Moved assembler stage processing to it's own file

2014-04-15 16:16:38 -04:00
parent 086acd122b
commit ca13e3b105
5 changed files with 430 additions and 213 deletions
--- a/ethchain/stack.go
+++ b/ethchain/stack.go
@ -6,153 +6,6 @@ import (
 	"math/big"
 )

-type OpCode int
-
-// Op codes
-const (
-	// 0x0 range - arithmetic ops
-	oSTOP = 0x00
-	oADD  = 0x01
-	oMUL  = 0x02
-	oSUB  = 0x03
-	oDIV  = 0x04
-	oSDIV = 0x05
-	oMOD  = 0x06
-	oSMOD = 0x07
-	oEXP  = 0x08
-	oNEG  = 0x09
-	oLT   = 0x0a
-	oGT   = 0x0b
-	oEQ   = 0x0c
-	oNOT  = 0x0d
-
-	// 0x10 range - bit ops
-	oAND  = 0x10
-	oOR   = 0x11
-	oXOR  = 0x12
-	oBYTE = 0x13
-
-	// 0x20 range - crypto
-	oSHA3 = 0x20
-
-	// 0x30 range - closure state
-	oADDRESS      = 0x30
-	oBALANCE      = 0x31
-	oORIGIN       = 0x32
-	oCALLER       = 0x33
-	oCALLVALUE    = 0x34
-	oCALLDATA     = 0x35
-	oCALLDATASIZE = 0x36
-	oGASPRICE     = 0x37
-
-	// 0x40 range - block operations
-	oPREVHASH   = 0x40
-	oCOINBASE   = 0x41
-	oTIMESTAMP  = 0x42
-	oNUMBER     = 0x43
-	oDIFFICULTY = 0x44
-	oGASLIMIT   = 0x45
-
-	// 0x50 range - 'storage' and execution
-	oPUSH    = 0x50
-	oPUSH20  = 0x80
-	oPOP     = 0x51
-	oDUP     = 0x52
-	oSWAP    = 0x53
-	oMLOAD   = 0x54
-	oMSTORE  = 0x55
-	oMSTORE8 = 0x56
-	oSLOAD   = 0x57
-	oSSTORE  = 0x58
-	oJUMP    = 0x59
-	oJUMPI   = 0x5a
-	oPC      = 0x5b
-	oMSIZE   = 0x5c
-
-	// 0x60 range - closures
-	oCREATE = 0x60
-	oCALL   = 0x61
-	oRETURN = 0x62
-
-	// 0x70 range - other
-	oLOG     = 0x70 // XXX Unofficial
-	oSUICIDE = 0x7f
-)
-
-// Since the opcodes aren't all in order we can't use a regular slice
-var opCodeToString = map[OpCode]string{
-	// 0x0 range - arithmetic ops
-	oSTOP: "STOP",
-	oADD:  "ADD",
-	oMUL:  "MUL",
-	oSUB:  "SUB",
-	oDIV:  "DIV",
-	oSDIV: "SDIV",
-	oMOD:  "MOD",
-	oSMOD: "SMOD",
-	oEXP:  "EXP",
-	oNEG:  "NEG",
-	oLT:   "LT",
-	oGT:   "GT",
-	oEQ:   "EQ",
-	oNOT:  "NOT",
-
-	// 0x10 range - bit ops
-	oAND:  "AND",
-	oOR:   "OR",
-	oXOR:  "XOR",
-	oBYTE: "BYTE",
-
-	// 0x20 range - crypto
-	oSHA3: "SHA3",
-
-	// 0x30 range - closure state
-	oADDRESS:      "ADDRESS",
-	oBALANCE:      "BALANCE",
-	oORIGIN:       "ORIGIN",
-	oCALLER:       "CALLER",
-	oCALLVALUE:    "CALLVALUE",
-	oCALLDATA:     "CALLDATA",
-	oCALLDATASIZE: "CALLDATASIZE",
-	oGASPRICE:     "TXGASPRICE",
-
-	// 0x40 range - block operations
-	oPREVHASH:   "PREVHASH",
-	oCOINBASE:   "COINBASE",
-	oTIMESTAMP:  "TIMESTAMP",
-	oNUMBER:     "NUMBER",
-	oDIFFICULTY: "DIFFICULTY",
-	oGASLIMIT:   "GASLIMIT",
-
-	// 0x50 range - 'storage' and execution
-	oPUSH:    "PUSH",
-	oPOP:     "POP",
-	oDUP:     "DUP",
-	oSWAP:    "SWAP",
-	oMLOAD:   "MLOAD",
-	oMSTORE:  "MSTORE",
-	oMSTORE8: "MSTORE8",
-	oSLOAD:   "SLOAD",
-	oSSTORE:  "SSTORE",
-	oJUMP:    "JUMP",
-	oJUMPI:   "JUMPI",
-	oPC:      "PC",
-	oMSIZE:   "MSIZE",
-
-	// 0x60 range - closures
-	oCREATE: "CREATE",
-	oCALL:   "CALL",
-	oRETURN: "RETURN",
-
-	// 0x70 range - other
-	oLOG:     "LOG",
-	oSUICIDE: "SUICIDE",
-}
-
-func (o OpCode) String() string {
-	return opCodeToString[o]
-}
-
 type OpType int

 const (
@ -177,6 +30,10 @@ func (st *Stack) Data() []*big.Int {
 	return st.data
 }

+func (st *Stack) Len() int {
+	return len(st.data)
+}
+
 func (st *Stack) Pop() *big.Int {
 	str := st.data[len(st.data)-1]