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-\section{\module{dis} ---
- Disassembler for Python byte code}
-
-\declaremodule{standard}{dis}
-\modulesynopsis{Disassembler for Python byte code.}
-
-
-The \module{dis} module supports the analysis of Python byte code by
-disassembling it. Since there is no Python assembler, this module
-defines the Python assembly language. The Python byte code which
-this module takes as an input is defined in the file
-\file{Include/opcode.h} and used by the compiler and the interpreter.
-
-Example: Given the function \function{myfunc}:
-
-\begin{verbatim}
-def myfunc(alist):
- return len(alist)
-\end{verbatim}
-
-the following command can be used to get the disassembly of
-\function{myfunc()}:
-
-\begin{verbatim}
->>> dis.dis(myfunc)
- 2 0 LOAD_GLOBAL 0 (len)
- 3 LOAD_FAST 0 (alist)
- 6 CALL_FUNCTION 1
- 9 RETURN_VALUE
-\end{verbatim}
-
-(The ``2'' is a line number).
-
-The \module{dis} module defines the following functions and constants:
-
-\begin{funcdesc}{dis}{\optional{bytesource}}
-Disassemble the \var{bytesource} object. \var{bytesource} can denote
-either a module, a class, a method, a function, or a code object.
-For a module, it disassembles all functions. For a class,
-it disassembles all methods. For a single code sequence, it prints
-one line per byte code instruction. If no object is provided, it
-disassembles the last traceback.
-\end{funcdesc}
-
-\begin{funcdesc}{distb}{\optional{tb}}
-Disassembles the top-of-stack function of a traceback, using the last
-traceback if none was passed. The instruction causing the exception
-is indicated.
-\end{funcdesc}
-
-\begin{funcdesc}{disassemble}{code\optional{, lasti}}
-Disassembles a code object, indicating the last instruction if \var{lasti}
-was provided. The output is divided in the following columns:
-
-\begin{enumerate}
-\item the line number, for the first instruction of each line
-\item the current instruction, indicated as \samp{-->},
-\item a labelled instruction, indicated with \samp{>>},
-\item the address of the instruction,
-\item the operation code name,
-\item operation parameters, and
-\item interpretation of the parameters in parentheses.
-\end{enumerate}
-
-The parameter interpretation recognizes local and global
-variable names, constant values, branch targets, and compare
-operators.
-\end{funcdesc}
-
-\begin{funcdesc}{disco}{code\optional{, lasti}}
-A synonym for disassemble. It is more convenient to type, and kept
-for compatibility with earlier Python releases.
-\end{funcdesc}
-
-\begin{datadesc}{opname}
-Sequence of operation names, indexable using the byte code.
-\end{datadesc}
-
-\begin{datadesc}{opmap}
-Dictionary mapping byte codes to operation names.
-\end{datadesc}
-
-\begin{datadesc}{cmp_op}
-Sequence of all compare operation names.
-\end{datadesc}
-
-\begin{datadesc}{hasconst}
-Sequence of byte codes that have a constant parameter.
-\end{datadesc}
-
-\begin{datadesc}{hasfree}
-Sequence of byte codes that access a free variable.
-\end{datadesc}
-
-\begin{datadesc}{hasname}
-Sequence of byte codes that access an attribute by name.
-\end{datadesc}
-
-\begin{datadesc}{hasjrel}
-Sequence of byte codes that have a relative jump target.
-\end{datadesc}
-
-\begin{datadesc}{hasjabs}
-Sequence of byte codes that have an absolute jump target.
-\end{datadesc}
-
-\begin{datadesc}{haslocal}
-Sequence of byte codes that access a local variable.
-\end{datadesc}
-
-\begin{datadesc}{hascompare}
-Sequence of byte codes of Boolean operations.
-\end{datadesc}
-
-\subsection{Python Byte Code Instructions}
-\label{bytecodes}
-
-The Python compiler currently generates the following byte code
-instructions.
-
-\setindexsubitem{(byte code insns)}
-
-\begin{opcodedesc}{STOP_CODE}{}
-Indicates end-of-code to the compiler, not used by the interpreter.
-\end{opcodedesc}
-
-\begin{opcodedesc}{NOP}{}
-Do nothing code. Used as a placeholder by the bytecode optimizer.
-\end{opcodedesc}
-
-\begin{opcodedesc}{POP_TOP}{}
-Removes the top-of-stack (TOS) item.
-\end{opcodedesc}
-
-\begin{opcodedesc}{ROT_TWO}{}
-Swaps the two top-most stack items.
