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static bool infer_from_type(Type *match, Type *to, Identifier *idents, Value *vals, Type *types) {
/* match resolved, to unresolved */
switch (to->kind) {
case TYPE_VOID:
case TYPE_UNKNOWN:
case TYPE_BUILTIN:
case TYPE_TYPE:
break; /* nothing we can do here */
}
return true;
}
/*
match and to are dynamic arrays of equal size
idents is a dyn array
find the value of each ident by matching match[i] to to[i], i = 0..arr_len(match)-1
all the types in match must be resolved, and all the types in to must be unresolved
*/
static bool infer_ident_vals(Type **match, Type **to, Identifier *idents, Value *vals, Type *types) {
size_t ntypes = arr_len(match);
size_t i;
size_t nidents = arr_len(idents);
Type *t = types;
for (i = 0; i < nidents; ++i) {
t->kind = TYPE_UNKNOWN;
++t;
}
for (i = 0; i < ntypes; ++i) {
if (!infer_from_type(*match, *to, idents, vals, types))
return false;
++match, ++to;
}
#if 0 /* TODO DELME */
Value *val = vals;
Type *type = types;
val->type = calloc(1,sizeof(Type));
val->type->flags = TYPE_IS_RESOLVED;
val->type->kind = TYPE_BUILTIN;
val->type->builtin = BUILTIN_I64;
type->flags = TYPE_IS_RESOLVED;
type->kind = TYPE_TYPE;
type->was_expr = NULL;
#endif
return true;
}
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