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99 commits

Author SHA1 Message Date
zik.saleeba 32727cc365 Native pointers feature added 
git-svn-id: http://picoc.googlecode.com/svn/trunk@331 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-05 00:55:54 +00:00
zik.saleeba 3a1e39f9d3 New fancy error reporting feature makes nice error messages 
git-svn-id: http://picoc.googlecode.com/svn/trunk@330 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-04 07:41:06 +00:00
zik.saleeba 44eb3d3def Now handles "4 = b;" correctly (ie. with an error message) 
Also fixed a problem with prompting again for more input on EOF.


git-svn-id: http://picoc.googlecode.com/svn/trunk@324 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-03 02:15:25 +00:00
zik.saleeba d38b4fa617 Added nicer error reports to parameter assignment 
git-svn-id: http://picoc.googlecode.com/svn/trunk@323 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-03 00:26:14 +00:00
zik.saleeba eb6f323f06 HeapAlloc() changed to HeapAllocMem() to avoid clash with win32 namespace. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@321 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-02 08:00:02 +00:00
zik.saleeba bb0d19a733 Now conforms fully to the ISO C90 standard 
git-svn-id: http://picoc.googlecode.com/svn/trunk@320 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-02 07:50:46 +00:00
zik.saleeba 825c393240 Reworking of how assignment works. Now all places which do assignment of values 
should work the same.


git-svn-id: http://picoc.googlecode.com/svn/trunk@314 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-02 05:51:51 +00:00
zik.saleeba 4949ad046a Added type coercion to floating point from numeric types in parameters. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@295 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-27 05:03:48 +00:00
zik.saleeba 207029259c Helpful comments added on tokens 
git-svn-id: http://picoc.googlecode.com/svn/trunk@283 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-24 00:22:04 +00:00
zik.saleeba 5dcde3d5ea Fix for a bug where variables which were initialised on declaration weren't writable. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@279 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-14 00:21:29 +00:00
zik.saleeba a76fc34881 By popular demand I'm adding support for native pointers. It's a work in progress - not working yet. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@277 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-06 00:25:09 +00:00
zik.saleeba 20c649d7ef Added some changes for umon suggested by Ed Sutter 
git-svn-id: http://picoc.googlecode.com/svn/trunk@275 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-05 22:12:59 +00:00
zik.saleeba 997f0c119f Fixed a char * arithmetic bug 
git-svn-id: http://picoc.googlecode.com/svn/trunk@273 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-29 03:24:15 +00:00
zik.saleeba b6e61dd8ab Created a stream output system. 
Implemented sprintf().

git-svn-id: http://picoc.googlecode.com/svn/trunk@271 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-27 04:56:58 +00:00
zik.saleeba 4ea76ea5b3 Changed dereferencing to handle arrays correctly. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@269 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-26 03:26:04 +00:00
zik.saleeba c805b3fdec Added ability to print types in error messages 
git-svn-id: http://picoc.googlecode.com/svn/trunk@268 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-24 01:02:25 +00:00
zik.saleeba 95f2b3e193 Characters are now actually stored as char and coerced to other types when necessary. 
Parameters are passed as the requested types and coerced where appropriate.
Assignments are now a function rather than a macro.
Cleaned up some comments in lex.c.
Small valued integer constants are passed as char constants to save space.


git-svn-id: http://picoc.googlecode.com/svn/trunk@262 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-22 12:06:58 +00:00
zik.saleeba e5fa7017f0 Better checks on pointers. 
Pointer offsets are now honoured.


git-svn-id: http://picoc.googlecode.com/svn/trunk@259 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-22 07:23:26 +00:00
zik.saleeba 096def8f55 Pointer arithmetic and NULL pointer support added 
git-svn-id: http://picoc.googlecode.com/svn/trunk@255 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-19 11:49:01 +00:00
zik.saleeba 2e22614595 Final problems with the new expression system fixed 
git-svn-id: http://picoc.googlecode.com/svn/trunk@248 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-15 10:47:51 +00:00
zik.saleeba 16922d2e73 library struct example for Howard 
git-svn-id: http://picoc.googlecode.com/svn/trunk@219 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-07 10:48:46 +00:00
zik.saleeba ccbf149212 Fixed a problem with interactive mode error handling. 
Will need some extra work for Surveyor... tomorrow.


git-svn-id: http://picoc.googlecode.com/svn/trunk@215 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-31 11:08:29 +00:00
zik.saleeba 79c7619dab New expression system now handles simple numeric values 
git-svn-id: http://picoc.googlecode.com/svn/trunk@214 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-30 11:16:40 +00:00
zik.saleeba 45a378231b More work on expressions 
git-svn-id: http://picoc.googlecode.com/svn/trunk@213 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-29 11:08:03 +00:00
zik.saleeba 1ab28fcfb7 Took a first stab at implementing new/delete. Needs a bit more thought on how to handle dangling references to deallocated storage. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@211 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-16 04:25:58 +00:00
zik.saleeba ce80c66e8f Added new "delete" keyword, used for undefining variables or functions 
in interactive mode.


