1 files changed, 41 insertions, 1 deletions

diff --git a/vendor/github.com/pelletier/go-toml/lexer.go b/vendor/github.com/pelletier/go-toml/lexer.go
index 209665676..d11de4285 100644
--- a/vendor/github.com/pelletier/go-toml/lexer.go
+++ b/vendor/github.com/pelletier/go-toml/lexer.go
@@ -204,6 +204,14 @@ func (l *tomlLexer) lexRvalue() tomlLexStateFn {
 			return l.lexFalse
 		}
 
+		if l.follow("inf") {
+			return l.lexInf
+		}
+
+		if l.follow("nan") {
+			return l.lexNan
+		}
+
 		if isSpace(next) {
 			l.skip()
 			continue
@@ -265,6 +273,18 @@ func (l *tomlLexer) lexFalse() tomlLexStateFn {
 	return l.lexRvalue
 }
 
+func (l *tomlLexer) lexInf() tomlLexStateFn {
+	l.fastForward(3)
+	l.emit(tokenInf)
+	return l.lexRvalue
+}
+
+func (l *tomlLexer) lexNan() tomlLexStateFn {
+	l.fastForward(3)
+	l.emit(tokenNan)
+	return l.lexRvalue
+}
+
 func (l *tomlLexer) lexEqual() tomlLexStateFn {
 	l.next()
 	l.emit(tokenEqual)
@@ -277,6 +297,8 @@ func (l *tomlLexer) lexComma() tomlLexStateFn {
 	return l.lexRvalue
 }
 
+// Parse the key and emits its value without escape sequences.
+// bare keys, basic string keys and literal string keys are supported.
 func (l *tomlLexer) lexKey() tomlLexStateFn {
 	growingString := ""
 
@@ -287,7 +309,16 @@ func (l *tomlLexer) lexKey() tomlLexStateFn {
 			if err != nil {
 				return l.errorf(err.Error())
 			}
-			growingString += `"` + str + `"`
+			growingString += str
+			l.next()
+			continue
+		} else if r == '\'' {
+			l.next()
+			str, err := l.lexLiteralStringAsString(`'`, false)
+			if err != nil {
+				return l.errorf(err.Error())
+			}
+			growingString += str
 			l.next()
 			continue
 		} else if r == '\n' {
@@ -527,6 +558,7 @@ func (l *tomlLexer) lexTableKey() tomlLexStateFn {
 	return l.lexInsideTableKey
 }
 
+// Parse the key till "]]", but only bare keys are supported
 func (l *tomlLexer) lexInsideTableArrayKey() tomlLexStateFn {
 	for r := l.peek(); r != eof; r = l.peek() {
 		switch r {
@@ -550,6 +582,7 @@ func (l *tomlLexer) lexInsideTableArrayKey() tomlLexStateFn {
 	return l.errorf("unclosed table array key")
 }
 
+// Parse the key till "]" but only bare keys are supported
 func (l *tomlLexer) lexInsideTableKey() tomlLexStateFn {
 	for r := l.peek(); r != eof; r = l.peek() {
 		switch r {
@@ -638,7 +671,14 @@ func (l *tomlLexer) lexNumber() tomlLexStateFn {
 
 	if r == '+' || r == '-' {
 		l.next()
+		if l.follow("inf") {
+			return l.lexInf
+		}
+		if l.follow("nan") {
+			return l.lexNan
+		}
 	}
+
 	pointSeen := false
 	expSeen := false
 	digitSeen := false