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132 commits

Author SHA1 Message Date
zik.saleeba 3162c1a2bf Twiddling with allocation for 64-bit architectures 
git-svn-id: http://picoc.googlecode.com/svn/trunk@378 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-11-06 18:08:11 +00:00
zik.saleeba 5c86cfaf36 Problems with prefix operators of the same precedence as a cast immediately 
following the cast fixed.
Issue #55


git-svn-id: http://picoc.googlecode.com/svn/trunk@377 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-11-06 16:35:34 +00:00
zik.saleeba e75518e139 Changed the way that arrays are represented to a simpler one without 
the extra level of indirection.
Fixed various array-related problems, including array assignment
which is issue #49.


git-svn-id: http://picoc.googlecode.com/svn/trunk@373 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-11-04 02:02:37 +00:00
zik.saleeba 2e07f89194 Possible fix for big-endian bug 
git-svn-id: http://picoc.googlecode.com/svn/trunk@371 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-11-03 20:40:35 +00:00
zik.saleeba 274f21fdbc Removed "unsigned char" - now all chars are unsigned again. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@370 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-11-01 21:16:19 +00:00
zik.saleeba f1aeadb077 Removed redundant "struct ArrayValue" 
git-svn-id: http://picoc.googlecode.com/svn/trunk@369 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-11-01 21:10:48 +00:00
zik.saleeba 18acb6dc1a Removed old pointer system. Now it's "native pointers" all the way. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@368 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-11-01 21:02:31 +00:00
zik.saleeba e44aca659f Fixed problem with using array index operator on pointers. Issue #61. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@367 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-11-01 20:49:23 +00:00
zik.saleeba be2ba2cb5f Check for function not returning a vlue when it should 
git-svn-id: http://picoc.googlecode.com/svn/trunk@366 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-11-01 16:52:10 +00:00
zik.saleeba 0df1958dfc Fix for NO_FP problem found by Ed. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@359 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-10-30 19:41:32 +00:00
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
zik.saleeba 8339e586d1 Fixed a problem with assignment of non-numeric types 
git-svn-id: http://picoc.googlecode.com/svn/trunk@242 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-15 05:26:46 +00:00
zik.saleeba 031edfb7ab Problem with ending expressions fixed in new expression system. 
Problem with handling ternary operators in case values fixed (those colons are tricky).


git-svn-id: http://picoc.googlecode.com/svn/trunk@233 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-14 23:44:49 +00:00
zik.saleeba 9fdee50576 Case expression handling fixed. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@232 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-14 08:44:47 +00:00
zik.saleeba ca628b8cb3 Array indexing now works in the new expression system. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@231 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-14 06:55:00 +00:00
zik.saleeba d034ded5fc Structs now work in the new expression system. 
Tests 03 and 04 now pass.


git-svn-id: http://picoc.googlecode.com/svn/trunk@230 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-14 03:18:40 +00:00
zik.saleeba 9e24449497 Problems with increment/decrement operators fixed in new expression system. 
Test 02_printf now works.


git-svn-id: http://picoc.googlecode.com/svn/trunk@229 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-13 09:02:45 +00:00
zik.saleeba 1877ab67aa New expression system now successfully evaluates simple expressions. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@228 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-13 06:57:32 +00:00
zik.saleeba 8038424d1a Removed diagnostics 
git-svn-id: http://picoc.googlecode.com/svn/trunk@225 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-11 06:36:40 +00:00
zik.saleeba 9e75ab3760 Temporarily added some test for the parameter passing problem Howard found. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@222 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-08 12:00:45 +00:00
zik.saleeba 74673d965a More work on expressions. Trying to get variable lookups to work in the new system. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@217 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-05 02:24:00 +00:00
zik.saleeba 61174fb115 Interactive mode error handling fixed for surveyor. 
All surveyor warnings fixed.


git-svn-id: http://picoc.googlecode.com/svn/trunk@216 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-04-04 03:11:12 +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 8baa2f71f7 Fixed a pile of compile errors 
git-svn-id: http://picoc.googlecode.com/svn/trunk@212 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-28 11:10:34 +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 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 c65cd8256b More work on the new expression evaluator 
git-svn-id: http://picoc.googlecode.com/svn/trunk@201 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-12 10:49:57 +00:00
zik.saleeba 36e58ab475 Stack handling for new expression evaluator 
git-svn-id: http://picoc.googlecode.com/svn/trunk@200 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-12 02:21:12 +00:00
zik.saleeba 456a83da75 '->' operator implemented 
git-svn-id: http://picoc.googlecode.com/svn/trunk@181 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-09 23:18:04 +00:00
zik.saleeba 08cd7e8328 Changed prompt for surveyor 
git-svn-id: http://picoc.googlecode.com/svn/trunk@174 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-09 00:07:44 +00:00
zik.saleeba fab9d6ed1e More work on operator precedence. Plenty to do yet. 
git-svn-id: http://picoc.googlecode.com/svn/trunk@171 21eae674-98b7-11dd-bd71-f92a316d2d60
 2009-03-08 08:40:05 +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