Import sources from 2011-03-30 iso image

1 files changed, 53 insertions, 0 deletions

diff --git a/sys/src/ape/cmd/pdksh/c_test.h b/sys/src/ape/cmd/pdksh/c_test.h
new file mode 100755
index 000000000..951dd9abd
--- /dev/null
+++ b/sys/src/ape/cmd/pdksh/c_test.h
@@ -0,0 +1,53 @@
+/* Various types of operations.  Keeping things grouped nicely
+ * (unary,binary) makes switch() statements more efficeint.
+ */
+enum Test_op {
+	TO_NONOP = 0,	/* non-operator */
+	/* unary operators */
+	TO_STNZE, TO_STZER, TO_OPTION,
+	TO_FILAXST,
+	TO_FILEXST,
+	TO_FILREG, TO_FILBDEV, TO_FILCDEV, TO_FILSYM, TO_FILFIFO, TO_FILSOCK,
+	TO_FILCDF, TO_FILID, TO_FILGID, TO_FILSETG, TO_FILSTCK, TO_FILUID,
+	TO_FILRD, TO_FILGZ, TO_FILTT, TO_FILSETU, TO_FILWR, TO_FILEX,
+	/* binary operators */
+	TO_STEQL, TO_STNEQ, TO_STLT, TO_STGT, TO_INTEQ, TO_INTNE, TO_INTGT,
+	TO_INTGE, TO_INTLT, TO_INTLE, TO_FILEQ, TO_FILNT, TO_FILOT
+};
+typedef enum Test_op Test_op;
+
+/* Used by Test_env.isa() (order important - used to index *_tokens[] arrays) */
+enum Test_meta {
+	TM_OR,		/* -o or || */
+	TM_AND,		/* -a or && */
+	TM_NOT,		/* ! */
+	TM_OPAREN,	/* ( */
+	TM_CPAREN,	/* ) */
+	TM_UNOP,	/* unary operator */
+	TM_BINOP,	/* binary operator */
+	TM_END		/* end of input */
+};
+typedef enum Test_meta Test_meta;
+
+#define TEF_ERROR	BIT(0)		/* set if we've hit an error */
+#define TEF_DBRACKET	BIT(1)		/* set if [[ .. ]] test */
+
+typedef struct test_env Test_env;
+struct test_env {
+	int	flags;		/* TEF_* */
+	union {
+		char	**wp;		/* used by ptest_* */
+		XPtrV	*av;		/* used by dbtestp_* */
+	} pos;
+	char **wp_end;			/* used by ptest_* */
+	int	(*isa) ARGS((Test_env *te, Test_meta meta));
+	const char *(*getopnd) ARGS((Test_env *te, Test_op op, int do_eval));
+	int	(*eval) ARGS((Test_env *te, Test_op op, const char *opnd1,
+				 const char *opnd2, int do_eval));
+	void	(*error) ARGS((Test_env *te, int offset, const char *msg));
+};
+
+Test_op	test_isop ARGS((Test_env *te, Test_meta meta, const char *s));
+int     test_eval ARGS((Test_env *te, Test_op op, const char *opnd1,
+			const char *opnd2, int do_eval));
+int	test_parse ARGS((Test_env *te));