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package
v0.0.0-...-194e379 Latest Latest
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 Go to latest Published: Jul 7, 2015 License: MIT Imports: 17 Imported by: 0

Documentation

Index

Constants

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const ADDR = 57350
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const ADDRESS = 57370
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const AND = 57414
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const ARRAY = 57401
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const ASM = 57391
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const ASSIGN = 57377
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const Alpha = "abcdefghijklmnopqrstuwvxyzABCDEFGHIJKLMNOPQRSTUWVXYZ"
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const BALANCE = 57362
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const BLOCK = 57346
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const BLOCKNUM = 57367
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const BOOLEAN = 57411
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const BYTE = 57371
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const CALL = 57357
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const CALLCODE = 57358
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const CALLDATALOAD = 57354
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const CALLDATASIZE = 57355
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const CALLER = 57352
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const CALLVAL = 57353
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const CODE = 57412
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const COINBASE = 57368
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const COLON = 57382
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const COMMA = 57402
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const CONST = 57396
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const CONTRACT = 57348
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const CREATE = 57361
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const DIFFICULTY = 57364
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const DOP = 57409
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const DOT = 57400
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const ELSE = 57385
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const END_STMT = 57379
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const EQUAL = 57378
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const EXIT = 57360
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const FOR = 57386
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const FUNC = 57397
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const FUNC_CALL = 57398
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const GAS = 57369
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const GASPRICE = 57356
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const ID = 57405
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const IF = 57384
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const IMPORT = 57399
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const INLINE_ASM = 57407
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const LAMBDA = 57381
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const LEFT_BRACES = 57387
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const LEFT_BRACKET = 57389
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const LEFT_PAR = 57392
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const MSG = 57349
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const MUL = 57415
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const NIL = 57380
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const NUMBER = 57406
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const Numbers = "1234567890"
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const OP = 57408
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const ORIGIN = 57351
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const POP = 57373
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const PREVHASH = 57365
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const PRINT = 57404
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const PUSH = 57372
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const QUOTE = 57403
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const RETURN = 57383
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const RIGHT_BRACES = 57388
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const RIGHT_BRACKET = 57390
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const RIGHT_PAR = 57393
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const SHA3 = 57363
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const SIZEOF = 57359
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const STOP = 57394
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const STORE = 57375
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const STR = 57410
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const SUICIDE = 57376
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const TIMESTAMP = 57366
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const TRANSACT = 57374
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const TX = 57347
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const VAR = 57395

Variables

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var Lineno int
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var OpCodes = map[string]byte{}/* 120 elements not displayed */

Functions

func Assemble 

func Assemble(instructions ...interface{}) (script []byte, err error)

Assemble

Assembles the given instructions and returns EVM byte code

func CompileInstr 

func CompileInstr(s interface{}) ([]byte, error)

Compile instruction

Attempts to compile and parse the given instruction in "s" and returns the byte sequence

func IsArray 

func IsArray(v Var) bool

func IsNum 

func IsNum(v Var) bool

func IsOpCode 

func IsOpCode(s string) bool

Is op code

Check whether the given string matches anything in the OpCode list

func IsPtr 

func IsPtr(v Var) bool

func MatchRegexp 

func MatchRegexp(reg string, str []byte) bool

func PreParse 

func PreParse(data string) (mainInput, initInput string)

Pre parse script

Take data apart and attempt to find the "init" section and "main" section. `main { } init { }`

func PreProcess 

func PreProcess(s string) (source string, err error)

func VarLength 

func VarLength(v Var) int

Types

type ArgList 

type ArgList []Var

type Array 

type Array struct {
	// contains filtered or unexported fields
}

func (*Array) Id 

func (self *Array) Id() string

func (*Array) Instr 

func (self *Array) Instr() *IntInstr

func (*Array) Offset 

func (self *Array) Offset() int

func (*Array) SetInstr 

func (self *Array) SetInstr(instr *IntInstr)

func (*Array) Size 

func (self *Array) Size() int

func (*Array) Type 

func (self *Array) Type() varType

type AstType 

type AstType byte
const (
	InvalidTy AstType = iota
	EmptyTy
	StatementListTy
	AssignmentTy
	IdentifierTy
	ConstantTy
	BoolTy
	SetLocalTy
	BlockTy
	IfThenTy
	IfThenElseTy
	ForThenTy
	EqualTy
	GtTy
	LtTy
	OpTy
	StoreTy
	SetStoreTy
	InlineAsmTy
	StopTy
	ExitTy
	ReturnTy
	RefTy
	DerefPtrTy
	Sha3Ty
	OriginTy
	AddressTy
	CallerTy
	CallValTy
	CallDataLoadTy
	CallDataSizeTy
	GasPriceTy
	DiffTy
	PrevHashTy
	TimestampTy
	CoinbaseTy
	BalanceTy
	GasTy
	BlockNumTy
	SuicideTy
	NewArrayTy
	NewVarTy
	ArrayTy
	AssignArrayTy
	CallTy
	CallCodeTy
	TransactTy
	CreateTy
	ArgTy
	SizeofTy
	StringTy
	LambdaTy
	FuncDefTy
	FuncCallTy
	PushTy
	PopTy
	ScopeTy
	ImportTy
	ByteTy
	PrintTy
	NilTy
	InitListTy
)

func (AstType) String 

func (ast AstType) String() string

type CompilerFrontend 

type CompilerFrontend interface {
	Compile(io.Reader) ([]byte, []error)
	Intermediate(io.Reader) (*IntInstr, []error)
}
var Compiler CompilerFrontend

type Function 

type Function struct {
	CallTarget *IntInstr
	Id         string
	ArgCount   int
	Ret        bool

