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-rw-r--r--lib/syntax_tools/src/erl_prettypr.erl12
-rw-r--r--lib/syntax_tools/src/erl_syntax.erl73
-rw-r--r--lib/syntax_tools/src/erl_syntax_lib.erl26
3 files changed, 29 insertions, 82 deletions
diff --git a/lib/syntax_tools/src/erl_prettypr.erl b/lib/syntax_tools/src/erl_prettypr.erl
index 877675772f..919df337d0 100644
--- a/lib/syntax_tools/src/erl_prettypr.erl
+++ b/lib/syntax_tools/src/erl_prettypr.erl
@@ -851,14 +851,10 @@ lay_2(Node, Ctxt) ->
floating(text(".")),
lay(erl_syntax:record_access_field(Node),
set_prec(Ctxt, PrecR))),
- D3 = case erl_syntax:record_access_type(Node) of
- none ->
- D2;
- T ->
- beside(beside(floating(text("#")),
- lay(T, reset_prec(Ctxt))),
- D2)
- end,
+ T = erl_syntax:record_access_type(Node),
+ D3 = beside(beside(floating(text("#")),
+ lay(T, reset_prec(Ctxt))),
+ D2),
maybe_parentheses(beside(D1, D3), Prec, Ctxt);
record_expr ->
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index de271d7f2f..7ce9f231a1 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -254,7 +254,6 @@
receive_expr_action/1,
receive_expr_clauses/1,
receive_expr_timeout/1,
- record_access/2,
record_access/3,
record_access_argument/1,
record_access_field/1,
@@ -607,7 +606,6 @@ type(Node) ->
{record, _, _, _, _} -> record_expr;
{record, _, _, _} -> record_expr;
{record_field, _, _, _, _} -> record_access;
- {record_field, _, _, _} -> record_access;
{record_index, _, _, _} -> record_index_expr;
{remote, _, _, _} -> module_qualifier;
{rule, _, _, _, _} -> rule;
@@ -4310,49 +4308,32 @@ record_index_expr_field(Node) ->
%% =====================================================================
-%% @equiv record_access(Argument, none, Field)
-
--spec record_access(syntaxTree(), syntaxTree()) -> syntaxTree().
-
-record_access(Argument, Field) ->
- record_access(Argument, none, Field).
-
-
-%% =====================================================================
-%% @doc Creates an abstract record field access expression. If
-%% `Type' is not `none', the result represents
-%% "<code><em>Argument</em>#<em>Type</em>.<em>Field</em></code>".
+%% @doc Creates an abstract record field access expression. The result
+%% represents "<code><em>Argument</em>#<em>Type</em>.<em>Field</em></code>".
%%
-%% If `Type' is `none', the result represents
-%% "<code><em>Argument</em>.<em>Field</em></code>". This is a special
-%% form only allowed within Mnemosyne queries.
-%%
-%% @see record_access/2
%% @see record_access_argument/1
%% @see record_access_type/1
%% @see record_access_field/1
%% @see record_expr/3
-record(record_access, {argument :: syntaxTree(),
- type :: 'none' | syntaxTree(),
+ type :: syntaxTree(),
field :: syntaxTree()}).
%% type(Node) = record_access
%% data(Node) = #record_access{argument :: Argument, type :: Type,
%% field :: Field}
%%
-%% Argument = Field = syntaxTree()
-%% Type = none | syntaxTree()
+%% Argument = Type = Field = syntaxTree()
%%
%% `erl_parse' representation:
%%
%% {record_field, Pos, Argument, Type, Field}
-%% {record_field, Pos, Argument, Field}
%%
%% Argument = Field = erl_parse()
%% Type = atom()
--spec record_access(syntaxTree(), 'none' | syntaxTree(), syntaxTree()) ->
+-spec record_access(syntaxTree(), syntaxTree(), syntaxTree()) ->
syntaxTree().
record_access(Argument, Type, Field) ->
@@ -4365,16 +4346,11 @@ revert_record_access(Node) ->
Argument = record_access_argument(Node),
Type = record_access_type(Node),
Field = record_access_field(Node),
- if Type =:= none ->
- {record_field, Pos, Argument, Field};
- true ->
- case type(Type) of
- atom ->
- {record_field, Pos,
- Argument, concrete(Type), Field};
- _ ->
- Node
- end
+ case type(Type) of
+ atom ->
+ {record_field, Pos, Argument, concrete(Type), Field};
+ _ ->
+ Node
end.
