pmat 3.15.0

PMAT - Zero-config AI context generation and code quality toolkit (CLI, MCP, HTTP)
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/// Handle WebAssembly analysis
#[allow(clippy::too_many_arguments)]
#[provable_contracts_macros::contract("pmat-core.yaml", equation = "path_exists")]
pub async fn handle_analyze_webassembly(
    project_path: PathBuf,
    format: ComplexityOutputFormat,
    include_binary: bool,
    include_text: bool,
    _memory_analysis: bool,
    security: bool,
    complexity: bool,
    output: Option<PathBuf>,
    perf: bool,
) -> Result<()> {
    eprintln!("🔍 Analyzing WebAssembly files...");
    let start = std::time::Instant::now();

    let wasm_files = collect_wasm_files(&project_path, include_binary, include_text)?;
    eprintln!("📁 Found {} WebAssembly files", wasm_files.len());

    let results = analyze_wasm_files(
        wasm_files,
        include_binary,
        include_text,
        security,
        complexity,
    )
    .await;

    let elapsed = start.elapsed();
    eprintln!("📊 Analysis complete in {:.2}s", elapsed.as_secs_f64());

    write_wasm_analysis_output(&results, &format, perf, elapsed, output).await?;

    Ok(())
}

/// Analyze WASM files based on type and flags (cognitive complexity ≤8)
async fn analyze_wasm_files(
    wasm_files: Vec<PathBuf>,
    include_binary: bool,
    include_text: bool,
    security: bool,
    complexity: bool,
) -> Vec<(PathBuf, WasmMetrics)> {
    let mut results = Vec::new();

    for file_path in wasm_files {
        if let Some(result) = analyze_single_wasm_file(
            &file_path,
            include_binary,
            include_text,
            security,
            complexity,
        )
        .await
        {
            results.push(result);
        }
    }

    results
}

/// Analyze a single WASM file (cognitive complexity ≤7)
async fn analyze_single_wasm_file(
    file_path: &Path,
    include_binary: bool,
    include_text: bool,
    security: bool,
    complexity: bool,
) -> Option<(PathBuf, WasmMetrics)> {
    match file_path.extension().and_then(|s| s.to_str()) {
        Some("wasm") if include_binary => analyze_wasm_binary(file_path).await,
        Some("wat") if include_text => {
            analyze_wat_text(file_path, security, complexity).await;
            None // WAT analysis doesn't return WasmMetrics currently
        }
        _ => None,
    }
}

/// Analyze WASM binary file (cognitive complexity ≤3)
async fn analyze_wasm_binary(file_path: &Path) -> Option<(PathBuf, WasmMetrics)> {
    let analyzer = WasmBinaryAnalyzer::new();
    match analyzer.analyze_file(file_path).await {
        Ok(analysis) => {
            eprintln!("✅ Analyzed binary: {}", file_path.display());
            Some((file_path.to_path_buf(), analysis))
        }
        Err(e) => {
            eprintln!("❌ Failed to analyze {}: {}", file_path.display(), e);
            None
        }
    }
}

/// Analyze WAT text file (cognitive complexity ≤6)
async fn analyze_wat_text(file_path: &Path, security: bool, complexity: bool) {
    if let Ok(content) = tokio::fs::read_to_string(file_path).await {
        let mut parser = WatParser::new();
        match parser.parse(&content) {
            Ok(ast) => {
                eprintln!("✅ Parsed WAT: {}", file_path.display());
                process_wat_ast(&ast, file_path, security, complexity);
            }
            Err(e) => {
                eprintln!("❌ Failed to parse {}: {}", file_path.display(), e);
            }
        }
    }
}

/// Process WAT AST for security and complexity (cognitive complexity ≤5)
fn process_wat_ast(ast: &AstDag, file_path: &Path, security: bool, complexity: bool) {
    if complexity {
        let complexity_analyzer = WasmComplexityAnalyzer::new();
        let _ = complexity_analyzer.analyze_ast(ast);
    }

    if security {
        let security_validator = WasmSecurityValidator::new();
        if let Err(e) = security_validator.validate_ast(ast) {
            eprintln!("⚠️  Security issue in {}: {}", file_path.display(), e);
        }
    }
}

/// Write WASM analysis output (cognitive complexity ≤4)
async fn write_wasm_analysis_output(
    results: &[(PathBuf, WasmMetrics)],
    format: &ComplexityOutputFormat,
    perf: bool,
    elapsed: std::time::Duration,
    output: Option<PathBuf>,
) -> Result<()> {
    let output_text = format_webassembly_results(results, format, perf, elapsed)?;

    if let Some(output_path) = output {
        tokio::fs::write(&output_path, &output_text).await?;
        eprintln!("📝 Results written to: {}", output_path.display());
    } else {
        println!("{output_text}");
    }

    Ok(())
}