Move class temp_source_file from input.c to selftest.c/h

gcc/ChangeLog:
	* input.c (class selftest::temp_source_file): Move to
	selftest.h.
	(selftest::temp_source_file::temp_source_file): Move to
	selftest.c.
	(selftest::temp_source_file::~temp_source_file): Likewise.
	* selftest.c (selftest::temp_source_file::temp_source_file): Move
	here from input.c.
	(selftest::temp_source_file::~temp_source_file): Likewise.
	* selftest.h (class selftest::temp_source_file): Move here from
	input.c

From-SVN: r239509

1 files changed, 26 insertions, 0 deletions

diff --git a/gcc/selftest.c b/gcc/selftest.c
index 2951c3c..0a7192e 100644
--- a/gcc/selftest.c
+++ b/gcc/selftest.c
@@ -87,6 +87,32 @@ selftest::assert_streq (const location &loc,
 	 desc_expected, desc_actual, val_expected, val_actual);
 }
 
+/* Constructor.  Create a tempfile using SUFFIX, and write CONTENT to
+   it.  Abort if anything goes wrong, using LOC as the effective
+   location in the problem report.  */
+
+selftest::temp_source_file::temp_source_file (const location &loc,
+					      const char *suffix,
+					      const char *content)
+{
+  m_filename = make_temp_file (suffix);
+  ASSERT_NE (m_filename, NULL);
+
+  FILE *out = fopen (m_filename, "w");
+  if (!out)
+    ::selftest::fail_formatted (loc, "unable to open tempfile: %s",
+				m_filename);
+  fprintf (out, "%s", content);
+  fclose (out);
+}
+
+/* Destructor.  Delete the tempfile.  */
+
+selftest::temp_source_file::~temp_source_file ()
+{
+  unlink (m_filename);
+  free (m_filename);
+}
 
 /* Selftests for the selftest system itself.  */