diff options
Diffstat (limited to 'Doc/lib/libdis.tex')
| -rw-r--r-- | Doc/lib/libdis.tex | 56 |
1 files changed, 50 insertions, 6 deletions
diff --git a/Doc/lib/libdis.tex b/Doc/lib/libdis.tex index 174d487..38b3464 100644 --- a/Doc/lib/libdis.tex +++ b/Doc/lib/libdis.tex @@ -166,6 +166,10 @@ Implements \code{TOS = `TOS`}. 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. @@ -179,7 +183,17 @@ Implements \code{TOS = TOS1 * TOS}. \end{opcodedesc} \begin{opcodedesc}{BINARY_DIVIDE}{} -Implements \code{TOS = TOS1 / TOS}. +Implements \code{TOS = TOS1 / TOS} when +\code{from __future__ import division} is not in effect. +\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}{} @@ -232,7 +246,17 @@ Implements in-place \code{TOS = TOS1 * TOS}. \end{opcodedesc} \begin{opcodedesc}{INPLACE_DIVIDE}{} -Implements in-place \code{TOS = TOS1 / TOS}. +Implements in-place \code{TOS = TOS1 / TOS} when +\code{from __future__ import division} is not in effect. +\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}{} @@ -328,6 +352,8 @@ Implements \code{TOS1[TOS] = TOS2}. 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 @@ -359,6 +385,12 @@ object on the TOS. This is used by the extended print statement. 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}{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 @@ -369,6 +401,10 @@ is evaluated, the locals are passed to the class definition. 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. @@ -513,11 +549,19 @@ is not changed. 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} -Iterate over a sequence. TOS is the current index, TOS1 the sequence. -First, the next element is computed. If the sequence is exhausted, -increment byte code counter by \var{delta}. Otherwise, push the -sequence, the incremented counter, and the current item onto the stack. +This opcode is obsolete. +%Iterate over a sequence. TOS is the current index, TOS1 the sequence. +%First, the next element is computed. If the sequence is exhausted, +%increment byte code counter by \var{delta}. Otherwise, push the +%sequence, the incremented counter, and the current item onto the stack. \end{opcodedesc} %\begin{opcodedesc}{LOAD_LOCAL}{namei} |