maride/php-parser
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

refactoring: update ast structure of "Class", "Interface" and "Trait" nodes

Browse Source
This commit is contained in:
Vadym Slizov
2020-12-28 10:10:15 +02:00
parent 2990f0cc2d
commit c29e8ec0e0
17 changed files with 1769 additions and 2107 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
pkg/ast/visitor/dumper.go
View File

@@ -286,8 +286,11 @@ func (v *Dumper) StmtClass(n *ast.StmtClass) {
v.dumpVertexList("Arguments", n.Arguments)
v.dumpTokenList("SeparatorTkns", n.SeparatorTkns)
v.dumpToken("CloseParenthesisTkn", n.CloseParenthesisTkn)
v.dumpToken("ExtendsTkn", n.ExtendsTkn)
v.dumpVertex("Extends", n.Extends)
v.dumpVertex("Implements", n.Implements)
v.dumpToken("ImplementsTkn", n.ImplementsTkn)
v.dumpVertexList("Implements", n.Implements)
v.dumpTokenList("ImplementsSeparatorTkns", n.ImplementsSeparatorTkns)
v.dumpToken("OpenCurlyBracketTkn", n.OpenCurlyBracketTkn)
v.dumpVertexList("Stmts", n.Stmts)
v.dumpToken("CloseCurlyBracketTkn", n.CloseCurlyBracketTkn)
@@ -311,31 +314,6 @@ func (v *Dumper) StmtClassConstList(n *ast.StmtClassConstList) {
v.print(v.indent, "},\n")
}
func (v *Dumper) StmtClassExtends(n *ast.StmtClassExtends) {
v.print(0, "&ast.StmtClassExtends{\n")
v.indent++
v.dumpPosition(n.Position)
v.dumpToken("ExtendTkn", n.ExtendTkn)
v.dumpVertex("ClassName", n.ClassName)
v.indent--
v.print(v.indent, "},\n")
}
func (v *Dumper) StmtClassImplements(n *ast.StmtClassImplements) {
v.print(0, "&ast.StmtClassImplements{\n")
v.indent++
v.dumpPosition(n.Position)
v.dumpToken("ImplementsTkn", n.ImplementsTkn)
v.dumpVertexList("InterfaceNames", n.InterfaceNames)
v.dumpTokenList("SeparatorTkns", n.SeparatorTkns)
v.indent--
v.print(v.indent, "},\n")
}
func (v *Dumper) StmtClassMethod(n *ast.StmtClassMethod) {
v.print(0, "&ast.StmtClassMethod{\n")
v.indent++
@@ -666,7 +644,9 @@ func (v *Dumper) StmtInterface(n *ast.StmtInterface) {
v.dumpPosition(n.Position)
v.dumpToken("InterfaceTkn", n.InterfaceTkn)
v.dumpVertex("InterfaceName", n.InterfaceName)
v.dumpVertex("Extends", n.Extends)
v.dumpToken("ExtendsTkn", n.ExtendsTkn)
v.dumpVertexList("Extends", n.Extends)
v.dumpTokenList("ExtendsSeparatorTkns", n.ExtendsSeparatorTkns)
v.dumpToken("OpenCurlyBracketTkn", n.OpenCurlyBracketTkn)
v.dumpVertexList("Stmts", n.Stmts)
v.dumpToken("CloseCurlyBracketTkn", n.CloseCurlyBracketTkn)
@@ -675,19 +655,6 @@ func (v *Dumper) StmtInterface(n *ast.StmtInterface) {
v.print(v.indent, "},\n")
}
func (v *Dumper) StmtInterfaceExtends(n *ast.StmtInterfaceExtends) {
v.print(0, "&ast.StmtInterfaceExtends{\n")
v.indent++
v.dumpPosition(n.Position)
v.dumpToken("ExtendsTkn", n.ExtendsTkn)
v.dumpVertexList("InterfaceNames", n.InterfaceNames)
v.dumpTokenList("SeparatorTkns", n.SeparatorTkns)
v.indent--
v.print(v.indent, "},\n")
}
func (v *Dumper) StmtLabel(n *ast.StmtLabel) {
v.print(0, "&ast.StmtLabel{\n")
v.indent++
@@ -849,8 +816,6 @@ func (v *Dumper) StmtTrait(n *ast.StmtTrait) {
v.dumpPosition(n.Position)
v.dumpToken("TraitTkn", n.TraitTkn)
v.dumpVertex("TraitName", n.TraitName)
v.dumpVertex("Extends", n.Extends)
v.dumpVertex("Implements", n.Implements)
v.dumpToken("OpenCurlyBracketTkn", n.OpenCurlyBracketTkn)
v.dumpVertexList("Stmts", n.Stmts)
v.dumpToken("CloseCurlyBracketTkn", n.CloseCurlyBracketTkn)

