diff options
Diffstat (limited to 'src/parser.cpp')
| -rw-r--r-- | src/parser.cpp | 94 |
1 files changed, 57 insertions, 37 deletions
diff --git a/src/parser.cpp b/src/parser.cpp index 5aa11b5d0..0cd96f5b5 100644 --- a/src/parser.cpp +++ b/src/parser.cpp @@ -555,7 +555,7 @@ gb_internal Ast *ast_unary_expr(AstFile *f, Token op, Ast *expr) { syntax_error_with_verbose(expr, "'or_return' within an unary expression not wrapped in parentheses (...)"); break; case Ast_OrBranchExpr: - syntax_error_with_verbose(expr, "'or_%.*s' within an unary expression not wrapped in parentheses (...)", LIT(expr->OrBranchExpr.token.string)); + syntax_error_with_verbose(expr, "'%.*s' within an unary expression not wrapped in parentheses (...)", LIT(expr->OrBranchExpr.token.string)); break; } @@ -583,7 +583,7 @@ gb_internal Ast *ast_binary_expr(AstFile *f, Token op, Ast *left, Ast *right) { syntax_error_with_verbose(left, "'or_return' within a binary expression not wrapped in parentheses (...)"); break; case Ast_OrBranchExpr: - syntax_error_with_verbose(left, "'or_%.*s' within a binary expression not wrapped in parentheses (...)", LIT(left->OrBranchExpr.token.string)); + syntax_error_with_verbose(left, "'%.*s' within a binary expression not wrapped in parentheses (...)", LIT(left->OrBranchExpr.token.string)); break; } if (right) switch (right->kind) { @@ -591,7 +591,7 @@ gb_internal Ast *ast_binary_expr(AstFile *f, Token op, Ast *left, Ast *right) { syntax_error_with_verbose(right, "'or_return' within a binary expression not wrapped in parentheses (...)"); break; case Ast_OrBranchExpr: - syntax_error_with_verbose(right, "'or_%.*s' within a binary expression not wrapped in parentheses (...)", LIT(right->OrBranchExpr.token.string)); + syntax_error_with_verbose(right, "'%.*s' within a binary expression not wrapped in parentheses (...)", LIT(right->OrBranchExpr.token.string)); break; } @@ -1284,14 +1284,16 @@ gb_internal Ast *ast_import_decl(AstFile *f, Token token, Token relpath, Token i return result; } -gb_internal Ast *ast_foreign_import_decl(AstFile *f, Token token, Array<Token> filepaths, Token library_name, - CommentGroup *docs, CommentGroup *comment) { +gb_internal Ast *ast_foreign_import_decl(AstFile *f, Token token, Array<Ast *> filepaths, Token library_name, + bool multiple_filepaths, + CommentGroup *docs, CommentGroup *comment) { Ast *result = alloc_ast_node(f, Ast_ForeignImportDecl); result->ForeignImportDecl.token = token; result->ForeignImportDecl.filepaths = slice_from_array(filepaths); result->ForeignImportDecl.library_name = library_name; result->ForeignImportDecl.docs = docs; result->ForeignImportDecl.comment = comment; + result->ForeignImportDecl.multiple_filepaths = multiple_filepaths; result->ForeignImportDecl.attributes.allocator = ast_allocator(f); return result; @@ -2089,6 +2091,9 @@ gb_internal bool ast_on_same_line(Token const &x, Ast *yp) { gb_internal Ast *parse_force_inlining_operand(AstFile *f, Token token) { Ast *expr = parse_unary_expr(f, false); Ast *e = strip_or_return_expr(expr); + if (e == nullptr) { + return expr; + } if (e->kind != Ast_ProcLit && e->kind != Ast_CallExpr) { syntax_error(expr, "%.*s must be followed by a procedure literal or call, got %.*s", LIT(token.string), LIT(ast_strings[expr->kind])); return ast_bad_expr(f, token, f->curr_token); @@ -3100,7 +3105,7 @@ gb_internal void parse_check_or_return(Ast *operand, char const *msg) { syntax_error_with_verbose(operand, "'or_return' use within %s is not wrapped in parentheses (...)", msg); break; case Ast_OrBranchExpr: - syntax_error_with_verbose(operand, "'or_%.*s' use within %s is not wrapped in parentheses (...)", msg, LIT(operand->OrBranchExpr.token.string)); + syntax_error_with_verbose(operand, "'%.