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-rw-r--r--lib/stdlib/src/erl_lint.erl6
-rw-r--r--lib/stdlib/src/erl_parse.yrl22
-rw-r--r--lib/stdlib/src/erl_pp.erl23
-rw-r--r--lib/stdlib/src/erl_scan.erl5
-rw-r--r--lib/stdlib/test/erl_pp_SUITE.erl44
-rw-r--r--lib/stdlib/test/erl_scan_SUITE.erl2
6 files changed, 6 insertions, 96 deletions
diff --git a/lib/stdlib/src/erl_lint.erl b/lib/stdlib/src/erl_lint.erl
index 39f8a26fe1..26d8454731 100644
--- a/lib/stdlib/src/erl_lint.erl
+++ b/lib/stdlib/src/erl_lint.erl
@@ -389,9 +389,7 @@ format_error({underspecified_opaque, {TypeName, Arity}}) ->
[TypeName, gen_type_paren(Arity)]);
%% --- obsolete? unused? ---
format_error({format_error, {Fmt, Args}}) ->
- io_lib:format(Fmt, Args);
-format_error({mnemosyne, What}) ->
- "mnemosyne " ++ What ++ ", missing transformation".
+ io_lib:format(Fmt, Args).
gen_type_paren(Arity) when is_integer(Arity), Arity >= 0 ->
gen_type_paren_1(Arity, ")").
@@ -759,8 +757,6 @@ function_state({attribute,La,Attr,_Val}, St) ->
add_error(La, {attribute,Attr}, St);
function_state({function,L,N,A,Cs}, St) ->
function(L, N, A, Cs, St);
-function_state({rule,L,_N,_A,_Cs}, St) ->
- add_error(L, {mnemosyne,"rule"}, St);
function_state({eof,L}, St) -> eof(L, St).
%% eof(LastLine, State) ->
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index 767b620871..3502a50eaa 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -42,7 +42,6 @@ function_call argument_list
exprs guard
atomic strings
prefix_op mult_op add_op list_op comp_op
-rule rule_clauses rule_clause rule_body
binary bin_elements bin_element bit_expr
opt_bit_size_expr bit_size_expr opt_bit_type_list bit_type_list bit_type
top_type top_type_100 top_types type typed_expr typed_attr_val
@@ -54,7 +53,7 @@ bin_base_type bin_unit_type type_200 type_300 type_400 type_500.
Terminals
char integer float atom string var
-'(' ')' ',' '->' ':-' '{' '}' '[' ']' '|' '||' '<-' ';' ':' '#' '.'
+'(' ')' ',' '->' '{' '}' '[' ']' '|' '||' '<-' ';' ':' '#' '.'
'after' 'begin' 'case' 'try' 'catch' 'end' 'fun' 'if' 'of' 'receive' 'when'
'andalso' 'orelse'
'bnot' 'not'
@@ -73,7 +72,6 @@ Rootsymbol form.
form -> attribute dot : '$1'.
form -> function dot : '$1'.
-form -> rule dot : '$1'.
attribute -> '-' atom attr_val : build_attribute('$2', '$3').
attribute -> '-' atom typed_attr_val : build_typed_attribute('$2','$3').
@@ -520,17 +518,6 @@ comp_op -> '>' : '$1'.
comp_op -> '=:=' : '$1'.
comp_op -> '=/=' : '$1'.
-rule -> rule_clauses : build_rule('$1').
-
-rule_clauses -> rule_clause : ['$1'].
-rule_clauses -> rule_clause ';' rule_clauses : ['$1'|'$3'].
-
-rule_clause -> atom clause_args clause_guard rule_body :
- {clause,?line('$1'),element(3, '$1'),'$2','$3','$4'}.
-
-rule_body -> ':-' lc_exprs: '$2'.
-
-
Erlang code.
-export([parse_form/1,parse_exprs/1,parse_term/1]).
@@ -846,13 +833,6 @@ build_function(Cs) ->
Arity = length(element(4, hd(Cs))),
{function,?line(hd(Cs)),Name,Arity,check_clauses(Cs, Name, Arity)}.
