diff options
Diffstat (limited to 'src/parser.cpp')
| -rw-r--r-- | src/parser.cpp | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/src/parser.cpp b/src/parser.cpp index 2671054df..b16a88de5 100644 --- a/src/parser.cpp +++ b/src/parser.cpp @@ -383,10 +383,11 @@ gb_internal Ast *clone_ast(Ast *node, AstFile *f) { n->DynamicArrayType.elem = clone_ast(n->DynamicArrayType.elem, f); break; case Ast_StructType: - n->StructType.fields = clone_ast_array(n->StructType.fields, f); + n->StructType.fields = clone_ast_array(n->StructType.fields, f); n->StructType.polymorphic_params = clone_ast(n->StructType.polymorphic_params, f); - n->StructType.align = clone_ast(n->StructType.align, f); - n->StructType.where_clauses = clone_ast_array(n->StructType.where_clauses, f); + n->StructType.align = clone_ast(n->StructType.align, f); + n->StructType.field_align = clone_ast(n->StructType.field_align, f); + n->StructType.where_clauses = clone_ast_array(n->StructType.where_clauses, f); break; case Ast_UnionType: n->UnionType.variants = clone_ast_array(n->UnionType.variants, f); @@ -1125,7 +1126,7 @@ gb_internal Ast *ast_dynamic_array_type(AstFile *f, Token token, Ast *elem) { gb_internal Ast *ast_struct_type(AstFile *f, Token token, Slice<Ast *> fields, isize field_count, Ast *polymorphic_params, bool is_packed, bool is_raw_union, bool is_no_copy, - Ast *align, + Ast *align, Ast *field_align, Token where_token, Array<Ast *> const &where_clauses) { Ast *result = alloc_ast_node(f, Ast_StructType); result->StructType.token = token; @@ -1136,6 +1137,7 @@ gb_internal Ast *ast_struct_type(AstFile *f, Token token, Slice<Ast *> fields, i result->StructType.is_raw_union = is_raw_union; result->StructType.is_no_copy = is_no_copy; result->StructType.align = align; + result->StructType.field_align = field_align; result->StructType.where_token = where_token; result->StructType.where_clauses = slice_from_array(where_clauses); return result; @@ -2507,6 +2509,7 @@ gb_internal Ast *parse_operand(AstFile *f, bool lhs) { bool is_raw_union = false; bool no_copy = false; Ast *align = nullptr; + Ast *field_align = nullptr; if (allow_token(f, Token_OpenParen)) { isize param_count = 0; @@ -2543,6 +2546,18 @@ gb_internal Ast *parse_operand(AstFile *f, bool lhs) { error_line("\tSuggestion: #align(%s)", s); gb_string_free(s); } + } else if (tag.string == "field_align") { + if (field_align) { + syntax_error(tag, "Duplicate struct tag '#%.*s'", LIT(tag.string)); + } + field_align = parse_expr(f, true); + if (field_align && field_align->kind != Ast_ParenExpr) { + ERROR_BLOCK(); + gbString s = expr_to_string(field_align); + syntax_warning(tag, "#field_align requires parentheses around the expression"); + error_line("\tSuggestion: #field_align(%s)", s); + gb_string_free(s); + } } else if (tag.string == "raw_union") { if (is_raw_union) { syntax_error(tag, "Duplicate struct tag '#%.*s'", LIT(tag.string)); @@ -2591,7 +2606,7 @@ gb_internal Ast *parse_operand(AstFile *f, bool lhs) { decls = fields->FieldList.list; } - return ast_struct_type(f, token, decls, name_count, polymorphic_params, is_packed, is_raw_union, no_copy, align, where_token, where_clauses); + return ast_struct_type(f, token, decls, name_count, polymorphic_params, is_packed, is_raw_union, no_copy, align, field_align, where_token, where_clauses); } break; case Token_union: { |