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package ast.nodes;
import ast.types.*;
import java.util.ArrayList;
import java.util.HashMap;
import semanticanalysis.*;
/**
* Node for the `root` statement of the grammar.
*/
public class RootNode implements Node {
// stms and compundStmts are protected because they are reused for a
// BlockNode
protected ArrayList<Node> stmts;
protected ArrayList<Node> compoundStmts;
public RootNode(ArrayList<Node> stmts, ArrayList<Node> compoundStmts) {
this.stmts = stmts;
this.compoundStmts = compoundStmts;
}
@Override
public ArrayList<SemanticError> checkSemantics(SymbolTable ST, int _nesting) {
ArrayList<SemanticError> errors = new ArrayList<SemanticError>();
HashMap<String, STentry> HM = new HashMap<String, STentry>();
ST.add(HM);
for (Node stmt : stmts) {
errors.addAll(stmt.checkSemantics(ST, _nesting));
}
for (Node stmt : compoundStmts) {
errors.addAll(stmt.checkSemantics(ST, _nesting));
}
ST.remove();
return errors;
}
@Override
public Type typeCheck() {
return new VoidType();
}
// TODO: Code generation for RootNode
@Override
public String codeGeneration() {
return "";
}
@Override
public String toPrint(String prefix) {
String str = "Root\n";
prefix += " ";
for (Node stmt : stmts) {
str += stmt.toPrint(prefix);
}
for (Node stmt : compoundStmts) {
str += stmt.toPrint(prefix);
}
return str;
}
}
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