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// Package wasmruntime contains internal symbols shared between modules for error handling.
// Note: This is named wasmruntime to avoid conflicts with the normal go module.
// Note: This only imports "api" as importing "wasm" would create a cyclic dependency.
package wasmruntime
var (
// ErrRuntimeStackOverflow indicates that there are too many function calls,
// and the Engine terminated the execution.
ErrRuntimeStackOverflow = New("stack overflow")
// ErrRuntimeInvalidConversionToInteger indicates the Wasm function tries to
// convert NaN floating point value to integers during trunc variant instructions.
ErrRuntimeInvalidConversionToInteger = New("invalid conversion to integer")
// ErrRuntimeIntegerOverflow indicates that an integer arithmetic resulted in
// overflow value. For example, when the program tried to truncate a float value
// which doesn't fit in the range of target integer.
ErrRuntimeIntegerOverflow = New("integer overflow")
// ErrRuntimeIntegerDivideByZero indicates that an integer div or rem instructions
// was executed with 0 as the divisor.
ErrRuntimeIntegerDivideByZero = New("integer divide by zero")
// ErrRuntimeUnreachable means "unreachable" instruction was executed by the program.
ErrRuntimeUnreachable = New("unreachable")
// ErrRuntimeOutOfBoundsMemoryAccess indicates that the program tried to access the
// region beyond the linear memory.
ErrRuntimeOutOfBoundsMemoryAccess = New("out of bounds memory access")
// ErrRuntimeInvalidTableAccess means either offset to the table was out of bounds of table, or
// the target element in the table was uninitialized during call_indirect instruction.
ErrRuntimeInvalidTableAccess = New("invalid table access")
// ErrRuntimeIndirectCallTypeMismatch indicates that the type check failed during call_indirect.
ErrRuntimeIndirectCallTypeMismatch = New("indirect call type mismatch")
// ErrRuntimeUnalignedAtomic indicates that an atomic operation was made with incorrect memory alignment.
ErrRuntimeUnalignedAtomic = New("unaligned atomic")
// ErrRuntimeExpectedSharedMemory indicates that an operation was made against unshared memory when not allowed.
ErrRuntimeExpectedSharedMemory = New("expected shared memory")
// ErrRuntimeTooManyWaiters indicates that atomic.wait was called with too many waiters.
ErrRuntimeTooManyWaiters = New("too many waiters")
)
// Error is returned by a wasm.Engine during the execution of Wasm functions, and they indicate that the Wasm runtime
// state is unrecoverable.
type Error struct {
s string
}
func New(text string) *Error {
return &Error{s: text}
}
func (e *Error) Error() string {
return e.s
}
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