nixf-tidy.cpp

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/// \file
/// \brief nixf-tidy, provide linting based on libnixf.
 
#include "nixf/Basic/JSONDiagnostic.h"
#include "nixf/Basic/Nodes/Basic.h"
#include "nixf/Parse/Parser.h"
#include "nixf/Sema/VariableLookup.h"
 
#include <iostream>
#include <sstream>
 
using namespace nixf;
 
namespace {
 
/// Pretty print the output.
bool PrettyPrint = false;
 
/// Enable variable lookup warnings.
bool VLA;
 
void parseArgs(int Argc, const char *Argv[]) {
  for (int I = 0; I < Argc; I++) {
    if (std::string_view(Argv[I]) == "--pretty-print")
      PrettyPrint = true;
    else if (std::string_view(Argv[I]) == "--variable-lookup")
      VLA = true;
  }
}
 
} // namespace
 
int main(int Argc, const char *Argv[]) {
  parseArgs(Argc, Argv);
  std::ostringstream Inputs;
  Inputs << std::cin.rdbuf();
  std::string Src = Inputs.str();
 
  std::vector<nixf::Diagnostic> Diags;
  std::shared_ptr<nixf::Node> AST = nixf::parse(Src, Diags);
 
  if (VLA) {
    VariableLookupAnalysis V(Diags);
    if (AST)
      V.runOnAST(*AST);
  }
 
  nlohmann::json V;
  to_json(V, Diags);
 
  if (PrettyPrint)
    std::cout << std::setw(4);
  std::cout << V << "\n";
  return 0;
}