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* [SCM] archer-pmuldoon-python-backtrace: Add frame filter management classes, and FrameFilter base class
@ 2012-06-13 14:22 pmuldoon
0 siblings, 0 replies; only message in thread
From: pmuldoon @ 2012-06-13 14:22 UTC (permalink / raw)
To: archer-commits
The branch, archer-pmuldoon-python-backtrace has been updated
via 21b52446556e641bdafebf333a95fabd015ba84f (commit)
via 116249e4bb128d63c6ddfb57b3588e78d454f015 (commit)
from 565c7df6b7f0146584f71bea3ee7ee57e0a6fb3a (commit)
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- Log -----------------------------------------------------------------
commit 21b52446556e641bdafebf333a95fabd015ba84f
Author: Phil Muldoon <pmuldoon@redhat.com>
Date: Wed Jun 13 15:21:07 2012 +0100
Add frame filter management classes, and FrameFilter base class
commit 116249e4bb128d63c6ddfb57b3588e78d454f015
Author: Phil Muldoon <pmuldoon@redhat.com>
Date: Wed Jun 13 15:09:51 2012 +0100
Add Frame filter management and base class
-----------------------------------------------------------------------
Summary of changes:
gdb/python/lib/gdb/FrameFilter.py | 13 +
gdb/python/lib/gdb/FrameWrapper.py | 81 --
gdb/python/lib/gdb/__init__.py | 41 -
gdb/python/lib/gdb/command/__init__.py | 16 -
gdb/python/lib/gdb/command/explore.py | 755 -----------
gdb/python/lib/gdb/command/frame_filters.py | 282 ++++
gdb/python/lib/gdb/command/pretty_printers.py | 372 ------
gdb/python/lib/gdb/command/prompt.py | 66 -
gdb/python/lib/gdb/command/upto.py | 128 --
gdb/python/lib/gdb/printing.py | 258 ----
gdb/python/lib/gdb/prompt.py | 149 ---
gdb/python/lib/gdb/types.py | 111 --
gdb/python/py-auto-load.c | 298 -----
gdb/python/py-block.c | 548 --------
gdb/python/py-bpevent.c | 56 -
gdb/python/py-breakpoint.c | 1022 --------------
gdb/python/py-cmd.c | 699 ----------
gdb/python/py-continueevent.c | 53 -
gdb/python/py-event.c | 182 ---
gdb/python/py-event.h | 122 --
gdb/python/py-events.h | 60 -
gdb/python/py-evtregistry.c | 172 ---
gdb/python/py-evts.c | 74 -
gdb/python/py-exitedevent.c | 79 --
gdb/python/py-finishbreakpoint.c | 467 -------
gdb/python/py-frame.c | 1082 ---------------
gdb/python/py-framefilter.c | 825 ------------
gdb/python/py-function.c | 249 ----
gdb/python/py-inferior.c | 870 ------------
gdb/python/py-infthread.c | 342 -----
gdb/python/py-lazy-string.c | 250 ----
gdb/python/py-newobjfileevent.c | 70 -
gdb/python/py-objfile.c | 318 -----
gdb/python/py-param.c | 814 -----------
gdb/python/py-prettyprint.c | 836 ------------
gdb/python/py-progspace.c | 306 -----
gdb/python/py-signalevent.c | 53 -
gdb/python/py-stopevent.c | 117 --
gdb/python/py-stopevent.h | 36 -
gdb/python/py-symbol.c | 595 ---------
gdb/python/py-symtab.c | 603 ---------
gdb/python/py-threadevent.c | 78 --
gdb/python/py-type.c | 1777 -------------------------
gdb/python/py-utils.c | 395 ------
gdb/python/py-value.c | 1521 ---------------------
gdb/python/python-config.py | 77 --
gdb/python/python-internal.h | 349 -----
gdb/python/python.c | 1513 ---------------------
gdb/python/python.h | 57 -
49 files changed, 295 insertions(+), 18942 deletions(-)
create mode 100644 gdb/python/lib/gdb/FrameFilter.py
delete mode 100644 gdb/python/lib/gdb/FrameWrapper.py
delete mode 100644 gdb/python/lib/gdb/__init__.py
