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How to use collectUsed method of compiler Package

Best Syzkaller code snippet using compiler.collectUsed

check.go

Source:check.go

...409	return nodes, nil410}411func (comp *compiler) collectUnused() []ast.Node {412	var unused []ast.Node413	comp.used, _, _ = comp.collectUsed(false)414	structs, flags, strflags := comp.collectUsed(true)415	note := func(n ast.Node) {416		if pos, _, _ := n.Info(); pos.Builtin() {417			return418		}419		unused = append(unused, n)420	}421	for name, n := range comp.intFlags {422		if !flags[name] {423			note(n)424		}425	}426	for name, n := range comp.strFlags {427		if !strflags[name] {428			note(n)429		}430	}431	for name, n := range comp.resources {432		if !structs[name] {433			note(n)434		}435	}436	for name, n := range comp.structs {437		if !structs[name] {438			note(n)439		}440	}441	for name, n := range comp.typedefs {442		if !comp.usedTypedefs[name] {443			note(n)444		}445	}446	return unused447}448func (comp *compiler) collectUsed(all bool) (structs, flags, strflags map[string]bool) {449	structs = make(map[string]bool)450	flags = make(map[string]bool)451	strflags = make(map[string]bool)452	for _, decl := range comp.desc.Nodes {453		switch n := decl.(type) {454		case *ast.Call:455			if !all && n.NR == ^uint64(0) {456				break457			}458			for _, arg := range n.Args {459				comp.collectUsedType(structs, flags, strflags, arg.Type, true)460			}461			if n.Ret != nil {462				comp.collectUsedType(structs, flags, strflags, n.Ret, true)463			}464		}465	}466	return467}468func (comp *compiler) collectUsedType(structs, flags, strflags map[string]bool, t *ast.Type, isArg bool) {469	desc := comp.getTypeDesc(t)470	if desc == typeResource {471		r := comp.resources[t.Ident]472		for r != nil && !structs[r.Name.Name] {473			structs[r.Name.Name] = true474			r = comp.resources[r.Base.Ident]475		}476		return477	}478	if desc == typeStruct {479		if structs[t.Ident] {480			return481		}482		structs[t.Ident] = true483		s := comp.structs[t.Ident]484		for _, fld := range s.Fields {485			comp.collectUsedType(structs, flags, strflags, fld.Type, false)486		}487		return488	}489	if desc == typeFlags {490		flags[t.Args[0].Ident] = true491		return492	}493	if desc == typeString {494		if len(t.Args) != 0 && t.Args[0].Ident != "" {495			strflags[t.Args[0].Ident] = true496		}497		return498	}499	_, args, _ := comp.getArgsBase(t, isArg)500	for i, arg := range args {501		if desc.Args[i].Type == typeArgType {502			comp.collectUsedType(structs, flags, strflags, arg, desc.Args[i].IsArg)503		}504	}505}506func (comp *compiler) checkUnused() {507	for _, n := range comp.collectUnused() {508		pos, typ, name := n.Info()509		comp.error(pos, fmt.Sprintf("unused %v %v", typ, name))510	}511}512type structDir struct {513	Struct string514	Dir    prog.Dir515}516func (comp *compiler) checkConstructors() {...

collectUsed

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "2.go", nil, parser.ImportsOnly)4	if err != nil {5	}6	conf := types.Config{Importer: importerFor(fset, "source")}7	pkg, _ := conf.Check("cmd/gotype", fset, []*ast.File{f}, nil)8	for _, name := range pkg.Imports() {9		fmt.Println(name)10	}11}12func importerFor(fset *token.FileSet, mode string) types.Importer {13	return &importer{fset: fset, mode: mode}14}15type importer struct {16}17func (imp *importer) Import(path string) (*types.Package, error) {18	f, err := parser.ParseFile(imp.fset, path+".go", nil, parser.ImportsOnly)19	if err != nil {20	}21	conf := types.Config{Importer: importerFor(imp.fset, imp.mode)}22	return conf.Check(path, imp.fset, []*ast.File{f}, nil)23}24import (25func main() {26	f, err := parser.ParseFile(fset

collectUsed

Using AI Code Generation

1import (2func main() {3	m := ir.NewModule()4	foo := m.NewFunc("foo", types.I32)5	entry := foo.NewBlock("entry")6	c := constant.NewInt(types.I32, 42)7	entry.NewRet(c)8	fmt.Println(m)9}10; ModuleID = 'main'11define i32 @foo() {12}

