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#pragma once
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include "klib/kvec.h"
#include "nvim/mbyte_defs.h"
/// One parsed line
typedef struct {
const char *data; ///< Parsed line pointer
size_t size; ///< Parsed line size
bool allocated; ///< True if line may be freed.
} ParserLine;
/// Line getter type for parser
///
/// Line getter must return {NULL, 0} for EOF.
typedef void (*ParserLineGetter)(void *cookie, ParserLine *ret_pline);
/// Parser position in the input
typedef struct {
size_t line; ///< Line index in ParserInputReader.lines.
size_t col; ///< Byte index in the line.
} ParserPosition;
/// Parser state item.
typedef struct {
enum {
kPTopStateParsingCommand = 0,
kPTopStateParsingExpression,
} type;
union {
struct {
enum {
kExprUnknown = 0,
} type;
} expr;
} data;
} ParserStateItem;
/// Structure defining input reader
typedef struct {
/// Function used to get next line.
ParserLineGetter get_line;
/// Data for get_line function.
void *cookie;
/// All lines obtained by get_line.
kvec_withinit_t(ParserLine, 4) lines;
/// Conversion, for :scriptencoding.
vimconv_T conv;
} ParserInputReader;
/// Highlighted region definition
///
/// Note: one chunk may highlight only one line.
typedef struct {
ParserPosition start; ///< Start of the highlight: line and column.
size_t end_col; ///< End column, points to the start of the next character.
const char *group; ///< Highlight group.
} ParserHighlightChunk;
/// Highlighting defined by a parser
typedef kvec_withinit_t(ParserHighlightChunk, 16) ParserHighlight;
/// Structure defining parser state
typedef struct {
/// Line reader.
ParserInputReader reader;
/// Position up to which input was parsed.
ParserPosition pos;
/// Parser state stack.
kvec_withinit_t(ParserStateItem, 16) stack;
/// Highlighting support.
ParserHighlight *colors;
/// True if line continuation can be used.
bool can_continuate;
} ParserState;
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