diff options
Diffstat (limited to 'lib/compiler/src/v3_kernel_pp.erl')
| -rw-r--r-- | lib/compiler/src/v3_kernel_pp.erl | 64 |
1 files changed, 36 insertions, 28 deletions
diff --git a/lib/compiler/src/v3_kernel_pp.erl b/lib/compiler/src/v3_kernel_pp.erl index b1ca907d11..e363a5387a 100644 --- a/lib/compiler/src/v3_kernel_pp.erl +++ b/lib/compiler/src/v3_kernel_pp.erl @@ -1,29 +1,31 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 1999-2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 1999-2011. 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 %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. -%% +%% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. -%% +%% %% %CopyrightEnd% %% %% Purpose : Kernel Erlang (naive) prettyprinter -module(v3_kernel_pp). --include("v3_kernel.hrl"). - -export([format/1]). +%%-define(INCLUDE_ANNOTATIONS, 1). + +-include("v3_kernel.hrl"). + %% These are "internal" structures in sys_kernel which are here for %% debugging purposes. -record(iset, {anno=[],vars,arg,body}). @@ -50,28 +52,33 @@ format(Node) -> format(Node, #ctxt{}). format(Node, Ctxt) -> case canno(Node) of -%% [] -> -%% format_1(Node, Ctxt); -%% [L,{file,_}] when is_integer(L) -> -%% format_1(Node, Ctxt); -%% #k{a=Anno}=K when Anno =/= [] -> -%% format(setelement(2, Node, K#k{a=[]}), Ctxt); -%% List -> -%% format_anno(List, Ctxt, fun (Ctxt1) -> -%% format_1(Node, Ctxt1) -%% end); - _ -> - format_1(Node, Ctxt) + [] -> + format_1(Node, Ctxt); + [L,{file,_}] when is_integer(L) -> + format_1(Node, Ctxt); + #k{a=Anno}=K when Anno =/= [] -> + format(setelement(2, Node, K#k{a=[]}), Ctxt); + List -> + format_anno(List, Ctxt, fun (Ctxt1) -> + format_1(Node, Ctxt1) + end) end. -%% format_anno(Anno, Ctxt0, ObjFun) -> -%% Ctxt1 = ctxt_bump_indent(Ctxt0, 1), -%% ["( ", -%% ObjFun(Ctxt0), -%% nl_indent(Ctxt1), -%% "-| ",io_lib:write(Anno), -%% " )"]. - + +-ifndef(INCLUDE_ANNOTATIONS). +%% Don't include annotations (for readability). +format_anno(_Anno, Ctxt, ObjFun) -> + ObjFun(Ctxt). +-else. +%% Include annotations (for debugging of annotations). +format_anno(Anno, Ctxt0, ObjFun) -> + Ctxt1 = ctxt_bump_indent(Ctxt0, 1), + ["( ", + ObjFun(Ctxt0), + nl_indent(Ctxt1), + "-| ",io_lib:write(Anno), + " )"]. +-endif. %% format_1(Kexpr, Context) -> string(). @@ -80,7 +87,6 @@ format_1(#k_atom{val=A}, _Ctxt) -> core_atom(A); format_1(#k_float{val=F}, _Ctxt) -> float_to_list(F); format_1(#k_int{val=I}, _Ctxt) -> integer_to_list(I); format_1(#k_nil{}, _Ctxt) -> "[]"; -format_1(#k_string{val=S}, _Ctxt) -> io_lib:write_string(S); format_1(#k_var{name=V}, _Ctxt) -> if is_atom(V) -> case atom_to_list(V) of @@ -108,6 +114,8 @@ format_1(#k_bin_int{size=Sz,unit=U,flags=Fs,val=Val,next=Next}, Ctxt) -> [format_bin_seg_1(S, Ctxt), format_bin_seg(Next, ctxt_bump_indent(Ctxt, 2))]; format_1(#k_bin_end{}, _Ctxt) -> "#<>#"; +format_1(#k_literal{val=Term}, _Ctxt) -> + io_lib:format("~p", [Term]); format_1(#k_local{name=N,arity=A}, Ctxt) -> "local " ++ format_fa_pair({N,A}, Ctxt); format_1(#k_remote{mod=M,name=N,arity=A}, _Ctxt) -> |