diff options
Diffstat (limited to 'src/cmd/gofix/reflect.go')
-rw-r--r-- | src/cmd/gofix/reflect.go | 861 |
1 files changed, 0 insertions, 861 deletions
diff --git a/src/cmd/gofix/reflect.go b/src/cmd/gofix/reflect.go deleted file mode 100644 index 3c8becaef..000000000 --- a/src/cmd/gofix/reflect.go +++ /dev/null @@ -1,861 +0,0 @@ -// Copyright 2011 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// TODO(rsc): Once there is better support for writing -// multi-package commands, this should really be in -// its own package, and then we can drop all the "reflect" -// prefixes on the global variables and functions. - -package main - -import ( - "go/ast" - "go/token" - "strings" -) - -var reflectFix = fix{ - "reflect", - reflectFn, - `Adapt code to new reflect API. - -http://codereview.appspot.com/4281055 -http://codereview.appspot.com/4433066 -`, -} - -func init() { - register(reflectFix) -} - -// The reflect API change dropped the concrete types *reflect.ArrayType etc. -// Any type assertions prior to method calls can be deleted: -// x.(*reflect.ArrayType).Len() -> x.Len() -// -// Any type checks can be replaced by assignment and check of Kind: -// x, y := z.(*reflect.ArrayType) -// -> -// x := z -// y := x.Kind() == reflect.Array -// -// If z is an ordinary variable name and x is not subsequently assigned to, -// references to x can be replaced by z and the assignment deleted. -// We only bother if x and z are the same name. -// If y is not subsequently assigned to and neither is x, references to -// y can be replaced by its expression. We only bother when there is -// just one use or when the use appears in an if clause. -// -// Not all type checks result in a single Kind check. The rewrite of the type check for -// reflect.ArrayOrSliceType checks x.Kind() against reflect.Array and reflect.Slice. -// The rewrite for *reflect.IntType checks againt Int, Int8, Int16, Int32, Int64. -// The rewrite for *reflect.UintType adds Uintptr. -// -// A type switch turns into an assignment and a switch on Kind: -// switch x := y.(type) { -// case reflect.ArrayOrSliceType: -// ... -// case *reflect.ChanType: -// ... -// case *reflect.IntType: -// ... -// } -// -> -// switch x := y; x.Kind() { -// case reflect.Array, reflect.Slice: -// ... -// case reflect.Chan: -// ... -// case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: -// ... -// } -// -// The same simplification applies: we drop x := x if x is not assigned -// to in the switch cases. -// -// Because the type check assignment includes a type assertion in its -// syntax and the rewrite traversal is bottom up, we must do a pass to -// rewrite the type check assignments and then a separate pass to -// rewrite the type assertions. -// -// The same process applies to the API changes for reflect.Value. -// -// For both cases, but especially Value, the code needs to be aware -// of the type of a receiver when rewriting a method call. For example, -// x.(*reflect.ArrayValue).Elem(i) becomes x.Index(i) while -// x.(*reflect.MapValue).Elem(v) becomes x.MapIndex(v). -// In general, reflectFn needs to know the type of the receiver expression. -// In most cases (and in all the cases in the Go source tree), the toy -// type checker in typecheck.go provides enough information for gofix -// to make the rewrite. If gofix misses a rewrite, the code that is left over -// will not compile, so it will be noticed immediately. - -func reflectFn(f *ast.File) bool { - if !imports(f, "reflect") { - return false - } - - fixed := false - - // Rewrite names in method calls. - // Needs basic type information (see above). - typeof := typecheck(reflectTypeConfig, f) - walk(f, func(n interface{}) { - switch n := n.