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authorManuel Jacob <unknown>2013-03-03 19:47:56 +0100
committerManuel Jacob <unknown>2013-03-03 19:47:56 +0100
commit6bf5947c098947c5fb727d7bfbd21bd2a25ede33 (patch)
treefbd256e111579fbe4f8082a02d7e0b37ece1c6af /lib-python/3/opcode.py
parentupgrade python 2 stdlib to 2.7.3 (diff)
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Rename lib-python/3.2 to lib-python/3 to simplify future stdlib upgrades.
Diffstat (limited to 'lib-python/3/opcode.py')
-rw-r--r--lib-python/3/opcode.py180
1 files changed, 180 insertions, 0 deletions
diff --git a/lib-python/3/opcode.py b/lib-python/3/opcode.py
new file mode 100644
index 0000000000..8e15d13e98
--- /dev/null
+++ b/lib-python/3/opcode.py
@@ -0,0 +1,180 @@
+
+"""
+opcode module - potentially shared between dis and other modules which
+operate on bytecodes (e.g. peephole optimizers).
+"""
+
+__all__ = ["cmp_op", "hasconst", "hasname", "hasjrel", "hasjabs",
+ "haslocal", "hascompare", "hasfree", "opname", "opmap",
+ "HAVE_ARGUMENT", "EXTENDED_ARG"]
+
+cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is',
+ 'is not', 'exception match', 'BAD')
+
+hasconst = []
+hasname = []
+hasjrel = []
+hasjabs = []
+haslocal = []
+hascompare = []
+hasfree = []
+
+opmap = {}
+opname = [''] * 256
+for op in range(256): opname[op] = '<%r>' % (op,)
+del op
+
+def def_op(name, op):
+ opname[op] = name
+ opmap[name] = op
+
+def name_op(name, op):
+ def_op(name, op)
+ hasname.append(op)
+
+def jrel_op(name, op):
+ def_op(name, op)
+ hasjrel.append(op)
+
+def jabs_op(name, op):
+ def_op(name, op)
+ hasjabs.append(op)
+
+# Instruction opcodes for compiled code
+# Blank lines correspond to available opcodes
+
+def_op('STOP_CODE', 0)
+def_op('POP_TOP', 1)
+def_op('ROT_TWO', 2)
+def_op('ROT_THREE', 3)
+def_op('DUP_TOP', 4)
+def_op('DUP_TOP_TWO', 5)
+
+def_op('NOP', 9)
+def_op('UNARY_POSITIVE', 10)
+def_op('UNARY_NEGATIVE', 11)
+def_op('UNARY_NOT', 12)
+
+def_op('UNARY_INVERT', 15)
+
+def_op('BINARY_POWER', 19)
+def_op('BINARY_MULTIPLY', 20)
+
+def_op('BINARY_MODULO', 22)
+def_op('BINARY_ADD', 23)
+def_op('BINARY_SUBTRACT', 24)
+def_op('BINARY_SUBSCR', 25)
+def_op('BINARY_FLOOR_DIVIDE', 26)
+def_op('BINARY_TRUE_DIVIDE', 27)
+def_op('INPLACE_FLOOR_DIVIDE', 28)
+def_op('INPLACE_TRUE_DIVIDE', 29)
+
+def_op('STORE_MAP', 54)
+def_op('INPLACE_ADD', 55)
+def_op('INPLACE_SUBTRACT', 56)
+def_op('INPLACE_MULTIPLY', 57)
+
+def_op('INPLACE_MODULO', 59)
+def_op('STORE_SUBSCR', 60)
+def_op('DELETE_SUBSCR', 61)
+def_op('BINARY_LSHIFT', 62)
+def_op('BINARY_RSHIFT', 63)
+def_op('BINARY_AND', 64)
+def_op('BINARY_XOR', 65)
+def_op('BINARY_OR', 66)
+def_op('INPLACE_POWER', 67)
+def_op('GET_ITER', 68)