-\end{opcodedesc}
-
-\begin{opcodedesc}{ROT_THREE}{}
-Lifts second and third stack item one position up, moves top down
-to position three.
-\end{opcodedesc}
-
-\begin{opcodedesc}{ROT_FOUR}{}
-Lifts second, third and forth stack item one position up, moves top down to
-position four.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DUP_TOP}{}
-Duplicates the reference on top of the stack.
-\end{opcodedesc}
-
-Unary Operations take the top of the stack, apply the operation, and
-push the result back on the stack.
-
-\begin{opcodedesc}{UNARY_POSITIVE}{}
-Implements \code{TOS = +TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{UNARY_NEGATIVE}{}
-Implements \code{TOS = -TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{UNARY_NOT}{}
-Implements \code{TOS = not TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{UNARY_INVERT}{}
-Implements \code{TOS = \~{}TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{GET_ITER}{}
-Implements \code{TOS = iter(TOS)}.
-\end{opcodedesc}
-
-Binary operations remove the top of the stack (TOS) and the second top-most
-stack item (TOS1) from the stack. They perform the operation, and put the
-result back on the stack.
-
-\begin{opcodedesc}{BINARY_POWER}{}
-Implements \code{TOS = TOS1 ** TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_MULTIPLY}{}
-Implements \code{TOS = TOS1 * TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_FLOOR_DIVIDE}{}
-Implements \code{TOS = TOS1 // TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_TRUE_DIVIDE}{}
-Implements \code{TOS = TOS1 / TOS} when
-\code{from __future__ import division} is in effect.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_MODULO}{}
-Implements \code{TOS = TOS1 \%{} TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_ADD}{}
-Implements \code{TOS = TOS1 + TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_SUBTRACT}{}
-Implements \code{TOS = TOS1 - TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_SUBSCR}{}
-Implements \code{TOS = TOS1[TOS]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_LSHIFT}{}
-Implements \code{TOS = TOS1 <\code{}< TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_RSHIFT}{}
-Implements \code{TOS = TOS1 >\code{}> TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_AND}{}
-Implements \code{TOS = TOS1 \&\ TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_XOR}{}
-Implements \code{TOS = TOS1 \^\ TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BINARY_OR}{}
-Implements \code{TOS = TOS1 | TOS}.
-\end{opcodedesc}
-
-In-place operations are like binary operations, in that they remove TOS and
-TOS1, and push the result back on the stack, but the operation is done
-in-place when TOS1 supports it, and the resulting TOS may be (but does not
-have to be) the original TOS1.
-
-\begin{opcodedesc}{INPLACE_POWER}{}
-Implements in-place \code{TOS = TOS1 ** TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_MULTIPLY}{}
-Implements in-place \code{TOS = TOS1 * TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_FLOOR_DIVIDE}{}
-Implements in-place \code{TOS = TOS1 // TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_TRUE_DIVIDE}{}
-Implements in-place \code{TOS = TOS1 / TOS} when
-\code{from __future__ import division} is in effect.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_MODULO}{}
-Implements in-place \code{TOS = TOS1 \%{} TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_ADD}{}
-Implements in-place \code{TOS = TOS1 + TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_SUBTRACT}{}
-Implements in-place \code{TOS = TOS1 - TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_LSHIFT}{}
-Implements in-place \code{TOS = TOS1 <\code{}< TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_RSHIFT}{}
-Implements in-place \code{TOS = TOS1 >\code{}> TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_AND}{}
-Implements in-place \code{TOS = TOS1 \&\ TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_XOR}{}
-Implements in-place \code{TOS = TOS1 \^\ TOS}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{INPLACE_OR}{}
-Implements in-place \code{TOS = TOS1 | TOS}.
-\end{opcodedesc}
-
-The slice opcodes take up to three parameters.
-
-\begin{opcodedesc}{SLICE+0}{}
-Implements \code{TOS = TOS[:]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{SLICE+1}{}
-Implements \code{TOS = TOS1[TOS:]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{SLICE+2}{}
-Implements \code{TOS = TOS1[:TOS]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{SLICE+3}{}
-Implements \code{TOS = TOS2[TOS1:TOS]}.
-\end{opcodedesc}
-
-Slice assignment needs even an additional parameter. As any statement,
-they put nothing on the stack.