	VarTable Variables
	ArgTable ArgList
	// contains filtered or unexported fields
}

func NewFunction 

func NewFunction(id string, target *IntInstr, ac int, ret bool) *Function

func (*Function) Call 

func (self *Function) Call(args []*SyntaxTree, gen *IntGen, scope Scope) *IntInstr

func (*Function) GenOffset 

func (self *Function) GenOffset() int

func (*Function) GetVar 

func (self *Function) GetVar(id string) Var

func (*Function) MakeReturn 

func (self *Function) MakeReturn(expr *SyntaxTree, gen *IntGen) *IntInstr

func (*Function) NewVar 

func (self *Function) NewVar(id string, typ varType) (Var, error)

func (*Function) PushArg 

func (self *Function) PushArg(v Var)

func (*Function) SetVar 

func (self *Function) SetVar(v Var)

func (*Function) Size 

func (self *Function) Size() (size int)

func (*Function) String 

func (self *Function) String() string

type InlineCode 

type InlineCode struct {
	Code        []byte
	OffsetInstr *IntInstr
	Offset      int
}

type Instr 

type Instr byte
const (
	IntEqual Instr = iota
	IntErr
	IntPc
	IntGt
	IntLt
	IntMul
	IntAdd
	IntDiv
	IntSub
	IntExp
	IntMod
	IntXor
	IntOr
	IntAnd
	IntAssign
	IntConst
	IntEmpty
	IntJump
	IntTarget
	IntPush1
	IntPush2
	IntPush3
	IntPush4
	IntPush5
	IntPush6
	IntPush7
	IntPush8
	IntPush9
	IntPush10
	IntPush11
	IntPush12
	IntPush13
	IntPush14
	IntPush15
	IntPush16
	IntPush17
	IntPush18
	IntPush19
	IntPush20
	IntPush21
	IntPush22
	IntPush23
	IntPush24
	IntPush25
	IntPush26
	IntPush27
	IntPush28
	IntPush29
	IntPush30
	IntPush31
	IntPush32
	IntPop
	IntDup1
	IntDup2
	IntDup3
	IntDup4
	IntDup5
	IntDup6
	IntDup7
	IntDup8
	IntDup9
	IntDup10
	IntDup11
	IntDup12
	IntDup13
	IntDup14
	IntDup15
	IntDup16
	IntSwp1
	IntSwp2
	IntSwp3
	IntSwp4
	IntSwp5
	IntSwp6
	IntSwp7
	IntSwp8
	IntSwp9
	IntSwp10
	IntSwp11
	IntSwp12
	IntSwp13
	IntSwp14
	IntSwp15
	IntSwp16
	IntMStore
	IntMLoad
	IntMSize
	IntNot
	IntJumpi
	IntSStore
	IntSLoad
	IntStop
	IntOrigin
	IntAddress
	IntCodeCopy
	IntCaller
	IntCallVal
	IntCallDataLoad
	IntCallDataSize
	IntGasPrice
	IntDiff
	IntPrevHash
	IntTimestamp
	IntCoinbase
	IntBalance
	IntGas
	IntBlockNum
	IntReturn
	IntSuicide
	IntFuncDef
	IntFuncCall
	IntASM
	IntArray
	IntCall
	IntCallCode
	IntCreate
	IntSizeof
	IntByte
	IntAddMod
	IntMulMod
	IntSha3
	IntIgnore
	IntInlineCode
)

func (Instr) String 

func (op Instr) String() string

type IntGen 

type IntGen struct {
	VarTable map[string]Var

	Errors []error

	InlineCode []InlineCode
	// contains filtered or unexported fields
}

func NewGen 

func NewGen() *IntGen

func (*IntGen) CheckGlobal 

func (self *IntGen) CheckGlobal() bool

func (*IntGen) CurrentScope 

func (self *IntGen) CurrentScope() Scope

func (*IntGen) Errorf 

func (p *IntGen) Errorf(tree *SyntaxTree, format string, v ...interface{}) (*IntInstr, error)

