Package jadx.core.dex.nodes

Examples of jadx.core.dex.nodes.InsnNode

85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
    BlockNode block = mth.getBasicBlocks().get(0);
    List<InsnNode> instructions = block.getInstructions();
    if (instructions.isEmpty()) {
      return false;
    }
    InsnNode insn = instructions.get(0);
    if (insn.getType() != InsnType.IPUT) {
      return false;
    }
    IndexInsnNode putInsn = (IndexInsnNode) insn;
    FieldInfo fieldInfo = (FieldInfo) putInsn.getIndex();
    if (!fieldInfo.equals(field.getFieldInfo()) || !putInsn.getArg(0).equals(arg)) {
      return false;
    }
    mth.removeFirstArgument();
    InstructionRemover.remove(mth, block, insn);
    // other arg usage -> wrap with IGET insn
    if (arg.getSVar().getUseCount() != 0) {
      InsnNode iget = new IndexInsnNode(InsnType.IGET, fieldInfo, 1);
      iget.addArg(insn.getArg(1));
      for (InsnArg insnArg : arg.getSVar().getUseList()) {
        insnArg.wrapInstruction(iget);
      }
    }
    return true;
View Full Code Here
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
    BlockNode eb = getTernaryInsnBlock(elseRegion);
    if (tb == null || eb == null) {
      return false;
    }
    BlockNode header = ifRegion.getHeader();
    InsnNode t = tb.getInstructions().get(0);
    InsnNode e = eb.getInstructions().get(0);

    if (t.getSourceLine() != e.getSourceLine()) {
      if (t.getSourceLine() != 0 && e.getSourceLine() != 0) {
        // sometimes source lines incorrect
        if (!checkLineStats(t, e)) {
          return false;
        }
      } else {
        // no debug info
        if (containsTernary(t) || containsTernary(e)) {
          // don't make nested ternary by default
          // TODO: add addition checks
          return false;
        }
      }
    }

    if (t.getResult() != null && e.getResult() != null) {
      PhiInsn phi = t.getResult().getSVar().getUsedInPhi();
      if (phi == null || !t.getResult().equalRegisterAndType(e.getResult())) {
        return false;
      }
      if (!ifRegion.getParent().replaceSubBlock(ifRegion, header)) {
        return false;
      }
      InsnList.remove(tb, t);
      InsnList.remove(eb, e);

      RegisterArg resArg;
      if (phi.getArgsCount() == 2) {
        resArg = phi.getResult();
      } else {
        resArg = t.getResult();
        phi.removeArg(e.getResult());
      }
      TernaryInsn ternInsn = new TernaryInsn(ifRegion.getCondition(),
          resArg, InsnArg.wrapArg(t), InsnArg.wrapArg(e));
      ternInsn.setSourceLine(t.getSourceLine());

      // remove 'if' instruction
      header.getInstructions().clear();
      header.getInstructions().add(ternInsn);

      // shrink method again
      CodeShrinker.shrinkMethod(mth);
      return true;
    }

    if (!mth.getReturnType().equals(ArgType.VOID)
        && t.getType() == InsnType.RETURN && e.getType() == InsnType.RETURN) {

      if (!ifRegion.getParent().replaceSubBlock(ifRegion, header)) {
        return false;
      }
      InsnList.remove(tb, t);
      InsnList.remove(eb, e);
      tb.remove(AFlag.RETURN);
      eb.remove(AFlag.RETURN);

      TernaryInsn ternInsn = new TernaryInsn(ifRegion.getCondition(), null, t.getArg(0), e.getArg(0));
      ternInsn.setSourceLine(t.getSourceLine());
      InsnNode retInsn = new InsnNode(InsnType.RETURN, 1);
      retInsn.addArg(InsnArg.wrapArg(ternInsn));

      header.getInstructions().clear();
      header.getInstructions().add(retInsn);
      header.add(AFlag.RETURN);
View Full Code Here
137
138
139
140
141
142
143
144
145
146
147
      return true;
    }
    for (int i = 0; i < insn.getArgsCount(); i++) {
      InsnArg arg = insn.getArg(i);
      if (arg.isInsnWrap()) {
        InsnNode wrapInsn = ((InsnWrapArg) arg).getWrapInsn();
        if (containsTernary(wrapInsn)) {
          return true;
        }
      }
    }
View Full Code Here
203
204
205
206
207
208
209
210
211
212
213
214
        umIt.remove();
        continue;
      }

