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type Asm ¶

type Asm struct {
	AsmCodes []AsmCode
}

Asm is generated by compiling.

func CompileContract(c ast.Contract) (Asm, error)

func (a *Asm) Emerge(operator opcode.Type, operands ...[]byte) int

func (a *Asm) EmergeAt(index int, operator opcode.Type, operands ...[]byte) int

func (a *Asm) Equal(a1 Asm) bool

func (a *Asm) ReplaceOperandAt(index int, operands []byte) error

func (a *Asm) ReplaceOperatorAt(index int, operator opcode.Type) error

func (a *Asm) String() string

func (a *Asm) ToRawByteCode() []byte

type AsmCode ¶

type AsmCode struct {
	RawByte []byte
	Value   string
}

type EntryError ¶

type EntryError struct {
	Id string
}

func (e EntryError) Error() string

type FuncMap ¶

type FuncMap map[string]int

func (m FuncMap) Declare(signature string, asm Asm)

type MemDefiner ¶

type MemDefiner interface {
	Define(id string) MemEntry
}

Define() saves an variable to EntryMap and increase the MemoryCounter. This should be used when compiles the assign statement. ex) a = 5 -> Define("a", 5) b = "abc" -> Define("b", "abc")

type MemEntry ¶

type MemEntry struct {
	Offset int
	Size   int
}

MemEntry saves size and offset of the value which the variable has.

type MemEntryTable ¶

type MemEntryTable struct {
	EntryMap      map[string]MemEntry
	MemoryCounter int
}

MemEntryTable is used to know the location of the memory

func NewMemEntryTable() *MemEntryTable

func (m MemEntryTable) Counter() int

func (m *MemEntryTable) Define(id string) MemEntry

func (m MemEntryTable) Entry(id string) (MemEntry, error)

func (m MemEntryTable) MemSize() int

type MemGetter ¶

type MemGetter interface {
	Entry(id string) (MemEntry, error)
	Counter() int
	MemSize() int
}

MemGetter gets the data of the memory entry. GetOffsetOfEntry() returns the offset of the memory entry corresponding the Id. GetSizeOfEntry() returns the size of the memory entry corresponding the Id.

type MemTracer ¶

type MemTracer interface {
	MemDefiner
	MemGetter
}