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[sancov] adding leading zeros to coverage pct.

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Summary:
Using leading zeroes allows you to search for "000%" to find non-covered
items.

Differential Revision: http://reviews.llvm.org/D18420

llvm-svn: 264336
This commit is contained in:
Mike Aizatsky 2016-03-24 20:41:18 +00:00
parent d8a3f46e15
commit 997e3b6cf8
1 changed files with 18 additions and 2 deletions
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20
tools/sancov/sancov.cc
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@ -46,6 +46,7 @@
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <set>
#include <stdio.h>
#include <string>
@ -490,6 +491,19 @@ static std::string escapeHtml(const std::string &S) {
return Result;
}
// Adds leading zeroes wrapped in 'lz' style.
// Leading zeroes help locate 000% coverage.
static std::string formatHtmlPct(size_t Pct) {
Pct = std::max(std::size_t{0}, std::min(std::size_t{100}, Pct));
std::string Num = std::to_string(Pct);
std::string Zeroes(3 - Num.size(), '0');
if (!Zeroes.empty())
Zeroes = "<span class='lz'>" + Zeroes + "</span>";
return Zeroes + Num;
}
static std::string anchorName(std::string Anchor) {
llvm::MD5 Hasher;
llvm::MD5::MD5Result Hash;
@ -885,7 +899,7 @@ public:
OS << "<tr><td><a href=\"#" << anchorName(FileName) << "\">"
<< stripPathPrefix(FileName) << "</a></td>"
<< "<td>" << CovPct << "%</td>"
<< "<td>" << formatHtmlPct(CovPct) << "%</td>"
<< "<td>" << FC.first << " (" << FC.second << ")"
<< "</tr>\n";
}
@ -923,7 +937,8 @@ public:
std::string FunctionName = P.first.FunctionName;
OS << "<div class='fn' style='order: " << P.second << "'>";
OS << "<span class='pct'>" << P.second << "%</span>&nbsp;";
OS << "<span class='pct'>" << formatHtmlPct(P.second)
<< "%</span>&nbsp;";
OS << "<span class='name'><a href=\"#"
<< anchorName(FileName + "::" + FunctionName) << "\">";
OS << escapeHtml(FunctionName) << "</a></span>";
@ -1108,6 +1123,7 @@ public:
OS << ".fn { display: flex; flex-flow: row nowrap; }\n";
OS << ".pct { width: 3em; text-align: right; margin-right: 1em; }\n";
OS << ".name { flex: 2; }\n";
OS << ".lz { color: lightgray; }\n";
OS << "</style>\n";
OS << "<title>" << Title << "</title>\n";
OS << "</head>\n";