diff options
Diffstat (limited to 'src/parser.cpp')
| -rw-r--r-- | src/parser.cpp | 198 |
1 files changed, 187 insertions, 11 deletions
diff --git a/src/parser.cpp b/src/parser.cpp index 2671054df..14035d6d7 100644 --- a/src/parser.cpp +++ b/src/parser.cpp @@ -230,6 +230,10 @@ gb_internal Ast *clone_ast(Ast *node, AstFile *f) { case Ast_OrReturnExpr: n->OrReturnExpr.expr = clone_ast(n->OrReturnExpr.expr, f); break; + case Ast_OrBranchExpr: + n->OrBranchExpr.label = clone_ast(n->OrBranchExpr.label, f); + n->OrBranchExpr.expr = clone_ast(n->OrBranchExpr.expr, f); + break; case Ast_TypeAssertion: n->TypeAssertion.expr = clone_ast(n->TypeAssertion.expr, f); n->TypeAssertion.type = clone_ast(n->TypeAssertion.type, f); @@ -346,6 +350,11 @@ gb_internal Ast *clone_ast(Ast *node, AstFile *f) { n->Field.names = clone_ast_array(n->Field.names, f); n->Field.type = clone_ast(n->Field.type, f); break; + case Ast_BitFieldField: + n->BitFieldField.name = clone_ast(n->BitFieldField.name, f); + n->BitFieldField.type = clone_ast(n->BitFieldField.type, f); + n->BitFieldField.bit_size = clone_ast(n->BitFieldField.bit_size, f); + break; case Ast_FieldList: n->FieldList.list = clone_ast_array(n->FieldList.list, f); break; @@ -383,10 +392,11 @@ 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); @@ -401,6 +411,10 @@ gb_internal Ast *clone_ast(Ast *node, AstFile *f) { n->BitSetType.elem = clone_ast(n->BitSetType.elem, f); n->BitSetType.underlying = clone_ast(n->BitSetType.underlying, f); break; + case Ast_BitFieldType: + n->BitFieldType.backing_type = clone_ast(n->BitFieldType.backing_type, f); + n->BitFieldType.fields = clone_ast_array(n->BitFieldType.fields, f); + break; case Ast_MapType: n->MapType.count = clone_ast(n->MapType.count, f); n->MapType.key = clone_ast(n->MapType.key, f); @@ -1040,6 +1054,18 @@ gb_internal Ast *ast_field(AstFile *f, Array<Ast *> const &names, Ast *type, Ast return result; } +gb_internal Ast *ast_bit_field_field(AstFile *f, Ast *name, Ast *type, Ast *bit_size, Token tag, + CommentGroup *docs, CommentGroup *comment) { + Ast *result = alloc_ast_node(f, Ast_BitFieldField); + result->BitFieldField.name = name; + result->BitFieldField.type = type; + result->BitFieldField.bit_size = bit_size; + result->BitFieldField.tag = tag; + result->BitFieldField.docs = docs; + result->BitFieldField.comment = comment; + return result; +} + gb_internal Ast *ast_field_list(AstFile *f, Token token, Array<Ast *> const &list) { Ast *result = alloc_ast_node(f, Ast_FieldList); result->FieldList.token = token; @@ -1125,7 +1151,7 @@ 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 +1162,7 @@ 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; @@ -1172,6 +1199,17 @@ gb_internal Ast *ast_bit_set_type(AstFile *f, Token token, Ast *elem, Ast *under return result; } +gb_internal Ast *ast_bit_field_type(AstFile *f, Token token, Ast *backing_type, Token open, Array<Ast *> const &fields, Token close) { + Ast *result = alloc_ast_node(f, Ast_BitFieldType); + result->BitFieldType.token = token; + result->BitFieldType.backing_type = backing_type; + result->BitFieldType.open = open; + result->BitFieldType.fields = slice_from_array(fields); + result->BitFieldType.close = close; + return result; +} + + gb_internal Ast *ast_map_type(AstFile *f, Token token, Ast *key, Ast *value) { Ast *result = alloc_ast_node(f, Ast_MapType); result->MapType.token = token; @@ -2158,6 +2196,49 @@ gb_internal Array<Ast *> parse_union_variant_list(AstFile *f) { return variants; } +gb_internal void parser_check_polymorphic_record_parameters(AstFile *f, Ast *polymorphic_params) { + if (polymorphic_params == nullptr) { + return; + } + if (polymorphic_params->kind != Ast_FieldList) { + return; + } + + + enum {Unknown, Dollar, Bare} prefix = Unknown; + gb_unused(prefix); + + for (Ast *field : polymorphic_params->FieldList.list) { + if (field == nullptr || field->kind != Ast_Field) { + continue; + } + for (Ast *name : field->Field.names) { + if (name == nullptr) { + continue; + } + bool error = false; + + if (name->kind == Ast_Ident) { + switch (prefix) { + case Unknown: prefix = Bare; break; + case Dollar: error = true; break; + case Bare: break; + } + } else if (name->kind == Ast_PolyType) { + switch (prefix) { + case Unknown: prefix = Dollar; break; + case Dollar: break; + case Bare: error = true; break; + } + } + if (error) { + syntax_error(name, "Mixture of polymorphic $ names and normal identifiers are not allowed within record parameters"); + } + } + } +} + + gb_internal Ast *parse_operand(AstFile *f, bool lhs) { Ast *operand = nullptr; // Operand switch (f->curr_token.kind) { @@ -2500,6 +2581,66 @@ gb_internal Ast *parse_operand(AstFile *f, bool lhs) { return ast_matrix_type(f, token, row_count, column_count, type); } break; + case Token_bit_field: { + Token token = expect_token(f, Token_bit_field); + isize prev_level; + + prev_level = f->expr_level; + f->expr_level = -1; + + Ast *backing_type = parse_type_or_ident(f); + if (backing_type == nullptr) { + Token token = advance_token(f); + syntax_error(token, "Expected a backing type for a 'bit_field'"); + backing_type = ast_bad_expr(f, token, f->curr_token); + } + + skip_possible_newline_for_literal(f); + Token open = expect_token_after(f, Token_OpenBrace, "bit_field"); + + + auto fields = array_make<Ast *>(ast_allocator(f), 0, 0); + + while (f->curr_token.kind != Token_CloseBrace && + f->curr_token.kind != Token_EOF) { + CommentGroup *docs = nullptr; + CommentGroup *comment = nullptr; + + Ast *name = parse_ident(f); + bool err_once = false; + while (allow_token(f, Token_Comma)) { + Ast *dummy_name = parse_ident(f); + if (!err_once) { + error(dummy_name, "'bit_field' fields do not support multiple names per field"); + err_once = true; + } + } + expect_token(f, Token_Colon); + Ast *type = parse_type(f); + expect_token(f, Token_Or); + Ast *bit_size = parse_expr(f, true); + + Token tag = {}; + if (f->curr_token.kind == Token_String) { + tag = expect_token(f, Token_String); + } + + Ast *bf_field = ast_bit_field_field(f, name, type, bit_size, tag, docs, comment); + array_add(&fields, bf_field); + + if (!allow_field_separator(f)) { + break; + } + } + + Token close = expect_closing_brace_of_field_list(f); + + f->expr_level = prev_level; + + return ast_bit_field_type(f, token, backing_type, open, fields, close); + } + + case Token_struct: { Token token = expect_token(f, Token_struct); Ast *polymorphic_params = nullptr; @@ -2507,6 +2648,7 @@ 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 +2685,18 @@ 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 +2745,9 @@ 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); + parser_check_polymorphic_record_parameters(f, polymorphic_params); + + 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: { @@ -2683,6 +2839,8 @@ gb_internal Ast *parse_operand(AstFile *f, bool lhs) { auto variants = parse_union_variant_list(f); Token close = expect_closing_brace_of_field_list(f); + parser_check_polymorphic_record_parameters(f, polymorphic_params); + return ast_union_type(f, token, variants, polymorphic_params, align, union_kind, where_token, where_clauses); } break; @@ -3857,6 +4015,10 @@ gb_internal Array<Ast *> convert_to_ident_list(AstFile *f, Array<AstAndFlags> li case Ast_Ident: case Ast_BadExpr: break; + case Ast_Implicit: + syntax_error(ident, "Expected an identifier, '%.*s' which is a keyword", LIT(ident->Implicit.string)); + ident = ast_ident(f, blank_token); + break; case Ast_PolyType: if (allow_poly_names) { @@ -3870,6 +4032,7 @@ gb_internal Array<Ast *> convert_to_ident_list(AstFile *f, Array<AstAndFlags> li } /*fallthrough*/ + default: syntax_error(ident, "Expected an identifier"); ident = ast_ident(f, blank_token); @@ -5445,6 +5608,11 @@ gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node if (collection_name.len > 0) { + // NOTE(bill): `base:runtime` == `core:runtime` + if (collection_name == "core" && string_starts_with(file_str, str_lit("runtime"))) { + collection_name = str_lit("base"); + } + if (collection_name == "system") { if (node->kind != Ast_ForeignImportDecl) { syntax_error(node, "The library collection 'system' is restrict for 'foreign_library'"); @@ -5474,13 +5642,12 @@ gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node #endif } - if (is_package_name_reserved(file_str)) { *path = file_str; - if (collection_name == "core") { + if (collection_name == "core" || collection_name == "base") { return true; } else { - syntax_error(node, "The package '%.*s' must be imported with the core library collection: 'core:%.*s'", LIT(file_str), LIT(file_str)); + syntax_error(node, "The package '%.*s' must be imported with the 'base' library collection: 'base:%.*s'", LIT(file_str), LIT(file_str)); return false; } } @@ -5496,7 +5663,8 @@ gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node if (has_windows_drive) { *path = file_str; } else { - String fullpath = string_trim_whitespace(get_fullpath_relative(permanent_allocator(), base_dir, file_str)); + bool ok = false; + String fullpath = string_trim_whitespace(get_fullpath_relative(permanent_allocator(), base_dir, file_str, &ok)); *path = fullpath; } return true; @@ -6118,7 +6286,11 @@ gb_internal ParseFileError parse_packages(Parser *p, String init_filename) { { // Add these packages serially and then process them parallel TokenPos init_pos = {}; { - String s = get_fullpath_core(permanent_allocator(), str_lit("runtime")); + bool ok = false; + String s = get_fullpath_base_collection(permanent_allocator(), str_lit("runtime"), &ok); + if (!ok) { + compiler_error("Unable to find The 'base:runtime' package. Is the ODIN_ROOT set up correctly?"); + } try_add_import_path(p, s, s, init_pos, Package_Runtime); } @@ -6126,7 +6298,11 @@ gb_internal ParseFileError parse_packages(Parser *p, String init_filename) { p->init_fullpath = init_fullpath; if (build_context.command_kind == Command_test) { - String s = get_fullpath_core(permanent_allocator(), str_lit("testing")); + bool ok = false; + String s = get_fullpath_core_collection(permanent_allocator(), str_lit("testing"), &ok); + if (!ok) { + compiler_error("Unable to find The 'core:testing' package. Is the ODIN_ROOT set up correctly?"); + } try_add_import_path(p, s, s, init_pos, Package_Normal); } |