path: root/src/relooper/Relooper.cpp

#include "Relooper.h"

#include <string.h>
#include <stdlib.h>
#include <list>
#include <stack>

#if EMSCRIPTEN
#include "ministring.h"
#else
#include <string>
typedef std::string ministring;
#endif

template <class T, class U> bool contains(const T& container, const U& contained) {
  return container.find(contained) != container.end();
}

#if DEBUG
static void PrintDebug(const char *Format, ...);
#define DebugDump(x, ...) Debugging::Dump(x, __VA_ARGS__)
#else
#define PrintDebug(x, ...)
#define DebugDump(x, ...)
#endif

#define INDENTATION 1

struct Indenter {
  static int CurrIndent;

  static void Indent() { CurrIndent++; }
  static void Unindent() { CurrIndent--; }
};

static void PrintIndented(const char *Format, ...);
static void PutIndented(const char *String);

static char *OutputBufferRoot = NULL;
static char *OutputBuffer = NULL;
static int OutputBufferSize = 0;

void PrintIndented(const char *Format, ...) {
  assert(OutputBuffer);
  assert(OutputBuffer + Indenter::CurrIndent*INDENTATION - OutputBufferRoot < OutputBufferSize);
  for (int i = 0; i < Indenter::CurrIndent*INDENTATION; i++, OutputBuffer++) *OutputBuffer = ' ';
  va_list Args;
  va_start(Args, Format);
  int left = OutputBufferSize - (OutputBuffer - OutputBufferRoot);
  int written = vsnprintf(OutputBuffer, left, Format, Args);
  assert(written < left);
  OutputBuffer += written;
  va_end(Args);
}

void PutIndented(const char *String) {
  assert(OutputBuffer);
  assert(OutputBuffer + Indenter::CurrIndent*INDENTATION - OutputBufferRoot < OutputBufferSize);
  for (int i = 0; i < Indenter::CurrIndent*INDENTATION; i++, OutputBuffer++) *OutputBuffer = ' ';
  int left =