+def_op('STORE_LOCALS', 69)
+
+def_op('PRINT_EXPR', 70)
+def_op('LOAD_BUILD_CLASS', 71)
+
+def_op('INPLACE_LSHIFT', 75)
+def_op('INPLACE_RSHIFT', 76)
+def_op('INPLACE_AND', 77)
+def_op('INPLACE_XOR', 78)
+def_op('INPLACE_OR', 79)
+def_op('BREAK_LOOP', 80)
+def_op('WITH_CLEANUP', 81)
+
+def_op('RETURN_VALUE', 83)
+def_op('IMPORT_STAR', 84)
+
+def_op('YIELD_VALUE', 86)
+def_op('POP_BLOCK', 87)
+def_op('END_FINALLY', 88)
+def_op('POP_EXCEPT', 89)
+
+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_SEQUENCE', 92) # Number of tuple items
+jrel_op('FOR_ITER', 93)
+def_op('UNPACK_EX', 94)
+name_op('STORE_ATTR', 95) # Index in name list
+name_op('DELETE_ATTR', 96) # ""
+name_op('STORE_GLOBAL', 97) # ""
+name_op('DELETE_GLOBAL', 98) # ""
+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_SET', 104) # Number of set items
+def_op('BUILD_MAP', 105) # Number of dict entries (upto 255)
+name_op('LOAD_ATTR', 106) # Index in name list
+def_op('COMPARE_OP', 107) # Comparison operator
+hascompare.append(107)
+name_op('IMPORT_NAME', 108) # Index in name list
+name_op('IMPORT_FROM', 109) # Index in name list
+
+jrel_op('JUMP_FORWARD', 110) # Number of bytes to skip
+jabs_op('JUMP_IF_FALSE_OR_POP', 111) # Target byte offset from beginning of code
+jabs_op('JUMP_IF_TRUE_OR_POP', 112) # ""
+jabs_op('JUMP_ABSOLUTE', 113) # ""
+jabs_op('POP_JUMP_IF_FALSE', 114) # ""
+jabs_op('POP_JUMP_IF_TRUE', 115) # ""
+
+name_op('LOAD_GLOBAL', 116) # Index in name list
+
+jabs_op('CONTINUE_LOOP', 119) # Target address
+jrel_op('SETUP_LOOP', 120) # Distance to target address
+jrel_op('SETUP_EXCEPT', 121) # ""
+jrel_op('SETUP_FINALLY', 122) # ""
+
+def_op('LOAD_FAST', 124) # Local variable number
+haslocal.append(124)
+def_op('STORE_FAST', 125) # Local variable number
+haslocal.append(125)
+def_op('DELETE_FAST', 126) # Local variable number
+haslocal.append(126)
+
+def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3)
+def_op('CALL_FUNCTION', 131) # #args + (#kwargs << 8)
+def_op('MAKE_FUNCTION', 132) # Number of args with default values
+def_op('BUILD_SLICE', 133) # Number of items
+def_op('MAKE_CLOSURE', 134)
+def_op('LOAD_CLOSURE', 135)
+hasfree.append(135)
+def_op('LOAD_DEREF', 136)
+hasfree.append(136)
+def_op('STORE_DEREF', 137)
+hasfree.append(137)
+def_op('DELETE_DEREF', 138)
+hasfree.append(138)
+
+def_op('CALL_FUNCTION_VAR', 140) # #args + (#kwargs << 8)
+def_op('CALL_FUNCTION_KW', 141) # #args + (#kwargs << 8)
+def_op('CALL_FUNCTION_VAR_KW', 142) # #args + (#kwargs << 8)
+
+jrel_op('SETUP_WITH', 143)
+
+def_op('LIST_APPEND', 145)
+def_op('SET_ADD', 146)
+def_op('MAP_ADD', 147)
+
+def_op('EXTENDED_ARG', 144)
+EXTENDED_ARG = 144
+
+del def_op, name_op, jrel_op, jabs_op