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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:41:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:41:58 +0000
commit1852910ef0fd7393da62b88aee66ee092208748e (patch)
treead3b659dbbe622b58a5bda4fe0b5e1d80eee9277 /scripts/luacov_to_info.lua
parentInitial commit. (diff)
downloadknot-resolver-1852910ef0fd7393da62b88aee66ee092208748e.tar.xz
knot-resolver-1852910ef0fd7393da62b88aee66ee092208748e.zip
Adding upstream version 5.3.1.upstream/5.3.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/luacov_to_info.lua')
-rwxr-xr-xscripts/luacov_to_info.lua57
1 files changed, 57 insertions, 0 deletions
diff --git a/scripts/luacov_to_info.lua b/scripts/luacov_to_info.lua
new file mode 100755
index 0000000..b27ba99
--- /dev/null
+++ b/scripts/luacov_to_info.lua
@@ -0,0 +1,57 @@
+#!/usr/bin/env luajit
+-- SPDX-License-Identifier: GPL-3.0-or-later
+
+local luacov = require('luacov')
+local ReporterBase = require('luacov.reporter').ReporterBase
+local LcovReporter = setmetatable({}, ReporterBase)
+LcovReporter.__index = LcovReporter
+
+function LcovReporter:on_new_file(filename)
+ self.finfo = self.current_files[filename] or {name=filename, coverage={}}
+end
+
+function LcovReporter:on_mis_line(_, lineno, _)
+ self.finfo.coverage[lineno] = self.finfo.coverage[lineno] or 0
+end
+
+function LcovReporter:on_hit_line(_, lineno, _, hits)
+ self.finfo.coverage[lineno] = (self.finfo.coverage[lineno] or 0) + hits
+end
+
+function LcovReporter:on_end_file()
+ self.current_files[self.finfo.name] = self.finfo
+ self.finfo = nil
+end
+
+-- Write out results in lcov format
+local function write_lcov_info(files)
+ for fname, finfo in pairs(files) do
+ local instrumented, nonzero = 0, 0
+ print('TN:')
+ print(string.format('SF:%s', fname))
+ for i, hits in pairs(finfo.coverage) do
+ print(string.format('DA:%d,%d', i, hits))
+ instrumented = instrumented + 1
+ if hits > 0 then
+ nonzero = nonzero + 1
+ end
+ end
+ print(string.format('LH:%d', nonzero))
+ print(string.format('LF:%d', instrumented))
+ print('end_of_record')
+ end
+end
+
+-- Accumulate total coverage
+local all_files = {}
+for _, fname in ipairs(arg) do
+ local conf = luacov.load_config()
+ conf.statsfile = fname
+ local reporter = assert(LcovReporter:new(conf))
+ reporter.current_files = all_files
+ reporter:run()
+ reporter:close()
+end
+
+-- Write results
+write_lcov_info(all_files)