org.mozilla.javascript.Token#BLOCK

Source File: ForInLoop.java From JsDroidCmd with Mozilla Public License 2.0

6 votes

@Override
public String toSource(int depth) {
    StringBuilder sb = new StringBuilder();
    sb.append(makeIndent(depth));
    sb.append("for ");
    if (isForEach()) {
        sb.append("each ");
    }
    sb.append("(");
    sb.append(iterator.toSource(0));
    if (isForOf) {
        sb.append(" of ");
    } else {
        sb.append(" in ");
    }
    sb.append(iteratedObject.toSource(0));
    sb.append(") ");
    if (body.getType() == Token.BLOCK) {
        sb.append(body.toSource(depth).trim()).append("\n");
    } else {
        sb.append("\n").append(body.toSource(depth+1));
    }
    return sb.toString();
}

Source File: ForLoop.java From astor with GNU General Public License v2.0

6 votes

@Override
public String toSource(int depth) {
    StringBuilder sb = new StringBuilder();
    sb.append(makeIndent(depth));
    sb.append("for (");
    sb.append(initializer.toSource(0));
    sb.append("; ");
    sb.append(condition.toSource(0));
    sb.append("; ");
    sb.append(increment.toSource(0));
    sb.append(") ");
    if (body.getType() == Token.BLOCK) {
        sb.append(body.toSource(depth).trim()).append("\n");
    } else {
        sb.append("\n").append(body.toSource(depth+1));
    }
    return sb.toString();
}

Source File: ForLoop.java From JsDroidCmd with Mozilla Public License 2.0

6 votes

@Override
public String toSource(int depth) {
    StringBuilder sb = new StringBuilder();
    sb.append(makeIndent(depth));
    sb.append("for (");
    sb.append(initializer.toSource(0));
    sb.append("; ");
    sb.append(condition.toSource(0));
    sb.append("; ");
    sb.append(increment.toSource(0));
    sb.append(") ");
    if (body.getType() == Token.BLOCK) {
        sb.append(body.toSource(depth).trim()).append("\n");
    } else {
        sb.append("\n").append(body.toSource(depth+1));
    }
    return sb.toString();
}

Source File: ForInLoop.java From astor with GNU General Public License v2.0

6 votes

@Override
public String toSource(int depth) {
    StringBuilder sb = new StringBuilder();
    sb.append(makeIndent(depth));
    sb.append("for ");
    if (isForEach()) {
        sb.append("each ");
    }
    sb.append("(");
    sb.append(iterator.toSource(0));
    sb.append(" in ");
    sb.append(iteratedObject.toSource(0));
    sb.append(") ");
    if (body.getType() == Token.BLOCK) {
        sb.append(body.toSource(depth).trim()).append("\n");
    } else {
        sb.append("\n").append(body.toSource(depth+1));
    }
    return sb.toString();
}

Source File: ExpressionParserUtility.java From birt with Eclipse Public License 1.0

5 votes

/**
 * compile the expression from a script tree
 * 
 * @param expression
 * @param context
 * @param tree
 * @param columnExprList
 * @throws BirtException
 */
private void CompiledExprFromTree( String expression, Context context,
		ScriptNode tree, List columnExprList ) throws BirtException
{
	if ( tree.getFirstChild( ) == tree.getLastChild( ) )
	{
		if ( tree.getFirstChild( ).getType( ) == Token.FUNCTION )
		{
			int index = getFunctionIndex( tree.getFirstChild( ).getString( ),
					tree );
			compileFunctionNode( tree.getFunctionNode( index ),
					tree,
					columnExprList );
		}
		else
		{
			// A single expression
			if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT
					&& tree.getFirstChild( ).getType( ) != Token.EXPR_VOID
					&& tree.getFirstChild( ).getType( ) != Token.BLOCK
					&& tree.getFirstChild( ).getType( ) != Token.SCRIPT)
			{
				// This should never happen?
				throw new CoreException( pluginId,
						ResourceConstants.INVALID_EXPRESSION );
			}
			Node exprNode = tree.getFirstChild( );
			processChild( exprNode, tree, columnExprList );
		}
	}
	else
	{
		compileComplexExpr( tree, tree, columnExprList );
	}
}

