diff options
Diffstat (limited to 'dx/src/com/android/dx/rop/code/Rops.java')
-rw-r--r-- | dx/src/com/android/dx/rop/code/Rops.java | 2090 |
1 files changed, 2090 insertions, 0 deletions
diff --git a/dx/src/com/android/dx/rop/code/Rops.java b/dx/src/com/android/dx/rop/code/Rops.java new file mode 100644 index 0000000..c1f4f46 --- /dev/null +++ b/dx/src/com/android/dx/rop/code/Rops.java @@ -0,0 +1,2090 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.dx.rop.code; + +import com.android.dx.rop.cst.Constant; +import com.android.dx.rop.cst.CstBaseMethodRef; +import com.android.dx.rop.cst.CstMethodRef; +import com.android.dx.rop.cst.CstType; +import com.android.dx.rop.type.Prototype; +import com.android.dx.rop.type.StdTypeList; +import com.android.dx.rop.type.Type; +import com.android.dx.rop.type.TypeBearer; +import com.android.dx.rop.type.TypeList; + +/** + * Standard instances of {@link Rop}. + */ +public final class Rops { + /** {@code nop()} */ + public static final Rop NOP = + new Rop(RegOps.NOP, Type.VOID, StdTypeList.EMPTY, "nop"); + + /** {@code r,x: int :: r = x;} */ + public static final Rop MOVE_INT = + new Rop(RegOps.MOVE, Type.INT, StdTypeList.INT, "move-int"); + + /** {@code r,x: long :: r = x;} */ + public static final Rop MOVE_LONG = + new Rop(RegOps.MOVE, Type.LONG, StdTypeList.LONG, "move-long"); + + /** {@code r,x: float :: r = x;} */ + public static final Rop MOVE_FLOAT = + new Rop(RegOps.MOVE, Type.FLOAT, StdTypeList.FLOAT, "move-float"); + + /** {@code r,x: double :: r = x;} */ + public static final Rop MOVE_DOUBLE = + new Rop(RegOps.MOVE, Type.DOUBLE, StdTypeList.DOUBLE, "move-double"); + + /** {@code r,x: Object :: r = x;} */ + public static final Rop MOVE_OBJECT = + new Rop(RegOps.MOVE, Type.OBJECT, StdTypeList.OBJECT, "move-object"); + + /** + * {@code r,x: ReturnAddress :: r = x;} + * + * Note that this rop-form instruction has no dex-form equivilent and + * must be removed before the dex conversion. + */ + public static final Rop MOVE_RETURN_ADDRESS = + new Rop(RegOps.MOVE, Type.RETURN_ADDRESS, + StdTypeList.RETURN_ADDRESS, "move-return-address"); + + /** {@code r,param(x): int :: r = param(x);} */ + public static final Rop MOVE_PARAM_INT = + new Rop(RegOps.MOVE_PARAM, Type.INT, StdTypeList.EMPTY, + "move-param-int"); + + /** {@code r,param(x): long :: r = param(x);} */ + public static final Rop MOVE_PARAM_LONG = + new Rop(RegOps.MOVE_PARAM, Type.LONG, StdTypeList.EMPTY, + "move-param-long"); + + /** {@code r,param(x): float :: r = param(x);} */ + public static final Rop MOVE_PARAM_FLOAT = + new Rop(RegOps.MOVE_PARAM, Type.FLOAT, StdTypeList.EMPTY, + "move-param-float"); + + /** {@code r,param(x): double :: r = param(x);} */ + public static final Rop MOVE_PARAM_DOUBLE = + new Rop(RegOps.MOVE_PARAM, Type.DOUBLE, StdTypeList.EMPTY, + "move-param-double"); + + /** {@code r,param(x): Object :: r = param(x);} */ + public static final Rop MOVE_PARAM_OBJECT = + new Rop(RegOps.MOVE_PARAM, Type.OBJECT, StdTypeList.EMPTY, + "move-param-object"); + + /** {@code r, literal: int :: r = literal;} */ + public static final Rop CONST_INT = + new Rop(RegOps.CONST, Type.INT, StdTypeList.EMPTY, "const-int"); + + /** {@code r, literal: long :: r = literal;} */ + public static final Rop CONST_LONG = + new Rop(RegOps.CONST, Type.LONG, StdTypeList.EMPTY, "const-long"); + + /** {@code r, literal: float :: r = literal;} */ + public static final Rop CONST_FLOAT = + new Rop(RegOps.CONST, Type.FLOAT, StdTypeList.EMPTY, "const-float"); + + /** {@code r, literal: double :: r = literal;} */ + public static final Rop CONST_DOUBLE = + new Rop(RegOps.CONST, Type.DOUBLE, StdTypeList.EMPTY, "const-double"); + + /** {@code r, literal: Object :: r = literal;} */ + public static final Rop CONST_OBJECT = + new Rop(RegOps.CONST, Type.OBJECT, StdTypeList.EMPTY, + Exceptions.LIST_Error, "const-object"); + + /** {@code r, literal: Object :: r = literal;} */ + public static final Rop CONST_OBJECT_NOTHROW = + new Rop(RegOps.CONST, Type.OBJECT, StdTypeList.EMPTY, + "const-object-nothrow"); + + /** {@code goto label} */ + public static final Rop GOTO = + new Rop(RegOps.GOTO, Type.VOID, StdTypeList.EMPTY, Rop.BRANCH_GOTO, + "goto"); + + /** {@code x: int :: if (x == 0) goto label} */ + public static final Rop IF_EQZ_INT = + new Rop(RegOps.IF_EQ, Type.VOID, StdTypeList.INT, Rop.BRANCH_IF, + "if-eqz-int"); + + /** {@code x: int :: if (x != 0) goto label} */ + public static final Rop IF_NEZ_INT = + new Rop(RegOps.IF_NE, Type.VOID, StdTypeList.INT, Rop.BRANCH_IF, + "if-nez-int"); + + /** {@code x: int :: if (x < 0) goto label} */ + public static final Rop IF_LTZ_INT = + new Rop(RegOps.IF_LT, Type.VOID, StdTypeList.INT, Rop.BRANCH_IF, + "if-ltz-int"); + + /** {@code x: int :: if (x >= 0) goto label} */ + public static final Rop IF_GEZ_INT = + new Rop(RegOps.IF_GE, Type.VOID, StdTypeList.INT, Rop.BRANCH_IF, + "if-gez-int"); + + /** {@code x: int :: if (x <= 0) goto label} */ + public static final Rop IF_LEZ_INT = + new Rop(RegOps.IF_LE, Type.VOID, StdTypeList.INT, Rop.BRANCH_IF, + "if-lez-int"); + + /** {@code x: int :: if (x > 0) goto label} */ + public static final Rop IF_GTZ_INT = + new Rop(RegOps.IF_GT, Type.VOID, StdTypeList.INT, Rop.BRANCH_IF, + "if-gtz-int"); + + /** {@code x: Object :: if (x == null) goto label} */ + public static final Rop IF_EQZ_OBJECT = + new Rop(RegOps.IF_EQ, Type.VOID, StdTypeList.OBJECT, Rop.BRANCH_IF, + "if-eqz-object"); + + /** {@code x: Object :: if (x != null) goto label} */ + public static final Rop IF_NEZ_OBJECT = + new Rop(RegOps.IF_NE, Type.VOID, StdTypeList.OBJECT, Rop.BRANCH_IF, + "if-nez-object"); + + /** {@code x,y: int :: if (x == y) goto label} */ + public static final Rop IF_EQ_INT = + new Rop(RegOps.IF_EQ, Type.VOID, StdTypeList.INT_INT, Rop.BRANCH_IF, + "if-eq-int"); + + /** {@code x,y: int :: if (x != y) goto label} */ + public static final Rop IF_NE_INT = + new Rop(RegOps.IF_NE, Type.VOID, StdTypeList.INT_INT, Rop.BRANCH_IF, + "if-ne-int"); + + /** {@code x,y: int :: if (x < y) goto label} */ + public static final Rop IF_LT_INT = + new Rop(RegOps.IF_LT, Type.VOID, StdTypeList.INT_INT, Rop.BRANCH_IF, + "if-lt-int"); + + /** {@code x,y: int :: if (x >= y) goto label} */ + public static final Rop IF_GE_INT = + new Rop(RegOps.IF_GE, Type.VOID, StdTypeList.INT_INT, Rop.BRANCH_IF, + "if-ge-int"); + + /** {@code x,y: int :: if (x <= y) goto label} */ + public static final Rop IF_LE_INT = + new Rop(RegOps.IF_LE, Type.VOID, StdTypeList.INT_INT, Rop.BRANCH_IF, + "if-le-int"); + + /** {@code x,y: int :: if (x > y) goto label} */ + public static final Rop IF_GT_INT = + new Rop(RegOps.IF_GT, Type.VOID, StdTypeList.INT_INT, Rop.BRANCH_IF, + "if-gt-int"); + + /** {@code x,y: Object :: if (x == y) goto label} */ + public static final Rop IF_EQ_OBJECT = + new Rop(RegOps.IF_EQ, Type.VOID, StdTypeList.OBJECT_OBJECT, + Rop.BRANCH_IF, "if-eq-object"); + + /** {@code x,y: Object :: if (x != y) goto label} */ + public static final Rop IF_NE_OBJECT = + new Rop(RegOps.IF_NE, Type.VOID, StdTypeList.OBJECT_OBJECT, + Rop.BRANCH_IF, "if-ne-object"); + + /** {@code x: int :: goto switchtable[x]} */ + public static final Rop SWITCH = + new Rop(RegOps.SWITCH, Type.VOID, StdTypeList.INT, Rop.BRANCH_SWITCH, + "switch"); + + /** {@code r,x,y: int :: r = x + y;} */ + public static final Rop ADD_INT = + new Rop(RegOps.ADD, Type.INT, StdTypeList.INT_INT, "add-int"); + + /** {@code r,x,y: long :: r = x + y;} */ + public static final Rop ADD_LONG = + new Rop(RegOps.ADD, Type.LONG, StdTypeList.LONG_LONG, "add-long"); + + /** {@code r,x,y: float :: r = x + y;} */ + public static final Rop ADD_FLOAT = + new Rop(RegOps.ADD, Type.FLOAT, StdTypeList.FLOAT_FLOAT, "add-float"); + + /** {@code r,x,y: double :: r = x + y;} */ + public static final Rop ADD_DOUBLE = + new Rop(RegOps.ADD, Type.DOUBLE, StdTypeList.DOUBLE_DOUBLE, + Rop.BRANCH_NONE, "add-double"); + + /** {@code r,x,y: int :: r = x - y;} */ + public static final Rop SUB_INT = + new Rop(RegOps.SUB, Type.INT, StdTypeList.INT_INT, "sub-int"); + + /** {@code r,x,y: long :: r = x - y;} */ + public static final Rop SUB_LONG = + new Rop(RegOps.SUB, Type.LONG, StdTypeList.LONG_LONG, "sub-long"); + + /** {@code r,x,y: float :: r = x - y;} */ + public static final Rop SUB_FLOAT = + new Rop(RegOps.SUB, Type.FLOAT, StdTypeList.FLOAT_FLOAT, "sub-float"); + + /** {@code r,x,y: double :: r = x - y;} */ + public static final Rop SUB_DOUBLE = + new Rop(RegOps.SUB, Type.DOUBLE, StdTypeList.DOUBLE_DOUBLE, + Rop.BRANCH_NONE, "sub-double"); + + /** {@code r,x,y: int :: r = x * y;} */ + public static final Rop MUL_INT = + new Rop(RegOps.MUL, Type.INT, StdTypeList.INT_INT, "mul-int"); + + /** {@code