add basic CodeObject, Opcode, and Opnames

bytecode/codeobject.go

@@ -0,0 +1,8 @@
+package bytecode
+
+type CodeObject struct {
+}
+
+func NewCodeObject() *CodeObject {
+	return &CodeObject{}
+}

bytecode/opcode.go

@@ -0,0 +1,127 @@
+package bytecode
+
+type Opcode int
+
+const (
+	POP_TOP Opcode = iota
+	ROT_TWO
+	ROT_THREE
+	DUP_TOP
+	DUP_TOP_TWO
+	NOP
+	UNARY_POSITIVE
+	UNARY_NEGATIVE
+	UNARY_NOT
+	UNARY_INVERT
+	BINARY_MATRIX_MULTIPLY
+	INPLACE_MATRIX_MULTIPLY
+	BINARY_POWER
+	BINARY_MULTIPLY
+	BINARY_MODULO
+	BINARY_ADD
+	BINARY_SUBTRACT
+	BINARY_SUBSCR
+	BINARY_FLOOR_DIVIDE
+	BINARY_TRUE_DIVIDE
+	INPLACE_FLOOR_DIVIDE
+	INPLACE_TRUE_DIVIDE
+	GET_AITER
+	GET_ANEXT
+	BEFORE_ASYNC_WITH
+	INPLACE_ADD
+	INPLACE_SUBTRACT
+	INPLACE_MULTIPLY
+	INPLACE_MODULO
+	STORE_SUBSCR
+	DELETE_SUBSCR
+	BINARY_LSHIFT
+	BINARY_RSHIFT
+	BINARY_AND
+	BINARY_XOR
+	BINARY_OR
+	INPLACE_POWER
+	GET_ITER
+	GET_YIELD_FROM_ITER
+	PRINT_EXPR
+	LOAD_BUILD_CLASS
+	YIELD_FROM
+	GET_AWAITABLE
+	INPLACE_LSHIFT
+	INPLACE_RSHIFT
+	INPLACE_AND
+	INPLACE_XOR
+	INPLACE_OR
+	BREAK_LOOP
+	WITH_CLEANUP_START
+	WITH_CLEANUP_FINISH
+	RETURN_VALUE
+	IMPORT_STAR
+	YIELD_VALUE
+	POP_BLOCK
+	END_FINALLY
+	POP_EXCEPT
+	HAVE_ARGUMENT
+	STORE_NAME
+	DELETE_NAME
+	UNPACK_SEQUENCE
+	FOR_ITER
+	UNPACK_EX
+	STORE_ATTR
+	DELETE_ATTR
+	STORE_GLOBAL
+	DELETE_GLOBAL
+	LOAD_CONST
+	LOAD_NAME
+	BUILD_TUPLE
+	BUILD_LIST
+	BUILD_SET
+	BUILD_MAP
+	LOAD_ATTR
+	COMPARE_OP
+	IMPORT_NAME
+	IMPORT_FROM
+	JUMP_FORWARD
+	JUMP_IF_FALSE_OR_POP
+	JUMP_IF_TRUE_OR_POP
+	JUMP_ABSOLUTE
+	POP_JUMP_IF_FALSE
+	POP_JUMP_IF_TRUE
+	LOAD_GLOBAL
+	CONTINUE_LOOP
+	SETUP_LOOP
+	SETUP_EXCEPT
+	SETUP_FINALLY
+	LOAD_FAST
+	STORE_FAST
+	DELETE_FAST
+	RAISE_VARARGS
+	CALL_FUNCTION
+	MAKE_FUNCTION
+	BUILD_SLICE
+	MAKE_CLOSURE
+	LOAD_CLOSURE
+	LOAD_DEREF
+	STORE_DEREF
+	DELETE_DEREF
+	CALL_FUNCTION_VAR
+	CALL_FUNCTION_KW
+	CALL_FUNCTION_VAR_KW
+	SETUP_WITH
+	EXTENDED_ARG
+	LIST_APPEND
+	SET_ADD
+	MAP_ADD
+	LOAD_CLASSDEREF
+	BUILD_LIST_UNPACK
+	BUILD_MAP_UNPACK
+	BUILD_MAP_UNPACK_WITH_CALL
+	BUILD_TUPLE_UNPACK
+	BUILD_SET_UNPACK
+	SETUP_ASYNC_WITH
+
+	/* EXCEPT_HANDLER is a special, implicit block type which is created when
+	   entering an except handler. It is not an opcode but we define it here
+	   as we want it to be available to both frameobject.c and ceval.c, while
+	   remaining private.*/
+	EXCEPT_HANDLER = 257
+)

