vm

package

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Versions in this module

v1

v1.17.7

Dec 14, 2025

Changes in this version

type Opcode

+ const OpAnd

+ const OpOr

v1.17.6

Jul 24, 2025 GO-2025-4245

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.17.5

Jun 3, 2025 GO-2025-4245

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.17.4

May 27, 2025 GO-2025-4245

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.17.3

May 12, 2025 GO-2025-4245

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.17.2

Mar 24, 2025 GO-2025-4245

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.17.1

Mar 18, 2025 GO-2025-4245

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.17.0

Mar 15, 2025 GO-2025-4245

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type VM

+ MemoryBudget uint

v1.16.9

May 27, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.16.8

May 24, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.16.7

May 8, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.16.6

May 8, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.16.5

Apr 16, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.16.4

Apr 10, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.16.3

Mar 27, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

v1.16.2

Mar 20, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type Opcode

+ const OpProfileEnd

+ const OpProfileStart

+ type Span struct

+ Children []*Span

+ Duration int64

+ Expression string

+ Name string

+ func GetSpan(program *Program) *Span

v1.16.1

Feb 18, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type Opcode

+ const OpCallSafe

+ const OpCreate

+ const OpSort

+ const OpSortBy

type Program

+ func (program *Program) Locations() []file.Location

+ type SafeFunction = func(params ...any) (any, uint, error)

v1.16.0

Jan 24, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type Program

+ func (program *Program) Node() ast.Node

type VM

+ Scopes []*Scope

+ Variables []any

v1.15.8

Jan 6, 2024 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type Opcode

+ const OpValidateArgs

v1.15.7

Dec 10, 2023 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

type Program

+ func (program *Program) Source() *file.Source

v1.15.6

Dec 3, 2023 GO-2025-3525 +1 more

GO-2025-3525: Memory Exhaustion in Expr Parser with Unrestricted Input in github.com/expr-lang/expr

GO-2025-4245: Expr has Denial of Service via Unbounded Recursion in Builtin Functions in github.com/expr-lang/expr

Changes in this version

+ var FuncTypes = []any

+ var MemoryBudget uint = 1e6

+ func Run(program *Program, env any) (any, error)

+ type Function = func(params ...any) (any, error)

+ type Opcode byte

+ const OpAdd

+ const OpArray

+ const OpBegin

+ const OpCall

+ const OpCall0

+ const OpCall1

+ const OpCall2

+ const OpCall3

+ const OpCallBuiltin1

+ const OpCallFast

+ const OpCallN

+ const OpCallTyped

+ const OpCast

+ const OpContains

+ const OpDecrementIndex

+ const OpDeref

+ const OpDivide

+ const OpEnd

+ const OpEndsWith

+ const OpEqual

+ const OpEqualInt

+ const OpEqualString

+ const OpExponent

+ const OpFalse

+ const OpFetch

+ const OpFetchField

+ const OpGetAcc

+ const OpGetCount

+ const OpGetGroupBy

+ const OpGetIndex

+ const OpGetLen

+ const OpGroupBy

+ const OpIn

+ const OpIncrementCount

+ const OpIncrementIndex

+ const OpInt

+ const OpInvalid

+ const OpJump

+ const OpJumpBackward

+ const OpJumpIfEnd

+ const OpJumpIfFalse

+ const OpJumpIfNil

+ const OpJumpIfNotNil

+ const OpJumpIfTrue

+ const OpLen

+ const OpLess

+ const OpLessOrEqual

+ const OpLoadConst

+ const OpLoadEnv

+ const OpLoadFast

+ const OpLoadField

+ const OpLoadFunc

+ const OpLoadMethod

+ const OpLoadVar

+ const OpMap

+ const OpMatches

+ const OpMatchesConst

+ const OpMethod

+ const OpModulo

+ const OpMore

+ const OpMoreOrEqual

+ const OpMultiply

+ const OpNegate

+ const OpNil

+ const OpNot

+ const OpPointer

+ const OpPop

+ const OpPush

+ const OpRange

+ const OpSetAcc

+ const OpSetIndex

+ const OpSlice

+ const OpStartsWith

+ const OpStore

+ const OpSubtract

+ const OpThrow

+ const OpTrue

+ type Program struct

+ Arguments []int

+ Bytecode []Opcode

+ Constants []any

+ func NewProgram(source *file.Source, locations []file.Location, variables []any, ...) *Program

+ func (program *Program) Disassemble() string

+ func (program *Program) DisassembleWriter(w io.Writer)

+ type Scope struct

+ Acc any

+ Array reflect.Value

+ Count int

+ GroupBy map[any][]any

+ Index int

+ Len int

+ type VM struct

+ func Debug() *VM

+ func (vm *VM) Position() chan int

+ func (vm *VM) Run(program *Program, env any) (_ any, err error)

+ func (vm *VM) Scope() *Scope

+ func (vm *VM) Stack() []any

+ func (vm *VM) Step()

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