tools/

Package intsets provides Sparse, a compact and fast representation for sparse sets of int values.

The analysis package defines the interface between a modular static analysis and an analysis driver program.

Package analysistest provides utilities for testing analyzers.

The vet command is a static checker for Go programs.

Package multichecker defines the main function for an analysis driver with several analyzers.

Package asmdecl defines an Analyzer that reports mismatches between assembly files and Go declarations.

Package assign defines an Analyzer that detects useless assignments.

Package atomic defines an Analyzer that checks for common mistakes using the sync/atomic package.

Package atomicalign defines an Analyzer that checks for non-64-bit-aligned arguments to sync/atomic functions.

Package bools defines an Analyzer that detects common mistakes involving boolean operators.

Package buildssa defines an Analyzer that constructs the SSA representation of an error-free package and returns the set of all functions within it.

Package buildtag defines an Analyzer that checks build tags.

Package cgocall defines an Analyzer that detects some violations of the cgo pointer passing rules.

Package composite defines an Analyzer that checks for unkeyed composite literals.

Package copylock defines an Analyzer that checks for locks erroneously passed by value.

Package ctrlflow is an analysis that provides a syntactic control-flow graph (CFG) for the body of a function.

The findcall package defines an Analyzer that serves as a trivial example and test of the Analysis API.

The findcall command runs the findcall analyzer.

Package httpresponse defines an Analyzer that checks for mistakes using HTTP responses.

Package inspect defines an Analyzer that provides an AST inspector (golang.org/x/tools/go/ast/inspect.Inspect) for the syntax trees of a package.

Package loopclosure defines an Analyzer that checks for references to enclosing loop variables from within nested functions.

Package lostcancel defines an Analyzer that checks for failure to call a context cancelation function.

The lostcancel command applies the golang.org/x/tools/go/analysis/passes/lostcancel analysis to the specified packages of Go source code.

Package nilfunc defines an Analyzer that checks for useless comparisons against nil.

Package nilness inspects the control-flow graph of an SSA function and reports errors such as nil pointer dereferences and degenerate nil pointer comparisons.

The nilness command applies the golang.org/x/tools/go/analysis/passes/nilness analysis to the specified packages of Go source code.

The pkgfact package is a demonstration and test of the package fact mechanism.

The shadow command runs the shadow analyzer.

Package shift defines an Analyzer that checks for shifts that exceed the width of an integer.

Package stdmethods defines an Analyzer that checks for misspellings in the signatures of methods similar to well-known interfaces.

Package structtag defines an Analyzer that checks struct field tags are well formed.

Package tests defines an Analyzer that checks for common mistaken usages of tests and examples.

The unmarshal package defines an Analyzer that checks for passing non-pointer or non-interface types to unmarshal and decode functions.

The unmarshal command runs the unmarshal analyzer.

Package unreachable defines an Analyzer that checks for unreachable code.

Package unsafeptr defines an Analyzer that checks for invalid conversions of uintptr to unsafe.Pointer.

Package unusedresult defines an analyzer that checks for unused results of calls to certain pure functions.

Package singlechecker defines the main function for an analysis driver with only a single analysis.

The unitchecker package defines the main function for an analysis driver that analyzes a single compilation unit during a build.

Package astutil contains common utilities for working with the Go AST.

Package inspector provides helper functions for traversal over the syntax trees of a package, including node filtering by type, and materialization of the traversal stack.

Package buildutil provides utilities related to the go/build package in the standard library.

Package callgraph defines the call graph and various algorithms and utilities to operate on it.

Package cha computes the call graph of a Go program using the Class Hierarchy Analysis (CHA) algorithm.

This package provides Rapid Type Analysis (RTA) for Go, a fast algorithm for call graph construction and discovery of reachable code (and hence dead code) and runtime types.

Package static computes the call graph of a Go program containing only static call edges.

This package constructs a simple control-flow graph (CFG) of the statements and expressions within a single function.

Package expect provides support for interpreting structured comments in Go source code as test expectations.

Package gccgoexportdata provides functions for reading export data files containing type information produced by the gccgo compiler.

Package gcexportdata provides functions for locating, reading, and writing export data files containing type information produced by the gc compiler.

Package loader loads a complete Go program from source code, parsing and type-checking the initial packages plus their transitive closure of dependencies.

Package packages loads Go packages for inspection and analysis.

The gopackages command is a diagnostic tool that demonstrates how to use golang.org/x/tools/go/packages to load, parse, type-check, and print one or more Go packages.

Package packagestest creates temporary projects on disk for testing go tools on.

Package pointer implements Andersen's analysis, an inclusion-based pointer analysis algorithm first described in (Andersen, 1994).

Package ssa defines a representation of the elements of Go programs (packages, types, functions, variables and constants) using a static single-assignment (SSA) form intermediate representation (IR) for the bodies of functions.

Package ssa/interp defines an interpreter for the SSA representation of Go programs.

Package objectpath defines a naming scheme for types.Objects (that is, named entities in Go programs) relative to their enclosing package.

Package typeutil defines various utilities for types, such as Map, a mapping from types.Type to interface{} values.

Package vcs exposes functions for resolving import paths and using version control systems, which can be used to implement behavior similar to the standard "go get" command.