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git.madduck.net Git - etc/vim.git/blobdiff - src/blib2to3/Grammar.txt
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insteadOf = madduck:
# arguments = argument (',' argument)*
# argument = tfpdef ['=' test]
# kwargs = '**' tname [',']
# arguments = argument (',' argument)*
# argument = tfpdef ['=' test]
# kwargs = '**' tname [',']
+# args = '*' [tname_star ]
# kwonly_kwargs = (',' argument)* [',' [kwargs]]
# args_kwonly_kwargs = args kwonly_kwargs | kwargs
# poskeyword_args_kwonly_kwargs = arguments [',' [args_kwonly_kwargs]]
# kwonly_kwargs = (',' argument)* [',' [kwargs]]
# args_kwonly_kwargs = args kwonly_kwargs | kwargs
# poskeyword_args_kwonly_kwargs = arguments [',' [args_kwonly_kwargs]]
# It needs to be fully expanded to allow our LL(1) parser to work on it.
typedargslist: tfpdef ['=' test] (',' tfpdef ['=' test])* ',' '/' [
# It needs to be fully expanded to allow our LL(1) parser to work on it.
typedargslist: tfpdef ['=' test] (',' tfpdef ['=' test])* ',' '/' [
- ',' [((tfpdef ['=' test] ',')* ('*' [tname] (',' tname ['=' test])*
+ ',' [((tfpdef ['=' test] ',')* ('*' [tname_star ] (',' tname ['=' test])*
[',' ['**' tname [',']]] | '**' tname [','])
| tfpdef ['=' test] (',' tfpdef ['=' test])* [','])]
[',' ['**' tname [',']]] | '**' tname [','])
| tfpdef ['=' test] (',' tfpdef ['=' test])* [','])]
- ] | ((tfpdef ['=' test] ',')* ('*' [tname] (',' tname ['=' test])*
+ ] | ((tfpdef ['=' test] ',')* ('*' [tname_star ] (',' tname ['=' test])*
[',' ['**' tname [',']]] | '**' tname [','])
| tfpdef ['=' test] (',' tfpdef ['=' test])* [','])
tname: NAME [':' test]
[',' ['**' tname [',']]] | '**' tname [','])
| tfpdef ['=' test] (',' tfpdef ['=' test])* [','])
tname: NAME [':' test]
+tname_star: NAME [':' (test|star_expr)]
tfpdef: tname | '(' tfplist ')'
tfplist: tfpdef (',' tfpdef)* [',']
tfpdef: tname | '(' tfplist ')'
tfplist: tfpdef (',' tfpdef)* [',']
async_stmt: ASYNC (funcdef | with_stmt | for_stmt)
if_stmt: 'if' namedexpr_test ':' suite ('elif' namedexpr_test ':' suite)* ['else' ':' suite]
while_stmt: 'while' namedexpr_test ':' suite ['else' ':' suite]
async_stmt: ASYNC (funcdef | with_stmt | for_stmt)
if_stmt: 'if' namedexpr_test ':' suite ('elif' namedexpr_test ':' suite)* ['else' ':' suite]
while_stmt: 'while' namedexpr_test ':' suite ['else' ':' suite]
-for_stmt: 'for' exprlist 'in' testlist ':' suite ['else' ':' suite]
+for_stmt: 'for' exprlist 'in' testlist_star_expr ':' suite ['else' ':' suite]
try_stmt: ('try' ':' suite
((except_clause ':' suite)+
['else' ':' suite]
try_stmt: ('try' ':' suite
((except_clause ':' suite)+
['else' ':' suite]
with_stmt: 'with' asexpr_test (',' asexpr_test)* ':' suite
# NB compile.c makes sure that the default except clause is last
with_stmt: 'with' asexpr_test (',' asexpr_test)* ':' suite
# NB compile.c makes sure that the default except clause is last
-except_clause: 'except' [test [(',' | 'as') test]]
+except_clause: 'except' ['*'] [ test [(',' | 'as') test]]
suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT
# Backward compatibility cruft to support:
suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT
# Backward compatibility cruft to support:
testlist_gexp: (namedexpr_test|star_expr) ( old_comp_for | (',' (namedexpr_test|star_expr))* [','] )
lambdef: 'lambda' [varargslist] ':' test
trailer: '(' [arglist] ')' | '[' subscriptlist ']' | '.' NAME
testlist_gexp: (namedexpr_test|star_expr) ( old_comp_for | (',' (namedexpr_test|star_expr))* [','] )
lambdef: 'lambda' [varargslist] ':' test
trailer: '(' [arglist] ')' | '[' subscriptlist ']' | '.' NAME
-subscriptlist: subscript (',' subscript )* [',']
+subscriptlist: (subscript|star_expr) (',' (subscript|star_expr) )* [',']
subscript: test [':=' test] | [test] ':' [test] [sliceop]
sliceop: ':' [test]
exprlist: (expr|star_expr) (',' (expr|star_expr))* [',']
testlist: test (',' test)* [',']
subscript: test [':=' test] | [test] ':' [test] [sliceop]
sliceop: ':' [test]
exprlist: (expr|star_expr) (',' (expr|star_expr))* [',']
testlist: test (',' test)* [',']
-dictsetmaker: ( ((test ':' test | '**' expr)
- (comp_for | (',' (test ':' test | '**' expr))* [','])) |
+dictsetmaker: ( ((test ':' asexpr_ test | '**' expr)
+ (comp_for | (',' (test ':' asexpr_ test | '**' expr))* [','])) |
((test [':=' test] | star_expr)
(comp_for | (',' (test [':=' test] | star_expr))* [','])) )
((test [':=' test] | star_expr)
(comp_for | (',' (test [':=' test] | star_expr))* [','])) )
# multiple (test comp_for) arguments are blocked; keyword unpackings
# that precede iterable unpackings are blocked; etc.
argument: ( test [comp_for] |
# multiple (test comp_for) arguments are blocked; keyword unpackings
# that precede iterable unpackings are blocked; etc.
argument: ( test [comp_for] |
- test ':=' test |
- test '=' test |
+ test ':=' test [comp_for] |
+ test 'as' test |
+ test '=' asexpr_test |
# to reformat them.
match_stmt: "match" subject_expr ':' NEWLINE INDENT case_block+ DEDENT
# to reformat them.
match_stmt: "match" subject_expr ':' NEWLINE INDENT case_block+ DEDENT
-subject_expr: namedexpr_test
+
+# This is more permissive than the actual version. For example it
+# accepts `match *something:`, even though single-item starred expressions
+# are forbidden.
+subject_expr: (namedexpr_test|star_expr) (',' (namedexpr_test|star_expr))* [',']
# cases
case_block: "case" patterns [guard] ':' suite
guard: 'if' namedexpr_test
# cases
case_block: "case" patterns [guard] ':' suite
guard: 'if' namedexpr_test
-patterns: pattern ['as' pattern ]
-pattern: (expr|star_expr) (',' (expr|star_expr))* [',' ]
+patterns: pattern (',' pattern)* [',' ]
+pattern: (expr|star_expr) ['as' expr ]
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