r,x,y: long :: r = x * y;} */ + public static final Rop MUL_LONG = + new Rop(RegOps.MUL, Type.LONG, StdTypeList.LONG_LONG, "mul-long"); + + /** {@code r,x,y: float :: r = x * y;} */ + public static final Rop MUL_FLOAT = + new Rop(RegOps.MUL, Type.FLOAT, StdTypeList.FLOAT_FLOAT, "mul-float"); + + /** {@code r,x,y: double :: r = x * y;} */ + public static final Rop MUL_DOUBLE = + new Rop(RegOps.MUL, Type.DOUBLE, StdTypeList.DOUBLE_DOUBLE, + Rop.BRANCH_NONE, "mul-double"); + + /** {@code r,x,y: int :: r = x / y;} */ + public static final Rop DIV_INT = + new Rop(RegOps.DIV, Type.INT, StdTypeList.INT_INT, + Exceptions.LIST_Error_ArithmeticException, "div-int"); + + /** {@code r,x,y: long :: r = x / y;} */ + public static final Rop DIV_LONG = + new Rop(RegOps.DIV, Type.LONG, StdTypeList.LONG_LONG, + Exceptions.LIST_Error_ArithmeticException, "div-long"); + + /** {@code r,x,y: float :: r = x / y;} */ + public static final Rop DIV_FLOAT = + new Rop(RegOps.DIV, Type.FLOAT, StdTypeList.FLOAT_FLOAT, "div-float"); + + /** {@code r,x,y: double :: r = x / y;} */ + public static final Rop DIV_DOUBLE = + new Rop(RegOps.DIV, Type.DOUBLE, StdTypeList.DOUBLE_DOUBLE, + "div-double"); + + /** {@code r,x,y: int :: r = x % y;} */ + public static final Rop REM_INT = + new Rop(RegOps.REM, Type.INT, StdTypeList.INT_INT, + Exceptions.LIST_Error_ArithmeticException, "rem-int"); + + /** {@code r,x,y: long :: r = x % y;} */ + public static final Rop REM_LONG = + new Rop(RegOps.REM, Type.LONG, StdTypeList.LONG_LONG, + Exceptions.LIST_Error_ArithmeticException, "rem-long"); + + /** {@code r,x,y: float :: r = x % y;} */ + public static final Rop REM_FLOAT = + new Rop(RegOps.REM, Type.FLOAT, StdTypeList.FLOAT_FLOAT, "rem-float"); + + /** {@code r,x,y: double :: r = x % y;} */ + public static final Rop REM_DOUBLE = + new Rop(RegOps.REM, Type.DOUBLE, StdTypeList.DOUBLE_DOUBLE, + "rem-double"); + + /** {@code r,x: int :: r = -x;} */ + public static final Rop NEG_INT = + new Rop(RegOps.NEG, Type.INT, StdTypeList.INT, "neg-int"); + + /** {@code r,x: long :: r = -x;} */ + public static final Rop NEG_LONG = + new Rop(RegOps.NEG, Type.LONG, StdTypeList.LONG, "neg-long"); + + /** {@code r,x: float :: r = -x;} */ + public static final Rop NEG_FLOAT = + new Rop(RegOps.NEG, Type.FLOAT, StdTypeList.FLOAT, "neg-float"); + + /** {@code r,x: double :: r = -x;} */ + public static final Rop NEG_DOUBLE = + new Rop(RegOps.NEG, Type.DOUBLE, StdTypeList.DOUBLE, "neg-double"); + + /** {@code r,x,y: int :: r = x & y;} */ + public static final Rop AND_INT = + new Rop(RegOps.AND, Type.INT, StdTypeList.INT_INT, "and-int"); + + /** {@code r,x,y: long :: r = x & y;} */ + public static final Rop AND_LONG = + new Rop(RegOps.AND, Type.LONG, StdTypeList.LONG_LONG, "and-long"); + + /** {@code r,x,y: int :: r = x | y;} */ + public static final Rop OR_INT = + new Rop(RegOps.OR, Type.INT, StdTypeList.INT_INT, "or-int"); + + /** {@code r,x,y: long :: r = x | y;} */ + public static final Rop OR_LONG = + new Rop(RegOps.OR, Type.LONG, StdTypeList.LONG_LONG, "or-long"); + + /** {@code r,x,y: int :: r = x ^ y;} */ + public static final Rop XOR_INT = + new Rop(RegOps.XOR, Type.INT, StdTypeList.INT_INT, "xor-int"); + + /** {@code r,x,y: long :: r = x ^ y;} */ + public static final Rop XOR_LONG = + new Rop(RegOps.XOR, Type.LONG, StdTypeList.LONG_LONG, "xor-long"); + + /** {@code r,x,y: int :: r = x << y;} */ + public static final Rop SHL_INT = + new Rop(RegOps.SHL, Type.INT, StdTypeList.INT_INT, "shl-int"); + + /** {@code r,x: long; y: int :: r = x << y;} */ + public static final Rop SHL_LONG = + new Rop(RegOps.SHL, Type.LONG, StdTypeList.LONG_INT, "shl-long"); + + /** {@code r,x,y: int :: r = x >> y;} */ + public static final Rop SHR_INT = + new Rop(RegOps.SHR, Type.INT, StdTypeList.INT_INT, "shr-int"); + + /** {@code r,x: long; y: int :: r = x >> y;} */ + public static final Rop SHR_LONG = + new Rop(RegOps.SHR, Type.LONG, StdTypeList.LONG_INT, "shr-long"); + + /** {@code r,x,y: int :: r = x >>> y;} */ + public static final Rop USHR_INT = + new Rop(RegOps.USHR, Type.INT, StdTypeList.INT_INT, "ushr-int"); + + /** {@code r,x: long; y: int :: r = x >>> y;} */ + public static final Rop USHR_LONG = + new Rop(RegOps.USHR, Type.LONG, StdTypeList.LONG_INT, "ushr-long"); + + /** {@code r,x: int :: r = ~x;} */ + public static final Rop NOT_INT = + new Rop(RegOps.NOT, Type.INT, StdTypeList.INT, "not-int"); + + /** {@code r,x: long :: r = ~x;} */ + public static final Rop NOT_LONG = + new Rop(RegOps.NOT, Type.LONG, StdTypeList.LONG, "not-long"); + + /** {@code r,x,c: int :: r = x + c;} */ + public static final Rop ADD_CONST_INT = + new Rop(RegOps.ADD, Type.INT, StdTypeList.INT, "add-const-int"); + + /** {@code r,x,c: long :: r = x + c;} */ + public static final Rop ADD_CONST_LONG = + new Rop(RegOps.ADD, Type.LONG, StdTypeList.LONG, "add-const-long"); + + /** {@code r,x,c: float :: r = x + c;} */ + public static final Rop ADD_CONST_FLOAT = + new Rop(RegOps.ADD, Type.FLOAT, StdTypeList.FLOAT, "add-const-float"); + + /** {@code r,x,c: double :: r = x + c;} */ + public static final Rop ADD_CONST_DOUBLE = + new Rop(RegOps.ADD, Type.DOUBLE, StdTypeList.DOUBLE, + "add-const-double"); + + /** {@code r,x,c: int :: r = x - c;} */ + public static final Rop SUB_CONST_INT = + new Rop(RegOps.SUB, Type.INT, StdTypeList.INT, "sub-const-int"); + + /** {@code r,x,c: long :: r = x - c;} */ + public static final Rop SUB_CONST_LONG = + new Rop(RegOps.SUB, Type.LONG, StdTypeList.LONG, "sub-const-long"); + + /** {@code r,x,c: float :: r = x - c;} */ + public static final Rop SUB_CONST_FLOAT = + new Rop(RegOps.SUB, Type.FLOAT, StdTypeList.FLOAT, "sub-const-float"); + + /** {@code r,x,c: double :: r = x - c;} */ + public static final Rop SUB_CONST_DOUBLE = + new Rop(RegOps.SUB, Type.DOUBLE, StdTypeList.DOUBLE, + "sub-const-double"); + + /** {@code r,x,c: int :: r = x * c;} */ + public static final Rop MUL_CONST_INT = + new Rop(RegOps.MUL, Type.INT, StdTypeList.INT, "mul-const-int"); + + /** {@code r,x,c: long :: r = x * c;} */ + public static final Rop MUL_CONST_LONG = + new Rop(RegOps.MUL, Type.LONG, StdTypeList.LONG, "mul-const-long"); + + /** {@code r,x,c: float :: r = x * c;} */ + public static final Rop MUL_CONST_FLOAT = + new Rop(RegOps.MUL, Type.FLOAT, StdTypeList.FLOAT, "mul-const-float"); + + /** {@code r,x,c: double :: r = x * c;} */ + public static final Rop MUL_CONST_DOUBLE = + new Rop(RegOps.MUL, Type.DOUBLE, StdTypeList.DOUBLE, + "mul-const-double"); + + /** {@code r,x,c: int :: r = x / c;} */ + public static final Rop DIV_CONST_INT = + new Rop(RegOps.DIV, Type.INT, StdTypeList.INT, + Exceptions.LIST_Error_ArithmeticException, "div-const-int"); + + /** {@code r,x,c: long :: r = x / c;} */ + public static final Rop DIV_CONST_LONG = + new Rop(RegOps.DIV, Type.LONG, StdTypeList.LONG, + Exceptions.LIST_Error_ArithmeticException, "div-const-long"); + + /** {@code r,x,c: float :: r = x / c;} */ + public static final Rop DIV_CONST_FLOAT = + new Rop(RegOps.DIV, Type.FLOAT, StdTypeList.FLOAT, "div-const-float"); + + /** {@code r,x,c: double :: r = x / c;} */ + public static final Rop DIV_CONST_DOUBLE = + new Rop(RegOps.DIV, Type.DOUBLE, StdTypeList.DOUBLE, + "div-const-double"); + + /** {@code r,x,c: int :: r = x % c;} */ + public static final Rop REM_CONST_INT = + new Rop(RegOps.REM, Type.INT, StdTypeList.INT, + Exceptions.LIST_Error_ArithmeticException, "rem-const-int"); + + /** {@code r,x,c: long :: r = x % c;} */ + public static final Rop REM_CONST_LONG = + new Rop(RegOps.REM, Type.LONG, StdTypeList.LONG, + Exceptions.LIST_Error_ArithmeticException, "rem-const-long"); + + /** {@code r,x,c: float :: r = x % c;} */ + public static final Rop REM_CONST_FLOAT = + new Rop(RegOps.REM, Type.FLOAT, StdTypeList.FLOAT, "rem-const-float"); + + /** {@code r,x,c: double :: r = x % c;} */ + public static final Rop REM_CONST_DOUBLE = + new Rop(RegOps.REM, Type.DOUBLE, StdTypeList.DOUBLE, + "rem-const-double"); + + /** {@code r,x,c: int :: r = x & c;} */ + public static final Rop AND_CONST_INT = + new Rop(RegOps.AND, Type.INT, StdTypeList.INT, "and-const-int"); + + /** {@code r,x,c: long :: r = x & c;} */ + public static final Rop AND_CONST_LONG = + new Rop(RegOps.AND, Type.LONG, StdTypeList.LONG, "and-const-long"); + + /** {@code r,x,c: int :: r = x | c;} */ + public static final Rop OR_CONST_INT = + new Rop(RegOps.OR, Type.INT, StdTypeList.INT, "or-const-int"); + + /** {@code r,x,c: long :: r = x | c;} */ + public static final Rop OR_CONST_LONG = + new Rop(RegOps.OR, Type.LONG, StdTypeList.LONG, "or-const-long"); + + /** {@code r,x,c: int :: r = x ^ c;} */ + public static final Rop XOR_CONST_INT = + new