41
pkg/ast/visitor/formatter.go
View File

@@ -281,12 +281,14 @@ func (f *formatter) StmtClass(n *ast.StmtClass) {
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
if n.Extends != nil {
n.ExtendsTkn = f.newToken(token.T_EXTENDS, []byte("extends"))
n.Extends.Accept(f)
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
}
if n.Implements != nil {
n.Implements.Accept(f)
n.ImplementsTkn = f.newToken(token.T_IMPLEMENTS, []byte("implements"))
n.ImplementsSeparatorTkns = f.formatList(n.Implements, ',')
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
}
@@ -318,20 +320,6 @@ func (f *formatter) StmtClassConstList(n *ast.StmtClassConstList) {
n.SemiColonTkn = f.newSemicolonTkn()
}
func (f *formatter) StmtClassExtends(n *ast.StmtClassExtends) {
n.ExtendTkn = f.newToken(token.T_EXTENDS, []byte("extends"))
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
n.ClassName.Accept(f)
}
func (f *formatter) StmtClassImplements(n *ast.StmtClassImplements) {
n.ImplementsTkn = f.newToken(token.T_IMPLEMENTS, []byte("implements"))
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
n.SeparatorTkns = f.formatList(n.InterfaceNames, ',')
}
func (f *formatter) StmtClassMethod(n *ast.StmtClassMethod) {
for _, m := range n.Modifiers {
m.Accept(f)
@@ -677,7 +665,8 @@ func (f *formatter) StmtInterface(n *ast.StmtInterface) {
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
if n.Extends != nil {
n.Extends.Accept(f)
n.ExtendsTkn = f.newToken(token.T_EXTENDS, []byte("extends"))
n.ExtendsSeparatorTkns = f.formatList(n.Extends, ',')
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
}
@@ -695,16 +684,6 @@ func (f *formatter) StmtInterface(n *ast.StmtInterface) {
n.CloseCurlyBracketTkn = f.newToken('}', []byte("}"))
}
func (f *formatter) StmtInterfaceExtends(n *ast.StmtInterfaceExtends) {
n.ExtendsTkn = f.newToken(token.T_EXTENDS, []byte("extends"))
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
n.SeparatorTkns = nil
if len(n.InterfaceNames) > 0 {
n.SeparatorTkns = f.formatList(n.InterfaceNames, ',')
}
}
func (f *formatter) StmtLabel(n *ast.StmtLabel) {
n.LabelName.Accept(f)
n.ColonTkn = f.newToken(':', []byte(":"))
@@ -865,16 +844,6 @@ func (f *formatter) StmtTrait(n *ast.StmtTrait) {
n.TraitName.Accept(f)
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
if n.Extends != nil {
n.Extends.Accept(f)
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
}
if n.Implements != nil {
n.Implements.Accept(f)
f.addFreeFloating(token.T_WHITESPACE, []byte(" "))
}
n.OpenCurlyBracketTkn = f.newToken('{', []byte("{"))
if len(n.Stmts) > 0 {

