Update Go library to r60.

From-SVN: r178910

1 files changed, 0 insertions, 1874 deletions

diff --git a/libgo/go/exp/eval/expr1.go b/libgo/go/exp/eval/expr1.go
deleted file mode 100644
index 5d0e5000032..00000000000
--- a/libgo/go/exp/eval/expr1.go
+++ /dev/null
@@ -1,1874 +0,0 @@
-// This file is machine generated by gen.go.
-// 6g gen.go && 6l gen.6 && ./6.out >expr1.go
-
-package eval
-
-import (
-	"big"
-	"log"
-)
-
-/*
- * "As" functions.  These retrieve evaluator functions from an
- * expr, panicking if the requested evaluator has the wrong type.
- */
-func (a *expr) asBool() func(*Thread) bool {
-	return a.eval.(func(*Thread) bool)
-}
-func (a *expr) asUint() func(*Thread) uint64 {
-	return a.eval.(func(*Thread) uint64)
-}
-func (a *expr) asInt() func(*Thread) int64 {
-	return a.eval.(func(*Thread) int64)
-}
-func (a *expr) asIdealInt() func() *big.Int {
-	return a.eval.(func() *big.Int)
-}
-func (a *expr) asFloat() func(*Thread) float64 {
-	return a.eval.(func(*Thread) float64)
-}
-func (a *expr) asIdealFloat() func() *big.Rat {
-	return a.eval.(func() *big.Rat)
-}
-func (a *expr) asString() func(*Thread) string {
-	return a.eval.(func(*Thread) string)
-}
-func (a *expr) asArray() func(*Thread) ArrayValue {
-	return a.eval.(func(*Thread) ArrayValue)
-}
-func (a *expr) asStruct() func(*Thread) StructValue {
-	return a.eval.(func(*Thread) StructValue)
-}
-func (a *expr) asPtr() func(*Thread) Value {
-	return a.eval.(func(*Thread) Value)
-}
-func (a *expr) asFunc() func(*Thread) Func {
-	return a.eval.(func(*Thread) Func)
-}
-func (a *expr) asSlice() func(*Thread) Slice {
-	return a.eval.(func(*Thread) Slice)
-}
-func (a *expr) asMap() func(*Thread) Map {
-	return a.eval.(func(*Thread) Map)
-}
-func (a *expr) asMulti() func(*Thread) []Value {
-	return a.eval.(func(*Thread) []Value)
-}
-
-func (a *expr) asInterface() func(*Thread) interface{} {
-	switch sf := a.eval.(type) {
-	case func(t *Thread) bool:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func(t *Thread) uint64:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func(t *Thread) int64:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func() *big.Int:
-		return func(*Thread) interface{} { return sf() }
-	case func(t *Thread) float64:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func() *big.Rat:
-		return func(*Thread) interface{} { return sf() }
-	case func(t *Thread) string:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func(t *Thread) ArrayValue:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func(t *Thread) StructValue:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func(t *Thread) Value:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func(t *Thread) Func:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func(t *Thread) Slice:
-		return func(t *Thread) interface{} { return sf(t) }
-	case func(t *Thread) Map:
-		return func(t *Thread) interface{} { return sf(t) }
-	default:
-		log.Panicf("unexpected expression node type %T at %v", a.eval, a.pos)
-	}
-	panic("fail")
-}
-
-/*
- * Operator generators.
