syntax_data: {"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"d4:"}]}
source_snippet:         d4: dreg_low8, dreg_low16, dreg = ["d4"],
context_before:         d3: dreg_low8, dreg_low16, dreg = ["d3"],
context_after:         d5: dreg_low8, dreg_low16, dreg = ["d5"],