diff --git a/Grammar/Grammar b/Grammar/Grammar index 0239413daeb..1553b34738a 100644 --- a/Grammar/Grammar +++ b/Grammar/Grammar @@ -32,17 +32,23 @@ decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE decorators: decorator+ funcdef: [decorators] 'def' NAME parameters ':' suite parameters: '(' [varargslist] ')' -varargslist: (fpdef ['=' test] ',')* ('*' NAME [',' '**' NAME] | '**' NAME) | fpdef ['=' test] (',' fpdef ['=' test])* [','] +varargslist: ((fpdef ['=' test] ',')* + ('*' NAME [',' '**' NAME] | '**' NAME) | + fpdef ['=' test] (',' fpdef ['=' test])* [',']) fpdef: NAME | '(' fplist ')' fplist: fpdef (',' fpdef)* [','] 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 -expr_stmt: testlist (augassign (yield_expr|testlist) | ('=' (yield_expr|testlist))*) -augassign: '+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^=' | '<<=' | '>>=' | '**=' | '//=' +small_stmt: (expr_stmt | print_stmt | del_stmt | pass_stmt | flow_stmt | + import_stmt | global_stmt | exec_stmt | assert_stmt) +expr_stmt: testlist (augassign (yield_expr|testlist) | + ('=' (yield_expr|testlist))*) +augassign: ('+=' | '-=' | '*=' | '/=' | '%=' | '&=' | '|=' | '^=' | + '<<=' | '>>=' | '**=' | '//=') # For normal assignments, additional restrictions enforced by the interpreter -print_stmt: 'print' ( [ test (',' test)* [','] ] | '>>' test [ (',' test)+ [','] ] ) +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 @@ -53,7 +59,8 @@ yield_stmt: yield_expr raise_stmt: 'raise' [test [',' test [',' test]]] import_stmt: import_name | import_from import_name: 'import' dotted_as_names -import_from: 'from' dotted_name 'import' ('*' | '(' import_as_names ')' | import_as_names) +import_from: ('from' ('.')* dotted_name + 'import' ('*' | '(' import_as_names ')' | import_as_names)) import_as_name: NAME [NAME NAME] dotted_as_name: dotted_name [NAME NAME] import_as_names: import_as_name (',' import_as_name)* [','] @@ -67,7 +74,11 @@ compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef if_stmt: 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite] while_stmt: 'while' test ':' suite ['else' ':' suite] for_stmt: 'for' exprlist 'in' testlist ':' suite ['else' ':' suite] -try_stmt: 'try' ':' suite ((except_clause ':' suite)+ ['else' ':' suite] ['finally' ':' suite] | 'finally' ':' suite) +try_stmt: ('try' ':' suite + ((except_clause ':' suite)+ + ['else' ':' suite] + ['finally' ':' suite] | + 'finally' ':' suite)) # NB compile.c makes sure that the default except clause is last except_clause: 'except' [test [',' test]] suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT @@ -85,7 +96,11 @@ arith_expr: term (('+'|'-') term)* term: factor (('*'|'/'|'%'|'//') factor)* factor: ('+'|'-'|'~') factor | power power: atom trailer* ['**' factor] -atom: '(' [yield_expr|testlist_gexp] ')' | '[' [listmaker] ']' | '{' [dictmaker] '}' | '`' testlist1 '`' | NAME | NUMBER | STRING+ +atom: ('(' [yield_expr|testlist_gexp] ')' | + '[' [listmaker] ']' | + '{' [dictmaker] '}' | + '`' testlist1 '`' | + NAME | NUMBER | STRING+) listmaker: test ( list_for | (',' test)* [','] ) testlist_gexp: test ( gen_for | (',' test)* [','] ) lambdef: 'lambda' [varargslist] ':' test @@ -117,4 +132,3 @@ testlist1: test (',' test)* encoding_decl: NAME yield_expr: 'yield' [testlist] - diff --git a/Python/graminit.c b/Python/graminit.c index a5bf3a491b6..36839dc8a2b 100644 --- a/Python/graminit.c +++ b/Python/graminit.c @@ -512,7 +512,8 @@ static state states_25[3] = { static arc arcs_26_0[1] = { {74, 1}, }; -static arc arcs_26_1[1] = { +static arc arcs_26_1[2] = { + {75, 1}, {12, 2}, }; static arc arcs_26_2[1] = { @@ -521,20 +522,20 @@ static arc arcs_26_2[1] = { static arc arcs_26_3[3] = { {28, 4}, {13, 5}, - {75, 4}, + {76, 4}, }; static arc arcs_26_4[1] = { {0, 4}, }; static arc arcs_26_5[1] = { - {75, 6}, + {76, 6}, }; static arc arcs_26_6[1] = { {15, 4}, }; static state states_26[7] = { {1, arcs_26_0}, - {1, arcs_26_1}, + {2, arcs_26_1}, {1, arcs_26_2}, {3, arcs_26_3}, {1, arcs_26_4}, @@ -580,14 +581,14 @@ static state states_28[4] = { {1, arcs_28_3}, }; static arc arcs_29_0[1] = { - {76, 1}, + {77, 1}, }; static arc arcs_29_1[2] = { {27, 2}, {0, 1}, }; static arc arcs_29_2[2] = { - {76, 1}, + {77, 1}, {0, 2}, }; static state states_29[3] = { @@ -596,7 +597,7 @@ static state states_29[3] = { {2, arcs_29_2}, }; static arc arcs_30_0[1] = { - {77, 1}, + {78, 1}, }; static arc arcs_30_1[2] = { {27, 0}, @@ -610,7 +611,7 @@ static arc arcs_31_0[1] = { {19, 1}, }; static arc arcs_31_1[2] = { - {78, 0}, + {75, 0}, {0, 1}, }; static state states_31[2] = { @@ -1251,7 +1252,7 @@ static state states_58[5] = { static arc arcs_59_0[3] = { {13, 1}, {136, 2}, - {78, 3}, + {75, 3}, }; static arc arcs_59_1[2] = { {14, 4}, @@ -1298,12 +1299,12 @@ static state states_60[3] = { {2, arcs_60_2}, }; static arc arcs_61_0[3] = { - {78, 1}, + {75, 1}, {26, 2}, {21, 3}, }; static arc arcs_61_1[1] = { - {78, 4}, + {75, 4}, }; static arc arcs_61_2[2] = { {21, 3}, @@ -1315,7 +1316,7 @@ static arc arcs_61_3[3] = { {0, 3}, }; static arc arcs_61_4[1] = { - {78, 6}, + {75, 6}, }; static arc arcs_61_5[2] = { {151, 6}, @@ -1809,11 +1810,11 @@ static dfa dfas[79] = { {314, "lambdef", 0, 5, states_58, "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\020\000\000"}, {315, "trailer", 0, 7, states_59, - "\000\040\000\000\000\000\000\000\000\100\000\000\000\000\000\000\000\001\000\000\000"}, + "\000\040\000\000\000\000\000\000\000\010\000\000\000\000\000\000\000\001\000\000\000"}, {316, "subscriptlist", 0, 3, states_60, - "\000\040\050\000\000\000\000\000\000\100\000\000\000\002\000\140\010\111\023\000\000"}, + "\000\040\050\000\000\000\000\000\000\010\000\000\000\002\000\140\010\111\023\000\000"}, {317, "subscript", 0, 7, states_61, - "\000\040\050\000\000\000\000\000\000\100\000\000\000\002\000\140\010\111\023\000\000"}, + "\000\040\050\000\000\000\000\000\000\010\000\000\000\002\000\140\010\111\023\000\000"}, {318, "sliceop", 0, 3, states_62, "\000\000\040\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"}, {319, "exprlist", 0, 3, states_63, @@ -1925,10 +1926,10 @@ static label labels[161] = { {1, "import"}, {286, 0}, {1, "from"}, + {23, 0}, {285, 0}, {283, 0}, {284, 0}, - {23, 0}, {1, "global"}, {1, "exec"}, {303, 0},