git-svn-id: http://picoc.googlecode.com/svn/trunk@206 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-15 10:44:56 +00:00
zik.saleeba a414de85e5 getchar()/gets() implemented 
git-svn-id: http://picoc.googlecode.com/svn/trunk@205 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-15 09:57:19 +00:00
zik.saleeba 207549bf17 Reorganised platform/library stuff for better separation between 
platforms.
Removed unnecessary union in pointers.


git-svn-id: http://picoc.googlecode.com/svn/trunk@203 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-15 07:07:21 +00:00
zik.saleeba 48a6472c68 All allocations are now cleaned up neatly on exit. This is probably unnecessary given that we run our own heap but gives confidence that there are no internal memory leaks. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@199 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-11 23:49:10 +00:00
zik.saleeba 0523bd570d String literal array values are now shared and deallocated cleanly 
git-svn-id: http://picoc.googlecode.com/svn/trunk@197 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-11 22:28:42 +00:00
zik.saleeba 6f7daf0145 Now cleaning up types too 
git-svn-id: http://picoc.googlecode.com/svn/trunk@195 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-11 10:17:46 +00:00
zik.saleeba 028c98d665 Now cleaning up more stuff 
git-svn-id: http://picoc.googlecode.com/svn/trunk@194 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-11 10:01:32 +00:00
zik.saleeba a22c243c06 Doing some work on cleaning up more nicely on exit. 
Also allowing the use of the native heap allocator as an option.

git-svn-id: http://picoc.googlecode.com/svn/trunk@192 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-11 02:19:18 +00:00
zik.saleeba 23bce9d38a enums implemented 
git-svn-id: http://picoc.googlecode.com/svn/trunk@180 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-09 22:36:01 +00:00
zik.saleeba dc04ba8dd0 Split parsing across two files parse.c and the new expression.c 
git-svn-id: http://picoc.googlecode.com/svn/trunk@170 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-08 07:56:28 +00:00
zik.saleeba 46c4bad533 Interactive mode now works. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@167 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-08 04:26:28 +00:00
zik.saleeba 05d377e49d First stab at interactive mode needs debug. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@164 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-07 11:23:42 +00:00
zik.saleeba f5fac3fdf2 First stab at making lists of tokens from interactive input. Not ready yet. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@162 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-07 07:49:17 +00:00
zik.saleeba 8a5ed05fd2 Now copying function tokens so when we're in interactive mode we can free the original tokens without 
losing the box and dice.


git-svn-id: http://picoc.googlecode.com/svn/trunk@161 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-07 06:17:11 +00:00
zik.saleeba 86bb48b158 #define now works for simple unparameterised expression macros 
git-svn-id: http://picoc.googlecode.com/svn/trunk@159 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-06 07:27:45 +00:00
zik.saleeba 3bdbb51d5c Now allowing multiple declarations in one statement 
git-svn-id: http://picoc.googlecode.com/svn/trunk@157 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-06 06:00:51 +00:00
zik.saleeba 8020a9ca57 Expression fiddling 
git-svn-id: http://picoc.googlecode.com/svn/trunk@151 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-04 10:09:56 +00:00
zik.saleeba a3ab81ca23 Starting to code the new expression system 
git-svn-id: http://picoc.googlecode.com/svn/trunk@148 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-03 10:53:45 +00:00
zik.saleeba 676c937a7b Fixed bug in stdarg handling of non-stack values 
git-svn-id: http://picoc.googlecode.com/svn/trunk@142 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-02 22:13:47 +00:00
zik.saleeba 7003b55ead Library functions now get Parser as a parameter 
git-svn-id: http://picoc.googlecode.com/svn/trunk@134 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-02-28 22:14:55 +00:00
zik.saleeba d98c55d5e5 Platform-shared global variables implemented 
git-svn-id: http://picoc.googlecode.com/svn/trunk@130 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-02-28 20:46:02 +00:00
zik.saleeba b6b75396dd Added all remaining operators with a view to completing expression evaluation 
git-svn-id: http://picoc.googlecode.com/svn/trunk@124 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-02-28 19:30:48 +00:00
zik.saleeba 6ce1662475 Platform-dependent exit() function for Surveyor 
git-svn-id: http://picoc.googlecode.com/svn/trunk@121 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-02-28 05:43:28 +00:00
zik.saleeba 73d91b6202 Change to add extra lvalue information to values 
git-svn-id: http://picoc.googlecode.com/svn/trunk@117 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-02-26 09:56:22 +00:00
zik.saleeba 3558506261 Fiddling with pointers 
git-svn-id: http://picoc.googlecode.com/svn/trunk@115 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-02-25 11:14:46 +00:00