Package analyzer

Examples of analyzer.SyntaxTree.appendChild()

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  private SyntaxTree statementIf(){
   
    SyntaxTree node = new SyntaxTree( SyntaxType.Tree.STATEMENT, SyntaxType.StatementKind.IF, this.currentToken );
   
    this.match( TokenType.Element.IF );
    node.appendChild( this.expression() );
   
    this.match( TokenType.Element.THEN );
    node.appendChild( this.statementSequence() );
   
    if( this.currentToken.getType() == TokenType.Element.ELSE ){
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    this.match( TokenType.Element.IF );
    node.appendChild( this.expression() );
   
    this.match( TokenType.Element.THEN );
    node.appendChild( this.statementSequence() );
   
    if( this.currentToken.getType() == TokenType.Element.ELSE ){
     
      this.match( TokenType.Element.ELSE );
      node.appendChild( this.statementSequence() );
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    node.appendChild( this.statementSequence() );
   
    if( this.currentToken.getType() == TokenType.Element.ELSE ){
     
      this.match( TokenType.Element.ELSE );
      node.appendChild( this.statementSequence() );
    }
   
    this.match( TokenType.Element.END );
    return node;
  }
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  private SyntaxTree statementRepeat(){
   
    SyntaxTree node = new SyntaxTree( SyntaxType.Tree.STATEMENT, SyntaxType.StatementKind.REPEAT, this.currentToken );
   
    this.match( TokenType.Element.REPEAT );
    node.appendChild( this.statementSequence() );
   
    this.match( TokenType.Element.UNTIL );
    node.appendChild( this.expression() );
   
    return node;
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    this.match( TokenType.Element.REPEAT );
    node.appendChild( this.statementSequence() );
   
    this.match( TokenType.Element.UNTIL );
    node.appendChild( this.expression() );
   
    return node;
  }
 
  /*
 
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    SyntaxTree node = new SyntaxTree( SyntaxType.Tree.STATEMENT, SyntaxType.StatementKind.ATTRIBUTION, this.currentToken );
   
    this.match( TokenType.Element.IDENTIFIER );   
    this.match( TokenType.Element.ATTRIBUTION );
    node.appendChild( this.expression() );
   
    return node;
  }
 
  /*
 
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  private SyntaxTree statementWrite(){
   
    SyntaxTree node = new SyntaxTree( SyntaxType.Tree.STATEMENT, SyntaxType.StatementKind.WRITE, this.currentToken );
   
    this.match( TokenType.Element.WRITE );
    node.appendChild( this.expression() );
   
    return node;
  }
 
  /*
 
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    TokenType.Element type = this.currentToken.getType();
   
    while( type == TokenType.Element.LESS_THAN || type == TokenType.Element.EQUALS ){
     
      SyntaxTree child = new SyntaxTree( SyntaxType.Tree.EXPRESSION, SyntaxType.ExpressionKind.OPERATION, this.currentToken );
      child.appendChild( node );
      node = child;
      this.match( type );
      node.appendChild( this.simpleExpression() );
     
      type = this.currentToken.getType();
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    TokenType.Element type = this.currentToken.getType();
   
    while( type == TokenType.Element.PLUS || type == TokenType.Element.MINUS ){
     
      SyntaxTree child = new SyntaxTree( SyntaxType.Tree.EXPRESSION, SyntaxType.ExpressionKind.OPERATION, this.currentToken );
      child.appendChild( node );
      node = child;
      this.match( type );
      node.appendChild( this.term() );
     
      type = this.currentToken.getType();
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    TokenType.Element type = this.currentToken.getType();
   
    while( type == TokenType.Element.MULTIPLICATION || type == TokenType.Element.DIVISION ){
     
      SyntaxTree child = new SyntaxTree( SyntaxType.Tree.EXPRESSION, SyntaxType.ExpressionKind.OPERATION, this.currentToken );
      child.appendChild( node );
      node = child;
      this.match( type );
      child.appendChild( this.factor() );
     
      type = this.currentToken.getType();
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