* plugins/gtk/st/Gtk.st (main): create a process that does nothing. It will be only...

[syx.git] / ChangeLog

2008-05-22  Luca Bruno  <lethalman88@gmail.com>

        * plugins/gtk/st/Gtk.st (main): create a process that does nothing. It will be only used to hold signal callbacks and to keep the scheduler on

        * plugins/gtk/plugin-init.c (_syx_gtk_iteration): replaced _syx_gtk_main
        (syx_g_closure_marshal): do it without threads and in a single process
        (Gtk_main): register an idle and save the process where to put main loop callback executions
        (Gtk_mainQuit): register an idle and save the process where to put main loop callback executions

        * syx/syx-object.h (syx_semaphore_new): added

        * syx/syx-scheduler.c (syx_scheduler_poll_register_source): added
        (syx_scheduler_poll_unregister_source): added
        (_syx_scheduler_poll_wait): check for sources

        * plugins/gtk/st/GObject.st: move gobject related classes here

        * plugins/gtk/plugin-init.c (syx_plugin_initialize): non-cold loading and change the loading order

        * st/kernel/FileStream.st (handleForSemaphore): added

        * st/kernel/Semaphore.st (waitForWrite, waitForRead): updated

        * st/kernel/Console.st (nextLine): updated

        * syx/syx-primitives.c (fileOp): add fileno
        (Semaphore_waitFor): updated

2008-05-20  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-signal.c (_syx_smalltalk_sighandler): register signals again

        * st/kernel/Console.st (registerUserInterruptHandler): added

        * st/kernel/SystemSignal.st: request for being initialized at every startup

        * syx/syx-init.c (_syx_file_in_basic):

        * syx/syx-error.c (syx_signal): execute a blocking process for system signals

        * syx/syx-enums.h (enum):

        * st/kernel/Signal.st: generalized and separated Exception by SystemSignal

        * st/kernel/SystemSignal.st: added

        * st/kernel/initialDecl.st: add HandlerBlock instance variable to both UserInterrupt and TerminationSignal

        * syx/syx-signal.c (_syx_smalltalk_sighandler): use syx_signal

        * syx/syx-error.c (syx_error_init): register new errors for system signals

        * syx/syx-enums.h (SyxErrorType):

        * st/kernel/Console.st: quit on system signal

2008-05-19  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-error.c: simplified and fixed memory leak

        * syx/syx-memory.c (_syx_memory_gc_mark): only mark the used part of the stack
        (syx_memory_gc): save the process state
        (syx_memory_save_image): 

2008-05-18  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-scheduler.c (_syx_scheduler_find_next_process):

        * st/kernel/Console.st (nextLine): use the semaphore

        * syx/syx-object.c (syx_semaphore_wait): moved from syx-utils
        (syx_semaphore_signal): moved from utils

        * syx/syx-scheduler.c (_syx_scheduler_process_poll): added. Clear the handled FD from the set.
        (_syx_scheduler_poll_wait):

        * doc/manual/inheritance.texi: not yet complete

        * syx/syx-object.c (syx_symbol_new): make a SmallInteger

        * syx/syx-object.h (syx_symbol_hash): added

        * st/kernel/Symbol.st (hash): use the cached hash variable

        * syx/syx-object.c (syx_symbol_new): cache the hash
        (syx_dictionary_index_of): wants the hash of the symbol key
        All calls have been updated. This leads to dropping about 8% of executed instructions.

        * syx/syx-enums.h (enum): 

        * st/kernel/initialDecl.st: add hash variable

        Updated copyright and bumped version number to 0.1.7.

2008-05-17  Luca Bruno  <lethalman88@gmail.com>

        * doc/manual/varscope.texi: begun work
        maybe complete for now

        * st/kernel/Console.st: only print last object when a block is executed

        * src/main.c: convert to UNIX

        * syx/syx-init.c (syx_initialize_system): let's save here the startupProcess, sometimes the scheduler won't run and it won't be saved in #startupSystem. This fixes the image recovering with multiple processes.

        * st/kernel/SystemDictionary.st (initializeSystem): startupProcess is saved inside the VM

        * syx/syx-memory.c (_syx_memory_gc_mark): complete marking of detached frames

2008-05-16  Luca Bruno  <lethalman88@gmail.com>

        * doc/manual/blocks.texi (Loops): completed

2008-05-15  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-interp.c (syx_interp_enter_context): do not really switch the process
        (_syx_interp_state_update): checks must be done before calling the method
        (_syx_interp_switch_process): checks must be done before calling the method
        (syx_interp_swap_context):
        (syx_process_execute_scheduled): checks have to be done before calling the method

        * syx/syx-memory.c (_syx_memory_write_process_stack): fixed warnings

        * syx/syx-interp.h: add missing interp functions

        * syx/syx-interp.c (_syx_interp_execute_byte): remove rarely used branch
        (syx_interp_do_extended): added
        (syx_interp_mark_arguments):

2008-05-13  Luca Bruno  <lethalman88@gmail.com>

        * doc/manual/blocks.texi (Return value of blocks): added
        (Conditions): added

