diff options
Diffstat (limited to 'gdb/testsuite/gdb.python/py-prettyprint.py')
| -rw-r--r-- | gdb/testsuite/gdb.python/py-prettyprint.py | 312 |
1 files changed, 175 insertions, 137 deletions
diff --git a/gdb/testsuite/gdb.python/py-prettyprint.py b/gdb/testsuite/gdb.python/py-prettyprint.py index fab03a653b7..84dbc3ba3a4 100644 --- a/gdb/testsuite/gdb.python/py-prettyprint.py +++ b/gdb/testsuite/gdb.python/py-prettyprint.py @@ -19,73 +19,78 @@ import re import gdb -def _iterator (pointer, len): + +def _iterator(pointer, len): start = pointer end = pointer + len while pointer != end: - yield ('[%d]' % int (pointer - start), pointer.dereference()) + yield ("[%d]" % int(pointer - start), pointer.dereference()) pointer += 1 + # Same as _iterator but can be told to raise an exception. -def _iterator_except (pointer, len): +def _iterator_except(pointer, len): start = pointer end = pointer + len while pointer != end: if exception_flag: - raise gdb.MemoryError ('hi bob') - yield ('[%d]' % int (pointer - start), pointer.dereference()) + raise gdb.MemoryError("hi bob") + yield ("[%d]" % int(pointer - start), pointer.dereference()) pointer += 1 + # Test returning a Value from a printer. -class string_print (object): +class string_print(object): def __init__(self, val): self.val = val def to_string(self): - return self.val['whybother']['contents'] + return self.val["whybother"]["contents"] -# Test a class-based printer. -class ContainerPrinter (object): +# Test a class-based printer. +class ContainerPrinter(object): def __init__(self, val): self.val = val def to_string(self): - return 'container %s with %d elements' % (self.val['name'], self.val['len']) + return "container %s with %d elements" % (self.val["name"], self.val["len"]) def children(self): - return _iterator(self.val['elements'], self.val['len']) + return _iterator(self.val["elements"], self.val["len"]) - def display_hint (self): - if (self.val['is_map_p'] and self.val['is_array_p']): - raise Exception ("invalid object state found in display_hint") + def display_hint(self): + if self.val["is_map_p"] and self.val["is_array_p"]: + raise Exception("invalid object state found in display_hint") - if (self.val['is_map_p']): - return 'map' - elif (self.val['is_array_p']): - return 'array' + if self.val["is_map_p"]: + return "map" + elif self.val["is_array_p"]: + return "array" else: return None + # Treats a container as array. -class ArrayPrinter (object): +class ArrayPrinter(object): def __init__(self, val): self.val = val def to_string(self): - return 'array %s with %d elements' % (self.val['name'], self.val['len']) + return "array %s with %d elements" % (self.val["name"], self.val["len"]) def children(self): - return _iterator(self.val['elements'], self.val['len']) + return _iterator(self.val["elements"], self.val["len"]) + + def display_hint(self): + return "array" - def display_hint (self): - return 'array' # Flag to make NoStringContainerPrinter throw an exception. exception_flag = False # Test a printer where to_string is None -class NoStringContainerPrinter (object): +class NoStringContainerPrinter(object): def __init__(self, val): self.val = val @@ -93,28 +98,29 @@ class NoStringContainerPrinter (object): return None def children(self): - return _iterator_except (self.val['elements'], self.val['len']) + return _iterator_except(self.val["elements"], self.val["len"]) + # See ToStringReturnsValueWrapper. class ToStringReturnsValueInner: - def __init__(self, val): self.val = val def to_string(self): - return 'Inner to_string {}'.format(int(self.val['val'])) + return "Inner to_string {}".format(int(self.val["val"])) + # Test a printer that returns a gdb.Value in its to_string. That gdb.Value # also has its own pretty-printer. class ToStringReturnsValueWrapper: - def __init__(self, val): self.val = val def to_string(self): - return self.val['inner'] + return self.val["inner"] + -class pp_s (object): +class pp_s(object): def __init__(self, val): self.val = val @@ -125,155 +131,174 @@ class pp_s (object): raise Exception("&a(%s) != b(%s)" % (str(a.address), str(b))) return " a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">" -class pp_ss (object): + +class pp_ss(object): def __init__(self, val): self.val = val def to_string(self): return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">" -class pp_sss (object): + +class pp_sss(object): def __init__(self, val): self.val = val def to_string(self): - return "a=<" + str(self.val['a']) + "> b=<" + str(self.val["b"]) + ">" + return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">" -class pp_multiple_virtual (object): - def __init__ (self, val): + +class pp_multiple_virtual(object): + def __init__(self, val): self.val = val - def to_string (self): - return "pp value variable is: " + str (self.val['value']) + def to_string(self): + return "pp value variable is: " + str(self.val["value"]) + -class pp_vbase1 (object): - def __init__ (self, val): +class pp_vbase1(object): + def __init__(self, val): self.val = val - def to_string (self): + def to_string(self): return "pp class name: " + self.val.type.tag -class pp_nullstr (object): + +class pp_nullstr(object): def __init__(self, val): self.val = val def to_string(self): - return self.val['s'].string(gdb.target_charset()) + return self.val["s"].string(gdb.target_charset()) + -class pp_ns (object): +class pp_ns(object): "Print a std::basic_string of some kind" def __init__(self, val): self.val = val def to_string(self): - len = self.val['length'] - return self.val['null_str'].string (gdb.target_charset(), length = len) + len = self.val["length"] + return self.val["null_str"].string(gdb.target_charset(), length=len) + + def display_hint(self): + return "string" - def display_hint (self): - return 'string' pp_ls_encoding = None -class pp_ls (object): + +class pp_ls(object): "Print a std::basic_string of some kind" def __init__(self, val): self.val = val def to_string(self): - length = self.val['len'] + length = self.val["len"] if pp_ls_encoding is not None: if length >= 0: - return self.val['lazy_str'].lazy_string( - encoding = pp_ls_encoding, - length = length) + return self.val["lazy_str"].lazy_string( + encoding=pp_ls_encoding, length=length + ) else: - return self.val['lazy_str'].lazy_string( - encoding = pp_ls_encoding) + return self.val["lazy_str"].lazy_string(encoding=pp_ls_encoding) else: if length >= 0: - return self.val['lazy_str'].lazy_string(length = length) + return self.val["lazy_str"].lazy_string(length=length) else: - return self.val['lazy_str'].lazy_string() + return self.val["lazy_str"].lazy_string() + + def display_hint(self): + return "string" - def display_hint (self): - return 'string' -class pp_hint_error (object): +class pp_hint_error(object): "Throw error from display_hint" def __init__(self, val): self.val = val def to_string(self): - return 'hint_error_val' + return "hint_error_val" - def display_hint (self): + def display_hint(self): raise Exception("hint failed") -class pp_children_as_list (object): + +class pp_children_as_list(object): "Throw error from display_hint" def __init__(self, val): self.val = val def to_string(self): - return 'children_as_list_val' + return "children_as_list_val" + + def children(self): + return [("one", 1)] - def children (self): - return [('one', 1)] -class pp_outer (object): +class pp_outer(object): "Print struct outer" - def __init__ (self, val): + def __init__(self, val): self.val = val - def to_string (self): - return "x = %s" % self.val['x'] + def to_string(self): + return "x = %s" % self.val["x"] + + def children(self): + yield "s", self.val["s"] + yield "x", self.val["x"] - def children (self): - yield 's', self.val['s'] - yield 'x', self.val['x'] -class MemoryErrorString (object): +class MemoryErrorString(object): "Raise an error" def __init__(self, val): self.val = val def to_string(self): - raise gdb.MemoryError ("Cannot access memory.") + raise gdb.MemoryError("Cannot access memory.") - def display_hint (self): - return 'string' + def display_hint(self): + return "string" -class pp_eval_type (object): + +class pp_eval_type(object): def __init__(self, val): self.val = val def to_string(self): gdb.execute("bt", to_string=True) - return "eval=<" + str(gdb.parse_and_eval("eval_func (123456789, 2, 3, 4, 5, 6, 7, 8)")) + ">" + return ( + "eval=<" + + str(gdb.parse_and_eval("eval_func (123456789, 2, 3, 4, 5, 6, 7, 8)")) + + ">" + ) + -class pp_int_typedef (object): +class pp_int_typedef(object): def __init__(self, val): self.val = val def to_string(self): return "type=%s, val=%s" % (self.val.type, int(self.val)) -class pp_int_typedef3 (object): + +class pp_int_typedef3(object): "A printer without a to_string method" def __init__(self, val): self.val = val def children(self): - yield 's', 27 + yield "s", 27 -def lookup_function (val): + +def lookup_function(val): "Look-up and return a pretty-printer that can print val." # Get the type. @@ -281,12 +306,12 @@ def lookup_function (val): # If it points to a reference, get the reference. if type.code == gdb.TYPE_CODE_REF: - type = type.target () + type = type.target() # Get the unqualified type, stripped of typedefs. - type = type.unqualified ().strip_typedefs () + type = type.unqualified().strip_typedefs() - # Get the type name. + # Get the type name. typename = type.tag if typename == None: @@ -296,21 +321,24 @@ def lookup_function (val): # if a printer is registered for that type. Return an # instantiation of the printer if found. for function in pretty_printers_dict: - if function.match (typename): - return pretty_printers_dict[function] (val) - + if function.match(typename): + return pretty_printers_dict[function](val) + # Cannot find a pretty printer. Return None. return None -def disable_lookup_function (): + +def disable_lookup_function(): lookup_function.enabled = False -def enable_lookup_function (): + +def enable_lookup_function(): lookup_function.enabled = True + # Lookup a printer for VAL in the typedefs dict. -def lookup_typedefs_function (val): +def lookup_typedefs_function(val): "Look-up and return a pretty-printer that can print val (typedefs)." # Get the type. @@ -323,72 +351,82 @@ def lookup_typedefs_function (val): # printer is registered for that type. Return an instantiation of # the printer if found. for function in typedefs_pretty_printers_dict: - if function.match (type.name): - return typedefs_pretty_printers_dict[function] (val) + if function.match(type.name): + return typedefs_pretty_printers_dict[function](val) # Cannot find a pretty printer. return None -def register_pretty_printers (): - pretty_printers_dict[re.compile ('^struct s$')] = pp_s - pretty_printers_dict[re.compile ('^s$')] = pp_s - pretty_printers_dict[re.compile ('^S$')] = pp_s - - pretty_printers_dict[re.compile ('^struct ss$')] = pp_ss - pretty_printers_dict[re.compile ('^ss$')] = pp_ss - pretty_printers_dict[re.compile ('^const S &$')] = pp_s - pretty_printers_dict[re.compile ('^SSS$')] = pp_sss - - pretty_printers_dict[re.compile ('^VirtualTest$')] = pp_multiple_virtual - pretty_printers_dict[re.compile ('^Vbase1$')] = pp_vbase1 - - pretty_printers_dict[re.compile ('^struct nullstr$')] = pp_nullstr - pretty_printers_dict[re.compile ('^nullstr$')] = pp_nullstr - + +def register_pretty_printers(): + pretty_printers_dict[re.compile("^struct s$")] = pp_s + pretty_printers_dict[re.compile("^s$")] = pp_s + pretty_printers_dict[re.compile("^S$")] = pp_s + + pretty_printers_dict[re.compile("^struct ss$")] = pp_ss + pretty_printers_dict[re.compile("^ss$")] = pp_ss + pretty_printers_dict[re.compile("^const S &$")] = pp_s + pretty_printers_dict[re.compile("^SSS$")] = pp_sss + + pretty_printers_dict[re.compile("^VirtualTest$")] = pp_multiple_virtual + pretty_printers_dict[re.compile("^Vbase1$")] = pp_vbase1 + + pretty_printers_dict[re.compile("^struct nullstr$")] = pp_nullstr + pretty_printers_dict[re.compile("^nullstr$")] = pp_nullstr + # Note that we purposely omit the typedef names here. # Printer lookup is based on canonical name. # However, we do need both tagged and untagged variants, to handle # both the C and C++ cases. - pretty_printers_dict[re.compile ('^struct string_repr$')] = string_print - pretty_printers_dict[re.compile ('^struct container$')] = ContainerPrinter - pretty_printers_dict[re.compile ('^struct justchildren$')] = NoStringContainerPrinter - pretty_printers_dict[re.compile ('^string_repr$')] = string_print - pretty_printers_dict[re.compile ('^container$')] = ContainerPrinter - pretty_printers_dict[re.compile ('^justchildren$')] = NoStringContainerPrinter + pretty_printers_dict[re.compile("^struct string_repr$")] = string_print + pretty_printers_dict[re.compile("^struct container$")] = ContainerPrinter + pretty_printers_dict[re.compile("^struct justchildren$")] = NoStringContainerPrinter + pretty_printers_dict[re.compile("^string_repr$")] = string_print + pretty_printers_dict[re.compile("^container$")] = ContainerPrinter + pretty_printers_dict[re.compile("^justchildren$")] = NoStringContainerPrinter + + pretty_printers_dict[ + re.compile("^struct to_string_returns_value_inner$") + ] = ToStringReturnsValueInner + pretty_printers_dict[ + re.compile("^to_string_returns_value_inner$") + ] = ToStringReturnsValueInner + pretty_printers_dict[ + re.compile("^struct to_string_returns_value_wrapper$") + ] = ToStringReturnsValueWrapper + pretty_printers_dict[ + re.compile("^to_string_returns_value_wrapper$") + ] = ToStringReturnsValueWrapper - pretty_printers_dict[re.compile ('^struct to_string_returns_value_inner$')] = ToStringReturnsValueInner - pretty_printers_dict[re.compile ('^to_string_returns_value_inner$')] = ToStringReturnsValueInner - pretty_printers_dict[re.compile ('^struct to_string_returns_value_wrapper$')] = ToStringReturnsValueWrapper - pretty_printers_dict[re.compile ('^to_string_returns_value_wrapper$')] = ToStringReturnsValueWrapper + pretty_printers_dict[re.compile("^struct ns$")] = pp_ns + pretty_printers_dict[re.compile("^ns$")] = pp_ns - pretty_printers_dict[re.compile ('^struct ns$')] = pp_ns - pretty_printers_dict[re.compile ('^ns$')] = pp_ns + pretty_printers_dict[re.compile("^struct lazystring$")] = pp_ls + pretty_printers_dict[re.compile("^lazystring$")] = pp_ls - pretty_printers_dict[re.compile ('^struct lazystring$')] = pp_ls - pretty_printers_dict[re.compile ('^lazystring$')] = pp_ls + pretty_printers_dict[re.compile("^struct outerstruct$")] = pp_outer + pretty_printers_dict[re.compile("^outerstruct$")] = pp_outer - pretty_printers_dict[re.compile ('^struct outerstruct$')] = pp_outer - pretty_printers_dict[re.compile ('^outerstruct$')] = pp_outer + pretty_printers_dict[re.compile("^struct hint_error$")] = pp_hint_error + pretty_printers_dict[re.compile("^hint_error$")] = pp_hint_error - pretty_printers_dict[re.compile ('^struct hint_error$')] = pp_hint_error - pretty_printers_dict[re.compile ('^hint_error$')] = pp_hint_error + pretty_printers_dict[re.compile("^struct children_as_list$")] = pp_children_as_list + pretty_printers_dict[re.compile("^children_as_list$")] = pp_children_as_list - pretty_printers_dict[re.compile ('^struct children_as_list$')] = pp_children_as_list - pretty_printers_dict[re.compile ('^children_as_list$')] = pp_children_as_list + pretty_printers_dict[re.compile("^memory_error$")] = MemoryErrorString - pretty_printers_dict[re.compile ('^memory_error$')] = MemoryErrorString + pretty_printers_dict[re.compile("^eval_type_s$")] = pp_eval_type - pretty_printers_dict[re.compile ('^eval_type_s$')] = pp_eval_type + typedefs_pretty_printers_dict[re.compile("^int_type$")] = pp_int_typedef + typedefs_pretty_printers_dict[re.compile("^int_type2$")] = pp_int_typedef + typedefs_pretty_printers_dict[re.compile("^int_type3$")] = pp_int_typedef3 - typedefs_pretty_printers_dict[re.compile ('^int_type$')] = pp_int_typedef - typedefs_pretty_printers_dict[re.compile ('^int_type2$')] = pp_int_typedef - typedefs_pretty_printers_dict[re.compile ('^int_type3$')] = pp_int_typedef3 # Dict for struct types with typedefs fully stripped. pretty_printers_dict = {} # Dict for typedef types. typedefs_pretty_printers_dict = {} -register_pretty_printers () -gdb.pretty_printers.append (lookup_function) -gdb.pretty_printers.append (lookup_typedefs_function) +register_pretty_printers() +gdb.pretty_printers.append(lookup_function) +gdb.pretty_printers.append(lookup_typedefs_function) |