Rop(RegOps.XOR, Type.INT, StdTypeList.INT, "xor-const-int"); + + /** {@code r,x,c: long :: r = x ^ c;} */ + public static final Rop XOR_CONST_LONG = + new Rop(RegOps.XOR, Type.LONG, StdTypeList.LONG, "xor-const-long"); + + /** {@code r,x,c: int :: r = x << c;} */ + public static final Rop SHL_CONST_INT = + new Rop(RegOps.SHL, Type.INT, StdTypeList.INT, "shl-const-int"); + + /** {@code r,x: long; c: int :: r = x << c;} */ + public static final Rop SHL_CONST_LONG = + new Rop(RegOps.SHL, Type.LONG, StdTypeList.INT, "shl-const-long"); + + /** {@code r,x,c: int :: r = x >> c;} */ + public static final Rop SHR_CONST_INT = + new Rop(RegOps.SHR, Type.INT, StdTypeList.INT, "shr-const-int"); + + /** {@code r,x: long; c: int :: r = x >> c;} */ + public static final Rop SHR_CONST_LONG = + new Rop(RegOps.SHR, Type.LONG, StdTypeList.INT, "shr-const-long"); + + /** {@code r,x,c: int :: r = x >>> c;} */ + public static final Rop USHR_CONST_INT = + new Rop(RegOps.USHR, Type.INT, StdTypeList.INT, "ushr-const-int"); + + /** {@code r,x: long; c: int :: r = x >>> c;} */ + public static final Rop USHR_CONST_LONG = + new Rop(RegOps.USHR, Type.LONG, StdTypeList.INT, "ushr-const-long"); + + /** {@code r: int; x,y: long :: r = cmp(x, y);} */ + public static final Rop CMPL_LONG = + new Rop(RegOps.CMPL, Type.INT, StdTypeList.LONG_LONG, "cmpl-long"); + + /** {@code r: int; x,y: float :: r = cmpl(x, y);} */ + public static final Rop CMPL_FLOAT = + new Rop(RegOps.CMPL, Type.INT, StdTypeList.FLOAT_FLOAT, "cmpl-float"); + + /** {@code r: int; x,y: double :: r = cmpl(x, y);} */ + public static final Rop CMPL_DOUBLE = + new Rop(RegOps.CMPL, Type.INT, StdTypeList.DOUBLE_DOUBLE, + "cmpl-double"); + + /** {@code r: int; x,y: float :: r = cmpg(x, y);} */ + public static final Rop CMPG_FLOAT = + new Rop(RegOps.CMPG, Type.INT, StdTypeList.FLOAT_FLOAT, "cmpg-float"); + + /** {@code r: int; x,y: double :: r = cmpg(x, y);} */ + public static final Rop CMPG_DOUBLE = + new Rop(RegOps.CMPG, Type.INT, StdTypeList.DOUBLE_DOUBLE, + "cmpg-double"); + + /** {@code r: int; x: long :: r = (int) x} */ + public static final Rop CONV_L2I = + new Rop(RegOps.CONV, Type.INT, StdTypeList.LONG, "conv-l2i"); + + /** {@code r: int; x: float :: r = (int) x} */ + public static final Rop CONV_F2I = + new Rop(RegOps.CONV, Type.INT, StdTypeList.FLOAT, "conv-f2i"); + + /** {@code r: int; x: double :: r = (int) x} */ + public static final Rop CONV_D2I = + new Rop(RegOps.CONV, Type.INT, StdTypeList.DOUBLE, "conv-d2i"); + + /** {@code r: long; x: int :: r = (long) x} */ + public static final Rop CONV_I2L = + new Rop(RegOps.CONV, Type.LONG, StdTypeList.INT, "conv-i2l"); + + /** {@code r: long; x: float :: r = (long) x} */ + public static final Rop CONV_F2L = + new Rop(RegOps.CONV, Type.LONG, StdTypeList.FLOAT, "conv-f2l"); + + /** {@code r: long; x: double :: r = (long) x} */ + public static final Rop CONV_D2L = + new Rop(RegOps.CONV, Type.LONG, StdTypeList.DOUBLE, "conv-d2l"); + + /** {@code r: float; x: int :: r = (float) x} */ + public static final Rop CONV_I2F = + new Rop(RegOps.CONV, Type.FLOAT, StdTypeList.INT, "conv-i2f"); + + /** {@code r: float; x: long :: r = (float) x} */ + public static final Rop CONV_L2F = + new Rop(RegOps.CONV, Type.FLOAT, StdTypeList.LONG, "conv-l2f"); + + /** {@code r: float; x: double :: r = (float) x} */ + public static final Rop CONV_D2F = + new Rop(RegOps.CONV, Type.FLOAT, StdTypeList.DOUBLE, "conv-d2f"); + + /** {@code r: double; x: int :: r = (double) x} */ + public static final Rop CONV_I2D = + new Rop(RegOps.CONV, Type.DOUBLE, StdTypeList.INT, "conv-i2d"); + + /** {@code r: double; x: long :: r = (double) x} */ + public static final Rop CONV_L2D = + new Rop(RegOps.CONV, Type.DOUBLE, StdTypeList.LONG, "conv-l2d"); + + /** {@code r: double; x: float :: r = (double) x} */ + public static final Rop CONV_F2D = + new Rop(RegOps.CONV, Type.DOUBLE, StdTypeList.FLOAT, "conv-f2d"); + + /** + * {@code r,x: int :: r = (x << 24) >> 24} (Java-style + * convert int to byte) + */ + public static final Rop TO_BYTE = + new Rop(RegOps.TO_BYTE, Type.INT, StdTypeList.INT, "to-byte"); + + /** + * {@code r,x: int :: r = x & 0xffff} (Java-style + * convert int to char) + */ + public static final Rop TO_CHAR = + new Rop(RegOps.TO_CHAR, Type.INT, StdTypeList.INT, "to-char"); + + /** + * {@code r,x: int :: r = (x << 16) >> 16} (Java-style + * convert int to short) + */ + public static final Rop TO_SHORT = + new Rop(RegOps.TO_SHORT, Type.INT, StdTypeList.INT, "to-short"); + + /** {@code return void} */ + public static final Rop RETURN_VOID = + new Rop(RegOps.RETURN, Type.VOID, StdTypeList.EMPTY, Rop.BRANCH_RETURN, + "return-void"); + + /** {@code x: int; return x} */ + public static final Rop RETURN_INT = + new Rop(RegOps.RETURN, Type.VOID, StdTypeList.INT, Rop.BRANCH_RETURN, + "return-int"); + + /** {@code x: long; return x} */ + public static final Rop RETURN_LONG = + new Rop(RegOps.RETURN, Type.VOID, StdTypeList.LONG, Rop.BRANCH_RETURN, + "return-long"); + + /** {@code x: float; return x} */ + public static final Rop RETURN_FLOAT = + new Rop(RegOps.RETURN, Type.VOID, StdTypeList.FLOAT, Rop.BRANCH_RETURN, + "return-float"); + + /** {@code x: double; return x} */ + public static final Rop RETURN_DOUBLE = + new Rop(RegOps.RETURN, Type.VOID, StdTypeList.DOUBLE, + Rop.BRANCH_RETURN, "return-double"); + + /** {@code x: Object; return x} */ + public static final Rop RETURN_OBJECT = + new Rop(RegOps.RETURN, Type.VOID, StdTypeList.OBJECT, + Rop.BRANCH_RETURN, "return-object"); + + /** {@code T: any type; r: int; x: T[]; :: r = x.length} */ + public static final Rop ARRAY_LENGTH = + new Rop(RegOps.ARRAY_LENGTH, Type.INT, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, "array-length"); + + /** {@code x: Throwable :: throw(x)} */ + public static final Rop THROW = + new Rop(RegOps.THROW, Type.VOID, StdTypeList.THROWABLE, + StdTypeList.THROWABLE, "throw"); + + /** {@code x: Object :: monitorenter(x)} */ + public static final Rop MONITOR_ENTER = + new Rop(RegOps.MONITOR_ENTER, Type.VOID, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, "monitor-enter"); + + /** {@code x: Object :: monitorexit(x)} */ + public static final Rop MONITOR_EXIT = + new Rop(RegOps.MONITOR_EXIT, Type.VOID, StdTypeList.OBJECT, + Exceptions.LIST_Error_Null_IllegalMonitorStateException, + "monitor-exit"); + + /** {@code r,y: int; x: int[] :: r = x[y]} */ + public static final Rop AGET_INT = + new Rop(RegOps.AGET, Type.INT, StdTypeList.INTARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, + "aget-int"); + + /** {@code r: long; x: long[]; y: int :: r = x[y]} */ + public static final Rop AGET_LONG = + new Rop(RegOps.AGET, Type.LONG, StdTypeList.LONGARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, + "aget-long"); + + /** {@code r: float; x: float[]; y: int :: r = x[y]} */ + public static final Rop AGET_FLOAT = + new Rop(RegOps.AGET, Type.FLOAT, StdTypeList.FLOATARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, + "aget-float"); + + /** {@code r: double; x: double[]; y: int :: r = x[y]} */ + public static final Rop AGET_DOUBLE = + new Rop(RegOps.AGET, Type.DOUBLE, StdTypeList.DOUBLEARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, + "aget-double"); + + /** {@code r: Object; x: Object[]; y: int :: r = x[y]} */ + public static final Rop AGET_OBJECT = + new Rop(RegOps.AGET, Type.OBJECT, StdTypeList.OBJECTARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, + "aget-object"); + + /** {@code r: boolean; x: boolean[]; y: int :: r = x[y]} */ + public static final Rop AGET_BOOLEAN = + new Rop(RegOps.AGET, Type.INT, StdTypeList.BOOLEANARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, + "aget-boolean"); + + /** {@code r: byte; x: byte[]; y: int :: r = x[y]} */ + public static final Rop AGET_BYTE = + new Rop(RegOps.AGET, Type.INT, StdTypeList.BYTEARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, "aget-byte"); + + /** {@code r: char; x: char[]; y: int :: r = x[y]} */ + public static final Rop AGET_CHAR = + new Rop(RegOps.AGET, Type.INT, StdTypeList.CHARARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, "aget-char"); + + /** {@code r: short; x: short[]; y: int :: r = x[y]} */ + public static final Rop AGET_SHORT = + new Rop(RegOps.AGET, Type.INT, StdTypeList.SHORTARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, + "aget-short"); + + /** {@code x,z: int; y: int[] :: y[z] = x} */ + public static final Rop APUT_INT = + new Rop(RegOps.APUT, Type.VOID, StdTypeList.INT_INTARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, "aput-int"); + + /** {@code x: long; y: long[]; z: int :: y[z] = x} */ + public static final Rop APUT_LONG = + new