        * doc/manual/language.texi (Comments): added

2008-05-11  Luca Bruno  <lethalman88@gmail.com>

        * doc/manual/commonobjects.texi: filled in but not complete

        * doc/manual/varscope.texi: added

        * doc/manual/commonobjects.texi: added

        * doc/manual/blocks.texi: added

        * doc/manual/variables.texi: completed

        * doc/manual/streference.texi (Dictionaries): added

        * doc/manual/variables.texi: added

        * doc/manual/methods.texi: added

        * doc/manual/messages.texi: added

        * doc/manual/objects.texi: added

        * doc/manual/language.texi: 

2008-05-10  Luca Bruno  <lethalman88@gmail.com>

        * doc/manual/language.texi: added

        * syx/syx-memory.c (_syx_memory_write_process_stack): store stack if the first frames are detached
        (_syx_memory_write_process_stack): check if the stack has been already wrote
        (_syx_memory_read): read first detached frames
        (syx_memory_load_image): first fix pointers

        * syx/syx-types.h:

2008-05-07  Luca Bruno  <lethalman88@gmail.com>

        * doc/manual/introsyx.texi (Invoking syx): documented

2008-05-06  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-interp.c (syx_interp_context_to_frame): add check

        * syx/syx-memory.c (_syx_memory_write_frame): save all the stack from locals to the upper frame
        (_syx_memory_read_lazy_pointer): missing big endian compatibility, rename idx to data
        (_syx_memory_write_lazy_pointer): give precedence to detached frames

2008-05-04  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-memory.c (_syx_memory_write_frame): receiver is not only an object
        (_syx_memory_read_process_stack): 

        * syx/syx-scheduler.c (syx_scheduler_add_process): run the given process just after the active process
        (syx_scheduler_init): set default timeslice to 100

        * syx/syx-memory.c (enum): rename _BOS to _BOF
        All calls have been updated.
        
2008-05-02  Luca Bruno  <lethalman88@gmail.com>

        * doc/manpage/syx.1: added
        
        * doc/Makefile.am: added
        add doc target

        * configure.ac:
        
        * doc/manual/introsyx.texi: splitted from syx.texi

        * doc/manual/syx.texi (Introducing the Syx environment): basic Strings
        (What is Smalltalk): Image concept
        (Index): added Classes and Methods

        * syx/syx-memory.c (syx_memory_save_image): unmark the object being skipped
        (_syx_memory_write_object_with_vars): ensure the stack
        (_syx_memory_write_vars_with_fp): take care of detached frames

        * syx/syx-scheduler.c (syx_scheduler_remove_process): always check for active process

        * syx/syx-lexer.c (_syx_char_is_binary_second): temporarly removed '-'

        * syx/syx-parser.c: support <- assignment

        * syx/syx-memory.c (_syx_memory_write_frame): fix stack pointer
        (_syx_memory_write_lazy_pointer): fix on NULL process

2008-05-01  Luca Bruno  <lethalman88@gmail.com>
    
        Create reference to doc/reference.
        Add doc/manual.
    
        * doc/manual/syx.texinfo: added

        * doc/manual/syx.texi: added license informations and a brief introduction, renamed from .texinfo
        (Introducing the Syx environment): moved up
        (Index): add menu and Concepts section
        Added some concepts.

        * doc/manual/fdl-1.2.texi: added

        * doc/manual/syx.texi: added license informations and a brief introduction, renamed from .texinfo
        (Introducing the Syx environment): moved up
        (Index): add menu and Concepts section
        Added some concepts.
        (Programs): added
        (Introducing the Syx environment): started some docs

        * doc/manual/fdl-1.2.texi: added

        Create reference to doc/reference.
        Add doc/manual.

        * doc/manual/syx.texinfo: added

        * syx/syx-memory.c:
        (syx_memory_save_image): only store the stack of each process
        (_syx_memory_write_process_stack): fixed beginning and end of frames
        
        * syx/syx-memory.c:
        (_syx_memory_gc_mark): mark detached frames

        * syx/syx-memory.c:
        Fix lazy pointers.
        Fix BOS/EOS sequence for writing and reading.
        Store block closures that are not attached to any process.
        Save processes before any other object.

2008-04-27  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-memory.c (_syx_memory_write_frame): only write arguments and temporaries for detached frames
        (_syx_memory_write_process_stack): check for collected stacks, store the index of the frames
        (_syx_memory_read_process_stack): seek back by one

        * syx/syx-interp.c (syx_inter_push_block_closure): only copy arguments and temporaries

2008-04-26  Luca Bruno  <lethalman88@gmail.com>

        Do not seek the file, instead read frames as is: this makes the image smaller.
        Mark beginning and end of whole stacks instead of single frames.
        Fix reading of frame fields when loading the image.
        
