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tokuhirom/jdk-triple-quote.diff

Created August 29, 2016 21:13
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JDK triple quote patch
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jdk-triple-quote.diff
diff -r 6e14043ceae4 src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavaTokenizer.java
--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavaTokenizer.java Thu Aug 11 15:47:10 2016 +0000
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavaTokenizer.java Tue Aug 30 06:13:27 2016 +0900
@@ -629,6 +629,39 @@
break loop;
case '\"':
reader.scanChar();
+
+ if (reader.ch == '\"' && reader.bp < reader.buflen) {
+ reader.scanChar();
+ if (reader.ch == '\"' && reader.bp < reader.buflen) { // """
+ reader.scanChar();
+ while (reader.bp < reader.buflen) { // allow CR, LF in """ literal
+ if (reader.ch == '\"' && reader.bp < reader.buflen) {
+ reader.scanChar();
+ if (reader.ch == '\"' && reader.bp < reader.buflen) {
+ reader.scanChar();
+ if (reader.ch == '\"' && reader.bp < reader.buflen) {
+ tk = TokenKind.STRINGLITERAL;
+ reader.scanChar();
+ break loop;
+ } else {
+ reader.putChar('"');
+ reader.putChar('"');
+ }
+ } else {
+ reader.putChar('"');
+ }
+ } else {
+ scanLitChar(pos);
+ }
+ }
+ lexError(pos, "unclosed.str.lit");
+ break loop;
+ } else { // Empty "" literal
+ tk = TokenKind.STRINGLITERAL;
+ break loop;
+ }
+ }
+
while (reader.ch != '\"' && reader.ch != CR && reader.ch != LF && reader.bp < reader.buflen)
scanLitChar(pos);
if (reader.ch == '\"') {
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