psvcplusplus.pas

PIC 单片机 PAS SOURCE CODE SAMPLES

{*******************************************************}
{               RichEdit Syntax HighLight               }
{                     version 3.0                       }
{ Author:                                               }
{ Serhiy Perevoznyk                                     }
{ [e-mail]                          }
{                                                       }
{*******************************************************}

{-------------------------------------------------------------------------------
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.

The Original Code is: SynHighlighterCpp.pas, released 2000-04-10.
The Original Code is based on the dcjCppSyn.pas file from the
mwEdit component suite by Martin Waldenburg and other developers, the Initial
Author of this file is Michael Trier.
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: SynHighlighterCpp.pas,v 1.15 2002/01/10 15:23:13 drbrno Exp $

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

Known Issues:
-------------------------------------------------------------------------------}
{
@abstract(Provides a C++ syntax highlighter for SynEdit)
@author(Michael Trier)
@created(1998)
@lastmod(2001-11-21)
The SynHighlighterCpp unit provides SynEdit with a C++ syntax highlighter.
Thanks to Martin Waldenburg.
}

unit psvCPlusPlus;


interface

uses
  SysUtils, Windows, Messages, Classes, Controls, Graphics, 
  psvRichSyntax;

type
  TtkTokenKind = (tkAsm, tkComment, tkDirective, tkIdentifier, tkKey, tkNull,
    tkNumber, tkSpace, tkString, tkSymbol, tkUnknown,
    tkChar, tkFloat, tkHex, tkOctal); // dj

  TxtkTokenKind = (
    xtkAdd, xtkAddAssign, xtkAnd, xtkAndAssign, xtkArrow, xtkAssign,
    xtkBitComplement, xtkBraceClose, xtkBraceOpen, xtkColon, xtkComma,
    xtkDecrement, xtkDivide, xtkDivideAssign, xtkEllipse, xtkGreaterThan,
    xtkGreaterThanEqual, xtkIncOr, xtkIncOrAssign, xtkIncrement, xtkLessThan,
    xtkLessThanEqual, xtkLogAnd, xtkLogComplement, xtkLogEqual, xtkLogOr,
    xtkMod, xtkModAssign, xtkMultiplyAssign, xtkNotEqual, xtkPoint, xtkQuestion,
    xtkRoundClose, xtkRoundOpen, xtkScopeResolution, xtkSemiColon, xtkShiftLeft,
    xtkShiftLeftAssign, xtkShiftRight, xtkShiftRightAssign, xtkSquareClose,
    xtkSquareOpen, xtkStar, xtkSubtract, xtkSubtractAssign, xtkXor,
    xtkXorAssign);

  TRangeState = (rsUnknown, rsAnsiC, rsAnsiCAsm, rsAnsiCAsmBlock, rsAsm,
    rsAsmBlock, rsDirective, rsDirectiveComment, rsString34, rsString39,
    rsMultiLineString, rsMultiLineDirective); //dj

  TProcTableProc = procedure of object;