delete mode 100644 gdb/python/lib/gdb/command/__init__.py
delete mode 100644 gdb/python/lib/gdb/command/explore.py
create mode 100644 gdb/python/lib/gdb/command/frame_filters.py
delete mode 100644 gdb/python/lib/gdb/command/pretty_printers.py
delete mode 100644 gdb/python/lib/gdb/command/prompt.py
delete mode 100644 gdb/python/lib/gdb/command/upto.py
delete mode 100644 gdb/python/lib/gdb/printing.py
delete mode 100644 gdb/python/lib/gdb/prompt.py
delete mode 100644 gdb/python/lib/gdb/types.py
delete mode 100644 gdb/python/py-auto-load.c
delete mode 100644 gdb/python/py-block.c
delete mode 100644 gdb/python/py-bpevent.c
delete mode 100644 gdb/python/py-breakpoint.c
delete mode 100644 gdb/python/py-cmd.c
delete mode 100644 gdb/python/py-continueevent.c
delete mode 100644 gdb/python/py-event.c
delete mode 100644 gdb/python/py-event.h
delete mode 100644 gdb/python/py-events.h
delete mode 100644 gdb/python/py-evtregistry.c
delete mode 100644 gdb/python/py-evts.c
delete mode 100644 gdb/python/py-exitedevent.c
delete mode 100644 gdb/python/py-finishbreakpoint.c
delete mode 100644 gdb/python/py-frame.c
delete mode 100644 gdb/python/py-framefilter.c
delete mode 100644 gdb/python/py-function.c
delete mode 100644 gdb/python/py-inferior.c
delete mode 100644 gdb/python/py-infthread.c
delete mode 100644 gdb/python/py-lazy-string.c
delete mode 100644 gdb/python/py-newobjfileevent.c
delete mode 100644 gdb/python/py-objfile.c
delete mode 100644 gdb/python/py-param.c
delete mode 100644 gdb/python/py-prettyprint.c
delete mode 100644 gdb/python/py-progspace.c
delete mode 100644 gdb/python/py-signalevent.c
delete mode 100644 gdb/python/py-stopevent.c
delete mode 100644 gdb/python/py-stopevent.h
delete mode 100644 gdb/python/py-symbol.c
delete mode 100644 gdb/python/py-symtab.c
delete mode 100644 gdb/python/py-threadevent.c
delete mode 100644 gdb/python/py-type.c
delete mode 100644 gdb/python/py-utils.c
delete mode 100644 gdb/python/py-value.c
delete mode 100644 gdb/python/python-config.py
delete mode 100644 gdb/python/python-internal.h
delete mode 100644 gdb/python/python.c
delete mode 100644 gdb/python/python.h
First 500 lines of diff:
diff --git a/gdb/python/lib/gdb/FrameFilter.py b/gdb/python/lib/gdb/FrameFilter.py
new file mode 100644
index 0000000..2ce909f
--- /dev/null
+++ b/gdb/python/lib/gdb/FrameFilter.py
@@ -0,0 +1,13 @@
+import gdb
+
+class FrameFilter():
+
+ name = "Default"
+ priority = 100
+ enabled = True
+
+ def __init__(self, next_filter):
+ self.next_filter = next_filter
+
+ def filter(iter):
+ return iter
diff --git a/gdb/python/lib/gdb/FrameWrapper.py b/gdb/python/lib/gdb/FrameWrapper.py
deleted file mode 100644
index 11f69ed..0000000
--- a/gdb/python/lib/gdb/FrameWrapper.py
+++ /dev/null
@@ -1,81 +0,0 @@
-# Copyright (C) 2012 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-import gdb
-
-class FrameWrapper:
- "Base Frame Wrapper"
-
- def __init__ (self, frame):
- self.frame = frame
-
- def __new__ (self):
- return self
-
- def omit (self):
- return False
-
- def elide (self):
- return False
-
- def function (self):
- fname = str (self.frame.function())
- if (fname == ""):
- return "<unknown function>"
- else:
- return fname
-
- def level (self, level):
- return level
-
- def address (self):
- return self.frame.pc()
-
- def filename (self):
- sal = self.frame.find_sal()
