syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"basic"}]}
source_snippet: basic block); this marks the entry to the scope. We then generate more
context_before: When pushing a new [Scope], we record the current point in the graph (a
context_after: stuff in the control-flow graph. Whenever the scope is exited, either