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CallGraphTo for Ruby

Displays calls made to a specified method, showing the call graph inbound to the target method.

Overview

This query identifies all call sites that invoke a named method, producing an inbound call graph. Given a target method name, it reports each caller and call location, which is useful for understanding how a method is used across the codebase.

The query accepts method names via an external predicate (targetFunction).

Use Cases

This query is primarily used for:

  • Finding all callers of a specific method
  • Impact analysis before modifying a method signature
  • Understanding usage patterns and entry points

Example

The following Ruby code demonstrates inbound calls to target_func:

def target_func                   # Target method for analysis
end

def caller1
    target_func
end

def caller2
    target_func
end

Running with targetFunction = "target_func" produces results showing each call site with the message pattern Call to `target_func` from `caller1.

Output Format

The query is a @kind problem query producing rows of:

  • select call, "Call to `target` from `caller`"

References