collectUsed

Using AI Code Generation

1import "fmt"2func main() {3    c.collectUsed()4    fmt.Println(c.used)5}6import "fmt"7func main() {8    c.collectUsed()9    fmt.Println(c.used)10}11import "fmt"12func main() {13    c.collectUsed()14    fmt.Println(c.used)15}16import "fmt"17func main() {18    c.collectUsed()19    fmt.Println(c.used)20}21import "fmt"22func main() {23    c.collectUsed()24    fmt.Println(c.used)25}26import "fmt"27func main() {28    c.collectUsed()29    fmt.Println(c.used)30}31import "fmt"32func main() {33    c.collectUsed()34    fmt.Println(c.used)35}36import "fmt"37func main() {38    c.collectUsed()39    fmt.Println(c.used)40}41import "fmt"42func main() {43    c.collectUsed()44    fmt.Println(c.used)45}46import "fmt"47func main() {48    c.collectUsed()49    fmt.Println(c.used)50}51import "fmt"52func main() {53    c.collectUsed()54    fmt.Println(c.used)55}

collectUsed

Using AI Code Generation

1  var compiler = new Compiler();2  var used = compiler.collectUsed();3  for (var i = 0; i < used.length; i++) {4    print(used[i].name);5  }6  var compiler = new Compiler();7  var used = compiler.collectUsed();8  for (var i = 0; i < used.length; i++) {9    print(used[i].name);10  }11  var compiler = new Compiler();12  var used = compiler.collectUsed();13  for (var i = 0; i < used.length; i++) {14    print(used[i].name);15  }16  var compiler = new Compiler();17  var used = compiler.collectUsed();18  for (var i = 0; i < used.length; i++) {19    print(used[i].name);20  }21  var compiler = new Compiler();22  var used = compiler.collectUsed();23  for (var i = 0; i < used.length; i++) {24    print(used[i].name);25  }26  var compiler = new Compiler();27  var used = compiler.collectUsed();28  for (var i = 0; i < used.length; i++) {29    print(used[i].name);30  }31  var compiler = new Compiler();32  var used = compiler.collectUsed();33  for (var i = 0; i < used.length; i++) {34    print(used[i].name);35  }36  var compiler = new Compiler();37  var used = compiler.collectUsed();38  for (var i = 0; i < used.length; i++) {39    print(used[i].name);40  }41  var compiler = new Compiler();42  var used = compiler.collectUsed();43  for (

collectUsed

Using AI Code Generation

1func main() {2    c.collectUsed("test")3    fmt.Println(c.used)4}5type compiler struct {6}7func (c *compiler) collectUsed(name string) {8    f := reflect.ValueOf(c).MethodByName(name)9    f.Call(nil)10}11func (c *compiler) test() {12}

collectUsed

Using AI Code Generation

1import (2func main() {3	f, err := parser.ParseFile(fset, "1.go", nil, parser.ParseComments)4	if err != nil {5		fmt.Println(err)6	}7	for _, s := range f.Imports {8		fmt.Println(s.Path.Value)9	}10	if len(f.Comments) > 0 {11		fmt.Println(f.Comments[0].Text())12	}13	if len(f.Decls) > 0 {14		if gd, ok := f.Decls[0].(*ast.GenDecl); ok {15			if len(gd.Specs) > 0 {16				if v, ok := gd.Specs[0].(*ast.ValueSpec); ok {17					if len(v.Comment) > 0 {18						fmt.Println(v.Comment.Text())19					}20				}21			}22		}23	}24	if len(f.Decls) > 0 {25		if fd, ok := f.Decls[0].(*ast.FuncDecl); ok {26			fmt.Println(fd.Name.Name)27		}28	}29	for _, d := range f.Decls {30		if fd, ok := d.(*ast.FuncDecl); ok {31			fmt.Println(fd.Name.Name)32		}33	}34	ast.Inspect(f, func(n ast.Node) bool {35		switch x := n.(type) {36			fmt.Println(x.Name)37		}38	})

collectUsed

Using AI Code Generation

1import "fmt"2import "comp"3func main() {4  p = comp.ParseProgram("p1")5  used = c.CollectUsed(p)6  fmt.Println("used variables are:")7  for _, v := range used {8    fmt.Println(v)9  }10}11import "fmt"12import "comp"13func main() {14  p = comp.ParseProgram("p1")15  defs = c.CollectDefs(p)16  fmt.Println("defined variables are:")17  for _, v := range defs {18    fmt.Println(v)19  }20}21import "fmt"22import "comp"23func main() {24  p = comp.ParseProgram("p1")25  uses = c.CollectUses(p)26  fmt.Println("used variables are:")27  for _, v := range uses {28    fmt.Println(v)29  }30}31import "fmt"32import "comp"33func main() {34  p = comp.ParseProgram("p1")35  defs = c.CollectDefs(p)36  fmt.Println("defined variables are:")37  for _, v := range defs {38    fmt.Println(v)39  }40}41import "fmt"42import "comp"43func main() {44  p = comp.ParseProgram("p1")

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