diff options
Diffstat (limited to 'lib/stdlib/src/erl_pp.erl')
| -rw-r--r-- | lib/stdlib/src/erl_pp.erl | 63 |
1 files changed, 37 insertions, 26 deletions
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl index a868867a81..7c7566e4ec 100644 --- a/lib/stdlib/src/erl_pp.erl +++ b/lib/stdlib/src/erl_pp.erl @@ -61,7 +61,8 @@ form(Thing) -> Options :: options()). form(Thing, Options) -> - frmt(lform(Thing, options(Options)), state(Options)). + State = state(Options), + frmt(lform(Thing, options(Options), State), State). -spec(attribute(Attribute) -> io_lib:chars() when Attribute :: erl_parse:abstract_form()). @@ -74,7 +75,8 @@ attribute(Thing) -> Options :: options()). attribute(Thing, Options) -> - frmt(lattribute(Thing, options(Options)), state(Options)). + State = state(Options), + frmt(lattribute(Thing, options(Options), State), State). -spec(function(Function) -> io_lib:chars() when Function :: erl_parse:abstract_form()). @@ -193,47 +195,47 @@ encoding(Options) -> unicode -> unicode end. -lform({attribute,Line,Name,Arg}, Opts) -> - lattribute({attribute,Line,Name,Arg}, Opts); -lform({function,Line,Name,Arity,Clauses}, Opts) -> +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) -> +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) -> +lform({error,E}, _Opts, _State) -> leaf(format("~p\n", [{error,E}])); -lform({warning,W}, _Opts) -> +lform({warning,W}, _Opts, _State) -> leaf(format("~p\n", [{warning,W}])); -lform({eof,_Line}, _Opts) -> +lform({eof,_Line}, _Opts, _State) -> $\n. -lattribute({attribute,_Line,type,Type}, Opts) -> +lattribute({attribute,_Line,type,Type}, Opts, _State) -> [typeattr(type, Type, Opts),leaf(".\n")]; -lattribute({attribute,_Line,opaque,Type}, Opts) -> +lattribute({attribute,_Line,opaque,Type}, Opts, _State) -> [typeattr(opaque, Type, Opts),leaf(".\n")]; -lattribute({attribute,_Line,spec,Arg}, _Opts) -> +lattribute({attribute,_Line,spec,Arg}, _Opts, _State) -> [specattr(Arg),leaf(".\n")]; -lattribute({attribute,_Line,Name,Arg}, Opts) -> - [lattribute(Name, Arg, Opts),leaf(".\n")]. +lattribute({attribute,_Line,Name,Arg}, Opts, State) -> + [lattribute(Name, Arg, Opts, State),leaf(".\n")]. -lattribute(module, {M,Vs}, _Opts) -> +lattribute(module, {M,Vs}, _Opts, _State) -> attr("module",[{var,0,pname(M)}, foldr(fun(V, C) -> {cons,0,{var,0,V},C} end, {nil,0}, Vs)]); -lattribute(module, M, _Opts) -> +lattribute(module, M, _Opts, _State) -> attr("module", [{var,0,pname(M)}]); -lattribute(export, Falist, _Opts) -> +lattribute(export, Falist, _Opts, _State) -> call({var,0,"-export"}, [falist(Falist)], 0, none); -lattribute(import, Name, _Opts) when is_list(Name) -> +lattribute(import, Name, _Opts, _State) when is_list(Name) -> attr("import", [{var,0,pname(Name)}]); -lattribute(import, {From,Falist}, _Opts) -> +lattribute(import, {From,Falist}, _Opts, _State) -> attr("import",[{var,0,pname(From)},falist(Falist)]); -lattribute(file, {Name,Line}, _Opts) -> - attr("file", [{var,0,format("~p", [Name])},{integer,0,Line}]); -lattribute(record, {Name,Is}, Opts) -> +lattribute(file, {Name,Line}, _Opts, State) -> + attr("file", [{var,0,(State#pp.string_fun)(Name)},{integer,0,Line}]); +lattribute(record, {Name,Is}, Opts, _State) -> Nl = leaf(format("-record(~w,", [Name])), [{first,Nl,record_fields(Is, Opts)},$)]; -lattribute(Name, Arg, #options{encoding = Encoding}) -> +lattribute(Name, Arg, #options{encoding = Encoding}, _State) -> attr(write(Name), [erl_parse:abstract(Arg, [{encoding,Encoding}])]). typeattr(Tag, {TypeName,Type,Args}, _Opts) -> @@ -423,7 +425,7 @@ lexpr(E, Opts) -> lexpr({var,_,V}, _, _) when is_integer(V) -> %Special hack for Robert leaf(format("_~w", [V])); -lexpr({var,_,V}, _, _) -> leaf(format("~s", [V])); +lexpr({var,_,V}, _, _) -> leaf(format("~ts", [V])); lexpr({char,_,C}, _, _) -> {char,C}; lexpr({integer,_,N}, _, _) -> leaf(write(N)); lexpr({float,_,F}, _, _) -> leaf(write(F)); @@ -799,7 +801,7 @@ maybe_paren(_P, _Prec, Expr) -> Expr. leaf(S) -> - {leaf,iolist_size(S),S}. + {leaf,chars_size(S),S}. %%% Do the formatting. Currently nothing fancy. Could probably have %%% done it in one single pass. @@ -1009,7 +1011,7 @@ incr(I, Incr) -> I+Incr. indentation(E, I) when I < 0 -> - iolist_size(E); + chars_size(E); indentation(E, I0) -> I = io_lib_format:indentation(E, I0), case has_nl(E) of @@ -1064,6 +1066,15 @@ write_char(C, PP) -> %% Utilities %% +chars_size([C | Es]) when is_integer(C) -> + 1 + chars_size(Es); +chars_size([E | Es]) -> + chars_size(E) + chars_size(Es); +chars_size([]) -> + 0; +chars_size(B) when is_binary(B) -> + byte_size(B). + -define(N_SPACES, 30). spacetab() -> |