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Batuhan Osman TASKAYA
cpython
Commits
dff21a6b
Kaydet (Commit)
dff21a6b
authored
Nis 03, 1998
tarafından
Fred Drake
Dosyalara gözat
Seçenekler
Dosyalara Gözat
İndir
Eposta Yamaları
Sade Fark
Minor nits.
Indent code sample to use 4-space indents.
üst
16a19c46
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libdis.tex
Doc/lib/libdis.tex
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Doc/libdis.tex
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Doc/lib/libdis.tex
Dosyayı görüntüle @
dff21a6b
\section
{
Standard Module
\
sectcod
e
{
dis
}}
\section
{
Standard Module
\
modul
e
{
dis
}}
\stmodindex
{
dis
}
\stmodindex
{
dis
}
\label
{
module-dis
}
\label
{
module-dis
}
The
\
cod
e
{
dis
}
module supports the analysis of Python byte code by
The
\
modul
e
{
dis
}
module supports the analysis of Python byte code by
disassembling it. Since there is no Python assembler, this module
disassembling it. Since there is no Python assembler, this module
defines the Python assembly language. The Python byte code which
defines the Python assembly language. The Python byte code which
this module takes as an input is defined in the file
this module takes as an input is defined in the file
\file
{
Include/opcode.h
}
and used by the compiler and the interpreter.
\file
{
Include/opcode.h
}
and used by the compiler and the interpreter.
Example: Given the function
myfunc
Example: Given the function
\function
{
myfunc
}
:
\begin{verbatim}
\begin{verbatim}
def myfunc(alist):
def myfunc(alist):
return len(alist)
return len(alist)
\end{verbatim}
\end{verbatim}
the following command can be used to get the disassembly of
\code
{
myfunc()
}
:
the following command can be used to get the disassembly of
\function
{
myfunc()
}
:
\begin{verbatim}
\begin{verbatim}
>>> dis.dis(myfunc)
>>> dis.dis(myfunc)
...
@@ -31,9 +31,7 @@ the following command can be used to get the disassembly of \code{myfunc()}:
...
@@ -31,9 +31,7 @@ the following command can be used to get the disassembly of \code{myfunc()}:
19 RETURN
_
VALUE
19 RETURN
_
VALUE
\end{verbatim}
\end{verbatim}
The
\code
{
dis
}
module defines the following functions:
The
\module
{
dis
}
module defines the following functions:
\setindexsubitem
{
(in module dis)
}
\begin{funcdesc}
{
dis
}{
\optional
{
bytesource
}}
\begin{funcdesc}
{
dis
}{
\optional
{
bytesource
}}
Disassemble the
\var
{
bytesource
}
object.
\var
{
bytesource
}
can denote
Disassemble the
\var
{
bytesource
}
object.
\var
{
bytesource
}
can denote
...
@@ -53,8 +51,8 @@ is indicated.
...
@@ -53,8 +51,8 @@ is indicated.
Disassembles a code object, indicating the last instruction if
\var
{
lasti
}
Disassembles a code object, indicating the last instruction if
\var
{
lasti
}
was provided. The output is divided in the following columns:
was provided. The output is divided in the following columns:
\begin{itemize}
\begin{itemize}
\item
the current instruction, indicated as
\
code
{
-->
}
,
\item
the current instruction, indicated as
\
samp
{
-->
}
,
\item
a labelled instruction, indicated with
\
code
{
>>
}
,
\item
a labelled instruction, indicated with
\
samp
{
>>
}
,
\item
the address of the instruction,
\item
the address of the instruction,
\item
the operation code name,
\item
the operation code name,
\item
operation parameters, and
\item
operation parameters, and
...
@@ -324,14 +322,14 @@ bytes, with the more significant byte last.
...
@@ -324,14 +322,14 @@ bytes, with the more significant byte last.
\begin{opcodedesc}
{
STORE
_
NAME
}{
namei
}
\begin{opcodedesc}
{
STORE
_
NAME
}{
namei
}
Implements
\code
{
name = TOS
}
.
\var
{
namei
}
is the index of
\var
{
name
}
Implements
\code
{
name = TOS
}
.
\var
{
namei
}
is the index of
\var
{
name
}
in the attribute
\
code
{
co
_
names
}
of the code object.
in the attribute
\
member
{
co
_
names
}
of the code object.
The compiler tries to use
\code
{
STORE
_
LOCAL
}
or
\code
{
STORE
_
GLOBAL
}
The compiler tries to use
\code
{
STORE
_
LOCAL
}
or
\code
{
STORE
_
GLOBAL
}
if possible.
if possible.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
DELETE
_
NAME
}{
namei
}
\begin{opcodedesc}
{
DELETE
_
NAME
}{
namei
}
Implements
\code
{
del name
}
, where
\var
{
namei
}
is the index into
Implements
\code
{
del name
}
, where
\var
{
namei
}
is the index into
\
code
{
co
_
names
}
attribute of the code object.
