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-rw-r--r--lib/tools/src/cover.erl157
1 files changed, 112 insertions, 45 deletions
diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl
index bf5faa165d..62be773fcf 100644
--- a/lib/tools/src/cover.erl
+++ b/lib/tools/src/cover.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -144,6 +144,8 @@
end).
-define(SPAWN_DBG(Tag,Value),put(Tag,Value)).
+-define(STYLESHEET, "styles.css").
+-define(TOOLS_APP, tools).
-include_lib("stdlib/include/ms_transform.hrl").
@@ -167,6 +169,8 @@ start() ->
receive
{?SERVER,started} ->
{ok,Pid};
+ {?SERVER,{error,Error}} ->
+ {error,Error};
{'DOWN', Ref, _Type, _Object, Info} ->
{error,Info}
end,
@@ -628,21 +632,33 @@ remote_reply(MainNode,Reply) ->
%%%----------------------------------------------------------------------
init_main(Starter) ->
- register(?SERVER,self()),
- %% Having write concurrancy here gives a 40% performance boost
- %% when collect/1 is called.
- ?COVER_TABLE = ets:new(?COVER_TABLE, [set, public, named_table,
- {write_concurrency, true}]),
- ?COVER_CLAUSE_TABLE = ets:new(?COVER_CLAUSE_TABLE, [set, public,
+ try register(?SERVER,self()) of
+ true ->
+ %% Having write concurrancy here gives a 40% performance boost
+ %% when collect/1 is called.
+ ?COVER_TABLE = ets:new(?COVER_TABLE, [set, public, named_table,
+ {write_concurrency, true}]),
+ ?COVER_CLAUSE_TABLE = ets:new(?COVER_CLAUSE_TABLE, [set, public,
+ named_table]),
+ ?BINARY_TABLE = ets:new(?BINARY_TABLE, [set, public, named_table]),
+ ?COLLECTION_TABLE = ets:new(?COLLECTION_TABLE, [set, public,
named_table]),
- ?BINARY_TABLE = ets:new(?BINARY_TABLE, [set, public, named_table]),
- ?COLLECTION_TABLE = ets:new(?COLLECTION_TABLE, [set, public,
- named_table]),
- ?COLLECTION_CLAUSE_TABLE = ets:new(?COLLECTION_CLAUSE_TABLE, [set, public,
- named_table]),
- ok = net_kernel:monitor_nodes(true),
- Starter ! {?SERVER,started},
- main_process_loop(#main_state{}).
+ ?COLLECTION_CLAUSE_TABLE = ets:new(?COLLECTION_CLAUSE_TABLE,
+ [set, public, named_table]),
+ ok = net_kernel:monitor_nodes(true),
+ Starter ! {?SERVER,started},
+ main_process_loop(#main_state{})
+ catch
+ error:badarg ->
+ %% The server's already registered; either report that it's already
+ %% started or try again if it died before we could find its pid.
+ case whereis(?SERVER) of
+ undefined ->
+ init_main(Starter);
+ Pid ->
+ Starter ! {?SERVER, {error, {already_started, Pid}}}
+ end
+ end.
main_process_loop(State) ->
receive
@@ -2415,20 +2431,8 @@ do_analyse_to_file1(Module, OutFile, ErlFile, HTML) ->
case file:open(OutFile, [write,raw,delayed_write]) of
{ok, OutFd} ->
Enc = encoding(ErlFile),
- if HTML ->
- Header =
- ["<!DOCTYPE HTML PUBLIC "
- "\"-//W3C//DTD HTML 3.2 Final//EN\">\n"
- "<html>\n"
- "<head>\n"
- "<meta http-equiv=\"Content-Type\""
- " content=\"text/html; charset=",
- html_encoding(Enc),"\"/>\n"
- "<title>",OutFile,"</title>\n"
- "</head>"
- "<body style='background-color: white;"
- " color: black'>\n"
- "<pre>\n"],
+ if HTML ->
+ Header = create_header(OutFile, Enc),
H1Bin = unicode:characters_to_binary(Header,Enc,Enc),
ok = file:write(OutFd,H1Bin);
true -> ok
@@ -2445,14 +2449,19 @@ do_analyse_to_file1(Module, OutFile, ErlFile, HTML) ->
string:pad(integer_to_list(Mi), 2, leading, $0),
string:pad(integer_to_list(S), 2, leading, $0)]),
- H2Bin = unicode:characters_to_binary(
- ["File generated from ",ErlFile," by COVER ",
- Timestamp,"\n\n"
- "**************************************"
- "**************************************"
- "\n\n"],
- Enc, Enc),
- ok = file:write(OutFd, H2Bin),
