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PEP 343 -- the with-statement.

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This was started by Mike Bland and completed by Guido
(with help from Neal).

This still needs a __future__ statement added;
Thomas is working on Michael's patch for that aspect.

There's a small amount of code cleanup and refactoring
in ast.c, compile.c and ceval.c (I fixed the lltrace
behavior when EXT_POP is used -- however I had to make
lltrace a static global).
This commit is contained in:
Guido van Rossum 2006-02-27 22:32:47 +00:00
parent 5fec904f84
commit c2e20744b2
23 changed files with 1853 additions and 816 deletions
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@ -70,7 +70,7 @@ global_stmt: 'global' NAME (',' NAME)*
exec_stmt: 'exec' expr ['in' test [',' test]]
assert_stmt: 'assert' test [',' test]
compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef
compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | with_stmt | funcdef | classdef
if_stmt: 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]
while_stmt: 'while' test ':' suite ['else' ':' suite]
for_stmt: 'for' exprlist 'in' testlist ':' suite ['else' ':' suite]
@ -79,6 +79,8 @@ try_stmt: ('try' ':' suite
['else' ':' suite]
['finally' ':' suite] |
'finally' ':' suite))
with_stmt: 'with' test [ with_var ] ':' suite
with_var: NAME expr
# NB compile.c makes sure that the default except clause is last
except_clause: 'except' [test [',' test]]
suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT