us!
+ if (temp_str.lower() == "quit()"):
+ self.loop_exit = True
+ in_str = "raise SystemExit "
+ return in_str
+
+ def my_raw_input (self, prompt):
+ stream = sys.stdout
+ stream.write (prompt)
+ stream.flush ()
+ try:
+ line = sys.stdin.readline()
+ except KeyboardInterrupt:
+ line = " \n"
+ except (SystemExit, EOFError):
+ line = "quit()\n"
+ if not line:
+ raise EOFError
+ if line[-1] == '\n':
+ line = line[:-1]
+ return line
+
+ def read_py_command(self):
+ # Read off a complete Python command.
+ more = 0
+ while 1:
+ if more:
+ prompt = sys.ps2
+ else:
+ prompt = sys.ps1
+ line = self.my_raw_input(prompt)
+ # Can be None if sys.stdin was redefined
+ encoding = getattr(sys.stdin, "encoding", None)
+ if encoding and not isinstance(line, unicode):
+ line = line.decode(encoding)
+ line = self.process_input (line)
+ more = self.push(line)
+ if not more:
+ break
+
+def run_python_interpreter (dict):
+ # Pass in the dictionary, for continuity from one session to the next.
+ repl = SimpleREPL('>>> ', dict)
+ repl.interact()