syntax_data: {"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if abi == ExternAbi::PtxKernel || abi == ExternAbi::GpuKernel {
context_before:             "nvptx64" => {
context_after:                     nvptx64::compute_ptx_kernel_abi_info(cx, self)