/**
* Named list operators
*
* @param b PerlBuilder
* @param l Parsing level
* @return parsing result
*/
public static boolean isListOperator(PsiBuilder b, int l) {
PerlTokenData prevTokenData = ((PerlBuilder) b).lookupToken(-1);
if (prevTokenData != null && prevTokenData.getTokenType() == OPERATOR_DEREFERENCE) return false;
IElementType tokenType = b.getTokenType();
IElementType nextTokenType = b.lookAhead(1);
if (CONVERTABLE_TOKENS.contains(tokenType)
&& nextTokenType != LEFT_PAREN // not function call
&& !PACKAGE_TOKENS.contains(nextTokenType) // not method Package::
&& !(nextTokenType == IDENTIFIER
&& ((PerlBuilder) b)
.isKnownPackage(
((PerlBuilder) b).lookupToken(1).getTokenText())) // not Method Package
)
// todo we should check current namespace here
return !PerlSubUtil.BUILT_IN_UNARY.contains(b.getTokenText());
else if (PACKAGE_TOKENS.contains(tokenType)
&& CONVERTABLE_TOKENS.contains(nextTokenType)
&& b.lookAhead(2) != LEFT_PAREN)
return !PerlSubUtil.isUnary(
b.getTokenText(), ((PerlBuilder) b).lookupToken(1).getTokenText());
return false;
}
/**
* Named unary operators
*
* @param b PerlBuilder
* @param l parsing level
* @return parsing result
*/
public static boolean isUnaryOperator(PsiBuilder b, int l) {
assert b instanceof PerlBuilder;
PerlTokenData prevTokenData = ((PerlBuilder) b).lookupToken(-1);
if (prevTokenData != null && prevTokenData.getTokenType() == OPERATOR_DEREFERENCE) return false;
IElementType tokenType = b.getTokenType();
IElementType nextTokenType = b.lookAhead(1);
if (CONVERTABLE_TOKENS.contains(tokenType)
&& nextTokenType != LEFT_PAREN
&& !PACKAGE_TOKENS.contains(nextTokenType))
// todo we should check current namespace here
return PerlSubUtil.BUILT_IN_UNARY.contains(b.getTokenText());
else if (PACKAGE_TOKENS.contains(tokenType)
&& CONVERTABLE_TOKENS.contains(SUB)
&& b.lookAhead(2) != LEFT_PAREN) {
PerlTokenData nextToken = ((PerlBuilder) b).lookupToken(1);
if (nextToken != null) return PerlSubUtil.isUnary(b.getTokenText(), nextToken.getTokenText());
}
return false;
}
