private void compileCatchStatements(
MethodVisitor mv,
Label tryStart,
Label tryEnd,
Label tryCatchEnd,
List<IRCatchClause> catchStmts) {
for (int i = 0; i < catchStmts.size(); i++) {
IRCatchClause catchStmt = catchStmts.get(i);
_context.pushScope(); // scope for the exception param
try {
IRType type = catchStmt.getIdentifier().getType();
Label catchStart =
new NamedLabel("CatchStart for " + (type == null ? "(no type)" : type.getName()));
_context.visitLabel(catchStart);
declareCatchExtents(mv, tryStart, tryEnd, catchStart, type);
assignExceptionParam(mv, catchStmt.getIdentifier());
IRBytecodeCompiler.compileIRStatement(catchStmt.getBody(), _context);
inlineLocalFinallyStmt(catchStmt.getBody(), tryCatchEnd);
} finally {
_context.popScope();
}
}
}
private void insertTryCatchBlock(
MethodVisitor mv, Label handlerStart, IRType type, Label start, Label end) {
if (start.getOffset() > end.getOffset()) {
throw new IllegalStateException("start label must precede the end label");
} else if (start.getOffset()
!= end
.getOffset()) { // If start == end, then we want to ignore it and not generate any
// exception table entry
mv.visitTryCatchBlock(start, end, handlerStart, type.getSlashName());
}
}