/**
* Free registers of variables no longer referenced.
*/
func (p *VariablePool) Free(location parser.State16) {
for _, v := range p._map {
index := len(v.locations) - 1
if index < 0 {
continue
}
lastloc := v.locations[index].End()
if lastloc < location.End() {
// Last reference in routine was farther
// than current scan location
v.Deallocate()
}
}
}
func errorExpectingOneOf(tok parser.State16, src *string, expected []parser.Rule) error {
expected_str := make([]string, 0, len(expected))
for i, expect := range expected {
expected_str[i] = parser.Rul3s[expect]
}
return newError(
"Unexpected ",
parser.Rul3s[tok.Rule],
" at line ",
line_no(src, tok.Begin()),
". Expected one of (",
strings.Join(expected_str, ","),
").",
)
}