Rop(RegOps.APUT, Type.VOID, StdTypeList.LONG_LONGARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, "aput-long"); + + /** {@code x: float; y: float[]; z: int :: y[z] = x} */ + public static final Rop APUT_FLOAT = + new Rop(RegOps.APUT, Type.VOID, StdTypeList.FLOAT_FLOATARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, + "aput-float"); + + /** {@code x: double; y: double[]; z: int :: y[z] = x} */ + public static final Rop APUT_DOUBLE = + new Rop(RegOps.APUT, Type.VOID, StdTypeList.DOUBLE_DOUBLEARR_INT, + Exceptions.LIST_Error_Null_ArrayIndexOutOfBounds, + "aput-double"); + + /** {@code x: Object; y: Object[]; z: int :: y[z] = x} */ + public static final Rop APUT_OBJECT = + new Rop(RegOps.APUT, Type.VOID, StdTypeList.OBJECT_OBJECTARR_INT, + Exceptions.LIST_Error_Null_ArrayIndex_ArrayStore, + "aput-object"); + + /** {@code x: boolean; y: boolean[]; z: int :: y[z] = x} */ + public static final Rop APUT_BOOLEAN = + new Rop(RegOps.APUT, Type.VOID, StdTypeList.INT_BOOLEANARR_INT, + Exceptions.LIST_Error_Null_ArrayIndex_ArrayStore, + "aput-boolean"); + + /** {@code x: byte; y: byte[]; z: int :: y[z] = x} */ + public static final Rop APUT_BYTE = + new Rop(RegOps.APUT, Type.VOID, StdTypeList.INT_BYTEARR_INT, + Exceptions.LIST_Error_Null_ArrayIndex_ArrayStore, "aput-byte"); + + /** {@code x: char; y: char[]; z: int :: y[z] = x} */ + public static final Rop APUT_CHAR = + new Rop(RegOps.APUT, Type.VOID, StdTypeList.INT_CHARARR_INT, + Exceptions.LIST_Error_Null_ArrayIndex_ArrayStore, "aput-char"); + + /** {@code x: short; y: short[]; z: int :: y[z] = x} */ + public static final Rop APUT_SHORT = + new Rop(RegOps.APUT, Type.VOID, StdTypeList.INT_SHORTARR_INT, + Exceptions.LIST_Error_Null_ArrayIndex_ArrayStore, + "aput-short"); + + /** + * {@code T: any non-array object type :: r = + * alloc(T)} (allocate heap space for an object) + */ + public static final Rop NEW_INSTANCE = + new Rop(RegOps.NEW_INSTANCE, Type.OBJECT, StdTypeList.EMPTY, + Exceptions.LIST_Error, "new-instance"); + + /** {@code r: int[]; x: int :: r = new int[x]} */ + public static final Rop NEW_ARRAY_INT = + new Rop(RegOps.NEW_ARRAY, Type.INT_ARRAY, StdTypeList.INT, + Exceptions.LIST_Error_NegativeArraySizeException, + "new-array-int"); + + /** {@code r: long[]; x: int :: r = new long[x]} */ + public static final Rop NEW_ARRAY_LONG = + new Rop(RegOps.NEW_ARRAY, Type.LONG_ARRAY, StdTypeList.INT, + Exceptions.LIST_Error_NegativeArraySizeException, + "new-array-long"); + + /** {@code r: float[]; x: int :: r = new float[x]} */ + public static final Rop NEW_ARRAY_FLOAT = + new Rop(RegOps.NEW_ARRAY, Type.FLOAT_ARRAY, StdTypeList.INT, + Exceptions.LIST_Error_NegativeArraySizeException, + "new-array-float"); + + /** {@code r: double[]; x: int :: r = new double[x]} */ + public static final Rop NEW_ARRAY_DOUBLE = + new Rop(RegOps.NEW_ARRAY, Type.DOUBLE_ARRAY, StdTypeList.INT, + Exceptions.LIST_Error_NegativeArraySizeException, + "new-array-double"); + + /** {@code r: boolean[]; x: int :: r = new boolean[x]} */ + public static final Rop NEW_ARRAY_BOOLEAN = + new Rop(RegOps.NEW_ARRAY, Type.BOOLEAN_ARRAY, StdTypeList.INT, + Exceptions.LIST_Error_NegativeArraySizeException, + "new-array-boolean"); + + /** {@code r: byte[]; x: int :: r = new byte[x]} */ + public static final Rop NEW_ARRAY_BYTE = + new Rop(RegOps.NEW_ARRAY, Type.BYTE_ARRAY, StdTypeList.INT, + Exceptions.LIST_Error_NegativeArraySizeException, + "new-array-byte"); + + /** {@code r: char[]; x: int :: r = new char[x]} */ + public static final Rop NEW_ARRAY_CHAR = + new Rop(RegOps.NEW_ARRAY, Type.CHAR_ARRAY, StdTypeList.INT, + Exceptions.LIST_Error_NegativeArraySizeException, + "new-array-char"); + + /** {@code r: short[]; x: int :: r = new short[x]} */ + public static final Rop NEW_ARRAY_SHORT = + new Rop(RegOps.NEW_ARRAY, Type.SHORT_ARRAY, StdTypeList.INT, + Exceptions.LIST_Error_NegativeArraySizeException, + "new-array-short"); + + /** + * {@code T: any non-array object type; x: Object :: (T) x} (can + * throw {@code ClassCastException}) + */ + public static final Rop CHECK_CAST = + new Rop(RegOps.CHECK_CAST, Type.VOID, StdTypeList.OBJECT, + Exceptions.LIST_Error_ClassCastException, "check-cast"); + + /** + * {@code T: any non-array object type; x: Object :: x instanceof + * T}. Note: This is listed as throwing {@code Error} + * explicitly because the op <i>can</i> throw, but there are no + * other predefined exceptions for it. + */ + public static final Rop INSTANCE_OF = + new Rop(RegOps.INSTANCE_OF, Type.INT, StdTypeList.OBJECT, + Exceptions.LIST_Error, "instance-of"); + + /** + * {@code r: int; x: Object; f: instance field spec of + * type int :: r = x.f} + */ + public static final Rop GET_FIELD_INT = + new Rop(RegOps.GET_FIELD, Type.INT, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, "get-field-int"); + + /** + * {@code r: long; x: Object; f: instance field spec of + * type long :: r = x.f} + */ + public static final Rop GET_FIELD_LONG = + new Rop(RegOps.GET_FIELD, Type.LONG, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, "get-field-long"); + + /** + * {@code r: float; x: Object; f: instance field spec of + * type float :: r = x.f} + */ + public static final Rop GET_FIELD_FLOAT = + new Rop(RegOps.GET_FIELD, Type.FLOAT, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, + "get-field-float"); + + /** + * {@code r: double; x: Object; f: instance field spec of + * type double :: r = x.f} + */ + public static final Rop GET_FIELD_DOUBLE = + new Rop(RegOps.GET_FIELD, Type.DOUBLE, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, + "get-field-double"); + + /** + * {@code r: Object; x: Object; f: instance field spec of + * type Object :: r = x.f} + */ + public static final Rop GET_FIELD_OBJECT = + new Rop(RegOps.GET_FIELD, Type.OBJECT, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, + "get-field-object"); + + /** + * {@code r: boolean; x: Object; f: instance field spec of + * type boolean :: r = x.f} + */ + public static final Rop GET_FIELD_BOOLEAN = + new Rop(RegOps.GET_FIELD, Type.INT, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, + "get-field-boolean"); + + /** + * {@code r: byte; x: Object; f: instance field spec of + * type byte :: r = x.f} + */ + public static final Rop GET_FIELD_BYTE = + new Rop(RegOps.GET_FIELD, Type.INT, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, + "get-field-byte"); + + /** + * {@code r: char; x: Object; f: instance field spec of + * type char :: r = x.f} + */ + public static final Rop GET_FIELD_CHAR = + new Rop(RegOps.GET_FIELD, Type.INT, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, + "get-field-char"); + + /** + * {@code r: short; x: Object; f: instance field spec of + * type short :: r = x.f} + */ + public static final Rop GET_FIELD_SHORT = + new Rop(RegOps.GET_FIELD, Type.INT, StdTypeList.OBJECT, + Exceptions.LIST_Error_NullPointerException, + "get-field-short"); + + /** {@code r: int; f: static field spec of type int :: r = f} */ + public static final Rop GET_STATIC_INT = + new Rop(RegOps.GET_STATIC, Type.INT, StdTypeList.EMPTY, + Exceptions.LIST_Error, "get-static-int"); + + /** {@code r: long; f: static field spec of type long :: r = f} */ + public static final Rop GET_STATIC_LONG = + new Rop(RegOps.GET_STATIC, Type.LONG, StdTypeList.EMPTY, + Exceptions.LIST_Error, "get-static-long"); + + /** {@code r: float; f: static field spec of type float :: r = f} */ + public static final Rop GET_STATIC_FLOAT = + new Rop(RegOps.GET_STATIC, Type.FLOAT, StdTypeList.EMPTY, + Exceptions.LIST_Error, "get-static-float"); + + /** {@code r: double; f: static field spec of type double :: r = f} */ + public static final Rop GET_STATIC_DOUBLE = + new Rop(RegOps.GET_STATIC, Type.DOUBLE, StdTypeList.EMPTY, + Exceptions.LIST_Error, "get-static-double"); + + /** {@code r: Object; f: static field spec of type Object :: r = f} */ + public static final Rop GET_STATIC_OBJECT = + new Rop(RegOps.GET_STATIC, Type.OBJECT, StdTypeList.EMPTY, + Exceptions.LIST_Error, "get-static-object"); + + /** {@code r: boolean; f: static field spec of type boolean :: r = f} */ + public static final Rop GET_STATIC_BOOLEAN = + new Rop(RegOps.GET_STATIC, Type.INT, StdTypeList.EMPTY, + Exceptions.LIST_Error, "get-field-boolean"); + + /** {@code r: byte; f: static field spec of type byte :: r = f} */ + public static final Rop GET_STATIC_BYTE = + new Rop(RegOps.GET_STATIC, Type.INT, StdTypeList.EMPTY, + Exceptions.LIST_Error, "get-field-byte"); + + /** {@code r: char; f: static field spec of type char :: r = f} */ + public static final Rop GET_STATIC_CHAR = + new Rop(RegOps.GET_STATIC, Type.INT, StdTypeList.EMPTY, + Exceptions.LIST_Error, "get-field-char"); + + /** {@code