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authorthegeorg <[email protected]>2024-03-15 23:28:02 +0300
committerthegeorg <[email protected]>2024-03-15 23:38:24 +0300
commit6635e51dd2fc4c8fbc3e510cd31c9c9102b7cfda (patch)
treed51d048d3eb5d7a24ec6e4302b589513a3b97de3 /contrib/tools/python/src/Lib/dis.py
parente894914751eea93bb23102a533c8d481b80c2560 (diff)
Store generated list of frozen modules for contrib/tools/python
a94357bf8071b16879eeabac1f52f54e278c03ed
Diffstat (limited to 'contrib/tools/python/src/Lib/dis.py')
-rw-r--r--contrib/tools/python/src/Lib/dis.py227
1 files changed, 0 insertions, 227 deletions
diff --git a/contrib/tools/python/src/Lib/dis.py b/contrib/tools/python/src/Lib/dis.py
deleted file mode 100644
index aba0860eb50..00000000000
--- a/contrib/tools/python/src/Lib/dis.py
+++ /dev/null
@@ -1,227 +0,0 @@
-"""Disassembler of Python byte code into mnemonics."""
-
-import sys
-import types
-
-from opcode import *
-from opcode import __all__ as _opcodes_all
-
-__all__ = ["dis", "disassemble", "distb", "disco",
- "findlinestarts", "findlabels"] + _opcodes_all
-del _opcodes_all
-
-_have_code = (types.MethodType, types.FunctionType, types.CodeType,
- types.ClassType, type)
-
-def dis(x=None):
- """Disassemble classes, methods, functions, or code.
-
- With no argument, disassemble the last traceback.
-
- """
- if x is None:
- distb()
- return
- if isinstance(x, types.InstanceType):
- x = x.__class__
- if hasattr(x, 'im_func'):
- x = x.im_func
- if hasattr(x, 'func_code'):
- x = x.func_code
- if hasattr(x, '__dict__'):
- items = x.__dict__.items()
- items.sort()
- for name, x1 in items:
- if isinstance(x1, _have_code):
- print "Disassembly of %s:" % name
- try:
- dis(x1)
- except TypeError, msg:
- print "Sorry:", msg
- print
- elif hasattr(x, 'co_code'):
- disassemble(x)
- elif isinstance(x, str):
- disassemble_string(x)
- else:
- raise TypeError, \
- "don't know how to disassemble %s objects" % \
- type(x).__name__
-
-def distb(tb=None):
- """Disassemble a traceback (default: last traceback)."""
- if tb is None:
- try:
- tb = sys.last_traceback
- except AttributeError:
- raise RuntimeError, "no last traceback to disassemble"
- while tb.tb_next: tb = tb.tb_next
- disassemble(tb.tb_frame.f_code, tb.tb_lasti)
-
-def disassemble(co, lasti=-1):
- """Disassemble a code object."""
- code = co.co_code
- labels = findlabels(code)
- linestarts = dict(findlinestarts(co))
- n = len(code)
- i = 0
- extended_arg = 0
- free = None
- while i < n:
- c = code[i]
- op = ord(c)
- if i in linestarts:
- if i > 0:
- print
- print "%3d" % linestarts[i],
- else:
- print ' ',
-
- if i == lasti: print '-->',
- else: print ' ',
- if i in labels: print '>>',
- else: print ' ',
- print repr(i).rjust(4),
- print opname[op].ljust(20),
- i = i+1
- if op >= HAVE_ARGUMENT:
- oparg = ord(code[i]) + ord(code[i+1])*256 + extended_arg
- extended_arg = 0
- i = i+2
- if op == EXTENDED_ARG:
- extended_arg = oparg*65536L
- print repr(oparg).rjust(5),
- if op in hasconst:
- print '(' + repr(co.co_consts[oparg]) + ')',
- elif op in hasname:
- print '(' + co.co_names[oparg] + ')',
- elif op in hasjrel:
- print '(to ' + repr(i + oparg) + ')',
- elif op in haslocal:
- print '(' + co.co_varnames[oparg] + ')',
- elif op in hascompare:
- print '(' + cmp_op[oparg] + ')',
- elif op in hasfree:
- if free is None:
- free = co.co_cellvars + co.co_freevars
- print '(' + free[oparg] + ')',
- print
-
-def disassemble_string(code, lasti=-1, varnames=None, names=None,
- constants=None):
- labels = findlabels(code)
- n = len(code)
- i = 0
- while i < n:
- c = code[i]
- op = ord(c)
- if i == lasti: print '-->',
- else: print ' ',
- if i in labels: print '>>',
- else: print ' ',
- print repr(i).rjust(4),
- print opname[op].ljust(15),
- i = i+1
- if op >= HAVE_ARGUMENT:
- oparg = ord(code[i]) + ord(code[i+1])*256
- i = i+2
- print repr(oparg).rjust(5),
- if op in hasconst:
- if constants:
- print '(' + repr(constants[oparg]) + ')',
- else:
- print '(%d)'%oparg,
- elif op in hasname:
- if names is not None:
- print '(' + names[oparg] + ')',
- else:
- print '(%d)'%oparg,
- elif op in hasjrel:
- print '(to ' + repr(i + oparg) + ')',
- elif op in haslocal:
- if varnames:
- print '(' + varnames[oparg] + ')',
- else:
- print '(%d)' % oparg,
- elif op in hascompare:
- print '(' + cmp_op[oparg] + ')',
- print
-
-disco = disassemble # XXX For backwards compatibility
-
-def findlabels(code):
- """Detect all offsets in a byte code which are jump targets.
-
- Return the list of offsets.
-
- """
- labels = []
- n = len(code)
- i = 0
- while i < n:
- c = code[i]
- op = ord(c)
- i = i+1
- if op >= HAVE_ARGUMENT:
- oparg = ord(code[i]) + ord(code[i+1])*256
- i = i+2
- label = -1
- if op in hasjrel:
- label = i+oparg
- elif op in hasjabs:
- label = oparg
- if label >= 0:
- if label not in labels:
- labels.append(label)
- return labels
-
-def findlinestarts(code):
- """Find the offsets in a byte code which are start of lines in the source.
-
- Generate pairs (offset, lineno) as described in Python/compile.c.
-
- """
- byte_increments = [ord(c) for c in code.co_lnotab[0::2]]
- line_increments = [ord(c) for c in code.co_lnotab[1::2]]
-
- lastlineno = None
- lineno = code.co_firstlineno
- addr = 0
- for byte_incr, line_incr in zip(byte_increments, line_increments):
- if byte_incr:
- if lineno != lastlineno:
- yield (addr, lineno)
- lastlineno = lineno
- addr += byte_incr
- if line_incr >= 0x80:
- # line_increments is an array of 8-bit signed integers
- line_incr -= 0x100
- lineno += line_incr
- if lineno != lastlineno:
- yield (addr, lineno)
-
-def _test():
- """Simple test program to disassemble a file."""
- if sys.argv[1:]:
- if sys.argv[2:]:
- sys.stderr.write("usage: python dis.py [-|file]\n")
- sys.exit(2)
- fn = sys.argv[1]
- if not fn or fn == "-":
- fn = None
- else:
- fn = None
- if fn is None:
- f = sys.stdin
- else:
- f = open(fn)
- source = f.read()
- if fn is not None:
- f.close()
- else:
- fn = "<stdin>"
- code = compile(source, fn, "exec")
- dis(code)
-
-if __name__ == "__main__":
- _test()