Creates an error and returns an ignore instruction

func (*IntGen) GetVar 

func (self *IntGen) GetVar(id string) Var

func (*IntGen) MakeIntCode 

func (gen *IntGen) MakeIntCode(tree *SyntaxTree) *IntInstr

Recursive Intermediate code generator

func (*IntGen) MakeReturn 

func (self *IntGen) MakeReturn(tree *SyntaxTree, gen *IntGen) *IntInstr

func (*IntGen) NewVar 

func (self *IntGen) NewVar(id string, typ varType) (Var, error)

func (*IntGen) Pop 

func (gen *IntGen) Pop() *IntInstr

func (*IntGen) PopScope 

func (self *IntGen) PopScope() Scope

func (*IntGen) PopStack 

func (self *IntGen) PopStack() *IntInstr

func (*IntGen) Push 

func (gen *IntGen) Push() *IntInstr

func (*IntGen) PushScope 

func (gen *IntGen) PushScope(scope Scope)

func (*IntGen) PushStack 

func (self *IntGen) PushStack() *IntInstr

func (*IntGen) SetStackPtr 

func (self *IntGen) SetStackPtr(ptr int) *IntInstr

func (*IntGen) SetVar 

func (self *IntGen) SetVar(v Var)

func (*IntGen) Size 

func (self *IntGen) Size() (size int)

type IntInstr 

type IntInstr struct {
	Code      Instr
	Constant  interface{}
	ConstRef  string
	Number    int
	Next      *IntInstr
	Target    *IntInstr
	TargetNum *IntInstr

	LineNo int
	// contains filtered or unexported fields
}

func Concat 

func Concat(a, b *IntInstr) *IntInstr

func (*IntInstr) LinkCode 

func (self *IntInstr) LinkCode(inlineCode []InlineCode)

func (*IntInstr) LinkTargets 

func (self *IntInstr) LinkTargets()

func (*IntInstr) SetNumbers 

func (instr *IntInstr) SetNumbers(i int, gen *IntGen)

func (*IntInstr) String 

func (instr *IntInstr) String() string

type Lexer 

type Lexer struct {
	// contains filtered or unexported fields
}

func (*Lexer) Error 

func (l *Lexer) Error(s string)

func (*Lexer) Lex 

func (l *Lexer) Lex(lval *yySymType) int

yacc's lexing method

type LocalScope 

type LocalScope struct {
	VarTable Variables
}

func NewLocalScope 

func NewLocalScope() *LocalScope

func (*LocalScope) GetVar 

func (self *LocalScope) GetVar(id string) Var

func (*LocalScope) MakeReturn 

func (self *LocalScope) MakeReturn(expr *SyntaxTree, gen *IntGen) *IntInstr

func (*LocalScope) NewVar 

func (self *LocalScope) NewVar(id string, typ varType) (Var, error)

func (*LocalScope) SetVar 

func (self *LocalScope) SetVar(v Var)

func (*LocalScope) Size 

func (self *LocalScope) Size() (size int)

type Pointer 

type Pointer struct {
	// contains filtered or unexported fields
}

func NewPointer 

func NewPointer(id string, offset int, ptrTy varType) *Pointer

func (*Pointer) Id 

func (self *Pointer) Id() string

func (*Pointer) Instr 

func (self *Pointer) Instr() *IntInstr

func (*Pointer) Offset 

func (self *Pointer) Offset() int

func (*Pointer) SetInstr 

func (self *Pointer) SetInstr(instr *IntInstr)

func (*Pointer) Size 

func (self *Pointer) Size() int

func (*Pointer) Type 

func (self *Pointer) Type() varType

type Scope 

type Scope interface {
	NewVar(id string, typ varType) (Var, error)
	SetVar(Var)
	GetVar(string) Var
	Size() int

	MakeReturn(expr *SyntaxTree, gen *IntGen) *IntInstr
}

type SyntaxTree 

type SyntaxTree struct {
	Type     AstType
	Children []*SyntaxTree
	Constant string
	VarType  string
	Size     string
	Lineno   int
	HasRet   bool
	Ptr      bool
	ArgList  []*SyntaxTree
}

Basic tree node for the AST 

var Tree *SyntaxTree

func MakeAst 

func MakeAst(source string) (*SyntaxTree, error)

func NewNode 

func NewNode(typ AstType, v ...*SyntaxTree) *SyntaxTree

func (*SyntaxTree) String 

func (p *SyntaxTree) String() string

type Var 

type Var interface {
	Id() string

	Type() varType
	SetType(t varType)

	Size() int
	SetSize(int)

	Offset() int
	Instr() *IntInstr
	SetInstr(*IntInstr)
}

type Variable 

type Variable struct {
	// contains filtered or unexported fields
}

func NewArray 

func NewArray(id string, offset, count int) *Variable

func NewNumeric 

func NewNumeric(id string, offset int) *Variable

func (*Variable) Id 

func (self *Variable) Id() string

func (*Variable) Instr 

func (self *Variable) Instr() *IntInstr

func (*Variable) Offset 

func (self *Variable) Offset() int

func (*Variable) SetInstr 

func (self *Variable) SetInstr(instr *IntInstr)

func (*Variable) SetSize 

func (self *Variable) SetSize(s int)

func (*Variable) SetType 

func (self *Variable) SetType(t varType)

func (*Variable) Size 

func (self *Variable) Size() int

func (*Variable) Type 

func (self *Variable) Type() varType

type Variables 

type Variables map[string]Var

func (Variables) String 

func (self Variables) String() (ret string)

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