-- Error message handling. -- Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold -- -- GHDL is free software; you can redistribute it and/or modify it under -- the terms of the GNU General Public License as published by the Free -- Software Foundation; either version 2, or (at your option) any later -- version. -- -- GHDL is distributed in the hope that it will be useful, but WITHOUT ANY -- WARRANTY; without even the implied warranty of MERCHANTABILITY or -- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- for more details. -- -- You should have received a copy of the GNU General Public License -- along with GHDL; see the file COPYING. If not, write to the Free -- Software Foundation, 59 Temple Place - Suite 330, Boston, MA -- 02111-1307, USA. with Name_Table; with Files_Map; use Files_Map; with Str_Table; package body Errorout is -- Messages in a group. -- Set to 0 for individual messages, -- Set to 1 .. n for messages in a group. In_Group : Natural := 0; Report_Handler : Report_Msg_Handler; procedure Set_Report_Handler (Handler : Report_Msg_Handler) is begin Report_Handler := Handler; end Set_Report_Handler; function Natural_Image (Val: Natural) return String is Str: constant String := Natural'Image (Val); begin return Str (Str'First + 1 .. Str'Last); end Natural_Image; function Get_Error_Col (E : Error_Record) return Natural is Line_Pos : Source_Ptr; begin Line_Pos := File_Line_To_Position (E.File, E.Line); return Coord_To_Col (E.File, Line_Pos, E.Offset); end Get_Error_Col; -- Warnings. Warnings_Control : Warnings_Setting := Default_Warnings; procedure Enable_Warning (Id : Msgid_Warnings; Enable : Boolean) is begin Warnings_Control (Id).Enabled := Enable; end Enable_Warning; function Is_Warning_Enabled (Id : Msgid_Warnings) return Boolean is begin return Warnings_Control (Id).Enabled; end Is_Warning_Enabled; procedure Warning_Error (Id : Msgid_All_Warnings; As_Error : Boolean) is begin Warnings_Control (Id).Error := As_Error; end Warning_Error; function Is_Warning_Error (Id : Msgid_All_Warnings) return Boolean is begin return Warnings_Control (Id).Error; end Is_Warning_Error; function Warning_Image (Id : Msgid_Warnings) return String is Img : constant String := Msgid_Warnings'Image (Id); -- Prefix to strip. Prefix : constant String := "WARNID_"; pragma Assert (Img'Length > Prefix'Length); pragma Assert (Img (1 .. Prefix'Length) = Prefix); Res : String (1 .. Img'Last - Prefix'Length); C : Character; begin -- Convert to lower cases, and '_' to '-'. for I in Res'Range loop C := Img (Prefix'Length + I); case C is when '_' => C := '-'; when 'A' .. 'Z' => C := Character'Val (Character'Pos (C) + 32); when others => raise Internal_Error; end case; Res (I) := C; end loop; return Res; end Warning_Image; procedure Save_Warnings_Setting (Res : out Warnings_Setting) is begin Res := Warnings_Control; end Save_Warnings_Setting; procedure Disable_All_Warnings is begin Warnings_Control := (others => (Enabled => False, Error => False)); end Disable_All_Warnings; procedure Restore_Warnings_Setting (Res : Warnings_Setting) is begin Warnings_Control := Res; end Restore_Warnings_Setting; -- Error arguments function "+" (V : Location_Type) return Earg_Type is begin return (Kind => Earg_Location, Val_Loc => V); end "+"; function "+" (V : Name_Id) return Earg_Type is begin return (Kind => Earg_Id, Val_Id => V); end "+"; function "+" (V : Character) return Earg_Type is begin return (Kind => Earg_Char, Val_Char => V); end "+"; function "+" (V : Uns32) return Earg_Type is begin return (Kind => Earg_Uns32, Val_Uns32 => V); end "+"; function "+" (V : Int32) return Earg_Type is begin return (Kind => Earg_Int32, Val_Int32 => V); end "+"; function "+" (V : String8_Len_Type) return Earg_Type is begin return (Kind => Earg_String8, Val_Str8 => V); end "+"; function "+" (L : Location_Type) return Source_Coord_Type is Res : Source_Coord_Type; begin Files_Map.Location_To_Coord (L, Res.File, Res.Line_Pos, Res.Line, Res.Offset); return Res; end "+"; procedure Output_Identifier (Id : Name_Id) is begin Report_Handler.Message (Name_Table.Image (Id)); end Output_Identifier; procedure Output_Quoted_Identifier (Id : Name_Id) is begin Report_Handler.Message (""""); Output_Identifier (Id); Report_Handler.Message (""""); end Output_Quoted_Identifier; procedure Output_Quoted_Character (C : Character) is begin Report_Handler.Message ("'"); Report_Handler.Message ((1 => C)); Report_Handler.Message ("'"); end Output_Quoted_Character; procedure Location_To_Position (Location : Location_Type; File : out Source_File_Entry; Line : out Natural; Col : out Natural) is Name : Name_Id; Line_Pos : Source_Ptr; Offset : Natural; begin Location_To_Coord (Location, File, Line_Pos, Line, Offset); Coord_To_Position (File, Line_Pos, Offset, Name, Col); end Location_To_Position; procedure Output_Location (Err : Error_Record; Loc : Location_Type) is Arg_File : Source_File_Entry; Arg_Line : Natural; Arg_Col : Natural; begin Location_To_Position (Loc, Arg_File, Arg_Line, Arg_Col); -- Do not print the filename if in the same file as -- the error location. if Arg_File = Err.File then