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

  TpsvCppRTF = class(TpsvRTFSyntax)
  private
    fAsmStart: Boolean;
    fRange: TRangeState;
    fLine: PChar;
    fProcTable: array[#0..#255] of TProcTableProc;
    Run: LongInt;
    fStringLen: Integer;
    fToIdent: PChar;
    fTokenPos: Integer;
    FTokenID: TtkTokenKind;
    FExtTokenID: TxtkTokenKind;
    fLineNumber: Integer;
    fIdentFuncTable: array[0..206] of TIdentFuncTableFunc;
    function KeyHash(ToHash: PChar): Integer;
    function KeyComp(const aKey: String): Boolean;
    function Func17: TtkTokenKind;
    function Func21: TtkTokenKind;
    function Func32: TtkTokenKind;
    function Func34: TtkTokenKind;
    function Func36: TtkTokenKind;
    function Func40: TtkTokenKind;
    function Func42: TtkTokenKind;
    function Func45: TtkTokenKind;
    function Func46: TtkTokenKind;
    function Func48: TtkTokenKind;
    function Func52: TtkTokenKind;
    function Func54: TtkTokenKind;
    function Func57: TtkTokenKind;
    function Func58: TtkTokenKind;
    function Func59: TtkTokenKind;
    function Func60: TtkTokenKind;
    function Func61: TtkTokenKind;
    function Func62: TtkTokenKind;
    function Func64: TtkTokenKind;
    function Func65: TtkTokenKind;
    function Func66: TtkTokenKind;
    function Func67: TtkTokenKind;
    function Func68: TtkTokenKind;
    function Func69: TtkTokenKind;
    function Func71: TtkTokenKind;
    function Func74: TtkTokenKind;
    function Func75: TtkTokenKind;
    function Func76: TtkTokenKind;
    function Func78: TtkTokenKind;
    function Func79: TtkTokenKind;
    function Func81: TtkTokenKind;
    function Func82: TtkTokenKind;
    function Func85: TtkTokenKind;
    function Func86: TtkTokenKind;
    function Func88: TtkTokenKind;
    function Func89: TtkTokenKind;
    function Func92: TtkTokenKind;
    function Func97: TtkTokenKind;
    function Func98: TtkTokenKind;
    function Func100: TtkTokenKind;
    function Func101: TtkTokenKind;
    function Func102: TtkTokenKind;
    function Func104: TtkTokenKind;
    function Func105: TtkTokenKind;
    function Func106: TtkTokenKind;
    function Func107: TtkTokenKind;
    function Func109: TtkTokenKind;
    function Func110: TtkTokenKind;
    function Func115: TtkTokenKind;
    function Func116: TtkTokenKind;
    function Func123: TtkTokenKind;
    function Func125: TtkTokenKind;
    function Func141: TtkTokenKind;
    function Func206: TtkTokenKind;
    procedure AnsiCProc;
    procedure AndSymbolProc;
    procedure AsciiCharProc;
    procedure AtSymbolProc;
    procedure BraceCloseProc;
    procedure BraceOpenProc;
    procedure CRProc;
    procedure ColonProc;
    procedure CommaProc;
    procedure DirectiveProc;
    procedure DirectiveEndProc; //dj
    procedure EqualProc;
    procedure GreaterProc;
    procedure IdentProc;
    procedure LFProc;
    procedure LowerProc;
    procedure MinusProc;
    procedure ModSymbolProc;
    procedure NotSymbolProc;
    procedure NullProc;
    procedure NumberProc;
    procedure OrSymbolProc;
    procedure PlusProc;
    procedure PointProc;
    procedure QuestionProc;
    procedure RoundCloseProc;
    procedure RoundOpenProc;
    procedure SemiColonProc;
    procedure SlashProc;
    procedure SpaceProc;
    procedure SquareCloseProc;
    procedure SquareOpenProc;
    procedure StarProc;
    procedure StringProc;
    procedure TildeProc;
    procedure XOrSymbolProc;
    procedure UnknownProc;
    function AltFunc: TtkTokenKind;
    procedure InitIdent;
    function IdentKind(MayBe: PChar): TtkTokenKind;
    procedure MakeMethodTables;
    procedure StringEndProc;
  protected
    function GetExtTokenID: TxtkTokenKind;
    function GetEol: Boolean; override;
    function GetRange: Pointer;
    function GetTokenID: TtkTokenKind;
    procedure SetLine(NewValue: String; LineNumber:Integer); override;
    function GetToken: String; override;
    function GetTokenAttribute: integer; override;
    function GetTokenKind: integer;
    function GetTokenPos: Integer;
    procedure Next; override;
    procedure SetRange(Value: Pointer);
    procedure ResetRange;
    property ExtTokenID: TxtkTokenKind read GetExtTokenID;
    procedure PrepareToken(var AToken : string); override;
    function PrepareOutput(Attr: integer; AToken : string): string;   override;
  public
    constructor Create; override;
    procedure SetupDefaultColors; override;
  end;

implementation


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

procedure MakeIdentTable;
var
  I: Char;
begin
  for I := #0 to #255 do
  begin
    Case I of
      '_', '0'..'9', 'a'..'z', 'A'..'Z': Identifiers[I] := True;
    else Identifiers[I] := False;
    end;
    Case I in['_', 'a'..'z', 'A'..'Z'] of
      True:
        begin
          if (I > #64) and (I < #91) then mHashTable[I] := Ord(I) - 64 else
            if (I > #96) then mHashTable[I] := Ord(I) - 95;
        end;
    else mHashTable[I] := 0;
    end;
  end;
end;

