synhighlightercobol.pas

SynEditStudio delphi 代码编辑器

{-------------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/

Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
the specific language governing rights and limitations under the License.

Code template generated with SynGen.
The original code is: SynHighlighterCobol.pas, released 2002-08-26.
Description: COBOL Syntax Parser/Highlighter
The author of this file is Andrey Ustinov.
Copyright (c) 2002 Software Mining, http://www.softwaremining.com/,
all rights reserved.

Contributors to the SynEdit and mwEdit projects are listed in the
Contributors.txt file.

Alternatively, the contents of this file may be used under the terms of the
GNU General Public License Version 2 or later (the "GPL"), in which case
the provisions of the GPL are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms
of the GPL and not to allow others to use your version of this file
under the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the GPL.
If you do not delete the provisions above, a recipient may use your version
of this file under either the MPL or the GPL.

$Id: SynHighlighterCobol.pas,v 1.6 2005/01/28 16:53:21 maelh Exp $

You may retrieve the latest version of this file at the SynEdit home page,
located at http://SynEdit.SourceForge.net

-------------------------------------------------------------------------------}

{$IFNDEF QSYNHIGHLIGHTERCOBOL}
unit SynHighlighterCobol;
{$ENDIF}

{$I SynEdit.inc}

interface

uses
{$IFDEF SYN_CLX}
  QGraphics,
  QSynEditTypes,
  QSynEditHighlighter,
{$ELSE}
  Graphics,
  SynEditTypes,
  SynEditHighlighter,
{$ENDIF}
  SysUtils,
  Classes;

type
  TtkTokenKind = (
    tkComment,
    tkIdentifier,
    tkAIdentifier,
    tkPreprocessor,
    tkKey,
    tkBoolean,
    tkNull,
    tkNumber,
    tkSpace,
    tkString,
    tkSequence,
    tkIndicator,
    tkTagArea,
    tkDebugLines,
    tkUnknown);

  TRangeState = (rsUnknown,
                 rsQuoteString, rsApostString,
                 rsPseudoText,
                 rsQuoteStringMayBe, rsApostStringMayBe);

  TProcTableProc = procedure of object;

  PIdentFuncTableFunc = ^TIdentFuncTableFunc;
  TIdentFuncTableFunc = function: TtkTokenKind of object;

const
  MaxKey = 208;

type
  TSynCobolSyn = class(TSynCustomHighlighter)
  private
    fLine: PChar;
    fLineNumber: Integer;
    fProcTable: array[#0..#255] of TProcTableProc;
    fRange: TRangeState;
    Run: LongInt;
    fStringLen: Integer;
    fToIdent: PChar;
    fTokenPos: Integer;
    fTokenID: TtkTokenKind;
    fIdentFuncTable: array[0 .. MaxKey] of TIdentFuncTableFunc;
    fIndicator: Char;

    fCodeStartPos: LongInt;
    fCodeMediumPos: LongInt;
    fCodeEndPos: LongInt;

    fCommentAttri: TSynHighlighterAttributes;
    fIdentifierAttri: TSynHighlighterAttributes;
    fAIdentifierAttri: TSynHighlighterAttributes;
    fPreprocessorAttri: TSynHighlighterAttributes;
    fKeyAttri: TSynHighlighterAttributes;
    fNumberAttri: TSynHighlighterAttributes;
    fBooleanAttri: TSynHighlighterAttributes;
    fSpaceAttri: TSynHighlighterAttributes;
    fStringAttri: TSynHighlighterAttributes;
    fSequenceAttri: TSynHighlighterAttributes;
    fIndicatorAttri: TSynHighlighterAttributes;
    fTagAreaAttri: TSynHighlighterAttributes;
    fDebugLinesAttri: TSynHighlighterAttributes;

