List of usage examples for org.objectweb.asm Opcodes ICONST_2
int ICONST_2
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From source file:org.adjective.stout.tools.StackVisualiserMethodVisitor.java
License:Apache License
public void visitInsn(int opcode) { switch (opcode) { case Opcodes.NOP: break;// w w w .j a v a2 s. c o m case Opcodes.ACONST_NULL: push("null", Object.class); break; case Opcodes.ICONST_M1: case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: push(Integer.toString(opcode - Opcodes.ICONST_0), Type.INT_TYPE); break; case Opcodes.LCONST_0: case Opcodes.LCONST_1: push(Integer.toString(opcode - Opcodes.LCONST_0), Type.LONG_TYPE); break; case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: push(Integer.toString(opcode - Opcodes.FCONST_0), Type.FLOAT_TYPE); break; case Opcodes.DCONST_0: case Opcodes.DCONST_1: push(Integer.toString(opcode - Opcodes.DCONST_0), Type.DOUBLE_TYPE); break; case Opcodes.IALOAD: case Opcodes.LALOAD: case Opcodes.FALOAD: case Opcodes.DALOAD: case Opcodes.AALOAD: case Opcodes.BALOAD: case Opcodes.CALOAD: case Opcodes.SALOAD: { Type opType = getType(Opcodes.IALOAD, opcode); StackValue idx = pop(Type.INT_TYPE); StackValue arr = popArray(opType); push(arr.description + "[" + idx.description + "]", opType); } break; case Opcodes.IASTORE: case Opcodes.LASTORE: case Opcodes.FASTORE: case Opcodes.DASTORE: case Opcodes.AASTORE: case Opcodes.BASTORE: case Opcodes.CASTORE: case Opcodes.SASTORE: { Type opType = getType(Opcodes.IASTORE, opcode); pop(opType); pop(Type.INT_TYPE); popArray(opType); } break; case Opcodes.POP: pop(); break; case Opcodes.POP2: pop(2); break; case Opcodes.DUP: push(peek()); break; case Opcodes.DUP2: push(peek(2)); push(peek(1)); break; case Opcodes.DUP_X1: { StackValue a = pop(); StackValue b = pop(); push(a); push(b); push(a); } break; case Opcodes.DUP_X2: { StackValue a = pop(); StackValue b = pop(); StackValue c = pop(); push(a); push(c); push(b); push(a); } break; case Opcodes.DUP2_X1: { StackValue a = popValue(false); StackValue b = pop(); StackValue c = pop(); push(b); push(a); push(c); push(b); push(a); } case Opcodes.DUP2_X2: { StackValue a = popValue(false); StackValue b = pop(); StackValue c = popValue(false); StackValue d = pop(); push(b); push(a); push(d); push(c); push(b); push(a); } break; case Opcodes.SWAP: { StackValue a = pop(); StackValue b = pop(); push(a); push(b); } break; case Opcodes.IADD: case Opcodes.LADD: case Opcodes.FADD: case Opcodes.DADD: math(Opcodes.IADD, opcode, "+"); break; case Opcodes.ISUB: case Opcodes.LSUB: case Opcodes.FSUB: case Opcodes.DSUB: math(Opcodes.ISUB, opcode, "-"); break; case Opcodes.IMUL: case Opcodes.LMUL: case Opcodes.FMUL: case Opcodes.DMUL: math(Opcodes.IMUL, opcode, "*"); break; case Opcodes.IDIV: case Opcodes.LDIV: case Opcodes.FDIV: case Opcodes.DDIV: math(Opcodes.IDIV, opcode, "/"); break; case Opcodes.IREM: case Opcodes.LREM: case Opcodes.FREM: case Opcodes.DREM: math(Opcodes.IREM, opcode, "%"); break; case Opcodes.IAND: case Opcodes.LAND: math(Opcodes.IAND, opcode, "&"); break; case Opcodes.IOR: case Opcodes.LOR: math(Opcodes.IOR, opcode, "|"); break; case Opcodes.IXOR: case Opcodes.LXOR: math(Opcodes.IXOR, opcode, "^"); break; case Opcodes.INEG: case Opcodes.LNEG: case Opcodes.FNEG: case Opcodes.DNEG: { Type type = getType(Opcodes.INEG, opcode); StackValue a = pop(type); push("-" + a.description, type); } break; case Opcodes.ISHL: case Opcodes.LSHL: { Type type = getType(Opcodes.ISHL, opcode); StackValue n = pop(Type.INT_TYPE); StackValue a = pop(type); push(a.description + "<<" + n.description, type); } break; case Opcodes.ISHR: case Opcodes.LSHR: { Type type = getType(Opcodes.ISHR, opcode); StackValue n = pop(Type.INT_TYPE); StackValue a = pop(type); push(a.description + ">>" + n.description, type); } break; case Opcodes.IUSHR: case Opcodes.LUSHR: { Type type = getType(Opcodes.IUSHR, opcode); StackValue n = pop(Type.INT_TYPE); StackValue a = pop(type); push(a.description + ">>>" + n.description, type); } case Opcodes.LCMP: { StackValue a = pop(Type.LONG_TYPE); StackValue b = pop(Type.LONG_TYPE); push(a.description + " cmp " + b.description + " {-1|0|1}", Type.LONG_TYPE); } break; case Opcodes.I2L: case Opcodes.I2F: case Opcodes.I2D: case Opcodes.L2I: case Opcodes.L2F: case Opcodes.L2D: case Opcodes.F2I: case Opcodes.F2L: case Opcodes.F2D: case Opcodes.D2I: case Opcodes.D2L: case Opcodes.D2F: case Opcodes.I2B: case Opcodes.I2C: case Opcodes.I2S: cast(opcode); break; case Opcodes.ARETURN: case Opcodes.ATHROW: popObject(); break; case Opcodes.RETURN: break; default: throw new IllegalArgumentException("Unsupported opcode " + opcode + " - " + OPCODES[opcode]); } print(opcode, ""); /* * FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, * FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, * MONITORENTER, or MONITOREXIT */ }
From source file:org.apache.drill.exec.compile.AsmUtil.java
License:Apache License
/** * Determine if the given opcode is a load of a constant (xCONST_y). * * @param opcode the opcode/*from w ww . j av a2 s.com*/ * @return true if the opcode is one of the constant loading ones, false otherwise */ public static boolean isXconst(final int opcode) { switch (opcode) { case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.ICONST_M1: case Opcodes.DCONST_0: case Opcodes.DCONST_1: case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.LCONST_0: case Opcodes.LCONST_1: return true; } return false; }
From source file:org.brutusin.instrumentation.utils.TreeInstructions.java
License:Apache License
public static AbstractInsnNode getPushInstruction(int value) { if (value == -1) { return new InsnNode(Opcodes.ICONST_M1); } else if (value == 0) { return new InsnNode(Opcodes.ICONST_0); } else if (value == 1) { return new InsnNode(Opcodes.ICONST_1); } else if (value == 2) { return new InsnNode(Opcodes.ICONST_2); } else if (value == 3) { return new InsnNode(Opcodes.ICONST_3); } else if (value == 4) { return new InsnNode(Opcodes.ICONST_4); } else if (value == 5) { return new InsnNode(Opcodes.ICONST_5); } else if ((value >= -128) && (value <= 127)) { return new IntInsnNode(Opcodes.BIPUSH, value); } else if ((value >= -32768) && (value <= 32767)) { return new IntInsnNode(Opcodes.SIPUSH, value); } else {/*from w w w . j a v a 2 s .c om*/ return new LdcInsnNode(value); } }
From source file:org.decojer.cavaj.readers.asm.ReadMethodVisitor.java
License:Open Source License
@Override public void visitInsn(final int opcode) { T t = null;//w w w .j a v a2 s . com int iValue = Integer.MIN_VALUE; Object oValue = null; switch (opcode) { case Opcodes.NOP: // nothing to do, ignore break; /******* * ADD * *******/ case Opcodes.DADD: t = T.DOUBLE; // fall through case Opcodes.FADD: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IADD: if (t == null) { t = T.INT; } // fall through case Opcodes.LADD: if (t == null) { t = T.LONG; } add(new ADD(this.ops.size(), opcode, this.line, t)); break; /********* * ALOAD * *********/ case Opcodes.AALOAD: t = T.REF; // fall through