- */
-
-func (a *expr) genConstant(v Value) {
-	switch a.t.lit().(type) {
-	case *boolType:
-		a.eval = func(t *Thread) bool { return v.(BoolValue).Get(t) }
-	case *uintType:
-		a.eval = func(t *Thread) uint64 { return v.(UintValue).Get(t) }
-	case *intType:
-		a.eval = func(t *Thread) int64 { return v.(IntValue).Get(t) }
-	case *idealIntType:
-		val := v.(IdealIntValue).Get()
-		a.eval = func() *big.Int { return val }
-	case *floatType:
-		a.eval = func(t *Thread) float64 { return v.(FloatValue).Get(t) }
-	case *idealFloatType:
-		val := v.(IdealFloatValue).Get()
-		a.eval = func() *big.Rat { return val }
-	case *stringType:
-		a.eval = func(t *Thread) string { return v.(StringValue).Get(t) }
-	case *ArrayType:
-		a.eval = func(t *Thread) ArrayValue { return v.(ArrayValue).Get(t) }
-	case *StructType:
-		a.eval = func(t *Thread) StructValue { return v.(StructValue).Get(t) }
-	case *PtrType:
-		a.eval = func(t *Thread) Value { return v.(PtrValue).Get(t) }
-	case *FuncType:
-		a.eval = func(t *Thread) Func { return v.(FuncValue).Get(t) }
-	case *SliceType:
-		a.eval = func(t *Thread) Slice { return v.(SliceValue).Get(t) }
-	case *MapType:
-		a.eval = func(t *Thread) Map { return v.(MapValue).Get(t) }
-	default:
-		log.Panicf("unexpected constant type %v at %v", a.t, a.pos)
-	}
-}
-
-func (a *expr) genIdentOp(level, index int) {
-	a.evalAddr = func(t *Thread) Value { return t.f.Get(level, index) }
-	switch a.t.lit().(type) {
-	case *boolType:
-		a.eval = func(t *Thread) bool { return t.f.Get(level, index).(BoolValue).Get(t) }
-	case *uintType:
-		a.eval = func(t *Thread) uint64 { return t.f.Get(level, index).(UintValue).Get(t) }
-	case *intType:
-		a.eval = func(t *Thread) int64 { return t.f.Get(level, index).(IntValue).Get(t) }
-	case *floatType:
-		a.eval = func(t *Thread) float64 { return t.f.Get(level, index).(FloatValue).Get(t) }
-	case *stringType:
-		a.eval = func(t *Thread) string { return t.f.Get(level, index).(StringValue).Get(t) }
-	case *ArrayType:
-		a.eval = func(t *Thread) ArrayValue { return t.f.Get(level, index).(ArrayValue).Get(t) }
-	case *StructType:
-		a.eval = func(t *Thread) StructValue { return t.f.Get(level, index).(StructValue).Get(t) }
-	case *PtrType:
-		a.eval = func(t *Thread) Value { return t.f.Get(level, index).(PtrValue).Get(t) }
-	case *FuncType:
-		a.eval = func(t *Thread) Func { return t.f.Get(level, index).(FuncValue).Get(t) }
-	case *SliceType:
-		a.eval = func(t *Thread) Slice { return t.f.Get(level, index).(SliceValue).Get(t) }
-	case *MapType:
-		a.eval = func(t *Thread) Map { return t.f.Get(level, index).(MapValue).Get(t) }
-	default:
-		log.Panicf("unexpected identifier type %v at %v", a.t, a.pos)
-	}
-}
-
-func (a *expr) genFuncCall(call func(t *Thread) []Value) {
-	a.exec = func(t *Thread) { call(t) }
-	switch a.t.lit().(type) {
-	case *boolType:
-		a.eval = func(t *Thread) bool { return call(t)[0].(BoolValue).Get(t) }
-	case *uintType:
-		a.eval = func(t *Thread) uint64 { return call(t)[0].(UintValue).Get(t) }
-	case *intType:
-		a.eval = func(t *Thread) int64 { return call(t)[0].(IntValue).Get(t) }
-	case *floatType:
-		a.eval = func(t *Thread) float64 { return call(t)[0].(FloatValue).Get(t) }
-	case *stringType:
-		a.eval = func(t *Thread) string { return call(t)[0].(StringValue).Get(t) }
-	case *ArrayType:
-		a.eval = func(t *Thread) ArrayValue { return call(t)[0].(ArrayValue).Get(t) }
-	case *StructType:
-		a.eval = func(t *Thread) StructValue { return call(t)[0].(StructValue).Get(t) }
-	case *PtrType:
-		a.eval = func(t *Thread) Value { return call(t)[0].(PtrValue).Get(t) }
-	case *FuncType:
-		a.eval = func(t *Thread) Func { return call(t)[0].(FuncValue).Get(t) }
-	case *SliceType:
-		a.eval = func(t *Thread) Slice { return call(t)[0].(SliceValue).Get(t) }
-	case *MapType:
-		a.eval = func(t *Thread) Map { return call(t)[0].(MapValue).Get(t) }
-	case *MultiType:
-		a.eval = func(t *Thread) []Value { return call(t) }
-	default:
-		log.Panicf("unexpected result type %v at %v", a.t, a.pos)
-	}
-}
-
-func (a *expr) genValue(vf func(*Thread) Value) {
-	a.evalAddr = vf
-	switch a.t.lit().(type) {
-	case *boolType:
-		a.eval = func(t *Thread) bool { return vf(t).(BoolValue).Get(t) }
-	case *uintType:
-		a.eval = func(t *Thread) uint64 { return vf(t).(UintValue).Get(t) }
-	case *intType:
-		a.eval = func(t *Thread) int64 { return vf(t).(IntValue).Get(t) }
-	case *floatType:
-		a.eval = func(t *Thread) float64 { return vf(t).(FloatValue).Get(t) }
-	case *stringType:
-		a.eval = func(t *Thread) string { return vf(t).(StringValue).Get(t) }
-	case *ArrayType:
-		a.eval = func(t *Thread) ArrayValue { return vf(t).(ArrayValue).Get(t) }
-	case *StructType:
-		a.eval = func(t *Thread) StructValue { return vf(t).(StructValue).Get(t) }
-	case *PtrType:
-		a.eval = func(t *Thread) Value { return vf(t).(PtrValue).Get(t) }
-	case *FuncType:
-		a.eval = func(t *Thread) Func { return vf(t).(FuncValue).Get(t) }
-	case *SliceType:
-		a.eval = func(t *Thread) Slice { return vf(t).(SliceValue).Get(t) }
-	case *MapType:
-		a.eval = func(t *Thread) Map { return vf(t).(MapValue).Get(t) }
-	default:
-		log.Panicf("unexpected result type %v at %v", a.t, a.pos)
-	}
-}
-
-func (a *expr) genUnaryOpNeg(v *expr) {
-	switch a.t.lit().(type) {
-	case *uintType:
-		vf := v.asUint()
-		a.eval = func(t *Thread) uint64 { v := vf(t); return -v }
-	case *intType:
-		vf := v.asInt()
-		a.eval = func(t *Thread) int64 { v := vf(t); return -v }
-	case *idealIntType:
-		val := v.asIdealInt()()
-		val.Neg(val)
-		a.eval = func() *big.Int { return val }
-	case *floatType:
-		vf := v.asFloat()
-		a.eval = func(t *Thread) float64 { v := vf(t); return -v }