@@ -4387,8 +4363,6 @@ revert_record_access(Node) ->
record_access_argument(Node) ->
case unwrap(Node) of
- {record_field, _, Argument, _} ->
- Argument;
{record_field, _, Argument, _, _} ->
Argument;
Node1 ->
@@ -4397,21 +4371,14 @@ record_access_argument(Node) ->
%% =====================================================================
-%% @doc Returns the type subtree of a `record_access' node,
-%% if any. If `Node' represents
-%% "<code><em>Argument</em>.<em>Field</em></code>", `none'
-%% is returned, otherwise if `Node' represents
-%% "<code><em>Argument</em>#<em>Type</em>.<em>Field</em></code>",
-%% `Type' is returned.
+%% @doc Returns the type subtree of a `record_access' node.
%%
%% @see record_access/3
--spec record_access_type(syntaxTree()) -> 'none' | syntaxTree().
+-spec record_access_type(syntaxTree()) -> syntaxTree().
record_access_type(Node) ->
case unwrap(Node) of
- {record_field, _, _, _} ->
- none;
{record_field, Pos, _, Type, _} ->
set_pos(atom(Type), Pos);
Node1 ->
@@ -4428,8 +4395,6 @@ record_access_type(Node) ->
record_access_field(Node) ->
case unwrap(Node) of
- {record_field, _, _, Field} ->
- Field;
{record_field, _, _, _, Field} ->
Field;
Node1 ->
@@ -6661,15 +6626,9 @@ subtrees(T) ->
receive_expr_action(T)]
end;
record_access ->
- case record_access_type(T) of
- none ->
- [[record_access_argument(T)],
- [record_access_field(T)]];
- R ->
- [[record_access_argument(T)],
- [R],
- [record_access_field(T)]]
- end;
+ [[record_access_argument(T)],
+ [record_access_type(T)],
+ [record_access_field(T)]];
record_expr ->
case record_expr_argument(T) of
none ->
@@ -6786,8 +6745,6 @@ make_tree(parentheses, [[E]]) -> parentheses(E);
make_tree(prefix_expr, [[F], [A]]) -> prefix_expr(F, A);
make_tree(receive_expr, [C]) -> receive_expr(C);
make_tree(receive_expr, [C, [E], A]) -> receive_expr(C, E, A);
-make_tree(record_access, [[E], [F]]) ->
- record_access(E, F);
make_tree(record_access, [[E], [T], [F]]) ->
record_access(E, T, F);
make_tree(record_expr, [[T], F]) -> record_expr(T, F);
diff --git a/lib/syntax_tools/src/erl_syntax_lib.erl b/lib/syntax_tools/src/erl_syntax_lib.erl
index 2f0488abec..d5f80e15f4 100644
--- a/lib/syntax_tools/src/erl_syntax_lib.erl
+++ b/lib/syntax_tools/src/erl_syntax_lib.erl
@@ -1669,7 +1669,7 @@ analyze_record_attribute_tuple(Node) ->
%% <dt>`record_expr':</dt>
%% <dd>`{atom(), [{atom(), Value}]}'</dd>
%% <dt>`record_access':</dt>
-%% <dd>`{atom(), atom()} | atom()'</dd>
+%% <dd>`{atom(), atom()}'</dd>
%% <dt>`record_index_expr':</dt>
%% <dd>`{atom(), atom()}'</dd>
%% </dl>
@@ -1679,9 +1679,7 @@ analyze_record_attribute_tuple(Node) ->
%% listed in the order they appear. (See
%% `analyze_record_field/1' for details on the field
%% descriptors). For a `record_access' node,
-%% `Info' represents the record name and the field name (or
-%% if the record name is not included, only the field name; this is
-%% allowed only in Mnemosyne-query syntax). For a
+%% `Info' represents the record name and the field name. For a
%% `record_index_expr' node, `Info' represents the
%% record name and the name field name.
%%
@@ -1713,18 +1711,14 @@ analyze_record_expr(Node) ->
F = erl_syntax:record_access_field(Node),
case erl_syntax:type(F) of
atom ->
- case erl_syntax:record_access_type(Node) of
- none ->
- {record_access, erl_syntax:atom_value(F)};
- A ->
- case erl_syntax:type(A) of
- atom ->
- {record_access,
- {erl_syntax:atom_value(A),
- erl_syntax:atom_value(F)}};
- _ ->
- throw(syntax_error)
- end
+ A = erl_syntax:record_access_type(Node),
+ case erl_syntax:type(A) of
+ atom ->
+ {record_access,
+ {erl_syntax:atom_value(A),
+ erl_syntax:atom_value(F)}};
+ _ ->
+ throw(syntax_error)
end;
_ ->
throw(syntax_error)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 22:10:21 +0000