      // variable declared at 'catch' clause
      InsnNode parentInsn = u.getArg().getParentInsn();
      if (parentInsn == null || parentInsn.getType() == InsnType.MOVE_EXCEPTION) {
        umIt.remove();
      }
    }
    if (usageMap.isEmpty()) {
      return;
View Full Code Here
295
296
297
298
299
300
301
302
303
304
305
306
307
    return usage;
  }

  private static boolean declareAtAssign(Usage u) {
    RegisterArg arg = u.getArg();
    InsnNode parentInsn = arg.getParentInsn();
    if (!arg.equals(parentInsn.getResult())) {
      return false;
    }
    parentInsn.add(AFlag.DECLARE_VAR);
    processVar(arg);
    return true;
  }
View Full Code Here
127
128
129
130
131
132
133
134
135
136
137
138
    @Override
    public void processBlockTraced(MethodNode mth, IBlock container, IRegion curRegion) {
      regionProcess(mth, curRegion);
      int len = container.getInstructions().size();
      for (int i = 0; i < len; i++) {
        InsnNode insn = container.getInstructions().get(i);
        if (insn.contains(AFlag.SKIP)) {
          continue;
        }
        args.clear();
        processInsn(insn, curRegion);
      }
View Full Code Here
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
   * Return constant value from register assign or null if not constant
   *
   * @return LiteralArg, String or ArgType
   */
  public Object getConstValue(DexNode dex) {
    InsnNode parInsn = getAssignInsn();
    if (parInsn == null) {
      return null;
    }
    InsnType insnType = parInsn.getType();
    switch (insnType) {
      case CONST:
        return parInsn.getArg(0);
      case CONST_STR:
        return ((ConstStringNode) parInsn).getString();
      case CONST_CLASS:
        return ((ConstClassNode) parInsn).getClsType();
      case SGET:
View Full Code Here
125
126
127
128
129
130
131
132
133
134
135
136
137
  public boolean isThis() {
    if ("this".equals(getName())) {
      return true;
    }
    // maybe it was moved from 'this' register
    InsnNode ai = getAssignInsn();
    if (ai != null && ai.getType() == InsnType.MOVE) {
      InsnArg arg = ai.getArg(0);
      if (arg != this) {
        return arg.isThis();
      }
    }
    return false;
View Full Code Here
147
148
149
150
151
152
153
154
155
156
157
  public InsnNode getPhiAssignInsn() {
    PhiInsn usePhi = sVar.getUsedInPhi();
    if (usePhi != null) {
      return usePhi;
    }
    InsnNode parent = sVar.getAssign().getParentInsn();
    if (parent != null && parent.getType() == InsnType.PHI) {
      return parent;
    }
    return null;
  }
View Full Code Here
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
  public void setParentInsn(InsnNode parentInsn) {
    this.parentInsn = parentInsn;
  }

  public InsnArg wrapInstruction(InsnNode insn) {
    InsnNode parent = parentInsn;
    if (parent == null) {
      return null;
    }
    if (parent == insn) {
      LOG.debug("Can't wrap instruction info itself: {}", insn);
      Thread.dumpStack();
      return null;
    }
    int i = getArgIndex(parent, this);
    if (i == -1) {
      return null;
    }
    insn.add(AFlag.WRAPPED);
    InsnArg arg = wrapArg(insn);
    parent.setArg(i, arg);
    return arg;
  }
View Full Code Here
TOP

Related Classes of jadx.core.dex.nodes.InsnNode

  • jadx.core.codegen.ConditionGen
  • jadx.core.codegen.InsnGen
  • jadx.core.codegen.NameGen
  • jadx.core.codegen.RegionGen
  • jadx.core.dex.instructions.args.InsnArg
  • jadx.core.dex.instructions.args.RegisterArg
  • jadx.core.dex.instructions.InsnDecoder
  • jadx.core.dex.nodes.parser.DebugInfoParser
  • jadx.core.dex.regions.conditions.IfCondition
  • jadx.core.dex.regions.loops.LoopRegion
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.