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Added opaque attributes to API

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This commit is contained in:
Kayne Ruse
2026-05-06 16:02:27 +10:00
parent 7cdb81e0bf
commit 60a0fe8907
4 changed files with 46 additions and 15 deletions
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source/toy_attributes.c
+25 -7
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@@ -6,9 +6,12 @@
#include <string.h>
#include <ctype.h>
//if set, used for delegating to user-defined code
static Toy_OpaqueAttributeHandler opaqueAttributeCallback = NULL;
//NOTE: there is no need to call 'Toy_freeValue' on the arguments, as the VM assumes you don't
Toy_Value handleStringAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute) {
Toy_Value Toy_private_handleStringAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute) {
if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "length", 6) == 0) {
return TOY_VALUE_FROM_INTEGER(TOY_VALUE_AS_STRING(compound)->info.length);
}
@@ -144,7 +147,7 @@ static void attr_arraySort(Toy_VM* vm) {
//URGENT: attr_arraySort
}
Toy_Value handleArrayAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute) {
Toy_Value Toy_private_handleArrayAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute) {
if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "length", 6) == 0) {
return TOY_VALUE_FROM_INTEGER(TOY_VALUE_AS_ARRAY(compound)->count);
}
@@ -220,23 +223,23 @@ static void attr_tableForEach(Toy_VM* vm) {
//URGENT: attr_tableForEach
}
Toy_Value handleTableAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute) {
Toy_Value Toy_private_handleTableAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute) {
if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "length", 6) == 0) {
return TOY_VALUE_FROM_INTEGER(TOY_VALUE_AS_ARRAY(compound)->count);
}
else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "insert", 4) == 0) {
else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "insert", 6) == 0) {
Toy_Function* fn = Toy_createFunctionFromCallback(&vm->memoryBucket, attr_tableInsert);
return TOY_VALUE_FROM_FUNCTION(fn);
}
else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "hasKey", 4) == 0) {
else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "hasKey", 6) == 0) {
Toy_Function* fn = Toy_createFunctionFromCallback(&vm->memoryBucket, attr_tableHasKey);
return TOY_VALUE_FROM_FUNCTION(fn);
}
else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "remove", 4) == 0) {
else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "remove", 6) == 0) {
Toy_Function* fn = Toy_createFunctionFromCallback(&vm->memoryBucket, attr_tableRemove);
return TOY_VALUE_FROM_FUNCTION(fn);
}
else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "forEach", 4) == 0) {
else if (strncmp(TOY_VALUE_AS_STRING(attribute)->leaf.data, "forEach", 7) == 0) { //BUG: compare the contents AND length of these strings
Toy_Function* fn = Toy_createFunctionFromCallback(&vm->memoryBucket, attr_tableForEach);
return TOY_VALUE_FROM_FUNCTION(fn);
}
@@ -246,4 +249,19 @@ Toy_Value handleTableAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attrib
Toy_error(buffer);
return TOY_VALUE_FROM_NULL();
}
}
Toy_Value Toy_private_handleOpaqueAttributes(Toy_VM* vm, Toy_Value compound, Toy_Value attribute) {
if (opaqueAttributeCallback == NULL) {
char buffer[256];
snprintf(buffer, 256, "Unknown attribute '%s' of type '%s' (did you set the opaque callbacks?)", TOY_VALUE_AS_STRING(attribute)->leaf.data, Toy_private_getValueTypeAsCString(compound.type));
Toy_error(buffer);
return TOY_VALUE_FROM_NULL();
}
return opaqueAttributeCallback(vm, compound, attribute);
}
void Toy_private_setOpaqueAttributeHandler(Toy_OpaqueAttributeHandler cb) {
opaqueAttributeCallback = cb;
}