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Summary: This patch stems from the discussion D68270 (including some offline talks). The idea is to provide an "incremental" api for parsing location lists, which will avoid caching or materializing parsed data. An additional goal is to provide a high level location list api, which abstracts the differences between different encoding schemes, and can be used by users which don't care about those (such as LLDB). This patch implements the first part. It implements a call-back based "visitLocationList" api. This function parses a single location list, calling a user-specified callback for each entry. This is going to be the base api, which other location list functions (right now, just the dumping code) are going to be based on. Future patches will do something similar for the v4 location lists, and add a mechanism to translate raw entries into concrete address ranges. Reviewers: dblaikie, probinson, JDevlieghere, aprantl, SouraVX Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D69672
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