[all-commits] [llvm/llvm-project] c7ecad: [Dexter] Add basic debugging support for structure...

[Stephen Tozer via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c7ecad5c289c67829d8d43013c9ac46bc92ae4e6
      https://github.com/llvm/llvm-project/commit/c7ecad5c289c67829d8d43013c9ac46bc92ae4e6
  Author: Stephen Tozer <stephen.tozer at sony.com>
  Date:   2026-06-03 (Wed, 03 Jun 2026)

  Changed paths:
    M cross-project-tests/debuginfo-tests/dexter/dex/debugger/DebuggerControllers/DebuggerControllerBase.py
    A cross-project-tests/debuginfo-tests/dexter/dex/debugger/DebuggerControllers/ScriptDebuggerController.py
    M cross-project-tests/debuginfo-tests/dexter/dex/dextIR/DextIR.py
    M cross-project-tests/debuginfo-tests/dexter/dex/dextIR/LocIR.py
    M cross-project-tests/debuginfo-tests/dexter/dex/dextIR/StepIR.py
    M cross-project-tests/debuginfo-tests/dexter/dex/tools/test/Tool.py
    A cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/debugging/Inputs/header.h
    A cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/debugging/simple_where_function.cpp
    A cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/debugging/simple_where_line.cpp
    A cross-project-tests/debuginfo-tests/dexter/feature_tests/scripts/debugging/where_file_paths.cpp

  Log Message:
  -----------
  [Dexter] Add basic debugging support for structured scripts (#197418)

This patch adds a debugger controller for structured scripts. This
controller operates as follows:
- !where nodes at the root of the script (currently the only kind
allowed) have function or line breakpoints set to cover them.
- Whenever the debugger stops, the controller will examine the stack to
determine whether any !where nodes are in scope.
- While any !where is in scope, its associated !values will be evaluated
in the debugger and the results stored, and the debugger will
single-step.
- When no !where is in scope, the debugger will continue.

This is a simplified implementation compared to the final version, as it
is missing support for nested !where nodes, Scope evaluation, and
conditions/hit counts; these will be added in later commits.



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