public ActionResult <Result> Post([FromBody] Dto dto)
{
if (dto == null || string.IsNullOrEmpty(dto.Text))
{
return(BadRequest());
}
string add = dto.Text.Last().Equals('\n') ? " " : "\n";
OuterLexemes lex = _manager.LexicalAnalyzer(dto.Text + add);
SyntaxResult syn = _manager.SyntaxAnalyzer(lex);
if (!syn.Success)
{
return(new Result
{
OuterLexemes = lex,
SyntaxResult = syn,
ReferenceNumber = Guid.NewGuid()
});
}
PolishResult polishResult = _polishManager.Run(lex);
Guid referenceNumber = Guid.NewGuid();
_cache.Set(referenceNumber, new ExecutionPoint {
PolishResult = polishResult
});
return(new Result
{
OuterLexemes = lex,
SyntaxResult = syn,
// todo Use AutoMapper
PolishResult = new PolishResultDto
{
ReversePolishNotation = string.Join(" ", polishResult.ReversePolishNotation.Select(pn => pn.Token)),
Trace = polishResult.Trace.Select(t => new PolishTraceDto
{
Input = t.Input,
Stack = string.Join(" | ", t.Stack.Select(pn => pn.Token)),
ReversePolishNotation = string.Join(" ", t.ReversePolishNotation.Select(pn => pn.Token))
})
},
ReferenceNumber = referenceNumber
});
}
public PolishResult Run(OuterLexemes lexemes)
{
_i = 3; // skip program <program name> & delimiter
_outerLexemes = lexemes;
_labelNumber = 0;
_labelAddresses.Clear();
ReversePolishNotation.Clear();
ParseStatementsList();
return(new PolishResult
{
ReversePolishNotation = ReversePolishNotation,
Trace = Trace,
LabelAddresses = _labelAddresses
});
}
private List <SyntaxError> SyntaxParse(OuterLexemes lexemes)
{
int i = 0;
if (lexemes.Errors.Any())
{
SyntaxErr.Add(new SyntaxError
{
Line = 0,
Text = "Lexical errors detected"
});
return(SyntaxErr);
}
ParseProgram(lexemes.Lexemes, ref i);
return(SyntaxErr);
}
public SyntaxResult SyntaxAnalyzer(OuterLexemes lexemes)
{
try
{
List <SyntaxError> res = SyntaxParse(lexemes);
return(new SyntaxResult
{
Success = !res?.Any() ?? true,
Text = res
});
}
catch (SyntaxException e)
{
return(new SyntaxResult
{
Success = false,
Text = new List <SyntaxError> {
new SyntaxError {
Text = e.Message
}
}
});
}
}