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Keywords 'break' and 'continue' are working, untested

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See #152
This commit is contained in:
Kayne Ruse
2024-12-30 09:50:51 +11:00
parent 6d25beea03
commit b84a70cc34
7 changed files with 252 additions and 32 deletions
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21
source/toy_vm.c
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@@ -63,7 +63,7 @@ static void processRead(Toy_VM* vm) {
case TOY_VALUE_STRING: {
enum Toy_StringType stringType = READ_BYTE(vm);
int len = (int)READ_BYTE(vm);
int len = (int)READ_BYTE(vm); //only needed for name strings
//grab the jump as an integer
unsigned int jump = *((int*)(vm->module + vm->jumpsAddr + READ_INT(vm)));
@@ -524,7 +524,7 @@ static void processLogical(Toy_VM* vm, Toy_OpcodeType opcode) {
}
static void processJump(Toy_VM* vm) {
Toy_OpJumpType type = READ_BYTE(vm);
Toy_OpParamJumpType type = READ_BYTE(vm);
Toy_OpParamJumpConditional cond = READ_BYTE(vm);
fixAlignment(vm);
@@ -571,6 +571,19 @@ static void processJump(Toy_VM* vm) {
}
}
static void processEscape(Toy_VM* vm) {
fixAlignment(vm);
int addr = READ_INT(vm); //where to go
int diff = READ_INT(vm); //what to do
vm->programCounter += addr;
while (diff > 0 && vm->scope != NULL) {
vm->scope = Toy_popScope(vm->scope);
}
}
static void processAssert(Toy_VM* vm) {
unsigned int count = READ_BYTE(vm);
@@ -881,6 +894,10 @@ static void process(Toy_VM* vm) {
processJump(vm);
break;
case TOY_OPCODE_ESCAPE:
processEscape(vm);
break;
case TOY_OPCODE_SCOPE_PUSH:
vm->scope = Toy_pushScope(&vm->scopeBucket, vm->scope);
break;