| Name | Default value | Description |
|---|---|---|
| cppflags | [] | list of preprocessor flags such as -I or -D |
| verbose | False | operate verbosely |
| xref_prefix | None | path prefix (directory) to contain xref info |
| base_path | path prefix to strip off of the file names | |
| preprocess | True | whether or not to preprocess the input |
| syntax_prefix | None | path prefix (directory) to contain syntax info |
| input | [] | input files to process |
| debug | False | generate debug traces |
| output | output file to save the ast to | |
| main_file_only | True | should only main file be processed |
| emulate_compiler | a compiler to emulate |