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98880d5d0d
v8/test/debugger/debug
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Simon Zünd 98880d5d0d [debug] Fix bug in locals blocklist and refactor scope iterator 
This CL shuffles around some code in `ScopeIterator` to better reflect
the two (internal) iteration modes:

  - While "inside" the paused function we iterate based on lexical
    scopes.
  - Once we move past the paused function we iterate based on runtime
    contexts.

This CL renames the advancing functions to `AdvanceScope` and
`AdvanceContext` respectively which operate in the following way:

  - `AdvanceScope` first checks if the current lexical scope requires
    a context. If so, we move one context up the chain, since the next
    lexical scope belongs to that next context. Then we move up one
    lexical scope.

  - `AdvanceContext` moves one context up the context chain. Then we
    we move up through all the lexical scopes until we find the next
    lexical scope that requires a context.

The tricky bit is the transition from scope iteration mode to context
iteration mode. This is where the bug fix comes in. After doing one
standard `AdvanceScope` from the `closure_scope_` to the next
lexical scope, we need to keep moving up through the lexical scope
until we find the next lexical scope that requires a context.

The CL also changes how we collect the locals blocklist. The
locals blocklist is always put on the current context. So every
time we move up one context we reset the locals blocklist and
every time we move up the lexical scope we collect the scope
locals into the blocklist.