+ OutFileInfo =
+ if HTML ->
+ create_footer(ErlFile, Timestamp);
+ true ->
+ ["File generated from ",ErlFile," by COVER ",
+ Timestamp, "\n\n",
+ "**************************************"
+ "**************************************"
+ "\n\n"]
+ end,
+
+ H2Bin = unicode:characters_to_binary(OutFileInfo,Enc,Enc),
+ ok = file:write(OutFd, H2Bin),
Pattern = {#bump{module=Module,line='$1',_='_'},'$2'},
MS = [{Pattern,[{is_integer,'$1'},{'>','$1',0}],[{{'$1','$2'}}]}],
@@ -2462,7 +2471,7 @@ do_analyse_to_file1(Module, OutFile, ErlFile, HTML) ->
print_lines(Module, CovLines, InFd, OutFd, 1, HTML),
if HTML ->
- ok = file:write(OutFd, "</pre>\n</body>\n</html>\n");
+ ok = file:write(OutFd, close_html());
true -> ok
end,
@@ -2497,12 +2506,11 @@ print_lines(Module, CovLines, InFd, OutFd, L, HTML) ->
case CovLines of
[{L,N}|CovLines1] ->
if N=:=0, HTML=:=true ->
- LineNoNL = Line -- "\n",
- Str = " 0",
- %%Str = string:pad("0", 6, leading, $\s),
- RedLine = ["<font color=red>",Str,fill1(),
- LineNoNL,"</font>\n"],
- ok = file:write(OutFd, RedLine);
+ MissedLine = table_row("miss", Line, L, N),
+ ok = file:write(OutFd, MissedLine);
+ HTML=:=true ->
+ HitLine = table_row("hit", Line, L, N),
+ ok = file:write(OutFd, HitLine);
N < 1000000 ->
Str = string:pad(integer_to_list(N), 6, leading, $\s),
ok = file:write(OutFd, [Str,fill1(),Line]);
@@ -2515,7 +2523,11 @@ print_lines(Module, CovLines, InFd, OutFd, L, HTML) ->
end,
print_lines(Module, CovLines1, InFd, OutFd, L+1, HTML);
_ -> %Including comment lines
- ok = file:write(OutFd, [tab(),Line]),
+ NonCoveredContent =
+ if HTML -> table_row(Line, L);
+ true -> [tab(),Line]
+ end,
+ ok = file:write(OutFd, NonCoveredContent),
print_lines(Module, CovLines, InFd, OutFd, L+1, HTML)
end
end.
@@ -2525,6 +2537,61 @@ fill1() -> "..| ".
fill2() -> ".| ".
fill3() -> "| ".
+%% HTML sections
+create_header(OutFile, Enc) ->
+ ["<!doctype html>\n"
+ "<html>\n"
+ "<head>\n"
+ "<meta charset=\"",html_encoding(Enc),"\">\n"
+ "<title>",OutFile,"</title>\n"
+ "<style>"] ++
+ read_stylesheet() ++
+ ["</style>\n",
+ "</head>\n"
+ "<body>\n"
+ "<h1><code>",OutFile,"</code></h1>\n"].
+
+create_footer(ErlFile, Timestamp) ->
+ ["<footer><p>File generated from <code>",ErlFile,
+ "</code> by <a href=\"http://erlang.org/doc/man/cover.html\">cover</a> at ",
+ Timestamp,"</p></footer>\n<table>\n<tbody>\n"].
+
+close_html() ->
+ ["</tbody>\n",
+ "<thead>\n",
+ "<tr>\n",
+ "<th>Line</th>\n",
+ "<th>Hits</th>\n",
+ "<th>Source</th>\n",
+ "</tr>\n",
+ "</thead>\n",
+ "</table>\n",
+ "</body>\n"
+ "</html>\n"].
+
+table_row(CssClass, Line, L, N) ->
+ ["<tr class=\"",CssClass,"\">\n", table_data(Line, L, N)].
+table_row(Line, L) ->
+ ["<tr>\n", table_data(Line, L, "")].
+
+table_data(Line, L, N) ->
+ LineNoNL = Line -- "\n",
+ ["<td class=\"line\" id=\"L",integer_to_list(L),"\">",
+ "<a href=\"#L",integer_to_list(L),"\">",
+ integer_to_list(L),
+ "</a></td>\n",
+ "<td class=\"hits\">",maybe_integer_to_list(N),"</td>\n",
+ "<td class=\"source\"><code>",LineNoNL,"</code></td>\n</tr>\n"].
+
+maybe_integer_to_list(0) -> "<pre style=\"display: inline;\">:-(</pre>";
+maybe_integer_to_list(N) when is_integer(N) -> integer_to_list(N);
+maybe_integer_to_list(_) -> "".
+
+read_stylesheet() ->
+ PrivDir = code:priv_dir(?TOOLS_APP),
+ {ok, Css} = file:read_file(filename:join(PrivDir, ?STYLESHEET)),
+ [Css].
+
%%%--Export--------------------------------------------------------------
do_export(Module, OutFile, From, State) ->
case file:open(OutFile,[write,binary,raw,delayed_write]) of
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-15 22:53:09 +0000