syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"r9:"}]}
source_snippet:         r9: reg, reg_nonzero = ["r9", "9"],
context_before:         r8: reg, reg_nonzero = ["r8", "8"],
context_after:         r10: reg, reg_nonzero = ["r10", "10"],