R=bmeurer@chromium.org, jarin@chromium.org

Fixed: chromium:1354464
Change-Id: I7b37687a8827c20d0660a25413d2c9117b5fe5ba
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3842158
Commit-Queue: Simon Zünd <szuend@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82615}
2022-08-22 10:15:08 +00:00
..
compiler Revert "[turbofan] Making OSR concurrent" 2022-02-21 14:02:43 +00:00
es6 [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
es8 [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
harmony [debugger] materialize scope values in TDZ as undefined. 2020-06-15 10:09:58 +00:00
ignition [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
regress [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
side-effect [ic] name Set/Define/Store property operations more consistently 2022-03-08 18:48:16 +00:00
wasm [d8][mjsunit][tools] Improve d8 file API 2021-06-01 13:37:57 +00:00
debug-allscopes-on-debugger.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-backtrace.js [tests] Fix assertFalse(exception) anti-pattern 2018-03-21 10:59:46 +00:00
debug-bigint.js Remove always-true --harmony-bigint runtime flag 2018-10-01 11:31:13 +00:00
debug-break-class-fields.js Reland "[class] implement reparsing of class instance member initializers" 2022-01-24 16:24:35 +00:00
debug-break-inline.js [Test] Add PrepareForOptimization to debugger/ tests. 2019-04-29 13:47:16 +00:00
debug-break-microtask.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-break-native.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-break-return.js [debug] removed most debugger js 2018-06-03 06:02:59 +00:00
debug-breakpoints.js
debug-clearbreakpoint.js [tests] Fix assertFalse(exception) anti-pattern 2018-03-21 10:59:46 +00:00
debug-compile-event.js [tests] Fix assertFalse(exception) anti-pattern 2018-03-21 10:59:46 +00:00
debug-compile-optimized.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-conditional-breakpoints.js
debug-constructor.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-enable-disable-breakpoints.js
debug-eval-scope.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-evaluate-arguments.js [Test] Add PrepareForOptimization to debugger/ tests. 2019-04-29 13:47:16 +00:00
debug-evaluate-bool-constructor.js [tests] Fix assertFalse(exception) anti-pattern 2018-03-21 10:59:46 +00:00
debug-evaluate-closure.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-evaluate-dead-function-fails.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-evaluate-declaration.js
debug-evaluate-function-var.js Reland "[debugger] Expose reference to the function in debug-evaluate" 2019-06-27 06:09:22 +00:00
debug-evaluate-local-repl-hole.js Introduce REPL mode 2019-11-06 09:17:04 +00:00
debug-evaluate-locals-capturing.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-evaluate-locals-optimized-double.js [Test] Add PrepareForOptimization to debugger/ tests. 2019-04-29 13:47:16 +00:00
debug-evaluate-locals-optimized.js [Test] Add PrepareForOptimization to debugger/ tests. 2019-04-29 13:47:16 +00:00
debug-evaluate-locals.js [tests] Fix assertFalse(exception) anti-pattern 2018-03-21 10:59:46 +00:00
debug-evaluate-modify-catch-block-scope.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-evaluate-modify-this.js
debug-evaluate-nested-let.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-evaluate-repl-mode-await.js Reland "Implement top-level await for REPL mode" 2019-12-06 10:13:00 +00:00
debug-evaluate-repl-mode-optimized.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-evaluate-repl-mode.js Adding support for const redeclaration on REPL mode. 2021-05-11 16:47:04 +00:00
debug-evaluate-shadowed-context-2.js
debug-evaluate-shadowed-context-3.js Change debug-evaluate from a whitelist to a blacklist approach 2019-09-11 07:52:45 +00:00
debug-evaluate-shadowed-context-4.js [debug] Fix bug in locals blocklist and refactor scope iterator 2022-08-22 10:15:08 +00:00
debug-evaluate-shadowed-context.js
debug-evaluate-with.js [tests] Fix assertFalse(exception) anti-pattern 2018-03-21 10:59:46 +00:00
debug-evaluate.js [tests] Fix assertFalse(exception) anti-pattern 2018-03-21 10:59:46 +00:00
debug-event-listener.js
debug-exceptions.js
debug-function-scopes.js
debug-generator-break-on-stack.js
debug-generator-break.js
debug-liveedit-1.js [debug] migrate all liveedit tests to use LiveEdit::PatchScript 2018-06-21 15:34:16 +00:00
debug-liveedit-2.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-liveedit-3.js [debug] migrate all liveedit tests to use LiveEdit::PatchScript 2018-06-21 15:34:16 +00:00
debug-liveedit-4.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-liveedit-arrow-function-at-start.js [liveedit] Fix patching functions with start position zero 2018-07-18 16:20:22 +00:00
debug-liveedit-check-stack.js [debug] Disallow LiveEdit of active frames. 2021-04-28 13:00:19 +00:00
debug-liveedit-compile-error.js [debug] migrate all liveedit tests to use LiveEdit::PatchScript 2018-06-21 15:34:16 +00:00
debug-liveedit-inline.js [Test] Add PrepareForOptimization to debugger/ tests. 2019-04-29 13:47:16 +00:00
debug-liveedit-literals.js [debug] migrate all liveedit tests to use LiveEdit::PatchScript 2018-06-21 15:34:16 +00:00
debug-liveedit-newsource.js [debug] migrate all liveedit tests to use LiveEdit::PatchScript 2018-06-21 15:34:16 +00:00
debug-liveedit-patch-positions-replace.js [test] Fixes a spelling typo 2020-04-06 18:16:55 +00:00
debug-liveedit-recursion.js [debug] Disallow LiveEdit of active frames. 2021-04-28 13:00:19 +00:00
debug-materialized.js [Test] Add PrepareForOptimization to debugger/ tests. 2019-04-29 13:47:16 +00:00
debug-modules-set-variable-value.mjs [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-multiple-breakpoints.js
debug-multiple-var-decl.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-negative-break-points.js
debug-optimize.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-print.js [elements] Rename FAST elements kinds 2017-06-30 13:31:44 +00:00
debug-receiver.js Fix common misspellings 2017-08-02 09:35:28 +00:00
debug-return-value.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-scopes-suspended-generators.js [turbofan] Only save live registers on suspend 2018-02-07 18:07:30 +00:00
debug-scopes.js [Test] Add PrepareForOptimization to debugger/ tests. 2019-04-29 13:47:16 +00:00
debug-set-variable-value.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-stack-check-position.js
debug-step-2.js
debug-step-3.js
debug-step-4.js
debug-step-end-of-script.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-step-into-json.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-step-into-valueof.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-step-microtask.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-step-stub-callfunction.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-step-turbofan.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-step.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-accessor-ic.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-accessor.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-builtin-callback-opt.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-builtin-callback.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-builtin.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-call-function-stub.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-construct-call.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-constructor.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-foreach.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-function-call.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepin-property-function-call.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
debug-stepnext-do-while.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepout-recursive-function.js
debug-stepout-scope-part1.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepout-scope-part2.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepout-scope-part3.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepout-scope-part4.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepout-scope-part5.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepout-scope-part6.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepout-scope-part7.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepout-scope-part8.js [debug][cleanup] Use consistent StepInto and StepOver naming. 2021-06-01 11:26:57 +00:00
debug-stepout-to-builtin.js
deserialize-script-id.js [debug] retire ScriptWrapper 2018-07-05 21:33:03 +00:00
for-in-opt.js [Test] Add PrepareForOptimization to debugger/ tests. 2019-04-29 13:47:16 +00:00
function-source.js
lazy-deopt-then-flush-bytecode.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
regress-3225.js [flags] Rename --opt to --turbofan 2022-05-03 12:10:30 +00:00
regress-5207.js