mirrors/Odin
1
0
Fork 0
mirror of https://github.com/odin-lang/Odin.git synced 2026-01-04 20:17:48 +00:00
Code Issues Packages Projects Releases Wiki Activity

Implicit Selector Expressions: .A

Browse Source
This commit is contained in:
gingerBill
2019-03-06 16:19:47 +00:00
parent 1652d5033b
commit ad3b6ab718
6 changed files with 89 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
src/check_expr.cpp
View File

@@ -991,7 +991,6 @@ Entity *check_ident(CheckerContext *c, Operand *o, Ast *n, Type *named_type, Typ
o->expr = n;
String name = n->Ident.token.string;
Entity *e = scope_lookup(c->scope, name);
if (e == nullptr) {
if (is_blank_ident(name)) {
@@ -6177,7 +6176,7 @@ ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast *node, Type
continue;
}
check_expr(c, o, elem);
check_expr_with_type_hint(c, o, elem, et);
if (is_constant) {
is_constant = o->mode == Addressing_Constant;
@@ -6408,6 +6407,47 @@ ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast *node, Type
case_end;
case_ast_node(ise, ImplicitSelectorExpr, node);
o->type = t_invalid;
o->expr = node;
o->mode = Addressing_Invalid;
if (type_hint == nullptr) {
gbString str = expr_to_string(node);
error(node, "Cannot determine type for implicit selector expression '%s'", str);
gb_string_free(str);
return Expr_Expr;
}
o->type = type_hint;
if (!is_type_enum(type_hint)) {
gbString typ = type_to_string(type_hint);
gbString str = expr_to_string(node);
error(node, "Invalid type '%s' for implicit selector expression '%s'", typ, str);
gb_string_free(str);
gb_string_free(typ);
return Expr_Expr;
}
GB_ASSERT(ise->selector->kind == Ast_Ident);
String name = ise->selector->Ident.token.string;
Type *enum_type = base_type(type_hint);
GB_ASSERT(enum_type->kind == Type_Enum);
Entity *e = scope_lookup_current(enum_type->Enum.scope, name);
if (e == nullptr) {
gbString typ = type_to_string(type_hint);
error(node, "Undeclared name %.*s for type '%s'", LIT(name), typ);
gb_string_free(typ);
return Expr_Expr;
}
GB_ASSERT(are_types_identical(base_type(e->type), base_type(type_hint)));
GB_ASSERT(e->kind == Entity_Constant);
o->value = e->Constant.value;
o->mode = Addressing_Constant;
o->type = e->type;
return Expr_Expr;
case_end;
case_ast_node(ie, IndexExpr, node);
check_expr(c, o, ie->expr);
if (o->mode == Addressing_Invalid) {
@@ -6832,6 +6872,11 @@ gbString write_expr_to_string(gbString str, Ast *node) {
str = write_expr_to_string(str, se->selector);
case_end;
case_ast_node(se, ImplicitSelectorExpr, node);
str = gb_string_append_rune(str, '.');
str = write_expr_to_string(str, se->selector);
case_end;
case_ast_node(ta, TypeAssertion, node);
str = write_expr_to_string(str, ta->expr);
str = gb_string_appendc(str, ".(");