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/* See LICENSE file for copyright and license details. */
#include <locale.h>

#include <libsimple.h>
#include <libsimple-arg.h>
#include <grapheme.h>

#define EXIT_STYLE         1
#define EXIT_WARNING       2
#define EXIT_UNSPECIFIED   3
#define EXIT_NONCONFIRMING 4
#define EXIT_UNDEFINED     5
#define EXIT_CRITICAL      6
#define EXIT_ERROR         7


#define LIST_WARNING_CLASSES(X)\
	X(WC_MAKEFILE, "makefile", INFORM)\
	X(WC_EXTRA_MAKEFILE, "extra-makefile", WARN)\
	X(WC_CMDLINE, "cmdline", WARN)\
	X(WC_TEXT, "text", WARN)\
	X(WC_ENCODING, "encoding", WARN)\
	X(WC_LONG_LINE, "long-line", WARN_STYLE)


enum action {
	IGNORE,
	INFORM,
	WARN_STYLE,
	WARN
};

enum warning_class {
#define X(ENUM, NAME, ACTION) ENUM,
	LIST_WARNING_CLASSES(X)
#undef X
	NUM_WARNING_CLASS
};

struct warning_class_data {
	const char *name;
	enum action action;
};

struct line {
	char *data;
	size_t len;
	const char *path;
	size_t lineno;
	int eof;
	int nest_level;
};

struct style {
	size_t max_line_length;
};


extern int exit_status;
extern struct style style;


/* makefile.c */
int open_default_makefile(const char **pathp);
void cmdline_opt_f(const char *arg, const char **makefile_pathp);
struct line *load_makefile(const char *path, size_t *nlinesp);


/* text.c */
struct line *load_text_file(int fd, const char *fname, int nest_level, size_t *nlinesp);
void check_utf8_encoding(struct line *line);
void check_column_count(struct line *line);


/* ui.c */
extern struct warning_class_data warning_classes[];
void xprintwarningf(enum warning_class class, int severity, const char *fmt, ...);
#define printinfof(CLASS, ...) xprintwarningf(CLASS, 0, __VA_ARGS__)
#define warnf_style(CLASS, ...) xprintwarningf(CLASS, EXIT_STYLE, __VA_ARGS__)
#define warnf_warning(CLASS, ...) xprintwarningf(CLASS, EXIT_WARNING, __VA_ARGS__)
#define warnf_unspecified(CLASS, ...) xprintwarningf(CLASS, EXIT_UNSPECIFIED, __VA_ARGS__)
#define warnf_undefined(CLASS, ...) xprintwarningf(CLASS, EXIT_UNDEFINED, __VA_ARGS__)
void printerrorf(const char *fmt, ...);