syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"\"a"}]}
source_snippet:         "a list of module flags to pass to LLVM (space separated)"),
context_before:     llvm_module_flag: Vec<(String, u32, String)> = (Vec::new(), parse_llvm_module_flag, [TRACKED],
context_after:     llvm_plugins: Vec<String> = (Vec::new(), parse_list, [TRACKED],