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-rw-r--r--lib/syntax_tools/src/epp_dodger.erl2
-rw-r--r--lib/syntax_tools/src/erl_comment_scan.erl5
-rw-r--r--lib/syntax_tools/src/erl_prettypr.erl22
-rw-r--r--lib/syntax_tools/src/erl_recomment.erl14
-rw-r--r--lib/syntax_tools/src/erl_syntax.erl5
-rw-r--r--lib/syntax_tools/src/erl_syntax_lib.erl37
-rw-r--r--lib/syntax_tools/src/erl_tidy.erl15
-rw-r--r--lib/syntax_tools/src/igor.erl74
-rw-r--r--lib/syntax_tools/src/prettypr.erl2
9 files changed, 88 insertions, 88 deletions
diff --git a/lib/syntax_tools/src/epp_dodger.erl b/lib/syntax_tools/src/epp_dodger.erl
index 6b0f2034f8..9f6f7d815e 100644
--- a/lib/syntax_tools/src/epp_dodger.erl
+++ b/lib/syntax_tools/src/epp_dodger.erl
@@ -809,6 +809,8 @@ tokens_to_string([{atom,_,A} | Ts]) ->
io_lib:write_atom(A) ++ " " ++ tokens_to_string(Ts);
tokens_to_string([{string, _, S} | Ts]) ->
io_lib:write_string(S) ++ " " ++ tokens_to_string(Ts);
+tokens_to_string([{char, _, C} | Ts]) ->
+ io_lib:write_char(C) ++ " " ++ tokens_to_string(Ts);
tokens_to_string([{float, _, F} | Ts]) ->
float_to_list(F) ++ " " ++ tokens_to_string(Ts);
tokens_to_string([{integer, _, N} | Ts]) ->
diff --git a/lib/syntax_tools/src/erl_comment_scan.erl b/lib/syntax_tools/src/erl_comment_scan.erl
index 09ce21a428..108ab3bffd 100644
--- a/lib/syntax_tools/src/erl_comment_scan.erl
+++ b/lib/syntax_tools/src/erl_comment_scan.erl
@@ -26,6 +26,7 @@
-export([file/1, join_lines/1, scan_lines/1, string/1]).
+-export_type([comment/0]).
%% =====================================================================
@@ -273,12 +274,8 @@ join_lines([], Txt, L, Col, Ind) ->
filename([C|T]) when is_integer(C), C > 0, C =< 255 ->
[C | filename(T)];
-filename([H|T]) ->
- filename(H) ++ filename(T);
filename([]) ->
[];
-filename(N) when is_atom(N) ->
- atom_to_list(N);
filename(N) ->
report_error("bad filename: `~P'.", [N, 25]),
exit(error).
diff --git a/lib/syntax_tools/src/erl_prettypr.erl b/lib/syntax_tools/src/erl_prettypr.erl
index 606441bcf1..7caf0b3db6 100644
--- a/lib/syntax_tools/src/erl_prettypr.erl
+++ b/lib/syntax_tools/src/erl_prettypr.erl
@@ -50,11 +50,15 @@
-type hook() :: 'none'
| fun((erl_syntax:syntaxTree(), _, _) -> prettypr:document()).
+-type clause_t() :: 'case_expr' | 'cond_expr' | 'fun_expr'
+ | 'if_expr' | 'receive_expr' | 'try_expr'
+ | {'function', prettypr:document()}
+ | {'rule', prettypr:document()}.
-record(ctxt, {prec = 0 :: integer(),
sub_indent = 2 :: non_neg_integer(),
break_indent = 4 :: non_neg_integer(),
- clause = undefined,
+ clause = undefined :: clause_t() | 'undefined',
hook = ?NOHOOK :: hook(),
paper = ?PAPER :: integer(),
ribbon = ?RIBBON :: integer(),
@@ -384,7 +388,7 @@ lay_postcomments(Cs, D) ->
beside(D, floating(break(stack_comments(Cs, true)), 1, 0)).
%% Format (including padding, if `Pad' is `true', otherwise not)
-%% and stack the listed comments above each other,
+%% and stack the listed comments above each other.
stack_comments([C | Cs], Pad) ->
D = stack_comment_lines(erl_syntax:comment_text(C)),
@@ -405,9 +409,7 @@ stack_comments([C | Cs], Pad) ->
D1; % done
_ ->
above(D1, stack_comments(Cs, Pad))
- end;
-stack_comments([], _) ->
- empty().
