phoedos/pmd
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Replace syntactic lookahead with semantic one

Browse Source 
- They are the same, but JavaCC seems to handle this one better.
This commit is contained in:
Juan Martín Sotuyo Dodero
2016-10-12 16:58:33 -03:00
committed by Andreas Dangel
parent e9f14e4496
commit 283dc00a43
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
pmd-java/etc/grammar/Java.jjt
View File

@ -1,4 +1,11 @@
/**
* Fix for regression introduced in previous changeset.
* The syntactic lookahead was not properly handled by javacc,
* so it was converted to a semantic one
* Bug #1530
*
* Juan Martin Sotuyo Dodero 10/2016
*====================================================================
* Fix for an expression within an additive expression that was
* wrongly taken as a cast expression.
* Bug #1484
@ -1761,7 +1768,7 @@ void UnaryExpressionNotPlusMinus() #UnaryExpressionNotPlusMinus((jjtn000.getImag
{}
{
( "~" {jjtThis.setImage("~");} | "!" {jjtThis.setImage("!");} ) UnaryExpression()
| LOOKAHEAD("(" <IDENTIFIER> ")" "+") PostfixExpression()
| LOOKAHEAD( { getToken(1).kind == LPAREN && getToken(2).kind == IDENTIFIER && getToken(3).kind == RPAREN && getToken(4).kind == PLUS } ) PostfixExpression()
| LOOKAHEAD( CastExpression() ) CastExpression()
| LOOKAHEAD("(" Type() ")" "(") CastExpression()
| PostfixExpression()
@ -1843,9 +1850,8 @@ void PrimarySuffix() :
}
void Literal() :
{}
{
{ Token t;}
{
t=<INTEGER_LITERAL> { checkForBadNumericalLiteralslUsage(t); jjtThis.setImage(t.image); jjtThis.setIntLiteral();}
| t=<FLOATING_POINT_LITERAL> { checkForBadNumericalLiteralslUsage(t); jjtThis.setImage(t.image); jjtThis.setFloatLiteral();}
| t=<HEX_FLOATING_POINT_LITERAL> { checkForBadHexFloatingPointLiteral(); checkForBadNumericalLiteralslUsage(t); jjtThis.setImage(t.image); jjtThis.setFloatLiteral();}