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-rw-r--r--lib/stdlib/src/erl_parse.yrl22
1 files changed, 1 insertions, 21 deletions
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) ->