New tmux parser and test program.

parser-test/tmux.h

@@ -0,0 +1,62 @@
+/* Stub tmux.h for the standalone cmd-parse.y test harness.
+ *
+ * This is NOT the real tmux.h. It provides just enough for cmd-parse.y to
+ * compile and link on its own: the queue macros, the allocation/logging
+ * helpers it calls, and the small part of struct cmd_parse_input it touches.
+ * It is found ahead of the real tmux.h via the harness include path.
+ */
+
+#ifndef TMUX_TEST_STUB_H
+#define TMUX_TEST_STUB_H
+
+#include <sys/types.h>
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "compat/queue.h"
+
+#ifndef __dead
+#define __dead __attribute__((__noreturn__))
+#endif
+#ifndef __unused
+#define __unused __attribute__((__unused__))
+#endif
+#ifndef printflike
+#define printflike(a, b) __attribute__((format(printf, a, b)))
+#endif
+
+/* Allocation helpers (implemented in xstubs.c). */
+void	*xmalloc(size_t);
+void	*xcalloc(size_t, size_t);
+void	*xrealloc(void *, size_t);
+char	*xstrdup(const char *);
+char	*xstrndup(const char *, size_t);
+int	 xasprintf(char **, const char *, ...) printflike(2, 3);
+int	 xvasprintf(char **, const char *, va_list);
+
+/* Logging and fatal errors (implemented in xstubs.c). */
+void		 log_debug(const char *, ...) printflike(1, 2);
+__dead void	 fatal(const char *, ...) printflike(1, 2);
+__dead void	 fatalx(const char *, ...) printflike(1, 2);
+
+/*
+ * Parser input. The real struct has more fields, but the AST parser only
+ * touches flags, file and line.
+ */
+struct cmd_parse_input {
+	int		 flags;
+#define CMD_PARSE_QUIET 0x1
+#define CMD_PARSE_PARSEONLY 0x2
+#define CMD_PARSE_NOALIAS 0x4
+#define CMD_PARSE_VERBOSE 0x8
+#define CMD_PARSE_ONEGROUP 0x10
+	const char	*file;
+	u_int		 line;
+};
+
+#endif /* TMUX_TEST_STUB_H */