638 Commits

Author	SHA1	Message	Date
Cheer Xiao	cc932baab5	eval: Evaluate dollar forms	2013-10-06 15:10:27 +08:00
Cheer Xiao	c925871ef4	parse: Always use *ListNode for Term's	2013-10-06 14:55:28 +08:00
Cheer Xiao	585e047ca5	parse: Introduce FactorNode to represent Factor	2013-10-06 14:27:00 +08:00
Cheer Xiao	4471583e1c	eval: A little reorg	2013-10-05 00:38:18 +08:00
Cheer Xiao	c9d6a8f7ba	eval: Evaluate terms as Cartesian products of factors	2013-10-05 00:38:07 +08:00
Cheer Xiao	a4301d195f	Parse and evaluate factor of term list ... Note: the evaluation is currently a stub.	2013-10-05 00:19:40 +08:00
Cheer Xiao	c9b29f6447	Implement parsing & evaluation of terms ... What used to be terms are now just factors.	2013-10-04 23:57:49 +08:00
Cheer Xiao	526dc33aac	eval: Update comment	2013-10-02 22:58:16 +08:00
Cheer Xiao	c33c1d56ea	eval: Add builtin printchan	2013-10-02 22:56:56 +08:00
Cheer Xiao	dc71fe5bec	eval: Close the pipe channel in builtin implementation	2013-10-02 22:56:34 +08:00
Cheer Xiao	f2ccd56f27	eval: Don't close pipe channels; document redir file closing	2013-10-02 22:55:50 +08:00
Cheer Xiao	80060cc269	eval: Let builtin implementations return a string	2013-10-02 22:44:28 +08:00
Cheer Xiao	376fece703	eval: Connect pipes in ExecPipeline; support channel pipes	2013-10-02 22:41:13 +08:00
Cheer Xiao	13049b3f34	eval: Distinguish &io{} and (*io)(nil)	2013-10-02 22:24:48 +08:00
Cheer Xiao	b4cdb39195	eval: Add builtin println ... Needed for testing since \n is not yet implemented	2013-10-02 22:15:45 +08:00
Cheer Xiao	ffe86e7626	eval: Make some names private	2013-10-02 22:12:38 +08:00
Cheer Xiao	571f43eb53	eval: Support running builtins (chan IO still not supported yet)	2013-10-02 22:10:21 +08:00
Cheer Xiao	29061872c7	eval: Add builtin "print"	2013-10-02 22:10:07 +08:00
Cheer Xiao	39abd54013	eval: Update a comment	2013-10-02 21:57:41 +08:00
Cheer Xiao	5e7e5caadd	eval: Use a channel of StateUpdate to keep track of command states. ... This is more generic than returning pids, and is suitable for builtins.	2013-10-02 19:25:25 +08:00
Cheer Xiao	0838d80757	eval: Regard nil IO as closing as well	2013-10-02 18:50:57 +08:00
Cheer Xiao	0f726af1cf	eval: Simpler IO handling. ... Also, fdIO -> fileIO	2013-10-02 18:47:54 +08:00
Cheer Xiao	3b10b1d99e	eval: Support evaluating builtin commands and structured pipes. ... They cannot be executed, however...	2013-10-01 21:34:49 +08:00
Cheer Xiao	524b7669f1	eval: Fix env initing	2013-10-01 21:25:43 +08:00
Cheer Xiao	8d5e7ddfd4	eval: Cleanup	2013-09-28 15:56:44 +08:00
Cheer Xiao	939d9c74bb	eval: Separate evalCommand func	2013-09-28 15:32:29 +08:00
Cheer Xiao	9a65a6ca89	eval: add builtinCommand struct	2013-09-28 14:45:07 +08:00
Cheer Xiao	b7e9833317	eval: Use intermediate command struct to build commands	2013-09-28 14:43:12 +08:00
Cheer Xiao	3613781db2	eval: Change ExecCommand to take additional cmdType arg	2013-09-28 11:29:52 +08:00
Cheer Xiao	a756e800bb	eval: Remove outdated comment	2013-09-27 21:32:00 +08:00
Cheer Xiao	e5ea03e0c7	eval: FILE_{CLOSE,NONE} -> FD_NIL, add comment	2013-09-19 18:15:23 +08:00
Cheer Xiao	e6f0375f64	Use uintptr for fd in IO redirections. ... IO redirections use os module now, which uses uintptr for fd.	2013-09-19 18:11:01 +08:00
Cheer Xiao	40b85fdf51	eval: Small fixes	2013-09-19 17:58:52 +08:00
Cheer Xiao	5458975198	eval: Connect the pipes ... Also fixed an unclosed fd by using os.OpenFile instead of syscall.Open.	2013-09-19 17:52:38 +08:00
Cheer Xiao	f2d35b8c39	Evaluate pipeline. Pipes are not yet connected.	2013-09-19 13:20:55 +08:00
Cheer Xiao	cd43635cd3	eval: Little cleanup	2013-09-18 22:57:51 +08:00
Cheer Xiao	7fb680c98f	eval: Use defer to close files in ExecCommand	2013-09-18 22:56:30 +08:00
Cheer Xiao	0789faf57f	eval: Move evaluation & execution into package eval	2013-09-18 22:51:48 +08:00