case Opcodes.BALOAD: if (t == null) { t = T.SMALL; } // fall through case Opcodes.CALOAD: if (t == null) { t = T.CHAR; } // fall through case Opcodes.DALOAD: if (t == null) { t = T.DOUBLE; } // fall through case Opcodes.FALOAD: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IALOAD: if (t == null) { t = T.INT; } // fall through case Opcodes.LALOAD: if (t == null) { t = T.LONG; } // fall through case Opcodes.SALOAD: if (t == null) { t = T.SHORT; } add(new ALOAD(this.ops.size(), opcode, this.line, t)); break; /******* * AND * *******/ case Opcodes.IAND: t = T.AINT; // fall through case Opcodes.LAND: if (t == null) { t = T.LONG; } add(new AND(this.ops.size(), opcode, this.line, t)); break; /*************** * ARRAYLENGTH * ***************/ case Opcodes.ARRAYLENGTH: add(new ARRAYLENGTH(this.ops.size(), opcode, this.line)); break; /********** * ASTORE * **********/ case Opcodes.AASTORE: t = T.REF; // fall through case Opcodes.BASTORE: if (t == null) { t = T.SMALL; } // fall through case Opcodes.CASTORE: if (t == null) { t = T.CHAR; } // fall through case Opcodes.DASTORE: if (t == null) { t = T.DOUBLE; } // fall through case Opcodes.FASTORE: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IASTORE: if (t == null) { t = T.INT; } // fall through case Opcodes.LASTORE: if (t == null) { t = T.LONG; } // fall through case Opcodes.SASTORE: if (t == null) { t = T.SHORT; } add(new ASTORE(this.ops.size(), opcode, this.line, t)); break; /******** * CAST * ********/ case Opcodes.D2F: t = T.DOUBLE; oValue = T.FLOAT; // fall through case Opcodes.D2I: if (t == null) { t = T.DOUBLE; oValue = T.INT; } // fall through case Opcodes.D2L: if (t == null) { t = T.DOUBLE; oValue = T.LONG; } // fall through case Opcodes.F2D: if (t == null) { t = T.FLOAT; oValue = T.DOUBLE; } // fall through case Opcodes.F2I: if (t == null) { t = T.FLOAT; oValue = T.INT; } // fall through case Opcodes.F2L: if (t == null) { t = T.FLOAT; oValue = T.LONG; } // fall through case Opcodes.I2B: if (t == null) { t = T.INT; oValue = T.BYTE; } // fall through case Opcodes.I2C: if (t == null) { t = T.INT; oValue = T.CHAR; } // fall through case Opcodes.I2D: if (t == null) { t = T.INT; oValue = T.DOUBLE; } // fall through case Opcodes.I2F: if (t == null) { t = T.INT; oValue = T.FLOAT; } // fall through case Opcodes.I2L: if (t == null) { t = T.INT; oValue = T.LONG; } // fall through case Opcodes.I2S: if (t == null) { t = T.INT; oValue = T.SHORT; } // fall through case Opcodes.L2D: if (t == null) { t = T.LONG; oValue = T.DOUBLE; } // fall through case Opcodes.L2F: if (t == null) { t = T.LONG; oValue = T.FLOAT; } // fall through case Opcodes.L2I: if (t == null) { t = T.LONG; oValue = T.INT; } assert oValue instanceof T; add(new CAST(this.ops.size(), opcode, this.line, t, (T) oValue)); break; /******* * CMP * *******/ case Opcodes.DCMPG: t = T.DOUBLE; iValue = CMP.T_G; // fall through case Opcodes.DCMPL: if (t == null) { t = T.DOUBLE; iValue = CMP.T_L; } // fall through case Opcodes.FCMPG: if (t == null) { t = T.FLOAT; iValue = CMP.T_G; } // fall through case Opcodes.FCMPL: if (t == null) { t = T.FLOAT; iValue = CMP.T_L; } // fall through case Opcodes.LCMP: if (t == null) { t = T.LONG; iValue = CMP.T_0; } add(new CMP(this.ops.size(), opcode, this.line, t, iValue)); break; /******* * DIV * *******/ case Opcodes.DDIV: t = T.DOUBLE; // fall through case Opcodes.FDIV: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IDIV: if (t == null) { t = T.INT; } // fall through case Opcodes.LDIV: if (t == null) { t = T.LONG; } add(new DIV(this.ops.size(), opcode, this.line, t)); break; /******* * DUP * *******/ case Opcodes.DUP: oValue = DUP.Kind.DUP; // fall through case Opcodes.DUP_X1: if (oValue == null) { oValue = DUP.Kind.DUP_X1; } // fall through case Opcodes.DUP_X2: if (oValue == null) { oValue = DUP.Kind.DUP_X2; } // fall through case Opcodes.DUP2: if (oValue == null) { oValue = DUP.Kind.DUP2; } // fall through case Opcodes.DUP2_X1: if (oValue == null) { oValue = DUP.Kind.DUP2_X1; } // fall through case Opcodes.DUP2_X2: if (oValue == null) { oValue = DUP.Kind.DUP2_X2; } add(new DUP(this.ops.size(), opcode, this.line, (DUP.Kind) oValue)); break; /*********** * MONITOR * ***********/ case Opcodes.MONITORENTER: oValue = MONITOR.Kind.ENTER; // fall through case Opcodes.MONITOREXIT: if (oValue == null) { oValue = MONITOR.Kind.EXIT; } add(new MONITOR(this.ops.size(), opcode, this.line, (MONITOR.Kind) oValue)); break; /******* * MUL * *******/ case Opcodes.DMUL: t = T.DOUBLE; // fall through case Opcodes.FMUL: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IMUL: if (t == null) { t = T.INT; } // fall through case Opcodes.LMUL: if (t == null) { t = T.LONG; } add(new MUL(this.ops.size(), opcode, this.line, t)); break; /******* * NEG * *******/ case Opcodes.DNEG: t = T.DOUBLE; // fall through case Opcodes.FNEG: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.INEG: if (t == null) { t = T.INT; } // fall through case Opcodes.LNEG: if (t == null) { t = T.LONG; } add(new NEG(this.ops.size(), opcode, this.line, t)); break; /****** * OR * ******/ case Opcodes.IOR: t = T.AINT; // fall through case Opcodes.LOR: if (t == null) { t = T.LONG; } add(new OR(this.ops.size(), opcode, this.line, t)); break; /******* * POP * *******/ case Opcodes.POP: oValue = POP.Kind.POP; // fall through case Opcodes.POP2: if (oValue == null) { oValue = POP.Kind.POP2; } add(new POP(this.ops.size(), opcode, this.line, (POP.Kind) oValue)); break; /******** * PUSH * ********/ case Opcodes.ACONST_NULL: t = T.REF; // fall through case Opcodes.DCONST_0: if (t == null) { oValue = 0D; t = T.DOUBLE; } // fall through case Opcodes.FCONST_0: if (t == null) { oValue = 0F; t = T.FLOAT; } // fall through case Opcodes.ICONST_0: if (t == null) { oValue = 0; t = T.getJvmIntT(0); } // fall through case Opcodes.LCONST_0: if (t == null) { oValue = 0L; t = T.LONG; } // fall through case Opcodes.DCONST_1: if (t == null) { oValue = 1D; t = T.DOUBLE; } // fall through case Opcodes.FCONST_1: if (t == null) { oValue = 1F; t = T.FLOAT; } // fall through case Opcodes.ICONST_1: if (t == null) { oValue = 1; t = T.getJvmIntT(1); } // fall through case Opcodes.LCONST_1: if (t == null) { oValue = 1L; t = T.LONG; } // fall through case Opcodes.FCONST_2: if (t == null) { oValue = 2F; t = T.FLOAT; } // fall through case Opcodes.ICONST_2: if (t == null) { oValue = 2; t = T.getJvmIntT(2); } // fall through case Opcodes.ICONST_3: if (t == null) { oValue = 3; t = T.getJvmIntT(3); } // fall through case Opcodes.ICONST_4: if (t == null) { oValue = 4; t = T.getJvmIntT(4); } // fall through case Opcodes.ICONST_5: if (t == null) { oValue = 5; t = T.getJvmIntT(5); } // fall through case Opcodes.ICONST_M1: if (t == null) { oValue = -1; t = T.getJvmIntT(-1); } add(new PUSH(this.ops.size(), opcode, this.line, t, oValue)); break; /******* * REM * *******/ case Opcodes.DREM: t = T.DOUBLE; // fall through case Opcodes.FREM: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IREM: if (t == null) { t = T.INT; } // fall through case Opcodes.LREM: