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[llvm-cov] Add the "Go to first unexecuted line" feature.

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This patch provides easy navigation to find the zero count lines, especially useful when the source file is very large.

Differential Revision: https://reviews.llvm.org/D23277

llvm-svn: 280739
This commit is contained in:
Ying Yi
2016-09-06 19:31:18 +00:00
parent 19eeb37b8c
commit d36b47c481
8 changed files with 56 additions and 10 deletions
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15
llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
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@@ -338,7 +338,8 @@ void SourceCoverageViewHTML::renderViewFooter(raw_ostream &OS) {
OS << EndTable << EndCenteredDiv;
}
void SourceCoverageViewHTML::renderSourceName(raw_ostream &OS, bool WholeFile) {
void SourceCoverageViewHTML::renderSourceName(raw_ostream &OS, bool WholeFile,
unsigned FirstUncoveredLineNo) {
OS << BeginSourceNameDiv;
// Render the source name for the view.
std::string SourceFile = isFunctionView() ? "Function: " : "Source: ";
@@ -347,10 +348,18 @@ void SourceCoverageViewHTML::renderSourceName(raw_ostream &OS, bool WholeFile) {
sys::path::remove_dots(SourceText, /*remove_dot_dots=*/true);
sys::path::native(SourceText);
OS << tag("pre", escape(SourceText, getOptions()));
// Render the object file name for the view.
if (WholeFile)
if (WholeFile) {
// Render the object file name for the view.
OS << tag("pre",
escape("Binary: " + getOptions().ObjectFilename, getOptions()));
// Render the "Go to first unexecuted line" link for the view.
if (FirstUncoveredLineNo != 0) { // The file is not fully covered
std::string LinkText =
escape("Go to first unexecuted line", getOptions());
std::string LinkTarget = "#L" + utostr(uint64_t(FirstUncoveredLineNo));
OS << tag("pre", a(LinkTarget, LinkText));
}
}
OS << EndSourceNameDiv;
}