diff options
Diffstat (limited to 'lib/syntax_tools/src/erl_prettypr.erl')
| -rw-r--r-- | lib/syntax_tools/src/erl_prettypr.erl | 22 |
1 files changed, 11 insertions, 11 deletions
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; |