(type) { - case *ast.SelectorExpr: - typ := typeof[n.X] - if m := reflectRewriteMethod[typ]; m != nil { - if replace := m[n.Sel.Name]; replace != "" { - n.Sel.Name = replace - fixed = true - return - } - } - - // For all reflect Values, replace SetValue with Set. - if isReflectValue[typ] && n.Sel.Name == "SetValue" { - n.Sel.Name = "Set" - fixed = true - return - } - - // Replace reflect.MakeZero with reflect.Zero. - if isPkgDot(n, "reflect", "MakeZero") { - n.Sel.Name = "Zero" - fixed = true - return - } - } - }) - - // Replace PtrValue's PointTo(x) with Set(x.Addr()). - walk(f, func(n interface{}) { - call, ok := n.(*ast.CallExpr) - if !ok || len(call.Args) != 1 { - return - } - sel, ok := call.Fun.(*ast.SelectorExpr) - if !ok || sel.Sel.Name != "PointTo" { - return - } - typ := typeof[sel.X] - if typ != "*reflect.PtrValue" { - return - } - sel.Sel.Name = "Set" - if !isTopName(call.Args[0], "nil") { - call.Args[0] = &ast.SelectorExpr{ - X: call.Args[0], - Sel: ast.NewIdent("Addr()"), - } - } - fixed = true - }) - - // Fix type switches. - walk(f, func(n interface{}) { - if reflectFixSwitch(n) { - fixed = true - } - }) - - // Fix type assertion checks (multiple assignment statements). - // Have to work on the statement context (statement list or if statement) - // so that we can insert an extra statement occasionally. - // Ignoring for and switch because they don't come up in - // typical code. - walk(f, func(n interface{}) { - switch n := n.(type) { - case *[]ast.Stmt: - // v is the replacement statement list. - var v []ast.Stmt - insert := func(x ast.Stmt) { - v = append(v, x) - } - for i, x := range *n { - // Tentatively append to v; if we rewrite x - // we'll have to update the entry, so remember - // the index. - j := len(v) - v = append(v, x) - if reflectFixTypecheck(&x, insert, (*n)[i+1:]) { - // reflectFixTypecheck may have overwritten x. - // Update the entry we appended just before the call. - v[j] = x - fixed = true - } - } - *n = v - case *ast.IfStmt: - x := &ast.ExprStmt{n.Cond} - if reflectFixTypecheck(&n.Init, nil, []ast.Stmt{x, n.Body, n.Else}) { - n.Cond = x.X - fixed = true - } - } - }) - - // Warn about any typecheck statements that we missed. - walk(f, reflectWarnTypecheckStmt) - - // Now that those are gone, fix remaining type assertions. - // Delayed because the type checks have - // type assertions as part of their syntax. - walk(f, func(n interface{}) { - if reflectFixAssert(n) { - fixed = true - } - }) - - // Now that the type assertions are gone, rewrite remaining - // references to specific reflect types to use the general ones. - walk(f, func(n interface{}) { - ptr, ok := n.(*ast.Expr) - if !ok { - return - } - nn := *ptr - typ := reflectType(nn) - if typ == "" { - return - } - if strings.HasSuffix(typ, "Type") { - *ptr = newPkgDot(nn.Pos(), "reflect", "Type") - } else { - *ptr = newPkgDot(nn.Pos(), "reflect", "Value") - } - fixed = true - }) - - // Rewrite v.Set(nil) to v.Set(reflect.MakeZero(v.Type())). - walk(f, func(n interface{}) { - call, ok := n.(*ast.CallExpr) - if !ok || len(call.Args) != 1 || !isTopName(call.Args[0], "nil") { - return - } - sel, ok := call.Fun.