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Fix cache versioning when BLACK_CACHE_DIR is set (#3937)
[etc/vim.git] / src / blib2to3 / Grammar.txt
diff --git a/src/blib2to3/Grammar.txt b/src/blib2to3/Grammar.txt
index bd8a452a3862476be93bb95776cfe5e15db6f01e..be91df757408cc226019898b47bb05bd6d5b2dcd 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:
@@ -74,8 +80,8 @@ 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 |
-             import_stmt | global_stmt | exec_stmt | assert_stmt)
+small_stmt: (type_stmt | expr_stmt | del_stmt | pass_stmt | flow_stmt |
+             import_stmt | global_stmt | assert_stmt)
 expr_stmt: testlist_star_expr (annassign | augassign (yield_expr|testlist) |
                      ('=' (yield_expr|testlist_star_expr))*)
 annassign: ':' test ['=' (yield_expr|testlist_star_expr)]
 expr_stmt: testlist_star_expr (annassign | augassign (yield_expr|testlist) |
                      ('=' (yield_expr|testlist_star_expr))*)
 annassign: ':' test ['=' (yield_expr|testlist_star_expr)]
@@ -83,8 +89,6 @@ testlist_star_expr: (test|star_expr) (',' (test|star_expr))* [',']
 augassign: ('+=' | '-=' | '*=' | '@=' | '/=' | '%=' | '&=' | '|=' | '^=' |
             '<<=' | '>>=' | '**=' | '//=')
 # For normal and annotated assignments, additional restrictions enforced by the interpreter
 augassign: ('+=' | '-=' | '*=' | '@=' | '/=' | '%=' | '&=' | '|=' | '^=' |
             '<<=' | '>>=' | '**=' | '//=')
 # For normal and annotated assignments, additional restrictions enforced by the interpreter
-print_stmt: 'print' ( [ test (',' test)* [','] ] |
-                      '>>' test [ (',' test)+ [','] ] )
 del_stmt: 'del' exprlist
 pass_stmt: 'pass'
 flow_stmt: break_stmt | continue_stmt | return_stmt | raise_stmt | yield_stmt
 del_stmt: 'del' exprlist
 pass_stmt: 'pass'
 flow_stmt: break_stmt | continue_stmt | return_stmt | raise_stmt | yield_stmt
@@ -103,8 +107,8 @@ import_as_names: import_as_name (',' import_as_name)* [',']
 dotted_as_names: dotted_as_name (',' dotted_as_name)*
 dotted_name: NAME ('.' NAME)*
 global_stmt: ('global' | 'nonlocal') NAME (',' NAME)*
 dotted_as_names: dotted_as_name (',' dotted_as_name)*
 dotted_name: NAME ('.' NAME)*
 global_stmt: ('global' | 'nonlocal') NAME (',' NAME)*
-exec_stmt: 'exec' expr ['in' test [',' test]]
 assert_stmt: 'assert' 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)
@@ -174,7 +178,7 @@ 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)* [',']
 
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