func buildChar(b *builder, op *lex8.Token) *ref {
v, e := strconv.Unquote(op.Lit)
if e != nil {
b.Errorf(op.Pos, "invalid char: %s", e)
return nil
} else if len(v) != 1 {
b.Errorf(op.Pos, "invalid char in quote: %q", v)
return nil
}
return newRef(types.Uint8, ir.Num(uint32(v[0])))
}
func buildInt(b *builder, op *lex8.Token) *ref {
ret, e := strconv.ParseInt(op.Lit, 0, 32)
if e != nil {
b.Errorf(op.Pos, "invalid integer: %s", e)
return nil
}
if ret < math.MinInt32 {
b.Errorf(op.Pos, "integer too small to fit in 32-bit")
return nil
} else if ret > math.MaxUint32 {
b.Errorf(op.Pos, "integer too large to fit in 32-bit")
return nil
} else if ret > math.MaxInt32 {
// must be unsigned integer
return newRef(types.Uint, ir.Num(uint32(ret)))
}
return newRef(types.Int, ir.Snum(int32(ret)))
}