-
-\begin{opcodedesc}{STORE_SLICE+0}{}
-Implements \code{TOS[:] = TOS1}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{STORE_SLICE+1}{}
-Implements \code{TOS1[TOS:] = TOS2}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{STORE_SLICE+2}{}
-Implements \code{TOS1[:TOS] = TOS2}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{STORE_SLICE+3}{}
-Implements \code{TOS2[TOS1:TOS] = TOS3}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DELETE_SLICE+0}{}
-Implements \code{del TOS[:]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DELETE_SLICE+1}{}
-Implements \code{del TOS1[TOS:]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DELETE_SLICE+2}{}
-Implements \code{del TOS1[:TOS]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DELETE_SLICE+3}{}
-Implements \code{del TOS2[TOS1:TOS]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{STORE_SUBSCR}{}
-Implements \code{TOS1[TOS] = TOS2}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DELETE_SUBSCR}{}
-Implements \code{del TOS1[TOS]}.
-\end{opcodedesc}
-
-Miscellaneous opcodes.
-
-\begin{opcodedesc}{PRINT_EXPR}{}
-Implements the expression statement for the interactive mode. TOS is
-removed from the stack and printed. In non-interactive mode, an
-expression statement is terminated with \code{POP_STACK}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BREAK_LOOP}{}
-Terminates a loop due to a \keyword{break} statement.
-\end{opcodedesc}
-
-\begin{opcodedesc}{CONTINUE_LOOP}{target}
-Continues a loop due to a \keyword{continue} statement. \var{target}
-is the address to jump to (which should be a \code{FOR_ITER}
-instruction).
-\end{opcodedesc}
-
-\begin{opcodedesc}{SET_ADD}{}
-Calls \code{set.add(TOS1, TOS)}. Used to implement set comprehensions.
-\end{opcodedesc}
-
-\begin{opcodedesc}{LIST_APPEND}{}
-Calls \code{list.append(TOS1, TOS)}. Used to implement list comprehensions.
-\end{opcodedesc}
-
-\begin{opcodedesc}{LOAD_LOCALS}{}
-Pushes a reference to the locals of the current scope on the stack.
-This is used in the code for a class definition: After the class body
-is evaluated, the locals are passed to the class definition.
-\end{opcodedesc}
-
-\begin{opcodedesc}{RETURN_VALUE}{}
-Returns with TOS to the caller of the function.
-\end{opcodedesc}
-
-\begin{opcodedesc}{YIELD_VALUE}{}
-Pops \code{TOS} and yields it from a generator.
-\end{opcodedesc}
-
-\begin{opcodedesc}{IMPORT_STAR}{}
-Loads all symbols not starting with \character{_} directly from the module TOS
-to the local namespace. The module is popped after loading all names.
-This opcode implements \code{from module import *}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{POP_BLOCK}{}
-Removes one block from the block stack. Per frame, there is a
-stack of blocks, denoting nested loops, try statements, and such.
-\end{opcodedesc}
-
-\begin{opcodedesc}{END_FINALLY}{}
-Terminates a \keyword{finally} clause. The interpreter recalls
-whether the exception has to be re-raised, or whether the function
-returns, and continues with the outer-next block.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BUILD_CLASS}{}
-Creates a new class object. TOS is the methods dictionary, TOS1
-the tuple of the names of the base classes, and TOS2 the class name.
-\end{opcodedesc}
-
-All of the following opcodes expect arguments. An argument is two
-bytes, with the more significant byte last.
-
-\begin{opcodedesc}{STORE_NAME}{namei}
-Implements \code{name = TOS}. \var{namei} is the index of \var{name}
-in the attribute \member{co_names} of the code object.
-The compiler tries to use \code{STORE_LOCAL} or \code{STORE_GLOBAL}
-if possible.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DELETE_NAME}{namei}
-Implements \code{del name}, where \var{namei} is the index into
-\member{co_names} attribute of the code object.
-\end{opcodedesc}
-
-\begin{opcodedesc}{UNPACK_SEQUENCE}{count}
-Unpacks TOS into \var{count} individual values, which are put onto
-the stack right-to-left.
-\end{opcodedesc}
-
-%\begin{opcodedesc}{UNPACK_LIST}{count}
-%This opcode is obsolete.
-%\end{opcodedesc}
-
-%\begin{opcodedesc}{UNPACK_ARG}{count}
-%This opcode is obsolete.
-%\end{opcodedesc}
-
-\begin{opcodedesc}{DUP_TOPX}{count}
-Duplicate \var{count} items, keeping them in the same order. Due to
-implementation limits, \var{count} should be between 1 and 5 inclusive.
-\end{opcodedesc}
-
-\begin{opcodedesc}{STORE_ATTR}{namei}
-Implements \code{TOS.name = TOS1}, where \var{namei} is the index
-of name in \member{co_names}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DELETE_ATTR}{namei}
-Implements \code{del TOS.name}, using \var{namei} as index into
-\member{co_names}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{STORE_GLOBAL}{namei}
-Works as \code{STORE_NAME}, but stores the name as a global.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DELETE_GLOBAL}{namei}
-Works as \code{DELETE_NAME}, but deletes a global name.