209
pkg/ast/visitor/formatter_test.go
View File

@@ -519,12 +519,10 @@ func TestFormatter_Class_Extends(t *testing.T) {
ClassName: &ast.Identifier{
Value: []byte("foo"),
},
Extends: &ast.StmtClassExtends{
ClassName: &ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
Extends: &ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
},
},
@@ -556,13 +554,11 @@ func TestFormatter_Class_Implements(t *testing.T) {
ClassName: &ast.Identifier{
Value: []byte("foo"),
},
Implements: &ast.StmtClassImplements{
InterfaceNames: []ast.Vertex{
&ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
Implements: []ast.Vertex{
&ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
},
},
@@ -669,69 +665,6 @@ func TestFormatter_StmtClassConstList_Modifier(t *testing.T) {
}
}
func TestFormatter_ClassExtends(t *testing.T) {
o := bytes.NewBufferString("")
n := &ast.StmtClassExtends{
ClassName: &ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("foo"),
},
},
},
}
f := visitor.NewFormatter().WithState(visitor.FormatterStatePHP).WithIndent(1)
n.Accept(f)
p := visitor.NewPrinter(o).WithState(visitor.PrinterStatePHP)
n.Accept(p)
expected := `extends foo`
actual := o.String()
if expected != actual {
t.Errorf("\nexpected: %s\ngot: %s\n", expected, actual)
}
}
func TestFormatter_ClassImplements(t *testing.T) {
o := bytes.NewBufferString("")
n := &ast.StmtClassImplements{
InterfaceNames: []ast.Vertex{
&ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("foo"),
},
},
},
&ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
},
},
},
}
f := visitor.NewFormatter().WithState(visitor.FormatterStatePHP).WithIndent(1)
n.Accept(f)
p := visitor.NewPrinter(o).WithState(visitor.PrinterStatePHP)
n.Accept(p)
expected := `implements foo, bar`
actual := o.String()
if expected != actual {
t.Errorf("\nexpected: %s\ngot: %s\n", expected, actual)
}
}
func TestFormatter_ClassMethod(t *testing.T) {
o := bytes.NewBufferString("")
@@ -1881,13 +1814,11 @@ func TestFormatter_StmtInterface_Extends(t *testing.T) {
InterfaceName: &ast.Identifier{
Value: []byte("foo"),
},
Extends: &ast.StmtInterfaceExtends{
InterfaceNames: []ast.Vertex{
&ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
Extends: []ast.Vertex{
&ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
},
},
@@ -1913,42 +1844,6 @@ func TestFormatter_StmtInterface_Extends(t *testing.T) {
}
}
func TestFormatter_StmtInterfaceExtends(t *testing.T) {
o := bytes.NewBufferString("")
n := &ast.StmtInterfaceExtends{
InterfaceNames: []ast.Vertex{
&ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("foo"),
},
},
},
&ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
},
},
},
}
f := visitor.NewFormatter().WithState(visitor.FormatterStatePHP).WithIndent(1)
n.Accept(f)
p := visitor.NewPrinter(o).WithState(visitor.PrinterStatePHP)
n.Accept(p)
expected := `extends foo, bar`
actual := o.String()
if expected != actual {
t.Errorf("\nexpected: %s\ngot: %s\n", expected, actual)
}
}
func TestFormatter_StmtLabel(t *testing.T) {
o := bytes.NewBufferString("")
@@ -2465,82 +2360,6 @@ func TestFormatter_StmtTrait(t *testing.T) {
}
}
func TestFormatter_StmtTrait_Extends(t *testing.T) {
o := bytes.NewBufferString("")
n := &ast.StmtTrait{
TraitName: &ast.Identifier{
Value: []byte("foo"),
},
Extends: &ast.StmtClassExtends{
ClassName: &ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
},
},
},
Stmts: []ast.Vertex{
&ast.StmtNop{},
},
}
f := visitor.NewFormatter().WithState(visitor.FormatterStatePHP).WithIndent(1)
n.Accept(f)
p := visitor.NewPrinter(o).WithState(visitor.PrinterStatePHP)
n.Accept(p)
expected := `trait foo extends bar {
;
}`
actual := o.String()
if expected != actual {
t.Errorf("\nexpected: %s\ngot: %s\n", expected, actual)
}
}
func TestFormatter_StmtTrait_Implements(t *testing.T) {
o := bytes.NewBufferString("")
n := &ast.StmtTrait{
TraitName: &ast.Identifier{
Value: []byte("foo"),
},
Implements: &ast.StmtClassImplements{
InterfaceNames: []ast.Vertex{
&ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{
Value: []byte("bar"),
},
},
},
},
},
Stmts: []ast.Vertex{
&ast.StmtNop{},
},
}
f := visitor.NewFormatter().WithState(visitor.FormatterStatePHP).WithIndent(1)
n.Accept(f)
p := visitor.NewPrinter(o).WithState(visitor.PrinterStatePHP)
n.Accept(p)
expected := `trait foo implements bar {
;
}`
actual := o.String()
if expected != actual {
t.Errorf("\nexpected: %s\ngot: %s\n", expected, actual)
}
}
func TestFormatter_StmtTraitMethodRef(t *testing.T) {
o := bytes.NewBufferString("")