procedure TpsvCppRTF.InitIdent;
var
  I: Integer;
  pF: PIdentFuncTableFunc;
begin
  pF := PIdentFuncTableFunc(@fIdentFuncTable);
  for I := Low(fIdentFuncTable) to High(fIdentFuncTable) do begin
    pF^ := AltFunc;
    Inc(pF);
  end;
  fIdentFuncTable[17] := Func17;
  fIdentFuncTable[21] := Func21;
  fIdentFuncTable[32] := Func32;
  fIdentFuncTable[34] := Func34;
  fIdentFuncTable[36] := Func36;
  fIdentFuncTable[40] := Func40;
  fIdentFuncTable[42] := Func42;
  fIdentFuncTable[45] := Func45;
  fIdentFuncTable[46] := Func46;
  fIdentFuncTable[48] := Func48;
  fIdentFuncTable[52] := Func52;
  fIdentFuncTable[54] := Func54;
  fIdentFuncTable[57] := Func57;
  fIdentFuncTable[58] := Func58;
  fIdentFuncTable[59] := Func59;
  fIdentFuncTable[60] := Func60;
  fIdentFuncTable[61] := Func61;
  fIdentFuncTable[62] := Func62;
  fIdentFuncTable[64] := Func64;
  fIdentFuncTable[65] := Func65;
  fIdentFuncTable[66] := Func66;
  fIdentFuncTable[67] := Func67;
  fIdentFuncTable[68] := Func68;
  fIdentFuncTable[69] := Func69;
  fIdentFuncTable[71] := Func71;
  fIdentFuncTable[74] := Func74;
  fIdentFuncTable[75] := Func75;
  fIdentFuncTable[76] := Func76;
  fIdentFuncTable[78] := Func78;
  fIdentFuncTable[79] := Func79;
  fIdentFuncTable[81] := Func81;
  fIdentFuncTable[82] := Func82;
  fIdentFuncTable[85] := Func85;
  fIdentFuncTable[86] := Func86;
  fIdentFuncTable[88] := Func88;
  fIdentFuncTable[89] := Func89;
  fIdentFuncTable[92] := Func92;
  fIdentFuncTable[97] := Func97;
  fIdentFuncTable[98] := Func98;
  fIdentFuncTable[100] := Func100;
  fIdentFuncTable[101] := Func101;
  fIdentFuncTable[102] := Func102;
  fIdentFuncTable[104] := Func104;
  fIdentFuncTable[105] := Func105;
  fIdentFuncTable[106] := Func106;
  fIdentFuncTable[107] := Func107;
  fIdentFuncTable[109] := Func109;
  fIdentFuncTable[110] := Func110;
  fIdentFuncTable[115] := Func115;
  fIdentFuncTable[116] := Func116;
  fIdentFuncTable[123] := Func123;
  fIdentFuncTable[125] := Func125;
  fIdentFuncTable[141] := Func141;
  fIdentFuncTable[206] := Func206;
end;

function TpsvCppRTF.KeyHash(ToHash: PChar): Integer;
begin
  Result := 0;
  while ToHash^ in ['_', '0'..'9', 'a'..'z', 'A'..'Z'] do
  begin
    inc(Result, mHashTable[ToHash^]);
    inc(ToHash);
  end;
  fStringLen := ToHash - fToIdent;
end; { KeyHash }

function TpsvCppRTF.KeyComp(const aKey: String): Boolean;
var
  I: Integer;
  Temp: PChar;
begin
  Temp := fToIdent;
  if Length(aKey) = fStringLen then
  begin
    Result := True;
    for i := 1 to fStringLen do
    begin
      if Temp^ <> aKey[i] then
      begin
        Result := False;
        break;
      end;
      inc(Temp);
    end;
  end else Result := False;
end; { KeyComp }

function TpsvCppRTF.Func17: TtkTokenKind;
begin
  if KeyComp('if') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func21: TtkTokenKind;
begin
  if KeyComp('do') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func32: TtkTokenKind;
begin
  if KeyComp('cdecl') then Result := tkKey else
    if KeyComp('case') then Result := tkKey else
      if KeyComp('_cdecl') then Result := tkKey else
        if KeyComp('__cdecl') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func34: TtkTokenKind;
begin
  if KeyComp('char') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func36: TtkTokenKind;
begin
  if KeyComp('asm') or KeyComp('_asm') or KeyComp('__asm') then
  begin
    Result := tkKey;
    fRange := rsAsm;
    fAsmStart := True;
  end else
    Result := tkIdentifier;
end;

function TpsvCppRTF.Func40: TtkTokenKind;
begin
  if KeyComp('catch') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func42: TtkTokenKind;
begin
  if KeyComp('for') then Result := tkKey else
    if KeyComp('break') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func45: TtkTokenKind;
begin
  if KeyComp('else') then Result := tkKey else
    if KeyComp('new') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func46: TtkTokenKind;
begin
  if KeyComp('__int8') then Result := tkKey else
    if KeyComp('__int16') then Result := tkKey else
      if KeyComp('int') then Result := tkKey else
        if KeyComp('__int32') then Result := tkKey else
          if KeyComp('__int64') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func48: TtkTokenKind;
begin
  if KeyComp('false') then Result := tkKey else
    if KeyComp('bool') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func52: TtkTokenKind;
begin
  if KeyComp('long') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func54: TtkTokenKind;
begin
  if KeyComp('void') then Result := tkKey else Result := tkIdentifier;
end;

function TpsvCppRTF.Func57: TtkTokenKind;