48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sql
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func (p *parser) parseReturnStatement() (stmt *ReturnStatement, err error) {
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stmt = &ReturnStatement{}
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for {
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tok, lit, err := p.shouldBe(NULL, NOW, DATE, TIME, TRUE, FALSE, STRING, NUMBER, DOUBLE, PARAM)
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if err != nil {
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return nil, err
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}
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val, err := p.declare(tok, lit)
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if err != nil {
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return nil, err
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}
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stmt.What = append(stmt.What, val)
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// If the next token is not a comma then break the loop.
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if _, _, exi := p.mightBe(COMMA); !exi {
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break
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}
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}
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if _, _, err = p.shouldBe(EOF, SEMICOLON); err != nil {
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return nil, err
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}
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return
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}
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