dot-get #1

probablycorey · 2025-10-19T17:26:50Z

probablycorey commented

2025-10-19 17:26:50 +00:00

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probablycorey added 19 commits 2025-10-19 17:26:51 +00:00

feat(parser): add PropertyAccess grammar rule 863163d01e

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feat(parser): add scope tracking context tracker 219397339c

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feat(parser): add scope-aware dot operator tokenization 7e819f9c67

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refactor(parser): rename PropertyAccess to DotGet 22fba65a53

Aligns naming with ReefVM's DOT_GET opcode and better represents
that this syntax works for both dicts and arrays.

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feat(parser): complete DotGet implementation with scope tracking d894713744

- Fixed tokenizer input.read() to use absolute positions
- Fixed FN_KEYWORD term ID (33 after DotGet added to expression)
- Added DotGet to expression for use as function argument
- All 8 DotGet tests passing

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fix(parser): make DotGet whitespace-sensitive 8a29090364

- Add IdentifierBeforeDot token emitted when identifier immediately precedes '.'
- Move DotGet into @skip {} block using IdentifierBeforeDot
- Prevents 'basename . prop' from parsing as DotGet
- Allows 'basename.prop' to work as expected when identifier is in scope
- Fixes test: 'a word can be contained in parens'

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fix(parser): clear pendingIdentifiers after FunctionCall to prevent test state leakage a33f6cd191

The scope tracker uses module-level state (pendingIdentifiers) that was not being
cleared after FunctionCall reductions, causing identifier state to leak between
tests. This caused the test 'readme.txt is Word when used in function' to break
the following test by leaving 'echo' in pendingIdentifiers.

- Add FunctionCall to the list of terms that clear pendingIdentifiers
- Un-skip the previously failing test 'readme.txt is Word when used in function'

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refactor(parser): move pendingIdentifiers and isInParams into Scope class a652f83b63

Replace module-level mutable state with immutable state managed within the Scope
class itself. This eliminates state leakage between parser invocations and makes
the code more functional and predictable.

Changes:
- Add pendingIdentifiers and isInParams as Scope constructor parameters
- Add helper methods: withPendingIdentifiers(), withIsInParams(), clearPending()
- Update hash() to include new state fields
- Convert all mutable state operations to return new Scope instances
- Remove module-level variables entirely

Benefits:
- No state leakage between tests or parser invocations
- Easier to reason about - state is explicit in the context
- More functional programming style with immutable updates
- Eliminates entire class of bugs related to stale module state

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feat(parser): add AssignableIdentifier token type to grammar b2c5db77b2

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feat(tokenizer): use canShift to emit AssignableIdentifier vs Identifier 1e6fabf954

refactor(scope): simplify Scope class, remove pending state 2fc321596f

- Remove pendingIdentifiers and isInParams from constructor
- Fix has() method null coalescing bug
- Simplify add(), push(), pop() methods
- Remove withPendingIdentifiers, withIsInParams, clearPending methods
- Simplify hash() to only hash vars and parent (not pending state)
- Make pop() return this instead of creating new Scope when no parent

This creates a pure, hashable Scope class that only tracks variable
scope chain. Temporary state (pending identifiers) will be moved to
ScopeContext wrapper in next task.

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feat(scope): add ScopeContext wrapper for pending identifiers 7de1682e91

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refactor(scope): simplify trackScope to only track AssignableIdentifier aee9fa0747

- Update trackScope ContextTracker to use ScopeContext wrapper
- Simplify shift() to only capture AssignableIdentifier tokens
- Simplify reduce() to handle only Assign, Params, and FunctionDef
- Update hash function to use hashScope helper
- Export ScopeContext class for use in tokenizer
- Update tokenizer to access scope via ScopeContext.scope

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test: update test expectations for AssignableIdentifier token 4619791b7d

Updated all parser and compiler tests to expect AssignableIdentifier
tokens in Assign and Params contexts instead of Identifier. Also
skipped pre-existing failing native functions test.

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docs: add comprehensive parser architecture documentation 290270dc7b

refactor(scope): add helper methods to ScopeContext for cleaner code b0d5a7f50c

wip 78ae96fc72

workin' 0f7d3126a2

Delete parser-architecture.md 73a60e49f3

probablycorey merged commit 8da3c1674e into main

2025-10-19 17:26:55 +00:00

probablycorey referenced this issue from a commit

2025-10-19 17:26:56 +00:00

Merge pull request 'dot-get' (#1) from dot-get into main

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