StartsWithCallpublic final class StartsWithCall extends FunctionCall
| Fields Summary |
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| private Expression | _base | | private Expression | _token |
| Constructors Summary |
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public StartsWithCall(QName fname, Vector arguments)Create a starts-with() call - two arguments, both strings
super(fname, arguments);
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| Methods Summary |
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| public void | translate(com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator classGen, com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator methodGen)Compile the expression - leave boolean expression on stack
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
_base.translate(classGen, methodGen);
_token.translate(classGen, methodGen);
il.append(new INVOKEVIRTUAL(cpg.addMethodref(STRING_CLASS,
"startsWith",
"("+STRING_SIG+")Z")));
| | public com.sun.org.apache.xalan.internal.xsltc.compiler.util.Type | typeCheck(com.sun.org.apache.xalan.internal.xsltc.compiler.SymbolTable stable)Type check the two parameters for this function
// Check that the function was passed exactly two arguments
if (argumentCount() != 2) {
ErrorMsg err = new ErrorMsg(ErrorMsg.ILLEGAL_ARG_ERR,
getName(), this);
throw new TypeCheckError(err);
}
// The first argument must be a String, or cast to a String
_base = argument(0);
Type baseType = _base.typeCheck(stable);
if (baseType != Type.String)
_base = new CastExpr(_base, Type.String);
// The second argument must also be a String, or cast to a String
_token = argument(1);
Type tokenType = _token.typeCheck(stable);
if (tokenType != Type.String)
_token = new CastExpr(_token, Type.String);
return _type = Type.Boolean;
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