Fix type assertion in parsePackage function to ensure proper handling of function declarations without receivers.

ungerik · ungerik · commit 1cbfc0916d1b · 2025-10-18T16:15:27.000+02:00
diff --git a/cmd/gen-func-wrappers/gen/parse.go b/cmd/gen-func-wrappers/gen/parse.go
@@ -51,8 +51,8 @@ func parsePackage(pkgDir, excludeFilename string, onlyFuncs ...string) (pkg *ast
 				// ast.Print(fileSet, obj)
 				continue
 			}
-			funcDecl := obj.Decl.(*ast.FuncDecl)
-			if funcDecl.Recv != nil {
+			funcDecl, ok := obj.Decl.(*ast.FuncDecl)
+			if !ok || funcDecl.Recv != nil {
 				continue
 			}
 			if len(onlyFuncs) > 0 {

Original file line number	Diff line number	Diff line change
`@@ -51,8 +51,8 @@ func parsePackage(pkgDir, excludeFilename string, onlyFuncs ...string) (pkg *ast`
`51`	`51`	`// ast.Print(fileSet, obj)`
`52`	`52`	`continue`
`53`	`53`	`}`
`54`		`- funcDecl := obj.Decl.(*ast.FuncDecl)`
`55`		`- if funcDecl.Recv != nil {`
	`54`	`+ funcDecl, ok := obj.Decl.(*ast.FuncDecl)`
	`55`	`+ if !ok \|\| funcDecl.Recv != nil {`
`56`	`56`	`continue`
`57`	`57`	`}`
`58`	`58`	`if len(onlyFuncs) > 0 {`