(*ast.SelectorExpr) - if !ok || !isReflectValue[typeof[sel.X]] || sel.Sel.Name != "Set" { - return - } - call.Args[0] = &ast.CallExpr{ - Fun: newPkgDot(call.Args[0].Pos(), "reflect", "Zero"), - Args: []ast.Expr{ - &ast.CallExpr{ - Fun: &ast.SelectorExpr{ - X: sel.X, - Sel: &ast.Ident{Name: "Type"}, - }, - }, - }, - } - fixed = true - }) - - // Rewrite v != nil to v.IsValid(). - // Rewrite nil used as reflect.Value (in function argument or return) to reflect.Value{}. - walk(f, func(n interface{}) { - ptr, ok := n.(*ast.Expr) - if !ok { - return - } - if isTopName(*ptr, "nil") && isReflectValue[typeof[*ptr]] { - *ptr = ast.NewIdent("reflect.Value{}") - fixed = true - return - } - nn, ok := (*ptr).(*ast.BinaryExpr) - if !ok || (nn.Op != token.EQL && nn.Op != token.NEQ) || !isTopName(nn.Y, "nil") || !isReflectValue[typeof[nn.X]] { - return - } - var call ast.Expr = &ast.CallExpr{ - Fun: &ast.SelectorExpr{ - X: nn.X, - Sel: &ast.Ident{Name: "IsValid"}, - }, - } - if nn.Op == token.EQL { - call = &ast.UnaryExpr{Op: token.NOT, X: call} - } - *ptr = call - fixed = true - }) - - // Rewrite - // reflect.Typeof -> reflect.TypeOf, - walk(f, func(n interface{}) { - sel, ok := n.(*ast.SelectorExpr) - if !ok { - return - } - if isTopName(sel.X, "reflect") && sel.Sel.Name == "Typeof" { - sel.Sel.Name = "TypeOf" - fixed = true - } - if isTopName(sel.X, "reflect") && sel.Sel.Name == "NewValue" { - sel.Sel.Name = "ValueOf" - fixed = true - } - }) - - return fixed -} - -// reflectFixSwitch rewrites *n (if n is an *ast.Stmt) corresponding -// to a type switch. -func reflectFixSwitch(n interface{}) bool { - ptr, ok := n.(*ast.Stmt) - if !ok { - return false - } - n = *ptr - - ts, ok := n.(*ast.TypeSwitchStmt) - if !ok { - return false - } - - // Are any switch cases referring to reflect types? - // (That is, is this an old reflect type switch?) - for _, cas := range ts.Body.List { - for _, typ := range cas.(*ast.CaseClause).List { - if reflectType(typ) != "" { - goto haveReflect - } - } - } - return false - -haveReflect: - // Now we know it's an old reflect type switch. Prepare the new version, - // but don't replace or edit the original until we're sure of success. - - // Figure out the initializer statement, if any, and the receiver for the Kind call. - var init ast.Stmt - var rcvr ast.Expr - - init = ts.Init - switch n := ts.Assign.(type) { - default: - warn(ts.Pos(), "unexpected form in type switch") - return false - - case *ast.AssignStmt: - as := n - ta := as.Rhs[0].(*ast.TypeAssertExpr) - x := isIdent(as.Lhs[0]) - z := isIdent(ta.X) - - if isBlank(x) || x != nil && z != nil && x.Name == z.Name && !assignsTo(x, ts.Body.List) { - // Can drop the variable creation. - rcvr = ta.X - } else { - // Need to use initialization statement. - if init != nil { - warn(ts.Pos(), "cannot rewrite reflect type switch with initializing statement") - return false - } - init = &ast.AssignStmt{ - Lhs: []ast.Expr{as.Lhs[0]}, - TokPos: as.TokPos, - Tok: token.DEFINE, - Rhs: []ast.Expr{ta.X}, - } - rcvr = as.Lhs[0] - } - - case *ast.ExprStmt: - rcvr = n.X.(*ast.TypeAssertExpr).X - } - - // Prepare rewritten type switch (see large comment above for form). - sw := &ast.SwitchStmt{ - Switch: ts.Switch, - Init: init, - Tag: &ast.CallExpr{ - Fun: &ast.SelectorExpr{ - X: rcvr, - Sel: &ast.Ident{ - NamePos: rcvr.End(), - Name: "Kind", - Obj: nil, - }, - }, - Lparen: rcvr.End(), - Rparen: rcvr.End(), - }, - Body: &ast.BlockStmt{ - Lbrace: ts.Body.Lbrace, - List: nil, // to be filled in - Rbrace: ts.Body.Rbrace, - }, - } - - // Translate cases. - for _, tcas := range ts.Body.List { - tcas := tcas.