    function KeyHash(ToHash: PChar): Integer;
    function KeyComp(const aKey: string): Boolean;
    function Func2: TtkTokenKind;
    function Func5: TtkTokenKind;
    function Func6: TtkTokenKind;
    function Func7: TtkTokenKind;
    function Func9: TtkTokenKind;
    function Func10: TtkTokenKind;
    function Func11: TtkTokenKind;
    function Func13: TtkTokenKind;
    function Func15: TtkTokenKind;
    function Func16: TtkTokenKind;
    function Func17: TtkTokenKind;
    function Func19: TtkTokenKind;
    function Func21: TtkTokenKind;
    function Func22: TtkTokenKind;
    function Func23: TtkTokenKind;
    function Func24: TtkTokenKind;
    function Func25: TtkTokenKind;
    function Func26: TtkTokenKind;
    function Func27: TtkTokenKind;
    function Func28: TtkTokenKind;
    function Func29: TtkTokenKind;
    function Func30: TtkTokenKind;
    function Func31: TtkTokenKind;
    function Func32: TtkTokenKind;
    function Func33: TtkTokenKind;
    function Func34: TtkTokenKind;
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    function Func36: TtkTokenKind;
    function Func37: TtkTokenKind;
    function Func38: TtkTokenKind;
    function Func39: TtkTokenKind;
    function Func40: TtkTokenKind;
    function Func41: TtkTokenKind;
    function Func42: TtkTokenKind;
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    function Func44: TtkTokenKind;
    function Func45: TtkTokenKind;
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    function Func64: TtkTokenKind;
    function Func65: TtkTokenKind;
    function Func66: TtkTokenKind;
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    function Func68: TtkTokenKind;
    function Func69: TtkTokenKind;
    function Func70: TtkTokenKind;
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    function Func128: TtkTokenKind;
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    function Func133: TtkTokenKind;
    function Func134: TtkTokenKind;
    function Func137: TtkTokenKind;
    function Func138: TtkTokenKind;
    function Func140: TtkTokenKind;
    function Func141: TtkTokenKind;
    function Func146: TtkTokenKind;
    function Func147: TtkTokenKind;
    function Func149: TtkTokenKind;
    function Func150: TtkTokenKind;
    function Func152: TtkTokenKind;
    function Func153: TtkTokenKind;
    function Func157: TtkTokenKind;
    function Func160: TtkTokenKind;
    function Func161: TtkTokenKind;
    function Func163: TtkTokenKind;
    function Func165: TtkTokenKind;
    function Func167: TtkTokenKind;
    function Func173: TtkTokenKind;
    function Func174: TtkTokenKind;
    function Func188: TtkTokenKind;
    function Func208: TtkTokenKind;
    procedure IdentProc;
    procedure UnknownProc;
    function AltFunc: TtkTokenKind;
    procedure InitIdent;
    function IdentKind(MayBe: PChar): TtkTokenKind;
    procedure MakeMethodTables;
    procedure NullProc;
    procedure SpaceProc;
    procedure CRProc;
    procedure LFProc;
    procedure NumberProc;
    procedure PointProc;
    procedure StringOpenProc;
    procedure StringProc;
    procedure StringEndProc;
    procedure FirstCharsProc;
    procedure LastCharsProc;
    procedure CommentProc;
    procedure DebugProc;
  protected
    function GetIdentChars: TSynIdentChars; override;
    function GetSampleSource: string; override;
    function IsFilterStored: Boolean; override;

    procedure SetCodeStartPos(Value: LongInt);
    procedure SetCodeMediumPos(Value: LongInt);
    procedure SetCodeEndPos(Value: LongInt);
  public
    constructor Create(AOwner: TComponent); override;
    class function GetLanguageName: string; override;
    function GetRange: Pointer; override;
    procedure ResetRange; override;
    procedure SetRange(Value: Pointer); override;
    function GetDefaultAttribute(Index: integer): TSynHighlighterAttributes; override;
    function GetEol: Boolean; override;
    function GetTokenID: TtkTokenKind;
    procedure SetLine(NewValue: String; LineNumber: Integer); override;
    function GetToken: String; override;
    function GetTokenAttribute: TSynHighlighterAttributes; override;
    function GetTokenKind: integer; override;
    function GetTokenPos: Integer; override;
    procedure Next; override;
  published
    property CommentAttri: TSynHighlighterAttributes read fCommentAttri write fCommentAttri;
    property IdentifierAttri: TSynHighlighterAttributes read fIdentifierAttri write fIdentifierAttri;
    property AreaAIdentifierAttri: TSynHighlighterAttributes read fAIdentifierAttri write fAIdentifierAttri;
    property PreprocessorAttri: TSynHighlighterAttributes read fPreprocessorAttri write fPreprocessorAttri;
    property KeyAttri: TSynHighlighterAttributes read fKeyAttri write fKeyAttri;
    property NumberAttri: TSynHighlighterAttributes read fNumberAttri write fNumberAttri;
    property BooleanAttri: TSynHighlighterAttributes read fBooleanAttri write fBooleanAttri;
    property SpaceAttri: TSynHighlighterAttributes read fSpaceAttri write fSpaceAttri;
    property StringAttri: TSynHighlighterAttributes read fStringAttri write fStringAttri;
    property SequenceAttri: TSynHighlighterAttributes read fSequenceAttri write fSequenceAttri;
    property IndicatorAttri: TSynHighlighterAttributes read fIndicatorAttri write fIndicatorAttri;
    property TagAreaAttri: TSynHighlighterAttributes read fTagAreaAttri write fTagAreaAttri;
    property DebugLinesAttri: TSynHighlighterAttributes read fDebugLinesAttri write fDebugLinesAttri;

    property AreaAStartPos: LongInt read fCodeStartPos write SetCodeStartPos;
    property AreaBStartPos: LongInt read fCodeMediumPos write SetCodeMediumPos;
    property CodeEndPos: LongInt read fCodeEndPos write SetCodeEndPos;
  end;

implementation

uses
{$IFDEF SYN_CLX}
  QSynEditStrConst;
{$ELSE}
  SynEditStrConst;
{$ENDIF}

var
  Identifiers: array[#0..#255] of ByteBool;
  mHashTable : array[#0..#255] of Integer;

const
  StringChars: array[TRangeState] of Char = (#0, '"', '''', '=',  '"', '''');

procedure MakeIdentTable;
var
  I, J: Char;