wasmtime::Trap Class Reference

Information about a WebAssembly trap. More...

#include <trap.hh>

Public Member Functions
	Trap (std::string_view msg)
	Creates a new host-defined trap with the specified message.
std::string	message () const
	Returns the descriptive message associated with this trap.
Trace	trace () const
std::optional< wasmtime_trap_code_t >	code () const
	Returns the trap code associated with this trap, or nothing if it was a manually created trap.

Friends
class	Linker
class	Instance
class	Func
template<typename Params , typename Results >
class	TypedFunc

Detailed Description

Information about a WebAssembly trap.

Traps can happen during normal wasm execution (such as the unreachable instruction) but they can also happen in host-provided functions to a host function can simulate raising a trap.

Traps have a message associated with them as well as a trace of WebAssembly frames on the stack.

Member Function Documentation

trace()

Trace wasmtime::Trap::trace ( ) const

inline

Returns the trace of WebAssembly frames associated with this trap.

Note that the trace cannot outlive this error object.

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The documentation for this class was generated from the following file:

• trap.hh