diff --git a/core/intrinsics/intrinsics.odin b/core/intrinsics/intrinsics.odin index 66b12801b..8662d1a42 100644 --- a/core/intrinsics/intrinsics.odin +++ b/core/intrinsics/intrinsics.odin @@ -139,6 +139,8 @@ type_has_nil :: proc($T: typeid) -> bool --- type_is_specialization_of :: proc($T, $S: typeid) -> bool --- +type_has_field :: proc($T: typeid, $name: string) -> bool --- + type_proc_parameter_count :: proc($T: typeid) -> int where type_is_proc(T) --- type_proc_return_count :: proc($T: typeid) -> int where type_is_proc(T) --- diff --git a/src/check_expr.cpp b/src/check_expr.cpp index 3e5dd58f5..aea72c9b3 100644 --- a/src/check_expr.cpp +++ b/src/check_expr.cpp @@ -5702,6 +5702,34 @@ bool check_builtin_procedure(CheckerContext *c, Operand *operand, Ast *call, i32 operand->type = t_untyped_bool; break; + case BuiltinProc_type_has_field: + { + Operand op = {}; + Type *bt = check_type(c, ce->args[0]); + Type *type = base_type(bt); + if (type == nullptr || type == t_invalid) { + error(ce->args[0], "Expected a type for '%.*s'", LIT(builtin_name)); + return false; + } + Operand x = {}; + check_expr(c, &x, ce->args[1]); + + if (!is_type_string(x.type) || x.mode != Addressing_Constant || x.value.kind != ExactValue_String) { + error(ce->args[1], "Expected a const string for field argument"); + return false; + } + + String field_name = x.value.value_string; + + Selection sel = lookup_field(type, field_name, false); + operand->mode = Addressing_Constant; + operand->value = exact_value_bool(sel.index.count != 0); + operand->type = t_untyped_bool; + + break; + } + break; + case BuiltinProc_type_is_specialization_of: { if (operand->mode != Addressing_Type) { diff --git a/src/checker_builtin_procs.hpp b/src/checker_builtin_procs.hpp index 3e2c920b5..6f668110f 100644 --- a/src/checker_builtin_procs.hpp +++ b/src/checker_builtin_procs.hpp @@ -168,6 +168,8 @@ BuiltinProc__type_simple_boolean_begin, BuiltinProc__type_simple_boolean_end, + BuiltinProc_type_has_field, + BuiltinProc_type_is_specialization_of, BuiltinProc_type_proc_parameter_count, @@ -349,6 +351,8 @@ gb_global BuiltinProc builtin_procs[BuiltinProc_COUNT] = { {STR_LIT("type_has_nil"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics}, {STR_LIT(""), 0, false, Expr_Stmt, BuiltinProcPkg_intrinsics}, + {STR_LIT("type_has_field"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics}, + {STR_LIT("type_is_specialization_of"), 2, false, Expr_Expr, BuiltinProcPkg_intrinsics}, {STR_LIT("type_proc_parameter_count"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics}, {STR_LIT("type_proc_return_count"), 1, false, Expr_Expr, BuiltinProcPkg_intrinsics},