        * syx/syx-memory.c (_syx_memory_read): use _read_lazy_pointer and start using to read the process stack
        (_syx_memory_write_process_stack): store everything in reverse order but saving the index of each frame

        * syx/syx-memory.c (syx_memory_save_image): skip if object is marked
        (_syx_memory_gc_sweep): unmark constants

        * syx/syx-memory.c (_syx_memory_write_object_with_vars): added
        (_syx_memory_write_lazy_pointer): added
        (_syx_memory_write_frame): added
        (_syx_memory_write_process_stack): added
        (syx_memory_save_image): save the process state before doing any operation
        (_syx_memory_read_lazy_pointer): added
        (_syx_memory_read_process_stack): added

2008-04-25  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-memory.c (struct SyxMemoryLazyPointer): added
        (enum SyxMemoryType): rename RAW to IMMEDIATE and FP to FRAME_POINTER

        * syx/syx-memory.c (_syx_memory_read): read framePointer variables
        (syx_memory_load_image): free lazy pointers

2008-04-23  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-memory.c (enum SyxMemoryType): added
        (_syx_memory_write_vars_with_fp): added
        (_syx_memory_read): added incomplete handler for frame pointers
        (syx_memory_load_image):

        * syx/syx-interp.h:

        * syx/syx-interp.c (_syx_interp_context_update): removed
        (syx_interp_frame_to_context): use frame pointer as an index
        (_syx_interp_switch_process):
        (syx_interp_frame_to_context): need the stack

        * syx/syx-primitives.c (ContextPart_parent):
        (ContextPart_parent):

        * st/kernel/initialDecl.st (ContextPart): add process variable

        * syx/syx-enums.h:

        * syx/syx-signal.c (_syx_save_recovered_image): 

        * src/main.c (_do_recovery): 

2008-04-22  Luca Bruno  <lethalman88@gmail.com>

        * tests/testinterp.c (main): added another ensure test

        * st/kernel/Signal.st (handlerContextStartingFrom): added
        (signal): use a more sane approach
        (handlerContext):

        * syx/syx-interp.c (syx_interp_do_special): fix block self return
        (syx_interp_swap_context): implemented

2008-04-21  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-interp.c (_syx_interp_context_update): added
        (syx_interp_push_block_closure): update this_context to point to the new detached frame
        (syx_interp_frame_to_context): set arguments not accessible for now, not good for Smalltalk-side future debugging
        This fixes basic of the exception handling.

2008-04-20  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/Number.st (to:by:do, to:by:reverseDo): slightly optimized

        * syx/syx-primitives.c (Processor_enter): wrong argument
        (Processor_swapWith): wrong argument

        * syx/syx-interp.c (syx_interp_enter_context): missed saving this_context
        (syx_interp_context_to_frame): added

        * syx/syx-primitives.c (ContextPart_receiver): added
        (BlockContext_outerContext): added

        * st/kernel/BlockContext.st (outerContext, homeContext): 

        * st/kernel/ContextPart.st (tracebackString):

        * syx/syx-interp.h (struct SyxInterpFrame): add closure

        * syx/syx-object.h: updated accessors
        All calls have been updated.

        * syx/syx-enums.h (enum): add ContextPart enums

        * st/kernel/initialDecl.st: move receiver to MethodContext and add framePointer to ContextPart

        * syx/syx-interp.c (syx_interp_frame_to_context): made public
        (syx_interp_frame_to_context): use closure

        * syx/syx-primitives.c (_syx_primitive_entries):
        (ContextPart_parent): added

        * syx/syx-parser.c (_syx_parser_find_temporary_name): cleaned up, fixes the command line interactive interpreter

        * st/kernel/Console.st (nextLine):

        * syx/syx-interp.c (_syx_interp_switch_process): only switch if it's a different process

        * syx/syx-interp.h (struct SyxInterpState): added process
        All calls have been updated to use this new member.

        All tests now works just like the trunk. Have to do more work on the scheduler, though.
        
        * syx/syx-interp.h (struct SyxInterpState): removed process_frame

        * syx/syx-object.c (syx_process_new): initialize bottome frame

        * syx/syx-primitives.c: updated to match new interpreter internal API
        
        * syx/syx-interp.c (_syx_interp_switch_process): fix fetching the frame
        Refactor most of the functions to request state/process arguments to work concurrency
        on different processes and execution states.
        Claned up everything, yet another slightly speedup.
        All calls have been updated.

2008-04-18  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-parser.c (_syx_parser_find_temporary_name): fixes issue #29

        * tests/testinterp.c (main): test block recursion (see issue #29)

        * syx/syx-interp.c (_syx_interp_switch_process): do not save the process state

        * syx/syx-parser.c (_syx_parser_parse_optimized_block): fix memory leak

        * syx/syx-interp.c (syx_interp_enter_context): save process state
        (_syx_interp_switch_process): always switch process

        * syx/syx-init.c (syx_initialize_system): 

2008-04-16  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-primitives.c (BlockClosure_valueWithArguments): forgot part of the implementation
        (Compiler_parse): fix memory leak

        * syx/syx-interp.c (_syx_interp_frame_to_context): again do not copy because we have to reference the frame, not important if the context will die for now

        * syx/syx-object.c (syx_process_new): reset frame pointer

        * syx/syx-interp.c (_syx_interp_switch_process): really switch process

        * syx/syx-parser.c (syx_parser_new): do not erase scopes

2008-04-15  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-interp.h (struct SyxInterpFrame): add detached_frame

