diff options
-rw-r--r-- | perl_checker.src/lexer.mll | 1 | ||||
-rw-r--r-- | perl_checker.src/parser.mly | 28 | ||||
-rw-r--r-- | perl_checker.src/parser_helper.ml | 12 | ||||
-rw-r--r-- | perl_checker.src/parser_helper.mli | 1 | ||||
-rw-r--r-- | perl_checker.src/types.mli | 1 |
5 files changed, 25 insertions, 18 deletions
diff --git a/perl_checker.src/lexer.mll b/perl_checker.src/lexer.mll index a9de7d2..7de0f13 100644 --- a/perl_checker.src/lexer.mll +++ b/perl_checker.src/lexer.mll @@ -540,6 +540,7 @@ rule token = parse | "printf" { PRINT(lexeme lexbuf, pos lexbuf) } | "new" { NEW(pos lexbuf) } | "format" { let pos = pos lexbuf in FORMAT(here_doc_next_line ".", pos) } +| "delete" | "defined" | "length" | "keys" diff --git a/perl_checker.src/parser.mly b/perl_checker.src/parser.mly index 549cef2..e44bcf1 100644 --- a/perl_checker.src/parser.mly +++ b/perl_checker.src/parser.mly @@ -319,20 +319,20 @@ term: | array BRACKET expr BRACKET_END {sp_0($2); sp_0($3); sp_0($4); new_pesp M_list P_expr (to_Deref_with(I_hash, I_array, from_array $1, $3.any.expr)) $1 $4} /* hash slice: @hash{@keys} */ /* function_calls */ -| ONE_SCALAR_PARA RAW_STRING {call_one_scalar_para $1 [to_Raw_string $2] $1 $2} -| ONE_SCALAR_PARA STRING {call_one_scalar_para $1 [to_String true $2] $1 $2} -| ONE_SCALAR_PARA variable {call_one_scalar_para $1 [$2.any] $1 $2} -| ONE_SCALAR_PARA restricted_subscripted {call_one_scalar_para $1 [$2.any] $1 $2} -| ONE_SCALAR_PARA parenthesized {call_one_scalar_para $1 $2.any.expr $1 $2} -| ONE_SCALAR_PARA BRACKET lines BRACKET_END {sp_n($2); new_pesp M_unknown P_tok (call(Deref(I_func, Ident(None, $1.any, raw_pos2pos $1.pos)), [anonymous_sub None $3 $4])) $1 $4} /* eval { foo } */ -| ONE_SCALAR_PARA diamond {call_one_scalar_para $1 [$2.any] $1 $2} -| ONE_SCALAR_PARA %prec PREC_LOW {call_one_scalar_para $1 [] $1 $1} -| ONE_SCALAR_PARA word argexpr {check_parenthesized_first_argexpr_with_Ident $2.any $3; call_one_scalar_para $1 [call(Deref(I_func, $2.any), $3.any.expr)] $1 $3} /* ref foo $a, $b */ -| ONE_SCALAR_PARA hash PKG_SCOPE {sp_0($3); call_one_scalar_para $1 [ Call(Too_complex, [$2.any]) ] $1 $3} /* keys %main:: */ -| ONE_SCALAR_PARA BAREWORD {if $2.any = "_" && $1.any.[0] = '-' then new_pesp M_bool P_mul Too_complex $1 $2 else die_rule "syntax error"} /* -e "foo" && -f _ */ - -| ONE_SCALAR_PARA array arrayref {call_one_scalar_para $1 [to_Deref_with(I_array, I_array, from_array $2, List $3.any)] $1 $3} /* array slice: @array[vals] */ -| ONE_SCALAR_PARA array BRACKET expr BRACKET_END {sp_0($3); sp_0($4); sp_0($5); call_one_scalar_para $1 [to_Deref_with(I_hash, I_array, from_array $2, $4.any.expr)] $1 $5} /* hash slice: @hash{@keys} */ +| ONE_SCALAR_PARA RAW_STRING {call_one_scalar_para P_uniop $1 [to_Raw_string $2] $1 $2} +| ONE_SCALAR_PARA STRING {call_one_scalar_para P_uniop $1 [to_String true $2] $1 $2} +| ONE_SCALAR_PARA variable {call_one_scalar_para P_uniop $1 [$2.any] $1 $2} +| ONE_SCALAR_PARA restricted_subscripted {call_one_scalar_para P_uniop $1 [$2.any] $1 $2} +| ONE_SCALAR_PARA parenthesized {call_one_scalar_para P_tok $1 $2.any.expr $1 $2} +| ONE_SCALAR_PARA BRACKET lines BRACKET_END {sp_n($2); new_pesp M_unknown P_uniop (call(Deref(I_func, Ident(None, $1.any, raw_pos2pos $1.pos)), [anonymous_sub None $3 $4])) $1 $4} /* eval { foo } */ +| ONE_SCALAR_PARA diamond {call_one_scalar_para P_uniop $1 [$2.any] $1 $2} +| ONE_SCALAR_PARA %prec PREC_LOW {call_one_scalar_para P_tok $1 [] $1 $1} +| ONE_SCALAR_PARA word argexpr {check_parenthesized_first_argexpr_with_Ident $2.any $3; call_one_scalar_para P_uniop $1 [call(Deref(I_func, $2.any), $3.any.expr)] $1 $3} /* ref foo $a, $b */ +| ONE_SCALAR_PARA hash PKG_SCOPE {sp_0($3); call_one_scalar_para P_uniop $1 [ Call(Too_complex, [$2.any]) ] $1 $3} /* keys %main:: */ +| ONE_SCALAR_PARA BAREWORD {if $2.any = "_" && $1.any.