AST.JLS* constants
-
- * @return a list of property descriptors (element type:
- * {@link StructuralPropertyDescriptor})
- * @since 3.0
- */
- public static List propertyDescriptors(int apiLevel) {
- return PROPERTY_DESCRIPTORS;
- }
-
- /**
- * The token string; defaults to the integer literal "0".
- */
- private String tokenValue = "0";//$NON-NLS-1$
-
- /**
- * Creates a new unparented number literal node owned by the given AST.
- * By default, the number literal is the token "0".
- * - * N.B. This constructor is package-private. - *
- * - * @param ast the AST that is to own this node - */ - NumberLiteral(AST ast) { - super(ast); - } - - /* (omit javadoc for this method) - * Method declared on ASTNode. - */ - final List internalStructuralPropertiesForType(int apiLevel) { - return propertyDescriptors(apiLevel); - } - - /* (omit javadoc for this method) - * Method declared on ASTNode. - */ - final Object internalGetSetObjectProperty(SimplePropertyDescriptor property, boolean get, Object value) { - if (property == TOKEN_PROPERTY) { - if (get) { - return getToken(); - } else { - setToken((String) value); - return null; - } - } - // allow default implementation to flag the error - return super.internalGetSetObjectProperty(property, get, value); - } - - /* (omit javadoc for this method) - * Method declared on ASTNode. - */ - final int getNodeType0() { - return NUMBER_LITERAL; - } - - /* (omit javadoc for this method) - * Method declared on ASTNode. - */ - ASTNode clone0(AST target) { - NumberLiteral result = new NumberLiteral(target); - result.setSourceRange(this.getStartPosition(), this.getLength()); - result.setToken(getToken()); - return result; - } - - /* (omit javadoc for this method) - * Method declared on ASTNode. - */ - final boolean subtreeMatch0(ASTMatcher matcher, Object other) { - // dispatch to correct overloaded match method - return matcher.match(this, other); - } - - /* (omit javadoc for this method) - * Method declared on ASTNode. - */ - void accept0(ASTVisitor visitor) { - visitor.visit(this); - visitor.endVisit(this); - } - - /** - * Returns the token of this number literal node. The value is the sequence - * of characters that would appear in the source program. - * - * @return the numeric literal token - */ - public String getToken() { - return this.tokenValue; - } - - /** - * Sets the token of this number literal node. The value is the sequence - * of characters that would appear in the source program. - * - * @param token the numeric literal token - * @exception IllegalArgumentException if the argument is incorrect - */ - public void setToken(String token) { - // update internalSetToken(String) if this is changed - if (token == null || token.length() == 0) { - throw new IllegalArgumentException(); - } - Scanner scanner = this.ast.scanner; - char[] source = token.toCharArray(); - scanner.setSource(source); - scanner.resetTo(0, source.length); - scanner.tokenizeComments = false; - scanner.tokenizeWhiteSpace = false; - try { - int tokenType = scanner.getNextToken(); - switch(tokenType) { - case TerminalTokens.TokenNameDoubleLiteral: - case TerminalTokens.TokenNameIntegerLiteral: - case TerminalTokens.TokenNameFloatingPointLiteral: - case TerminalTokens.TokenNameLongLiteral: - break; - case TerminalTokens.TokenNameMINUS : - tokenType = scanner.getNextToken(); - switch(tokenType) { - case TerminalTokens.TokenNameDoubleLiteral: - case TerminalTokens.TokenNameIntegerLiteral: - case TerminalTokens.TokenNameFloatingPointLiteral: - case TerminalTokens.TokenNameLongLiteral: - break; - default: - throw new IllegalArgumentException("Invalid number literal : >" + token + "<"); //$NON-NLS-1$//$NON-NLS-2$ - } - break; - default: - throw new IllegalArgumentException("Invalid number literal : >" + token + "<");//$NON-NLS-1$//$NON-NLS-2$ - } - } catch(InvalidInputException e) { - throw new IllegalArgumentException(); - } finally { - scanner.tokenizeComments = true; - scanner.tokenizeWhiteSpace = true; - } - preValueChange(TOKEN_PROPERTY); - this.tokenValue = token; - postValueChange(TOKEN_PROPERTY); - } - - /* (omit javadoc for this method) - * This method is a copy of setToken(String) that doesn't do any validation. - */ - void internalSetToken(String token) { - preValueChange(TOKEN_PROPERTY); - this.tokenValue = token; - postValueChange(TOKEN_PROPERTY); - } - /* (omit javadoc for this method) - * Method declared on ASTNode. - */ - int memSize() { - int size = BASE_NODE_SIZE + 1 * 4 + stringSize(tokenValue); - return size; - } - - /* (omit javadoc for this method) - * Method declared on ASTNode. - */ - int treeSize() { - return memSize(); - } -}