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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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66
source/toy_value.c
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@@ -60,11 +60,13 @@ bool Toy_private_isEqual(Toy_Value left, Toy_Value right) {
return false;
case TOY_VALUE_ARRAY:
case TOY_VALUE_DICTIONARY:
case TOY_VALUE_TABLE:
case TOY_VALUE_FUNCTION:
case TOY_VALUE_OPAQUE:
default:
Toy_error(TOY_CC_ERROR "ERROR: Unknown types in value equality comparison\n" TOY_CC_RESET);
case TOY_VALUE_TYPE:
case TOY_VALUE_ANY:
case TOY_VALUE_UNKNOWN:
Toy_error(TOY_CC_ERROR "ERROR: Unknown types in value equality comparison\n" TOY_CC_RESET);
}
return 0;
@@ -96,12 +98,66 @@ unsigned int Toy_hashValue(Toy_Value value) {
return Toy_hashString(TOY_VALUE_AS_STRING(value));
case TOY_VALUE_ARRAY:
case TOY_VALUE_DICTIONARY:
case TOY_VALUE_TABLE:
case TOY_VALUE_FUNCTION:
case TOY_VALUE_OPAQUE:
default:
case TOY_VALUE_TYPE:
case TOY_VALUE_ANY:
case TOY_VALUE_UNKNOWN:
Toy_error(TOY_CC_ERROR "ERROR: Can't hash an unknown type\n" TOY_CC_RESET);
}
return 0;
}
Toy_Value Toy_copyValue(Toy_Value value) {
switch(value.type) {
case TOY_VALUE_NULL:
case TOY_VALUE_BOOLEAN:
case TOY_VALUE_INTEGER:
case TOY_VALUE_FLOAT:
return value;
case TOY_VALUE_STRING: {
Toy_String* string = TOY_VALUE_AS_STRING(value);
return TOY_VALUE_FROM_STRING(Toy_copyString(string));
}
case TOY_VALUE_ARRAY:
case TOY_VALUE_TABLE:
case TOY_VALUE_FUNCTION:
case TOY_VALUE_OPAQUE:
case TOY_VALUE_TYPE:
case TOY_VALUE_ANY:
case TOY_VALUE_UNKNOWN:
Toy_error(TOY_CC_ERROR "ERROR: Can't copy an unknown type\n" TOY_CC_RESET);
}
//dummy return
return TOY_VALUE_FROM_NULL();
}
void Toy_freeValue(Toy_Value value) {
switch(value.type) {
case TOY_VALUE_NULL:
case TOY_VALUE_BOOLEAN:
case TOY_VALUE_INTEGER:
case TOY_VALUE_FLOAT:
break;
case TOY_VALUE_STRING: {
Toy_String* string = TOY_VALUE_AS_STRING(value);
Toy_freeString(string);
break;
}
case TOY_VALUE_ARRAY:
case TOY_VALUE_TABLE:
case TOY_VALUE_FUNCTION:
case TOY_VALUE_OPAQUE:
case TOY_VALUE_TYPE:
case TOY_VALUE_ANY:
case TOY_VALUE_UNKNOWN:
Toy_error(TOY_CC_ERROR "ERROR: Can't free an unknown type\n" TOY_CC_RESET);
}
}