Source File: WithStatement.java From astor with GNU General Public License v2.0

5 votes

@Override
public String toSource(int depth) {
    StringBuilder sb = new StringBuilder();
    sb.append(makeIndent(depth));
    sb.append("with (");
    sb.append(expression.toSource(0));
    sb.append(") ");
    if (statement.getType() == Token.BLOCK) {
        sb.append(statement.toSource(depth).trim());
        sb.append("\n");
    } else {
        sb.append("\n").append(statement.toSource(depth + 1));
    }
    return sb.toString();
}

Source File: IfStatement.java From astor with GNU General Public License v2.0

5 votes

@Override
public String toSource(int depth) {
    String pad = makeIndent(depth);
    StringBuilder sb = new StringBuilder(32);
    sb.append(pad);
    sb.append("if (");
    sb.append(condition.toSource(0));
    sb.append(") ");
    if (thenPart.getType() != Token.BLOCK) {
        sb.append("\n").append(makeIndent(depth + 1));
    }
    sb.append(thenPart.toSource(depth).trim());
    if (elsePart != null) {
        if (thenPart.getType() != Token.BLOCK) {
            sb.append("\n").append(pad).append("else ");
        } else {
            sb.append(" else ");
        }
        if (elsePart.getType() != Token.BLOCK
                && elsePart.getType() != Token.IF) {
            sb.append("\n").append(makeIndent(depth + 1));
        }
        sb.append(elsePart.toSource(depth).trim());
    }
    sb.append("\n");
    return sb.toString();
}

Source File: WhileLoop.java From astor with GNU General Public License v2.0

5 votes

@Override
public String toSource(int depth) {
    StringBuilder sb = new StringBuilder();
    sb.append(makeIndent(depth));
    sb.append("while (");
    sb.append(condition.toSource(0));
    sb.append(") ");
    if (body.getType() == Token.BLOCK) {
        sb.append(body.toSource(depth).trim());
        sb.append("\n");
    } else {
        sb.append("\n").append(body.toSource(depth+1));
    }
    return sb.toString();
}

Source File: WithStatement.java From JsDroidCmd with Mozilla Public License 2.0

5 votes

@Override
public String toSource(int depth) {
    StringBuilder sb = new StringBuilder();
    sb.append(makeIndent(depth));
    sb.append("with (");
    sb.append(expression.toSource(0));
    sb.append(") ");
    if (statement.getType() == Token.BLOCK) {
        sb.append(statement.toSource(depth).trim());
        sb.append("\n");
    } else {
        sb.append("\n").append(statement.toSource(depth + 1));
    }
    return sb.toString();
}

Source File: IfStatement.java From JsDroidCmd with Mozilla Public License 2.0

5 votes

@Override
public String toSource(int depth) {
    String pad = makeIndent(depth);
    StringBuilder sb = new StringBuilder(32);
    sb.append(pad);
    sb.append("if (");
    sb.append(condition.toSource(0));
    sb.append(") ");
    if (thenPart.getType() != Token.BLOCK) {
        sb.append("\n").append(makeIndent(depth + 1));
    }
    sb.append(thenPart.toSource(depth).trim());
    if (elsePart != null) {
        if (thenPart.getType() != Token.BLOCK) {
            sb.append("\n").append(pad).append("else ");
        } else {
            sb.append(" else ");
        }
        if (elsePart.getType() != Token.BLOCK
                && elsePart.getType() != Token.IF) {
            sb.append("\n").append(makeIndent(depth + 1));
        }
        sb.append(elsePart.toSource(depth).trim());
    }
    sb.append("\n");
    return sb.toString();
}

Source File: WhileLoop.java From JsDroidCmd with Mozilla Public License 2.0

5 votes

@Override
public String toSource(int depth) {
    StringBuilder sb = new StringBuilder();
    sb.append(makeIndent(depth));
    sb.append("while (");
    sb.append(condition.toSource(0));
    sb.append(") ");
    if (body.getType() == Token.BLOCK) {
        sb.append(body.toSource(depth).trim());
        sb.append("\n");
    } else {
        sb.append("\n").append(body.toSource(depth+1));
    }
    return sb.toString();
}

