How to use checkStruct method of compiler Package

Best Syzkaller code snippet using compiler.checkStruct

mixer_test.go

Source:mixer_test.go

...33		panic(fmt.Sprintf("failed to unmarshal %s: %s", path, err))34	}35	return root36}()37// checkStruct is a helper function to test the Declaration for a struct.38func checkStruct(t *testing.T, decl Declaration, expectedName string, expectedNullable bool) {39	t.Helper()40	structDecl, ok := decl.(*StructDecl)41	if !ok {42		t.Fatalf("expected StructDecl, got %T\n\ndecl: %#v", decl, decl)43	}44	name := structDecl.Name.Parts()45	if name.Name != fidlir.Identifier(expectedName) {46		t.Errorf("expected name to be %s, got %s\n\ndecl: %#v", expectedName, name.Name, decl)47	}48	if structDecl.nullable != expectedNullable {49		t.Errorf("expected nullable to be %v, got %v\n\ndecl: %#v",50			expectedNullable, structDecl.nullable, decl)51	}52}53func TestLookupDeclByNameNonNullable(t *testing.T) {54	decl, ok := schema(fidlRoot).LookupDeclByName("ExampleStruct", false)55	if !ok {56		t.Fatalf("LookupDeclByName failed")57	}58	checkStruct(t, decl, "ExampleStruct", false)59}60func TestLookupDeclByNameNullable(t *testing.T) {61	decl, ok := schema(fidlRoot).LookupDeclByName("ExampleStruct", true)62	if !ok {63		t.Fatalf("LookupDeclByName failed")64	}65	checkStruct(t, decl, "ExampleStruct", true)66}67func TestLookupDeclByNameFailure(t *testing.T) {68	decl, ok := schema(fidlRoot).LookupDeclByName("ThisIsNotAStruct", false)69	if ok {70		t.Fatalf("LookupDeclByName unexpectedly succeeded: %#v", decl)71	}72}73func TestLookupDeclByTypeSuccess(t *testing.T) {74	typ := fidlir.Type{75		Kind:             fidlir.PrimitiveType,76		PrimitiveSubtype: fidlir.Bool,77	}78	decl, ok := schema(fidlRoot).LookupDeclByType(typ)79	if !ok {80		t.Fatalf("LookupDeclByType failed")81	}82	if _, ok := decl.(*BoolDecl); !ok {83		t.Fatalf("expected BoolDecl, got %T\n\ndecl: %#v", decl, decl)84	}85}86func TestExtractDeclarationSuccess(t *testing.T) {87	value := gidlir.Object{88		Name: "ExampleStruct",89		Fields: []gidlir.Field{90			{Key: gidlir.FieldKey{Name: "s"}, Value: "foo"},91		},92	}93	decl, err := ExtractDeclaration(value, fidlRoot)94	if err != nil {95		t.Fatalf("ExtractDeclaration failed: %s", err)96	}97	checkStruct(t, decl, "ExampleStruct", false)98}99func TestExtractDeclarationNotDefined(t *testing.T) {100	value := gidlir.Object{101		Name:   "ThisIsNotAStruct",102		Fields: []gidlir.Field{},103	}104	decl, err := ExtractDeclaration(value, fidlRoot)105	if err == nil {106		t.Fatalf("ExtractDeclaration unexpectedly succeeded: %#v", decl)107	}108	if !strings.Contains(err.Error(), "unknown") {109		t.Fatalf("expected err to contain 'unknown', got '%s'", err)110	}111}112func TestExtractDeclarationDoesNotConform(t *testing.T) {113	value := gidlir.Object{114		Name: "ExampleStruct",115		Fields: []gidlir.Field{116			{Key: gidlir.FieldKey{Name: "ThisIsNotAField"}, Value: "foo"},117		},118	}119	decl, err := ExtractDeclaration(value, fidlRoot)120	if err == nil {121		t.Fatalf("ExtractDeclaration unexpectedly succeeded: %#v", decl)122	}123	if !strings.Contains(err.Error(), "conform") {124		t.Fatalf("expected err to contain 'conform', got '%s'", err)125	}126}127func TestExtractDeclarationUnsafeSuccess(t *testing.T) {128	value := gidlir.Object{129		Name: "ExampleStruct",130		Fields: []gidlir.Field{131			{Key: gidlir.FieldKey{Name: "ThisIsNotAField"}, Value: "foo"},132		},133	}134	decl, err := ExtractDeclarationUnsafe(value, fidlRoot)135	if err != nil {136		t.Fatalf("ExtractDeclarationUnsafe failed: %s", err)137	}138	checkStruct(t, decl, "ExampleStruct", false)139}140// conformTest describes a test case for the Declaration.conforms method.141type conformTest interface {142	shouldConform() bool143	value() interface{}144}145type conformOk struct{ val interface{} }146type conformFail struct{ val interface{} }147func (c conformOk) shouldConform() bool { return true }148func (c conformOk) value() interface{}  { return c.val }149func (c conformFail) shouldConform() bool { return false }150func (c conformFail) value() interface{}  { return c.val }151// checkConforms is a helper function to test the Declaration.conforms method.152func checkConforms(t *testing.T, decl Declaration, tests []conformTest) {...

