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Use result type query methods on Decoder.Result

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This commit is contained in:
Josh Holtrop 2023-03-09 19:04:15 -05:00
parent b00f53050b
commit 30004c571d
1 changed files with 22 additions and 8 deletions
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30
assets/parser.d.erb
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@ -38,30 +38,44 @@ class <%= @classname %>
{
struct Result
{
enum : ubyte
enum Type
{
SUCCESS,
EOF,
DECODE_ERROR,
}
ubyte result;
alias result this;
private Type type;
uint code_point;
uint code_point_length;
static Result success(uint code_point, uint code_point_length)
{
return Result(SUCCESS, code_point, code_point_length);
return Result(Type.SUCCESS, code_point, code_point_length);
}
bool is_success()
{
return type == Type.SUCCESS;
}
static Result eof()
{
return Result(EOF);
return Result(Type.EOF);
}
bool is_eof()
{
return type == Type.EOF;
}
static Result decode_error()
{
return Result(DECODE_ERROR);
return Result(Type.DECODE_ERROR);
}
bool is_decode_error()
{
return type == Type.DECODE_ERROR;
}
}
@ -255,13 +269,13 @@ class <%= @classname %>
for (;;)
{
auto decoded = Decoder.decode_code_point(m_input[(m_input_position + attempt_match_info.length)..(m_input.length)]);
if (decoded == Decoder.Result.DECODE_ERROR)
if (decoded.is_decode_error())
{
lt.token = _TOKEN_DECODE_ERROR;
return lt;
}
bool lex_continue = false;
if (decoded != Decoder.Result.EOF)
if (!decoded.is_eof())
{
uint dest = transition(current_state, decoded.code_point);
if (dest != cast(uint)-1)