superaugment
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Enterprise-grade MCP server with world-class C++ analysis, robust error handling, and production-ready architecture for VS Code Augment
476 lines • 18.4 kB
JavaScript
/**
* Enhanced C++ Analyzer with Tree-sitter AST Support
*
* Provides comprehensive C++ code analysis using Tree-sitter for accurate
* syntax parsing, semantic analysis, and advanced code understanding.
*/
import Parser from 'tree-sitter';
import Cpp from 'tree-sitter-cpp';
// import { readFile } from 'fs/promises'; // Unused import
// import { join, dirname, basename, extname } from 'path'; // Unused imports
import { FileSystemManager } from '../utils/FileSystemManager.js';
import { logger } from '../utils/logger.js';
import { AnalysisError, ErrorCode, } from '../errors/ErrorTypes.js';
/**
* Enhanced C++ Analyzer using Tree-sitter
*/
export class EnhancedCppAnalyzer {
parser;
fileSystemManager;
constructor() {
this.parser = new Parser();
this.parser.setLanguage(Cpp);
this.fileSystemManager = new FileSystemManager();
}
/**
* Perform comprehensive C++ analysis
*/
async analyzeFile(filePath, options = {}) {
try {
logger.info(`Starting enhanced C++ analysis for: ${filePath}`);
const content = await this.fileSystemManager.readFileContent(filePath);
const tree = this.parser.parse(content);
const result = {
metrics: await this.analyzeMetrics(tree, content),
structure: await this.analyzeStructure(tree, content),
dependencies: await this.analyzeDependencies(tree, content, filePath),
modernCpp: await this.analyzeModernCpp(tree, content, options.cppStandard || 'cpp17'),
performance: options.includePerformance ? await this.analyzePerformance(tree, content) : { hotspots: [], optimizations: [], score: 0 },
memory: options.includeMemory ? await this.analyzeMemory(tree, content) : { issues: [], smartPointerUsage: { uniquePtr: 0, sharedPtr: 0, weakPtr: 0, rawPointers: 0, recommendations: [] }, raii: { score: 0, violations: [], recommendations: [] }, score: 0 },
security: options.includeSecurity ? await this.analyzeSecurity(tree, content) : { vulnerabilities: [], recommendations: [], score: 0 },
};
// Add CUDA analysis if requested and CUDA code detected
if (options.includeCuda && this.detectCudaCode(content)) {
result.cuda = await this.analyzeCuda(tree, content);
}
logger.info(`Enhanced C++ analysis completed for: ${filePath}`);
return result;
}
catch (error) {
throw new AnalysisError(`Enhanced C++ analysis failed: ${error instanceof Error ? error.message : 'Unknown error'}`, ErrorCode.ANALYSIS_FAILED, { additionalInfo: { filePath, options } }, error instanceof Error ? error : undefined);
}
}
/**
* Analyze code metrics using AST
*/
async analyzeMetrics(tree, content) {
const lines = content.split('\n');
let codeLines = 0;
let commentLines = 0;
let blankLines = 0;
for (const line of lines) {
const trimmed = line.trim();
if (trimmed === '') {
blankLines++;
}
else if (trimmed.startsWith('//') || trimmed.startsWith('/*') || trimmed.startsWith('*')) {
commentLines++;
}
else {
codeLines++;
}
}
const complexity = this.calculateComplexity(tree);
return {
totalLines: lines.length,
codeLines,
commentLines,
blankLines,
complexity,
};
}
/**
* Calculate complexity metrics from AST
*/
calculateComplexity(tree) {
// This is a simplified implementation
// In a real implementation, we would traverse the AST to calculate accurate metrics
const cyclomaticComplexity = this.calculateCyclomaticComplexity(tree);
const cognitiveComplexity = this.calculateCognitiveComplexity(tree);
const halstead = this.calculateHalsteadMetrics(tree);
const maintainabilityIndex = this.calculateMaintainabilityIndex(cyclomaticComplexity, halstead);
return {
cyclomatic: cyclomaticComplexity,
cognitive: cognitiveComplexity,
halstead,
maintainabilityIndex,
};
}
/**
* Calculate cyclomatic complexity from AST
*/
calculateCyclomaticComplexity(tree) {
let complexity = 1; // Base complexity
// Traverse the AST to count decision points
const traverse = (node) => {
switch (node.type) {
case 'if_statement':
case 'while_statement':
case 'for_statement':
case 'do_statement':
case 'switch_statement':
case 'case_statement':
case 'conditional_expression':
complexity++;
break;
case 'logical_and_expression':
case 'logical_or_expression':
complexity++;
break;
}
// Recursively traverse child nodes
for (let i = 0; i < node.childCount; i++) {
traverse(node.child(i));
}
};
traverse(tree.rootNode);
return complexity;
}
/**
* Calculate cognitive complexity
*/
calculateCognitiveComplexity(tree) {
let complexity = 0;