r: short; f: static field spec of type short :: r = f} */ + public static final Rop GET_STATIC_SHORT = + new Rop(RegOps.GET_STATIC, Type.INT, StdTypeList.EMPTY, + Exceptions.LIST_Error, "get-field-short"); + + /** + * {@code x: int; y: Object; f: instance field spec of type + * int :: y.f = x} + */ + public static final Rop PUT_FIELD_INT = + new Rop(RegOps.PUT_FIELD, Type.VOID, StdTypeList.INT_OBJECT, + Exceptions.LIST_Error_NullPointerException, "put-field-int"); + + /** + * {@code x: long; y: Object; f: instance field spec of type + * long :: y.f = x} + */ + public static final Rop PUT_FIELD_LONG = + new Rop(RegOps.PUT_FIELD, Type.VOID, StdTypeList.LONG_OBJECT, + Exceptions.LIST_Error_NullPointerException, "put-field-long"); + + /** + * {@code x: float; y: Object; f: instance field spec of type + * float :: y.f = x} + */ + public static final Rop PUT_FIELD_FLOAT = + new Rop(RegOps.PUT_FIELD, Type.VOID, StdTypeList.FLOAT_OBJECT, + Exceptions.LIST_Error_NullPointerException, + "put-field-float"); + + /** + * {@code x: double; y: Object; f: instance field spec of type + * double :: y.f = x} + */ + public static final Rop PUT_FIELD_DOUBLE = + new Rop(RegOps.PUT_FIELD, Type.VOID, StdTypeList.DOUBLE_OBJECT, + Exceptions.LIST_Error_NullPointerException, + "put-field-double"); + + /** + * {@code x: Object; y: Object; f: instance field spec of type + * Object :: y.f = x} + */ + public static final Rop PUT_FIELD_OBJECT = + new Rop(RegOps.PUT_FIELD, Type.VOID, StdTypeList.OBJECT_OBJECT, + Exceptions.LIST_Error_NullPointerException, + "put-field-object"); + + /** + * {@code x: int; y: Object; f: instance field spec of type + * boolean :: y.f = x} + */ + public static final Rop PUT_FIELD_BOOLEAN = + new Rop(RegOps.PUT_FIELD, Type.VOID, StdTypeList.INT_OBJECT, + Exceptions.LIST_Error_NullPointerException, + "put-field-boolean"); + + /** + * {@code x: int; y: Object; f: instance field spec of type + * byte :: y.f = x} + */ + public static final Rop PUT_FIELD_BYTE = + new Rop(RegOps.PUT_FIELD, Type.VOID, StdTypeList.INT_OBJECT, + Exceptions.LIST_Error_NullPointerException, + "put-field-byte"); + + /** + * {@code x: int; y: Object; f: instance field spec of type + * char :: y.f = x} + */ + public static final Rop PUT_FIELD_CHAR = + new Rop(RegOps.PUT_FIELD, Type.VOID, StdTypeList.INT_OBJECT, + Exceptions.LIST_Error_NullPointerException, + "put-field-char"); + + /** + * {@code x: int; y: Object; f: instance field spec of type + * short :: y.f = x} + */ + public static final Rop PUT_FIELD_SHORT = + new Rop(RegOps.PUT_FIELD, Type.VOID, StdTypeList.INT_OBJECT, + Exceptions.LIST_Error_NullPointerException, + "put-field-short"); + + /** {@code f: static field spec of type int; x: int :: f = x} */ + public static final Rop PUT_STATIC_INT = + new Rop(RegOps.PUT_STATIC, Type.VOID, StdTypeList.INT, + Exceptions.LIST_Error, "put-static-int"); + + /** {@code f: static field spec of type long; x: long :: f = x} */ + public static final Rop PUT_STATIC_LONG = + new Rop(RegOps.PUT_STATIC, Type.VOID, StdTypeList.LONG, + Exceptions.LIST_Error, "put-static-long"); + + /** {@code f: static field spec of type float; x: float :: f = x} */ + public static final Rop PUT_STATIC_FLOAT = + new Rop(RegOps.PUT_STATIC, Type.VOID, StdTypeList.FLOAT, + Exceptions.LIST_Error, "put-static-float"); + + /** {@code f: static field spec of type double; x: double :: f = x} */ + public static final Rop PUT_STATIC_DOUBLE = + new Rop(RegOps.PUT_STATIC, Type.VOID, StdTypeList.DOUBLE, + Exceptions.LIST_Error, "put-static-double"); + + /** {@code f: static field spec of type Object; x: Object :: f = x} */ + public static final Rop PUT_STATIC_OBJECT = + new Rop(RegOps.PUT_STATIC, Type.VOID, StdTypeList.OBJECT, + Exceptions.LIST_Error, "put-static-object"); + + /** + * {@code f: static field spec of type boolean; x: boolean :: f = + * x} + */ + public static final Rop PUT_STATIC_BOOLEAN = + new Rop(RegOps.PUT_STATIC, Type.VOID, StdTypeList.INT, + Exceptions.LIST_Error, "put-static-boolean"); + + /** {@code f: static field spec of type byte; x: byte :: f = x} */ + public static final Rop PUT_STATIC_BYTE = + new Rop(RegOps.PUT_STATIC, Type.VOID, StdTypeList.INT, + Exceptions.LIST_Error, "put-static-byte"); + + /** {@code f: static field spec of type char; x: char :: f = x} */ + public static final Rop PUT_STATIC_CHAR = + new Rop(RegOps.PUT_STATIC, Type.VOID, StdTypeList.INT, + Exceptions.LIST_Error, "put-static-char"); + + /** {@code f: static field spec of type short; x: short :: f = x} */ + public static final Rop PUT_STATIC_SHORT = + new Rop(RegOps.PUT_STATIC, Type.VOID, StdTypeList.INT, + Exceptions.LIST_Error, "put-static-short"); + + /** {@code x: Int :: local variable begins in x} */ + public static final Rop MARK_LOCAL_INT = + new Rop (RegOps.MARK_LOCAL, Type.VOID, + StdTypeList.INT, "mark-local-int"); + + /** {@code x: Long :: local variable begins in x} */ + public static final Rop MARK_LOCAL_LONG = + new Rop (RegOps.MARK_LOCAL, Type.VOID, + StdTypeList.LONG, "mark-local-long"); + + /** {@code x: Float :: local variable begins in x} */ + public static final Rop MARK_LOCAL_FLOAT = + new Rop (RegOps.MARK_LOCAL, Type.VOID, + StdTypeList.FLOAT, "mark-local-float"); + + /** {@code x: Double :: local variable begins in x} */ + public static final Rop MARK_LOCAL_DOUBLE = + new Rop (RegOps.MARK_LOCAL, Type.VOID, + StdTypeList.DOUBLE, "mark-local-double"); + + /** {@code x: Object :: local variable begins in x} */ + public static final Rop MARK_LOCAL_OBJECT = + new Rop (RegOps.MARK_LOCAL, Type.VOID, + StdTypeList.OBJECT, "mark-local-object"); + + /** {@code T: Any primitive type; v0..vx: T :: {v0, ..., vx}} */ + public static final Rop FILL_ARRAY_DATA = + new Rop(RegOps.FILL_ARRAY_DATA, Type.VOID, StdTypeList.EMPTY, + "fill-array-data"); + + /** + * Returns the appropriate rop for the given opcode, destination, + * and sources. The result is typically, but not necessarily, a + * shared instance. + * + * <p><b>Note:</b> This method does not do complete error checking on + * its arguments, and so it may return an instance which seemed "right + * enough" even though in actuality the passed arguments don't quite + * match what is returned. TODO: Revisit this issue.</p> + * + * @param opcode the opcode + * @param dest {@code non-null;} destination (result) type, or + * {@link Type#VOID} if none + * @param sources {@code non-null;} list of source types + * @param cst {@code null-ok;} associated constant, if any + * @return {@code non-null;} an appropriate instance + */ + public static Rop ropFor(int opcode, TypeBearer dest, TypeList sources, + Constant cst) { + switch (opcode) { + case RegOps.NOP: return NOP; + case RegOps.MOVE: return opMove(dest); + case RegOps.MOVE_PARAM: return opMoveParam(dest); + case RegOps.MOVE_EXCEPTION: return opMoveException(dest); + case RegOps.CONST: return opConst(dest); + case RegOps.GOTO: return GOTO; + case RegOps.IF_EQ: return opIfEq(sources); + case RegOps.IF_NE: return opIfNe(sources); + case RegOps.IF_LT: return opIfLt(sources); + case RegOps.IF_GE: return opIfGe(sources); + case RegOps.IF_LE: return opIfLe(sources); + case RegOps.IF_GT: return opIfGt(sources); + case RegOps.SWITCH: return SWITCH; + case RegOps.ADD: return opAdd(sources); + case RegOps.SUB: return opSub(sources); + case RegOps.MUL: return opMul(sources); + case RegOps.DIV: return opDiv(sources); + case RegOps.REM: return opRem(sources); + case RegOps.NEG: return opNeg(dest); + case RegOps.AND: return opAnd(sources); + case RegOps.OR: return opOr(sources); + case RegOps.XOR: return opXor(sources); + case RegOps.SHL: return opShl(sources); + case RegOps.SHR: return opShr(sources); + case RegOps.USHR: return opUshr(sources); + case RegOps.NOT: return opNot(dest); + case RegOps.CMPL: return opCmpl(sources.getType(0)); + case RegOps.CMPG: return opCmpg(sources.getType(0)); + case RegOps.CONV: return opConv(dest, sources.getType(0)); + case RegOps.TO_BYTE: return TO_BYTE; + case RegOps.TO_CHAR: return TO_CHAR; + case RegOps.TO_SHORT: return TO_SHORT; + case RegOps.RETURN: { + if (sources.size() == 0) { + return RETURN_VOID; + } + return opReturn(sources.getType(0)); + } + case RegOps.ARRAY_LENGTH: return ARRAY_LENGTH; + case RegOps.THROW: return THROW; + case RegOps.MONITOR_ENTER: return MONITOR_ENTER; + case RegOps.MONITOR_EXIT: return MONITOR_EXIT; + case RegOps.AGET: { + Type source = sources.getType(0); + Type componentType; + if (source == Type.KNOWN_NULL) { + /* + * Treat a known-null as an array of the expected + * result type. + */ + componentType = dest.getType(); + } else { + componentType = source.getComponentType(); + } + return opAget(componentType); + } + case