-	case *idealFloatType:
-		val := v.asIdealFloat()()
-		val.Neg(val)
-		a.eval = func() *big.Rat { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", a.t, a.pos)
-	}
-}
-
-func (a *expr) genUnaryOpNot(v *expr) {
-	switch a.t.lit().(type) {
-	case *boolType:
-		vf := v.asBool()
-		a.eval = func(t *Thread) bool { v := vf(t); return !v }
-	default:
-		log.Panicf("unexpected type %v at %v", a.t, a.pos)
-	}
-}
-
-func (a *expr) genUnaryOpXor(v *expr) {
-	switch a.t.lit().(type) {
-	case *uintType:
-		vf := v.asUint()
-		a.eval = func(t *Thread) uint64 { v := vf(t); return ^v }
-	case *intType:
-		vf := v.asInt()
-		a.eval = func(t *Thread) int64 { v := vf(t); return ^v }
-	case *idealIntType:
-		val := v.asIdealInt()()
-		val.Not(val)
-		a.eval = func() *big.Int { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", a.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpLogAnd(l, r *expr) {
-	lf := l.asBool()
-	rf := r.asBool()
-	a.eval = func(t *Thread) bool { return lf(t) && rf(t) }
-}
-
-func (a *expr) genBinOpLogOr(l, r *expr) {
-	lf := l.asBool()
-	rf := r.asBool()
-	a.eval = func(t *Thread) bool { return lf(t) || rf(t) }
-}
-
-func (a *expr) genBinOpAdd(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l + r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l + r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l + r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l + r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l + r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l + r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l + r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l + r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l + r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l + r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Add(l, r)
-		a.eval = func() *big.Int { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		switch t.Bits {
-		case 32:
-			a.eval = func(t *Thread) float64 {
-				l, r := lf(t), rf(t)
-				var ret float64
-				ret = l + r
-				return float64(float32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) float64 {
-				l, r := lf(t), rf(t)
-				var ret float64
-				ret = l + r
-				return float64(float64(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Add(l, r)
-		a.eval = func() *big.Rat { return val }
-	case *stringType:
-		lf := l.asString()
-		rf := r.asString()
-		a.eval = func(t *Thread) string {
-			l, r := lf(t), rf(t)
-			return l + r
-		}
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpSub(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l - r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l - r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l - r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l - r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l - r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l - r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l - r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l - r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l - r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l - r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Sub(l, r)
-		a.eval = func() *big.Int { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		switch t.Bits {
-		case 32:
-			a.eval = func(t *Thread) float64 {
-				l, r := lf(t), rf(t)
-				var ret float64
-				ret = l - r
-				return float64(float32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) float64 {
-				l, r := lf(t), rf(t)
-				var ret float64
-				ret = l - r
-				return float64(float64(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Sub(l, r)
-		a.eval = func() *big.Rat { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpMul(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l * r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l * r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l * r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l * r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l * r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l * r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l * r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l * r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l * r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l * r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Mul(l, r)
-		a.eval = func() *big.Int { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		switch t.Bits {
-		case 32:
-			a.eval = func(t *Thread) float64 {
-				l, r := lf(t), rf(t)
-				var ret float64
-				ret = l * r
-				return float64(float32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) float64 {
-				l, r := lf(t), rf(t)
-				var ret float64
-				ret = l * r
-				return float64(float64(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Mul(l, r)
-		a.eval = func() *big.Rat { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpQuo(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Quo(l, r)
-		a.eval = func() *big.Int { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		switch t.Bits {
-		case 32:
-			a.eval = func(t *Thread) float64 {
-				l, r := lf(t), rf(t)
-				var ret float64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return float64(float32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) float64 {
-				l, r := lf(t), rf(t)
-				var ret float64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l / r
-				return float64(float64(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Quo(l, r)
-		a.eval = func() *big.Rat { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpRem(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				if r == 0 {
