llvm-build: Fill in more of component parsing to be more strict and

differentiate between strings and lists.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143622 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 20 insertions, 0 deletions

diff --git a/utils/llvm-build/llvmbuild/util.py b/utils/llvm-build/llvmbuild/util.py
new file mode 100644
index 0000000000..cf6fa28573
--- /dev/null
+++ b/utils/llvm-build/llvmbuild/util.py
@@ -0,0 +1,20 @@
+import inspect
+import os
+import sys
+
+def _write_message(kind, message):
+    # Get the file/line where this message was generated.
+    f = inspect.currentframe()
+    # Step out of _write_message, and then out of wrapper.
+    f = f.f_back.f_back
+    file,line,_,_,_ = inspect.getframeinfo(f)
+    location = '%s:%d' % (os.path.basename(file), line)
+
+    print >>sys.stderr, '%s: %s: %s' % (location, kind, message)
+
+note = lambda message: _write_message('note', message)
+warning = lambda message: _write_message('warning', message)
+error = lambda message: _write_message('error', message)
+fatal = lambda message: (_write_message('fatal error', message), sys.exit(1))
+
+__all__ = ['note', 'warning', 'error', 'fatal']