gotools/refactor/eg/eg.go

const Help …

type Transformer …

// NewTransformer returns a transformer based on the specified template,
// a single-file package containing "before" and "after" functions as
// described in the package documentation.
// tmplInfo is the type information for tmplFile.
func NewTransformer(fset *token.FileSet, tmplPkg *types.Package, tmplFile *ast.File, tmplInfo *types.Info, verbose bool) (*Transformer, error) { … }

// WriteAST is a convenience function that writes AST f to the specified file.
func WriteAST(fset *token.FileSet, filename string, f *ast.File) (err error) { … }

// funcSig returns the signature of the specified package-level function.
func funcSig(pkg *types.Package, name string) *types.Signature { … }

// soleExpr returns the sole expression in the before/after template function.
func soleExpr(fn *ast.FuncDecl) (ast.Expr, error) { … }

// stmtAndExpr returns the expression in the last return statement as well as the preceding lines.
func stmtAndExpr(fn *ast.FuncDecl) ([]ast.Stmt, ast.Expr, error) { … }

// mergeTypeInfo adds type info from src to dst.
func mergeTypeInfo(dst, src *types.Info) { … }

// (debugging only)
func astString(fset *token.FileSet, n ast.Node) string { … }