use of org.drools.javaparser.ast.expr.FieldAccessExpr in project drools by kiegroup.
the class ExpressionTyper method processFirstNode.
private Optional<TypedExpressionCursor> processFirstNode(Expression drlxExpr, List<Node> childNodes, Node firstNode, boolean isInLineCast, Class<?> originalTypeCursor) {
final Optional<TypedExpressionCursor> result;
if (firstNode instanceof ThisExpr || (firstNode instanceof NameExpr && firstNode.toString().equals(bindingId))) {
result = of(thisExpr(drlxExpr, childNodes, isInLineCast, originalTypeCursor));
} else if (firstNode instanceof NameExpr) {
result = nameExpr(drlxExpr, (NameExpr) firstNode, isInLineCast, originalTypeCursor);
} else if (firstNode instanceof FieldAccessExpr && ((FieldAccessExpr) firstNode).getScope() instanceof ThisExpr) {
result = of(fieldAccessExpr((FieldAccessExpr) firstNode, originalTypeCursor));
} else if (firstNode instanceof MethodCallExpr) {
result = of(methodCallExpr((MethodCallExpr) firstNode, originalTypeCursor, new NameExpr("_this")));
} else if (firstNode instanceof StringLiteralExpr) {
result = of(stringLiteralExpr((StringLiteralExpr) firstNode));
} else if (firstNode instanceof EnclosedExpr) {
result = processFirstNode(drlxExpr, childNodes, ((EnclosedExpr) firstNode).getInner(), isInLineCast, originalTypeCursor);
} else if (firstNode instanceof CastExpr) {
result = castExpr((CastExpr) firstNode, drlxExpr, childNodes, isInLineCast, originalTypeCursor);
} else if (firstNode instanceof ArrayCreationExpr) {
result = of(arrayCreationExpr(((ArrayCreationExpr) firstNode)));
} else if (firstNode instanceof BinaryExpr) {
result = of(binaryExpr((BinaryExpr) firstNode));
} else {
result = of(new TypedExpressionCursor((Expression) firstNode, getExpressionType(ruleContext, ruleContext.getTypeResolver(), (Expression) firstNode, context.getUsedDeclarations())));
}
result.ifPresent(te -> {
if (drlxExpr instanceof NullSafeFieldAccessExpr) {
extractPrefixExpressions((NullSafeFieldAccessExpr) drlxExpr, te.expressionCursor);
}
});
return result.map(te -> {
if (isInLineCast) {
Expression exprWithInlineCast = addCastToExpression(te.typeCursor, te.expressionCursor, isInLineCast);
return new TypedExpressionCursor(exprWithInlineCast, te.typeCursor);
} else {
return te;
}
});
}
use of org.drools.javaparser.ast.expr.FieldAccessExpr in project drools by kiegroup.
the class ExpressionTyper method toTypedExpressionFromMethodCallOrField.
private TypedExpressionResult toTypedExpressionFromMethodCallOrField(Expression drlxExpr) {
final List<Node> childrenNodes = flattenScope(drlxExpr);
final Node firstChild = childrenNodes.get(0);
boolean isInLineCast = firstChild instanceof InlineCastExpr;
final Class<?> originalTypeCursor;
final Node firstNode;
if (isInLineCast) {
InlineCastExpr inlineCast = (InlineCastExpr) firstChild;
originalTypeCursor = originalTypeCursorFromInlineCast(inlineCast);
firstNode = inlineCast.getExpression();
} else {
originalTypeCursor = patternType;
firstNode = firstChild;
}
final Optional<TypedExpressionCursor> teCursor = processFirstNode(drlxExpr, childrenNodes, firstNode, isInLineCast, originalTypeCursor);
Expression previous;
Class<?> typeCursor;
if (!teCursor.isPresent()) {
return new TypedExpressionResult(Optional.empty(), context);
} else {
previous = teCursor.get().expressionCursor;
typeCursor = teCursor.get().typeCursor;
}
List<Node> childrenWithoutFirst = childrenNodes.subList(1, childrenNodes.size());
for (Node part : childrenWithoutFirst) {
if (typeCursor.isEnum()) {
previous = drlxExpr;
} else if (part instanceof SimpleName) {
String field = part.toString();
TypedExpression expression = nameExprToMethodCallExpr(field, typeCursor, previous);
typeCursor = expression.getType();
previous = expression.getExpression();
} else if (part instanceof MethodCallExpr) {
TypedExpressionCursor typedExpr = methodCallExpr((MethodCallExpr) part, typeCursor, previous);
typeCursor = typedExpr.typeCursor;
previous = typedExpr.expressionCursor;
} else if (part instanceof InlineCastExpr && ((InlineCastExpr) part).getExpression() instanceof FieldAccessExpr) {
InlineCastExpr inlineCastExprPart = (InlineCastExpr) part;
final FieldAccessExpr fieldAccessExpr = (FieldAccessExpr) inlineCastExprPart.getExpression();
final TypedExpression toMethodCallExpr = nameExprToMethodCallExpr(fieldAccessExpr.getNameAsString(), typeCursor, previous);
final Class<?> castClass = getClassFromType(ruleContext.getTypeResolver(), inlineCastExprPart.getType());
previous = addCastToExpression(castClass, toMethodCallExpr.getExpression(), false);
} else {
throw new UnsupportedOperationException();
}
}
return new TypedExpressionResult(of(new TypedExpression().setExpression(previous).setType(typeCursor)), context);
}
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