RegOps.APUT: { + Type source = sources.getType(1); + Type componentType; + if (source == Type.KNOWN_NULL) { + /* + * Treat a known-null as an array of the type being + * stored. + */ + componentType = sources.getType(0); + } else { + componentType = source.getComponentType(); + } + return opAput(componentType); + } + case RegOps.NEW_INSTANCE: return NEW_INSTANCE; + case RegOps.NEW_ARRAY: return opNewArray(dest.getType()); + case RegOps.CHECK_CAST: return CHECK_CAST; + case RegOps.INSTANCE_OF: return INSTANCE_OF; + case RegOps.GET_FIELD: return opGetField(dest); + case RegOps.GET_STATIC: return opGetStatic(dest); + case RegOps.PUT_FIELD: return opPutField(sources.getType(0)); + case RegOps.PUT_STATIC: return opPutStatic(sources.getType(0)); + case RegOps.INVOKE_STATIC: { + return opInvokeStatic(((CstMethodRef) cst).getPrototype()); + } + case RegOps.INVOKE_VIRTUAL: { + CstBaseMethodRef cstMeth = (CstMethodRef) cst; + Prototype meth = cstMeth.getPrototype(); + CstType definer = cstMeth.getDefiningClass(); + meth = meth.withFirstParameter(definer.getClassType()); + return opInvokeVirtual(meth); + } + case RegOps.INVOKE_SUPER: { + CstBaseMethodRef cstMeth = (CstMethodRef) cst; + Prototype meth = cstMeth.getPrototype(); + CstType definer = cstMeth.getDefiningClass(); + meth = meth.withFirstParameter(definer.getClassType()); + return opInvokeSuper(meth); + } + case RegOps.INVOKE_DIRECT: { + CstBaseMethodRef cstMeth = (CstMethodRef) cst; + Prototype meth = cstMeth.getPrototype(); + CstType definer = cstMeth.getDefiningClass(); + meth = meth.withFirstParameter(definer.getClassType()); + return opInvokeDirect(meth); + } + case RegOps.INVOKE_INTERFACE: { + CstBaseMethodRef cstMeth = (CstMethodRef) cst; + Prototype meth = cstMeth.getPrototype(); + CstType definer = cstMeth.getDefiningClass(); + meth = meth.withFirstParameter(definer.getClassType()); + return opInvokeInterface(meth); + } + } + + throw new RuntimeException("unknown opcode " + RegOps.opName(opcode)); + } + + /** + * Returns the appropriate {@code move} rop for the given type. The + * result is a shared instance. + * + * @param type {@code non-null;} type of value being moved + * @return {@code non-null;} an appropriate instance + */ + public static Rop opMove(TypeBearer type) { + switch (type.getBasicFrameType()) { + case Type.BT_INT: return MOVE_INT; + case Type.BT_LONG: return MOVE_LONG; + case Type.BT_FLOAT: return MOVE_FLOAT; + case Type.BT_DOUBLE: return MOVE_DOUBLE; + case Type.BT_OBJECT: return MOVE_OBJECT; + case Type.BT_ADDR: return MOVE_RETURN_ADDRESS; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code move-param} rop for the + * given type. The result is a shared instance. + * + * @param type {@code non-null;} type of value being moved + * @return {@code non-null;} an appropriate instance + */ + public static Rop opMoveParam(TypeBearer type) { + switch (type.getBasicFrameType()) { + case Type.BT_INT: return MOVE_PARAM_INT; + case Type.BT_LONG: return MOVE_PARAM_LONG; + case Type.BT_FLOAT: return MOVE_PARAM_FLOAT; + case Type.BT_DOUBLE: return MOVE_PARAM_DOUBLE; + case Type.BT_OBJECT: return MOVE_PARAM_OBJECT; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code move-exception} rop for the + * given type. The result may be a shared instance. + * + * @param type {@code non-null;} type of the exception + * @return {@code non-null;} an appropriate instance + */ + public static Rop opMoveException(TypeBearer type) { + return new Rop(RegOps.MOVE_EXCEPTION, type.getType(), + StdTypeList.EMPTY, (String) null); + } + + /** + * Returns the appropriate {@code move-result} rop for the + * given type. The result may be a shared instance. + * + * @param type {@code non-null;} type of the parameter + * @return {@code non-null;} an appropriate instance + */ + public static Rop opMoveResult(TypeBearer type) { + return new Rop(RegOps.MOVE_RESULT, type.getType(), + StdTypeList.EMPTY, (String) null); + } + + /** + * Returns the appropriate {@code move-result-pseudo} rop for the + * given type. The result may be a shared instance. + * + * @param type {@code non-null;} type of the parameter + * @return {@code non-null;} an appropriate instance + */ + public static Rop opMoveResultPseudo(TypeBearer type) { + return new Rop(RegOps.MOVE_RESULT_PSEUDO, type.getType(), + StdTypeList.EMPTY, (String) null); + } + + /** + * Returns the appropriate {@code const} rop for the given + * type. The result is a shared instance. + * + * @param type {@code non-null;} type of the constant + * @return {@code non-null;} an appropriate instance + */ + public static Rop opConst(TypeBearer type) { + if (type.getType() == Type.KNOWN_NULL) { + return CONST_OBJECT_NOTHROW; + } + + switch (type.getBasicFrameType()) { + case Type.BT_INT: return CONST_INT; + case Type.BT_LONG: return CONST_LONG; + case Type.BT_FLOAT: return CONST_FLOAT; + case Type.BT_DOUBLE: return CONST_DOUBLE; + case Type.BT_OBJECT: return CONST_OBJECT; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code if-eq} rop for the given + * sources. The result is a shared instance. + * + * @param types {@code non-null;} source types + * @return {@code non-null;} an appropriate instance + */ + public static Rop opIfEq(TypeList types) { + return pickIf(types, IF_EQZ_INT, IF_EQZ_OBJECT, + IF_EQ_INT, IF_EQ_OBJECT); + } + + /** + * Returns the appropriate {@code if-ne} rop for the given + * sources. The result is a shared instance. + * + * @param types {@code non-null;} source types + * @return {@code non-null;} an appropriate instance + */ + public static Rop opIfNe(TypeList types) { + return pickIf(types, IF_NEZ_INT, IF_NEZ_OBJECT, + IF_NE_INT, IF_NE_OBJECT); + } + + /** + * Returns the appropriate {@code if-lt} rop for the given + * sources. The result is a shared instance. + * + * @param types {@code non-null;} source types + * @return {@code non-null;} an appropriate instance + */ + public static Rop opIfLt(TypeList types) { + return pickIf(types, IF_LTZ_INT, null, IF_LT_INT, null); + } + + /** + * Returns the appropriate {@code if-ge} rop for the given + * sources. The result is a shared instance. + * + * @param types {@code non-null;} source types + * @return {@code non-null;} an appropriate instance + */ + public static Rop opIfGe(TypeList types) { + return pickIf(types, IF_GEZ_INT, null, IF_GE_INT, null); + } + + /** + * Returns the appropriate {@code if-gt} rop for the given + * sources. The result is a shared instance. + * + * @param types {@code non-null;} source types + * @return {@code non-null;} an appropriate instance + */ + public static Rop opIfGt(TypeList types) { + return pickIf(types, IF_GTZ_INT, null, IF_GT_INT, null); + } + + /** + * Returns the appropriate {@code if-le} rop for the given + * sources. The result is a shared instance. + * + * @param types {@code non-null;} source types + * @return {@code non-null;} an appropriate instance + */ + public static Rop opIfLe(TypeList types) { + return pickIf(types, IF_LEZ_INT, null, IF_LE_INT, null); + } + + /** + * Helper for all the {@code if*}-related methods, which + * checks types and picks one of the four variants, throwing if + * there's a problem. + * + * @param types {@code non-null;} the types + * @param intZ {@code non-null;} the int-to-0 comparison + * @param objZ {@code null-ok;} the object-to-null comparison + * @param intInt {@code non-null;} the int-to-int comparison + * @param objObj {@code non-null;} the object-to-object comparison + * @return {@code non-null;} the appropriate instance + */ + private static Rop pickIf(TypeList types, Rop intZ, Rop objZ, Rop intInt, + Rop objObj) { + switch(types.size()) { + case 1: { + switch (types.getType(0).getBasicFrameType()) { + case Type.BT_INT: { + return intZ; + } + case Type.BT_OBJECT: { + if (objZ != null) { + return objZ; + } + } + } + break; + } + case 2: { + int bt = types.getType(0).getBasicFrameType(); + if (bt == types.getType(1).getBasicFrameType()) { + switch (bt) { + case Type.BT_INT: { + return intInt; + } + case Type.BT_OBJECT: { + if (objObj != null) { + return objObj; + } + } + } + } + break; + } + } + + return throwBadTypes(types); + } + + /** + * Returns the appropriate {@code add} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opAdd(TypeList types) { + return pickBinaryOp(types, ADD_CONST_INT, ADD_CONST_LONG, + ADD_CONST_FLOAT, ADD_CONST_DOUBLE, ADD_INT, + ADD_LONG, ADD_FLOAT, ADD_DOUBLE); + } + + /** + * Returns the appropriate {@code sub} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opSub(TypeList types) { + return pickBinaryOp(types, SUB_CONST_INT, SUB_CONST_LONG, + SUB_CONST_FLOAT, SUB_CONST_DOUBLE, SUB_INT, + SUB_LONG, SUB_FLOAT, SUB_DOUBLE); + } + + /** + * Returns