surrealpatch/sql/what.go
Tobie Morgan Hitchcock 5e6f2f9c5a Update sql package
2016-05-23 13:32:02 +01:00

49 lines
1.1 KiB
Go

// Copyright © 2016 Abcum Ltd
//
// 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 sql
func (p *Parser) parseWhat() (mul []Expr, err error) {
for {
_, _, exi := p.mightBe(EAT)
if exi == false {
one, err := p.parseTable()
if err != nil {
return nil, err
}
mul = append(mul, one)
}
if exi == true {
p.unscan()
one, err := p.parseThing()
if err != nil {
return nil, err
}
mul = append(mul, one)
}
// If the next token is not a comma then break the loop.
if _, _, exi = p.mightBe(COMMA); !exi {
break
}
}
return
}