-%% build_rule([Clause]) -> {rule,Line,Name,Arity,[Clause]'}
-
-build_rule(Cs) ->
- Name = element(3, hd(Cs)),
- Arity = length(element(4, hd(Cs))),
- {rule,?line(hd(Cs)),Name,Arity,check_clauses(Cs, Name, Arity)}.
-
%% build_fun(Line, [Clause]) -> {'fun',Line,{clauses,[Clause]}}.
build_fun(Line, Cs) ->
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 17a758ff58..469ce544c7 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -22,7 +22,7 @@
%%% the parser. It does not always produce pretty code.
-export([form/1,form/2,
- attribute/1,attribute/2,function/1,function/2,rule/1,rule/2,
+ attribute/1,attribute/2,function/1,function/2,
guard/1,guard/2,exprs/1,exprs/2,exprs/3,expr/1,expr/2,expr/3,expr/4]).
-import(lists, [append/1,foldr/3,mapfoldl/3,reverse/1,reverse/2]).
@@ -91,12 +91,6 @@ function(F) ->
function(F, Options) ->
frmt(lfunction(F, options(Options)), state(Options)).
-rule(R) ->
- rule(R, none).
-
-rule(R, Options) ->
- frmt(lrule(R, options(Options)), state(Options)).
-
-spec(guard(Guard) -> io_lib:chars() when
Guard :: [erl_parse:abstract_expr()]).
@@ -199,8 +193,6 @@ lform({attribute,Line,Name,Arg}, Opts, State) ->
lattribute({attribute,Line,Name,Arg}, Opts, State);
lform({function,Line,Name,Arity,Clauses}, Opts, _State) ->
lfunction({function,Line,Name,Arity,Clauses}, Opts);
-lform({rule,Line,Name,Arity,Clauses}, Opts, _State) ->
- lrule({rule,Line,Name,Arity,Clauses}, Opts);
%% These are specials to make it easier for the compiler.
lform({error,E}, _Opts, _State) ->
leaf(format("~p\n", [{error,E}]));
@@ -418,19 +410,6 @@ func_clause(Name, {clause,Line,Head,Guard,Body}, Opts) ->
Bl = body(Body, Opts),
{step,Gl,Bl}.
-lrule({rule,_Line,Name,_Arity,Cs}, Opts) ->
- Cll = nl_clauses(fun (C, H) -> rule_clause(Name, C, H) end, $;, Opts, Cs),
- [Cll,leaf(".\n")].
-
-rule_clause(Name, {clause,Line,Head,Guard,Body}, Opts) ->
- Hl = call({atom,Line,Name}, Head, 0, Opts),
- Gl = guard_when(Hl, Guard, Opts, leaf(" :-")),
- Bl = rule_body(Body, Opts),
- {step,Gl,Bl}.
-
-rule_body(Es, Opts) ->
- lc_quals(Es, Opts).
-
guard_when(Before, Guard, Opts) ->
guard_when(Before, Guard, Opts, ' ->').
