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cpython/Parser/listnode.c at print-statement · python-emscripten/cpython · GitHub
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Parser
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listnode.c
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71 lines (63 loc) · 1.67 KB
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cpython
/
Parser
/
listnode.c
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/* List a node on a file */
#include
"Python.h"
#include
"pycore_interp.h"
// PyInterpreterState.parser
#include
"pycore_pystate.h"
// _PyInterpreterState_GET()
#include
"token.h"
#include
"node.h"
/* Forward */
static
void
list1node
(
FILE
*
,
node
*
);
static
void
listnode
(
FILE
*
,
node
*
);
void
PyNode_ListTree
(
node
*
n
)
{
listnode
(
stdout
,
n
);
}
static
void
listnode
(
FILE
*
fp
,
node
*
n
)
{
PyInterpreterState
*
interp
=
_PyInterpreterState_GET
();
interp
->
parser
.
listnode
.
level
=
0
;
interp
->
parser
.
listnode
.
atbol
=
1
;
list1node
(
fp
,
n
);
}
static
void
list1node
(
FILE
*
fp
,
node
*
n
)
{
PyInterpreterState
*
interp
;
if
(
n
==
NULL
)
return
;
if
(
ISNONTERMINAL
(
TYPE
(
n
))) {
int
i
;
for
(
i
=
0
;
i
<
NCH
(
n
);
i
++
)
list1node
(
fp
,
CHILD
(
n
,
i
));
}
else
if
(
ISTERMINAL
(
TYPE
(
n
))) {
interp
=
_PyInterpreterState_GET
();
switch
(
TYPE
(
n
)) {
case
INDENT
:
interp
->
parser
.
listnode
.
level
++
;
break
;
case
DEDENT
:
interp
->
parser
.
listnode
.
level
--
;
break
;
default
:
if
(
interp
->
parser
.
listnode
.
atbol
) {
int
i
;
for
(
i
=
0
;
i
<
interp
->
parser
.
listnode
.
level
;
++
i
)
fprintf
(
fp
,
"\t"
);
interp
->
parser
.
listnode
.
atbol
=
0
;
}
if
(
TYPE
(
n
)
==
NEWLINE
) {
if
(
STR
(
n
)
!=
NULL
)
fprintf
(
fp
,
"%s"
,
STR
(
n
));
fprintf
(
fp
,
"\n"
);
interp
->
parser
.
listnode
.
atbol
=
1
;
}
else
fprintf
(
fp
,
"%s "
,
STR
(
n
));
break
;
}
}
else
fprintf
(
fp
,
"? "
);
}
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