6
pkg/ast/visitor/namespace_resolver.go
View File

@@ -73,11 +73,11 @@ func (nsr *NamespaceResolver) StmtGroupUse(n *ast.StmtGroupUse) {
func (nsr *NamespaceResolver) StmtClass(n *ast.StmtClass) {
if n.Extends != nil {
nsr.ResolveName(n.Extends.(*ast.StmtClassExtends).ClassName, "")
nsr.ResolveName(n.Extends, "")
}
if n.Implements != nil {
for _, interfaceName := range n.Implements.(*ast.StmtClassImplements).InterfaceNames {
for _, interfaceName := range n.Implements {
nsr.ResolveName(interfaceName, "")
}
}
@@ -89,7 +89,7 @@ func (nsr *NamespaceResolver) StmtClass(n *ast.StmtClass) {
func (nsr *NamespaceResolver) StmtInterface(n *ast.StmtInterface) {
if n.Extends != nil {
for _, interfaceName := range n.Extends.(*ast.StmtInterfaceExtends).InterfaceNames {
for _, interfaceName := range n.Extends {
nsr.ResolveName(interfaceName, "")
}
}

18
pkg/ast/visitor/namespace_resolver_test.go
View File

@@ -401,13 +401,9 @@ func TestResolveClassName(t *testing.T) {
class := &ast.StmtClass{
ClassName: &ast.Identifier{Value: []byte("A")},
Extends: &ast.StmtClassExtends{
ClassName: nameAB,
},
Implements: &ast.StmtClassImplements{
InterfaceNames: []ast.Vertex{
nameBC,
},
Extends: nameAB,
Implements: []ast.Vertex{
nameBC,
},
}
@@ -436,11 +432,9 @@ func TestResolveInterfaceName(t *testing.T) {
interfaceNode := &ast.StmtInterface{
InterfaceName: &ast.Identifier{Value: []byte("A")},
Extends: &ast.StmtInterfaceExtends{
InterfaceNames: []ast.Vertex{
nameAB,
nameBC,
},
Extends: []ast.Vertex{
nameAB,
nameBC,
},
}

12
pkg/ast/visitor/null.go
View File

@@ -62,14 +62,6 @@ func (v *Null) StmtClassConstList(_ *ast.StmtClassConstList) {
// do nothing
}
func (v *Null) StmtClassExtends(_ *ast.StmtClassExtends) {
// do nothing
}
func (v *Null) StmtClassImplements(_ *ast.StmtClassImplements) {
// do nothing
}
func (v *Null) StmtClassMethod(_ *ast.StmtClassMethod) {
// do nothing
}
@@ -154,10 +146,6 @@ func (v *Null) StmtInterface(_ *ast.StmtInterface) {
// do nothing
}
func (v *Null) StmtInterfaceExtends(_ *ast.StmtInterfaceExtends) {
// do nothing
}
func (v *Null) StmtLabel(_ *ast.StmtLabel) {
// do nothing
}

