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-rw-r--r--lib/syntax_tools/src/erl_syntax.erl2
-rw-r--r--lib/syntax_tools/src/erl_syntax_lib.erl12
-rw-r--r--lib/syntax_tools/src/erl_tidy.erl10
-rw-r--r--lib/syntax_tools/src/igor.erl5
-rw-r--r--lib/syntax_tools/src/merl.erl22
-rw-r--r--lib/syntax_tools/src/merl_transform.erl16
6 files changed, 46 insertions, 21 deletions
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index 3f2a3e05dd..97b5797b06 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -355,7 +355,7 @@
%% where `Pos' `Ann' and `Comments' are the corresponding values of a
%% `tree' or `wrapper' record.
--record(attr, {pos = 0 :: term(),
+-record(attr, {pos = erl_anno:new(0) :: term(),
ann = [] :: [term()],
com = none :: 'none' | #com{}}).
-type syntaxTreeAttributes() :: #attr{}.
diff --git a/lib/syntax_tools/src/erl_syntax_lib.erl b/lib/syntax_tools/src/erl_syntax_lib.erl
index 5b5b18d15b..58c4cc5244 100644
--- a/lib/syntax_tools/src/erl_syntax_lib.erl
+++ b/lib/syntax_tools/src/erl_syntax_lib.erl
@@ -359,9 +359,9 @@ new_variable_name(S) ->
%% within a reasonably small range relative to the number of elements in
%% the set.
%%
-%% This function uses the module `random' to generate new
+%% This function uses the module `rand' to generate new
%% keys. The seed it uses may be initialized by calling
-%% `random:seed/0' or `random:seed/3' before this
+%% `rand:seed/1' or `rand:seed/2' before this
%% function is first called.
%%
%% @see new_variable_name/1
@@ -404,7 +404,13 @@ start_range(S) ->
%% order, but (pseudo-)randomly distributed over the range.
generate(_Key, Range) ->
- random:uniform(Range). % works well
+ _ = case rand:export_seed() of
+ undefined ->
+ rand:seed(exsplus, {753,8,73});
+ _ ->
+ ok
+ end,
+ rand:uniform(Range). % works well
%% =====================================================================
diff --git a/lib/syntax_tools/src/erl_tidy.erl b/lib/syntax_tools/src/erl_tidy.erl
index db7f0939a3..f2de12b410 100644
--- a/lib/syntax_tools/src/erl_tidy.erl
+++ b/lib/syntax_tools/src/erl_tidy.erl
@@ -937,7 +937,7 @@ 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 +949,10 @@ 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 +1064,13 @@ 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).
diff --git a/lib/syntax_tools/src/igor.erl b/lib/syntax_tools/src/igor.erl
index eac5af5540..4557678f9d 100644
--- a/lib/syntax_tools/src/igor.erl
+++ b/lib/syntax_tools/src/igor.erl
@@ -1594,10 +1594,11 @@ alias_expansions_2(Modules, Table) ->
preserved :: boolean(),
no_headers :: boolean(),
notes :: notes(),
- map :: map_fun(),
+ map :: map_fun() | 'undefined',
renaming :: fun((atom()) -> map_fun()),
expand :: dict:dict({atom(), integer()},
- {atom(), {atom(), integer()}}),
+ {atom(), {atom(), integer()}})
+ | 'undefined',
redirect :: dict:dict(atom(), atom())
}).
diff --git a/lib/syntax_tools/src/merl.erl b/lib/syntax_tools/src/merl.erl
index 690306c17b..163ce48bbc 100644
--- a/lib/syntax_tools/src/merl.erl
+++ b/lib/syntax_tools/src/merl.erl
@@ -514,15 +514,17 @@ parse_forms([]) ->
parse_2(Ts) ->
%% one or more comma-separated expressions?
%% (recall that Ts has no dot tokens if we get to this stage)
- case erl_parse:parse_exprs(Ts ++ [{dot,0}]) of
+ A = a0(),
+ case erl_parse:parse_exprs(Ts ++ [{dot,A}]) of
{ok, Exprs} -> Exprs;
{error, E} ->
- parse_3(Ts ++ [{'end',0}, {dot,0}], [E])
+ parse_3(Ts ++ [{'end',A}, {dot,A}], [E])
end.
parse_3(Ts, Es) ->
%% try-clause or clauses?
