dwgrep

Dwgrep is a tool, an associated language (called Zwerg) and a library (libzwerg) for querying Dwarf (debuginfo) graphs. You can think of dwgrep expressions as instructions describing a path through a graph, with assertions about the type of nodes along the way: that a node is of given type, that it has a given attribute, etc. There are also means of expressing sub-conditions, i.e. assertions that a given node is acceptable if a separate expression matches (or does not match) a different path through the graph.

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