public void pushScope(boolean bInitialInstanceMethodScope) {
if (_scopes == null) {
_scopes = new Stack<IRScope>();
}
IRScope parent = _scopes.isEmpty() ? null : _scopes.peek();
_scopes.push(new IRScope(parent));
if (bInitialInstanceMethodScope) {
assert parent == null;
_scopes.peek().addSymbol(Keyword.KW_this.getName(), _context.getIRTypeForCurrentClass());
}
}
public IRSymbol getSymbol(String symbolName) {
IRSymbol symbol = _scopes.peek().getSymbol(symbolName);
if (symbol == null) {
throw new IllegalStateException("No symbol found named " + symbolName);
}
return symbol;
}
public IRSymbol makeAndIndexTempSymbol(String strNameSuffix, IRType type) {
String strName =
strNameSuffix != null ? TEMP_VAR_PREFIX + strNameSuffix : TEMP_VAR_PREFIX + _tempVarCount++;
IRSymbol symbol = new IRSymbol(strName, type, true);
_scopes.peek().addSymbol(symbol);
return symbol;
}
public IRSymbol getTypeParamIndex(TypeVariableType type) {
return _scopes
.peek()
.getSymbol(AbstractElementTransformer.TYPE_PARAM_PREFIX + type.getRelativeName());
}
public void popScope() {
_scopes.pop();
}
public IRSymbol createSymbol(String name, IRType type) {
return _scopes.peek().addSymbol(name, type);
}
public void putSymbol(IRSymbol symbol) {
_scopes.peek().addSymbol(symbol);
}
public boolean hasSymbol(String symbolName) {
return _scopes.peek().getSymbol(symbolName) != null;
}