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Functions are working, tests incomplete

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This required a massive cross-cutting rework to the scope system,
multiple subtle bugfixes and relearning of the parser internals, but it
does appear that functions are working correctly.

A few caveats: for now, parameters are always constant, regardless of
type, return values can't be specified, and some script tests have been
written.

Most importantly, a key feature is working: closures.
This commit is contained in:
Kayne Ruse
2026-04-12 11:47:26 +10:00
parent b0d9c15d33
commit c0c03a4110
18 changed files with 158 additions and 92 deletions
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8
source/toy_compiler.c
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@@ -188,14 +188,16 @@ static unsigned int emitParameters(Toy_Bytecode* mb, Toy_Ast* ast) {
total += emitParameters(mb, ast->aggregate.right);
return total;
}
else if (ast->type != TOY_AST_VALUE) {
else if (ast->type != TOY_AST_VAR_DECLARE) {
fprintf(stderr, TOY_CC_ERROR "ERROR: Unknown AST type passed to 'emitParameters()'\n" TOY_CC_RESET);
exit(-1);
return 0;
}
//the address within the data section
unsigned int dataAddr = emitCStringToData(&(mb->data), &(mb->dataCapacity), &(mb->dataCount), TOY_VALUE_AS_STRING(ast->value.value)->leaf.data);
char buffer[128];
snprintf(buffer, 128, "%.*s", ast->varDeclare.name->info.length, ast->varDeclare.name->leaf.data);
unsigned int dataAddr = emitCStringToData(&(mb->data), &(mb->dataCapacity), &(mb->dataCount), buffer);
//check the param index for that entry i.e. don't reuse parameter names
for (unsigned int i = 0; i < mb->paramCount; i++) {
@@ -209,7 +211,7 @@ static unsigned int emitParameters(Toy_Bytecode* mb, Toy_Ast* ast) {
//emit to the param index
EMIT_INT(&mb, param, dataAddr);
EMIT_INT(&mb, param, ast->value.value.type);
EMIT_INT(&mb, param, ast->varDeclare.valueType); //'constant' is lost, but that's fine for params
//this returns the number of written parameters
return 1;