diff options
-rw-r--r-- | .gitignore | 3 | ||||
-rw-r--r-- | Makefile.in | 3 | ||||
-rw-r--r-- | configure.in | 8 | ||||
-rw-r--r-- | tool/run-gcov.rb | 52 |
4 files changed, 66 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore index c68d0cc169..e1313d6cb5 100644 --- a/.gitignore +++ b/.gitignore @@ -36,6 +36,9 @@ cygruby*.def extconf.h y.output y.tab.c +*.gcda +*.gcno +*.gcov # / /*-fake.rb diff --git a/Makefile.in b/Makefile.in index 033d4299b3..9ae24fb8f4 100644 --- a/Makefile.in +++ b/Makefile.in @@ -479,6 +479,9 @@ update-download:: update-config_files after-update:: prereq +gcov: + $(Q) $(BASERUBY) $(srcdir)/tool/run-gcov.rb + update-doclie: $(Q) $(srcdir)/tool/git-refresh -C $(srcdir)/coverage $(Q1:0=-q) \ --branch $(DOCLIE_GIT_REF) \ diff --git a/configure.in b/configure.in index cc008dbebf..609ce1f25a 100644 --- a/configure.in +++ b/configure.in @@ -4063,6 +4063,14 @@ AC_SUBST(DTRACE_REBUILD) AC_SUBST(DTRACE_OPT) AC_SUBST(LIBRUBY_A_OBJS) +AC_ARG_ENABLE(gcov, + AS_HELP_STRING([--enable-gcov], [enable coverage measurement by gcov]), + [gcov=yes]) +if test x"$gcov" = xyes; then + CFLAGS="$CFLAGS -coverage" + LDFLAGS="$LDFLAGS -coverage" +fi + RUBY_SETJMP_TYPE } { # build section diff --git a/tool/run-gcov.rb b/tool/run-gcov.rb new file mode 100644 index 0000000000..cbeb900d3f --- /dev/null +++ b/tool/run-gcov.rb @@ -0,0 +1,52 @@ +#!ruby +require "pathname" +require "open3" + +Pathname.glob("**/*.gcda").sort.each do |gcda| + if gcda.fnmatch("ext/*") + cwd, gcda = gcda.split.map {|s| s.to_s } + objdir = "." + else + cwd, objdir, gcda = ".", gcda.dirname.to_s, gcda.to_s + end + puts "$ gcov -lpbc -o #{ objdir } #{ gcda }" + out, err, _status = Open3.capture3("gcov", "-lpbc", "-o", objdir, gcda, chdir: cwd) + puts out + puts err + + # a black list of source files that contains wrong #line directives + if err !~ %r( + \A( + Cannot\ open\ source\ file\ ( + defs/keywords + |zonetab\.list + |enc/jis/props\.kwd + |parser\.c + |parser\.rl + )\n + )*\z + )x + raise "Unexpected gcov output" + end + + if out !~ %r( + \A( + File\ .*\nLines\ executed:.*\n + ( + Branches\ executed:.*\n + Taken\ at\ least\ once:.*\n + | + No\ branches\n + )? + ( + Calls\ executed:.*\n + | + No\ calls\n + )? + Creating\ .*\n + \n + )+\z + )x + raise "Unexpected gcov output" + end +end |