syntax_data: {"ast_node_type":"other","tokens":[{"end":46,"kind":"keyword","start":0,"text":"r14:"}]}
source_snippet:         r14: reg = ["r14", "lr"] % not_thumb1,
context_before:         r12: reg = ["r12", "ip"] % not_thumb1,
context_after:         s0: sreg_low16, sreg = ["s0"],