162 lines
3.6 KiB
ObjectPascal
162 lines
3.6 KiB
ObjectPascal
// ============================================================================
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// This file is generated by the Delphi Parser Generator.
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// ----------------------------------------------------------------------------
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// DPG version: 2.1.0.0r
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// Grammar: dpglib.tokenParser.g
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// ============================================================================
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unit dpglib.TokenParser;
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interface
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uses
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System.Classes,
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dpglib.StringSymbol,
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dpglib.TokenParserTokens,
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dpglib.TokenSymbol,
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dpglib.Types,
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dpgrtl.llkparser,
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dpgrtl.types,
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System.SysUtils;
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type
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// =========================================================================
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// Class TTokenParser declaration
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// =========================================================================
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TTokenParser = class( TLLkParser)
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public // Public grammar rules
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procedure tokenFile ( tm:ITokenManager);
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procedure tokenLine ( tm:ITokenManager);
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end;
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implementation
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uses
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dpgrtl.exception,
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dpgrtl.token;
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// ============================================================================
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// tokenFile
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// ============================================================================
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procedure TTokenParser.tokenFile( tm:ITokenManager);
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var
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name: IToken;
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begin
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name := LT(1);
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match(TT_ID);
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while(true) do
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begin
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if (( LA(1) in [TT_STRING,TT_ID])) then
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begin
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tokenLine(tm);
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end
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else
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break;
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end;
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end;
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// ============================================================================
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// tokenLine
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// ============================================================================
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procedure TTokenParser.tokenLine( tm:ITokenManager);
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var
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i: IToken;
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id: IToken;
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id2: IToken;
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lab: IToken;
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para: IToken;
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s1: IToken;
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s2: IToken;
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t : IToken;
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s : IToken;
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v : integer;
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sl: IStringSymbol;
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ts: ITokenSymbol;
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x : AnsiString;
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begin
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t := nil;
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s := nil;
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if (( LA(1) in [TT_STRING])) then
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begin
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s1 := LT(1);
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match(TT_STRING);
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s := s1;
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end
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else if (( LA(1) in [TT_ID]) and (LA(2) in [TT_ASSIGN]) and (LA(3) in [TT_STRING])) then
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begin
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lab := LT(1);
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match(TT_ID);
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t := lab;
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match(TT_ASSIGN);
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s2 := LT(1);
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match(TT_STRING);
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s := s2;
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end
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else if (( LA(1) in [TT_ID]) and (LA(2) in [TT_LPAREN])) then
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begin
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id := LT(1);
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match(TT_ID);
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t := id;
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match(TT_LPAREN);
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para := LT(1);
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match(TT_STRING);
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match(TT_RPAREN);
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end
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else if (( LA(1) in [TT_ID]) and (LA(2) in [TT_ASSIGN]) and (LA(3) in [TT_INT])) then
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begin
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id2 := LT(1);
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match(TT_ID);
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t := id2;
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end
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else
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Raise EMismatchedToken.Create( LT(1), [TT_STRING,TT_ID], InputState.FileName);
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match(TT_ASSIGN);
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i := LT(1);
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match(TT_INT);
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v := StrToIntDef( i.TokenText, -1);
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if s <> nil then
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begin
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ts := TStringSymbol.Create( s.TokenText);
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ts.TokenType := v;
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tm.Define(ts);
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if t <> nil then
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begin
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ts := tm.TokenSymbol[s.TokenText];
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ts.QueryInterface( IStringSymbol, sl);
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sl.Lbl := t.TokenText;
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tm.MapToTokenSymbol( t.TokenText, sl);
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end;
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end
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else if t <> nil then
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begin
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x := Copy( t.TokenText, 4, Length( t.TokenText)-3);
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ts := TTokenSymbol.Create( x);
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ts.TokenType := v;
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tm.Define( ts);
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if para <> nil then
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begin
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ts := tm.TokenSymbol[ t.TokenText];
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ts.Paraphrase := para.TokenText;
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end;
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end;
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end;
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end.
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