syntax_data: {"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"s4:"}]}
source_snippet:         s4: sreg_low16, sreg = ["s4"],
context_before:         s3: sreg_low16, sreg = ["s3"],
context_after:         s5: sreg_low16, sreg = ["s5"],