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Added arithmetic assign operators

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This commit is contained in:
Kayne Ruse
2022-08-23 03:33:28 +01:00
parent ce2073832b
commit 6939b216a9
4 changed files with 88 additions and 6 deletions
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38
source/interpreter.c
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@@ -269,18 +269,22 @@ static bool execArithmetic(Interpreter* interpreter, Opcode opcode) {
if(IS_INTEGER(lhs) && IS_INTEGER(rhs)) {
switch(opcode) {
case OP_ADDITION:
case OP_VAR_ADDITION_ASSIGN:
pushLiteralArray(&interpreter->stack, TO_INTEGER_LITERAL( AS_INTEGER(lhs) + AS_INTEGER(rhs) ));
return true;
case OP_SUBTRACTION:
case OP_VAR_SUBTRACTION_ASSIGN:
pushLiteralArray(&interpreter->stack, TO_INTEGER_LITERAL( AS_INTEGER(lhs) - AS_INTEGER(rhs) ));
return true;
case OP_MULTIPLICATION:
case OP_VAR_MULTIPLICATION_ASSIGN:
pushLiteralArray(&interpreter->stack, TO_INTEGER_LITERAL( AS_INTEGER(lhs) * AS_INTEGER(rhs) ));
return true;
case OP_DIVISION:
case OP_VAR_DIVISION_ASSIGN:
if (AS_INTEGER(rhs) == 0) {
printf(ERROR "ERROR: Can't divide by zero (error found in interpreter)" RESET);
return false;
@@ -289,6 +293,7 @@ static bool execArithmetic(Interpreter* interpreter, Opcode opcode) {
return true;
case OP_MODULO:
case OP_VAR_MODULO_ASSIGN:
if (AS_INTEGER(rhs) == 0) {
printf(ERROR "ERROR: Can't modulo by zero (error found in interpreter)" RESET);
return false;
@@ -303,7 +308,7 @@ static bool execArithmetic(Interpreter* interpreter, Opcode opcode) {
}
//catch bad modulo
if (opcode == OP_MODULO) {
if (opcode == OP_MODULO || opcode == OP_VAR_MODULO_ASSIGN) {
printf(ERROR "ERROR: Bad arithmetic argument (modulo on floats not allowed)\n" RESET);
return false;
}
@@ -311,18 +316,22 @@ static bool execArithmetic(Interpreter* interpreter, Opcode opcode) {
if(IS_FLOAT(lhs) && IS_FLOAT(rhs)) {
switch(opcode) {
case OP_ADDITION:
case OP_VAR_ADDITION_ASSIGN:
pushLiteralArray(&interpreter->stack, TO_FLOAT_LITERAL( AS_FLOAT(lhs) + AS_FLOAT(rhs) ));
return true;
case OP_SUBTRACTION:
case OP_VAR_SUBTRACTION_ASSIGN:
pushLiteralArray(&interpreter->stack, TO_FLOAT_LITERAL( AS_FLOAT(lhs) - AS_FLOAT(rhs) ));
return true;
case OP_MULTIPLICATION:
case OP_VAR_MULTIPLICATION_ASSIGN:
pushLiteralArray(&interpreter->stack, TO_FLOAT_LITERAL( AS_FLOAT(lhs) * AS_FLOAT(rhs) ));
return true;
case OP_DIVISION:
case OP_VAR_DIVISION_ASSIGN:
if (AS_FLOAT(rhs) == 0) {
printf(ERROR "ERROR: Can't divide by zero (error found in interpreter)" RESET);
return false;
@@ -414,6 +423,18 @@ static bool execVarAssign(Interpreter* interpreter) {
return true;
}
static bool execVarArithmeticAssign(Interpreter* interpreter) {
Literal rhs = popLiteralArray(&interpreter->stack);
Literal lhs = popLiteralArray(&interpreter->stack);
//duplicate the name
pushLiteralArray(&interpreter->stack, lhs);
pushLiteralArray(&interpreter->stack, lhs);
pushLiteralArray(&interpreter->stack, rhs);
return true;
}
static bool execValCast(Interpreter* interpreter) {
Literal value = popLiteralArray(&interpreter->stack);
Literal type = popLiteralArray(&interpreter->stack);
@@ -691,6 +712,21 @@ static void execInterpreter(Interpreter* interpreter) {
}
break;
case OP_VAR_ADDITION_ASSIGN:
case OP_VAR_SUBTRACTION_ASSIGN:
case OP_VAR_MULTIPLICATION_ASSIGN:
case OP_VAR_DIVISION_ASSIGN:
case OP_VAR_MODULO_ASSIGN:
execVarArithmeticAssign(interpreter);
if (!execArithmetic(interpreter, opcode)) {
popLiteralArray(&interpreter->stack);
return;
}
if (!execVarAssign(interpreter)) {
return;
}
break;
case OP_GROUPING_BEGIN:
execInterpreter(interpreter);
break;