+ end.
%% Stack lines of text above each other and prefix each string in
%% the list with a single `%' character.
@@ -601,9 +603,8 @@ lay_2(Node, Ctxt) ->
case_expr ->
Ctxt1 = reset_prec(Ctxt),
D1 = lay(erl_syntax:case_expr_argument(Node), Ctxt1),
- D2 = lay_clauses(
- erl_syntax:case_expr_clauses(Node),
- case_expr, Ctxt1),
+ D2 = lay_clauses(erl_syntax:case_expr_clauses(Node),
+ case_expr, Ctxt1),
sep([par([follow(text("case"), D1, Ctxt1#ctxt.sub_indent),
text("of")],
Ctxt1#ctxt.break_indent),
@@ -821,9 +822,8 @@ lay_2(Node, Ctxt) ->
receive_expr ->
Ctxt1 = reset_prec(Ctxt),
- D1 = lay_clauses(
- erl_syntax:receive_expr_clauses(Node),
- receive_expr, Ctxt1),
+ D1 = lay_clauses(erl_syntax:receive_expr_clauses(Node),
+ receive_expr, Ctxt1),
D2 = case erl_syntax:receive_expr_timeout(Node) of
none ->
D1;
diff --git a/lib/syntax_tools/src/erl_recomment.erl b/lib/syntax_tools/src/erl_recomment.erl
index 145bbc6f37..919e9cfc5d 100644
--- a/lib/syntax_tools/src/erl_recomment.erl
+++ b/lib/syntax_tools/src/erl_recomment.erl
@@ -215,7 +215,8 @@ comment_delta(Text) ->
%% the source file itself, but have been included by preprocessing. This
%% way, comments will not be inserted into such parts by mistake.
--record(filter, {file = undefined, line = 0 :: integer()}).
+-record(filter, {file = undefined :: file:filename() | 'undefined',
+ line = 0 :: integer()}).
filter_forms(Fs) ->
filter_forms(Fs, false, #filter{}).
@@ -486,7 +487,7 @@ build_tree(Node) ->
%% Include L, while preserving Min =< Max.
tree_node(minpos(L, Min),
- max(L, Max),
+ erlang:max(L, Max),
erl_syntax:type(Node),
erl_syntax:get_attrs(Node),
Subtrees)
@@ -507,7 +508,7 @@ build_list(Ts) ->
build_list([T | Ts], Min, Max, Ack) ->
Node = build_tree(T),
Min1 = minpos(node_min(Node), Min),
- Max1 = max(node_max(Node), Max),
+ Max1 = erlang:max(node_max(Node), Max),
build_list(Ts, Min1, Max1, [Node | Ack]);
build_list([], Min, Max, Ack) ->
list_node(Min, Max, lists:reverse(Ack)).
@@ -518,7 +519,7 @@ build_list_list(Ls) ->
build_list_list([L | Ls], Min, Max, Ack) ->
Node = build_list(L),
Min1 = minpos(node_min(Node), Min),
- Max1 = max(node_max(Node), Max),
+ Max1 = erlang:max(node_max(Node), Max),
build_list_list(Ls, Min1, Max1, [Node | Ack]);
build_list_list([], Min, Max, Ack) ->
{lists:reverse(Ack), Min, Max}.
@@ -721,11 +722,6 @@ tree_node_attrs(#tree{attrs = Attrs}) ->
%% =====================================================================
%% General utility functions
-%% Just the generic "maximum" function
-
-max(X, Y) when X > Y -> X;
-max(_, Y) -> Y.
-
%% Return the least positive integer of X and Y, or zero if none of them
%% are positive. (This is necessary for computing minimum source line
%% numbers, since zero (or negative) numbers may occur, but they
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index 9a2967d550..9df5f26454 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -309,6 +309,7 @@
data/1,
is_tree/1]).
+-export_type([forms/0, syntaxTree/0, syntaxTreeAttributes/0]).
%% =====================================================================
%% IMPLEMENTATION NOTES:
@@ -1817,7 +1818,7 @@ char_value(Node) ->
%%
%% @see char/1
--spec char_literal(syntaxTree()) -> string().
