static {
Precedence[] values = Precedence.values();
for (Precedence precedence : values) {
int ordinal = precedence.ordinal();
precedence.higher = ordinal > 0 ? values[ordinal - 1] : null;
}
}
static {
Set<IElementType> operations = new HashSet<IElementType>();
Precedence[] values = Precedence.values();
for (Precedence precedence : values) {
operations.addAll(Arrays.asList(precedence.getOperations().getTypes()));
}
ALL_OPERATIONS = TokenSet.create(operations.toArray(new IElementType[operations.size()]));
}
/*
* element (operation element)*
*
* see the precedence table
*/
private void parseBinaryExpression(Precedence precedence) {
// System.out.println(precedence.name() + " at " + myBuilder.getTokenText());
PsiBuilder.Marker expression = mark();
precedence.parseHigherPrecedence(this);
while (!interruptedWithNewLine() && atSet(precedence.getOperations())) {
IElementType operation = tt();
parseOperationReference();
JetNodeType resultType = precedence.parseRightHandSide(operation, this);
expression.done(resultType);
expression = expression.precede();
}
expression.drop();
}
