syntax_data: {"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"r18,"}]}
source_snippet:                     r18, r19, r20, r21, r22, r23, r24, r25, r26, r27, r30, r31,
context_before:                     // Clobbered registers available in inline assembly
context_after:                     // As per the AVR-GCC-ABI documentation linked above, the R0