School Commit Init

Anul 2/Semestrul 1/Metode avansate de programare/Interpretor/Models/Statements/PrintStatement.java

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+package Models.Statements;
+
+import Exceptions.BaseException;
+import Models.Expressions.IExpression;
+import Models.Program.IDictionary;
+import Models.Program.IQueue;
+import Models.Program.ProgramState;
+import Models.Types.IType;
+import Models.Values.IValue;
+
+public class PrintStatement implements IStatement {
+    //region Fields
+    private IExpression expression;
+    //endregion
+    
+    //region Exposed Methods
+    public PrintStatement(IExpression expression){
+        this.expression = expression;
+    }
+    public String toString(){
+        return "print(" + expression.toString() + ")";
+    }
+
+    public IStatement copy(){
+        return new PrintStatement(expression.copy());
+    }
+
+    public ProgramState execute(ProgramState state) throws BaseException{
+        IQueue<IValue> output = state.getOutput();
+        output.enqueue(expression.evaluate(state.getSymbolTable(), state.getHeap()  ));
+        return null;
+    }
+
+    public IDictionary<String, IType> typeCheck(IDictionary<String, IType> typeTable) throws BaseException{
+        expression.typeCheck(typeTable);
+        return typeTable;
+    }
+    //endregion    
+}