        * syx/syx-interp.c (_syx_interp_frame_to_context): copy the arguments
        (syx_interp_push_block_closure): detach the current frame

        * syx/syx-object.h (syx_string_new_unref): renamed from syx_string_new_ref

        * configure.ac: use -g3 for info and full debug modes

        * syx/syx-interp.h (SYX_PRIM_FAIL): a lot semplified

        * syx/syx-parser.c (_syx_parser_find_temporary_name): fix variable name resolution for optimized blocks

        * syx/syx-interp.c (syx_process_execute_scheduled): usually next instruction is not bigger than the bytecodes count until the end of the process
        (syx_process_execute_blocked): same here
        (syx_interp_leave_and_answer): clear the frame

        * syx/syx-parser.c (_syx_parser_parse_optimized_block): do not create a new scope but share variables with the outer context

2008-04-14  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-parser.c (_syx_parser_parse_optimized_block): increase method temporary stack to hold optimized block temporaries

        * syx/syx-interp.c (_syx_interp_find_temporary): forgot to change the code when copied find_argument
        (_syx_interp_find_argument): fixed

        * syx/syx-interp.h (syx_interp_stack_peek): fix

        * syx/syx-parser.c (_syx_scope_free): added
        (syx_parser_free): fix leak
        Clear scope tops.

        * syx/syx-interp.h (struct SyxInterpFrame): removed ensure_block

        * st/kernel/Set.st: forgot header

        * syx/syx-interp.c (_syx_interp_find_temporary): added
        (_syx_interp_find_argument): added
        (_syx_interp_state_update): obtain syx_uint16 bytecodes
        (_syx_interp_frame_prepare_new): frame receiver not filled in
        (syx_interp_do_special): get ensure block from the context, if available

2008-04-13  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-error.c (syx_signal_does_not_understand): stop being a macro

        * tests/testparser.c (main): updated

        * syx/syx-parser.c: fix argument and temporary search

        * syx/syx-utils.c: more info on method lookup failure

        * syx/syx-interp.c (_syx_interp_switch_process): wrong way to get the process frame bottom
        (syx_interp_enter_context): be sure we have a frame
        (_syx_interp_frame_prepare_new): be aware of null frames and null stack pointers

        * syx/syx-enums.h: update VM-used variable names

        * st/kernel/initialDecl.st: variables have been updated to match interpreter implementation

        * syx/syx-primitives.c: incredibly cleaned up block messages

        Lots of changes to the interpreter and the parser.
        Arguments and temporaries of blocks won't be put into the same stack of the home method.
        Changed the way of dealing with contexts and processes.
        The interpreter won't create any context except the ones demanded outside of it.
        All contexts informations are now kept inside the process stack.
<<<<<<< HEAD:ChangeLog
>>>>>>> 82a09eb... 2008-05-01  Luca Bruno  <lethalman88@gmail.com>:ChangeLog

2008-02-20  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-object.h (syx_string_new_ref): renamed from syx_string_new_unref
        All calls have been updated

        * plugins/readline/plugin-init.c (ReadLine_readline): reference the returned string instead of creatinga new one

        * syx/syx-primitives.c (FileStream_fileOp): fixed possible memory leak

        * st/kernel/Console.st: added ConsoleChunkReader to fix multiple statements handling

        * syx/syx-object.h (syx_string_new): use SYX_VSPRINTF

        * syx/syx-utils.h (SYX_VSPRINTF): added

        * syx/syx-utils.c (syx_vsprintf): removed
        (syx_sprintf): removed

2008-02-18  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-lexer.c (_syx_lexer_token_identifier): fix var:=val assignment
        (_syx_lexer_token_number): fix D.! syntax, where D is a digit (issue #28)

        * syx/syx-interp.h (syx_interp_is_initialized): removed, use syx_system_initialized instead
        All calls have been updated.

        * syx/syx-parser.c (_syx_parser_parse_term): raise a new error for bad expression starts
=======

2008-02-20  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-object.h (syx_string_new_ref): renamed from syx_string_new_unref
        All calls have been updated

        * plugins/readline/plugin-init.c (ReadLine_readline): reference the returned string instead of creating a new one

        * syx/syx-primitives.c (FileStream_fileOp): fixed possible memory leak

        * st/kernel/Console.st: added ConsoleChunkReader to fix multiple statements handling

        * syx/syx-object.h (syx_string_new): use SYX_VSPRINTF

        * syx/syx-utils.h (SYX_VSPRINTF): added

        * syx/syx-utils.c (syx_vsprintf): removed
        (syx_sprintf): removed

2008-02-18  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-lexer.c (_syx_lexer_token_identifier): fix var:=val assignment
        (_syx_lexer_token_number): fix D.! syntax, where D is a digit (issue #28)

        * syx/syx-interp.h (syx_interp_is_initialized): removed, use syx_system_initialized instead
        All calls have been updated.

