pipeline.h

#pragma once
#include <random>
#include <stdint.h>
#include <windows.h>
#include <intrin.h>
#include "utils.h"
#include "deps/simdjson/simdjson.h"

#if !defined(LANE_WIDTH)
#define LANE_WIDTH 8
#endif

#define MAX_MSG_SIZE 256

enum class PipelineError : int64_t {
	SUCCESS = 0,                ///< No error
	CAPACITY,                   ///< This parser can't support a document that big
	MEMALLOC,                   ///< Error allocating memory, most likely out of memory
	TAPE_ERROR,                 ///< Something went wrong, this is a generic error
	DEPTH_ERROR,                ///< Your document exceeds the user-specified depth limitation
	STRING_ERROR,               ///< Problem while parsing a string
	T_ATOM_ERROR,               ///< Problem while parsing an atom starting with the letter 't'
	F_ATOM_ERROR,               ///< Problem while parsing an atom starting with the letter 'f'
	N_ATOM_ERROR,               ///< Problem while parsing an atom starting with the letter 'n'
	NUMBER_ERROR,               ///< Problem while parsing a number
	BIGINT_ERROR,               ///< The integer value exceeds 64 bits
	UTF8_ERROR,                 ///< the input is not valid UTF-8
	UNINITIALIZED,              ///< unknown error, or uninitialized document
	EMPTY,                      ///< no structural element found
	UNESCAPED_CHARS,            ///< found unescaped characters in a string.
	UNCLOSED_STRING,            ///< missing quote at the end
	UNSUPPORTED_ARCHITECTURE,   ///< unsupported architecture
	INCORRECT_TYPE,             ///< JSON element has a different type than user expected
	NUMBER_OUT_OF_RANGE,        ///< JSON number does not fit in 64 bits
	INDEX_OUT_OF_BOUNDS,        ///< JSON array index too large
	NO_SUCH_FIELD,              ///< JSON field not found in object
	IO_ERROR,                   ///< Error reading a file
	INVALID_JSON_POINTER,       ///< Invalid JSON pointer syntax
	INVALID_URI_FRAGMENT,       ///< Invalid URI fragment
	UNEXPECTED_ERROR,           ///< indicative of a bug in simdjson
	PARSER_IN_USE,              ///< parser is already in use.
	OUT_OF_ORDER_ITERATION,     ///< tried to iterate an array or object out of order (checked when SIMDJSON_DEVELOPMENT_CHECKS=1)
	INSUFFICIENT_PADDING,       ///< The JSON doesn't have enough padding for simdjson to safely parse it.
	INCOMPLETE_ARRAY_OR_OBJECT, ///< The document ends early.
	SCALAR_DOCUMENT_AS_VALUE,   ///< A scalar document is treated as a value.
	OUT_OF_BOUNDS,              ///< Attempted to access location outside of document.
	TRAILING_CONTENT,           ///< Unexpected trailing content in the JSON input
	NUM_ERROR_CODES
};

struct PipelineResult {
	PipelineError error;
	std::vector<int32_t> values;
};

PipelineResult ExecutePipeline(char* message_buffer, size_t message_buffer_size, std::string_view input_file_path, unsigned int seed);