the appropriate {@code mul} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opMul(TypeList types) { + return pickBinaryOp(types, MUL_CONST_INT, MUL_CONST_LONG, + MUL_CONST_FLOAT, MUL_CONST_DOUBLE, MUL_INT, + MUL_LONG, MUL_FLOAT, MUL_DOUBLE); + } + + /** + * Returns the appropriate {@code div} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opDiv(TypeList types) { + return pickBinaryOp(types, DIV_CONST_INT, DIV_CONST_LONG, + DIV_CONST_FLOAT, DIV_CONST_DOUBLE, DIV_INT, + DIV_LONG, DIV_FLOAT, DIV_DOUBLE); + } + + /** + * Returns the appropriate {@code rem} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opRem(TypeList types) { + return pickBinaryOp(types, REM_CONST_INT, REM_CONST_LONG, + REM_CONST_FLOAT, REM_CONST_DOUBLE, REM_INT, + REM_LONG, REM_FLOAT, REM_DOUBLE); + } + + /** + * Returns the appropriate {@code and} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opAnd(TypeList types) { + return pickBinaryOp(types, AND_CONST_INT, AND_CONST_LONG, null, null, + AND_INT, AND_LONG, null, null); + } + + /** + * Returns the appropriate {@code or} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opOr(TypeList types) { + return pickBinaryOp(types, OR_CONST_INT, OR_CONST_LONG, null, null, + OR_INT, OR_LONG, null, null); + } + + /** + * Returns the appropriate {@code xor} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opXor(TypeList types) { + return pickBinaryOp(types, XOR_CONST_INT, XOR_CONST_LONG, null, null, + XOR_INT, XOR_LONG, null, null); + } + + /** + * Returns the appropriate {@code shl} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opShl(TypeList types) { + return pickBinaryOp(types, SHL_CONST_INT, SHL_CONST_LONG, null, null, + SHL_INT, SHL_LONG, null, null); + } + + /** + * Returns the appropriate {@code shr} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opShr(TypeList types) { + return pickBinaryOp(types, SHR_CONST_INT, SHR_CONST_LONG, null, null, + SHR_INT, SHR_LONG, null, null); + } + + /** + * Returns the appropriate {@code ushr} rop for the given + * types. The result is a shared instance. + * + * @param types {@code non-null;} types of the sources + * @return {@code non-null;} an appropriate instance + */ + public static Rop opUshr(TypeList types) { + return pickBinaryOp(types, USHR_CONST_INT, USHR_CONST_LONG, null, null, + USHR_INT, USHR_LONG, null, null); + } + + /** + * Returns the appropriate binary arithmetic rop for the given type + * and arguments. The result is a shared instance. + * + * @param types {@code non-null;} sources of the operation + * @param int1 {@code non-null;} the int-to-constant rop + * @param long1 {@code non-null;} the long-to-constant rop + * @param float1 {@code null-ok;} the float-to-constant rop, if any + * @param double1 {@code null-ok;} the double-to-constant rop, if any + * @param int2 {@code non-null;} the int-to-int rop + * @param long2 {@code non-null;} the long-to-long or long-to-int rop + * @param float2 {@code null-ok;} the float-to-float rop, if any + * @param double2 {@code null-ok;} the double-to-double rop, if any + * @return {@code non-null;} an appropriate instance + */ + private static Rop pickBinaryOp(TypeList types, Rop int1, Rop long1, + Rop float1, Rop double1, Rop int2, + Rop long2, Rop float2, Rop double2) { + int bt1 = types.getType(0).getBasicFrameType(); + Rop result = null; + + switch (types.size()) { + case 1: { + switch(bt1) { + case Type.BT_INT: return int1; + case Type.BT_LONG: return long1; + case Type.BT_FLOAT: result = float1; break; + case Type.BT_DOUBLE: result = double1; break; + } + break; + } + case 2: { + switch(bt1) { + case Type.BT_INT: return int2; + case Type.BT_LONG: return long2; + case Type.BT_FLOAT: result = float2; break; + case Type.BT_DOUBLE: result = double2; break; + } + break; + } + } + + if (result == null) { + return throwBadTypes(types); + } + + return result; + } + + /** + * Returns the appropriate {@code neg} rop for the given type. The + * result is a shared instance. + * + * @param type {@code non-null;} type of value being operated on + * @return {@code non-null;} an appropriate instance + */ + public static Rop opNeg(TypeBearer type) { + switch (type.getBasicFrameType()) { + case Type.BT_INT: return NEG_INT; + case Type.BT_LONG: return NEG_LONG; + case Type.BT_FLOAT: return NEG_FLOAT; + case Type.BT_DOUBLE: return NEG_DOUBLE; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code not} rop for the given type. The + * result is a shared instance. + * + * @param type {@code non-null;} type of value being operated on + * @return {@code non-null;} an appropriate instance + */ + public static Rop opNot(TypeBearer type) { + switch (type.getBasicFrameType()) { + case Type.BT_INT: return NOT_INT; + case Type.BT_LONG: return NOT_LONG; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code cmpl} rop for the given type. The + * result is a shared instance. + * + * @param type {@code non-null;} type of value being compared + * @return {@code non-null;} an appropriate instance + */ + public static Rop opCmpl(TypeBearer type) { + switch (type.getBasicType()) { + case Type.BT_LONG: return CMPL_LONG; + case Type.BT_FLOAT: return CMPL_FLOAT; + case Type.BT_DOUBLE: return CMPL_DOUBLE; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code cmpg} rop for the given type. The + * result is a shared instance. + * + * @param type {@code non-null;} type of value being compared + * @return {@code non-null;} an appropriate instance + */ + public static Rop opCmpg(TypeBearer type) { + switch (type.getBasicType()) { + case Type.BT_FLOAT: return CMPG_FLOAT; + case Type.BT_DOUBLE: return CMPG_DOUBLE; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code conv} rop for the given types. The + * result is a shared instance. + * + * @param dest {@code non-null;} target value type + * @param source {@code non-null;} source value type + * @return {@code non-null;} an appropriate instance + */ + public static Rop opConv(TypeBearer dest, TypeBearer source) { + int dbt = dest.getBasicFrameType(); + switch (source.getBasicFrameType()) { + case Type.BT_INT: { + switch (dbt) { + case Type.BT_LONG: return CONV_I2L; + case Type.BT_FLOAT: return CONV_I2F; + case Type.BT_DOUBLE: return CONV_I2D; + default: break; + } + } + case Type.BT_LONG: { + switch (dbt) { + case Type.BT_INT: return CONV_L2I; + case Type.BT_FLOAT: return CONV_L2F; + case Type.BT_DOUBLE: return CONV_L2D; + default: break; + } + } + case Type.BT_FLOAT: { + switch (dbt) { + case Type.BT_INT: return CONV_F2I; + case Type.BT_LONG: return CONV_F2L; + case Type.BT_DOUBLE: return CONV_F2D; + default: break; + } + } + case Type.BT_DOUBLE: { + switch (dbt) { + case Type.BT_INT: return CONV_D2I; + case Type.BT_LONG: return CONV_D2L; + case Type.BT_FLOAT: return CONV_D2F; + default: break; + } + } + } + + return throwBadTypes(StdTypeList.make(dest.getType(), + source.getType())); + } + + /** + * Returns the appropriate {@code return} rop for the given type. The + * result is a shared instance. + * + * @param type {@code non-null;} type of value being returned + * @return {@code non-null;} an appropriate instance + */ + public static Rop opReturn(TypeBearer type) { + switch (type.getBasicFrameType()) { + case Type.BT_INT: return RETURN_INT; + case Type.BT_LONG: return RETURN_LONG; + case Type.BT_FLOAT: return RETURN_FLOAT; + case Type.BT_DOUBLE: return RETURN_DOUBLE; + case Type.BT_OBJECT: return RETURN_OBJECT; + case Type.BT_VOID: return RETURN_VOID; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code aget} rop for the given type. The + * result is a shared instance. + * + * @param type {@code non-null;} element type of array being accessed + * @return {@code non-null;} an appropriate instance + */ + public static Rop opAget(TypeBearer type) { + switch (type.getBasicType()) { + case Type.BT_INT: return AGET_INT; + case Type.BT_LONG: return AGET_LONG; + case Type.BT_FLOAT: return AGET_FLOAT; + case Type.BT_DOUBLE: return AGET_DOUBLE; + case Type.BT_OBJECT: return AGET_OBJECT; + case Type.BT_BOOLEAN: return AGET_BOOLEAN; + case Type.BT_BYTE: return AGET_BYTE; + case Type.BT_CHAR: return AGET_CHAR; + case Type.BT_SHORT: return AGET_SHORT; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code aput} rop for the given type. The + * result is a shared instance. + * + * @param type {@code non-null;} element type of array being accessed + * @return {@code non-null;} an appropriate instance + */ + public static Rop opAput(TypeBearer type) { + switch (type.getBasicType()) { + case Type.BT_INT: return APUT_INT; + case Type.BT_LONG: return APUT_LONG; + case Type.BT_FLOAT: return APUT_FLOAT; + case Type.BT_DOUBLE: return