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This commit is contained in:
Andre Wagner
2026-05-02 08:19:20 -05:00
parent de961d5d2c
commit a1dbc40961
7 changed files with 44 additions and 70 deletions
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105
src/vm/vm.cc
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@@ -52,82 +52,49 @@ void VM::run_until_return()
void VM::step()
{
Operation op = code_.operation(loc_.top());
Value a, b;
switch (op.instruction) {
//
// stack management
//
case Instruction::PushInt8:
case Instruction::PushInt16:
case Instruction::PushInt32:
push_integer(op.operator_);
break;
case Instruction::Sum:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::Sum));
break;
case Instruction::Subtract:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::Subtraction));
break;
case Instruction::Multiply:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::Multiplication));
break;
case Instruction::Divide:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::Division));
break;
case Instruction::DivideInt:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::IntegerDivision));
break;
case Instruction::Equals:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::Equality));
break;
case Instruction::NotEquals:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::Inequality));
break;
case Instruction::LessThan:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::LessThan));
break;
case Instruction::LessThanEq:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::LessThanOrEquals));
break;
case Instruction::GreaterThan:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::GreaterThan));
break;
case Instruction::GreaterThanEq:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::GreaterThanOrEquals));
break;
case Instruction::And:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::BitwiseAnd));
break;
case Instruction::Or:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::BitwiseOr));
break;
case Instruction::Xor:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::BitwiseXor));
break;
case Instruction::Power:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::Power));
break;
case Instruction::ShiftLeft:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::ShiftLeft));
break;
case Instruction::ShiftRight:
a = stack_.pop(); b = stack_.pop();
stack_.push(binary_operation(a, b, BinaryOperationType::ShiftRight));
break;
//
// logical/arithmetic
//
#define BIN_OP(op) { Value a = stack_.pop(); Value b = stack_.pop(); stack_.push(binary_operation(a, b, BinaryOperationType::op)); }
case Instruction::Sum: BIN_OP(Sum) break;
case Instruction::Subtract: BIN_OP(Subtraction) break;
case Instruction::Multiply: BIN_OP(Multiplication) break;
case Instruction::Divide: BIN_OP(Division) break;
case Instruction::DivideInt: BIN_OP(IntegerDivision) break;
case Instruction::Equals: BIN_OP(Equality) break;
case Instruction::NotEquals: BIN_OP(Inequality) break;
case Instruction::LessThan: BIN_OP(LessThan) break;
case Instruction::LessThanEq: BIN_OP(LessThanOrEquals) break;
case Instruction::GreaterThan: BIN_OP(GreaterThan) break;
case Instruction::GreaterThanEq: BIN_OP(GreaterThanOrEquals) break;
case Instruction::And: BIN_OP(BitwiseAnd) break;
case Instruction::Or: BIN_OP(BitwiseOr) break;
case Instruction::Xor: BIN_OP(BitwiseXor) break;
case Instruction::Power: BIN_OP(Power) break;
case Instruction::ShiftLeft: BIN_OP(ShiftLeft) break;
case Instruction::ShiftRight: BIN_OP(ShiftRight) break;
case Instruction::Modulo: BIN_OP(Modulo) break;
#undef BIN_OP
//
// function operations
//
case Instruction::Return: {
Value v = stack_.pop();
stack_.pop_fp();