(*ast.CaseClause) - cas := &ast.CaseClause{ - Case: tcas.Case, - Colon: tcas.Colon, - Body: tcas.Body, - } - for _, t := range tcas.List { - if isTopName(t, "nil") { - cas.List = append(cas.List, newPkgDot(t.Pos(), "reflect", "Invalid")) - continue - } - - typ := reflectType(t) - if typ == "" { - warn(t.Pos(), "cannot rewrite reflect type switch case with non-reflect type %s", gofmt(t)) - cas.List = append(cas.List, t) - continue - } - - for _, k := range reflectKind[typ] { - cas.List = append(cas.List, newPkgDot(t.Pos(), "reflect", k)) - } - } - sw.Body.List = append(sw.Body.List, cas) - } - - // Everything worked. Rewrite AST. - *ptr = sw - return true -} - -// Rewrite x, y = z.(T) into -// x = z -// y = x.Kind() == K -// as described in the long comment above. -// -// If insert != nil, it can be called to insert a statement after *ptr in its block. -// If insert == nil, insertion is not possible. -// At most one call to insert is allowed. -// -// Scope gives the statements for which a declaration -// in *ptr would be in scope. -// -// The result is true of the statement was rewritten. -// -func reflectFixTypecheck(ptr *ast.Stmt, insert func(ast.Stmt), scope []ast.Stmt) bool { - st := *ptr - as, ok := st.(*ast.AssignStmt) - if !ok || len(as.Lhs) != 2 || len(as.Rhs) != 1 { - return false - } - - ta, ok := as.Rhs[0].(*ast.TypeAssertExpr) - if !ok { - return false - } - typ := reflectType(ta.Type) - if typ == "" { - return false - } - - // Have x, y := z.(t). - x := isIdent(as.Lhs[0]) - y := isIdent(as.Lhs[1]) - z := isIdent(ta.X) - - // First step is x := z, unless it's x := x and the resulting x is never reassigned. - // rcvr is the x in x.Kind(). - var rcvr ast.Expr - if isBlank(x) || - as.Tok == token.DEFINE && x != nil && z != nil && x.Name == z.Name && !assignsTo(x, scope) { - // Can drop the statement. - // If we need to insert a statement later, now we have a slot. - *ptr = &ast.EmptyStmt{} - insert = func(x ast.Stmt) { *ptr = x } - rcvr = ta.X - } else { - *ptr = &ast.AssignStmt{ - Lhs: []ast.Expr{as.Lhs[0]}, - TokPos: as.TokPos, - Tok: as.Tok, - Rhs: []ast.Expr{ta.X}, - } - rcvr = as.Lhs[0] - } - - // Prepare x.Kind() == T expression appropriate to t. - // If x is not a simple identifier, warn that we might be - // reevaluating x. - if x == nil { - warn(as.Pos(), "rewrite reevaluates expr with possible side effects: %s", gofmt(as.Lhs[0])) - } - yExpr, yNotExpr := reflectKindEq(rcvr, reflectKind[typ]) - - // Second step is y := x.Kind() == T, unless it's only used once - // or we have no way to insert that statement. - var yStmt *ast.AssignStmt - if as.Tok == token.DEFINE && countUses(y, scope) <= 1 || insert == nil { - // Can drop the statement and use the expression directly. - rewriteUses(y, - func(token.Pos) ast.Expr { return yExpr }, - func(token.Pos) ast.Expr { return yNotExpr }, - scope) - } else { - yStmt = &ast.AssignStmt{ - Lhs: []ast.Expr{as.Lhs[1]}, - TokPos: as.End(), - Tok: as.Tok, - Rhs: []ast.Expr{yExpr}, - } - insert(yStmt) - } - return true -} - -// reflectKindEq returns the expression z.Kind() == kinds[0] || z.Kind() == kinds[1] || ... -// and its negation. -// The qualifier "reflect." is inserted before each kinds[i] expression. -func reflectKindEq(z ast.Expr, kinds []string) (ast.Expr, ast.Expr) { - n := len(kinds) - if n == 1 { - y := &ast.BinaryExpr{ - X: &ast.CallExpr{ - Fun: &ast.SelectorExpr{ - X: z, - Sel: ast.NewIdent("Kind"), - }, - }, - Op: token.EQL, - Y: newPkgDot(token.NoPos, "reflect", kinds[0]), - } - ynot := &ast.BinaryExpr{ - X: &ast.CallExpr{ - Fun: &ast.SelectorExpr{ - X: z, - Sel: ast.NewIdent("Kind"), - }, - }, - Op: token.NEQ, - Y: newPkgDot(token.NoPos, "reflect", kinds[0]), - } - return y, ynot - } - - x, xnot := reflectKindEq(z, kinds[0:n-1]) - y, ynot := reflectKindEq(z, kinds[n-1:]) - - or := &ast.BinaryExpr{ - X: x, - Op: token.LOR, - Y: y, - } - andnot := &ast.BinaryExpr{ - X: xnot, - Op: token.LAND, - Y: ynot, - } - return or, andnot -} - -// if x represents a known old reflect type/value like *reflect.PtrType or reflect.ArrayOrSliceValue, -// reflectType returns the string form of that type. -func reflectType(x ast.Expr) string { - ptr, ok := x.(*ast.StarExpr) - if ok { - x = ptr.X - } - - sel, ok := x.(*ast.SelectorExpr) - if !ok || !isName(sel.X, "reflect") { - return "" - } - - var s = "reflect." - if ptr != nil { - s = "*reflect." - } - s += sel.Sel.Name - - if reflectKind[s] != nil { - return s - } - return "" -} - -// reflectWarnTypecheckStmt warns about statements -// of the form x, y = z.(T) for any old reflect type T. -// The last pass should have gotten them all, and if it didn't, -// the next pass is going to turn them into x, y = z. -func reflectWarnTypecheckStmt(n interface{}) { - as, ok := n.(*ast.AssignStmt) - if !ok || len(as.Lhs) != 2 || len(as.Rhs) != 1 { - return - } - ta, ok := as.Rhs[0].(*ast.TypeAssertExpr) - if !ok || reflectType(ta.Type) == "" { - return - } - warn(n.(ast.Node).Pos(), "unfixed reflect type check") -} - -// reflectFixAssert rewrites x.(T) to x for any old reflect type T. -func reflectFixAssert(n interface{}) bool { - ptr, ok := n.(*ast.Expr) - if ok { - ta, ok := (*ptr).(*ast.TypeAssertExpr) - if ok && reflectType(ta.Type) != "" { - *ptr = ta.X - return true - } - } - return false -} - -// Tables describing the transformations. - -// Description of old reflect API for partial type checking. -// We pretend the Elem method is on Type and Value instead -// of enumerating all the types it is actually on. -// Also, we pretend that ArrayType etc embeds Type for the -// purposes of describing the API. (In fact they embed commonType, -// which implements Type.) -var reflectTypeConfig = &TypeConfig{ - Type: map[string]*Type{ - "reflect.ArrayOrSliceType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.ArrayOrSliceValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.ArrayType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.ArrayValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.BoolType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.BoolValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.ChanType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.ChanValue": &Type{ - Method: map[string]string{ - "Recv": "func() (reflect.Value, bool)", - "TryRecv": "func() (reflect.Value, bool)", - }, - Embed: []string{"reflect.Value"}, - }, - "reflect.ComplexType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.ComplexValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.FloatType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.FloatValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.FuncType": &Type{ - Method: map[string]string{ - "In": "func(int) reflect.Type", - "Out": "func(int) reflect.Type", - }, - Embed: []string{"reflect.Type"}, - }, - "reflect.FuncValue": &Type{ - Method: map[string]string{ - "Call": "func([]reflect.Value) []reflect.Value", - }, - }, - "reflect.IntType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.IntValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.InterfaceType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.InterfaceValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.MapType": &Type{ - Method: map[string]string{ - "Key": "func() reflect.Type", - }, - Embed: []string{"reflect.Type"}, - }, - "reflect.MapValue": &Type{ - Method: map[string]string{ - "Keys": "func() []reflect.Value", - }, - Embed: []string{"reflect.Value"}, - }, - "reflect.Method": &Type{ - Field: map[string]string{ - "Type": "*reflect.FuncType", - "Func": "*reflect.FuncValue", - }, - }, - "reflect.PtrType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.PtrValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.SliceType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.SliceValue": &Type{ - Method: map[string]string{ - "Slice": "func(int, int) *reflect.SliceValue", - }, - Embed: []string{"reflect.Value"}, - }, - "reflect.StringType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.StringValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.StructField": &Type{ - Field: map[string]string{ - "Type": "reflect.Type", - }, - }, - "reflect.StructType": &Type{ - Method: map[string]string{ - "Field": "func() reflect.StructField", - "FieldByIndex": "func() reflect.StructField", - "FieldByName": "func() reflect.StructField,bool", - "FieldByNameFunc": "func() reflect.StructField,bool", - }, - Embed: []string{"reflect.Type"}, - }, - "reflect.StructValue": &Type{ - Method: map[string]string{ - "Field": "func() reflect.Value", - "FieldByIndex": "func() reflect.Value", - "FieldByName": "func() reflect.Value", - "FieldByNameFunc": "func() reflect.Value", - }, - Embed: []string{"reflect.Value"}, - }, - "reflect.Type": &Type{ - Method: map[string]string{ - "Elem": "func() reflect.Type", - "Method": "func() reflect.Method", - }, - }, - "reflect.UintType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.UintValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.UnsafePointerType": &Type{Embed: []string{"reflect.Type"}}, - "reflect.UnsafePointerValue": &Type{Embed: []string{"reflect.Value"}}, - "reflect.Value": &Type{ - Method: map[string]string{ - "Addr": "func() *reflect.PtrValue", - "Elem": "func() reflect.Value", - "Method": "func() *reflect.FuncValue", - "SetValue": "func(reflect.Value)", - }, - }, - }, - Func: map[string]string{ - "reflect.Append": "*reflect.SliceValue", - "reflect.AppendSlice": "*reflect.SliceValue", - "reflect.Indirect": "reflect.Value", - "reflect.MakeSlice": "*reflect.SliceValue", - "reflect.MakeChan": "*reflect.ChanValue", - "reflect.MakeMap": "*reflect.MapValue", - "reflect.MakeZero": "reflect.Value", - "reflect.NewValue": "reflect.Value", - "reflect.PtrTo": "*reflect.PtrType", - "reflect.Typeof": "reflect.Type", - }, -} - -var reflectRewriteMethod = map[string]map[string]string{ - // The type API didn't change much. - "*reflect.ChanType": {"Dir": "ChanDir"}, - "*reflect.FuncType": {"DotDotDot": "IsVariadic"}, - - // The