private static void advanceGtToken(final PsiBuilder builder, final IElementType type) {
final PsiBuilder.Marker gtToken = builder.mark();
if (type == JavaTokenType.GTGTGTEQ) {
PsiBuilderUtil.advance(builder, 4);
} else if (type == JavaTokenType.GTGTGT || type == JavaTokenType.GTGTEQ) {
PsiBuilderUtil.advance(builder, 3);
} else if (type == JavaTokenType.GTGT || type == JavaTokenType.GE) {
PsiBuilderUtil.advance(builder, 2);
} else {
gtToken.drop();
builder.advanceLexer();
return;
}
gtToken.collapse(type);
}
// todo[r.sh] make 'this', 'super' and 'class' reference expressions
@Nullable
private PsiBuilder.Marker parsePrimary(
final PsiBuilder builder, @Nullable final BreakPoint breakPoint, final int breakOffset) {
PsiBuilder.Marker startMarker = builder.mark();
PsiBuilder.Marker expr = parsePrimaryExpressionStart(builder);
if (expr == null) {
startMarker.drop();
return null;
}
while (true) {
final IElementType tokenType = builder.getTokenType();
if (tokenType == JavaTokenType.DOT) {
final PsiBuilder.Marker dotPos = builder.mark();
final int dotOffset = builder.getCurrentOffset();
builder.advanceLexer();
IElementType dotTokenType = builder.getTokenType();
if (dotTokenType == JavaTokenType.AT) {
myParser.getDeclarationParser().parseAnnotations(builder);
dotTokenType = builder.getTokenType();
}
if (dotTokenType == JavaTokenType.CLASS_KEYWORD
&& exprType(expr) == JavaElementType.REFERENCE_EXPRESSION) {
if (breakPoint == BreakPoint.P1 && builder.getCurrentOffset() == breakOffset) {
error(builder, JavaErrorMessages.message("expected.identifier"));
PsiBuilderUtil.drop(startMarker, dotPos);
return expr;
}
final PsiBuilder.Marker copy = startMarker.precede();
final int offset = builder.getCurrentOffset();
startMarker.rollbackTo();
final PsiBuilder.Marker classObjAccess = parseClassAccessOrMethodReference(builder);
if (classObjAccess == null || builder.getCurrentOffset() < offset) {
copy.rollbackTo();
return parsePrimary(builder, BreakPoint.P1, offset);
}
startMarker = copy;
expr = classObjAccess;
} else if (dotTokenType == JavaTokenType.NEW_KEYWORD) {
dotPos.drop();
expr = parseNew(builder, expr);
} else if (THIS_OR_SUPER.contains(dotTokenType)
&& exprType(expr) == JavaElementType.REFERENCE_EXPRESSION) {
if (breakPoint == BreakPoint.P2 && builder.getCurrentOffset() == breakOffset) {
dotPos.rollbackTo();
startMarker.drop();
return expr;
}
final PsiBuilder.Marker copy = startMarker.precede();
final int offset = builder.getCurrentOffset();
startMarker.rollbackTo();
final PsiBuilder.Marker ref =
myParser
.getReferenceParser()
.parseJavaCodeReference(builder, false, true, false, false);
if (ref == null
|| builder.getTokenType() != JavaTokenType.DOT
|| builder.getCurrentOffset() != dotOffset) {
copy.rollbackTo();
return parsePrimary(builder, BreakPoint.P2, offset);
}
builder.advanceLexer();
if (builder.getTokenType() != dotTokenType) {
copy.rollbackTo();
return parsePrimary(builder, BreakPoint.P2, offset);
}
builder.advanceLexer();
startMarker = copy;
expr = ref.precede();
expr.done(
dotTokenType == JavaTokenType.THIS_KEYWORD
? JavaElementType.THIS_EXPRESSION
: JavaElementType.SUPER_EXPRESSION);
} else if (dotTokenType == JavaTokenType.SUPER_KEYWORD) {
dotPos.drop();
final PsiBuilder.Marker refExpr = expr.precede();
builder.advanceLexer();
refExpr.done(JavaElementType.REFERENCE_EXPRESSION);
expr = refExpr;
} else {
dotPos.drop();
final PsiBuilder.Marker refExpr = expr.precede();
myParser.getReferenceParser().parseReferenceParameterList(builder, false, false);
if (!expectOrError(builder, ID_OR_SUPER, "expected.identifier")) {
refExpr.done(JavaElementType.REFERENCE_EXPRESSION);
startMarker.drop();
return refExpr;
}
refExpr.done(JavaElementType.REFERENCE_EXPRESSION);
expr = refExpr;
}
} else if (tokenType == JavaTokenType.LPARENTH) {
if (exprType(expr) != JavaElementType.REFERENCE_EXPRESSION) {
if (exprType(expr) == JavaElementType.SUPER_EXPRESSION) {
if (breakPoint == BreakPoint.P3) {
startMarker.drop();
return expr;
}
final PsiBuilder.Marker copy = startMarker.precede();
startMarker.rollbackTo();
final PsiBuilder.Marker qualifier = parsePrimaryExpressionStart(builder);
if (qualifier != null) {
final PsiBuilder.Marker refExpr = qualifier.precede();
if (builder.getTokenType() == JavaTokenType.DOT) {
builder.advanceLexer();
if (builder.getTokenType() == JavaTokenType.SUPER_KEYWORD) {
builder.advanceLexer();
refExpr.done(JavaElementType.REFERENCE_EXPRESSION);
expr = refExpr;
startMarker = copy;
continue;
}
}
}
copy.rollbackTo();
return parsePrimary(builder, BreakPoint.P3, -1);
} else {
startMarker.drop();
return expr;
}
}
final PsiBuilder.Marker callExpr = expr.precede();
parseArgumentList(builder);
callExpr.done(JavaElementType.METHOD_CALL_EXPRESSION);
expr = callExpr;
} else if (tokenType == JavaTokenType.LBRACKET) {
if (breakPoint == BreakPoint.P4) {
startMarker.drop();
return expr;
}
builder.advanceLexer();
if (builder.getTokenType() == JavaTokenType.RBRACKET
&& exprType(expr) == JavaElementType.REFERENCE_EXPRESSION) {
final int pos = builder.getCurrentOffset();
final PsiBuilder.Marker copy = startMarker.precede();
startMarker.rollbackTo();
final PsiBuilder.Marker classObjAccess = parseClassAccessOrMethodReference(builder);
if (classObjAccess == null || builder.getCurrentOffset() <= pos) {
copy.rollbackTo();
return parsePrimary(builder, BreakPoint.P4, -1);
}
startMarker = copy;
expr = classObjAccess;
} else {
final PsiBuilder.Marker arrayAccess = expr.precede();
final PsiBuilder.Marker index = parse(builder);
if (index == null) {
error(builder, JavaErrorMessages.message("expected.expression"));
arrayAccess.done(JavaElementType.ARRAY_ACCESS_EXPRESSION);
startMarker.drop();
return arrayAccess;
}
if (builder.getTokenType() != JavaTokenType.RBRACKET) {
error(builder, JavaErrorMessages.message("expected.rbracket"));
arrayAccess.done(JavaElementType.ARRAY_ACCESS_EXPRESSION);
startMarker.drop();
return arrayAccess;
}
builder.advanceLexer();
arrayAccess.done(JavaElementType.ARRAY_ACCESS_EXPRESSION);
expr = arrayAccess;
}
} else if (tokenType == JavaTokenType.DOUBLE_COLON) {
return parseMethodReference(builder, startMarker);
} else {
startMarker.drop();
return expr;
}
}
}