const traverse = (node, currentNesting) => {
let increment = 0;
let newNesting = currentNesting;
switch (node.type) {
case 'if_statement':
case 'while_statement':
case 'for_statement':
case 'do_statement':
increment = 1 + currentNesting;
newNesting = currentNesting + 1;
break;
case 'switch_statement':
increment = 1 + currentNesting;
newNesting = currentNesting + 1;
break;
case 'case_statement':
increment = 1;
break;
case 'conditional_expression':
increment = 1 + currentNesting;
break;
case 'logical_and_expression':
case 'logical_or_expression':
increment = 1;
break;
case 'catch_clause':
increment = 1 + currentNesting;
newNesting = currentNesting + 1;
break;
case 'lambda_expression':
increment = 1;
newNesting = currentNesting + 1;
break;
}
complexity += increment;
// Recursively traverse child nodes
for (let i = 0; i < node.childCount; i++) {
traverse(node.child(i), newNesting);
}
};
traverse(tree.rootNode, 0);
return complexity;
}
/**
* Calculate Halstead metrics
*/
calculateHalsteadMetrics(tree) {
const operators = new Set();
const operands = new Set();
let operatorCount = 0;
let operandCount = 0;
const operatorTypes = new Set([
'+', '-', '*', '/', '%', '=', '==', '!=', '<', '>', '<=', '>=',
'&&', '||', '!', '&', '|', '^', '~', '<<', '>>', '++', '--',
'+=', '-=', '*=', '/=', '%=', '&=', '|=', '^=', '<<=', '>>=',
'if', 'else', 'while', 'for', 'do', 'switch', 'case', 'default',
'return', 'break', 'continue', 'goto', 'try', 'catch', 'throw'
]);
const traverse = (node) => {
const nodeText = node.text;
// Count operators
if (operatorTypes.has(node.type) || operatorTypes.has(nodeText)) {
operators.add(nodeText);
operatorCount++;
}
// Count operands (identifiers, literals)
else if (node.type === 'identifier' ||
node.type === 'number_literal' ||
node.type === 'string_literal' ||
node.type === 'character_literal') {
operands.add(nodeText);
operandCount++;
}
// Recursively traverse child nodes
for (let i = 0; i < node.childCount; i++) {
traverse(node.child(i));
}
};
traverse(tree.rootNode);
const n1 = operators.size; // Unique operators
const n2 = operands.size; // Unique operands
const N1 = operatorCount; // Total operators
const N2 = operandCount; // Total operands
const vocabulary = n1 + n2;
const length = N1 + N2;
const volume = length * Math.log2(vocabulary || 1);
const difficulty = (n1 / 2) * (N2 / (n2 || 1));
const effort = difficulty * volume;
const timeToProgram = effort / 18; // Seconds
const bugsDelivered = volume / 3000;
return {
vocabulary,
length,
volume: Math.round(volume * 100) / 100,
difficulty: Math.round(difficulty * 100) / 100,
effort: Math.round(effort * 100) / 100,
timeToProgram: Math.round(timeToProgram * 100) / 100,
bugsDelivered: Math.round(bugsDelivered * 1000) / 1000,
};
}
/**
* Calculate maintainability index
*/
calculateMaintainabilityIndex(cyclomaticComplexity, halstead, linesOfCode = 100) {
// Maintainability Index = 171 - 5.2 * ln(Halstead Volume) - 0.23 * (Cyclomatic Complexity) - 16.2 * ln(Lines of Code)
const halsteadVolume = halstead.volume || 1;
const logVolume = Math.log(halsteadVolume);
const logLoc = Math.log(linesOfCode || 1);
const maintainabilityIndex = 171 - 5.2 * logVolume - 0.23 * cyclomaticComplexity - 16.2 * logLoc;
// Normalize to 0-100 scale
return Math.max(0, Math.min(100, maintainabilityIndex));
}
/**
* Detect CUDA code in content
*/
detectCudaCode(content) {
const cudaKeywords = [
'__global__', '__device__', '__host__',
'cudaMalloc', 'cudaFree', 'cudaMemcpy',
'blockIdx', 'threadIdx', 'blockDim', 'gridDim',
'<<<', '>>>'
];
return cudaKeywords.some(keyword => content.includes(keyword));
}
// Structural analysis methods
async analyzeStructure(tree, _content) {
const structure = {
namespaces: [],
classes: [],
functions: [],
variables: [],
enums: [],
templates: [],
macros: [],
};
const traverse = (node) => {
switch (node.type) {
case 'namespace_definition':
structure.namespaces.push(this.extractNamespace(node));
break;
case 'class_specifier':
case 'struct_specifier':
structure.classes.push(this.extractClass(node));
break;
case 'function_definition':
case 'function_declarator':
structure.functions.push(this.extractFunction(node));
break;
case 'declaration':
const variable = this.extractVariable(node);
if (variable)
structure.variables.push(variable);
break;
case 'enum_specifier':
structure.enums.push(this.extractEnum(node));
break;
case 'template_declaration':
structure.templates.push(this.extractTemplate(node));
break;
case 'preproc_def':
case 'preproc_function_def':
structure.macros.push(this.extractMacro(node));
