syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"d12:"}]}
source_snippet:         d12: dreg_low16, dreg = ["d12"],
context_before:         d11: dreg_low16, dreg = ["d11"],
context_after:         d13: dreg_low16, dreg = ["d13"],