-					t.Abort(DivByZeroError{})
-				}
-				ret = l % r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Rem(l, r)
-		a.eval = func() *big.Int { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpAnd(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l & r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l & r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l & r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l & r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l & r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l & r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l & r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l & r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l & r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l & r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.And(l, r)
-		a.eval = func() *big.Int { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpOr(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l | r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l | r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l | r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l | r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l | r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l | r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l | r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l | r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l | r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l | r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Or(l, r)
-		a.eval = func() *big.Int { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpXor(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l ^ r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l ^ r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l ^ r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l ^ r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l ^ r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l ^ r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l ^ r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l ^ r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l ^ r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l ^ r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Xor(l, r)
-		a.eval = func() *big.Int { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpAndNot(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l &^ r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l &^ r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l &^ r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l &^ r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l &^ r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l &^ r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l &^ r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l &^ r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l &^ r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l &^ r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.AndNot(l, r)
-		a.eval = func() *big.Int { return val }
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpShl(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l << r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l << r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l << r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l << r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l << r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l << r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l << r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l << r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l << r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l << r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpShr(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l >> r
-				return uint64(uint8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l >> r
-				return uint64(uint16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l >> r
-				return uint64(uint32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l >> r
-				return uint64(uint64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) uint64 {
-				l, r := lf(t), rf(t)
-				var ret uint64
-				ret = l >> r
-				return uint64(uint(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asUint()
-		switch t.Bits {
-		case 8:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l >> r
-				return int64(int8(ret))
-			}
-		case 16:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l >> r
-				return int64(int16(ret))
-			}
-		case 32:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l >> r
-				return int64(int32(ret))
-			}
-		case 64:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l >> r
-				return int64(int64(ret))
-			}
-		case 0:
-			a.eval = func(t *Thread) int64 {
-				l, r := lf(t), rf(t)
-				var ret int64
-				ret = l >> r
-				return int64(int(ret))
-			}
-		default:
-			log.Panicf("unexpected size %d in type %v at %v", t.Bits, t, a.pos)
-		}
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpLss(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l < r
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l < r
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Cmp(r) < 0
-		a.eval = func(t *Thread) bool { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l < r
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Cmp(r) < 0
-		a.eval = func(t *Thread) bool { return val }
-	case *stringType:
-		lf := l.asString()
-		rf := r.asString()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l < r
-		}