APUT_DOUBLE; + case Type.BT_OBJECT: return APUT_OBJECT; + case Type.BT_BOOLEAN: return APUT_BOOLEAN; + case Type.BT_BYTE: return APUT_BYTE; + case Type.BT_CHAR: return APUT_CHAR; + case Type.BT_SHORT: return APUT_SHORT; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code new-array} rop for the given + * type. The result is a shared instance. + * + * @param arrayType {@code non-null;} array type of array being created + * @return {@code non-null;} an appropriate instance + */ + public static Rop opNewArray(TypeBearer arrayType) { + Type type = arrayType.getType(); + Type elementType = type.getComponentType(); + + switch (elementType.getBasicType()) { + case Type.BT_INT: return NEW_ARRAY_INT; + case Type.BT_LONG: return NEW_ARRAY_LONG; + case Type.BT_FLOAT: return NEW_ARRAY_FLOAT; + case Type.BT_DOUBLE: return NEW_ARRAY_DOUBLE; + case Type.BT_BOOLEAN: return NEW_ARRAY_BOOLEAN; + case Type.BT_BYTE: return NEW_ARRAY_BYTE; + case Type.BT_CHAR: return NEW_ARRAY_CHAR; + case Type.BT_SHORT: return NEW_ARRAY_SHORT; + case Type.BT_OBJECT: { + return new Rop(RegOps.NEW_ARRAY, type, StdTypeList.INT, + Exceptions.LIST_Error_NegativeArraySizeException, + "new-array-object"); + } + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code filled-new-array} rop for the given + * type. The result may be a shared instance. + * + * @param arrayType {@code non-null;} type of array being created + * @param count {@code >= 0;} number of elements that the array should have + * @return {@code non-null;} an appropriate instance + */ + public static Rop opFilledNewArray(TypeBearer arrayType, int count) { + Type type = arrayType.getType(); + Type elementType = type.getComponentType(); + + if (elementType.isCategory2()) { + return throwBadType(arrayType); + } + + if (count < 0) { + throw new IllegalArgumentException("count < 0"); + } + + StdTypeList sourceTypes = new StdTypeList(count); + + for (int i = 0; i < count; i++) { + sourceTypes.set(i, elementType); + } + + // Note: The resulting rop is considered call-like. + return new Rop(RegOps.FILLED_NEW_ARRAY, + sourceTypes, + Exceptions.LIST_Error); + } + + /** + * Returns the appropriate {@code get-field} rop for the given + * type. The result is a shared instance. + * + * @param type {@code non-null;} type of the field in question + * @return {@code non-null;} an appropriate instance + */ + public static Rop opGetField(TypeBearer type) { + switch (type.getBasicType()) { + case Type.BT_INT: return GET_FIELD_INT; + case Type.BT_LONG: return GET_FIELD_LONG; + case Type.BT_FLOAT: return GET_FIELD_FLOAT; + case Type.BT_DOUBLE: return GET_FIELD_DOUBLE; + case Type.BT_OBJECT: return GET_FIELD_OBJECT; + case Type.BT_BOOLEAN: return GET_FIELD_BOOLEAN; + case Type.BT_BYTE: return GET_FIELD_BYTE; + case Type.BT_CHAR: return GET_FIELD_CHAR; + case Type.BT_SHORT: return GET_FIELD_SHORT; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code put-field} rop for the given + * type. The result is a shared instance. + * + * @param type {@code non-null;} type of the field in question + * @return {@code non-null;} an appropriate instance + */ + public static Rop opPutField(TypeBearer type) { + switch (type.getBasicType()) { + case Type.BT_INT: return PUT_FIELD_INT; + case Type.BT_LONG: return PUT_FIELD_LONG; + case Type.BT_FLOAT: return PUT_FIELD_FLOAT; + case Type.BT_DOUBLE: return PUT_FIELD_DOUBLE; + case Type.BT_OBJECT: return PUT_FIELD_OBJECT; + case Type.BT_BOOLEAN: return PUT_FIELD_BOOLEAN; + case Type.BT_BYTE: return PUT_FIELD_BYTE; + case Type.BT_CHAR: return PUT_FIELD_CHAR; + case Type.BT_SHORT: return PUT_FIELD_SHORT; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code get-static} rop for the given + * type. The result is a shared instance. + * + * @param type {@code non-null;} type of the field in question + * @return {@code non-null;} an appropriate instance + */ + public static Rop opGetStatic(TypeBearer type) { + switch (type.getBasicType()) { + case Type.BT_INT: return GET_STATIC_INT; + case Type.BT_LONG: return GET_STATIC_LONG; + case Type.BT_FLOAT: return GET_STATIC_FLOAT; + case Type.BT_DOUBLE: return GET_STATIC_DOUBLE; + case Type.BT_OBJECT: return GET_STATIC_OBJECT; + case Type.BT_BOOLEAN: return GET_STATIC_BOOLEAN; + case Type.BT_BYTE: return GET_STATIC_BYTE; + case Type.BT_CHAR: return GET_STATIC_CHAR; + case Type.BT_SHORT: return GET_STATIC_SHORT; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code put-static} rop for the given + * type. The result is a shared instance. + * + * @param type {@code non-null;} type of the field in question + * @return {@code non-null;} an appropriate instance + */ + public static Rop opPutStatic(TypeBearer type) { + switch (type.getBasicType()) { + case Type.BT_INT: return PUT_STATIC_INT; + case Type.BT_LONG: return PUT_STATIC_LONG; + case Type.BT_FLOAT: return PUT_STATIC_FLOAT; + case Type.BT_DOUBLE: return PUT_STATIC_DOUBLE; + case Type.BT_OBJECT: return PUT_STATIC_OBJECT; + case Type.BT_BOOLEAN: return PUT_STATIC_BOOLEAN; + case Type.BT_BYTE: return PUT_STATIC_BYTE; + case Type.BT_CHAR: return PUT_STATIC_CHAR; + case Type.BT_SHORT: return PUT_STATIC_SHORT; + } + + return throwBadType(type); + } + + /** + * Returns the appropriate {@code invoke-static} rop for the + * given type. The result is typically a newly-allocated instance. + * + * @param meth {@code non-null;} descriptor of the method + * @return {@code non-null;} an appropriate instance + */ + public static Rop opInvokeStatic(Prototype meth) { + return new Rop(RegOps.INVOKE_STATIC, + meth.getParameterFrameTypes(), + StdTypeList.THROWABLE); + } + + /** + * Returns the appropriate {@code invoke-virtual} rop for the + * given type. The result is typically a newly-allocated instance. + * + * @param meth {@code non-null;} descriptor of the method, including the + * {@code this} parameter + * @return {@code non-null;} an appropriate instance + */ + public static Rop opInvokeVirtual(Prototype meth) { + return new Rop(RegOps.INVOKE_VIRTUAL, + meth.getParameterFrameTypes(), + StdTypeList.THROWABLE); + } + + /** + * Returns the appropriate {@code invoke-super} rop for the + * given type. The result is typically a newly-allocated instance. + * + * @param meth {@code non-null;} descriptor of the method, including the + * {@code this} parameter + * @return {@code non-null;} an appropriate instance + */ + public static Rop opInvokeSuper(Prototype meth) { + return new Rop(RegOps.INVOKE_SUPER, + meth.getParameterFrameTypes(), + StdTypeList.THROWABLE); + } + + /** + * Returns the appropriate {@code invoke-direct} rop for the + * given type. The result is typically a newly-allocated instance. + * + * @param meth {@code non-null;} descriptor of the method, including the + * {@code this} parameter + * @return {@code non-null;} an appropriate instance + */ + public static Rop opInvokeDirect(Prototype meth) { + return new Rop(RegOps.INVOKE_DIRECT, + meth.getParameterFrameTypes(), + StdTypeList.THROWABLE); + } + + /** + * Returns the appropriate {@code invoke-interface} rop for the + * given type. The result is typically a newly-allocated instance. + * + * @param meth {@code non-null;} descriptor of the method, including the + * {@code this} parameter + * @return {@code non-null;} an appropriate instance + */ + public static Rop opInvokeInterface(Prototype meth) { + return new Rop(RegOps.INVOKE_INTERFACE, + meth.getParameterFrameTypes(), + StdTypeList.THROWABLE); + } + + /** + * Returns the appropriate {@code mark-local} rop for the given type. + * The result is a shared instance. + * + * @param type {@code non-null;} type of value being marked + * @return {@code non-null;} an appropriate instance + */ + public static Rop opMarkLocal(TypeBearer type) { + switch (type.getBasicFrameType()) { + case Type.BT_INT: return MARK_LOCAL_INT; + case Type.BT_LONG: return MARK_LOCAL_LONG; + case Type.BT_FLOAT: return MARK_LOCAL_FLOAT; + case Type.BT_DOUBLE: return MARK_LOCAL_DOUBLE; + case Type.BT_OBJECT: return MARK_LOCAL_OBJECT; + } + + return throwBadType(type); + } + + /** + * This class is uninstantiable. + */ + private Rops() { + // This space intentionally left blank. + } + + /** + * Throws the right exception to complain about a bogus type. + * + * @param type {@code non-null;} the bad type + * @return never + */ + private static Rop throwBadType(TypeBearer type) { + throw new IllegalArgumentException("bad type: " + type); + } + + /** + * Throws the right exception to complain about a bogus list of types. + * + * @param types {@code non-null;} the bad types + * @return never + */ + private static Rop throwBadTypes(TypeList types) { + throw new IllegalArgumentException("bad types: " + types); + } +} |