Source File: AstNode.java From astor with GNU General Public License v2.0

4 votes

public boolean hasSideEffects()
{
    switch (getType()) {
      case Token.ASSIGN:
      case Token.ASSIGN_ADD:
      case Token.ASSIGN_BITAND:
      case Token.ASSIGN_BITOR:
      case Token.ASSIGN_BITXOR:
      case Token.ASSIGN_DIV:
      case Token.ASSIGN_LSH:
      case Token.ASSIGN_MOD:
      case Token.ASSIGN_MUL:
      case Token.ASSIGN_RSH:
      case Token.ASSIGN_SUB:
      case Token.ASSIGN_URSH:
      case Token.BLOCK:
      case Token.BREAK:
      case Token.CALL:
      case Token.CATCH:
      case Token.CATCH_SCOPE:
      case Token.CONST:
      case Token.CONTINUE:
      case Token.DEC:
      case Token.DELPROP:
      case Token.DEL_REF:
      case Token.DO:
      case Token.ELSE:
      case Token.ENTERWITH:
      case Token.ERROR:         // Avoid cascaded error messages
      case Token.EXPORT:
      case Token.EXPR_RESULT:
      case Token.FINALLY:
      case Token.FUNCTION:
      case Token.FOR:
      case Token.GOTO:
      case Token.IF:
      case Token.IFEQ:
      case Token.IFNE:
      case Token.IMPORT:
      case Token.INC:
      case Token.JSR:
      case Token.LABEL:
      case Token.LEAVEWITH:
      case Token.LET:
      case Token.LETEXPR:
      case Token.LOCAL_BLOCK:
      case Token.LOOP:
      case Token.NEW:
      case Token.REF_CALL:
      case Token.RETHROW:
      case Token.RETURN:
      case Token.RETURN_RESULT:
      case Token.SEMI:
      case Token.SETELEM:
      case Token.SETELEM_OP:
      case Token.SETNAME:
      case Token.SETPROP:
      case Token.SETPROP_OP:
      case Token.SETVAR:
      case Token.SET_REF:
      case Token.SET_REF_OP:
      case Token.SWITCH:
      case Token.TARGET:
      case Token.THROW:
      case Token.TRY:
      case Token.VAR:
      case Token.WHILE:
      case Token.WITH:
      case Token.WITHEXPR:
      case Token.YIELD:
        return true;

      default:
        return false;
    }
}

Source File: AbstractExpressionCompiler.java From birt with Eclipse Public License 1.0

4 votes

/**
 * process the script tree to produce a <code>CompiledExpression</code>
 * 
 * @param expression
 * @param tree
 * @param context
 * @return @throws
 *         DataException
 */
private CompiledExpression processScriptTree( String expression,
		ScriptNode tree, Context context ) throws DataException

{
	CompiledExpression expr;
	if ( tree.getFirstChild( ) == tree.getLastChild( ) )
	{
		if( tree.getFirstChild( ) == null )
			throw new DataException( "Expression parse error: first child is null. The expression is " + expression,
					expression );
		// A single expression
		if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT
				&& tree.getFirstChild( ).getType( ) != Token.EXPR_VOID
				&& tree.getFirstChild( ).getType( ) != Token.BLOCK )
		{
			// This should never happen?
			throw new DataException( ResourceConstants.INVALID_JS_EXPR,
					expression );
		}
		Node child, parent = tree;
		Node exprNode = parent.getFirstChild( );
		child = exprNode.getFirstChild( );
		if ( child.getNext( ) != null )
			child = exprNode;
		else
		{
			parent = exprNode;
		}
		assert ( child != null && parent != null );
		expr = processChild( context, false, parent, child, tree );
	}
	else
	{
		// complex expressions
		// Multiple expressions exist; we should produce complex expressions
		// However, individual subexpressions still needs to be processed
		// to identify the interesting subexpressions
		expr = compileComplexExpr( context, tree, false );
	}
	if ( expr instanceof BytecodeExpression )
		compileForBytecodeExpr( context, tree, expr );
	return expr;
}

