Add an example: using gcc -E instead of cpp for preprocessing.

1 files changed, 30 insertions, 0 deletions

diff --git a/examples/using_gcc_E_libc.py b/examples/using_gcc_E_libc.py
new file mode 100644
index 0000000..e8ea745
--- /dev/null
+++ b/examples/using_gcc_E_libc.py
@@ -0,0 +1,30 @@
+#-------------------------------------------------------------------------------
+# pycparser: using_gcc_E_libc.py
+#
+# Similar to the using_cpp_libc.py example, but uses 'gcc -E' instead
+# of 'cpp'.
+#
+# Copyright (C) 2008-2014, Eli Bendersky
+# License: BSD
+#-------------------------------------------------------------------------------
+import sys
+
+# This is not required if you've installed pycparser into
+# your site-packages/ with setup.py
+#
+sys.path.extend(['.', '..'])
+
+from pycparser import parse_file
+
+
+if __name__ == "__main__":
+    if len(sys.argv) > 1:
+        filename  = sys.argv[1]
+    else:
+        filename = 'c_files/year.c'
+
+    ast = parse_file(filename, use_cpp=True,
+            cpp_path='gcc',
+            cpp_args=['-E', r'-I../utils/fake_libc_include'])
+
+    ast.show()