private void printTokenList() {
if (this.trace) {
for (Token<?> t : this.tokenList) {
System.out.print(t.getLexeme() + " ");
}
System.out.println();
}
}
public Expression getResult() {
// execute literal expression
while (this.execute() > 0) {;
}
Map<String, Integer /* counter */> variables = new LinkedHashMap<String, Integer>();
Map<String, Integer /* counter */> methods = new HashMap<String, Integer>();
for (Token<?> token : this.tokenList) {
switch (token.getType()) {
case Variable:
String varName = token.getLexeme();
if (!variables.containsKey(varName)) {
variables.put(varName, 1);
} else {
variables.put(varName, variables.get(varName) + 1);
}
break;
case Delegate:
DelegateToken delegateToken = (DelegateToken) token;
if (delegateToken.getDelegateTokenType() == DelegateTokenType.Method_Name) {
Token<?> realToken = delegateToken.getToken();
if (realToken.getType() == TokenType.Variable) {
String methodName = token.getLexeme();
if (!methods.containsKey(methodName)) {
methods.put(methodName, 1);
} else {
methods.put(methodName, methods.get(methodName) + 1);
}
}
} else if (delegateToken.getDelegateTokenType() == DelegateTokenType.Array) {
Token<?> realToken = delegateToken.getToken();
if (realToken.getType() == TokenType.Variable) {
varName = token.getLexeme();
if (!variables.containsKey(varName)) {
variables.put(varName, 1);
} else {
variables.put(varName, variables.get(varName) + 1);
}
}
}
break;
}
}
// call asm to generate byte codes
this.callASM(variables, methods);
// Last token is a literal token,then return a LiteralExpression
if (this.tokenList.size() <= 1) {
if (this.tokenList.isEmpty()) {
return new LiteralExpression(null, new ArrayList<String>(variables.keySet()));
}
final Token<?> lastToken = this.tokenList.get(0);
if (this.isLiteralToken(lastToken)) {
return new LiteralExpression(
this.getAviatorObjectFromToken(lastToken).getValue(null),
new ArrayList<String>(variables.keySet()));
}
}
// get result from asm
return this.asmCodeGenerator.getResult();
}