-\end{opcodedesc}
-
-%\begin{opcodedesc}{UNPACK_VARARG}{argc}
-%This opcode is obsolete.
-%\end{opcodedesc}
-
-\begin{opcodedesc}{LOAD_CONST}{consti}
-Pushes \samp{co_consts[\var{consti}]} onto the stack.
-\end{opcodedesc}
-
-\begin{opcodedesc}{LOAD_NAME}{namei}
-Pushes the value associated with \samp{co_names[\var{namei}]} onto the stack.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BUILD_TUPLE}{count}
-Creates a tuple consuming \var{count} items from the stack, and pushes
-the resulting tuple onto the stack.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BUILD_LIST}{count}
-Works as \code{BUILD_TUPLE}, but creates a list.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BUILD_SET}{count}
-Works as \code{BUILD_TUPLE}, but creates a set.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BUILD_MAP}{zero}
-Pushes a new empty dictionary object onto the stack. The argument is
-ignored and set to zero by the compiler.
-\end{opcodedesc}
-
-\begin{opcodedesc}{LOAD_ATTR}{namei}
-Replaces TOS with \code{getattr(TOS, co_names[\var{namei}])}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{COMPARE_OP}{opname}
-Performs a Boolean operation. The operation name can be found
-in \code{cmp_op[\var{opname}]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{IMPORT_NAME}{namei}
-Imports the module \code{co_names[\var{namei}]}. The module object is
-pushed onto the stack. The current namespace is not affected: for a
-proper import statement, a subsequent \code{STORE_FAST} instruction
-modifies the namespace.
-\end{opcodedesc}
-
-\begin{opcodedesc}{IMPORT_FROM}{namei}
-Loads the attribute \code{co_names[\var{namei}]} from the module found in
-TOS. The resulting object is pushed onto the stack, to be subsequently
-stored by a \code{STORE_FAST} instruction.
-\end{opcodedesc}
-
-\begin{opcodedesc}{JUMP_FORWARD}{delta}
-Increments byte code counter by \var{delta}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{JUMP_IF_TRUE}{delta}
-If TOS is true, increment the byte code counter by \var{delta}. TOS is
-left on the stack.
-\end{opcodedesc}
-
-\begin{opcodedesc}{JUMP_IF_FALSE}{delta}
-If TOS is false, increment the byte code counter by \var{delta}. TOS
-is not changed.
-\end{opcodedesc}
-
-\begin{opcodedesc}{JUMP_ABSOLUTE}{target}
-Set byte code counter to \var{target}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{FOR_ITER}{delta}
- \code{TOS} is an iterator. Call its \method{__next__()} method. If this
- yields a new value, push it on the stack (leaving the iterator below it). If
- the iterator indicates it is exhausted \code{TOS} is popped, and the byte code
- counter is incremented by \var{delta}.
-\end{opcodedesc}
-
-%\begin{opcodedesc}{FOR_LOOP}{delta}
-%This opcode is obsolete.
-%\end{opcodedesc}
-
-%\begin{opcodedesc}{LOAD_LOCAL}{namei}
-%This opcode is obsolete.
-%\end{opcodedesc}
-
-\begin{opcodedesc}{LOAD_GLOBAL}{namei}
-Loads the global named \code{co_names[\var{namei}]} onto the stack.
-\end{opcodedesc}
-
-%\begin{opcodedesc}{SET_FUNC_ARGS}{argc}
-%This opcode is obsolete.
-%\end{opcodedesc}
-
-\begin{opcodedesc}{SETUP_LOOP}{delta}
-Pushes a block for a loop onto the block stack. The block spans
-from the current instruction with a size of \var{delta} bytes.
-\end{opcodedesc}
-
-\begin{opcodedesc}{SETUP_EXCEPT}{delta}
-Pushes a try block from a try-except clause onto the block stack.
-\var{delta} points to the first except block.
-\end{opcodedesc}
-
-\begin{opcodedesc}{SETUP_FINALLY}{delta}
-Pushes a try block from a try-except clause onto the block stack.
-\var{delta} points to the finally block.
-\end{opcodedesc}
-
-\begin{opcodedesc}{LOAD_FAST}{var_num}
-Pushes a reference to the local \code{co_varnames[\var{var_num}]} onto
-the stack.