        * syx/syx-parser.c (_syx_parser_parse_term): raise a new error for bad expression starts
>>>>>>> newinterp:ChangeLog

2008-01-25  Luca Bruno  <lethalman88@gmail.com>

        Replaced all occurrences of NotFound signal with #errorNotFound.

        * st/kernel/initialDecl.st: (NotKeyed): added class

        * st/kernel/Dictionary.st (printOn): stop after maxPrint

        * st/kernel/ArrayedCollection.st (with:with:with): added
        (with:with:with:with): added

        * st/kernel/Interval.st (species): added
        (copyClass): removed
        (collectClass): removed

        * st/kernel/Collection.st (copyEmptyForCollect):
        (copyClass): removed
        (collectClass): removed
        (with:with:with): added
        (with:with:with:with): added
        (removeAll): added
        (maxPrint): added
        (printOn): stop after maxPrint
        (notKeyed): added

        * st/kernel/Object.st (species): added
        (errorNotFound): added

2008-01-23  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-parser.c (_syx_parser_parse_term): fixed bug which allowed things such as [ * ]!

        * syx/syx-object.h (syx_string_new): allow variadic arguments

        * syx/syx-error.c (syx_signal): ensure the interpreter is running

        * syx/syx-parser.c: use syx_signal instead of syx_error

        * syx/syx-utils.c (syx_sprintf): added
        (syx_vsprintf): added

2008-01-18  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/Number.st (to:by:reverseDo): added

        * st/kernel/OrderedCollection.st (addAll): remove since implemented in Collection
        (add:after): added
        (add:before): added
        (incrementLastIndex:): added
        (shiftFrom:by): added
        (addAllLast): added
        (addAllFirst): added
        (addLast): added
        (addFirst): added
        (removeLast): added
        (removeFirst): added
        (removeAtIndex): fixed

        * st/kernel/String.st (basicAt): check for bounds
        (basicAt:put): check for bounds

        * st/kernel/SequenceableCollection.st (copyReplaceAll:with): fixed bug with String usage

2008-01-16  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-object.c (syx_dictionary_bind_if_absent): fixed read error

        * syx/syx-types.h (syx_malloc0): do not alloc 0 size
        (syx_calloc): do not alloc 0 size
        (syx_malloc): do not alloc 0 size

        * syx/syx-object.c (syx_dictionary_rehash): fix memory leak

        * st/kernel/Dictionary.st (keyAtValue): added
        (keyAtValue:ifAbsent): added
        (keys): added
        (values): added
        (printOn): added
        (storeOn): added
        (associationAt:ifAbsent): added
        (includesAssociation): added
        (removeAssociation): added

        * st/kernel/Bag.st (add:withOccurrences): added

        * st/kernel/Set.st: adjusted categories

        * st/kernel/Collection.st (inject:into): added

2008-01-15  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-init.c (_syx_file_in_basic): file in Random.st

        * st/kernel/Random.st: added

        * st/kernel/Integer.st (bitInvert): added
        (bitAt): added
        (printOn:base): added
        (storeOn:base): added        
        (printStringRadix): added
        Added missing license header

        * st/kernel/Float.st: change converting to truncation and round off
        
        * st/kernel/Integer.st: change converting to truncation and round off
        (timesRepeat): added

        * st/kernel/Number.st (rem): added
        (strictlyPositive): added
        (squared): added

        * st/kernel/Character.st (newPage): added
        (esc): added
        (backspace): added
        (isVowel): added

        Rename #codePoint: occurrences to #value:. Keep #codePoint: anyway.
        
        * st/kernel/Integer.st (radix):

        * st/kernel/String.st:

        * st/kernel/Number.st (readFrom): 

        * st/kernel/Character.st (asciiValue): added
        (digitValue): added

        * syx/syx-init.c (_syx_file_in_basic): file in Date.st

        * st/kernel/Date.st: added

        * st/kernel/initialDecl.st: add Date class

        * st/kernel/Magnitude.st (between): moved to comparing category
        (=): added

        Implement storeOn, storeString and printOn for collections.

        * st/kernel/SequenceableCollection.st (storeOn): added

        * st/kernel/Collection.st (printOn): added
        (storeOn): added

        * st/kernel/Behavior.st (storeOn): added

        * st/kernel/Integer.st (storeOn): added

        * st/kernel/Character.st (storeOn): added

        * st/kernel/String.st (storeOn): added

        * st/kernel/Object.st (storeOn): added
        (storeString): added
        (printOn): use the right class article        

        * st/kernel/Behavior.st (storeOn): added

        * st/kernel/Association.st (storeOn): added

        * st/kernel/Stream.st (space): added
        
2008-01-14  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-primitives.c (SmallInteger_print): removed since unused

        Implement printOn: and use Transcript instead of #printNl.
        
