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6891079: Compiler allows invalid binary literals 0b and oBL

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Reviewed-by: darcy
This commit is contained in:
Jonathan Gibbons 2009-10-13 15:26:30 -07:00
parent 837c2b0a07
commit 51a7e38600
4 changed files with 26 additions and 1 deletions
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6
langtools/src/share/classes/com/sun/tools/javac/parser/Scanner.java
View File

@ -876,7 +876,11 @@ public class Scanner implements Lexer {
}
scanChar();
skipIllegalUnderscores();
scanNumber(2);
if (digit(2) < 0) {
lexError("invalid.binary.number");
} else {
scanNumber(2);
}
} else {
putChar('0');
if (ch == '_') {

2
langtools/src/share/classes/com/sun/tools/javac/resources/compiler.properties
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@ -252,6 +252,8 @@ compiler.err.intf.meth.cant.have.body=\
interface methods cannot have body
compiler.err.invalid.annotation.member.type=\
invalid type for annotation member
compiler.err.invalid.binary.number=\
binary numbers must contain at least one binary digit
compiler.err.invalid.hex.number=\
hexadecimal numbers must contain at least one hexadecimal digit
compiler.err.invalid.meth.decl.ret.type.req=\

12
langtools/test/tools/javac/literals/T6891079.java Normal file
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@ -0,0 +1,12 @@
/* @test /nodynamiccopyright/
* @bug 6891079
* @summary Compiler allows invalid binary literals 0b and oBL
* @compile/fail/ref=T6891079.out -XDrawDiagnostics T6891079.java
*/
class Test {
int bi = 0B;
long bl = 0BL;
int xi = 0X;
long xl = 0XL;
}

7
langtools/test/tools/javac/literals/T6891079.out Normal file
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@ -0,0 +1,7 @@
T6891079.java:8:14: compiler.err.invalid.binary.number
T6891079.java:9:15: compiler.err.invalid.binary.number
T6891079.java:9:18: compiler.err.expected: token.identifier
T6891079.java:10:14: compiler.err.invalid.hex.number
T6891079.java:11:15: compiler.err.invalid.hex.number
T6891079.java:11:18: compiler.err.expected: token.identifier
6 errors