// Code generated by re2c, DO NOT EDIT. //line "go/eof/02_bounds_checking.re":1 //go:generate re2go $INPUT -o $OUTPUT package main import ( "strings" "testing" ) var YYMAXFILL int = 1 // Expects YYMAXFILL-padded string. func lex(str string) int { var cursor int limit := len(str) count := 0 loop: //line "go/eof/02_bounds_checking.go":22 { var yych byte if (limit - cursor < 1) { return -1 } yych = str[cursor] switch (yych) { case 0x00: goto yy2 case ' ': goto yy6 case '\'': goto yy9 default: goto yy4 } yy2: cursor += 1 //line "go/eof/02_bounds_checking.re":25 { return count } //line "go/eof/02_bounds_checking.go":43 yy4: cursor += 1 //line "go/eof/02_bounds_checking.re":24 { return -1 } //line "go/eof/02_bounds_checking.go":48 yy6: cursor += 1 if (limit - cursor < 1) { return -1 } yych = str[cursor] switch (yych) { case ' ': goto yy6 default: goto yy8 } yy8: //line "go/eof/02_bounds_checking.re":27 { goto loop } //line "go/eof/02_bounds_checking.go":64 yy9: cursor += 1 if (limit - cursor < 1) { return -1 } yych = str[cursor] switch (yych) { case '\'': goto yy11 case '\\': goto yy13 default: goto yy9 } yy11: cursor += 1 //line "go/eof/02_bounds_checking.re":26 { count += 1; goto loop } //line "go/eof/02_bounds_checking.go":83 yy13: cursor += 1 if (limit - cursor < 1) { return -1 } yych = str[cursor] goto yy9 } //line "go/eof/02_bounds_checking.re":28 } // Pad string with YYMAXFILL zeroes at the end. func pad(str string) string { return str + strings.Repeat("\000", YYMAXFILL) } func TestLex(t *testing.T) { var tests = []struct { res int str string }{ {0, ""}, {3, "'qu\000tes' 'are' 'fine: \\'' "}, {-1, "'unterminated\\'"}, } for _, x := range tests { t.Run(x.str, func(t *testing.T) { res := lex(pad(x.str)) if res != x.res { t.Errorf("got %d, want %d", res, x.res) } }) } }