        * st/kernel/Signal.st:
        * st/kernel/False.st: 
        * st/kernel/Integer.st: 
        * st/kernel/True.st: 
        * st/kernel/Object.st: 
        * st/kernel/Behavior.st: 
        * st/kernel/Metaclass.st: 
        * st/kernel/String.st: 
        * st/kernel/Character.st: 
        * st/kernel/Symbol.st: 
        * st/kernel/Console.st: 
        * st/kernel/Fraction.st:
        * st/kernel/UndefinedObject.st: 
        * st/kernel/Association.st: 

2008-01-07  Luca Bruno  <lethalman88@gmail.com>

        == Released 0.1.6 version == 

2008-01-06  Luca Bruno  <lethalman88@gmail.com>

        Fixed examples build and various dist issues
        
        * configure.ac: missing -DWITH_PLUGINS

        * plugins/Makefile.am: added

2008-01-05  Luca Bruno  <lethalman88@gmail.com>

        Preparing for 0.1.6 release.

2007-12-29  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/initialDecl.st: store commandLine object instead of commandLineArguments

        Added makefiles for examples.
        
        * syx/Makefile.am: remove macros from here

        * st/kernel/CommandLine.st: added

        * src/main.c (_parse_args): do not handle -c

        * syx/syx-init.c (syx_initialize_system): first send #initializeSystem: blocking then #startupSystem to ensure all things are initialized if the scheduler is not initialized in some embedded applications.
        (_syx_file_in_basic): added CommandLine.st

        * st/kernel/SystemDictionary.st (initializeSystem:): added
        (startupSystem): handle -c and -e options

        * configure.ac: use SYX_OTHER_LIBS and SYX_OTHER_CFLAGS for libsyx and readd path macros

2007-12-26  Luca Bruno  <lethalman88@gmail.com>

        Working on issue #22.
        
        * st/kernel/Console.st (setupHelp): added
        (helpString): added
        (run):

        * syx/syx-lexer.c (_syx_lexer_token_string): unlimited strings
        (_syx_lexer_token_symbol): unlimited symbols
        (_syx_lexer_token_identifier): unlimited identifiers

        Fix image snapshot inside scripts.

        * st/kernel/FileStream.st (nextPut): removed
        (nextPutAll): removed

        * st/kernel/SystemDictionary.st (startupSystem): save the startupProcess before fileing files

        * st/kernel/Console.st (nextLine): flush stdout

        * syx/syx-primitives.c (FileStream_fileOp): return stdin/stdout/stderr, use fwrite instead of fputs, read instead of fread and fgetc

2007-12-25  Luca Bruno  <lethalman88@gmail.com>

        Fix issue #25.
        
        * st/kernel/Compiler.st (runMultipleAndDeclarations): copy literal array because the primitive will modify it even it's constant

        * syx/syx-primitives.c (FileStream_fileOp): use fread instead of fgets

2007-12-24  Luca Bruno  <lethalman88@gmail.com>

        Changed FileStream behavior to handle FILE* instead of file descriptors

        * syx/syx-primitives.c (FileStream_fileOp):

        * st/kernel/FileStream.st:

2007-12-24  Rahul <blufox@gmail.com>
        * plugins/x11/plugin-init.c: updated the module prefix to X11

        * plugins/x11/x11gen.rb: updated module prefix to X11 and to remove

        XlibXlib structure

        * plugins/x11/Xlib.i: update with NeedWidePrototypes to compile in solaris

        * plugins/x11/st/XDisplay.st: added instead of XDisplay

        * plugins/x11/st/Xlib.st: updated with new module prefix X11 instead of

        Xlib and remove XlibXlib

        * plugins/x11/st/Display.st: removed

        * plugins/x11/st/XEvent.st: updated by subclassing X11XEvent

        * plugins/x11/SConscript: updated to install Xlib.st

        * plugins/x11/Xlib_wrap.c: updated with new classnames

        * plugins/x11/swig.rb: updated the module prefix.

2007-12-24  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/Behavior.st: fixed parsing instance and class variable names

        * configure.ac: enable mantainer mode, check for pkg-config and add prereq

        * syx/syx-object.c (syx_dictionary_rehash): missing check

2007-12-23  Luca Bruno  <lethalman88@gmail.com>

        * plugins/x11/st/Wm.st: removed

        * plugins/x11/plugin-init.c: do not include Xlib_wrap.c

        * plugins/x11/Xlib.i:

        * plugins/x11/SConscript: compile Xlib_wrap.c

        * plugins/x11/Makefile.am: compile Xlib_wrap.c

        * configure.ac: enable debug level and fix plugins support

        * tests/stsupport/TestCStruct.st: update according to the latest changes and add tests for unions

        * tests/testforeignstruct.c (main): test unions

        Specify CStruct/CUnion fields with the same order as real C structs/unions
        for instance #(char f1) instead of the old #(f1 char).
        
        * st/foreign/CPointer.st (asByteArray): added
        (asString): added

        * st/foreign/CStructFieldTypePointer.st: added

        * st/foreign/CStructFieldType.st: handle pointers with a different class

        * st/foreign/CUnion.st: added

        * st/foreign/CUnionGenerator.st: added

        * syx/syx-init.c (_syx_file_in_basic): file in CUnion.st and CUnionGenerator.st

        * syx/syx-primitives.c (CPointer_asString): added
        (CPointer_asByteArray): added

        * plugins/wingui/Makefile.am: fix install dir

        * plugins/readline/Makefile.am: fix install dir
        
        * plugins/gtk/Makefile.am: fix install dir

        * plugins/x11/Makefile.am: fix install dir

2007-12-21  Luca Bruno  <lethalman88@gmail.com>

        Build plugins and install desktop files using the GNU build system.
        
