public String toStringScopeNames() {
StringBuilder sb = new StringBuilder();
sb.append("Scopes:\n");
int i = 0;
for (Scope scope = this; scope != null; scope = scope.getParent())
sb.append("\t" + (i++) + ": " + scope.getScopeName() + "\n");
return sb.toString();
}
/** Find all functions whose names are 'functionName' */
public List<ScopeSymbol> getFunctions(String functionName) {
List<ScopeSymbol> funcs = new ArrayList<ScopeSymbol>();
for (Scope scope = this; scope != null; scope = scope.parent) {
List<ScopeSymbol> fs = scope.getFunctionsLocal(functionName);
if (fs != null) funcs.addAll(fs);
}
return funcs;
}
/** Copy symbols from other scope */
void copy(Scope oscope) {
if (oscope == null) return;
// Note: Symbols are added at variable declaration time (i.e. when we evaluate a
// 'VarDeclaration')
// So we should not copy them here (otherwise we'd get 'Duplicate symbol error')
// Copy functions
if (oscope.hasFunctions()) {
for (ScopeSymbol ss : oscope.getFunctions()) add(ss);
}
}
public String toString(boolean showFunc) {
// Show parents
StringBuilder sb = new StringBuilder();
if (parent != null) {
String parentStr = parent.toString(showFunc);
if (!parentStr.isEmpty()) sb.append(parentStr);
}
// Show scope symbols
StringBuilder sbThis = new StringBuilder();
ArrayList<ScopeSymbol> ssyms = new ArrayList<ScopeSymbol>();
ssyms.addAll(symbols.values());
Collections.sort(ssyms);
for (ScopeSymbol ss : ssyms) sbThis.append(ss + "\n");
// Show scope functions
if (showFunc && functions != null) {
for (String fname : functions.keySet())
for (ScopeSymbol ss : functions.get(fname)) sbThis.append(ss + "\n");
}
// Show header
if (sbThis.length() > 0)
sb.append("\n---------- Scope " + getScopeName() + " ----------\n" + sbThis.toString());
return sb.toString();
}
/** Get symbol on this scope (or any parent scope) */
public ScopeSymbol getSymbol(String symbol) {
// Find symbol on this or any parent scope
for (Scope scope = this; scope != null; scope = scope.parent) {
// Try to find a symbol
ScopeSymbol ssym = scope.getSymbolLocal(symbol);
if (ssym != null) return ssym;
// Try a function
List<ScopeSymbol> fs = scope.getFunctionsLocal(symbol);
// Since we are only matching by name, there has to be one
// and only one function with that name
// Note, this is limiting and very naive. A better approach is needed
if (fs != null && fs.size() == 1) return fs.get(0);
}
// Nothing found
return null;
}
@Override
public String serializeSave(BdsSerializer serializer) {
StringBuilder out = new StringBuilder();
out.append("Scope");
out.append("\t" + serializer.serializeSaveValue(id));
out.append("\t" + serializer.serializeSaveValue(parent != null ? parent.getNodeId() : ""));
out.append("\t" + serializer.serializeSaveValue(node));
out.append("\n");
for (ScopeSymbol ss : symbols.values()) {
if (ss.getType().isNative()) {; // Do not save native functions
} else out.append(serializer.serializeSave(ss));
}
if (parent != null) out.append(serializer.serializeSave(parent));
return out.toString();
}