bytecode/opname.go

@@ -0,0 +1,120 @@
+package bytecode
+
+var Opnames = [...]string{
+	POP_TOP:                    "POP_TOP",
+	ROT_TWO:                    "ROT_TWO",
+	ROT_THREE:                  "ROT_THREE",
+	DUP_TOP:                    "DUP_TOP",
+	DUP_TOP_TWO:                "DUP_TOP_TWO",
+	NOP:                        "NOP",
+	UNARY_POSITIVE:             "UNARY_POSITIVE",
+	UNARY_NEGATIVE:             "UNARY_NEGATIVE",
+	UNARY_NOT:                  "UNARY_NOT",
+	UNARY_INVERT:               "UNARY_INVERT",
+	BINARY_MATRIX_MULTIPLY:     "BINARY_MATRIX_MULTIPLY",
+	INPLACE_MATRIX_MULTIPLY:    "INPLACE_MATRIX_MULTIPLY",
+	BINARY_POWER:               "BINARY_POWER",
+	BINARY_MULTIPLY:            "BINARY_MULTIPLY",
+	BINARY_MODULO:              "BINARY_MODULO",
+	BINARY_ADD:                 "BINARY_ADD",
+	BINARY_SUBTRACT:            "BINARY_SUBTRACT",
+	BINARY_SUBSCR:              "BINARY_SUBSCR",
+	BINARY_FLOOR_DIVIDE:        "BINARY_FLOOR_DIVIDE",
+	BINARY_TRUE_DIVIDE:         "BINARY_TRUE_DIVIDE",
+	INPLACE_FLOOR_DIVIDE:       "INPLACE_FLOOR_DIVIDE",
+	INPLACE_TRUE_DIVIDE:        "INPLACE_TRUE_DIVIDE",
+	GET_AITER:                  "GET_AITER",
+	GET_ANEXT:                  "GET_ANEXT",
+	BEFORE_ASYNC_WITH:          "BEFORE_ASYNC_WITH",
+	INPLACE_ADD:                "INPLACE_ADD",
+	INPLACE_SUBTRACT:           "INPLACE_SUBTRACT",
+	INPLACE_MULTIPLY:           "INPLACE_MULTIPLY",
+	INPLACE_MODULO:             "INPLACE_MODULO",
+	STORE_SUBSCR:               "STORE_SUBSCR",
+	DELETE_SUBSCR:              "DELETE_SUBSCR",
+	BINARY_LSHIFT:              "BINARY_LSHIFT",
+	BINARY_RSHIFT:              "BINARY_RSHIFT",
+	BINARY_AND:                 "BINARY_AND",
+	BINARY_XOR:                 "BINARY_XOR",
+	BINARY_OR:                  "BINARY_OR",
+	INPLACE_POWER:              "INPLACE_POWER",
+	GET_ITER:                   "GET_ITER",
+	GET_YIELD_FROM_ITER:        "GET_YIELD_FROM_ITER",
+	PRINT_EXPR:                 "PRINT_EXPR",
+	LOAD_BUILD_CLASS:           "LOAD_BUILD_CLASS",
+	YIELD_FROM:                 "YIELD_FROM",
+	GET_AWAITABLE:              "GET_AWAITABLE",
+	INPLACE_LSHIFT:             "INPLACE_LSHIFT",
+	INPLACE_RSHIFT:             "INPLACE_RSHIFT",
+	INPLACE_AND:                "INPLACE_AND",
+	INPLACE_XOR:                "INPLACE_XOR",
+	INPLACE_OR:                 "INPLACE_OR",
+	BREAK_LOOP:                 "BREAK_LOOP",
+	WITH_CLEANUP_START:         "WITH_CLEANUP_START",
+	WITH_CLEANUP_FINISH:        "WITH_CLEANUP_FINISH",
+	RETURN_VALUE:               "RETURN_VALUE",
+	IMPORT_STAR:                "IMPORT_STAR",
+	YIELD_VALUE:                "YIELD_VALUE",
+	POP_BLOCK:                  "POP_BLOCK",
+	END_FINALLY:                "END_FINALLY",
+	POP_EXCEPT:                 "POP_EXCEPT",
