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Allow multiple context managers in one with statement, as proposed

Browse source 
in http://codereview.appspot.com/53094 and accepted by Guido.

The construct is transformed into multiple With AST nodes so that
there should be no problems with the semantics.
This commit is contained in:
Georg Brandl 2009-05-25 21:02:56 +00:00
parent 04516611e7
commit 944f684ce6
11 changed files with 216 additions and 71 deletions
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39
Python/graminit.c
View file

@ -901,42 +901,43 @@ static arc arcs_41_0[1] = {
{100, 1},
};
static arc arcs_41_1[1] = {
{28, 2},
{101, 2},
};
static arc arcs_41_2[2] = {
{101, 3},
{23, 4},
{29, 1},
{23, 3},
};
static arc arcs_41_3[1] = {
{23, 4},
{24, 4},
};
static arc arcs_41_4[1] = {
{24, 5},
{0, 4},
};
static arc arcs_41_5[1] = {
{0, 5},
};
static state states_41[6] = {
static state states_41[5] = {
{1, arcs_41_0},
{1, arcs_41_1},
{2, arcs_41_2},
{1, arcs_41_3},
{1, arcs_41_4},
{1, arcs_41_5},
};
static arc arcs_42_0[1] = {
{80, 1},
{28, 1},
};
static arc arcs_42_1[1] = {
{84, 2},
static arc arcs_42_1[2] = {
{80, 2},
{0, 1},
};
static arc arcs_42_2[1] = {
{0, 2},
{84, 3},
};
static state states_42[3] = {
static arc arcs_42_3[1] = {
{0, 3},
};
static state states_42[4] = {
{1, arcs_42_0},
{1, arcs_42_1},
{2, arcs_42_1},
{1, arcs_42_2},
{1, arcs_42_3},
};
static arc arcs_43_0[1] = {
{102, 1},
@ -1877,10 +1878,10 @@ static dfa dfas[85] = {
"\000\000\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\000\000"},
{296, "try_stmt", 0, 13, states_40,
"\000\000\000\000\000\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\000\000"},
{297, "with_stmt", 0, 6, states_41,
{297, "with_stmt", 0, 5, states_41,
"\000\000\000\000\000\000\000\000\000\000\000\000\020\000\000\000\000\000\000\000\000\000"},
{298, "with_var", 0, 3, states_42,
"\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\000\000\000\000"},
{298, "with_item", 0, 4, states_42,
"\000\040\040\000\000\000\000\000\000\000\000\000\000\040\010\000\200\041\044\015\000\000"},
{299, "except_clause", 0, 5, states_43,
"\000\000\000\000\000\000\000\000\000\000\000\000\100\000\000\000\000\000\000\000\000\000"},
{300, "suite", 0, 5, states_44,