        * plugins/wingui/Makefile.am: added

        * plugins/gtk/Makefile.am: added

        * plugins/readline/Makefile.am: added

        * plugins/x11/Makefile.am: added

        * share/Makefile.am: added
        
        Run tests into the tests directory.
        
        * tests/SConscript (builder_test): use abspath and build into the tests directory

        * Makefile.am (SUBDIRS): add tests

        * tests/Makefile.am: added

        * configure.ac: add st files for the C foreign interface

2007-12-20  Luca Bruno  <lethalman88@gmail.com>

        * tests/stsupport/TestCStruct.st (assertField): test float and doubles

        * tests/testforeignstruct.c (main): test float and doubles

        * syx/syx-primitives.c (CStructFieldType_sizeOfPointer): added
        (CStructFieldType_sizeOfLong): added

        * st/foreign/CStructFieldType.st: added C types sizes in bytes and long/pointer primitives to retrieve the size.
        * st/foreign/CStruct.st

2007-12-19  Luca Bruno  <lethalman88@gmail.com>

        * SConstruct: merge CFLAGS
        use gcc as preferred compiler
        merge CC LINK and AR

        * share/syximage.desktop: added comment translation, updated to latest standards and do not display the entry in the menus (thanks to Thilo Pfennig)

        * share/syx.desktop: added comment translation and updated to latest standards (thanks to Thilo Pfennig)

        * syx/syx-init.c (syx_init): give precedence to the given root directory

        * configure.ac: removed unuseful line

        * tests/stsupport/TestCStruct.st:
        Created Test1Struct, Test2Struct and Test3Struct for testing read/write accessors.
        (expectOffsets:from:): renamed to testOffsets:from:
        (testOffsets:from:):
        (testRead): added
        (testWrite): added

        * tests/testforeignstruct.c (main): create read/write tests

        * st/foreign/CStruct.st (primOn:type:at): added
        (primOn:type:at:put): added
        
        * st/foreign/CStructFieldSpec.st (compileAccessorsOn): added

        * st/foreign/CStructGenerator.st (compileAccessorsOn): implemented

        * st/foreign/CStructFieldType.st (compileAccessorsOn:named:atOffset): added
        (compileReadAccessorsOn:named:atOffset): added
        (compileWriteAccessorsOn:named:atOffset): added
        (initialize): largeInteger renamed to long

        * syx/syx-primitives.c (CStruct_on_type_at): added
        (CStruct_on_type_at_put): added

        * syx/syx-object.h: 

        * syx/syx-object.c (syx_class_initialize): renamed to syx_object_initialize
        (syx_object_initialize): added
        
2007-12-18  Luca Bruno  <lethalman88@gmail.com>

        * st/foreign/CStructGenerator.st (alignFields): cleaned the code

        * st/foreign/CStructFieldSpec.st (alignAccordingToPreviousField): fixed
        (nextAlignedOffset): added

        * tests/testforeignstruct.c: added

        Moved CPointer and CObject to st/foreign.

        * SConstruct: install st/foreign files
        
        * st/kernel/String.st (isCapitalized): added

        * syx/syx-init.c (_syx_file_in_basic): file in st/foreign files

        * st/foreign: added foreign structure interface support for C

2007-12-17  Luca Bruno  <lethalman88@gmail.com>

        * plugins/x11: added (thanks to Rahul aka blufox)

        * SConstruct: build x11 plugin

        * st/kernel/CPointer.st: added

        * st/kernel/CObject.st (free): added
        (finalize): added

        * syx/syx-object.h: 

        * syx/syx-object.c (syx_class_initialize): added

        * syx/syx-interp.h (syx_interp_is_initialized): added

        * syx/syx-init.c (_syx_file_in_basic): file in CPointer.st and CObject.st

        * syx/syx-primitives.c (CPointer_free): added

        * plugins/SConscript: add x11 plugin

        * plugins/gtk/SConscript: add Swig interface files

2007-12-16  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/CObject.st: added

        * syx/syx-init.c (_syx_file_in_basic): file in CObject.st

2007-12-14  Luca Bruno  <lethalman88@gmail.com>

        == Released 0.1.5 version ==

        New process/context API

        * plugins/wingui/plugin-init.c (WndProcedure): 
        * plugins/gtk/plugin-init.c (syx_g_closure_marshal):
        * plugins/gtk/plugin-init.c (syx_plugin_initialize): 
        * syx/syx-interp.h (syx_interp_get_current_process): added
        
2007-11-18  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/ArrayedCollection.st (withAll:startingAt): added

        * st/kernel/OrderedCollection.st (asArray): added

        * syx/syx-interp.c (syx_exec_state_fetch): updated to complain new process execution

