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fix(javascript): preserve builtin identity and share alias traversal

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Track module writes and escapes at their owner, preserve capture and reassignment ordering, and share CommonJS/default namespace identity without erasing parent-slot changes. Carry write sites into ambient alias resolution and use parsed write targets across consumers. Deduplicate returned-reference work with cycle context; retain unchanged temporal selection identity so provenance memoization stays effective.

Reviewed fixes include #2041, #2465, #2830, #2881, and #2948. Remove superseded mutation representations and the ineffective per-markValue dedup layer.

Validation: 380 focused JavaScript tests passed under a 384 MiB heap cap, including the previously aborting 30-level/128-call alias regression. Six public CLI/MCP builtin tests passed. Exact pdf.js completed-workflow performance remains unmeasured.
This commit is contained in:
morluto
2026-10-14 08:44:52 +08:00
parent 0f4c484be5
commit 04672f2b91
34 changed files with 3778 additions and 321 deletions
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src/domain/javascript/javascriptSemanticState.ts
+22 -6
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@@ -32,17 +32,23 @@ interface JavaScriptSemanticReferenceInitializer extends JavaScriptSemanticIniti
}
/** Mutable binding state used only while constructing the immutable IR. */
export interface JavaScriptSemanticMemberEffect {
readonly path: JavaScriptSemanticPropertyPath;
readonly node: t.Node | undefined;
}
export interface JavaScriptSemanticRequiredModuleEffect extends JavaScriptSemanticMemberEffect {
readonly kind: "write" | "escape";
}
export interface JavaScriptSemanticBindingState {
readonly bindingId: string;
readonly scopeId: string;
readonly name: string;
kind: JavaScriptSemanticDefinition["kind"];
mutable: boolean;
readonly mutatedPaths: JavaScriptSemanticPropertyPath[];
readonly escapedPaths: {
readonly path: JavaScriptSemanticPropertyPath;
readonly node: t.Node | undefined;
}[];
readonly memberWrites: JavaScriptSemanticMemberEffect[];
readonly escapedPaths: JavaScriptSemanticMemberEffect[];
readonly definitions: JavaScriptSemanticDefinition[];
readonly initializers: JavaScriptSemanticInitializer[];
readonly referenceInitializers: JavaScriptSemanticReferenceInitializer[];
@@ -63,6 +69,7 @@ export interface JavaScriptSemanticScopeState {
/** Shared state for semantic collection and evaluation. */
export interface JavaScriptSemanticAnalysisState {
readonly program: t.Program;
/** Effective loader for static imports in this source artifact. */
readonly staticImportResolutionMode: JavaScriptModuleResolutionMode;
readonly parentsByNode: WeakMap<t.Node, t.Node>;
@@ -71,6 +78,11 @@ export interface JavaScriptSemanticAnalysisState {
/** Scope boundaries and descendant scopes resolved on demand. */
readonly scopeByNode: WeakMap<t.Node, JavaScriptSemanticScopeState>;
readonly bindingsById: Map<string, JavaScriptSemanticBindingState>;
/** Effects on a cached require exports object, independent of local projections. */
readonly requiredModuleEffects: Map<
string,
JavaScriptSemanticRequiredModuleEffect[]
>;
readonly callables: JavaScriptSemanticCallable[];
readonly callableNodesById: Map<string, t.Node>;
readonly moduleLinks: JavaScriptSemanticModuleLink[];
@@ -81,8 +93,12 @@ export interface JavaScriptSemanticAnalysisState {
JavaScriptSemanticBindingState
>;
readonly conditionalInitializers: WeakSet<t.Node>;
/** Source-local writes, tagged by global-object or import.meta identity. */
/** Unbound identifier writes retain their source sites for capture ordering. */
readonly ambientBindingWrites: Map<string, t.Node[]>;
/** Source-local writes, tagged by global object or import.meta identity. */
readonly ambientWrites: SemanticPropertyPathCoverage;
/** Source sites distinguish replacement before an ambient identity capture from later writes. */
readonly ambientWriteEffects: JavaScriptSemanticMemberEffect[];
}
/**