+	HAVE_ARGUMENT:              "HAVE_ARGUMENT",
+	STORE_NAME:                 "STORE_NAME",
+	DELETE_NAME:                "DELETE_NAME",
+	UNPACK_SEQUENCE:            "UNPACK_SEQUENCE",
+	FOR_ITER:                   "FOR_ITER",
+	UNPACK_EX:                  "UNPACK_EX",
+	STORE_ATTR:                 "STORE_ATTR",
+	DELETE_ATTR:                "DELETE_ATTR",
+	STORE_GLOBAL:               "STORE_GLOBAL",
+	DELETE_GLOBAL:              "DELETE_GLOBAL",
+	LOAD_CONST:                 "LOAD_CONST",
+	LOAD_NAME:                  "LOAD_NAME",
+	BUILD_TUPLE:                "BUILD_TUPLE",
+	BUILD_LIST:                 "BUILD_LIST",
+	BUILD_SET:                  "BUILD_SET",
+	BUILD_MAP:                  "BUILD_MAP",
+	LOAD_ATTR:                  "LOAD_ATTR",
+	COMPARE_OP:                 "COMPARE_OP",
+	IMPORT_NAME:                "IMPORT_NAME",
+	IMPORT_FROM:                "IMPORT_FROM",
+	JUMP_FORWARD:               "JUMP_FORWARD",
+	JUMP_IF_FALSE_OR_POP:       "JUMP_IF_FALSE_OR_POP",
+	JUMP_IF_TRUE_OR_POP:        "JUMP_IF_TRUE_OR_POP",
+	JUMP_ABSOLUTE:              "JUMP_ABSOLUTE",
+	POP_JUMP_IF_FALSE:          "POP_JUMP_IF_FALSE",
+	POP_JUMP_IF_TRUE:           "POP_JUMP_IF_TRUE",
+	LOAD_GLOBAL:                "LOAD_GLOBAL",
+	CONTINUE_LOOP:              "CONTINUE_LOOP",
+	SETUP_LOOP:                 "SETUP_LOOP",
+	SETUP_EXCEPT:               "SETUP_EXCEPT",
+	SETUP_FINALLY:              "SETUP_FINALLY",
+	LOAD_FAST:                  "LOAD_FAST",
+	STORE_FAST:                 "STORE_FAST",
+	DELETE_FAST:                "DELETE_FAST",
+	RAISE_VARARGS:              "RAISE_VARARGS",
+	CALL_FUNCTION:              "CALL_FUNCTION",
+	MAKE_FUNCTION:              "MAKE_FUNCTION",
+	BUILD_SLICE:                "BUILD_SLICE",
+	MAKE_CLOSURE:               "MAKE_CLOSURE",
+	LOAD_CLOSURE:               "LOAD_CLOSURE",
+	LOAD_DEREF:                 "LOAD_DEREF",
+	STORE_DEREF:                "STORE_DEREF",
+	DELETE_DEREF:               "DELETE_DEREF",
+	CALL_FUNCTION_VAR:          "CALL_FUNCTION_VAR",
+	CALL_FUNCTION_KW:           "CALL_FUNCTION_KW",
+	CALL_FUNCTION_VAR_KW:       "CALL_FUNCTION_VAR_KW",
+	SETUP_WITH:                 "SETUP_WITH",
+	EXTENDED_ARG:               "EXTENDED_ARG",
+	LIST_APPEND:                "LIST_APPEND",
+	SET_ADD:                    "SET_ADD",
+	MAP_ADD:                    "MAP_ADD",
+	LOAD_CLASSDEREF:            "LOAD_CLASSDEREF",
+	BUILD_LIST_UNPACK:          "BUILD_LIST_UNPACK",
+	BUILD_MAP_UNPACK:           "BUILD_MAP_UNPACK",
+	BUILD_MAP_UNPACK_WITH_CALL: "BUILD_MAP_UNPACK_WITH_CALL",
+	BUILD_TUPLE_UNPACK:         "BUILD_TUPLE_UNPACK",
+	BUILD_SET_UNPACK:           "BUILD_SET_UNPACK",
+	SETUP_ASYNC_WITH:           "SETUP_ASYNC_WITH",
+	EXCEPT_HANDLER:             "EXCEPT_HANDLER",
+}