\
member
{
co
_
names
}
attribute of the code object.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
UNPACK
_
TUPLE
}{
count
}
\begin{opcodedesc}
{
UNPACK
_
TUPLE
}{
count
}
...
@@ -349,12 +347,12 @@ Unpacks TOS into \var{count} individual values.
...
@@ -349,12 +347,12 @@ Unpacks TOS into \var{count} individual values.
\begin{opcodedesc}
{
STORE
_
ATTR
}{
namei
}
\begin{opcodedesc}
{
STORE
_
ATTR
}{
namei
}
Implements
\code
{
TOS.name = TOS1
}
, where
\var
{
namei
}
is the index
Implements
\code
{
TOS.name = TOS1
}
, where
\var
{
namei
}
is the index
of name in
\
code
{
co
_
names
}
.
of name in
\
member
{
co
_
names
}
.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
DELETE
_
ATTR
}{
namei
}
\begin{opcodedesc}
{
DELETE
_
ATTR
}{
namei
}
Implements
\code
{
del TOS.name
}
, using
\var
{
namei
}
as index into
Implements
\code
{
del TOS.name
}
, using
\var
{
namei
}
as index into
\
code
{
co
_
names
}
.
\
member
{
co
_
names
}
.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
STORE
_
GLOBAL
}{
namei
}
\begin{opcodedesc}
{
STORE
_
GLOBAL
}{
namei
}
...
@@ -370,11 +368,11 @@ Works as \code{DELETE_NAME}, but deletes a global name.
...
@@ -370,11 +368,11 @@ Works as \code{DELETE_NAME}, but deletes a global name.
%\end{opcodedesc}
%\end{opcodedesc}
\begin{opcodedesc}
{
LOAD
_
CONST
}{
consti
}
\begin{opcodedesc}
{
LOAD
_
CONST
}{
consti
}
Pushes
\
code
{
co
_
consts[
\var
{
consti
}
]
}
onto the stack.
Pushes
\
samp
{
co
_
consts[
\var
{
consti
}
]
}
onto the stack.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
LOAD
_
NAME
}{
namei
}
\begin{opcodedesc}
{
LOAD
_
NAME
}{
namei
}
Pushes the value associated with
\
code
{
co
_
names[
\var
{
namei
}
]
}
onto the stack.
Pushes the value associated with
\
samp
{
co
_
names[
\var
{
namei
}
]
}
onto the stack.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
BUILD
_
TUPLE
}{
count
}
\begin{opcodedesc}
{
BUILD
_
TUPLE
}{
count
}
...
...
Doc/libdis.tex
Dosyayı görüntüle @
dff21a6b
\section
{
Standard Module
\
sectcod
e
{
dis
}}
\section
{
Standard Module
\
modul
e
{
dis
}}
\stmodindex
{
dis
}
\stmodindex
{
dis
}
\label
{
module-dis
}
\label
{
module-dis
}
The
\
cod
e
{
dis
}
module supports the analysis of Python byte code by
The
\
modul
e
{
dis
}
module supports the analysis of Python byte code by
disassembling it. Since there is no Python assembler, this module
disassembling it. Since there is no Python assembler, this module
defines the Python assembly language. The Python byte code which
defines the Python assembly language. The Python byte code which
this module takes as an input is defined in the file
this module takes as an input is defined in the file
\file
{
Include/opcode.h
}
and used by the compiler and the interpreter.
\file
{
Include/opcode.h
}
and used by the compiler and the interpreter.
Example: Given the function
myfunc
Example: Given the function
\function
{
myfunc
}
:
\begin{verbatim}
\begin{verbatim}
def myfunc(alist):
def myfunc(alist):
return len(alist)
return len(alist)
\end{verbatim}
\end{verbatim}
the following command can be used to get the disassembly of
\code
{
myfunc()
}
:
the following command can be used to get the disassembly of
\function
{
myfunc()
}
:
\begin{verbatim}
\begin{verbatim}
>>> dis.dis(myfunc)
>>> dis.dis(myfunc)
...
@@ -31,9 +31,7 @@ the following command can be used to get the disassembly of \code{myfunc()}:
...
@@ -31,9 +31,7 @@ the following command can be used to get the disassembly of \code{myfunc()}:
19 RETURN
_
VALUE
19 RETURN
_
VALUE
\end{verbatim}
\end{verbatim}
The
\code
{
dis
}
module defines the following functions:
The
\module
{
dis
}
module defines the following functions:
\setindexsubitem
{
(in module dis)
}
\begin{funcdesc}
{
dis
}{
\optional
{
bytesource
}}
\begin{funcdesc}
{
dis
}{
\optional
{
bytesource
}}
Disassemble the
\var
{
bytesource
}
object.
\var
{
bytesource
}
can denote
Disassemble the
\var
{
bytesource
}
object.
