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Allow $ in polymorphic record parameter fields (but disallow mixing)

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gingerBill
2021-03-23 22:59:10 +00:00
parent c62980eaea
commit 08f7d3edbe
3 changed files with 23 additions and 7 deletions
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core/odin/ast/ast.odin
+1
View File
@@ -562,6 +562,7 @@ Field_Flags_Struct :: Field_Flags{
};
Field_Flags_Record_Poly_Params :: Field_Flags{
.Typeid_Token,
.Default_Parameters,
};
Field_Flags_Signature :: Field_Flags{
.Ellipsis,
src/check_type.cpp
+12 -4
View File
@@ -152,10 +152,12 @@ void check_struct_fields(CheckerContext *ctx, Ast *node, Array<Entity *> *fields
for_array(j, p->names) {
Ast *name = p->names[j];
if (!ast_node_expect(name, Ast_Ident)) {
if (!ast_node_expect2(name, Ast_Ident, Ast_PolyType)) {
continue;
}
if (name->kind == Ast_PolyType) {
name = name->PolyType.type;
}
Token name_token = name->Ident.token;
Entity *field = alloc_entity_field(ctx->scope, name_token, type, is_using, field_src_index);
@@ -464,9 +466,12 @@ void check_struct_type(CheckerContext *ctx, Type *struct_type, Ast *node, Array<
Scope *scope = ctx->scope;
for_array(j, p->names) {
Ast *name = p->names[j];
if (!ast_node_expect(name, Ast_Ident)) {
if (!ast_node_expect2(name, Ast_Ident, Ast_PolyType)) {
continue;
}
if (name->kind == Ast_PolyType) {
name = name->PolyType.type;
}
Entity *e = nullptr;
Token token = name->Ident.token;
@@ -680,9 +685,12 @@ void check_union_type(CheckerContext *ctx, Type *union_type, Ast *node, Array<Op
Scope *scope = ctx->scope;
for_array(j, p->names) {
Ast *name = p->names[j];
if (!ast_node_expect(name, Ast_Ident)) {
if (!ast_node_expect2(name, Ast_Ident, Ast_PolyType)) {
continue;
}
if (name->kind == Ast_PolyType) {
name = name->PolyType.type;
}
Entity *e = nullptr;
Token token = name->Ident.token;
src/parser.cpp
+10 -3
View File
@@ -490,6 +490,13 @@ bool ast_node_expect(Ast *node, AstKind kind) {
}
return true;
}
bool ast_node_expect2(Ast *node, AstKind kind0, AstKind kind1) {
if (node->kind != kind0 && node->kind != kind1) {
syntax_error(node, "Expected %.*s or %.*s, got %.*s", LIT(ast_strings[kind0]), LIT(ast_strings[kind1]), LIT(ast_strings[node->kind]));
return false;
}
return true;
}
Ast *ast_bad_expr(AstFile *f, Token begin, Token end) {
Ast *result = alloc_ast_node(f, Ast_BadExpr);
@@ -1863,9 +1870,9 @@ void check_polymorphic_params_for_type(AstFile *f, Ast *polymorphic_params, Toke
}
for_array(i, field->Field.names) {
Ast *name = field->Field.names[i];
if (name->kind == Ast_PolyType) {
syntax_error(name, "Polymorphic names are not needed for %.*s parameters", LIT(token.string));
return; // TODO(bill): Err multiple times or just the once?
if (name->kind != field->Field.names[0]->kind) {
syntax_error(name, "Mixture of polymorphic names using both $ and not for %.*s parameters", LIT(token.string));
return;
}
}
}