hintonda updated this revision to Diff 120308.
hintonda added a comment.
Reimplement at a python module.
https://reviews.llvm.org/D36347
Files:
utils/clangdiag.py
Index: utils/clangdiag.py
===================================================================
--- /dev/null
+++ utils/clangdiag.py
@@ -0,0 +1,124 @@
+#!/usr/bin/python
+
+#----------------------------------------------------------------------
+# Be sure to add the python path that points to the LLDB shared library.
+#
+# # To use this in the embedded python interpreter using "lldb" just
+# import it with the full path using the "command script import"
+# command
+# (lldb) command script import /path/to/clandiag.py
+#----------------------------------------------------------------------
+
+import lldb
+import argparse
+import commands
+import shlex
+import os
+from subprocess import check_output as qx;
+
+# State
+Breakpoints = []
+target = None
+diagtool = None
+
+class MyParser(argparse.ArgumentParser):
+ def format_help(self):
+ return ''' Commands for operating on clang diagnostic breakpoints
+
+Syntax: clangdiag <subcommand>
+
+The following subcommands are supported:
+
+ enable -- Enable clang diagnostic breakpoints.
+ disable -- Disable all clang diagnostic breakpoints.
+'''
+
+def create_diag_options():
+ parser = MyParser(prog='clangdiag')
+ subparsers = parser.add_subparsers(
+ title='subcommands',
+ dest='subcommands',
+ metavar='')
+ disable_parser = subparsers.add_parser('disable')
+ enable_parser = subparsers.add_parser('enable')
+ return parser
+
+def setDiagBreakpoint(frame, bp_loc, dict):
+ id = frame.FindVariable("DiagID").GetValue()
+ if id is None:
+ print('id is None')
+ return False
+
+ global target
+ global diagtool
+ global Breakpoints
+
+ name = qx([diagtool, "find-diagnostic-id", id]).rstrip();
+ bp = target.BreakpointCreateBySourceRegex(name, lldb.SBFileSpec())
+ Breakpoints.append(bp)
+
+ return False
+
+def enable(debugger, args):
+ # Always disable existing breakpoints
+ disable(debugger)
+
+ global target
+ global diagtool
+ global Breakpoints
+
+ target = debugger.GetSelectedTarget()
+ exe = target.GetExecutable()
+ if not exe.Exists():
+ print('Target (%s) not set.' % exe.GetFilename())
+ return
+ diagtool = os.path.join(exe.GetDirectory(), 'diagtool')
+ if not os.path.exists(diagtool):
+ print('diagtool not found along side %s' % exe)
+ return
+
+ bp = target.BreakpointCreateByName('DiagnosticsEngine::Report')
+ bp.SetScriptCallbackFunction('clangdiag.setDiagBreakpoint')
+ Breakpoints.append(bp)
+
+ return
+
+def disable(debugger):
+ global target
+ global diagtool
+ global Breakpoints
+ # Remove all diag breakpoints.
+ for bp in Breakpoints:
+ target.BreakpointDelete(bp.GetID())
+ target = None
+ diagtool = None
+ Breakpoints = []
+ return
+
+def the_diag_command(debugger, command, result, dict):
+ # Use the Shell Lexer to properly parse up command options just like a
+ # shell would
+ command_args = shlex.split(command)
+ parser = create_diag_options()
+ try:
+ args = parser.parse_args(command_args)
+ except:
+ return
+
+ if args.subcommands == 'enable':
+ enable(debugger, args)
+ else:
+ disable(debugger)
+
+ return
+
+def __lldb_init_module(debugger, dict):
+ # This initializer is being run from LLDB in the embedded command interpreter
+ # Make the options so we can generate the help text for the new LLDB
+ # command line command prior to registering it with LLDB below
+ parser = create_diag_options()
+ the_diag_command.__doc__ = parser.format_help()
+ # Add any commands contained in this module to LLDB
+ debugger.HandleCommand(
+ 'command script add -f clangdiag.the_diag_command clangdiag')
+ print 'The "clangdiag" command has been installed, type "help clangdiag" or "clangdiag --help" for detailed help.'
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