*s' use within %s is not wrapped in parentheses (...)", msg, LIT(operand->OrBranchExpr.token.string)); break; } } @@ -3745,8 +3750,10 @@ gb_internal Ast *parse_simple_stmt(AstFile *f, u32 flags) { case Ast_TypeSwitchStmt: stmt->TypeSwitchStmt.partial = true; break; + default: + syntax_error(partial_token, "Incorrect use of directive, use '%.*s: #partial switch'", LIT(ast_token(name).string)); + break; } - syntax_error(partial_token, "Incorrect use of directive, use '#partial %.*s: switch'", LIT(ast_token(name).string)); } else if (is_reverse) { switch (stmt->kind) { case Ast_RangeStmt: @@ -4882,14 +4889,17 @@ gb_internal Ast *parse_foreign_decl(AstFile *f) { if (is_blank_ident(lib_name)) { syntax_error(lib_name, "Illegal foreign import name: '_'"); } - Array<Token> filepaths = {}; + bool multiple_filepaths = false; + + Array<Ast *> filepaths = {}; if (allow_token(f, Token_OpenBrace)) { + multiple_filepaths = true; array_init(&filepaths, ast_allocator(f)); while (f->curr_token.kind != Token_CloseBrace && f->curr_token.kind != Token_EOF) { - Token path = expect_token(f, Token_String); + Ast *path = parse_expr(f, false); array_add(&filepaths, path); if (!allow_field_separator(f)) { @@ -4898,9 +4908,10 @@ gb_internal Ast *parse_foreign_decl(AstFile *f) { } expect_closing_brace_of_field_list(f); } else { - filepaths = array_make<Token>(ast_allocator(f), 0, 1); + filepaths = array_make<Ast *>(ast_allocator(f), 0, 1); Token path = expect_token(f, Token_String); - array_add(&filepaths, path); + Ast *lit = ast_basic_lit(f, path); + array_add(&filepaths, lit); } Ast *s = nullptr; @@ -4909,9 +4920,9 @@ gb_internal Ast *parse_foreign_decl(AstFile *f) { s = ast_bad_decl(f, lib_name, f->curr_token); } else if (f->curr_proc != nullptr) { syntax_error(lib_name, "You cannot use foreign import within a procedure. This must be done at the file scope"); - s = ast_bad_decl(f, lib_name, filepaths[0]); + s = ast_bad_decl(f, lib_name, ast_token(filepaths[0])); } else { - s = ast_foreign_import_decl(f, token, filepaths, lib_name, docs, f->line_comment); + s = ast_foreign_import_decl(f, token, filepaths, lib_name, multiple_filepaths, docs, f->line_comment); } expect_semicolon(f); return s; @@ -5170,7 +5181,7 @@ gb_internal Ast *parse_stmt(AstFile *f) { } else if (tag == "unroll") { return parse_unrolled_for_loop(f, name); } else if (tag == "reverse") { - Ast *for_stmt = parse_for_stmt(f); + Ast *for_stmt = parse_stmt(f); if (for_stmt->kind == Ast_RangeStmt) { if (for_stmt->RangeStmt.reverse) { syntax_error(token, "#reverse already applied to a 'for in' statement"); @@ -5648,9 +5659,19 @@ gb_internal bool is_package_name_reserved(String const &name) { } -gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node, String base_dir, String const &original_string, String *path) { +gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node, String base_dir, String const &original_string, String *path, bool use_check_errors=false) { GB_ASSERT(path != nullptr); + void (*do_error)(Ast *, char const *, ...); + void (*do_warning)(Token const &, char const *, ...); + + do_error = &syntax_error; + do_warning = &syntax_warning; + if (use_check_errors) { + do_error = &error; + do_error = &warning; + } + // NOTE(bill): if file_mutex == nullptr, this means that the code is used within the semantics stage String collection_name = {}; @@ -5677,7 +5698,7 @@ gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node String file_str = {}; if (colon_pos == 0) { - syntax_error(node, "Expected a collection name"); + do_error(node, "Expected a collection name"); return false; } @@ -5692,11 +5713,11 @@ gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node if (has_windows_drive) { String sub_file_path = substring(file_str, 3, file_str.len); if (!is_import_path_valid(sub_file_path)) { - syntax_error(node, "Invalid import path: '%.