context

package

v0.2.2 Latest Latest Go to latest Published: Nov 22, 2020 License: Apache-2.0 Imports: 7 Imported by: 0

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Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
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Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

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Learn more about best practices

Repository

github.com/iotaledger/wart

Links

Open Source Insights

Documentation ¶

Overview ¶

Package context contains the context objects for the executors that perform a specific action on the Wasm code tree (Module) that they operate on. The executors keep track of their execution state in these context objects.

Index ¶

Constants
type Analyzer
- func NewAnalyzer(m *sections.Module, params []value.DataType, locals []*sections.Local) *Analyzer
type Label
- func NewLabel(blockType *sections.FuncType, target helper.Instruction) *Label
type Reader
- func NewReader(m *sections.Module, data []byte) *Reader
type Runner
- func NewRunner(m *sections.Module) *Runner
type Writer
- func NewWriter() *Writer

Constants ¶

View Source

const PAGE_SIZE = 0x10000

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Analyzer ¶

type Analyzer struct {
	BlockMark int
	Code      []helper.Instruction
	Error     error
	Frame     []value.DataType
	FuncNr    uint32
	IP        int
	Labels    []*Label
	Locals    int
	MaxSP     int
	MinSP     int
	Module    *sections.Module
	SP        int
}

func NewAnalyzer ¶

func NewAnalyzer(m *sections.Module, params []value.DataType, locals []*sections.Local) *Analyzer

func (*Analyzer) Fail ¶

func (a *Analyzer) Fail(format string, args ...interface{})

func (*Analyzer) Pop ¶

func (a *Analyzer) Pop() value.DataType

func (*Analyzer) PopExpected ¶

func (a *Analyzer) PopExpected(expected value.DataType) value.DataType

func (*Analyzer) PopMulti ¶

func (a *Analyzer) PopMulti(values []value.DataType)

func (*Analyzer) Push ¶

func (a *Analyzer) Push(dataType value.DataType)

func (*Analyzer) PushMulti ¶

func (a *Analyzer) PushMulti(dataTypes []value.DataType)

type Label ¶

type Label struct {
	BlockInst   helper.Instruction
	BlockType   *sections.FuncType
	HasElse     bool
	Target      helper.Instruction
	Unreachable bool
	UnwindSP    int
}

func NewLabel ¶

func NewLabel(blockType *sections.FuncType, target helper.Instruction) *Label

type Reader ¶

type Reader struct {
	Flag   byte
	Error  error
	Max    uint32
	Min    uint32
	Module *sections.Module
	Opcode byte

	IP int
	// contains filtered or unexported fields
}

func NewReader ¶

func NewReader(m *sections.Module, data []byte) *Reader

func (*Reader) GetByte ¶

func (r *Reader) GetByte() byte

func (*Reader) GetBytes ¶

func (r *Reader) GetBytes(count uint32) []byte

func (*Reader) GetDataType ¶

func (r *Reader) GetDataType() value.DataType

func (*Reader) GetDataTypes ¶

func (r *Reader) GetDataTypes() []value.DataType

func (*Reader) GetF32 ¶

func (r *Reader) GetF32() float32

func (*Reader) GetF64 ¶

func (r *Reader) GetF64() float64

func (*Reader) GetI32 ¶

func (r *Reader) GetI32() int32

func (*Reader) GetI64 ¶

func (r *Reader) GetI64() int64

func (*Reader) GetLimits ¶

func (r *Reader) GetLimits()

func (*Reader) GetString ¶

func (r *Reader) GetString() string

func (*Reader) GetU32 ¶

func (r *Reader) GetU32() uint32

func (*Reader) GetU64 ¶

func (r *Reader) GetU64() uint64

func (*Reader) Size ¶

func (r *Reader) Size() uint32

returns size of unread part

type Runner ¶

type Runner struct {
	Addr      uint32
	Buffer    []byte
	CallDepth int
	Error     error
	Frame     []sections.Variable
	Module    *sections.Module
	Next      helper.Instruction
	SP        int
}

func NewRunner ¶

func NewRunner(m *sections.Module) *Runner

type Writer ¶

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

func NewWriter ¶

func NewWriter() *Writer

func (*Writer) Data ¶

func (w *Writer) Data() []byte

func (*Writer) PutByte ¶

func (w *Writer) PutByte(val byte)

func (*Writer) PutBytes ¶

func (w *Writer) PutBytes(data []byte)

func (*Writer) PutDataType ¶

func (w *Writer) PutDataType(dataType value.DataType)

func (*Writer) PutDataTypes ¶

func (w *Writer) PutDataTypes(dataTypes []value.DataType)

func (*Writer) PutF32 ¶

func (w *Writer) PutF32(val float32)

func (*Writer) PutF64 ¶

func (w *Writer) PutF64(val float64)

func (*Writer) PutI32 ¶

func (w *Writer) PutI32(val int32)

func (*Writer) PutI64 ¶

func (w *Writer) PutI64(val int64)

func (*Writer) PutLimits ¶

func (w *Writer) PutLimits(min uint32, max uint32)

func (*Writer) PutString ¶

func (w *Writer) PutString(val string)

func (*Writer) PutU32 ¶

func (w *Writer) PutU32(val uint32)

func (*Writer) PutU64 ¶

func (w *Writer) PutU64(val uint64)

func (*Writer) Size ¶

func (w *Writer) Size() uint32

returns size of written part

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
spec
test Package test contains all the extra POGO that are needed to read the tests.json file that is processed by the WasmTester executor.	Package test contains all the extra POGO that are needed to read the tests.json file that is processed by the WasmTester executor.

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