mirror of
https://review.haiku-os.org/buildtools
synced 2024-11-23 07:18:49 +01:00
101 lines
2.8 KiB
Python
101 lines
2.8 KiB
Python
import gdb
|
|
import re
|
|
|
|
# GDB Pretty Printers for most isl objects
|
|
class IslObjectPrinter:
|
|
"""Print an isl object"""
|
|
def __init__ (self, val, type):
|
|
self.val = val
|
|
self.type = type
|
|
|
|
def to_string (self):
|
|
# Cast val to a void pointer to stop gdb using this pretty
|
|
# printer for the pointer which would lead to an infinite loop.
|
|
void_ptr = gdb.lookup_type('void').pointer()
|
|
value = str(self.val.cast(void_ptr))
|
|
printer = gdb.parse_and_eval("isl_printer_to_str(isl_"
|
|
+ str(self.type)
|
|
+ "_get_ctx(" + value + "))")
|
|
printer = gdb.parse_and_eval("isl_printer_print_"
|
|
+ str(self.type) + "("
|
|
+ str(printer) + ", "
|
|
+ value + ")")
|
|
string = gdb.parse_and_eval("(char*)isl_printer_get_str("
|
|
+ str(printer) + ")")
|
|
gdb.parse_and_eval("isl_printer_free(" + str(printer) + ")")
|
|
return string
|
|
|
|
def display_hint (self):
|
|
return 'string'
|
|
|
|
class IslIntPrinter:
|
|
"""Print an isl_int """
|
|
def __init__ (self, val):
|
|
self.val = val
|
|
|
|
def to_string (self):
|
|
# Cast val to a void pointer to stop gdb using this pretty
|
|
# printer for the pointer which would lead to an infinite loop.
|
|
void_ptr = gdb.lookup_type('void').pointer()
|
|
value = str(self.val.cast(void_ptr))
|
|
|
|
context = gdb.parse_and_eval("isl_ctx_alloc()")
|
|
printer = gdb.parse_and_eval("isl_printer_to_str("
|
|
+ str(context) + ")")
|
|
printer = gdb.parse_and_eval("isl_printer_print_isl_int("
|
|
+ str(printer) + ", "
|
|
+ value + ")")
|
|
string = gdb.parse_and_eval("(char*)isl_printer_get_str("
|
|
+ str(printer) + ")")
|
|
gdb.parse_and_eval("isl_printer_free(" + str(printer) + ")")
|
|
gdb.parse_and_eval("isl_ctx_free(" + str(context) + ")")
|
|
return string
|
|
|
|
def display_hint (self):
|
|
return 'string'
|
|
|
|
class IslPrintCommand (gdb.Command):
|
|
"""Print an isl value."""
|
|
def __init__ (self):
|
|
super (IslPrintCommand, self).__init__ ("islprint",
|
|
gdb.COMMAND_OBSCURE)
|
|
def invoke (self, arg, from_tty):
|
|
arg = gdb.parse_and_eval(arg);
|
|
printer = str_lookup_function(arg)
|
|
|
|
if printer == None:
|
|
print("No isl printer for this type")
|
|
return
|
|
|
|
print(printer.to_string())
|
|
|
|
IslPrintCommand()
|
|
|
|
def str_lookup_function (val):
|
|
if val.type.code != gdb.TYPE_CODE_PTR:
|
|
if str(val.type) == "isl_int":
|
|
return IslIntPrinter(val)
|
|
else:
|
|
return None
|
|
|
|
lookup_tag = val.type.target()
|
|
regex = re.compile ("^isl_(.*)$")
|
|
|
|
if lookup_tag == None:
|
|
return None
|
|
|
|
m = regex.match (str(lookup_tag))
|
|
|
|
if m:
|
|
# Those types of printers defined in isl.
|
|
if m.group(1) in ["basic_set", "set", "union_set", "basic_map",
|
|
"map", "union_map", "qpolynomial",
|
|
"pw_qpolynomial", "pw_qpolynomial_fold",
|
|
"union_pw_qpolynomial",
|
|
"union_pw_qpolynomial_fold"]:
|
|
return IslObjectPrinter(val, m.group(1))
|
|
return None
|
|
|
|
# Do not register the pretty printer.
|
|
# gdb.current_objfile().pretty_printers.append(str_lookup_function)
|