if (t == null) { t = T.LONG; } add(new REM(this.ops.size(), opcode, this.line, t)); break; /********** * RETURN * **********/ case Opcodes.ARETURN: t = T.REF; // fall through case Opcodes.DRETURN: if (t == null) { t = T.DOUBLE; } // fall through case Opcodes.FRETURN: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.IRETURN: if (t == null) { t = T.AINT; } // fall through case Opcodes.LRETURN: if (t == null) { t = T.LONG; } // fall through case Opcodes.RETURN: if (t == null) { t = T.VOID; } add(new RETURN(this.ops.size(), opcode, this.line, t)); break; /******* * SHL * *******/ case Opcodes.ISHL: t = T.INT; // fall through case Opcodes.LSHL: if (t == null) { t = T.LONG; } add(new SHL(this.ops.size(), opcode, this.line, t, T.INT)); break; /******* * SHR * *******/ case Opcodes.ISHR: case Opcodes.IUSHR: t = T.INT; // fall through case Opcodes.LSHR: case Opcodes.LUSHR: if (t == null) { t = T.LONG; } add(new SHR(this.ops.size(), opcode, this.line, t, T.INT, opcode == Opcodes.IUSHR || opcode == Opcodes.LUSHR)); break; /******* * SUB * *******/ case Opcodes.DSUB: t = T.DOUBLE; // fall through case Opcodes.FSUB: if (t == null) { t = T.FLOAT; } // fall through case Opcodes.ISUB: if (t == null) { t = T.INT; } // fall through case Opcodes.LSUB: if (t == null) { t = T.LONG; } add(new SUB(this.ops.size(), opcode, this.line, t)); break; /******** * SWAP * ********/ case Opcodes.SWAP: add(new SWAP(this.ops.size(), opcode, this.line)); break; /********* * THROW * *********/ case Opcodes.ATHROW: add(new THROW(this.ops.size(), opcode, this.line)); break; /******* * XOR * *******/ case Opcodes.IXOR: t = T.AINT; // fall through case Opcodes.LXOR: { if (t == null) { t = T.LONG; } add(new XOR(this.ops.size(), opcode, this.line, t)); break; } default: log.warn(getM() + ": Unknown insn opcode '" + opcode + "'!"); } }
From source file:org.evosuite.graphs.cfg.ASMWrapper.java
License:Open Source License
/** * <p>//from w ww . j a v a2s . co m * isConstant * </p> * * @return a boolean. */ public boolean isConstant() { switch (asmNode.getOpcode()) { case Opcodes.LDC: case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.ICONST_M1: case Opcodes.LCONST_0: case Opcodes.LCONST_1: case Opcodes.DCONST_0: case Opcodes.DCONST_1: case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: case Opcodes.BIPUSH: case Opcodes.SIPUSH: return true; default: return false; } }
From source file:org.evosuite.instrumentation.mutation.ReplaceConstant.java
License:Open Source License
private Object getValue(AbstractInsnNode constant) { switch (constant.getOpcode()) { case Opcodes.LDC: return ((LdcInsnNode) constant).cst; case Opcodes.ICONST_0: return 0; case Opcodes.ICONST_1: return 1; case Opcodes.ICONST_2: return 2; case Opcodes.ICONST_3: return 3; case Opcodes.ICONST_4: return 4; case Opcodes.ICONST_5: return 5; case Opcodes.ICONST_M1: return -1; case Opcodes.LCONST_0: return 0L; case Opcodes.LCONST_1: return 1L; case Opcodes.DCONST_0: return 0.0; case Opcodes.DCONST_1: return 1.0; case Opcodes.FCONST_0: return 0.0F; case Opcodes.FCONST_1: return 1.0F; case Opcodes.FCONST_2: return 2.0F; case Opcodes.SIPUSH: return ((IntInsnNode) constant).operand; case Opcodes.BIPUSH: return ((IntInsnNode) constant).operand; default:/*from w w w . j a va 2s . com*/ throw new RuntimeException("Unknown constant: " + constant.getOpcode()); } }
From source file:org.evosuite.seeding.PrimitivePoolMethodAdapter.java
License:Open Source License
