syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"v0:"}]}
source_snippet:         v0: vreg, vreg_low16 = ["v0", "b0", "h0", "s0", "d0", "q0", "z0"],
context_before:         x30: reg = ["x30", "w30", "lr", "wlr"],
context_after:         v1: vreg, vreg_low16 = ["v1", "b1", "h1", "s1", "d1", "q1", "z1"],