*s'", LIT(file_str)); + do_error(node, "Invalid import path: '%.*s'", LIT(file_str)); return false; } } else if (!is_import_path_valid(file_str)) { - syntax_error(node, "Invalid import path: '%.*s'", LIT(file_str)); + do_error(node, "Invalid import path: '%.*s'", LIT(file_str)); return false; } @@ -5718,16 +5739,16 @@ gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node } if (replace_with_base) { if (ast_file_vet_deprecated(node->file())) { - syntax_error(node, "import \"core:%.*s\" has been deprecated in favour of \"base:%.*s\"", LIT(file_str), LIT(file_str)); + do_error(node, "import \"core:%.*s\" has been deprecated in favour of \"base:%.*s\"", LIT(file_str), LIT(file_str)); } else { - syntax_warning(ast_token(node), "import \"core:%.*s\" has been deprecated in favour of \"base:%.*s\"", LIT(file_str), LIT(file_str)); + do_warning(ast_token(node), "import \"core:%.*s\" has been deprecated in favour of \"base:%.*s\"", LIT(file_str), LIT(file_str)); } } } if (collection_name == "system") { if (node->kind != Ast_ForeignImportDecl) { - syntax_error(node, "The library collection 'system' is restrict for 'foreign_library'"); + do_error(node, "The library collection 'system' is restrict for 'foreign import'"); return false; } else { *path = file_str; @@ -5735,7 +5756,7 @@ gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node } } else if (!find_library_collection_path(collection_name, &base_dir)) { // NOTE(bill): It's a naughty name - syntax_error(node, "Unknown library collection: '%.*s'", LIT(collection_name)); + do_error(node, "Unknown library collection: '%.*s'", LIT(collection_name)); return false; } } else { @@ -5759,7 +5780,7 @@ gb_internal bool determine_path_from_string(BlockingMutex *file_mutex, Ast *node if (collection_name == "core" || collection_name == "base") { return true; } else { - syntax_error(node, "The package '%.*s' must be imported with the 'base' library collection: 'base:%.*s'", LIT(file_str), LIT(file_str)); + do_error(node, "The package '%.*s' must be imported with the 'base' library collection: 'base:%.*s'", LIT(file_str), LIT(file_str)); return false; } } @@ -5844,30 +5865,29 @@ gb_internal void parse_setup_file_decls(Parser *p, AstFile *f, String const &bas } else if (node->kind == Ast_ForeignImportDecl) { ast_node(fl, ForeignImportDecl, node); - auto fullpaths = array_make<String>(permanent_allocator(), 0, fl->filepaths.count); - - for (Token const &fp : fl->filepaths) { - String file_str = string_trim_whitespace(string_value_from_token(f, fp)); + if (fl->filepaths.count == 0) { + syntax_error(decls[i], "No foreign paths found"); + decls[i] = ast_bad_decl(f, ast_token(fl->filepaths[0]), ast_end_token(fl->filepaths[fl->filepaths.count-1])); + goto end; + } else if (!fl->multiple_filepaths && + fl->filepaths.count == 1) { + Ast *fp = fl->filepaths[0]; + GB_ASSERT(fp->kind == Ast_BasicLit); + Token fp_token = fp->BasicLit.token; + String file_str = string_trim_whitespace(string_value_from_token(f, fp_token)); String fullpath = file_str; if (allow_check_foreign_filepath()) { String foreign_path = {}; bool ok = determine_path_from_string(&p->file_decl_mutex, node, base_dir, file_str, &foreign_path); if (!ok) { - decls[i] = ast_bad_decl(f, fp, fl->filepaths[fl->filepaths.count-1]); + decls[i] = ast_bad_decl(f, fp_token, fp_token); goto end; } fullpath = foreign_path; } - array_add(&fullpaths, fullpath); + fl->fullpaths = slice_make<String>(permanent_allocator(), 1); + fl->fullpaths[0] = fullpath; } - if (fullpaths.count == 0) { - syntax_error(decls[i], "No foreign paths found"); - decls[i] = ast_bad_decl(f, fl->filepaths[0], fl->filepaths[fl->filepaths.count-1]); - goto end; - } - - fl->fullpaths = slice_from_array(fullpaths); - } else if (node->kind == Ast_WhenStmt) { ast_node(ws, WhenStmt, node); |