A complete, working command-line REPL that reads user input, evaluates it with uCalc, and prints the result or any error messages.
ID: 1357
using uCalcSoftware;
var uc = new uCalc();
// This example simulates a full REPL session by iterating through a series of inputs.
Console.WriteLine("uCalc Interactive Shell (simulated session)");
Console.WriteLine("Type 'exit' or 'quit' to end.");
Console.WriteLine("");
string[] inputs = {
"10 * (5 + 3)",
"UCase('hello world')",
"1 / 0",
"1 +",
"exit"
};
var index = 0;
do {
Console.Write("> ");
// Simulate reading from the console by assigning inputs sequentially.
// In a real application, this would read the input interactively from the console.
var input = inputs[index];
Console.WriteLine(input);
// 1. Check for an exit command
if (input == "exit" || input == "quit") {
Console.WriteLine("Exiting.");
return ;
}
// 2. Evaluate the input and 3. Print the result
Console.WriteLine(uc.EvalStr(input));
Console.WriteLine("");
index = index + 1;
} while (true);
uCalc Interactive Shell (simulated session)
Type 'exit' or 'quit' to end.
> 10 * (5 + 3)
80
> UCase('hello world')
HELLO WORLD
> 1 / 0
inf
> 1 +
Syntax error
> exit
Exiting.
#include <iostream>
#include "uCalc.h"
using namespace std;
using namespace uCalcSoftware;
int main() {
uCalc uc;
// This example simulates a full REPL session by iterating through a series of inputs.
cout << "uCalc Interactive Shell (simulated session)" << endl;
cout << "Type 'exit' or 'quit' to end." << endl;
cout << "" << endl;
vector<string> inputs = {
"10 * (5 + 3)",
"UCase('hello world')",
"1 / 0",
"1 +",
"exit"
};
auto index = 0;
do {
cout << "> ";
// Simulate reading from the console by assigning inputs sequentially.
// In a real application, this would read the input interactively from the console.
auto input = inputs[index];
cout << input << endl;
// 1. Check for an exit command
if (input == "exit" || input == "quit") {
cout << "Exiting." << endl;
return 0;
}
// 2. Evaluate the input and 3. Print the result
cout << uc.EvalStr(input) << endl;
cout << "" << endl;
index = index + 1;
} while (true);
}
uCalc Interactive Shell (simulated session)
Type 'exit' or 'quit' to end.
> 10 * (5 + 3)
80
> UCase('hello world')
HELLO WORLD
> 1 / 0
inf
> 1 +
Syntax error
> exit
Exiting.
Imports System
Imports uCalcSoftware
Public Module Program
Public Sub Main()
Dim uc As New uCalc()
'// This example simulates a full REPL session by iterating through a series of inputs.
Console.WriteLine("uCalc Interactive Shell (simulated session)")
Console.WriteLine("Type 'exit' or 'quit' to end.")
Console.WriteLine("")
Dim inputs() As String = {
"10 * (5 + 3)",
"UCase('hello world')",
"1 / 0",
"1 +",
"exit"
}
Dim index = 0
Do
Console.Write("> ")
'// Simulate reading from the console by assigning inputs sequentially.
'// In a real application, this would read the input interactively from the console.
Dim input = inputs(index)
Console.WriteLine(input)
'// 1. Check for an exit command
If input = "exit" Or input = "quit" Then
Console.WriteLine("Exiting.")
return
End If
'// 2. Evaluate the input and 3. Print the result
Console.WriteLine(uc.EvalStr(input))
Console.WriteLine("")
index = index + 1
Loop While true
End Sub
End Module
uCalc Interactive Shell (simulated session)
Type 'exit' or 'quit' to end.
> 10 * (5 + 3)
80
> UCase('hello world')
HELLO WORLD
> 1 / 0
inf
> 1 +
Syntax error
> exit
Exiting.