-\end{opcodedesc}
-
-\begin{opcodedesc}{STORE_FAST}{var_num}
-Stores TOS into the local \code{co_varnames[\var{var_num}]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{DELETE_FAST}{var_num}
-Deletes local \code{co_varnames[\var{var_num}]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{LOAD_CLOSURE}{i}
-Pushes a reference to the cell contained in slot \var{i} of the
-cell and free variable storage. The name of the variable is
-\code{co_cellvars[\var{i}]} if \var{i} is less than the length of
-\var{co_cellvars}. Otherwise it is
-\code{co_freevars[\var{i} - len(co_cellvars)]}.
-\end{opcodedesc}
-
-\begin{opcodedesc}{LOAD_DEREF}{i}
-Loads the cell contained in slot \var{i} of the cell and free variable
-storage. Pushes a reference to the object the cell contains on the
-stack.
-\end{opcodedesc}
-
-\begin{opcodedesc}{STORE_DEREF}{i}
-Stores TOS into the cell contained in slot \var{i} of the cell and
-free variable storage.
-\end{opcodedesc}
-
-\begin{opcodedesc}{SET_LINENO}{lineno}
-This opcode is obsolete.
-\end{opcodedesc}
-
-\begin{opcodedesc}{RAISE_VARARGS}{argc}
-Raises an exception. \var{argc} indicates the number of parameters
-to the raise statement, ranging from 0 to 3. The handler will find
-the traceback as TOS2, the parameter as TOS1, and the exception
-as TOS.
-\end{opcodedesc}
-
-\begin{opcodedesc}{CALL_FUNCTION}{argc}
-Calls a function. The low byte of \var{argc} indicates the number of
-positional parameters, the high byte the number of keyword parameters.
-On the stack, the opcode finds the keyword parameters first. For each
-keyword argument, the value is on top of the key. Below the keyword
-parameters, the positional parameters are on the stack, with the
-right-most parameter on top. Below the parameters, the function object
-to call is on the stack.
-\end{opcodedesc}
-
-\begin{opcodedesc}{MAKE_FUNCTION}{argc}
-Pushes a new function object on the stack. TOS is the code associated
-with the function. The function object is defined to have \var{argc}
-default parameters, which are found below TOS.
-\end{opcodedesc}
-
-\begin{opcodedesc}{MAKE_CLOSURE}{argc}
-Creates a new function object, sets its \var{__closure__} slot, and
-pushes it on the stack. TOS is the code associated with the function.
-If the code object has N free variables, the next N items on the stack
-are the cells for these variables. The function also has \var{argc}
-default parameters, where are found before the cells.
-\end{opcodedesc}
-
-\begin{opcodedesc}{BUILD_SLICE}{argc}
-Pushes a slice object on the stack. \var{argc} must be 2 or 3. If it
-is 2, \code{slice(TOS1, TOS)} is pushed; if it is 3,
-\code{slice(TOS2, TOS1, TOS)} is pushed.
-See the \code{slice()}\bifuncindex{slice} built-in function for more
-information.
-\end{opcodedesc}
-
-\begin{opcodedesc}{EXTENDED_ARG}{ext}
-Prefixes any opcode which has an argument too big to fit into the
-default two bytes. \var{ext} holds two additional bytes which, taken
-together with the subsequent opcode's argument, comprise a four-byte
-argument, \var{ext} being the two most-significant bytes.
-\end{opcodedesc}
-
-\begin{opcodedesc}{CALL_FUNCTION_VAR}{argc}
-Calls a function. \var{argc} is interpreted as in \code{CALL_FUNCTION}.
-The top element on the stack contains the variable argument list, followed
-by keyword and positional arguments.
-\end{opcodedesc}
-
-\begin{opcodedesc}{CALL_FUNCTION_KW}{argc}
-Calls a function. \var{argc} is interpreted as in \code{CALL_FUNCTION}.
-The top element on the stack contains the keyword arguments dictionary,
-followed by explicit keyword and positional arguments.
-\end{opcodedesc}
-
-\begin{opcodedesc}{CALL_FUNCTION_VAR_KW}{argc}
-Calls a function. \var{argc} is interpreted as in
-\code{CALL_FUNCTION}. The top element on the stack contains the
-keyword arguments dictionary, followed by the variable-arguments
-tuple, followed by explicit keyword and positional arguments.
-\end{opcodedesc}
-
-\begin{opcodedesc}{HAVE_ARGUMENT}{}
-This is not really an opcode. It identifies the dividing line between
-opcodes which don't take arguments \code{< HAVE_ARGUMENT} and those which do
-\code{>= HAVE_ARGUMENT}.
-\end{opcodedesc}