gen.go

Source:gen.go

...75	padded := make(map[interface{}]bool)76	detach := make(map[**prog.StructDesc]bool)77	var structs []*prog.KeyedStruct78	var rec func(t prog.Type)79	checkStruct := func(key prog.StructKey, descp **prog.StructDesc) bool {80		detach[descp] = true81		desc := *descp82		if padded[desc] {83			return false84		}85		padded[desc] = true86		for _, f := range desc.Fields {87			rec(f)88			if !f.Varlen() && f.Size() == sizeUnassigned {89				// An inner struct is not padded yet.90				// Leave this struct for next iteration.91				delete(padded, desc)92				return false93			}94		}95		if comp.used[key.Name] {96			structs = append(structs, &prog.KeyedStruct{97				Key:  key,98				Desc: desc,99			})100		}101		return true102	}103	rec = func(t0 prog.Type) {104		switch t := t0.(type) {105		case *prog.PtrType:106			rec(t.Type)107		case *prog.ArrayType:108			if padded[t] {109				return110			}111			rec(t.Type)112			if !t.Type.Varlen() && t.Type.Size() == sizeUnassigned {113				// An inner struct is not padded yet.114				// Leave this array for next iteration.115				return116			}117			padded[t] = true118			t.TypeSize = 0119			if t.Kind == prog.ArrayRangeLen && t.RangeBegin == t.RangeEnd && !t.Type.Varlen() {120				t.TypeSize = t.RangeBegin * t.Type.Size()121			}122		case *prog.StructType:123			if !checkStruct(t.Key, &t.StructDesc) {124				return125			}126			// Add paddings, calculate size, mark bitfields.127			varlen := false128			for _, f := range t.Fields {129				if f.Varlen() {130					varlen = true131				}132			}133			comp.markBitfields(t.Fields)134			packed, alignAttr := comp.parseStructAttrs(comp.structNodes[t.StructDesc])135			t.Fields = comp.addAlignment(t.Fields, varlen, packed, alignAttr)136			t.AlignAttr = alignAttr137			t.TypeSize = 0138			if !varlen {139				for _, f := range t.Fields {140					if !f.BitfieldMiddle() {141						t.TypeSize += f.Size()142					}143				}144			}145		case *prog.UnionType:146			if !checkStruct(t.Key, &t.StructDesc) {147				return148			}149			t.TypeSize = 0150			varlen := comp.parseUnionAttrs(comp.structNodes[t.StructDesc])151			if !varlen {152				for _, fld := range t.Fields {153					if t.TypeSize < fld.Size() {154						t.TypeSize = fld.Size()155					}156				}157			}158		}159	}160	// We have to do this in the loop until we pad nothing new...

checkStruct

Using AI Code Generation

1import (2func main() {3	c := compiler{}4	c.checkStruct()5}6import (7func main() {8	c := compiler{}9	c.checkStruct()10}11import (12func main() {13	c := compiler{}14	c.checkStruct()15}16import (17func main() {18	c := compiler{}19	c.checkStruct()20}21import (22func main() {23	c := compiler{}24	c.checkStruct()25}26import (27func main() {28	c := compiler{}29	c.checkStruct()30}31import (32func main() {33	c := compiler{}34	c.checkStruct()35}36import (37func main() {38	c := compiler{}39	c.checkStruct()40}41import (42func main() {43	c := compiler{}44	c.checkStruct()45}46import (47func main() {48	c := compiler{}49	c.checkStruct()50}51import (52func main() {53	c := compiler{}54	c.checkStruct()55}56import (57func main() {58	c := compiler{}59	c.checkStruct()60}61import (62func main() {63	c := compiler{}