- if (sal):
- return sal.symtab.filename
- else:
- return "<unknown filename>"
-
- def frame_args (self):
- args = self.frame.arguments()
- args_list = []
- if args != None:
- for arg in args:
- value = arg.value(self.frame)
- args_list.append((arg, value))
-
- return args_list
-
- def frame_locals (self):
- frame_locals = self.frame.locals()
- frame_locals_list = []
- if frame_locals != None:
- for frame_local in frame_locals:
- value = frame_local.value(self.frame)
- frame_locals_list.append((frame_local, value))
-
- return frame_locals_list
-
- def line (self):
- sal = self.frame.find_sal()
- if (sal):
- return sal.line
- else:
- return "<unknown line>"
-
- def inferior_frame (self):
- return self.frame
diff --git a/gdb/python/lib/gdb/__init__.py b/gdb/python/lib/gdb/__init__.py
deleted file mode 100644
index a82e495..0000000
--- a/gdb/python/lib/gdb/__init__.py
+++ /dev/null
@@ -1,41 +0,0 @@
-# Copyright (C) 2010-2012 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-import traceback
-
-# Auto-load all functions/commands.
-
-# Modules to auto-load, and the paths where those modules exist.
-
-module_dict = {
- 'gdb.function': os.path.join(gdb.PYTHONDIR, 'gdb', 'function'),
- 'gdb.command': os.path.join(gdb.PYTHONDIR, 'gdb', 'command')
-}
-
-# Iterate the dictionary, collating the Python files in each module
-# path. Construct the module name, and import.
-
-for module, location in module_dict.iteritems():
- if os.path.exists(location):
- py_files = filter(lambda x: x.endswith('.py') and x != '__init__.py',
- os.listdir(location))
-
- for py_file in py_files:
- # Construct from foo.py, gdb.module.foo
- py_file = module + '.' + py_file[:-3]
- try:
- exec('import ' + py_file)
- except:
- print >> sys.stderr, traceback.format_exc()
diff --git a/gdb/python/lib/gdb/command/__init__.py b/gdb/python/lib/gdb/command/__init__.py
deleted file mode 100644
index 0eb19f2..0000000
--- a/gdb/python/lib/gdb/command/__init__.py
+++ /dev/null
@@ -1,16 +0,0 @@
-# Copyright (C) 2010-2012 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-
diff --git a/gdb/python/lib/gdb/command/explore.py b/gdb/python/lib/gdb/command/explore.py
deleted file mode 100644
index aad3671..0000000
--- a/gdb/python/lib/gdb/command/explore.py
+++ /dev/null
@@ -1,755 +0,0 @@
-# GDB 'explore' command.
-# Copyright (C) 2012 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-"""Implementation of the GDB 'explore' command using the GDB Python API."""
-
-import gdb
-
-class Explorer(object):
- """Internal class which invokes other explorers."""
-
- # This map is filled by the Explorer.init_env() function
- type_code_to_explorer_map = { }
-
- _SCALAR_TYPE_LIST = (
- gdb.TYPE_CODE_CHAR,
- gdb.TYPE_CODE_INT,
- gdb.TYPE_CODE_BOOL,
- gdb.TYPE_CODE_FLT,
- gdb.TYPE_CODE_VOID,
- gdb.TYPE_CODE_ENUM,
- )
-
- @staticmethod
- def guard_expr(expr):
- length = len(expr)
- guard = False
-
- if expr[0] == '(' and expr[length-1] == ')':
- pass
- else:
- i = 0
- while i < length:
- c = expr[i]
- if (c == '_' or ('a' <= c and c <= 'z') or
- ('A' <= c and c <= 'Z') or ('0' <= c and c <= '9')):
- pass
- else:
- guard = True
- break
- i += 1
-
- if guard:
- return "(" + expr + ")"
- else:
- return expr
-
- @staticmethod
- def explore_expr(expr, value, is_child):
- """Main function to explore an expression value.