diff --git a/lib/stdlib/src/erl_scan.erl b/lib/stdlib/src/erl_scan.erl
index 6fd6bb888b..4960a86760 100644
--- a/lib/stdlib/src/erl_scan.erl
+++ b/lib/stdlib/src/erl_scan.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -599,9 +599,6 @@ scan1("|"=Cs, _St, Line, Col, Toks) ->
%% :=
scan1(":="++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, ":=", ':=', 2);
-%% :-
-scan1(":-"++Cs, St, Line, Col, Toks) ->
- tok2(Cs, St, Line, Col, Toks, ":-", ':-', 2);
%% :: for typed records
scan1("::"++Cs, St, Line, Col, Toks) ->
tok2(Cs, St, Line, Col, Toks, "::", '::', 2);
diff --git a/lib/stdlib/test/erl_pp_SUITE.erl b/lib/stdlib/test/erl_pp_SUITE.erl
index 046b5cf330..f71446dd64 100644
--- a/lib/stdlib/test/erl_pp_SUITE.erl
+++ b/lib/stdlib/test/erl_pp_SUITE.erl
@@ -42,7 +42,6 @@
-export([ func/1, call/1, recs/1, try_catch/1, if_then/1,
receive_after/1, bits/1, head_tail/1,
cond1/1, block/1, case1/1, ops/1, messages/1,
- old_mnemosyne_syntax/1,
import_export/1, misc_attrs/1, dialyzer_attrs/1,
hook/1,
neg_indent/1,
@@ -77,7 +76,7 @@ groups() ->
[{expr, [],
[func, call, recs, try_catch, if_then, receive_after,
bits, head_tail, cond1, block, case1, ops,
- messages, old_mnemosyne_syntax, maps_syntax
+ messages, maps_syntax
]},
{attributes, [], [misc_attrs, import_export, dialyzer_attrs]},
{tickets, [],
@@ -561,27 +560,6 @@ messages(Config) when is_list(Config) ->
?line true = "\n" =:= lists:flatten(erl_pp:form({eof,0})),
ok.
-old_mnemosyne_syntax(Config) when is_list(Config) ->
- %% Since we have kept the ':-' token,
- %% better test that we can pretty print it.
- R = {rule,12,sales,2,
- [{clause,12,
- [{var,12,'E'},{atom,12,employee}],
- [],
- [{generate,13,
- {var,13,'E'},
- {call,13,{atom,13,table},[{atom,13,employee}]}},
- {match,14,
- {record_field,14,{var,14,'E'},{atom,14,salary}},
- {atom,14,sales}}]}]},
- ?line "sales(E, employee) :-\n"
- " E <- table(employee),\n"
- " E.salary = sales.\n" =
- lists:flatten(erl_pp:form(R)),
- ok.
-
-
-
import_export(suite) ->
[];
import_export(Config) when is_list(Config) ->
@@ -664,26 +642,6 @@ do_hook(HookFun) ->
AFormChars = erl_pp:form(A, H),
?line true = AChars =:= lists:flatten(AFormChars),
- R = {rule,0,sales,0,
- [{clause,0,[{var,0,'E'},{atom,0,employee}],[],
- [{generate,2,{var,2,'E'},
- {call,2,{atom,2,table},[{atom,2,employee}]}},
- {match,3,
- {record_field,3,{var,3,'E'},{atom,3,salary}},
- {foo,Expr}}]}]},
- RChars = lists:flatten(erl_pp:rule(R, H)),
- R2 = {rule,0,sales,0,
- [{clause,0,[{var,0,'E'},{atom,0,employee}],[],
- [{generate,2,{var,2,'E'},
- {call,2,{atom,2,table},[{atom,2,employee}]}},
- {match,3,
- {record_field,3,{var,3,'E'},{atom,3,salary}},
- {call,0,{atom,0,foo},[Expr2]}}]}]},
- RChars2 = erl_pp:rule(R2),
- ?line true = RChars =:= lists:flatten(RChars2),
- ARChars = erl_pp:form(R, H),
- ?line true = RChars =:= lists:flatten(ARChars),
-
?line "INVALID-FORM:{foo,bar}:" = lists:flatten(erl_pp:expr({foo,bar})),
%% A list (as before R6), not a list of lists.
diff --git a/lib/stdlib/test/erl_scan_SUITE.erl b/lib/stdlib/test/erl_scan_SUITE.erl
index 9be9f641c8..6ef947f0e3 100644
--- a/lib/stdlib/test/erl_scan_SUITE.erl
+++ b/lib/stdlib/test/erl_scan_SUITE.erl
@@ -226,7 +226,7 @@ atoms() ->
punctuations() ->
L = ["<<", "<-", "<=", "<", ">>", ">=", ">", "->", "--",
"-", "++", "+", "=:=", "=/=", "=<", "=>", "==", "=", "/=",
- "/", "||", "|", ":=", ":-", "::", ":"],
+ "/", "||", "|", ":=", "::", ":"],
%% One token at a time:
[begin
W = list_to_atom(S),
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 03:52:51 +0000