diff options
Diffstat (limited to 'lib/dis.py')
| -rw-r--r-- | lib/dis.py | 172 |
1 files changed, 86 insertions, 86 deletions
@@ -4,64 +4,64 @@ import sys import string def dis(): - tb = sys.last_traceback - while tb.tb_next: tb = tb.tb_next - distb(tb) + tb = sys.last_traceback + while tb.tb_next: tb = tb.tb_next + distb(tb) def distb(tb): - disassemble(tb.tb_frame.f_code, tb.tb_lasti) + disassemble(tb.tb_frame.f_code, tb.tb_lasti) def disco(co): - disassemble(co, -1) + disassemble(co, -1) def disassemble(co, lasti): - code = co.co_code - labels = findlabels(code) - n = len(code) - i = 0 - while i < n: - c = code[i] - op = ord(c) - if op = SET_LINENO and i > 0: print # Extra blank line - if i = lasti: print '-->', - else: print ' ', - if i in labels: print '>>', - else: print ' ', - print string.rjust(`i`, 4), - print string.ljust(opname[op], 15), - i = i+1 - if op >= HAVE_ARGUMENT: - oparg = ord(code[i]) + ord(code[i+1])*256 - i = i+2 - print string.rjust(`oparg`, 5), - if op in hasconst: - print '(' + `co.co_consts[oparg]` + ')', - elif op in hasname: - print '(' + co.co_names[oparg] + ')', - elif op in hasjrel: - print '(to ' + `i + oparg` + ')', - print + code = co.co_code + labels = findlabels(code) + n = len(code) + i = 0 + while i < n: + c = code[i] + op = ord(c) + if op = SET_LINENO and i > 0: print # Extra blank line + if i = lasti: print '-->', + else: print ' ', + if i in labels: print '>>', + else: print ' ', + print string.rjust(`i`, 4), + print string.ljust(opname[op], 15), + i = i+1 + if op >= HAVE_ARGUMENT: + oparg = ord(code[i]) + ord(code[i+1])*256 + i = i+2 + print string.rjust(`oparg`, 5), + if op in hasconst: + print '(' + `co.co_consts[oparg]` + ')', + elif op in hasname: + print '(' + co.co_names[oparg] + ')', + elif op in hasjrel: + print '(to ' + `i + oparg` + ')', + print def findlabels(code): - 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 + 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 hasconst = [] hasname = [] @@ -72,19 +72,19 @@ opname = range(256) for op in opname: opname[op] = '<' + `op` + '>' def def_op(name, op): - opname[op] = name + opname[op] = name def name_op(name, op): - opname[op] = name - hasname.append(op) + opname[op] = name + hasname.append(op) def jrel_op(name, op): - opname[op] = name - hasjrel.append(op) + opname[op] = name + hasjrel.append(op) def jabs_op(name, op): - opname[op] = name - hasjabs.append(op) + opname[op] = name + hasjabs.append(op) # Instruction opcodes for compiled code @@ -141,36 +141,36 @@ def_op('POP_BLOCK', 87) def_op('END_FINALLY', 88) def_op('BUILD_CLASS', 89) -HAVE_ARGUMENT = 90 # Opcodes from here have an argument: +HAVE_ARGUMENT = 90 # Opcodes from here have an argument: -name_op('STORE_NAME', 90) # Index in name list -name_op('DELETE_NAME', 91) # "" -def_op('UNPACK_TUPLE', 92) # Number of tuple items -def_op('UNPACK_LIST', 93) # Number of list items -# unused: 94 -name_op('STORE_ATTR', 95) # Index in name list -name_op('DELETE_ATTR', 96) # "" +name_op('STORE_NAME', 90) # Index in name list +name_op('DELETE_NAME', 91) # "" +def_op('UNPACK_TUPLE', 92) # Number of tuple items +def_op('UNPACK_LIST', 93) # Number of list items +# unused: 94 +name_op('STORE_ATTR', 95) # Index in name list +name_op('DELETE_ATTR', 96) # "" -def_op('LOAD_CONST', 100) # Index in const list +def_op('LOAD_CONST', 100) # Index in const list hasconst.append(100) -name_op('LOAD_NAME', 101) # Index in name list -def_op('BUILD_TUPLE', 102) # Number of tuple items -def_op('BUILD_LIST', 103) # Number of list items -def_op('BUILD_MAP', 104) # Always zero for now -name_op('LOAD_ATTR', 105) # Index in name list -def_op('COMPARE_OP', 106) # Comparison operator -name_op('IMPORT_NAME', 107) # Index in name list -name_op('IMPORT_FROM', 108) # Index in name list - -jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip -jrel_op('JUMP_IF_FALSE', 111) # "" -jrel_op('JUMP_IF_TRUE', 112) # "" -jabs_op('JUMP_ABSOLUTE', 113) # Target byte offset from beginning of code -jrel_op('FOR_LOOP', 114) # Number of bytes to skip - -jrel_op('SETUP_LOOP', 120) # Distance to target address -jrel_op('SETUP_EXCEPT', 121) # "" -jrel_op('SETUP_FINALLY', 122) # "" - -def_op('SET_LINENO', 127) # Current line number +name_op('LOAD_NAME', 101) # Index in name list +def_op('BUILD_TUPLE', 102) # Number of tuple items +def_op('BUILD_LIST', 103) # Number of list items +def_op('BUILD_MAP', 104) # Always zero for now +name_op('LOAD_ATTR', 105) # Index in name list +def_op('COMPARE_OP', 106) # Comparison operator +name_op('IMPORT_NAME', 107) # Index in name list +name_op('IMPORT_FROM', 108) # Index in name list + +jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip +jrel_op('JUMP_IF_FALSE', 111) # "" +jrel_op('JUMP_IF_TRUE', 112) # "" +jabs_op('JUMP_ABSOLUTE', 113) # Target byte offset from beginning of code +jrel_op('FOR_LOOP', 114) # Number of bytes to skip + +jrel_op('SETUP_LOOP', 120) # Distance to target address +jrel_op('SETUP_EXCEPT', 121) # "" +jrel_op('SETUP_FINALLY', 122) # "" + +def_op('SET_LINENO', 127) # Current line number SET_LINENO = 127 |