value API has longer names to disambiguate - // methods with different signatures. - "reflect.ArrayOrSliceValue": { // interface, not pointer - "Elem": "Index", - }, - "*reflect.ArrayValue": { - "Elem": "Index", - }, - "*reflect.BoolValue": { - "Get": "Bool", - "Set": "SetBool", - }, - "*reflect.ChanValue": { - "Get": "Pointer", - }, - "*reflect.ComplexValue": { - "Get": "Complex", - "Set": "SetComplex", - "Overflow": "OverflowComplex", - }, - "*reflect.FloatValue": { - "Get": "Float", - "Set": "SetFloat", - "Overflow": "OverflowFloat", - }, - "*reflect.FuncValue": { - "Get": "Pointer", - }, - "*reflect.IntValue": { - "Get": "Int", - "Set": "SetInt", - "Overflow": "OverflowInt", - }, - "*reflect.InterfaceValue": { - "Get": "InterfaceData", - }, - "*reflect.MapValue": { - "Elem": "MapIndex", - "Get": "Pointer", - "Keys": "MapKeys", - "SetElem": "SetMapIndex", - }, - "*reflect.PtrValue": { - "Get": "Pointer", - }, - "*reflect.SliceValue": { - "Elem": "Index", - "Get": "Pointer", - }, - "*reflect.StringValue": { - "Get": "String", - "Set": "SetString", - }, - "*reflect.UintValue": { - "Get": "Uint", - "Set": "SetUint", - "Overflow": "OverflowUint", - }, - "*reflect.UnsafePointerValue": { - "Get": "Pointer", - "Set": "SetPointer", - }, -} - -var reflectKind = map[string][]string{ - "reflect.ArrayOrSliceType": {"Array", "Slice"}, // interface, not pointer - "*reflect.ArrayType": {"Array"}, - "*reflect.BoolType": {"Bool"}, - "*reflect.ChanType": {"Chan"}, - "*reflect.ComplexType": {"Complex64", "Complex128"}, - "*reflect.FloatType": {"Float32", "Float64"}, - "*reflect.FuncType": {"Func"}, - "*reflect.IntType": {"Int", "Int8", "Int16", "Int32", "Int64"}, - "*reflect.InterfaceType": {"Interface"}, - "*reflect.MapType": {"Map"}, - "*reflect.PtrType": {"Ptr"}, - "*reflect.SliceType": {"Slice"}, - "*reflect.StringType": {"String"}, - "*reflect.StructType": {"Struct"}, - "*reflect.UintType": {"Uint", "Uint8", "Uint16", "Uint32", "Uint64", "Uintptr"}, - "*reflect.UnsafePointerType": {"UnsafePointer"}, - - "reflect.ArrayOrSliceValue": {"Array", "Slice"}, // interface, not pointer - "*reflect.ArrayValue": {"Array"}, - "*reflect.BoolValue": {"Bool"}, - "*reflect.ChanValue": {"Chan"}, - "*reflect.ComplexValue": {"Complex64", "Complex128"}, - "*reflect.FloatValue": {"Float32", "Float64"}, - "*reflect.FuncValue": {"Func"}, - "*reflect.IntValue": {"Int", "Int8", "Int16", "Int32", "Int64"}, - "*reflect.InterfaceValue": {"Interface"}, - "*reflect.MapValue": {"Map"}, - "*reflect.PtrValue": {"Ptr"}, - "*reflect.SliceValue": {"Slice"}, - "*reflect.StringValue": {"String"}, - "*reflect.StructValue": {"Struct"}, - "*reflect.UintValue": {"Uint", "Uint8", "Uint16", "Uint32", "Uint64", "Uintptr"}, - "*reflect.UnsafePointerValue": {"UnsafePointer"}, -} - -var isReflectValue = map[string]bool{ - "reflect.ArrayOrSliceValue": true, // interface, not pointer - "*reflect.ArrayValue": true, - "*reflect.BoolValue": true, - "*reflect.ChanValue": true, - "*reflect.ComplexValue": true, - "*reflect.FloatValue": true, - "*reflect.FuncValue": true, - "*reflect.IntValue": true, - "*reflect.InterfaceValue": true, - "*reflect.MapValue": true, - "*reflect.PtrValue": true, - "*reflect.SliceValue": true, - "*reflect.StringValue": true, - "*reflect.StructValue": true, - "*reflect.UintValue": true, - "*reflect.UnsafePointerValue": true, - "reflect.Value": true, // interface, not pointer -} |