#pragma once

#include "decl.h"
#include "pch.h"

namespace bed::internal::syntax::c {
struct CParser {
  void **v_state;
  CState *state;
  std::string_view line;
  bool still_empty = true;
  uint32_t i = 0;

  CParser(void **v_state, std::string_view line)
      : v_state(v_state), state((CState *)*v_state), line(line) {}

  uint32_t len() const {
    return line.size();
  }

  CState::CInternalState &current() {
    return state->stack()[state->top - 1];
  }

  char peek(int32_t offset = 0) {
    uint32_t pos = i + offset;
    return pos < line.size() ? line[pos] : '\0';
  }

  std::string_view peek_str(uint32_t len) {
    return line.substr(i, len);
  }

  void advance() {
    ++i;
  }

  void advance(uint32_t n) {
    i += n;
  }

  void push_state() {
    state->top++;
    state = (CState *)realloc(
      state,
      sizeof(CState)
        + sizeof(CState::CInternalState) * state->top
    );
    current() = {
      .brace_level = 1,
      .state = CState::CInternalState::NONE,
      .flags = 0
    };
  }

  void pop_state() {
    state->top--;
  }
};

void c_parse(
  void **v_state, std::string_view line, bool first_line,
  std::vector<io::Token> *tokens, std::vector<ParseEvent> *events
);
} // namespace bed::internal::syntax::c