Add utils/TestUtils, and sink pch-test.pl there.
Also, add a test for generator a C file with a very deep call stack.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90468 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TestUtils/deep-stack.py b/utils/TestUtils/deep-stack.py
new file mode 100755
index 0000000..1750a5f
--- /dev/null
+++ b/utils/TestUtils/deep-stack.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+
+def pcall(f, N):
+ if N == 0:
+ print >>f, ' f(0)'
+ return
+
+ print >>f, ' f('
+ pcall(f, N - 1)
+ print >>f, ' )'
+
+def main():
+ f = open('t.c','w')
+ print >>f, 'int f(int n) { return n; }'
+ print >>f, 'int t() {'
+ print >>f, ' return'
+ pcall(f, 10000)
+ print >>f, ' ;'
+ print >>f, '}'
+
+if __name__ == "__main__":
+ import sys
+ sys.setrecursionlimit(100000)
+ main()
diff --git a/utils/TestUtils/pch-test.pl b/utils/TestUtils/pch-test.pl
new file mode 100755
index 0000000..2e17117
--- /dev/null
+++ b/utils/TestUtils/pch-test.pl
@@ -0,0 +1,61 @@
+#!/usr/bin/perl -w
+
+# This tiny little script, which should be run from the clang
+# directory (with clang-cc in your patch), tries to take each
+# compilable Clang test and build a PCH file from that test, then read
+# and dump the contents of the PCH file just created.
+use POSIX;
+
+$exitcode = 0;
+sub testfiles($$) {
+ my $suffix = shift;
+ my $language = shift;
+ my $passed = 0;
+ my $failed = 0;
+ my $skipped = 0;
+
+ @files = `ls test/*/*.$suffix`;
+ foreach $file (@files) {
+ chomp($file);
+ my $code = system("clang-cc -fsyntax-only -x $language $file > /dev/null 2>&1");
+ if ($code == 0) {
+ print(".");
+ $code = system("clang-cc -emit-pch -x $language -o $file.pch $file > /dev/null 2>&1");
+ if ($code == 0) {
+ $code = system("clang-cc -include-pch $file.pch -x $language -ast-dump /dev/null > /dev/null 2>&1");
+ if ($code == 0) {
+ $passed++;
+ } elsif (($code & 0xFF) == SIGINT) {
+ exit($exitcode);
+ } else {
+ print("\n---Failed to dump AST file for \"$file\"---\n");
+ $exitcode = 1;
+ $failed++;
+ }
+ unlink "$file.pch";
+ } elsif (($code & 0xFF) == SIGINT) {
+ exit($exitcode);
+ } else {
+ print("\n---Failed to build PCH file for \"$file\"---\n");
+ $exitcode = 1;
+ $failed++;
+ }
+ } elsif (($code & 0xFF) == SIGINT) {
+ exit($exitcode);
+ } else {
+ print("x");
+ $skipped++;
+ }
+ }
+
+ print("\n\n$passed tests passed\n");
+ print("$failed tests failed\n");
+ print("$skipped tests skipped ('x')\n")
+}
+
+printf("-----Testing precompiled headers for C-----\n");
+testfiles("c", "c");
+printf("\n-----Testing precompiled headers for Objective-C-----\n");
+testfiles("m", "objective-c");
+print("\n");
+exit($exitcode);