diff options
Diffstat (limited to 'gcc-4.8.1/libgo/go/go/types/types.go')
| -rw-r--r-- | gcc-4.8.1/libgo/go/go/types/types.go | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/gcc-4.8.1/libgo/go/go/types/types.go b/gcc-4.8.1/libgo/go/go/types/types.go deleted file mode 100644 index 2107a20d1..000000000 --- a/gcc-4.8.1/libgo/go/go/types/types.go +++ /dev/null @@ -1,232 +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. - -package types - -import "go/ast" - -// All types implement the Type interface. -type Type interface { - String() string - aType() -} - -// BasicKind describes the kind of basic type. -type BasicKind int - -const ( - Invalid BasicKind = iota // type is invalid - - // predeclared types - Bool - Int - Int8 - Int16 - Int32 - Int64 - Uint - Uint8 - Uint16 - Uint32 - Uint64 - Uintptr - Float32 - Float64 - Complex64 - Complex128 - String - UnsafePointer - - // types for untyped values - UntypedBool - UntypedInt - UntypedRune - UntypedFloat - UntypedComplex - UntypedString - UntypedNil - - // aliases - Byte = Uint8 - Rune = Int32 -) - -// BasicInfo is a set of flags describing properties of a basic type. -type BasicInfo int - -// Properties of basic types. -const ( - IsBoolean BasicInfo = 1 << iota - IsInteger - IsUnsigned - IsFloat - IsComplex - IsString - IsUntyped - - IsOrdered = IsInteger | IsFloat | IsString - IsNumeric = IsInteger | IsFloat | IsComplex - IsConstType = IsBoolean | IsNumeric | IsString -) - -// A Basic represents a basic type. -type Basic struct { - Kind BasicKind - Info BasicInfo - Size int64 - Name string -} - -// An Array represents an array type [Len]Elt. -type Array struct { - Len int64 - Elt Type -} - -// A Slice represents a slice type []Elt. -type Slice struct { - Elt Type -} - -// A QualifiedName is a name qualified with the package that declared the name. -type QualifiedName struct { - Pkg *Package // nil only for predeclared error.Error - Name string // unqualified type name for anonymous fields -} - -// IsSame reports whether p and q are the same. -func (p QualifiedName) IsSame(q QualifiedName) bool { - // spec: - // "Two identifiers are different if they are spelled differently, - // or if they appear in different packages and are not exported. - // Otherwise, they are the same." - if p.Name != q.Name { - return false - } - // p.Name == q.Name - return ast.IsExported(p.Name) || p.Pkg == q.Pkg -} - -// A Field represents a field of a struct. -type Field struct { - QualifiedName - Type Type - Tag string - IsAnonymous bool -} - -// A Struct represents a struct type struct{...}. -type Struct struct { - Fields []*Field -} - -func (typ *Struct) fieldIndex(name string) int { - for i, f := range typ.Fields { - if f.Name == name { - return i - } - } - return -1 -} - -// A Pointer represents a pointer type *Base. -type Pointer struct { - Base Type -} - -// A Result represents a (multi-value) function call result. -type Result struct { - Values []*Var // Signature.Results of the function called -} - -// A Signature represents a user-defined function type func(...) (...). -type Signature struct { - Recv *Var // nil if not a method - Params []*Var // (incoming) parameters from left to right; or nil - Results []*Var // (outgoing) results from left to right; or nil - IsVariadic bool // true if the last parameter's type is of the form ...T -} - -// builtinId is an id of a builtin function. -type builtinId int - -// Predeclared builtin functions. -const ( - // Universe scope - _Append builtinId = iota - _Cap - _Close - _Complex - _Copy - _Delete - _Imag - _Len - _Make - _New - _Panic - _Print - _Println - _Real - _Recover - - // Unsafe package - _Alignof - _Offsetof - _Sizeof - - // Testing support - _Assert - _Trace -) - -// A builtin represents the type of a built-in function. -type builtin struct { - id builtinId - name string - nargs int // number of arguments (minimum if variadic) - isVariadic bool - isStatement bool // true if the built-in is valid as an expression statement -} - -// A Method represents a method. -type Method struct { - QualifiedName - Type *Signature -} - -// An Interface represents an interface type interface{...}. -type Interface struct { - Methods []*Method // TODO(gri) consider keeping them in sorted order -} - -// A Map represents a map type map[Key]Elt. -type Map struct { - Key, Elt Type -} - -// A Chan represents a channel type chan Elt, <-chan Elt, or chan<-Elt. -type Chan struct { - Dir ast.ChanDir - Elt Type -} - -// A NamedType represents a named type as declared in a type declaration. -type NamedType struct { - Obj *TypeName // corresponding declared object - Underlying Type // nil if not fully declared yet; never a *NamedType - Methods []*Method // TODO(gri) consider keeping them in sorted order -} - -func (*Basic) aType() {} -func (*Array) aType() {} -func (*Slice) aType() {} -func (*Struct) aType() {} -func (*Pointer) aType() {} -func (*Result) aType() {} -func (*Signature) aType() {} -func (*builtin) aType() {} -func (*Interface) aType() {} -func (*Map) aType() {} -func (*Chan) aType() {} -func (*NamedType) aType() {} |