Source File: ExpressionUtility.java From birt with Eclipse Public License 1.0

4 votes

/**
 * whether the expression is column reference
 * @param expression
 * @return
 */
public static boolean isColumnExpression( String expression, boolean mode )
{
	boolean isColumn = false;
	if ( expression == null || expression.trim( ).length( ) == 0 )
		return isColumn;
	if ( getCompiledExpCacheMap( mode ).containsKey( expression ) )
	{
		return ( (Boolean)  getCompiledExpCacheMap( mode ).get( expression ) ).booleanValue( );
	}
	Context context = Context.enter( );
	ScriptNode tree;
	try
	{
		CompilerEnvirons m_compilerEnv = new CompilerEnvirons( );
		m_compilerEnv.initFromContext( context );
		Parser p = new Parser( m_compilerEnv, context.getErrorReporter( ) );
		AstRoot root = p.parse( expression, null, 0 );
		IRFactory ir = new IRFactory( m_compilerEnv );
		tree = ir.transformTree( root );
	}
	catch ( Exception e )
	{
		getCompiledExpCacheMap( mode ).put( expression,
				Boolean.valueOf( false ) );
		return false;
	}
	finally
	{
		Context.exit( );
	}

	if ( tree.getFirstChild( ) == tree.getLastChild( ) )
	{
		// A single expression
		if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT
				&& tree.getFirstChild( ).getType( ) != Token.EXPR_VOID
				&& tree.getFirstChild( ).getType( ) != Token.BLOCK )
		{
			isColumn = false;
		}
		Node exprNode = tree.getFirstChild( );
		Node child = exprNode.getFirstChild( );
		assert ( child != null );
		if ( child.getType( ) == Token.GETELEM
				|| child.getType( ) == Token.GETPROP )
			isColumn = getDirectColRefExpr( child, mode );
		else
			isColumn = false;
	}
	else
	{
		isColumn = false;
	}
	getCompiledExpCacheMap( mode ).put( expression,
			Boolean.valueOf( isColumn ) );
	return isColumn;
}

Source File: ExpressionUtility.java From birt with Eclipse Public License 1.0

4 votes

/**
 * whether the expression is column reference
 * @param expression
 * @return
 */
public static boolean isColumnExpression( String expression, boolean mode )
{
	boolean isColumn = false;
	if ( expression == null || expression.trim( ).length( ) == 0 )
		return isColumn;
	if ( getCompiledExpCacheMap( mode ).containsKey( expression ) )
	{
		return ( (Boolean)  getCompiledExpCacheMap( mode ).get( expression ) ).booleanValue( );
	}
	Context context = Context.enter( );
	ScriptNode tree;
	try
	{
		CompilerEnvirons m_compilerEnv = new CompilerEnvirons( );
		m_compilerEnv.initFromContext( context );
		Parser p = new Parser( m_compilerEnv, context.getErrorReporter( ) );
		AstRoot root = p.parse( expression, null, 0 );
		IRFactory ir = new IRFactory( m_compilerEnv );
		tree = ir.transformTree( root );
	}
	catch ( Exception e )
	{
		getCompiledExpCacheMap( mode ).put( expression,
				Boolean.valueOf( false ) );
		return false;
	}
	finally
	{
		Context.exit( );
	}

	if ( tree.getFirstChild( ) == tree.getLastChild( ) )
	{
		// A single expression
		if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT
				&& tree.getFirstChild( ).getType( ) != Token.EXPR_VOID
				&& tree.getFirstChild( ).getType( ) != Token.BLOCK )
		{
			isColumn = false;
		}
		Node exprNode = tree.getFirstChild( );
		Node child = exprNode.getFirstChild( );
		assert ( child != null );
		if ( child.getType( ) == Token.GETELEM
				|| child.getType( ) == Token.GETPROP )
			isColumn = getDirectColRefExpr( child, mode );
		else
			isColumn = false;
	}
	else
	{
		isColumn = false;
	}
	getCompiledExpCacheMap( mode ).put( expression,
			Boolean.valueOf( isColumn ) );
	return isColumn;
}

