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-rw-r--r--lib/syntax_tools/src/erl_tidy.erl23
1 files changed, 13 insertions, 10 deletions
diff --git a/lib/syntax_tools/src/erl_tidy.erl b/lib/syntax_tools/src/erl_tidy.erl
index 62312c3f76..2e0ee209f8 100644
--- a/lib/syntax_tools/src/erl_tidy.erl
+++ b/lib/syntax_tools/src/erl_tidy.erl
@@ -36,6 +36,11 @@
%% been reasonably well tested, but the possibility of errors remains.
%% Keep backups of your original code safely stored, until you feel
%% confident that the new, modified code can be trusted.
+%%
+%% @type syntaxTree() = erl_syntax:syntaxTree(). An abstract syntax
+%% tree. See the {@link erl_syntax} module for details.
+%%
+%% @type filename() = file:filename().
-module(erl_tidy).
@@ -79,7 +84,6 @@ dir(Dir) ->
%% =====================================================================
%% @spec dir(Directory::filename(), Options::[term()]) -> ok
-%% filename() = file:filename()
%%
%% @doc Tidies Erlang source files in a directory and its
%% subdirectories.
@@ -206,7 +210,7 @@ file__defaults() ->
{verbose, false}].
default_printer() ->
- fun (Tree, Options) -> erl_prettypr:format(Tree, Options) end.
+ fun erl_prettypr:format/2.
%% =====================================================================
%% @spec file(Name) -> ok
@@ -253,7 +257,7 @@ file(Name) ->
%%
%% <dt>{printer, Function}</dt>
%% <dd><ul>
-%% <li>`Function = (syntaxTree()) -> string()'</li>
+%% <li>`Function = (syntaxTree(), [term()]) -> string()'</li>
%% </ul>
%%
%% Specifies a function for prettyprinting Erlang syntax trees.
@@ -414,7 +418,7 @@ write_module(Tree, Name, Opts) ->
print_module(Tree, Opts) ->
Printer = proplists:get_value(printer, Opts),
- io:format(Printer(Tree, Opts)).
+ io:put_chars(Printer(Tree, Opts)).
output(FD, Printer, Tree, Opts) ->
io:put_chars(FD, Printer(Tree, Opts)),
@@ -513,7 +517,6 @@ module(Forms) ->
%% @spec module(Forms, Options::[term()]) -> syntaxTree()
%%
%% Forms = syntaxTree() | [syntaxTree()]
-%% syntaxTree() = erl_syntax:syntaxTree()
%%
%% @doc Tidies a syntax tree representation of a module
%% definition. The given `Forms' may be either a single
@@ -937,7 +940,7 @@ hidden_uses_2(Tree, Used) ->
-record(env, {file :: file:filename(),
module :: atom(),
- current :: fa(),
+ current :: fa() | 'undefined',
imports = dict:new() :: dict:dict(atom(), atom()),
context = normal :: context(),
verbosity = 1 :: 0 | 1 | 2,
@@ -949,10 +952,10 @@ hidden_uses_2(Tree, Used) ->
new_guard_tests = true :: boolean(),
old_guard_tests = false :: boolean()}).
--record(st, {varc :: non_neg_integer(),
+-record(st, {varc :: non_neg_integer() | 'undefined',
used = sets:new() :: sets:set({atom(), arity()}),
imported :: sets:set({atom(), arity()}),
- vars :: sets:set(atom()),
+ vars :: sets:set(atom()) | 'undefined',
functions :: sets:set({atom(), arity()}),
new_forms = [] :: [erl_syntax:syntaxTree()],
rename :: dict:dict(mfa(), {atom(), atom()})}).
@@ -1064,13 +1067,13 @@ visit_clause(Tree, Env, St0) ->
visit_infix_expr(Tree, #env{context = guard_test}, St0) ->
%% Detect transition from guard test to guard expression.
- visit_other(Tree, #env{context = guard_expr}, St0);
+ visit_other(Tree, #env{context = guard_expr, file = ""}, St0);
visit_infix_expr(Tree, Env, St0) ->
visit_other(Tree, Env, St0).
visit_prefix_expr(Tree, #env{context = guard_test}, St0) ->
%% Detect transition from guard test to guard expression.
- visit_other(Tree, #env{context = guard_expr}, St0);
+ visit_other(Tree, #env{context = guard_expr, file = ""}, St0);
visit_prefix_expr(Tree, Env, St0) ->
visit_other(Tree, Env, St0).