/**
* Writes the method definition.
*
* @param rule the rule node
* @throws SemanticException never
*/
@Override
public void visit(Rule rule) throws SemanticException {
currentRule = rule;
isDefaultCase = false;
String secondParameter = rule.hasOnlyOneName() ? "" : ", int rule";
put(
"private void "
+ currentRule.getMethodName()
+ "(int start"
+ secondParameter
+ ") throws InvalidInstructionException {");
rule.acceptChildren(this);
put("}", true);
}
/**
* Writes the code for the recognized variant.
*
* @param variant the variant node
* @throws SemanticException never
*/
@Override
public void visit(Variant variant) throws SemanticException {
if (variant.returns()) {
String field = "rule";
String value;
if (currentRule.hasOnlyOneName())
field = currentRule.getFieldName(currentRule.getNames().get(0));
if (variant.getReturnString() != null) {
value = '"' + variant.getReturnString() + "\", " + variant.getFieldName();
} else {
int start = variant.getReturnSubrule().getStart();
int length = variant.getReturnSubrule().getLength();
value = String.format("readBytes(start + %d, %d)", start, length);
}
put(String.format("instruction.add(%s, %s);", field, value));
}
variant.acceptChildren(this);
}