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Variable access is working

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This commit is contained in:
Kayne Ruse
2024-10-26 10:35:47 +11:00
parent 2ee19c7c66
commit d22b18ed17
7 changed files with 241 additions and 160 deletions
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33
source/toy_vm.c
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@@ -165,7 +165,7 @@ static void processAssign(Toy_VM* vm) {
Toy_Value value = Toy_popStack(&vm->stack);
Toy_Value name = Toy_popStack(&vm->stack);
//check string type
//check name string type
if (!TOY_VALUE_IS_STRING(name) && TOY_VALUE_AS_STRING(name)->type != TOY_STRING_NAME) {
Toy_error("Invalid assignment target");
return;
@@ -177,6 +177,22 @@ static void processAssign(Toy_VM* vm) {
//cleanup
Toy_freeValue(name);
}
static void processAccess(Toy_VM* vm) {
Toy_Value name = Toy_popStack(&vm->stack);
//check name string type
if (!TOY_VALUE_IS_STRING(name) && TOY_VALUE_AS_STRING(name)->type != TOY_STRING_NAME) {
Toy_error("Invalid access target");
return;
}
//find and push the value
Toy_Value value = Toy_accessScope(vm->scope, TOY_VALUE_AS_STRING(name));
Toy_pushStack(&vm->stack, value);
//cleanup
Toy_freeValue(name);
}
static void processArithmetic(Toy_VM* vm, Toy_OpcodeType opcode) {
Toy_Value right = Toy_popStack(&vm->stack);
@@ -248,6 +264,12 @@ static void processDuplicate(Toy_VM* vm) {
Toy_Value value = Toy_copyValue(Toy_peekStack(&vm->stack));
Toy_pushStack(&vm->stack, value);
Toy_freeValue(value);
//check for compound assignments
Toy_OpcodeType squeezed = READ_BYTE(vm);
if (squeezed == TOY_OPCODE_ACCESS) {
processAccess(vm);
}
}
static void processComparison(Toy_VM* vm, Toy_OpcodeType opcode) {
@@ -421,6 +443,10 @@ static void process(Toy_VM* vm) {
processAssign(vm);
break;
case TOY_OPCODE_ACCESS:
processAccess(vm);
break;
case TOY_OPCODE_DUPLICATE:
processDuplicate(vm);
break;
@@ -465,11 +491,6 @@ static void process(Toy_VM* vm) {
processConcat(vm);
break;
//not yet implemented
case TOY_OPCODE_ACCESS:
fprintf(stderr, TOY_CC_ERROR "ERROR: Incomplete opcode %d found, exiting\n" TOY_CC_RESET, opcode);
exit(-1);
case TOY_OPCODE_PASS:
case TOY_OPCODE_ERROR:
case TOY_OPCODE_EOF: