syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"r23:"}]}
source_snippet:         r23: reg = ["r23", "l7"], // % reserved_l7
context_before:         r22: reg = ["r22", "l6"], // % reserved_l6
context_after:         r24: reg = ["r24", "i0"], // % reserved_i0