checkStruct

Using AI Code Generation

1import "fmt"2type compiler struct {3}4func (c compiler) checkStruct() {5	fmt.Println("checkStruct method")6}7func main() {8	c := compiler{}9	c.checkStruct()10}11import "fmt"12type compiler struct {13}14func (c *compiler) checkStruct() {15	fmt.Println("checkStruct with pointer receiver method")16}17func main() {18	c := compiler{}19	c.checkStruct()20}

checkStruct

Using AI Code Generation

1import (2func main() {3	c.checkStruct()4}5import (6type compiler struct {7}8func (c *compiler) checkStruct() {9	fmt.Println("compiler class")10}

checkStruct

Using AI Code Generation

1import (2type compiler struct {3}4func (c compiler) checkStruct() {5    fmt.Println("Struct is checked for", c.language)6}7func main() {8    c := compiler{"Go"}9    c.checkStruct()10}

checkStruct

Using AI Code Generation

1import (2func main() {3    var m []int = []int{1, 2, 3}4    var n []string = []string{"a", "b", "c"}5    var o []bool = []bool{true, false, true}6    var p []float32 = []float32{10.5, 10.6, 10.7}7    var q []float64 = []float64{10.5, 10.6, 10.7}8    var r []int32 = []int32{1, 2, 3}9    var s []int64 = []int64{1, 2, 3}10    var t []uint32 = []uint32{1, 2, 3}11    var u []uint64 = []uint64{1, 2, 3}12    var v []uint = []uint{1, 2, 3}13    var w []rune = []rune{'a', 'b', 'c'}14    var x []byte = []byte{'a', 'b', 'c'}15    var y []interface{} = []interface{}{10, "hello", true}16    var z []interface{} = []interface{}{10, "hello", true, 10.5, 10.6, 10.7, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 'a', 'b', 'c', 'a', 'b', 'c'}17    var aa []interface{} = []interface{}{10, "hello", true, 10.5, 10.6, 10.7, 1, 2, 3,

checkStruct

Using AI Code Generation

1import "fmt"2func main() {3    s := struct {4    }{5    }6    c.checkStruct(s)7}8import "fmt"9func main() {10    s := struct {11    }{12    }13    checkStruct(s)14}15func checkStruct(s interface{}) {16    if _, ok := s.(struct {17    }); ok {18        fmt.Println("Struct type is valid")19    } else {20        fmt.Println("Struct type is not valid")21    }22}23import "fmt"24func main() {25    s := struct {26    }{27    }28    checkStruct(s)29}30func checkStruct(s interface{}) {31    if _, ok := s.(struct {32    }); ok {33        fmt.Println("Struct type is valid")34    } else {35        fmt.Println("Struct type is not valid")36    }37}38import "fmt"39func main() {40    s := struct {

checkStruct

Using AI Code Generation

1public class Main {2    public static void main(String[] args) {3        String file = "test.txt";4        Compiler compiler = new Compiler();5        compiler.checkStruct(file);6    }7}8import (9type Compiler struct {10}11func (c *Compiler) checkStruct(file string) {12    c.readCode(file)13    c.lexicalAnalyzer()14    c.syntaxAnalyzer()15    if c.err != "" {16        fmt.Println(c.err)17    } else {18        c.generateAssembly()19    }20}21func (c *Compiler) readCode(file string) {22    f, err := os.Open(file)23    if err != nil {24        fmt.Println(err)25    }26    defer f.Close()27    scanner := bufio.NewScanner(f)28    for scanner.Scan() {29        c.code += scanner.Text() + "30    }31}32func (c *Compiler) lexicalAnalyzer() {33    c.tokens = strings.Split(c.code, " ")34}35func (c *Compiler) syntaxAnalyzer() {36    if c.tokens[0] != "func" || c.tokens[1] != "main" {37    }38    if c.tokens[2] != "(" || c.tokens[3] != ")" {39    }40    if c.tokens[4] != "{" {41    }42    if c.tokens[len(c.tokens)-1] != "}" {

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