+-spec char_literal(syntaxTree()) -> nonempty_string().
char_literal(Node) ->
io_lib:write_char(char_value(Node)).
@@ -1907,7 +1908,7 @@ string_value(Node) ->
%%
%% @see string/1
--spec string_literal(syntaxTree()) -> string().
+-spec string_literal(syntaxTree()) -> nonempty_string().
string_literal(Node) ->
io_lib:write_string(string_value(Node)).
diff --git a/lib/syntax_tools/src/erl_syntax_lib.erl b/lib/syntax_tools/src/erl_syntax_lib.erl
index 5c4e074488..97dfbfd7cd 100644
--- a/lib/syntax_tools/src/erl_syntax_lib.erl
+++ b/lib/syntax_tools/src/erl_syntax_lib.erl
@@ -46,9 +46,7 @@
new_variable_names/2, new_variable_names/3, strip_comments/1,
to_comment/1, to_comment/2, to_comment/3, variables/1]).
-%% =====================================================================
-
--type ordset(X) :: [X]. % XXX: TAKE ME OUT
+-export_type([info_pair/0]).
%% =====================================================================
%% @spec map(Function, Tree::syntaxTree()) -> syntaxTree()
@@ -400,10 +398,7 @@ new_variable_name(N, R, _T, F, S) ->
%% implementation of `sets'.
start_range(S) ->
- max(sets:size(S) * ?START_RANGE_FACTOR, ?MINIMUM_RANGE).
-
-max(X, Y) when X > Y -> X;
-max(_, Y) -> Y.
+ erlang:max(sets:size(S) * ?START_RANGE_FACTOR, ?MINIMUM_RANGE).
%% The previous number might or might not be used to compute the
%% next number to be tried. It is currently not used.
@@ -481,7 +476,7 @@ new_variable_names(0, Names, _, _, _) ->
%% @see annotate_bindings/1
%% @see //stdlib/ordsets
--spec annotate_bindings(erl_syntax:syntaxTree(), ordset(atom())) ->
+-spec annotate_bindings(erl_syntax:syntaxTree(), ordsets:ordset(atom())) ->
erl_syntax:syntaxTree().
annotate_bindings(Tree, Env) ->
@@ -1135,21 +1130,21 @@ collect_attribute(_, {N, V}, Info) ->
%% Abstract datatype for collecting module information.
--record(forms, {module, exports, module_imports, imports, attributes,
- records, errors, warnings, functions, rules}).
+-record(forms, {module = none :: 'none' | {'value', atom()},
+ exports = [] :: [{atom(), arity()}],
+ module_imports = [] :: [atom()],
+ imports = [] :: [{atom(), [{atom(), arity()}]}],
+ attributes = [] :: [{atom(), term()}],
+ records = [] :: [{atom(), [{atom(), field_default()}]}],
+ errors = [] :: [term()],
+ warnings = [] :: [term()],
+ functions = [] :: [{atom(), arity()}],
+ rules = [] :: [{atom(), arity()}]}).
+
+-type field_default() :: 'none' | erl_syntax:syntaxTree().
new_finfo() ->
- #forms{module = none,
- exports = [],
- module_imports = [],
- imports = [],
- attributes = [],
- records = [],
- errors = [],
- warnings = [],
- functions = [],
- rules = []
- }.
+ #forms{}.
finfo_set_module(Name, Info) ->
case Info#forms.module of
diff --git a/lib/syntax_tools/src/erl_tidy.erl b/lib/syntax_tools/src/erl_tidy.erl
index 021ab18736..1cfdc7234a 100644
--- a/lib/syntax_tools/src/erl_tidy.erl
+++ b/lib/syntax_tools/src/erl_tidy.erl
@@ -935,12 +935,13 @@ hidden_uses_2(Tree, Used) ->
Used
end.
+-type fa() :: {atom(), arity()}.
-type context() :: 'guard_expr' | 'guard_test' | 'normal'.
-record(env, {file :: file:filename(),
- module,
- current,
- imports,
+ module :: atom(),
+ current :: fa(),
+ imports = dict:new() :: dict(),
context = normal :: context(),
verbosity = 1 :: 0 | 1 | 2,
quiet = false :: boolean(),
@@ -951,7 +952,13 @@ hidden_uses_2(Tree, Used) ->
new_guard_tests = true :: boolean(),
old_guard_tests = false :: boolean()}).