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpGtr(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l > r
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l > r
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Cmp(r) > 0
-		a.eval = func(t *Thread) bool { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l > r
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Cmp(r) > 0
-		a.eval = func(t *Thread) bool { return val }
-	case *stringType:
-		lf := l.asString()
-		rf := r.asString()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l > r
-		}
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpLeq(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l <= r
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l <= r
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Cmp(r) <= 0
-		a.eval = func(t *Thread) bool { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l <= r
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Cmp(r) <= 0
-		a.eval = func(t *Thread) bool { return val }
-	case *stringType:
-		lf := l.asString()
-		rf := r.asString()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l <= r
-		}
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpGeq(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l >= r
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l >= r
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Cmp(r) >= 0
-		a.eval = func(t *Thread) bool { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l >= r
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Cmp(r) >= 0
-		a.eval = func(t *Thread) bool { return val }
-	case *stringType:
-		lf := l.asString()
-		rf := r.asString()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l >= r
-		}
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpEql(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *boolType:
-		lf := l.asBool()
-		rf := r.asBool()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l == r
-		}
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l == r
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l == r
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Cmp(r) == 0
-		a.eval = func(t *Thread) bool { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l == r
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Cmp(r) == 0
-		a.eval = func(t *Thread) bool { return val }
-	case *stringType:
-		lf := l.asString()
-		rf := r.asString()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l == r
-		}
-	case *PtrType:
-		lf := l.asPtr()
-		rf := r.asPtr()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l == r
-		}
-	case *FuncType:
-		lf := l.asFunc()
-		rf := r.asFunc()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l == r
-		}
-	case *MapType:
-		lf := l.asMap()
-		rf := r.asMap()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l == r
-		}
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func (a *expr) genBinOpNeq(l, r *expr) {
-	switch t := l.t.lit().(type) {
-	case *boolType:
-		lf := l.asBool()
-		rf := r.asBool()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l != r
-		}
-	case *uintType:
-		lf := l.asUint()
-		rf := r.asUint()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l != r
-		}
-	case *intType:
-		lf := l.asInt()
-		rf := r.asInt()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l != r
-		}
-	case *idealIntType:
-		l := l.asIdealInt()()
-		r := r.asIdealInt()()
-		val := l.Cmp(r) != 0
-		a.eval = func(t *Thread) bool { return val }
-	case *floatType:
-		lf := l.asFloat()
-		rf := r.asFloat()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l != r
-		}
-	case *idealFloatType:
-		l := l.asIdealFloat()()
-		r := r.asIdealFloat()()
-		val := l.Cmp(r) != 0
-		a.eval = func(t *Thread) bool { return val }
-	case *stringType:
-		lf := l.asString()
-		rf := r.asString()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l != r
-		}
-	case *PtrType:
-		lf := l.asPtr()
-		rf := r.asPtr()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l != r
-		}
-	case *FuncType:
-		lf := l.asFunc()
-		rf := r.asFunc()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l != r
-		}
-	case *MapType:
-		lf := l.asMap()
-		rf := r.asMap()
-		a.eval = func(t *Thread) bool {
-			l, r := lf(t), rf(t)
-			return l != r
-		}
-	default:
-		log.Panicf("unexpected type %v at %v", l.t, a.pos)
-	}
-}
-
-func genAssign(lt Type, r *expr) func(lv Value, t *Thread) {
-	switch lt.lit().(type) {
-	case *boolType:
-		rf := r.asBool()
-		return func(lv Value, t *Thread) { lv.(BoolValue).Set(t, rf(t)) }
-	case *uintType:
-		rf := r.asUint()
-		return func(lv Value, t *Thread) { lv.(UintValue).Set(t, rf(t)) }
-	case *intType:
-		rf := r.asInt()
-		return func(lv Value, t *Thread) { lv.(IntValue).Set(t, rf(t)) }
-	case *floatType:
-		rf := r.asFloat()
-		return func(lv Value, t *Thread) { lv.(FloatValue).Set(t, rf(t)) }
-	case *stringType:
-		rf := r.asString()
-		return func(lv Value, t *Thread) { lv.(StringValue).Set(t, rf(t)) }
-	case *ArrayType:
-		rf := r.asArray()
-		return func(lv Value, t *Thread) { lv.Assign(t, rf(t)) }
-	case *StructType:
-		rf := r.asStruct()
-		return func(lv Value, t *Thread) { lv.Assign(t, rf(t)) }
-	case *PtrType:
-		rf := r.asPtr()
-		return func(lv Value, t *Thread) { lv.(PtrValue).Set(t, rf(t)) }
-	case *FuncType:
-		rf := r.asFunc()
-		return func(lv Value, t *Thread) { lv.(FuncValue).Set(t, rf(t)) }
-	case *SliceType:
-		rf := r.asSlice()
-		return func(lv Value, t *Thread) { lv.(SliceValue).Set(t, rf(t)) }
-	case *MapType:
-		rf := r.asMap()
-		return func(lv Value, t *Thread) { lv.(MapValue).Set(t, rf(t)) }
-	default:
-		log.Panicf("unexpected left operand type %v at %v", lt, r.pos)
-	}
-	panic("fail")
-}