[0] = '-' then new_pesp M_bool P_uniop Too_complex $1 $2 else die_rule "syntax error"} /* -e "foo" && -f _ */ + +| ONE_SCALAR_PARA array arrayref {call_one_scalar_para P_uniop $1 [to_Deref_with(I_array, I_array, from_array $2, List $3.any)] $1 $3} /* array slice: @array[vals] */ +| ONE_SCALAR_PARA array BRACKET expr BRACKET_END {sp_0($3); sp_0($4); sp_0($5); call_one_scalar_para P_uniop $1 [to_Deref_with(I_hash, I_array, from_array $2, $4.any.expr)] $1 $5} /* hash slice: @hash{@keys} */ | func parenthesized {sp_0($2); call_func $1 $2} /* &foo(@args) */ | word argexpr {check_parenthesized_first_argexpr_with_Ident $1.any $2; call_no_paren $1 $2} /* foo $a, $b */ diff --git a/perl_checker.src/parser_helper.ml b/perl_checker.src/parser_helper.ml index 731b78f..43d60a4 100644 --- a/perl_checker.src/parser_helper.ml +++ b/perl_checker.src/parser_helper.ml @@ -317,6 +317,8 @@ let rec prio_less = function | P_eq, _ -> false | _, P_cmp -> true | P_cmp, _ -> false + | _, P_uniop -> true + | P_uniop, _ -> false | _, P_add -> true | P_add, _ -> false | _, P_mul -> true @@ -337,8 +339,10 @@ let prio_lo_check pri_out pri_in pos expr = prio_less(pri_in', pri_out) && not_complex (un_parenthesize expr) then warn [Warn_suggest_simpler] pos "unneeded parentheses" | _ -> ()) - else + else (match expr with + | Call(Deref(I_func, Ident(None, f, _)), _) when f <> "delete" && pri_in = P_uniop && pri_out = P_add + -> () (* ugly special case since we don't parse uniop correctly (eg: -d $_ . "foo" *) | Call_op ("print", [Deref (I_star, Ident (None, "STDOUT", _)); (Deref(I_scalar, _) as ident)], _) -> warn [Warn_traps] pos (sprintf "use parentheses: replace \"print %s ...\" with \"print(%s ...)\"" (string_of_fromparser ident) (string_of_fromparser ident)) | _ -> warn [Warn_traps] pos "missing parentheses (needed for clarity)") @@ -1088,8 +1092,8 @@ let call_with_paren esp_func esp_para = check_return esp_func esp_para; call_and let call_func esp_func esp_para = call_and_context(esp_func.any, esp_para.any.expr) true P_tok esp_func esp_para -let call_one_scalar_para { any = e ; pos = pos } para esp_start esp_end = - let para = +let call_one_scalar_para prio { any = e ; pos = pos } para esp_start esp_end = + let para' = match para with | [] -> if e = "shift" || e = "pop" then @@ -1099,7 +1103,7 @@ let call_one_scalar_para { any = e ; pos = pos } para esp_start esp_end = [var_dollar_ (raw_pos2pos pos)]) | _ -> para in - new_pesp M_unknown P_mul (call(Deref(I_func, Ident(None, e, raw_pos2pos pos)), para)) esp_start esp_end + new_pesp M_unknown prio (call(Deref(I_func, Ident(None, e, raw_pos2pos pos)), para')) esp_start esp_end let (current_lexbuf : Lexing.lexbuf option ref) = ref None diff --git a/perl_checker.src/parser_helper.mli b/perl_checker.src/parser_helper.mli index 0708792..e820703 100644 --- a/perl_checker.src/parser_helper.mli +++ b/perl_checker.src/parser_helper.mli @@ -235,6 +235,7 @@ val call_func : Types.fromparser list Types.prio_anyexpr Types.any_spaces_pos -> Types.fromparser Types.prio_anyexpr Types.any_spaces_pos val call_one_scalar_para : + Types.priority -> string Types.any_spaces_pos -> Types.fromparser list -> 'a Types.any_spaces_pos -> diff --git a/perl_checker.src/types.mli b/perl_checker.src/types.mli index 15f97cd..5f23d3a 100644 --- a/perl_checker.src/types.mli +++ b/perl_checker.src/types.mli @@ -72,6 +72,7 @@ type priority = | P_tight | P_mul | P_add +| P_uniop | P_cmp | P_eq | P_expr |