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feat(impact): cross-language blast-radius coverage (22 languages + 14 frameworks) (#708)

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Completes the cross-file dependency graph behind impact / affected / explore across all 22 supported languages and 14 web frameworks, validated on real-world repos (measured fair-coverage table added to the README). Per-language resolution + framework resolvers/synthesizers (Lua/Luau require, Shopify OS 2.0 Liquid sections, Delphi forms, Rust cross-module + Rocket macros, Swift Fluent, SvelteKit/Nuxt loader/component conventions, RN/Expo bridges). 0 cross-family false edges, full suite green (1187 passed). See #708.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Colby MchenryandClaude Opus 4.8 authored and GitHub committed 2026-06-06 11:02:59 -04:00
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commit 07af3db6c7
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src/extraction/languages/c-cpp.ts
+28 -30
View File
@@ -2,49 +2,47 @@ import type { Node as SyntaxNode } from 'web-tree-sitter';
import { getChildByField, getNodeText } from '../tree-sitter-helpers';
import type { LanguageExtractor } from '../tree-sitter-types';
function extractCppQualifiedMethodName(node: SyntaxNode, source: string): string | undefined {
const declarator = getChildByField(node, 'declarator');
if (!declarator) return undefined;
/**
* Find the function NAME's `qualified_identifier` (`Foo::bar`) inside a
* declarator, skipping the `parameter_list` — a parameter with a qualified type
* (`const std::string& x`) must NOT be mistaken for the method name. Without the
* skip, a plain free function `std::string TableFileName(const std::string&...)`
* was named `string` (from the parameter type), so calls to it never resolved
* and its file looked like nothing depended on it.
*/
function findDeclaratorQualifiedId(declarator: SyntaxNode): SyntaxNode | undefined {
const queue: SyntaxNode[] = [declarator];
while (queue.length > 0) {
const current = queue.shift()!;
if (current.type === 'qualified_identifier') {
const text = getNodeText(current, source).trim();
const parts = text.split('::').filter(Boolean);
return parts[parts.length - 1];
}
if (current.type === 'qualified_identifier') return current;
for (let i = 0; i < current.namedChildCount; i++) {
const child = current.namedChild(i);
if (child) queue.push(child);
// Don't descend into parameters or the trailing return type — their types
// (`const std::string&`, `-> std::string`) aren't the function name.
if (child && child.type !== 'parameter_list' && child.type !== 'trailing_return_type') {
queue.push(child);
}
}
}
return undefined;
}
function extractCppQualifiedMethodName(node: SyntaxNode, source: string): string | undefined {
const declarator = getChildByField(node, 'declarator');
if (!declarator) return undefined;
const qid = findDeclaratorQualifiedId(declarator);
if (!qid) return undefined;
const parts = getNodeText(qid, source).trim().split('::').filter(Boolean);
return parts[parts.length - 1];
}
function extractCppReceiverType(node: SyntaxNode, source: string): string | undefined {
const declarator = getChildByField(node, 'declarator');
if (!declarator) return undefined;
const queue: SyntaxNode[] = [declarator];
while (queue.length > 0) {
const current = queue.shift()!;
if (current.type === 'qualified_identifier') {
const text = getNodeText(current, source).trim();
const parts = text.split('::').filter(Boolean);
if (parts.length > 1) {
return parts.slice(0, -1).join('::');
}
return undefined;
}
for (let i = 0; i < current.namedChildCount; i++) {
const child = current.namedChild(i);
if (child) queue.push(child);
}
}
return undefined;
const qid = findDeclaratorQualifiedId(declarator);
if (!qid) return undefined;
const parts = getNodeText(qid, source).trim().split('::').filter(Boolean);
return parts.length > 1 ? parts.slice(0, -1).join('::') : undefined;
}
export const cExtractor: LanguageExtractor = {