Merged revisions 74359,75081,75088,75213,75278,75303,75427-75428,75734-75736,75865,76059-76061 via svnmerge from
svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3
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r74359 | benjamin.peterson | 2009-08-12 17:23:13 -0500 (Wed, 12 Aug 2009) | 1 line
don't pass the deprecated print_function option
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r75081 | benjamin.peterson | 2009-09-26 22:02:57 -0500 (Sat, 26 Sep 2009) | 1 line
let 2to3 work with extended iterable unpacking
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r75088 | benjamin.peterson | 2009-09-27 11:25:21 -0500 (Sun, 27 Sep 2009) | 1 line
look on the type only for __call__
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r75213 | benjamin.peterson | 2009-10-03 10:09:46 -0500 (Sat, 03 Oct 2009) | 5 lines
revert 75212; it's not correct
People can use isinstance(x, collections.Callable) if they expect objects with
__call__ in their instance dictionaries.
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r75278 | benjamin.peterson | 2009-10-07 16:25:56 -0500 (Wed, 07 Oct 2009) | 4 lines
fix whitespace problems with fix_idioms #3563
Patch by Joe Amenta.
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r75303 | benjamin.peterson | 2009-10-09 16:59:11 -0500 (Fri, 09 Oct 2009) | 1 line
port latin-1 and utf-8 cookie improvements
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r75427 | benjamin.peterson | 2009-10-14 20:35:57 -0500 (Wed, 14 Oct 2009) | 1 line
force floor division
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r75428 | benjamin.peterson | 2009-10-14 20:39:21 -0500 (Wed, 14 Oct 2009) | 1 line
silence -3 warnings about __hash__
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r75734 | benjamin.peterson | 2009-10-26 16:25:53 -0500 (Mon, 26 Oct 2009) | 2 lines
warn on map(None, ...) with more than 2 arguments #7203
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r75735 | benjamin.peterson | 2009-10-26 16:28:25 -0500 (Mon, 26 Oct 2009) | 1 line
remove unused result
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r75736 | benjamin.peterson | 2009-10-26 16:29:02 -0500 (Mon, 26 Oct 2009) | 1 line
using get() here is a bit pointless
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r75865 | benjamin.peterson | 2009-10-27 15:49:00 -0500 (Tue, 27 Oct 2009) | 1 line
explain reason for warning
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r76059 | benjamin.peterson | 2009-11-02 11:43:47 -0600 (Mon, 02 Nov 2009) | 1 line
tuples are no longer used for children
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r76060 | benjamin.peterson | 2009-11-02 11:55:40 -0600 (Mon, 02 Nov 2009) | 1 line
revert r76059; apparently some fixers rely on Leaf no () for children
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r76061 | benjamin.peterson | 2009-11-02 12:06:17 -0600 (Mon, 02 Nov 2009) | 1 line
make fix_tuple_params keep the tree valid #7253
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diff --git a/Lib/lib2to3/Grammar.txt b/Lib/lib2to3/Grammar.txt
index 4cf4e32..be034e1 100644
--- a/Lib/lib2to3/Grammar.txt
+++ b/Lib/lib2to3/Grammar.txt
@@ -53,8 +53,9 @@
simple_stmt: small_stmt (';' small_stmt)* [';'] NEWLINE
small_stmt: (expr_stmt | print_stmt | del_stmt | pass_stmt | flow_stmt |
import_stmt | global_stmt | exec_stmt | assert_stmt)
-expr_stmt: testlist (augassign (yield_expr|testlist) |
- ('=' (yield_expr|testlist))*)
+expr_stmt: testlist_star_expr (augassign (yield_expr|testlist) |
+ ('=' (yield_expr|testlist_star_expr))*)
+testlist_star_expr: (test|star_expr) (',' (test|star_expr))* [',']
augassign: ('+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^=' |
'<<=' | '>>=' | '**=' | '//=')
# For normal assignments, additional restrictions enforced by the interpreter
@@ -112,6 +113,7 @@
not_test: 'not' not_test | comparison
comparison: expr (comp_op expr)*
comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
+star_expr: '*' expr
expr: xor_expr ('|' xor_expr)*
xor_expr: and_expr ('^' and_expr)*
and_expr: shift_expr ('&' shift_expr)*
@@ -125,14 +127,14 @@
'{' [dictsetmaker] '}' |
'`' testlist1 '`' |
NAME | NUMBER | STRING+ | '.' '.' '.')
-listmaker: test ( comp_for | (',' test)* [','] )
-testlist_gexp: test ( comp_for | (',' test)* [','] )
+listmaker: (test|star_expr) ( comp_for | (',' (test|star_expr))* [','] )
+testlist_gexp: test ( comp_for | (',' (test|star_expr))* [','] )
lambdef: 'lambda' [varargslist] ':' test
trailer: '(' [arglist] ')' | '[' subscriptlist ']' | '.' NAME
subscriptlist: subscript (',' subscript)* [',']
subscript: test | [test] ':' [test] [sliceop]
sliceop: ':' [test]
-exprlist: expr (',' expr)* [',']
+exprlist: (expr|star_expr) (',' (expr|star_expr))* [',']
testlist: test (',' test)* [',']
dictsetmaker: ( (test ':' test (comp_for | (',' test ':' test)* [','])) |
(test (comp_for | (',' test)* [','])) )