- case erl_parse:parse_exprs([{'try',0}, {atom,0,true}, {'catch',0} | Ts]) of
+ A = a0(),
+ case erl_parse:parse_exprs([{'try',A}, {atom,A,true}, {'catch',A} | Ts]) of
{ok, [{'try',_,_,_,_,_}=X]} ->
%% get the right kind of qualifiers in the clause patterns
erl_syntax:try_expr_handlers(X);
@@ -533,7 +535,8 @@ parse_3(Ts, Es) ->
parse_4(Ts, Es) ->
%% fun-clause or clauses? (`(a)' is also a pattern, but `(a,b)' isn't,
%% so fun-clauses must be tried before normal case-clauses
- case erl_parse:parse_exprs([{'fun',0} | Ts]) of
+ A = a0(),
+ case erl_parse:parse_exprs([{'fun',A} | Ts]) of
{ok, [{'fun',_,{clauses,Cs}}]} -> Cs;
{error, E} ->
parse_5(Ts, [E|Es])
@@ -541,7 +544,8 @@ parse_4(Ts, Es) ->
parse_5(Ts, Es) ->
%% case-clause or clauses?
- case erl_parse:parse_exprs([{'case',0}, {atom,0,true}, {'of',0} | Ts]) of
+ A = a0(),
+ case erl_parse:parse_exprs([{'case',A}, {atom,A,true}, {'of',A} | Ts]) of
{ok, [{'case',_,_,Cs}]} -> Cs;
{error, E} ->
%% select the best error to report
@@ -1210,7 +1214,7 @@ merge_comments(StartLine, Cs, [], Acc) ->
merge_comments(StartLine, [], [],
[erl_syntax:set_pos(
erl_syntax:comment(Indent, Text),
- StartLine + Line - 1)
+ anno(StartLine + Line - 1))
|| {Line, _, Indent, Text} <- Cs] ++ Acc);
merge_comments(StartLine, [C|Cs], [T|Ts], Acc) ->
{Line, _Col, Indent, Text} = C,
@@ -1228,3 +1232,9 @@ merge_comments(StartLine, [C|Cs], [T|Ts], Acc) ->
[erl_syntax:comment(Indent, Text)], T),
merge_comments(StartLine, Cs, [Tc|Ts], Acc)
end.
+
+a0() ->
+ anno(0).
+
+anno(Location) ->
+ erl_anno:new(Location).
diff --git a/lib/syntax_tools/src/merl_transform.erl b/lib/syntax_tools/src/merl_transform.erl
index 66b06c8137..fe58b6a122 100644
--- a/lib/syntax_tools/src/merl_transform.erl
+++ b/lib/syntax_tools/src/merl_transform.erl
@@ -68,8 +68,7 @@ case_guard([{expr,_}, {text,Text}]) ->
erl_syntax:is_literal(Text).
case_body([{expr,Expr}, {text,_Text}], T) ->
- pre_expand_case(Expr, erl_syntax:case_expr_clauses(T),
- erl_syntax:get_pos(T)).
+ pre_expand_case(Expr, erl_syntax:case_expr_clauses(T), get_location(T)).
post(T) ->
merl:switch(
@@ -79,7 +78,7 @@ post(T) ->
lists:all(fun erl_syntax:is_literal/1, [F|As])
end,
fun ([{args, As}, {function, F}]) ->
- Line = erl_syntax:get_pos(F),
+ Line = get_location(F),
[F1|As1] = lists:map(fun erl_syntax:concrete/1, [F|As]),
eval_call(Line, F1, As1, T)
end},
@@ -118,7 +117,7 @@ expand_qquote(_As, T, _StartPos) ->
expand_template(F, [Pattern | Args], T) ->
case erl_syntax:is_literal(Pattern) of
true ->
- Line = erl_syntax:get_pos(Pattern),
+ Line = get_location(Pattern),
As = [erl_syntax:concrete(Pattern)],
merl:qquote(Line, "merl:_@function(_@pattern, _@args)",
[{function, F},
@@ -260,3 +259,12 @@ is_erlang_var([C|_]) when C >= $A, C =< $Z ; C >= $À, C =< $Þ, C /= $× ->
true;
is_erlang_var(_) ->
false.
+
+get_location(T) ->
+ Pos = erl_syntax:get_pos(T),
+ case erl_anno:is_anno(Pos) of
+ true ->
+ erl_anno:location(Pos);
+ false ->
+ Pos
+ end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 16:24:47 +0000