X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/1c6b3a3a6fbc50b651d4ac34247903041d3f6329..c97b9c55b488a478afe171537c0e4c0f10631ca1:/src/blib2to3/Grammar.txt?ds=sidebyside diff --git a/src/blib2to3/Grammar.txt b/src/blib2to3/Grammar.txt index 600712c..bd8a452 100644 --- a/src/blib2to3/Grammar.txt +++ b/src/blib2to3/Grammar.txt @@ -24,7 +24,7 @@ parameters: '(' [typedargslist] ')' # 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]] @@ -34,14 +34,15 @@ parameters: '(' [typedargslist] ')' # 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])* [','])] - ] | ((tfpdef ['=' test] ',')* ('*' [tname] (',' tname ['=' test])* + ] | ((tfpdef ['=' test] ',')* ('*' [tname_star] (',' tname ['=' test])* [',' ['**' tname [',']]] | '**' tname [',']) | tfpdef ['=' test] (',' tfpdef ['=' test])* [',']) tname: NAME [':' test] +tname_star: NAME [':' (test|star_expr)] tfpdef: tname | '(' tfplist ')' tfplist: tfpdef (',' tfpdef)* [','] @@ -109,7 +110,7 @@ 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] -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] @@ -118,7 +119,7 @@ try_stmt: ('try' ':' suite with_stmt: 'with' asexpr_test (',' asexpr_test)* ':' suite # NB compile.c makes sure that the default except clause is last -except_clause: 'except' [test [(',' | 'as') test]] +except_clause: 'except' ['*'] [test [(',' | 'as') test]] suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT # Backward compatibility cruft to support: @@ -163,7 +164,7 @@ 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 -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))* [','] @@ -185,9 +186,9 @@ arglist: argument (',' argument)* [','] # 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 '=' test | + test '=' asexpr_test | '**' test | '*' test ) @@ -247,5 +248,5 @@ subject_expr: (namedexpr_test|star_expr) (',' (namedexpr_test|star_expr))* [','] # 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]