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go/scanner: use strconv.QuoteRune now that it is available

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R=r, rsc
CC=golang-dev
https://golang.org/cl/4538096
This commit is contained in:
Robert Griesemer 2011-05-25 11:16:17 -07:00
parent 8c2078796d
commit a1c92c612f
2 changed files with 4 additions and 4 deletions
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3
src/pkg/go/scanner/scanner.go
View File

@ -22,7 +22,6 @@ package scanner
import (
"bytes"
"fmt"
"go/token"
"path/filepath"
"strconv"
@ -671,7 +670,7 @@ scanAgain:
tok = S.switch3(token.OR, token.OR_ASSIGN, '|', token.LOR)
default:
if S.mode&AllowIllegalChars == 0 {
S.error(offs, fmt.Sprintf("illegal character '%c' (%U)", ch, ch))
S.error(offs, "illegal character "+strconv.QuoteRune(ch))
}
insertSemi = S.insertSemi // preserve insertSemi info
}

5
src/pkg/go/scanner/scanner_test.go
View File

@ -650,8 +650,9 @@ var errors = []struct {
pos int
err string
}{
{"\a", token.ILLEGAL, 0, "illegal character '\a' (U+0007)"},
{`#`, token.ILLEGAL, 0, "illegal character '#' (U+0023)"},
{"\a", token.ILLEGAL, 0, "illegal character '\\a'"},
{`#`, token.ILLEGAL, 0, "illegal character '#'"},
{`…`, token.ILLEGAL, 0, "illegal character '\\u2026'"},
{`' '`, token.CHAR, 0, ""},
{`''`, token.CHAR, 0, "illegal character literal"},
{`'\8'`, token.CHAR, 2, "unknown escape sequence"},