syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"target_option_val!(linker_is_gnu_json,"}]}
source_snippet:         target_option_val!(linker_is_gnu_json, "linker-is-gnu");
context_before:         target_option_val!(lld_flavor_json, "lld-flavor");
context_after:         target_option_val!(pre_link_objects);