⚡ Bolt: Fast O(1) Set lookups replacing AST String/RegExp checks#404
⚡ Bolt: Fast O(1) Set lookups replacing AST String/RegExp checks#404AhmmedSamier wants to merge 1 commit intomasterfrom
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Replaces dynamic regex tests and string manipulation (.toLowerCase().includes()) with exact O(1) lookups on static pre-allocated Sets for matching AST node types. This reduces garbage collection overhead and cpu allocations in parser hot paths during codebase traversal. Co-authored-by: AhmmedSamier <17784876+AhmmedSamier@users.noreply.github.com>
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📝 WalkthroughWalkthroughThe changes introduce performance optimization to TreeSitter AST node type checking by replacing dynamic string operations and regex tests with precomputed static Sets for O(1) membership lookup. Documentation and implementation updates were made across two files. Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~12 minutes Poem
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against the current code and only fix it if needed.
Inline comments:
In `@language-server/src/core/tree-sitter-parser.ts`:
- Around line 42-48: CLASS_NODE_TYPES currently includes struct entries which
causes getControllerRoutePrefix() to treat structs as controllers; create a
narrower set (e.g., CONTROLLER_CLASS_NODE_TYPES) containing only
'class_declaration', 'class_definition', 'class' and use that new set in
getControllerRoutePrefix() (and the other controller-ancestor checks referenced
around the second occurrence) instead of CLASS_NODE_TYPES so only actual classes
are considered controller containers.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: defaults
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Run ID: fadd8ab0-de91-4252-ac33-7b26a30ee3bd
📒 Files selected for processing (2)
.jules/bolt.mdlanguage-server/src/core/tree-sitter-parser.ts
| private static readonly CLASS_NODE_TYPES = new Set(['class_declaration', 'class_definition', 'class', 'struct_declaration', 'struct_definition', 'struct']); | ||
| private static readonly INTERFACE_NODE_TYPES = new Set(['interface_declaration', 'interface_definition', 'interface', 'trait_declaration', 'trait_definition', 'trait']); | ||
| private static readonly ENUM_NODE_TYPES = new Set(['enum_declaration', 'enum_definition', 'enum']); | ||
| private static readonly METHOD_NODE_TYPES = new Set(['method_declaration', 'method_definition', 'method']); | ||
| private static readonly FUNCTION_NODE_TYPES = new Set(['function_declaration', 'function_definition', 'function']); | ||
| private static readonly PROPERTY_NODE_TYPES = new Set(['property_declaration', 'property_definition']); | ||
| private static readonly VARIABLE_NODE_TYPES = new Set(['variable_declaration', 'variable_declarator']); |
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Keep controller ancestor detection class-only.
CLASS_NODE_TYPES now includes struct*, so getControllerRoutePrefix() can stop on an enclosing struct and treat its [Route] as a controller prefix. That changes C# endpoint resolution semantics; the old walk only targeted class containers. Use a narrower set for controller containers instead of reusing the broader symbol-classification set.
Suggested fix
+ private static readonly CONTROLLER_CONTAINER_NODE_TYPES = new Set(['class_declaration', 'class_definition', 'class']);
+
private static readonly CLASS_NODE_TYPES = new Set(['class_declaration', 'class_definition', 'class', 'struct_declaration', 'struct_definition', 'struct']);
private static readonly INTERFACE_NODE_TYPES = new Set(['interface_declaration', 'interface_definition', 'interface', 'trait_declaration', 'trait_definition', 'trait']); while (
parent &&
- !TreeSitterParser.CLASS_NODE_TYPES.has(parent.type) &&
+ !TreeSitterParser.CONTROLLER_CONTAINER_NODE_TYPES.has(parent.type) &&
parent.type !== 'compilation_unit'
) {
parent = this.getParent(parent);
}
- if (parent && TreeSitterParser.CLASS_NODE_TYPES.has(parent.type)) {
+ if (parent && TreeSitterParser.CONTROLLER_CONTAINER_NODE_TYPES.has(parent.type)) {
const results: { method: string | null; route: string | null } = {
method: null,
route: null,
};Also applies to: 476-483
🤖 Prompt for AI Agents
Verify each finding against the current code and only fix it if needed.
In `@language-server/src/core/tree-sitter-parser.ts` around lines 42 - 48,
CLASS_NODE_TYPES currently includes struct entries which causes
getControllerRoutePrefix() to treat structs as controllers; create a narrower
set (e.g., CONTROLLER_CLASS_NODE_TYPES) containing only 'class_declaration',
'class_definition', 'class' and use that new set in getControllerRoutePrefix()
(and the other controller-ancestor checks referenced around the second
occurrence) instead of CLASS_NODE_TYPES so only actual classes are considered
controller containers.
1 participant
💡 What: Replaced dynamic string manipulation and regular expression
.test()checks with exact O(1).has()lookups on staticSetinstances for tree-sitter AST node types intree-sitter-parser.ts.🎯 Why: In hot AST traversal paths (e.g., recursive searching for parent classes or identifying node types),
parent.type.toLowerCase().includes('class_declaration')allocates memory dynamically on every hop and is CPU-intensive. Similarly, using regex evaluation against nodes is slower than exact membership checks. Tree-sitter natively emits fixed literal typenames.📊 Impact: Reduces string allocations and lowers evaluation latency in the tight parsing loop, scaling linearly with project file complexity and symbol depth.
🔬 Measurement: Running the
bun testsuite within the Language Server verifies that the new Sets correctly classify struct/class/interface boundaries and C# endpoint resolution correctly identifies ASP.NET route prefixes based exactly as before without breaking logic.PR created automatically by Jules for task 9745639959220034708 started by @AhmmedSamier
Summary by CodeRabbit
Documentation
Refactor