--record(st, {varc, used, imported, vars, functions, new_forms, rename}).
+-record(st, {varc :: non_neg_integer(),
+ used = sets:new() :: set(),
+ imported :: set(),
+ vars :: set(),
+ functions :: set(),
+ new_forms = [] :: [erl_syntax:syntaxTree()],
+ rename :: dict()}).
visit_used(Names, Defs, Roots, Imports, Module, Opts) ->
File = proplists:get_value(file, Opts, ""),
diff --git a/lib/syntax_tools/src/igor.erl b/lib/syntax_tools/src/igor.erl
index e92e9593b6..aa933eb54b 100644
--- a/lib/syntax_tools/src/igor.erl
+++ b/lib/syntax_tools/src/igor.erl
@@ -119,20 +119,16 @@
%% =====================================================================
--type ordset(X) :: [X]. % XXX: TAKE ME OUT
-
-%% =====================================================================
-
%% Data structure for module information
-record(module, {name :: atom(),
vars = none :: [atom()] | 'none',
- functions :: ordset({atom(), arity()}),
- exports :: ordset({atom(), arity()})
- | ordset({{atom(), arity()}, term()}),
- aliases :: ordset({{atom(), arity()},
- {atom(), {atom(), arity()}}}),
- attributes :: ordset({atom(), term()}),
+ functions :: ordsets:ordset({atom(), arity()}),
+ exports :: ordsets:ordset({atom(), arity()})
+ | ordsets:ordset({{atom(), arity()}, term()}),
+ aliases :: ordsets:ordset({{atom(), arity()},
+ {atom(), {atom(), arity()}}}),
+ attributes :: ordsets:ordset({atom(), term()}),
records :: [{atom(), [{atom(), term()}]}]
}).
@@ -149,7 +145,7 @@ default_printer(Tree, Options) ->
-type moduleName() :: atom().
-type functionName() :: {atom(), arity()}.
-type functionPair() :: {functionName(), {moduleName(), functionName()}}.
--type stubDescriptor() :: [{moduleName(), [functionPair()], [attribute()]}].
+-type stubDescriptor() :: {moduleName(), [functionPair()], [attribute()]}.
-type notes() :: 'always' | 'yes' | 'no'.
@@ -209,7 +205,7 @@ parse_transform(Forms, Options) ->
%% @spec merge(Name::atom(), Files::[filename()]) -> [filename()]
%% @equiv merge(Name, Files, [])
--spec merge(atom(), [file:filename()]) -> [file:filename()].
+-spec merge(atom(), [file:filename()]) -> [file:filename(),...].
merge(Name, Files) ->
merge(Name, Files, []).
@@ -343,7 +339,7 @@ merge(Name, Files) ->
{suffix, ?DEFAULT_SUFFIX},
{verbose, false}]).
--spec merge(atom(), [file:filename()], [option()]) -> [file:filename()].
+-spec merge(atom(), [file:filename()], [option()]) -> [file:filename(),...].
merge(Name, Files, Opts) ->
Opts1 = Opts ++ ?DEFAULT_MERGE_OPTS,
@@ -484,7 +480,7 @@ merge_files(Name, Trees, Files, Opts) ->
%%
%% Forms = syntaxTree() | [syntaxTree()]
%%
-%% @type stubDescriptor() = [{ModuleName, Functions, [Attribute]}]
+%% @type stubDescriptor() = {ModuleName, Functions, [Attribute]}
%% ModuleName = atom()
%% Functions = [{FunctionName, {ModuleName, FunctionName}}]
%% FunctionName = {atom(), integer()}
@@ -687,19 +683,19 @@ merge_files(Name, Trees, Files, Opts) ->
%% Data structure for merging environment.
-record(merge, {target :: atom(),
- sources :: ordset(atom()),
- export :: ordset(atom()),
- static :: ordset(atom()),
- safe :: ordset(atom()),
+ sources :: ordsets:ordset(atom()),
+ export :: ordsets:ordset(atom()),
+ static :: ordsets:ordset(atom()),
+ safe :: ordsets:ordset(atom()),
preserved :: boolean(),
no_headers :: boolean(),
notes :: notes(),
redirect :: dict(), % = dict(atom(), atom())
- no_imports :: ordset(atom()),
+ no_imports :: ordsets:ordset(atom()),
options :: [option()]
}).
