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Filename : header.re

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//go:generate re2go $INPUT -o $OUTPUT -i --type-header src/lexer/lexer.go
package main

import (
	"lexer" // generated by re2c
	"testing"
)

/*!header:re2c:on*/
package lexer

type State struct {
	Data string
	Cur, Mar, /*!stags:re2c format="@@{tag}"; separator=", "; */ int
}
/*!header:re2c:off*/

func lex(st *lexer.State) int {
	/*!re2c
	re2c:flags:type-header = "src/lexer/lexer.go";
	re2c:yyfill:enable = 0;
	re2c:flags:tags = 1;
	re2c:define:YYCTYPE      = byte;
	re2c:define:YYPEEK       = "st.Data[st.Cur]";
	re2c:define:YYSKIP       = "st.Cur++";
	re2c:define:YYBACKUP     = "st.Mar = st.Cur";
	re2c:define:YYRESTORE    = "st.Cur = st.Mar";
	re2c:define:YYRESTORETAG = "st.Cur = @@{tag}";
	re2c:define:YYSTAGP      = "@@{tag} = st.Cur";
	re2c:tags:expression     = "st.@@{tag}";
	re2c:tags:prefix         = "Tag";

	[x]{1,4} / [x]{3,5} { return 0 } // ambiguous trailing context
	*                   { return 1 }
	*/
}

func TestLex(t *testing.T) {
	st := &lexer.State{
		Data: "xxxxxxxx\x00",
	}
	if !(lex(st) == 0 && st.Cur == 4) {
		t.Error("failed")
	}
}