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package stack
import (
"errors"
"fmt"
)
var (
ErrStackOverflow = errors.New("stack overflow (max depth: 1000)")
ErrStackUnderflow = errors.New("local stack underflow")
ErrReachedMaxCallDepth = errors.New("reached max call depth (max depth: 1000)")
ErrReachedRootCallFrame = errors.New("reached root call frame")
ErrNotAtRootCallFrame = errors.New("not at root call frame")
ErrCallBaseCantBeNegative = errors.New("call base cannot be negative")
)
type ErrLocalIndexOutOfBounds struct {
Index int
Len int
}
func (e ErrLocalIndexOutOfBounds) Error() string {
return fmt.Sprintf("local index out of bounds: %d (len: %d)", e.Index, e.Len)
}
type ErrStackIndexOutOfBounds struct {
Index int
Len int
}
func (e ErrStackIndexOutOfBounds) Error() string {
return fmt.Sprintf("stack index out of bounds: %d (len: %d)", e.Index, e.Len)
}
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