\var
{
bytesource
}
can denote
...
@@ -53,8 +51,8 @@ is indicated.
...
@@ -53,8 +51,8 @@ is indicated.
Disassembles a code object, indicating the last instruction if
\var
{
lasti
}
Disassembles a code object, indicating the last instruction if
\var
{
lasti
}
was provided. The output is divided in the following columns:
was provided. The output is divided in the following columns:
\begin{itemize}
\begin{itemize}
\item
the current instruction, indicated as
\
code
{
-->
}
,
\item
the current instruction, indicated as
\
samp
{
-->
}
,
\item
a labelled instruction, indicated with
\
code
{
>>
}
,
\item
a labelled instruction, indicated with
\
samp
{
>>
}
,
\item
the address of the instruction,
\item
the address of the instruction,
\item
the operation code name,
\item
the operation code name,
\item
operation parameters, and
\item
operation parameters, and
...
@@ -324,14 +322,14 @@ bytes, with the more significant byte last.
...
@@ -324,14 +322,14 @@ bytes, with the more significant byte last.
\begin{opcodedesc}
{
STORE
_
NAME
}{
namei
}
\begin{opcodedesc}
{
STORE
_
NAME
}{
namei
}
Implements
\code
{
name = TOS
}
.
\var
{
namei
}
is the index of
\var
{
name
}
Implements
\code
{
name = TOS
}
.
\var
{
namei
}
is the index of
\var
{
name
}
in the attribute
\
code
{
co
_
names
}
of the code object.
in the attribute
\
member
{
co
_
names
}
of the code object.
The compiler tries to use
\code
{
STORE
_
LOCAL
}
or
\code
{
STORE
_
GLOBAL
}
The compiler tries to use
\code
{
STORE
_
LOCAL
}
or
\code
{
STORE
_
GLOBAL
}
if possible.
if possible.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
DELETE
_
NAME
}{
namei
}
\begin{opcodedesc}
{
DELETE
_
NAME
}{
namei
}
Implements
\code
{
del name
}
, where
\var
{
namei
}
is the index into
Implements
\code
{
del name
}
, where
\var
{
namei
}
is the index into
\
code
{
co
_
names
}
attribute of the code object.
\
member
{
co
_
names
}
attribute of the code object.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
UNPACK
_
TUPLE
}{
count
}
\begin{opcodedesc}
{
UNPACK
_
TUPLE
}{
count
}
...
@@ -349,12 +347,12 @@ Unpacks TOS into \var{count} individual values.
...
@@ -349,12 +347,12 @@ Unpacks TOS into \var{count} individual values.
\begin{opcodedesc}
{
STORE
_
ATTR
}{
namei
}
\begin{opcodedesc}
{
STORE
_
ATTR
}{
namei
}
Implements
\code
{
TOS.name = TOS1
}
, where
\var
{
namei
}
is the index
Implements
\code
{
TOS.name = TOS1
}
, where
\var
{
namei
}
is the index
of name in
\
code
{
co
_
names
}
.
of name in
\
member
{
co
_
names
}
.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
DELETE
_
ATTR
}{
namei
}
\begin{opcodedesc}
{
DELETE
_
ATTR
}{
namei
}
Implements
\code
{
del TOS.name
}
, using
\var
{
namei
}
as index into
Implements
\code
{
del TOS.name
}
, using
\var
{
namei
}
as index into
\
code
{
co
_
names
}
.
\
member
{
co
_
names
}
.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
STORE
_
GLOBAL
}{
namei
}
\begin{opcodedesc}
{
STORE
_
GLOBAL
}{
namei
}
...
@@ -370,11 +368,11 @@ Works as \code{DELETE_NAME}, but deletes a global name.
...
@@ -370,11 +368,11 @@ Works as \code{DELETE_NAME}, but deletes a global name.
%\end{opcodedesc}
%\end{opcodedesc}
\begin{opcodedesc}
{
LOAD
_
CONST
}{
consti
}
\begin{opcodedesc}
{
LOAD
_
CONST
}{
consti
}
Pushes
\
code
{
co
_
consts[
\var
{
consti
}
]
}
onto the stack.
Pushes
\
samp
{
co
_
consts[
\var
{
consti
}
]
}
onto the stack.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
LOAD
_
NAME
}{
namei
}
\begin{opcodedesc}
{
LOAD
_
NAME
}{
namei
}
Pushes the value associated with
\
code
{
co
_
names[
\var
{
namei
}
]
}
onto the stack.
Pushes the value associated with
\
samp
{
co
_
names[
\var
{
namei
}
]
}
onto the stack.
\end{opcodedesc}
\end{opcodedesc}
\begin{opcodedesc}
{
BUILD
_
TUPLE
}{
count
}
\begin{opcodedesc}
{
BUILD
_
TUPLE
}{
count
}
...
...
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