@Override public void visitInsn(int opcode) { Object constant = null;/* www . ja va 2 s.c om*/ switch (opcode) { case Opcodes.ICONST_0: constant = 0; break; case Opcodes.ICONST_1: constant = 1; break; case Opcodes.ICONST_2: constant = 2; break; case Opcodes.ICONST_3: constant = 3; break; case Opcodes.ICONST_4: constant = 4; break; case Opcodes.ICONST_5: constant = 5; break; case Opcodes.ICONST_M1: constant = -1; break; case Opcodes.LCONST_0: constant = 0L; break; case Opcodes.LCONST_1: constant = 1L; break; case Opcodes.DCONST_0: constant = 0.0; break; case Opcodes.DCONST_1: constant = 1.0; break; case Opcodes.FCONST_0: constant = 0f; break; case Opcodes.FCONST_1: constant = 1f; break; case Opcodes.FCONST_2: constant = 2f; break; } if (constant != null) { if (DependencyAnalysis.isTargetClassName(className)) { poolManager.addSUTConstant(constant); } else { poolManager.addNonSUTConstant(constant); } } super.visitInsn(opcode); }
From source file:org.friz.bytecode.insn.InsnNodeUtility.java
License:Open Source License
/** * Creates a numeric push instruction.// w ww. ja v a 2s . co m * @param num The number to push. * @return The instruction node. */ public static AbstractInsnNode createNumericPushInsn(Number num) { long value = num.longValue(); if (value == -1) { return new InsnNode(Opcodes.ICONST_M1); } else if (value == 0) { return new InsnNode(Opcodes.ICONST_0); } else if (value == 1) { return new InsnNode(Opcodes.ICONST_1); } else if (value == 2) { return new InsnNode(Opcodes.ICONST_2); } else if (value == 3) { return new InsnNode(Opcodes.ICONST_3); } else if (value == 4) { return new InsnNode(Opcodes.ICONST_4); } else if (value == 5) { return new InsnNode(Opcodes.ICONST_5); } else if (value >= Byte.MIN_VALUE && value <= Byte.MAX_VALUE) { return new IntInsnNode(Opcodes.BIPUSH, (int) value); } else if (value >= Short.MIN_VALUE && value <= Short.MAX_VALUE) { return new IntInsnNode(Opcodes.SIPUSH, (int) value); } else if (value >= Integer.MIN_VALUE && value <= Integer.MAX_VALUE) { return new LdcInsnNode((int) value); } else { return new LdcInsnNode(/*(long)*/ value); } }
From source file:org.friz.bytecode.insn.InsnNodeUtility.java
License:Open Source License
/** * Reads the value of a numeric push instruction (which can be an * {@code ICONST_*} instruction, an {@code BIPUSH} instruction, an * {@code SIPUSH} instruction or a {@code LDC_*} instruction. * @param push The instruction node./* w w w. j av a2s. c o m*/ * @return The numeric value. */ public static long getNumericPushValue(AbstractInsnNode push) { if (push instanceof InsnNode) { switch (push.getOpcode()) { case Opcodes.ICONST_M1: return -1; case Opcodes.ICONST_0: return 0; case Opcodes.ICONST_1: return 1; case Opcodes.ICONST_2: return 2; case Opcodes.ICONST_3: return 3; case Opcodes.ICONST_4: return 4; case Opcodes.ICONST_5: return 5; default: throw new AssertionError(); } } else if (push instanceof IntInsnNode) { return ((IntInsnNode) push).operand; } else { return ((Number) ((LdcInsnNode) push).cst).longValue(); } }
From source file:org.glassfish.pfl.tf.spi.Util.java
License:Open Source License
public void emitIntConstant(MethodVisitor mv, int val) { info(2, "Emitting constant " + val); if (val <= 5) { switch (val) { case 0:/*from w w w.ja v a2s . co m*/ mv.visitInsn(Opcodes.ICONST_0); break; case 1: mv.visitInsn(Opcodes.ICONST_1); break; case 2: mv.visitInsn(Opcodes.ICONST_2); break; case 3: mv.visitInsn(Opcodes.ICONST_3); break; case 4: mv.visitInsn(Opcodes.ICONST_4); break; case 5: mv.visitInsn(Opcodes.ICONST_5); break; } } else { mv.visitLdcInsn(val); } }