Read simple data cases automatically (#3034)

[etc/vim.git] / src / blib2to3 / Grammar.txt

diff --git a/src/blib2to3/Grammar.txt b/src/blib2to3/Grammar.txt
index 600712ce2f072e2b23c34f3312d5c34b7caca38f..1de5416551399f54fd59016f2bc1ba7deda0bb9f 100644 (file)
--- a/src/blib2to3/Grammar.txt
+++ b/src/blib2to3/Grammar.txt
@@ -109,7 +109,7 @@ compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | with_stmt | funcdef
 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]


@@ -118,7 +118,7 @@ try_stmt: ('try' ':' 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:


@@ -187,7 +187,7 @@ arglist: argument (',' argument)* [',']
 argument: ( test [comp_for] |
             test ':=' test |
             test 'as' test |
 argument: ( test [comp_for] |
             test ':=' test |
             test 'as' test |

-            test '=' test |
+            test '=' asexpr_test |

            '**' test |
             '*' test )
 
            '**' test |
             '*' test )
 


@@ -247,5 +247,5 @@ 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]