-
- Arguments:
- expr: The expression string that is being explored.
- value: The gdb.Value value of the expression.
- is_child: Boolean value to indicate if the expression is a child.
- An expression is a child if it is derived from the main
- expression entered by the user. For example, if the user
- entered an expression which evaluates to a struct, then
- when exploring the fields of the struct, is_child is set
- to True internally.
-
- Returns:
- No return value.
- """
- type_code = value.type.code
- if type_code in Explorer.type_code_to_explorer_map:
- explorer_class = Explorer.type_code_to_explorer_map[type_code]
- while explorer_class.explore_expr(expr, value, is_child):
- pass
- else:
- print ("Explorer for type '%s' not yet available.\n" %
- str(value.type))
-
- @staticmethod
- def explore_type(name, datatype, is_child):
- """Main function to explore a data type.
-
- Arguments:
- name: The string representing the path to the data type being
- explored.
- datatype: The gdb.Type value of the data type being explored.
- is_child: Boolean value to indicate if the name is a child.
- A name is a child if it is derived from the main name
- entered by the user. For example, if the user entered
- the name of struct type, then when exploring the fields
- of the struct, is_child is set to True internally.
-
- Returns:
- No return value.
- """
- type_code = datatype.code
- if type_code in Explorer.type_code_to_explorer_map:
- explorer_class = Explorer.type_code_to_explorer_map[type_code]
- while explorer_class.explore_type(name, datatype, is_child):
- pass
- else:
- print ("Explorer for type '%s' not yet available.\n" %
- str(datatype))
-
- @staticmethod
- def init_env():
- """Initializes the Explorer environment.
- This function should be invoked before starting any exploration. If
- invoked before an exploration, it need not be invoked for subsequent
- explorations.
- """
- Explorer.type_code_to_explorer_map = {
- gdb.TYPE_CODE_CHAR : ScalarExplorer,
- gdb.TYPE_CODE_INT : ScalarExplorer,
- gdb.TYPE_CODE_BOOL : ScalarExplorer,
- gdb.TYPE_CODE_FLT : ScalarExplorer,
- gdb.TYPE_CODE_VOID : ScalarExplorer,
- gdb.TYPE_CODE_ENUM : ScalarExplorer,
- gdb.TYPE_CODE_STRUCT : CompoundExplorer,
- gdb.TYPE_CODE_UNION : CompoundExplorer,
- gdb.TYPE_CODE_PTR : PointerExplorer,
- gdb.TYPE_CODE_REF : ReferenceExplorer,
- gdb.TYPE_CODE_TYPEDEF : TypedefExplorer,
- gdb.TYPE_CODE_ARRAY : ArrayExplorer
- }
-
- @staticmethod
- def is_scalar_type(type):
- """Checks whether a type is a scalar type.
- A type is a scalar type of its type is
- gdb.TYPE_CODE_CHAR or
- gdb.TYPE_CODE_INT or
- gdb.TYPE_CODE_BOOL or
- gdb.TYPE_CODE_FLT or
- gdb.TYPE_CODE_VOID or
- gdb.TYPE_CODE_ENUM.
-
- Arguments:
- type: The type to be checked.
-
- Returns:
- 'True' if 'type' is a scalar type. 'False' otherwise.
- """
- return type.code in Explorer._SCALAR_TYPE_LIST
-
- @staticmethod
- def return_to_parent_value():
- """A utility function which prints that the current exploration session
- is returning to the parent value. Useful when exploring values.
- """
- print "\nReturning to parent value...\n"
-
- @staticmethod
- def return_to_parent_value_prompt():
- """A utility function which prompts the user to press the 'enter' key
- so that the exploration session can shift back to the parent value.
- Useful when exploring values.
- """
- raw_input("\nPress enter to return to parent value: ")
-
- @staticmethod
- def return_to_enclosing_type():
- """A utility function which prints that the current exploration session
- is returning to the enclosing type. Useful when exploring types.