24
pkg/ast/visitor/printer.go
View File

@@ -194,8 +194,10 @@ func (p *printer) StmtClass(n *ast.StmtClass) {
p.printToken(n.OpenParenthesisTkn, p.ifNodeList(n.Arguments, []byte("(")))
p.printSeparatedList(n.Arguments, n.SeparatorTkns, []byte(","))
p.printToken(n.CloseParenthesisTkn, p.ifNodeList(n.Arguments, []byte(")")))
p.printToken(n.ExtendsTkn, p.ifNode(n.Extends, []byte("extends")))
p.printNode(n.Extends)
p.printNode(n.Implements)
p.printToken(n.ImplementsTkn, p.ifNodeList(n.Implements, []byte("implements")))
p.printSeparatedList(n.Implements, n.ImplementsSeparatorTkns, []byte(","))
p.printToken(n.OpenCurlyBracketTkn, []byte("{"))
p.printList(n.Stmts)
p.printToken(n.CloseCurlyBracketTkn, []byte("}"))
@@ -208,16 +210,6 @@ func (p *printer) StmtClassConstList(n *ast.StmtClassConstList) {
p.printToken(n.SemiColonTkn, []byte(";"))
}
func (p *printer) StmtClassExtends(n *ast.StmtClassExtends) {
p.printToken(n.ExtendTkn, []byte("extends"))
p.printNode(n.ClassName)
}
func (p *printer) StmtClassImplements(n *ast.StmtClassImplements) {
p.printToken(n.ImplementsTkn, []byte("implements"))
p.printSeparatedList(n.InterfaceNames, n.SeparatorTkns, []byte(","))
}
func (p *printer) StmtClassMethod(n *ast.StmtClassMethod) {
p.printList(n.Modifiers)
p.printToken(n.FunctionTkn, []byte("function"))
@@ -436,17 +428,13 @@ func (p *printer) StmtInlineHtml(n *ast.StmtInlineHtml) {
func (p *printer) StmtInterface(n *ast.StmtInterface) {
p.printToken(n.InterfaceTkn, []byte("interface"))
p.printNode(n.InterfaceName)
p.printNode(n.Extends)
p.printToken(n.ExtendsTkn, p.ifNodeList(n.Extends, []byte("extends")))
p.printSeparatedList(n.Extends, n.ExtendsSeparatorTkns, []byte(","))
p.printToken(n.OpenCurlyBracketTkn, []byte("{"))
p.printList(n.Stmts)
p.printToken(n.CloseCurlyBracketTkn, []byte("}"))
}
func (p *printer) StmtInterfaceExtends(n *ast.StmtInterfaceExtends) {
p.printToken(n.ExtendsTkn, []byte("extends"))
p.printSeparatedList(n.InterfaceNames, n.SeparatorTkns, []byte(","))
}
func (p *printer) StmtLabel(n *ast.StmtLabel) {
p.printNode(n.LabelName)
p.printToken(n.ColonTkn, []byte(":"))
@@ -525,8 +513,6 @@ func (p *printer) StmtThrow(n *ast.StmtThrow) {
func (p *printer) StmtTrait(n *ast.StmtTrait) {
p.printToken(n.TraitTkn, []byte("trait"))
p.printNode(n.TraitName)
p.printNode(n.Extends)
p.printNode(n.Implements)
p.printToken(n.OpenCurlyBracketTkn, []byte("{"))
p.printList(n.Stmts)
p.printToken(n.CloseCurlyBracketTkn, []byte("}"))

40
pkg/ast/visitor/printer_test.go
View File

@@ -29,11 +29,9 @@ func TestPrinterPrintFile(t *testing.T) {
&ast.NameNamePart{Value: []byte("Bar")},
},
},
Extends: &ast.StmtClassExtends{
ClassName: &ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{Value: []byte("Baz")},
},
Extends: &ast.NameName{
Parts: []ast.Vertex{
&ast.NameNamePart{Value: []byte("Baz")},
},
},
Stmts: []ast.Vertex{
@@ -3255,14 +3253,10 @@ func TestPrinterPrintStmtClass(t *testing.T) {
n := &ast.StmtClass{
Modifiers: []ast.Vertex{&ast.Identifier{Value: []byte("abstract")}},
ClassName: &ast.Identifier{Value: []byte("Foo")},
Extends: &ast.StmtClassExtends{
ClassName: &ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Bar")}}},
},
Implements: &ast.StmtClassImplements{
InterfaceNames: []ast.Vertex{
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Baz")}}},
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Quuz")}}},
},
Extends: &ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Bar")}}},
Implements: []ast.Vertex{
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Baz")}}},
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Quuz")}}},
},
Stmts: []ast.Vertex{
&ast.StmtClassConstList{
@@ -3307,14 +3301,10 @@ func TestPrinterPrintStmtAnonymousClass(t *testing.T) {
},
},
},
Extends: &ast.StmtClassExtends{
ClassName: &ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Bar")}}},
},
Implements: &ast.StmtClassImplements{
InterfaceNames: []ast.Vertex{
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Baz")}}},
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Quuz")}}},
},
Extends: &ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Bar")}}},
Implements: []ast.Vertex{
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Baz")}}},
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Quuz")}}},
},
Stmts: []ast.Vertex{
&ast.StmtClassConstList{
@@ -4122,11 +4112,9 @@ func TestPrinterPrintInterface(t *testing.T) {
p := visitor.NewPrinter(o).WithState(visitor.PrinterStatePHP)
n := &ast.StmtInterface{
InterfaceName: &ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Foo")}}},
Extends: &ast.StmtInterfaceExtends{
InterfaceNames: []ast.Vertex{
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Bar")}}},
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Baz")}}},
},
Extends: []ast.Vertex{
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Bar")}}},
&ast.NameName{Parts: []ast.Vertex{&ast.NameNamePart{Value: []byte("Baz")}}},
},
Stmts: []ast.Vertex{
&ast.StmtClassMethod{