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72 commits

Author SHA1 Message Date
zik.saleeba 50b45890bc Fixed array indexing issue. 
Fixed problem in index() and rindex() NULL pointer returns.
Nicer handling of printing NULL pointers.
New test suite for strings.


git-svn-id: http://picoc.googlecode.com/svn/trunk@353 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-28 21:34:51 +00:00
zik.saleeba 66f40f6310 Fixed issue #60 - addresses of array indexes not working correctly. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@352 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-28 20:55:51 +00:00
zik.saleeba 7a407782bb Fixed a problem with indexing arrays of char. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@351 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-28 20:36:16 +00:00
zik.saleeba b0c74d8c00 Fixed a bug in pointer coercion which was breaking string functions. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@350 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-26 20:00:01 +00:00
zik.saleeba 24a601271a malloc() and free() implemented. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@346 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-25 20:50:56 +00:00
zik.saleeba c6d483ee6f Unsigned types now exist. They're probably not handled quite correctly in expressions yet though. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@345 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-25 11:54:34 +00:00
zik.saleeba 8c7434424d Native pointers no longer carry their size with them. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@344 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-23 19:01:32 +00:00
zik.saleeba d5811d37d5 printf() now supports field widths, zero-padding and left/right justification. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@342 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-22 20:08:43 +00:00
zik.saleeba 196331d6ba 'short' data type added 
git-svn-id: http://picoc.googlecode.com/svn/trunk@340 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-11 11:09:07 +00:00
zik.saleeba bb718dcf21 Turning on NATIVE_POINTERS by default. 
Fixed a minor warning in pointer assignment.


git-svn-id: http://picoc.googlecode.com/svn/trunk@339 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-10 18:06:17 +00:00
zik.saleeba 8e735ef68f First cut of casts completed but not debugged 
git-svn-id: http://picoc.googlecode.com/svn/trunk@338 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-10 17:59:55 +00:00
zik.saleeba 7d135bbdd5 Doing some work on casts and sizeof 
git-svn-id: http://picoc.googlecode.com/svn/trunk@337 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-10 14:49:49 +00:00
zik.saleeba fcab11f844 Made both Val and Op co-exist in the ExpressionStack. 
Some preliminary work for casts.


git-svn-id: http://picoc.googlecode.com/svn/trunk@336 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-04 16:22:19 +00:00
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 2a69c48777 Fixed a bug in parsing "while ()" and "do..while()". I tried to be too clever. Bad idea. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@329 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-04 00:18:28 +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 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 a4889edcf1 Fixes in handling void values. 
Making quicksort test more real.
Better error reporting for invalid parameters.



git-svn-id: http://picoc.googlecode.com/svn/trunk@318 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-02 07:01:43 +00:00
zik.saleeba 2f8f365d46 "int a = *'" now reports an error 
git-svn-id: http://picoc.googlecode.com/svn/trunk@316 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-06-02 06:30:14 +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 d1d1b7e84e Fixed a problem with type coercion on parameter passing. 
Added a handy feature for better-than-C type coercion in printf().
Added a regression test for all sorts of type coercion.

git-svn-id: http://picoc.googlecode.com/svn/trunk@298 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-27 23:54:22 +00:00
zik.saleeba 4668c0a80e Fixed a bug which caused a hang when a comma was omitted in a parameter list, followed by an identifier. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@297 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-27 05:59:44 +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 2cb35ef26a Fixed a problem with floating point prefix expressions. 
Added a regression test for floating point.

git-svn-id: http://picoc.googlecode.com/svn/trunk@293 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-27 04:01:52 +00:00
zik.saleeba 77c4b6e71b Floating point evaluation implicit casting fixes. 
Fixed a problem on UNIX where the program usage message couldn't be printed due to the platform output system not being initialised by that point in execution.

git-svn-id: http://picoc.googlecode.com/svn/trunk@290 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-27 03:02:30 +00:00
zik.saleeba 6c8d9ba4cb Fixed a floating point type error bug. 
Re-ordered handling of infix floating point operators to handle them before integer coercion.

git-svn-id: http://picoc.googlecode.com/svn/trunk@288 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-27 00:05:31 +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 bd9cb90e02 Added the beginnings of flying fox platform support. 
Removed some annoying debug.
Made it easier to compile unmodified on non-UNIX systems.


git-svn-id: http://picoc.googlecode.com/svn/trunk@274 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-05-04 12:02:16 +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 5f09200360 Implementing variants on pointer assignment - assigning arrays and array 
pointers to pointers to the array element type.


git-svn-id: http://picoc.googlecode.com/svn/trunk@272 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-27 12:19:36 +00:00
zik.saleeba 647cc90999 Added pre/post inc/dec operators for pointers. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@270 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-26 11:39:16 +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 f2f44b1bf7 Slightly neater and more general way of handling type coercion on parameter passing. Doesn't actually correct the Param->Typ any more but this shouldn't be necessary. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@267 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-23 22:46:32 +00:00
zik.saleeba d06f2442fb Fixed int->char coercion error in parameter passing. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@265 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-23 11:57:45 +00:00
zik.saleeba 99656dc9fb Added NO_FP around new FP assign code 
git-svn-id: http://picoc.googlecode.com/svn/trunk@264 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-22 22:28:30 +00:00
zik.saleeba 146a591ed0 Fixed a bug in char<->int coercion in parameter passing. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@263 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-22 22:05:27 +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 16c5b72f4d Pointer comparison operations implemented 
git-svn-id: http://picoc.googlecode.com/svn/trunk@260 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-22 08:19:52 +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 8c918707f2 Added checks for NULL pointer dereference 
git-svn-id: http://picoc.googlecode.com/svn/trunk@258 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-22 01:58:03 +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 7c2ce7290a Fixes for a clean surveyor compile 
git-svn-id: http://picoc.googlecode.com/svn/trunk@253 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-19 01:15:01 +00:00
zik.saleeba 94e051c9c9 The new expression system is now the mainstream expression evaluator. Hoorah! 
git-svn-id: http://picoc.googlecode.com/svn/trunk@249 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-15 10:49:22 +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 7cb2079af4 Macros implemented 
git-svn-id: http://picoc.googlecode.com/svn/trunk@245 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-15 06:57:02 +00:00
zik.saleeba 883db65e15 '->' now works in the new expression system. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@244 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-15 06:40:56 +00:00