673a657e08
This adds tests that pass without changing deferred error handling. There are some tests that don't pass even without deferred error handling. I'll add those in a separate PR. Signed-off-by: Adrian Cole <adrian@tetrate.io>
45 lines
2.1 KiB
Go
45 lines
2.1 KiB
Go
// Package wasmruntime contains internal symbols shared between modules for error handling.
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// Note: This is named wasmruntime to avoid conflicts with the normal go module.
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// Note: This only imports "api" as importing "wasm" would create a cyclic dependency.
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package wasmruntime
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var (
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// ErrRuntimeCallStackOverflow indicates that there are too many function calls,
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// and the Engine terminated the execution.
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ErrRuntimeCallStackOverflow = New("callstack overflow")
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// ErrRuntimeInvalidConversionToInteger indicates the Wasm function tries to
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// convert NaN floating point value to integers during trunc variant instructions.
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ErrRuntimeInvalidConversionToInteger = New("invalid conversion to integer")
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// ErrRuntimeIntegerOverflow indicates that an integer arithmetic resulted in
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// overflow value. For example, when the program tried to truncate a float value
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// which doesn't fit in the range of target integer.
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ErrRuntimeIntegerOverflow = New("integer overflow")
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// ErrRuntimeIntegerDivideByZero indicates that an integer div or rem instructions
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// was executed with 0 as the divisor.
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ErrRuntimeIntegerDivideByZero = New("integer divide by zero")
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// ErrRuntimeUnreachable means "unreachable" instruction was executed by the program.
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ErrRuntimeUnreachable = New("unreachable")
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// ErrRuntimeOutOfBoundsMemoryAccess indicates that the program tried to access the
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// region beyond the linear memory.
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ErrRuntimeOutOfBoundsMemoryAccess = New("out of bounds memory access")
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// ErrRuntimeInvalidTableAccess means either offset to the table was out of bounds of table, or
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// the target element in the table was uninitialized during call_indirect instruction.
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ErrRuntimeInvalidTableAccess = New("invalid table access")
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// ErrRuntimeIndirectCallTypeMismatch indicates that the type check failed during call_indirect.
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ErrRuntimeIndirectCallTypeMismatch = New("indirect call type mismatch")
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)
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// Error is returned by a wasm.Engine during the execution of Wasm functions, and they indicate that the Wasm runtime
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// state is unrecoverable.
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type Error struct {
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s string
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}
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func New(text string) *Error {
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return &Error{s: text}
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}
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func (e *Error) Error() string {
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return e.s
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}
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