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Added simple assignment, read more

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I was coding earlier this week, but my brain was so foggy I ended up not
knowing what I was doing. After a few days break, I've cleaned up the
mess, which took hours.

Changes:
* Variables can be assigned
* Added new value types as placeholders
* Added 'compare' and 'assign' to the AST
* Added duplicate opcode
* Added functions to copy and free values
* Max name length is 255 chars
* Compound assigns are squeezed into one word

To be completed:

* Tests for this commit's changes
* Compound assignments
* Variable access
This commit is contained in:
Kayne Ruse
2024-10-25 22:48:24 +11:00
parent 5b17c5e1e9
commit 3148a56ce0
17 changed files with 653 additions and 182 deletions
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22
repl/main.c
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@@ -263,18 +263,6 @@ int repl(const char* filepath) {
//free the bytecode, and leave the VM ready for the next loop
Toy_resetVM(&vm);
//count the bucket memory - hang on, this this garbage collection??
Toy_Bucket* iter = bucket;
int depth = 0;
while (iter->next) {
iter = iter->next;
if (++depth >= 7) {
Toy_freeBucket(&bucket);
bucket = Toy_allocateBucket(TOY_BUCKET_IDEAL);
break;
}
}
printf("%s> ", prompt); //shows the terminal prompt
}
@@ -331,9 +319,12 @@ static void debugStackPrint(Toy_Stack* stack) {
}
case TOY_VALUE_ARRAY:
case TOY_VALUE_DICTIONARY:
case TOY_VALUE_TABLE:
case TOY_VALUE_FUNCTION:
case TOY_VALUE_OPAQUE:
case TOY_VALUE_TYPE:
case TOY_VALUE_ANY:
case TOY_VALUE_UNKNOWN:
printf("???");
break;
}
@@ -393,9 +384,12 @@ static void debugScopePrint(Toy_Scope* scope, int depth) {
}
case TOY_VALUE_ARRAY:
case TOY_VALUE_DICTIONARY:
case TOY_VALUE_TABLE:
case TOY_VALUE_FUNCTION:
case TOY_VALUE_OPAQUE:
case TOY_VALUE_TYPE:
case TOY_VALUE_ANY:
case TOY_VALUE_UNKNOWN:
printf("???");
break;
}