- """
- print "\nReturning to enclosing type...\n"
-
- @staticmethod
- def return_to_enclosing_type_prompt():
- """A utility function which prompts the user to press the 'enter' key
- so that the exploration session can shift back to the enclosing type.
- Useful when exploring types.
- """
- raw_input("\nPress enter to return to enclosing type: ")
-
-
-class ScalarExplorer(object):
- """Internal class used to explore scalar values."""
-
- @staticmethod
- def explore_expr(expr, value, is_child):
- """Function to explore scalar values.
- See Explorer.explore_expr and Explorer.is_scalar_type for more
- information.
- """
- print ("'%s' is a scalar value of type '%s'." %
- (expr, value.type))
- print "%s = %s" % (expr, str(value))
-
- if is_child:
- Explorer.return_to_parent_value_prompt()
- Explorer.return_to_parent_value()
-
- return False
-
- @staticmethod
- def explore_type(name, datatype, is_child):
- """Function to explore scalar types.
- See Explorer.explore_type and Explorer.is_scalar_type for more
- information.
- """
- if datatype.code == gdb.TYPE_CODE_ENUM:
- if is_child:
- print ("%s is of an enumerated type '%s'." %
- (name, str(datatype)))
- else:
- print "'%s' is an enumerated type." % name
- else:
- if is_child:
- print ("%s is of a scalar type '%s'." %
- (name, str(datatype)))
- else:
- print "'%s' is a scalar type." % name
-
- if is_child:
- Explorer.return_to_enclosing_type_prompt()
- Explorer.return_to_enclosing_type()
-
- return False
-
-
-class PointerExplorer(object):
- """Internal class used to explore pointer values."""
-
- @staticmethod
- def explore_expr(expr, value, is_child):
- """Function to explore pointer values.
- See Explorer.explore_expr for more information.
- """
- print ("'%s' is a pointer to a value of type '%s'" %
- (expr, str(value.type.target())))
- option = raw_input("Continue exploring it as a pointer to a single "
- "value [y/n]: ")
- if option == "y":
- deref_value = None
- try:
- deref_value = value.dereference()
- str(deref_value)
- except gdb.MemoryError:
- print ("'%s' a pointer pointing to an invalid memory "
- "location." % expr)
- if is_child:
- Explorer.return_to_parent_value_prompt()
- return False
- Explorer.explore_expr("*%s" % Explorer.guard_expr(expr),
- deref_value, is_child)
- return False
-
- option = raw_input("Continue exploring it as a pointer to an "
- "array [y/n]: ")
- if option == "y":
- while True:
- index = 0
- try:
- index = int(raw_input("Enter the index of the element you "
- "want to explore in '%s': " % expr))
- except ValueError:
- break
- element_expr = "%s[%d]" % (Explorer.guard_expr(expr), index)
- element = value[index]
- try:
- str(element)
- except gdb.MemoryError:
- print "Cannot read value at index %d." % index
- continue
- Explorer.explore_expr(element_expr, element, True)
- return False
-
- if is_child:
- Explorer.return_to_parent_value()
- return False
-
- @staticmethod
- def explore_type(name, datatype, is_child):
- """Function to explore pointer types.
- See Explorer.explore_type for more information.
- """
- target_type = datatype.target()
- print ("\n%s is a pointer to a value of type '%s'." %
- (name, str(target_type)))
-
- Explorer.explore_type("the pointee type of %s" % name,
- target_type,
- is_child)
- return False
-
-
-class ReferenceExplorer(object):
- """Internal class used to explore reference (TYPE_CODE_REF) values."""
-
- @staticmethod
- def explore_expr(expr, value, is_child):
- """Function to explore array values.
- See Explorer.explore_expr for more information.
- """
- referenced_value = value.referenced_value()
- Explorer.explore_expr(expr, referenced_value, is_child)
- return False
-
- @staticmethod
- def explore_type(name, datatype, is_child):
- """Function to explore pointer types.
- See Explorer.explore_type for more information.
- """
- target_type = datatype.target()
- Explorer.explore_type(name, target_type, is_child)
- return False
-
-
-class ArrayExplorer(object):
- """Internal class used to explore arrays."""
-
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