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Bump pypa/cibuildwheel from 2.14.1 to 2.15.0 (#3836)
[etc/vim.git] / src / blib2to3 / Grammar.txt
diff --git a/src/blib2to3/Grammar.txt b/src/blib2to3/Grammar.txt
index 1de5416551399f54fd59016f2bc1ba7deda0bb9f..e48e66363fb504f2430d2ec61553e122fbd52ffc 100644 (file)
--- a/src/blib2to3/Grammar.txt
+++ b/src/blib2to3/Grammar.txt
@@ -12,11 +12,17 @@ file_input: (NEWLINE | stmt)* ENDMARKER
 single_input: NEWLINE | simple_stmt | compound_stmt NEWLINE
 eval_input: testlist NEWLINE* ENDMARKER
 
 single_input: NEWLINE | simple_stmt | compound_stmt NEWLINE
 eval_input: testlist NEWLINE* ENDMARKER
 
+typevar: NAME [':' expr]
+paramspec: '**' NAME
+typevartuple: '*' NAME
+typeparam: typevar | paramspec | typevartuple
+typeparams: '[' typeparam (',' typeparam)* [','] ']'
+
 decorator: '@' namedexpr_test NEWLINE
 decorators: decorator+
 decorated: decorators (classdef | funcdef | async_funcdef)
 async_funcdef: ASYNC funcdef
 decorator: '@' namedexpr_test NEWLINE
 decorators: decorator+
 decorated: decorators (classdef | funcdef | async_funcdef)
 async_funcdef: ASYNC funcdef
-funcdef: 'def' NAME parameters ['->' test] ':' suite
+funcdef: 'def' NAME [typeparams] parameters ['->' test] ':' suite
 parameters: '(' [typedargslist] ')'
 
 # The following definition for typedarglist is equivalent to this set of rules:
 parameters: '(' [typedargslist] ')'
 
 # The following definition for typedarglist is equivalent to this set of rules:
@@ -24,7 +30,7 @@ parameters: '(' [typedargslist] ')'
 #     arguments = argument (',' argument)*
 #     argument = tfpdef ['=' test]
 #     kwargs = '**' tname [',']
 #     arguments = argument (',' argument)*
 #     argument = tfpdef ['=' test]
 #     kwargs = '**' tname [',']
-#     args = '*' [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]]
@@ -34,14 +40,15 @@ parameters: '(' [typedargslist] ')'
 # 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)* [',']
 
@@ -73,7 +80,7 @@ vfplist: vfpdef (',' vfpdef)* [',']
 
 stmt: simple_stmt | compound_stmt
 simple_stmt: small_stmt (';' small_stmt)* [';'] NEWLINE
 
 stmt: simple_stmt | compound_stmt
 simple_stmt: small_stmt (';' small_stmt)* [';'] NEWLINE
-small_stmt: (expr_stmt | print_stmt  | del_stmt | pass_stmt | flow_stmt |
+small_stmt: (type_stmt | expr_stmt | print_stmt  | del_stmt | pass_stmt | flow_stmt |
              import_stmt | global_stmt | exec_stmt | assert_stmt)
 expr_stmt: testlist_star_expr (annassign | augassign (yield_expr|testlist) |
                      ('=' (yield_expr|testlist_star_expr))*)
              import_stmt | global_stmt | exec_stmt | assert_stmt)
 expr_stmt: testlist_star_expr (annassign | augassign (yield_expr|testlist) |
                      ('=' (yield_expr|testlist_star_expr))*)
@@ -104,6 +111,7 @@ dotted_name: NAME ('.' NAME)*
 global_stmt: ('global' | 'nonlocal') NAME (',' NAME)*
 exec_stmt: 'exec' expr ['in' test [',' test]]
 assert_stmt: 'assert' test [',' test]
 global_stmt: ('global' | 'nonlocal') NAME (',' NAME)*
 exec_stmt: 'exec' expr ['in' test [',' test]]
 assert_stmt: 'assert' test [',' test]
+type_stmt: "type" NAME [typeparams] '=' expr
 
 compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | with_stmt | funcdef | classdef | decorated | async_stmt | match_stmt
 async_stmt: ASYNC (funcdef | with_stmt | for_stmt)
 
 compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | with_stmt | funcdef | classdef | decorated | async_stmt | match_stmt
 async_stmt: ASYNC (funcdef | with_stmt | for_stmt)
@@ -163,7 +171,7 @@ listmaker: (namedexpr_test|star_expr) ( old_comp_for | (',' (namedexpr_test|star
 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))* [',']
 subscript: test [':=' test] | [test] ':' [test] [sliceop]
 sliceop: ':' [test]
 exprlist: (expr|star_expr) (',' (expr|star_expr))* [',']
@@ -173,7 +181,7 @@ dictsetmaker: ( ((test ':' asexpr_test | '**' expr)
                 ((test [':=' test] | star_expr)
                 (comp_for | (',' (test [':=' test] | star_expr))* [','])) )
 
                 ((test [':=' test] | star_expr)
                 (comp_for | (',' (test [':=' test] | star_expr))* [','])) )
 
-classdef: 'class' NAME ['(' [arglist] ')'] ':' suite
+classdef: 'class' NAME [typeparams] ['(' [arglist] ')'] ':' suite
 
 arglist: argument (',' argument)* [',']
 
 
 arglist: argument (',' argument)* [',']
 
@@ -185,7 +193,7 @@ arglist: argument (',' argument)* [',']
 # 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 [comp_for] |
             test 'as' test |
             test '=' asexpr_test |
            '**' test |
             test 'as' test |
             test '=' asexpr_test |
            '**' test |
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