You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.3 KiB
72 lines
2.3 KiB
/*
|
|
* SwitchBlock (c) 1998 Jochen Hoenicke
|
|
*
|
|
* You may distribute under the terms of the GNU General Public License.
|
|
*
|
|
* IN NO EVENT SHALL JOCHEN HOENICKE BE LIABLE TO ANY PARTY FOR DIRECT,
|
|
* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
|
|
* THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF JOCHEN HOENICKE
|
|
* HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* JOCHEN HOENICKE SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
|
|
* PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"
|
|
* BASIS, AND JOCHEN HOENICKE HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
|
|
* SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
package jode.flow;
|
|
import jode.TabbedPrintWriter;
|
|
|
|
/**
|
|
* This is the structured block for an empty block.
|
|
*/
|
|
public class SwitchBlock extends BreakableBlock {
|
|
int[] cases;
|
|
StructuredBlock[] caseBlocks;
|
|
|
|
public SwitchBlock(int[] cases, int[] dests) {
|
|
this.cases = cases;
|
|
this.caseBlocks = new StructuredBlock[dests.length];
|
|
for (int i=0; i<dests.length; i++) {
|
|
/* XXX sort the destinations, multi-cases? */
|
|
caseBlocks[i] = new EmptyBlock(new Jump(dests[i]));
|
|
}
|
|
this.jump = null;
|
|
mayChangeJump = true;
|
|
}
|
|
|
|
public void dumpInstruction(TabbedPrintWriter writer)
|
|
throws java.io.IOException
|
|
{
|
|
writer.println("switch (/* XXX implement */)");
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the block where the control will normally flow to, when
|
|
* the given sub block is finished (<em>not</em> ignoring the jump
|
|
* after this block). (This is overwritten by SequentialBlock and
|
|
* SwitchBlock). If this isn't called with a direct sub block,
|
|
* the behaviour is undefined, so take care.
|
|
* @return null, if the control flows to another FlowBlock. */
|
|
public StructuredBlock getNextBlock(StructuredBlock subBlock) {
|
|
/*XXX*/
|
|
return getNextBlock();
|
|
}
|
|
|
|
public FlowBlock getNextFlowBlock(StructuredBlock subBlock) {
|
|
/*XXX*/
|
|
return getNextFlowBlock();
|
|
}
|
|
|
|
/**
|
|
* Returns all sub block of this structured block.
|
|
*/
|
|
public StructuredBlock[] getSubBlocks() {
|
|
return caseBlocks;
|
|
}
|
|
}
|
|
|
|
|