| // Copyright (C) 2014 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package ast |
| |
| import "android.googlesource.com/platform/tools/gpu/parse" |
| |
| // Number represents a typeless numeric constant. |
| type Number struct { |
| CST *parse.Leaf // underlying parse leaf for this node |
| Value string // the string representation of the constant |
| } |
| func (t Number) Fragment() parse.Fragment { return t.CST } |
| |
| // Bool is used for the "true" and "false" keywords. |
| type Bool struct { |
| CST *parse.Leaf // underlying parse leaf for this node |
| Value bool // The value of the boolean |
| } |
| func (t Bool) Fragment() parse.Fragment { return t.CST } |
| |
| // String represents a quoted string constant. |
| type String struct { |
| CST *parse.Leaf // underlying parse leaf for this node |
| Value string // The body of the string, not including the delimiters |
| } |
| func (t String) Fragment() parse.Fragment { return t.CST } |
| |
| // Unknown represents the "?" construct. This is used in places where an |
| // expression takes a value that is implementation defined. |
| type Unknown struct { |
| CST *parse.Leaf // underlying parse leaf for this node |
| } |
| func (t Unknown) Fragment() parse.Fragment { return t.CST } |
| |
| // Null represents the null literal. This is the default value for the inferred |
| // type, and must be used in a context where the type can be inferred. |
| type Null struct { |
| CST *parse.Leaf // underlying parse leaf for this node |
| } |
| func (t Null) Fragment() parse.Fragment { return t.CST } |