Source File: ExpressionUtility.java From birt with Eclipse Public License 1.0

4 votes

/**
 * whether the expression is column reference
 * 
 * @param expression
 * @return
 */
public static boolean isColumnExpression( String expression )
{
	boolean isColumn = false;
	if ( expression == null || expression.trim( ).length( ) == 0 )
		return isColumn;
	if ( compiledExprCache.containsKey( expression ) )
		return ( (Boolean) compiledExprCache.get( expression ) ).booleanValue( );
	Context context = Context.enter( );
	ScriptNode tree;
	try
	{
		CompilerEnvirons m_compilerEnv = new CompilerEnvirons( );
		m_compilerEnv.initFromContext( context );
		Parser p = new Parser( m_compilerEnv, context.getErrorReporter( ) );
		AstRoot root = p.parse( expression, null, 0 );
		IRFactory ir = new IRFactory( m_compilerEnv );
		tree = ir.transformTree( root );
	}
	catch ( Exception e )
	{
		compiledExprCache.put( expression, Boolean.valueOf( false ) );
		return false;
	}
	finally
	{
		Context.exit( );
	}

	if ( tree.getFirstChild( ) == tree.getLastChild( ) )
	{
		// A single expression
		if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT
				&& tree.getFirstChild( ).getType( ) != Token.EXPR_VOID
				&& tree.getFirstChild( ).getType( ) != Token.BLOCK )
		{
			isColumn = false;
		}
		Node exprNode = tree.getFirstChild( );
		Node child = exprNode.getFirstChild( );
		assert ( child != null );
		if ( child.getType( ) == Token.GETELEM
				|| child.getType( ) == Token.GETPROP )
			isColumn = getDirectColRefExpr( child );
		else
			isColumn = false;
	}
	else
	{
		isColumn = false;
	}

	compiledExprCache.put( expression, Boolean.valueOf( isColumn ) );
	return isColumn;
}

Source File: AstNode.java From JsDroidCmd with Mozilla Public License 2.0

4 votes

@Override
public boolean hasSideEffects()
{
    switch (getType()) {
      case Token.ASSIGN:
      case Token.ASSIGN_ADD:
      case Token.ASSIGN_BITAND:
      case Token.ASSIGN_BITOR:
      case Token.ASSIGN_BITXOR:
      case Token.ASSIGN_DIV:
      case Token.ASSIGN_LSH:
      case Token.ASSIGN_MOD:
      case Token.ASSIGN_MUL:
      case Token.ASSIGN_RSH:
      case Token.ASSIGN_SUB:
      case Token.ASSIGN_URSH:
      case Token.BLOCK:
      case Token.BREAK:
      case Token.CALL:
      case Token.CATCH:
      case Token.CATCH_SCOPE:
      case Token.CONST:
      case Token.CONTINUE:
      case Token.DEC:
      case Token.DELPROP:
      case Token.DEL_REF:
      case Token.DO:
      case Token.ELSE:
      case Token.ENTERWITH:
      case Token.ERROR:         // Avoid cascaded error messages
      case Token.EXPORT:
      case Token.EXPR_RESULT:
      case Token.FINALLY:
      case Token.FUNCTION:
      case Token.FOR:
      case Token.GOTO:
      case Token.IF:
      case Token.IFEQ:
      case Token.IFNE:
      case Token.IMPORT:
      case Token.INC:
      case Token.JSR:
      case Token.LABEL:
      case Token.LEAVEWITH:
      case Token.LET:
      case Token.LETEXPR:
      case Token.LOCAL_BLOCK:
      case Token.LOOP:
      case Token.NEW:
      case Token.REF_CALL:
      case Token.RETHROW:
      case Token.RETURN:
      case Token.RETURN_RESULT:
      case Token.SEMI:
      case Token.SETELEM:
      case Token.SETELEM_OP:
      case Token.SETNAME:
      case Token.SETPROP:
      case Token.SETPROP_OP:
      case Token.SETVAR:
      case Token.SET_REF:
      case Token.SET_REF_OP:
      case Token.SWITCH:
      case Token.TARGET:
      case Token.THROW:
      case Token.TRY:
      case Token.VAR:
      case Token.WHILE:
      case Token.WITH:
      case Token.WITHEXPR:
      case Token.YIELD:
        return true;

      default:
        return false;
    }
}

Java Code Examples for org.mozilla.javascript.Token#BLOCK