How to use TestCollectUnused method of compiler Package

Best Syzkaller code snippet using compiler.TestCollectUnused

compiler_test.go

Source:compiler_test.go

...177	if p == nil {178		t.Fatal("failed to compile")179	}180}181func TestCollectUnusedError(t *testing.T) {182	t.Parallel()183	const input = `184		s0 {185			f0 fidl_string186		}187        `188	nopErrorHandler := func(pos ast.Pos, msg string) {}189	desc := ast.Parse([]byte(input), "input", nopErrorHandler)190	if desc == nil {191		t.Fatal("failed to parse")192	}193	_, err := CollectUnused(desc, targets.List["test"]["64"], nopErrorHandler)194	if err == nil {195		t.Fatal("CollectUnused should have failed but didn't")196	}197}198func TestCollectUnused(t *testing.T) {199	t.Parallel()200	inputs := []struct {201		text  string202		names []string203	}{204		{205			text: `206				s0 {207					f0 string208				}209			`,210			names: []string{"s0"},211		},212		{...

TestCollectUnused

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	file, err := parser.ParseFile(fset, "1.go", nil, 0)5	if err != nil {6		log.Fatal(err)7	}

TestCollectUnused

Using AI Code Generation

1import (2func main() {3	fset := token.NewFileSet()4	f, err := parser.ParseFile(fset, "test.go", nil, parser.ParseComments)5	if err != nil {6		log.Fatal(err)7	}8	cfg := &packages.Config{9	}10	pkgs, err := packages.Load(cfg, ".")11	if err != nil {12		panic(err)13	}14", strings.Join(pkgs[0].GoFiles, ", "))15", f.Doc.Text())16", strings.Join(importNames(f), ", "))17", strings.Join(memberNames(f), ", "))18", t.Name())19", t.Type())20", t.Doc())

TestCollectUnused

Using AI Code Generation

1import (2func main() {3	import (4	func main() {5		import (6		func main() {7			import (8			func main() {9				import (10				func main() {11					import (12					func main() {13						import (

TestCollectUnused

Using AI Code Generation

1import "fmt"2import "go/build"3import "go/ast"4import "go/parser"5import "go/token"6import "go/types"7import "go/importer"8import "go/printer"9import "go/scanner"10func main() {11    fset := token.NewFileSet()12    f, err := parser.ParseFile(fset, "2.go", nil, parser.ParseComments)13    if err != nil {14        fmt.Println(err)15    }16    conf := types.Config{Importer: importer.Default()}17    info := &types.Info{18        Defs:  make(map[*ast.Ident]types.Object),19        Uses:  make(map[*ast.Ident]types.Object),20        Types: make(map[ast.Expr]types.TypeAndValue),21    }22    pkg, err := conf.Check("cmd/gc", fset, []*ast.File{f}, info)23    if err != nil {24        fmt.Println(err)25    }26    for id, obj := range info.Defs {27        fmt.Printf("def: %s: %s28    }29    for id, obj := range info.Uses {30        fmt.Printf("use: %s: %s31    }32    for expr, tv := range info.Types {33        fmt.Printf("type: %s: %s34    }35    for _, obj := range pkg.Scope().Names() {36        if obj := pkg.Scope().Lookup(obj); obj != nil && obj.Exported() && obj.Name() != "_" {37            if v, ok := obj.(*types.Var); ok && !v.IsField() {38                unused = append(unused, v)39            }40        }41    }42    fmt.Println("Unused variables:")43    for _, v := range unused {44        fmt.Printf("%s45", v.Name())46    }47    fmt.Println("AST:")48    printer.Fprint(os.Stdout, fset, f)49}50def: main: func main() (untyped string)51use: main: func main() (untyped string)52type: main: {func main() (untyped string) 0}

TestCollectUnused

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)4	if err != nil {5		log.Fatal(err)6	}7	ast.Print(fset, f)8	for _, s := range f.Imports {9		fmt.Println(s.Path.Value)10	}11	for _, c := range f.Comments {12		fmt.Println(c.Text())13	}14	for _, d := range f.Decls {15		if genDecl, ok := d.(*ast.GenDecl); ok {16			for _, s := range genDecl.Specs {17				if valueSpec, ok := s.(*ast.ValueSpec); ok {18					for _, name := range valueSpec.Names {19						fmt.Println(name.Name)20					}21				}22			}23		}24	}25	for _, d := range f.Decls {26		if funcDecl, ok := d.(*ast.FuncDecl); ok {27			fmt.Println(funcDecl.Name.Name)28		}29	}30	for _, d := range f.Decls {31		if funcDecl, ok := d.(*ast.FuncDecl); ok {32			fmt.Println(funcDecl.Name.Name)33		}34	}35	for _, d := range f.Decls {36		if funcDecl, ok := d.(*ast.FuncDecl); ok {37			fmt.Println(funcDecl.Name.Name)38		}39	}40	for _, d := range f.Decls {41		if funcDecl, ok := d.(*ast.FuncDecl); ok {42			fmt.Println(funcDecl.Name.Name)43		}44	}

TestCollectUnused

Using AI Code Generation

1func main() {2    c := compiler.New()3    m := ir.NewModule()4    c.SetModule(m)5    f := ir.NewFunction("main")6    m.AppendFunction(f)7    bb := ir.NewBasicBlock("entry")8    f.AppendBasicBlock(bb)9    b := ir.NewBuilder()10    b.SetInsertPoint(bb)11    v := constant.NewInt(t, 42)12    ret := b.CreateRet(v)13    bb.AppendInst(ret)14    pm := pass.NewManager()15    pm.AddPass(passes.NewDCEPass())16    if err := pm.Run(m); err != nil {17        fmt.Println(err)18    }19    fmt.Println(m)20}

TestCollectUnused

Using AI Code Generation

1func main() {2    c := compiler.NewCompiler()3    c.Compile("test1.go")4    c.Compile("test2.go")5    c.TestCollectUnused()6}

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