--spec merge_sources(atom(), erl_syntax:forms(), [option()]) ->
+-spec merge_sources(atom(), [erl_syntax:forms()], [option()]) ->
{erl_syntax:syntaxTree(), [stubDescriptor()]}.
merge_sources(Name, Sources, Opts) ->
@@ -782,12 +778,12 @@ merge_sources_1(Name, Modules, Trees, Opts) ->
%% however not "safe" by default. If no modules are explicitly
%% specified as static, it is assumed that *all* are static.
Static0 = ordsets:from_list(proplists:append_values(static, Opts)),
- case proplists:is_defined(static, Opts) of
- false ->
- Static = All;
- true ->
- Static = ordsets:add_element(Name, Static0)
- end,
+ Static = case proplists:is_defined(static, Opts) of
+ false ->
+ All;
+ true ->
+ ordsets:add_element(Name, Static0)
+ end,
check_module_names(Static, All, "declared 'static'"),
verbose("static modules: ~p.", [Static], Opts),
@@ -806,8 +802,8 @@ merge_sources_1(Name, Modules, Trees, Opts) ->
verbose("safe modules: ~p.", [Safe], Opts),
Preserved = (ordsets:is_element(Name, Sources)
- and ordsets:is_element(Name, Export))
- or proplists:get_bool(no_banner, Opts),
+ andalso ordsets:is_element(Name, Export))
+ orelse proplists:get_bool(no_banner, Opts),
NoHeaders = proplists:get_bool(no_headers, Opts),
Notes = proplists:get_value(notes, Opts, always),
Rs = proplists:append_values(redirect, Opts),
@@ -1035,7 +1031,12 @@ make_stub(M, Map, Env) ->
%% Removing and/or out-commenting program forms. The returned form
%% sequence tree is not necessarily flat.
--record(filter, {records :: set(), file_attributes, attributes}).
+-type atts() :: 'delete' | 'kill'.
+-type file_atts() :: 'delete' | 'keep' | 'kill'.
+
+-record(filter, {records :: set(),
+ file_attributes :: file_atts(),
+ attributes :: atts()}).
filter_forms(Tree, Env) ->
Forms = erl_syntax:form_list_elements(
@@ -1576,6 +1577,8 @@ alias_expansions_2(Modules, Table) ->
%% ---------------------------------------------------------------------
%% Merging the source code.
+-type map_fun() :: fun(({atom(), integer()}) -> {atom(), integer()}).
+
%% Data structure for code transformation environment.
-record(code, {module :: atom(),
@@ -1586,11 +1589,10 @@ alias_expansions_2(Modules, Table) ->
preserved :: boolean(),
no_headers :: boolean(),
notes :: notes(),
- map, % = ({atom(), int()}) -> {atom(), int()}
- renaming, % = (atom()) -> ({atom(), int()}) ->
- % {atom(), int()}
- expand :: dict(), % = dict({atom(), int()},
- % {atom(), {atom(), int()}})
+ map :: map_fun(),
+ renaming :: fun((atom()) -> map_fun()),
+ expand :: dict(), % = dict({atom(), integer()},
+ % {atom(), {atom(), integer()}})
redirect :: dict() % = dict(atom(), atom())
}).
@@ -2924,9 +2926,7 @@ make_attribute({Name, Term}) ->
[erl_syntax:abstract(Term)]).
is_auto_import({F, A}) ->
- erl_internal:bif(F, A);
-is_auto_import(_) ->
- false.
+ erl_internal:bif(F, A).
timestamp() ->
{{Yr, Mth, Dy}, {Hr, Mt, Sc}} = erlang:localtime(),
diff --git a/lib/syntax_tools/src/prettypr.erl b/lib/syntax_tools/src/prettypr.erl
index 1868f63e54..c13fa30998 100644
--- a/lib/syntax_tools/src/prettypr.erl
+++ b/lib/syntax_tools/src/prettypr.erl
@@ -48,6 +48,8 @@
nest/2, par/1, par/2, sep/1, text/1, null_text/1, text_par/1,
text_par/2]).
+-export_type([document/0]).
+
%% ---------------------------------------------------------------------
-type deep_string() :: [char() | deep_string()].