Report_Handler.Message ("line "); else Report_Handler.Message (Name_Table.Image (Get_File_Name (Arg_File))); Report_Handler.Message (":"); end if; Report_Handler.Message (Natural_Image (Arg_Line)); Report_Handler.Message (":"); Report_Handler.Message (Natural_Image (Arg_Col)); end Output_Location; procedure Output_Uns32 (V : Uns32) is S : constant String := Uns32'Image (V); begin Report_Handler.Message (S (2 .. S'Last)); end Output_Uns32; procedure Output_String8 (Str : String8_Len_Type) is begin Report_Handler.Message (""""); Report_Handler.Message (Str_Table.String_String8 (Str.Str, Str.Len)); Report_Handler.Message (""""); end Output_String8; procedure Output_Message (S : String) is begin Report_Handler.Message (S); end Output_Message; type Handlers_Array is array (Earg_Lang_Kind) of Earg_Handler; Lang_Handlers : Handlers_Array := (others => null); procedure Register_Earg_Handler (Kind : Earg_Kind; Handler : Earg_Handler) is begin if Lang_Handlers (Kind) /= null and then Lang_Handlers (Kind) /= Handler then -- Cannot change handler. raise Internal_Error; end if; Lang_Handlers (Kind) := Handler; end Register_Earg_Handler; procedure Report_Msg (Id : Msgid_Type; Origin : Report_Origin; Loc : Source_Coord_Type; Msg : String; Args : Earg_Arr := No_Eargs) is New_Id : Msgid_Type; Err : Error_Record; begin -- Discard warnings that aren't enabled. if Id in Msgid_Warnings and then not Is_Warning_Enabled (Id) then return; end if; -- Reclassify warnings to errors if -Werror. if Id in Msgid_All_Warnings and then Is_Warning_Error (Id) then New_Id := Msgid_Error; else New_Id := Id; end if; pragma Unreferenced (Id); if In_Group <= 1 and then New_Id = Msgid_Error then if Nbr_Errors = Max_Nbr_Errors then -- Limit reached. Emit a message on the first message. Report_Handler.Error_Start (Err => (Option, Msgid_Error, No_Source_File_Entry, 0, 0, 0)); Report_Handler.Message ("error limit reached"); Report_Handler.Message_End.all; end if; Nbr_Errors := Nbr_Errors + 1; end if; -- Limit the number of errors. if New_Id = Msgid_Error and then Nbr_Errors > Max_Nbr_Errors then return; end if; Err := (Origin, New_Id, Loc.File, Loc.Line, Loc.Offset, 0); Report_Handler.Error_Start (Err); if In_Group > 0 then In_Group := In_Group + 1; end if; -- Display message. declare First, N : Positive; Argn : Integer; Format : Character; begin N := Msg'First; First := N; Argn := Args'First; while N <= Msg'Last loop if Msg (N) = '%' then Report_Handler.Message (Msg (First .. N - 1)); First := N + 2; pragma Assert (N < Msg'Last); N := N + 1; Format := Msg (N); if Format = '%' then -- Special case because there is no argument for the -- escape format. Report_Handler.Message ("%"); else declare Arg : Earg_Type renames Args (Argn); begin case Arg.Kind is when Earg_None => raise Internal_Error; when Earg_Location => if Format = 'l' then Output_Location (Err, Arg.Val_Loc); else raise Internal_Error; end if; when Earg_Id => if Format = 'i' then Output_Quoted_Identifier (Arg.Val_Id); else raise Internal_Error; end if; when Earg_Char => if Format = 'c' then Output_Quoted_Character (Arg.Val_Char); else raise Internal_Error; end if; when Earg_String8 => if Format = 's' then Output_String8 (Arg.Val_Str8); else raise Internal_Error; end if; when Earg_Uns32 => if Format = 'v' then Output_Uns32 (Arg.Val_Uns32); else raise Internal_Error; end if; when Earg_Int32 => raise Internal_Error; when Earg_Lang_Kind => if Lang_Handlers (Arg.Kind) = null then raise Internal_Error; end if; Lang_Handlers (Arg.Kind) (Format, Err, Arg.Val_Lang); end case; end; Argn := Argn + 1; end if; end if; N := N + 1; end loop; Report_Handler.Message (Msg (First .. N - 1)); -- Are all arguments displayed ? pragma Assert (Argn > Args'Last); end; Report_Handler.Message_End.all; end Report_Msg; procedure Report_Start_Group is begin pragma Assert (In_Group = 0); In_Group := 1; Report_Handler.Message_Group.all (True); end Report_Start_Group; procedure Report_End_Group is begin pragma Assert (In_Group > 0); In_Group := 0; Report_Handler.Message_Group.all (False); end Report_End_Group; procedure Error_Msg_Option (Msg: String) is begin Report_Msg (Msgid_Error, Option, No_Source_Coord, Msg); end Error_Msg_Option; procedure Warning_Msg_Option (Id : Msgid_Warnings; Msg: String) is begin Report_Msg (Id, Option, No_Source_Coord, Msg); end Warning_Msg_Option; function Make_Earg_Vhdl_Node (V : Uns32) return Earg_Type is begin return (Kind => Earg_Vhdl_Node, Val_Lang => V); end Make_Earg_Vhdl_Node; function Make_Earg_Vhdl_Token (V : Uns32) return Earg_Type is begin return (Kind => Earg_Vhdl_Token, Val_Lang => V); end Make_Earg_Vhdl_Token; function Make_Earg_Synth_Instance (V : Uns32) return Earg_Type is begin return (Kind => Earg_Synth_Instance, Val_Lang => V); end Make_Earg_Synth_Instance; function Make_Earg_Synth_Net (V : Uns32) return Earg_Type is begin return (Kind => Earg_Synth_Net, Val_Lang => V); end Make_Earg_Synth_Net; function Make_Earg_Synth_Name (V : Uns32) return Earg_Type is begin return (Kind => Earg_Synth_Name, Val_Lang => V); end Make_Earg_Synth_Name; end Errorout; 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707