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Allow classes to be defined with empty parentheses. This means that

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``class C(): pass`` is no longer a syntax error.
This commit is contained in:
Brett Cannon 2005-03-05 06:47:57 +00:00
parent 653a5adcca
commit 409d8f2ebd
4 changed files with 14 additions and 9 deletions
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5
Python/compile.c
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@ -4624,7 +4624,7 @@ com_classdef(struct compiling *c, node *n)
char *name;
REQ(n, classdef);
/* classdef: class NAME ['(' testlist ')'] ':' suite */
/* classdef: class NAME ['(' [testlist] ')'] ':' suite */
if ((v = PyString_InternFromString(STR(CHILD(n, 1)))) == NULL) {
c->c_errors++;
return;
@ -4635,7 +4635,8 @@ com_classdef(struct compiling *c, node *n)
com_push(c, 1);
Py_DECREF(v);
/* Push the tuple of base classes on the stack */
if (TYPE(CHILD(n, 2)) != LPAR) {
if (TYPE(CHILD(n, 2)) != LPAR ||
TYPE(CHILD(n, 3)) == RPAR) {
com_addoparg(c, BUILD_TUPLE, 0);
com_push(c, 1);
}

13
Python/graminit.c
View file

@ -1426,26 +1426,27 @@ static arc arcs_67_2[2] = {
{13, 3},
{21, 4},
};
static arc arcs_67_3[1] = {
static arc arcs_67_3[2] = {
{9, 5},
{15, 6},
};
static arc arcs_67_4[1] = {
{22, 6},
{22, 7},
};
static arc arcs_67_5[1] = {
{15, 7},
{15, 6},
};
static arc arcs_67_6[1] = {
{0, 6},
{21, 4},
};
static arc arcs_67_7[1] = {
{21, 4},
{0, 7},
};
static state states_67[8] = {
{1, arcs_67_0},
{1, arcs_67_1},
{2, arcs_67_2},
{1, arcs_67_3},
{2, arcs_67_3},
{1, arcs_67_4},
{1, arcs_67_5},
{1, arcs_67_6},