C++ (Cpp) Interpreter::ExecuteContext Examples

Example #1

File: interpreter.cpp Project: loic-sharma/Interpreter

void TestSimpleBranchTrue()
{
    Interpreter i;
    Context context;

    // Test the following program:
    //
    //   while (false) {}
    //
    //   if (false)
    //   {
    //       while (true) {}
    //   }
    //
    // This program should terminate.
    int8_t instructions[] = {
        Load_Constant_Short, 0,
        Branch_True, -1,

        Load_Constant_Short, 1,
        Branch_True, 5,

        Load_Constant_Short, 1,
        Branch_True, -1,

        Halt,
    };

    i.ExecuteContext(&context, instructions);
}

Example #2

File: interpreter.cpp Project: loic-sharma/Interpreter

void TestSimpleBranch()
{
    Interpreter i;
    Context context;

    // This program should terminate.
    int8_t instructions[] = {
        Jump, 2,
        Jump, 0,
        Halt,
    };

    i.ExecuteContext(&context, instructions);
}

Example #3

File: interpreter.cpp Project: loic-sharma/Interpreter

void TestLoadShortConstants()
{
    Interpreter i;
    Context context;

    int8_t instructions[] = {
        Load_Constant_Short, 1,
        Load_Constant_Short, 2,
        Halt,
    };

    i.ExecuteContext(&context, instructions);

    Assert(context.stack.At(0).AsInteger() == 1, "stack[0] != 1");
    Assert(context.stack.At(1).AsInteger() == 2, "stack[1] != 2");
}

Example #4

File: interpreter.cpp Project: loic-sharma/Interpreter

void TestSimpleAdd()
{
    Interpreter i;
    Context context;

    int8_t instructions[] = {
        Load_Constant_Short, 1,
        Load_Constant_Short, 2,
        Add,
        Halt,
    };

    i.ExecuteContext(&context, instructions);

    Assert(context.stack.At(0).AsInteger() == 3, "stack[0] != 3");
}

Example #5

File: interpreter.cpp Project: loic-sharma/Interpreter

void TestLoadIntegerConstants()
{
    Interpreter i;
    Context context;

    int8_t instructions[] = {
        Load_Constant_Integer, 0x0A, 0x1B, 0x2C, 0x3D,
        Load_Constant_Integer, 0x12, 0x34, 0x56, 0x78,
        Halt,
    };

    i.ExecuteContext(&context, instructions);

    Assert(context.stack.At(0).AsInteger() == 0x0A1B2C3D, "stack[0] != 0x0A1B2C3D");
    Assert(context.stack.At(1).AsInteger() == 0x12345678, "stack[1] != 0x12345678");
}

Example #6

File: interpreter.cpp Project: loic-sharma/Interpreter

void TestSimpleFunction()
{
    Interpreter i;
    Context context;

    int8_t instructions[] = {
        Load_Constant_Short, 1,
        Load_Constant_Short, 2,
        Load_Constant_Short, 3,
        Call, 3,
        Add,
        Halt,

        Load_Constant_Short, 4,
        Load_Constant_Short, 5,
        Return,
    };

    i.ExecuteContext(&context, instructions);

    Assert(context.stack.At(0).AsInteger() == 1, "stack[0] != 1");
    Assert(context.stack.At(1).AsInteger() == 5, "stack[0] != 5");
}