Class NegateExpressionCompiler

  • public class NegateExpressionCompiler
    extends ToItemCompiler
    Generate bytecode for evaluation of a call to the substring() function
    • Constructor Detail

      • NegateExpressionCompiler

        public NegateExpressionCompiler()
    • Method Detail

      • compileToItem

        public void compileToItem​(CompilerService compiler,
                                  Expression expression)
                           throws CannotCompileException
        Generate bytecode to evaluate the expression as an Item Precondition: none. Postcondition: at execution time, the stack contains either an item (the result of the expression), or null (representing an empty sequence).
        Specified by:
        compileToItem in class ExpressionCompiler
        compiler - the compiler service
        expression - the expression to be compiled
        CannotCompileException - if the expression cannot be compiled to bytecode