/** @see jaskell.compiler.JaskellVisitor#visit(Variable) */
public Object visit(Variable a) {
Type ret = null;
String vname = a.getName();
Expression def = a.lookup(vname);
if (def == null) // unknown symbol
throw new CompilerException("Unknown variable " + vname);
else ret = (Type) def.visit(this);
a.setType(ret);
return ret;
}
public StartupPageTemplateHolder(final String template) {
ParamCheck.notNull(template, "template");
replacementIndices = new HashMap();
StringTokenizer tokenizer = new StringTokenizer(template, "${}", true);
int countTokens = tokenizer.countTokens();
tokens = new String[countTokens];
boolean ignoreNextToken = false;
for (int i = 0; i < tokens.length; i++) {
String nextToken = tokenizer.nextToken();
if (ignoreNextToken) {
ignoreNextToken = false;
} else if (!isVariableToken(nextToken)) {
tokens[i] = nextToken;
} else {
Variable variable = Variable.lookup(nextToken);
addReplacementIndex(variable, i);
tokens[i - 1] = "";
tokens[i - 2] = "";
tokens[i + 1] = "";
ignoreNextToken = true;
}
}
}