internal/util/InstructionFinder.java

22  * InstructionFinder is a tool to search for given instructions patterns, i.e.,
30  * package to search for regular expressions.
40  *   for (Iterator i = f.search(pat, constraint); i.hasNext(); ) {
67      *          instruction list to search for given patterns
159      * Search for the given pattern in the instruction list. You can search for
175      * search(&quot;BranchInstruction NOP ((IfInstruction|GOTO)+ ISTORE Instruction)*&quot;);
181      * search() again, because the matches are cached.
184      *          the instruction pattern to search for, where case is ignored
186      *          where to start the search in the instruction list
193     public final Iterator<InstructionHandle[]> search( final String pattern,
195         final String search = compilePattern(pattern);
199                 start = i; // Where to start search from (index)
207         final Pattern regex = Pattern.compile(search);
225      * Start search beginning from the start of the given instruction list.
228      *          the instruction pattern to search for, where case is ignored
232     public final Iterator<InstructionHandle[]> search( final String pattern ) {
233         return search(pattern, il.getStart(), null);
238      * Start search beginning from `from'.
241      *          the instruction pattern to search for, where case is ignored
243      *          where to start the search in the instruction list
247     public final Iterator<InstructionHandle[]> search( final String pattern,
249         return search(pattern, from, null);
254      * Start search beginning from the start of the given instruction list. Check
258      *          the instruction pattern to search for, case is ignored
263     public final Iterator<InstructionHandle[]> search( final String pattern,
265         return search(pattern, il.getStart(), constraint);