1 | // Copyright 2014 The Go Authors. All rights reserved. |
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2 | // Use of this source code is governed by a BSD-style |
3 | // license that can be found in the LICENSE file. |
4 | |
5 | // This file holds the go generate command to run yacc on the grammar in expr.y. |
6 | // To build expr: |
7 | // % go generate |
8 | // % go build |
9 | |
10 | //go:generate goyacc -o expr.go -p "expr" expr.y |
11 | |
12 | // Expr is a simple expression evaluator that serves as a working example of |
13 | // how to use Go's yacc implementation. |
14 | package main |
15 |
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