/**
* Split a block into sub methods.
*
* @param block Block or function to split.
* @return new weight for the resulting block.
*/
private Block splitBlock(final Block block, final FunctionNode function) {
final List<Statement> splits = new ArrayList<>();
List<Statement> statements = new ArrayList<>();
long statementsWeight = 0;
for (final Statement statement : block.getStatements()) {
final long weight = WeighNodes.weigh(statement, weightCache);
if (statementsWeight + weight >= SPLIT_THRESHOLD || statement.isTerminal()) {
if (!statements.isEmpty()) {
splits.add(createBlockSplitNode(block, function, statements, statementsWeight));
statements = new ArrayList<>();
statementsWeight = 0;
}
}
if (statement.isTerminal()) {
splits.add(statement);
} else {
statements.add(statement);
statementsWeight += weight;
}
}
if (!statements.isEmpty()) {
splits.add(createBlockSplitNode(block, function, statements, statementsWeight));
}
return block.setStatements(lc, splits);
}
private List<? extends StatementTree> translateStats(final List<? extends Statement> stats) {
if (stats == null) {
return null;
}
final List<StatementTreeImpl> statTrees = new ArrayList<>(stats.size());
for (final Statement stat : stats) {
curStat = null;
stat.accept(this);
assert curStat != null;
statTrees.add(curStat);
}
return statTrees;
}
private StatementTreeImpl translateStat(final Statement stat) {
if (stat == null) {
return null;
}
curStat = null;
stat.accept(this);
assert curStat != null : "null for " + stat;
return curStat;
}