break;
}
// Recursively traverse child nodes
for (let i = 0; i < node.childCount; i++) {
traverse(node.child(i));
}
};
traverse(tree.rootNode);
return structure;
}
async analyzeDependencies(tree, _content, filePath) {
const systemIncludes = [];
const userIncludes = [];
const traverse = (node) => {
if (node.type === 'preproc_include') {
const includeText = node.text;
const match = includeText.match(/#include\s*[<"](.*)[>"]/);
if (match && match[1]) {
const includePath = match[1];
if (includeText.includes('<')) {
systemIncludes.push(includePath);
}
else {
userIncludes.push(includePath);
}
}
}
for (let i = 0; i < node.childCount; i++) {
traverse(node.child(i));
}
};
traverse(tree.rootNode);
return {
systemIncludes,
userIncludes,
dependencyGraph: [{ file: filePath, includes: [...systemIncludes, ...userIncludes], includedBy: [], depth: 0 }],
circularDependencies: [], // Would require cross-file analysis
};
}
async analyzeModernCpp(_tree, _content, cppStandard) {
// Implementation would detect modern C++ features usage
return {
cppStandard,
featuresUsed: [],
recommendations: [],
score: 0,
};
}
async analyzePerformance(_tree, _content) {
// Implementation would identify performance hotspots
return {
hotspots: [],
optimizations: [],
score: 0,
};
}
async analyzeMemory(_tree, _content) {
// Implementation would analyze memory management patterns
return {
issues: [],
smartPointerUsage: {
uniquePtr: 0,
sharedPtr: 0,
weakPtr: 0,
rawPointers: 0,
recommendations: [],
},
raii: {
score: 0,
violations: [],
recommendations: [],
},
score: 0,
};
}
async analyzeSecurity(_tree, _content) {
// Implementation would identify security vulnerabilities
return {
vulnerabilities: [],
recommendations: [],
score: 0,
};
}
async analyzeCuda(_tree, _content) {
// Implementation would analyze CUDA-specific patterns
return {
kernels: [],
memoryTransfers: [],
optimizations: [],
score: 0,
};
}
// Extraction methods for structural analysis
extractNamespace(node) {
const nameNode = node.childForFieldName('name');
return {
name: nameNode?.text || 'anonymous',
line: node.startPosition.row + 1,
column: node.startPosition.column,
nested: false, // Would need parent analysis
members: [], // Would need member analysis
};
}
extractClass(node) {
const nameNode = node.childForFieldName('name');
return {
name: nameNode?.text || 'anonymous',
line: node.startPosition.row + 1,
column: node.startPosition.column,
type: node.type === 'struct_specifier' ? 'struct' : 'class',
inheritance: [], // Would need inheritance analysis
members: [], // Would need member analysis
isTemplate: false, // Would need template analysis
accessSpecifiers: [], // Would need access specifier analysis
};
}
extractFunction(node) {
const nameNode = node.childForFieldName('declarator')?.childForFieldName('declarator');
return {
name: nameNode?.text || 'anonymous',
line: node.startPosition.row + 1,
column: node.startPosition.column,
returnType: 'unknown', // Would need type analysis
parameters: [], // Would need parameter analysis
isStatic: false, // Would need modifier analysis
isVirtual: false,
isConst: false,
isNoexcept: false,
isTemplate: false,
complexity: 1, // Would calculate from body
bodyLines: node.endPosition.row - node.startPosition.row,
};
}
extractVariable(node) {
// Simplified variable extraction
const declarator = node.childForFieldName('declarator');
if (!declarator)
return null;
return {
name: declarator.text || 'unknown',
type: 'unknown', // Would need type analysis
line: node.startPosition.row + 1,
column: node.startPosition.column,
isGlobal: false, // Would need scope analysis
isStatic: false,
isConst: false,
isConstexpr: false,
};
}
extractEnum(node) {
const nameNode = node.childForFieldName('name');
return {
name: nameNode?.text || 'anonymous',
line: node.startPosition.row + 1,
column: node.startPosition.column,
isScoped: false, // Would need analysis
values: [], // Would need value analysis
};
}
extractTemplate(node) {
return {
name: 'template', // Would need name analysis
line: node.startPosition.row + 1,
column: node.startPosition.column,
type: 'function', // Would need type analysis
parameters: [], // Would need parameter analysis
specializations: [], // Would need specialization analysis
};
}
extractMacro(node) {
const nameNode = node.childForFieldName('name');
return {
name: nameNode?.text || 'unknown',
line: node.startPosition.row + 1,
column: node.startPosition.column,
body: node.text,
isFunctionLike: node.type === 'preproc_function_def',
};
}
}
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