Go Analysis Framework: modular static analysis by go team
The Go team has introduced a modular static analysis framework designed to standardize how code checkers are built and integrated. This framework allows developers to create reusable analysis tools that can be shared across various IDEs, build systems, and command-line utilities.
Why it matters
Standardizing static analysis tools improves code quality and developer productivity by ensuring consistent bug detection across the Go ecosystem.
Package analysis defines the interface between a modular static analysis and an analysis driver program.
A static analysis is a function that inspects a package of Go code and reports a set of diagnostics (typically mistakes in the code), and perhaps produces other results as well, such as suggested refactorings or other facts. An analysis that reports mistakes is informally called a "checker". For example, the printf checker reports mistakes in fmt.Printf format strings.
A "modular" analysis is one that inspects one package at a time but can save information from a lower-level package and use it when inspecting a higher-level package, analogous to separate compilation in a toolchain. The printf checker is modular: when it discovers that a function such as log.Fatalf delegates to fmt.Printf, it records this fact, and checks calls to that function too, including calls made from another package.
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