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8048805: Request to investigate and update lexer error recovery in javac

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8046620: Further investigation needed for few error messages for negative unicode tests in langtools regression ws
8048803: javac should report complete character code in the error messages

Improving error reporting and recovery in the lexer

Co-authored-by: Sonali Goel <sonali.goel@oracle.com>
Reviewed-by: jjg, mcimadamore
This commit is contained in:
Jan Lahoda 2014-07-14 12:02:58 +02:00
parent 47692bbf7e
commit eb1f1c05ed
15 changed files with 84 additions and 107 deletions
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13
langtools/test/tools/javac/unicode/NonasciiDigit.java
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@ -1,6 +1,6 @@
/*
* @test /nodynamiccopyright/
* @bug 4707960 6183529
* @bug 4707960 6183529 8046620
* @summary javac accepts unicode digits - sometimes crashing
* @author gafter
*
@ -8,7 +8,16 @@
*/
public class NonasciiDigit {
public static void main(String[] args) {
// error: only ASCII allowed in constants
int i1 = \uff11;
int i2 = 1\uff11;
int i3 = \ud835\udfff;
// error: floating literals use ascii only
float f = 0.\uff11;
double d1 = \uff11.0;
double d2 = 0.\uff11;
double d3 = 0x0P\uff11;
double d4 = 0E\uff11;
double d5 = .\uff11;
double d6 = \ud835\udfff.0;
}
}