Add `string16` and `cstring16` (UTF-16 based strings)

1 files changed, 12 insertions, 0 deletions

diff --git a/src/llvm_backend_utility.cpp b/src/llvm_backend_utility.cpp
index 521553147..d4117b7ff 100644
--- a/src/llvm_backend_utility.cpp
+++ b/src/llvm_backend_utility.cpp
@@ -1626,11 +1626,17 @@ gb_internal void lb_fill_string(lbProcedure *p, lbAddr const &string, lbValue ba
 
 gb_internal lbValue lb_string_elem(lbProcedure *p, lbValue string) {
 	Type *t = base_type(string.type);
+	if (t->kind == Type_Basic && t->Basic.kind == Basic_string16) {
+		return lb_emit_struct_ev(p, string, 0);
+	}
 	GB_ASSERT(t->kind == Type_Basic && t->Basic.kind == Basic_string);
 	return lb_emit_struct_ev(p, string, 0);
 }
 gb_internal lbValue lb_string_len(lbProcedure *p, lbValue string) {
 	Type *t = base_type(string.type);
+	if (t->kind == Type_Basic && t->Basic.kind == Basic_string16) {
+		return lb_emit_struct_ev(p, string, 1);
+	}
 	GB_ASSERT_MSG(t->kind == Type_Basic && t->Basic.kind == Basic_string, "%s", type_to_string(t));
 	return lb_emit_struct_ev(p, string, 1);
 }
@@ -1641,6 +1647,12 @@ gb_internal lbValue lb_cstring_len(lbProcedure *p, lbValue value) {
 	args[0] = lb_emit_conv(p, value, t_cstring);
 	return lb_emit_runtime_call(p, "cstring_len", args);
 }
+gb_internal lbValue lb_cstring16_len(lbProcedure *p, lbValue value) {
+	GB_ASSERT(is_type_cstring16(value.type));
+	auto args = array_make<lbValue>(permanent_allocator(), 1);
+	args[0] = lb_emit_conv(p, value, t_cstring16);
+	return lb_emit_runtime_call(p, "cstring16_len", args);
+}
 
 
 gb_internal lbValue lb_array_elem(lbProcedure *p, lbValue array_ptr) {