diff options
Diffstat (limited to 'Grammar')
| -rw-r--r-- | Grammar/Grammar | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/Grammar/Grammar b/Grammar/Grammar index de98aeb..2e0b20c 100644 --- a/Grammar/Grammar +++ b/Grammar/Grammar @@ -2,6 +2,15 @@ # Change log: +# 3-May-94: +# Added else clause to try-except + +# 17-Apr-94: +# Added string literal concatenation + +# 13-Apr-94: +# Added default values for function/lambda argument lists + # 30-Nov-93: # Removed lambda_input, added lambdef @@ -89,7 +98,7 @@ eval_input: testlist NEWLINE* ENDMARKER funcdef: 'def' NAME parameters ':' suite parameters: '(' [varargslist] ')' -varargslist: (fpdef ',')* '*' NAME | fpdef (',' fpdef)* [','] +varargslist: (fpdef ['=' test] ',')* '*' NAME | fpdef ['=' test] (',' fpdef ['=' test])* [','] fpdef: NAME | '(' fplist ')' fplist: fpdef (',' fpdef)* [','] @@ -118,7 +127,7 @@ 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)+ | 'try' ':' suite 'finally' ':' suite +try_stmt: 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite] | 'try' ':' 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 @@ -135,7 +144,7 @@ shift_expr: arith_expr (('<<'|'>>') arith_expr)* arith_expr: term (('+'|'-') term)* term: factor (('*'|'/'|'%') factor)* factor: ('+'|'-'|'~') factor | atom trailer* -atom: '(' [testlist] ')' | '[' [testlist] ']' | '{' [dictmaker] '}' | '`' testlist '`' | NAME | NUMBER | STRING +atom: '(' [testlist] ')' | '[' [testlist] ']' | '{' [dictmaker] '}' | '`' testlist '`' | NAME | NUMBER | STRING+ lambdef: 'lambda' [varargslist] ':' test trailer: '(' [testlist] ')' | '[' subscript ']' | '.' NAME subscript: test | [test] ':' [test] |