        * syx/syx-object.c (syx_process_new): do not require a context anymore
        (syx_method_context_new): setup the Process to hold the new context and copy arguments into the stack
        (syx_block_context_new): same as method context, and use the same frame of the outer context
        All calls have been updated

        * Removed all stacks from contexts and created a stack per process

        * Gave an important speed boost up

        * syx/syx-primitives.c (ArrayedCollection_replaceFromToWithStartingAt): in substitution of ArrayedCollection_replaceFromToWith
        (StdIOStream_nextPut): added
        (StdIOStream_nextPutAll): added
        (CompiledMethod_runOn): added in substitution of manual method context creation from Smalltalk        

2007-11-08  Luca Bruno  <lethalman88@gmail.com>

        * SCons and GNU build: added support for gprof and internal profiling

        * syx/syx-profile.h: added

        * syx/syx-profile.c: added

2007-11-02  Luca Bruno  <lethalman88@gmail.com>

        * examples/web/coldbrowser.st: embedding example of Syx into a CGI application

        * syx/syx-object.h (syx_string_new_unref): added

        * st/kernel/OrderedCollection.st: remove tally and implement relative indexes
        (removeAtIndex:): implemented
        (at:): reimplemented
        (at:put:): reimplemented

2007-11-01  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/Dictionary.st: fixed rehashing
        renamed incrementNumElements to incrementTally

        * examples/web: added

2007-08-29  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-object.h (SYX_BLOCK_CONTEXT_ENSURE_BLOCK): added instance variable

        * st/kernel/BlockClosure.st (ensure:): fixed block ensuring

        * syx/syx-interp.c (syx_interp_do_special): support block ensuring on self-return and stack-return

        * configure.ac: support build under MSYS

2007-08-28  Luca Bruno  <lethalman88@gmail.com>

        * Added support for GNU building system

2007-08-27  Luca Bruno  <lethalman88@gmail.com>

        * syx/SConscript: compile static objects before shared

        * SConstruct: install files contained in the share directory, call update-desktop-database and update-mime-database

        * st/kernel/ContextPart.st (showTraceback): renamed to tracebackString, show the real methodClass

        * syx/syx-object.h (SYX_OBJECT_IS_SYMBOL): added

        * syx/syx-init.c (syx_initialize_system): set syx_system_initialized to TRUE

        * syx/syx-error.c (syx_signal): if system is not initialized, call syx_error ()
        All calls have been updated

        * Renamed numElements variable to tally as designed by Smalltalk-80

        * st/kernel/Behavior.st (setInstanceVariableNames): fixed to scan the given string of variable names

        * st/kernel/YXTools.st: renamed to MVC.st

2007-08-26  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/Behavior.st (setInstanceVariableNames): added
        
        * st/kernel/Metaclass.st: fixed metaclass creation

        * st/kernel/Behavior.st: fixed class creation
        
        * st/kernel/Dictionary.st (at:ifAbsent:): added

        * syx/syx-utils.c (syx_nanotime): added

        Fixed English in some comments, thanks to billijoex.
        
        * syx/syx-utils.c (syx_cold_parse_methods): restore the lexer if the syntax is not the expected for parsing method definitions

        Default compiler is now the C compiler, not the ST anymore. The ST compiler will be mantained
        for reference only.
        
        * syx/syx-lexer.c (syx_lexer_next_chunk): do not truncate the text by one char if it's at the end

        * syx/syx-parser.c (syx_parser_parse): be able to skip message pattern
        All calls have been updated

        * st/kernel/Compiler.st (runMultipleAndDeclarations): added

2007-08-24  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-error.h: got rid of varargs macros

        * syx/syx-platform.h (SYX_BEGIN_DECLS): begins declarations for cplusplus
        (SYX_END_DECLS): ends declarations for cplusplus
        All headers have been updated

2007-08-22  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-platform.h (syx_strdup): added
        (strndup): renamed to syx_strndup and moved from syx-types.h
        (malloc, malloc0, calloc, free): moved from syx-types.h
        All calls have been updated
        
        * All mixed declarations and code changed to allow strict ISO C compilation
        
        * All comments changed to complain ANSI C
        
        * syx/syx-object.h (struct SyxObject): bit-fields were removed for -pedantic, the size didn't vary

        * syx/syx-utils.c: issue #15 (Krzysztof Kowalczyk)

        * Fixed issue #14 (kkowalczyk)

2007-08-21  Luca Bruno  <lethalman88@gmail.com>

        * examples/embedding/SConscript: fix use of -rdynamic

        * Applied patch of issue #13

        * syx/syx-signal.c: signal function to be optional

2007-08-20  Luca Bruno  <lethalman88@gmail.com>
        
        == Released 0.1.4 version ==

        * Missing documentation was covered for Doxygen

2007-08-19  Luca Bruno  <lethalman88@gmail.com>

        * src/main.c (_parse_args): an comand line option parser was created to replace getopt

        * examples/console/SConscript (target): added

        * examples/SConscript: added

        * examples/embedding/SConscript: added

        * syx.desktop: added

        * syx.sln: added for MSVC support

        * syx.vcproj: added for MSVC support

        * syx/syx-plugins.c (_syx_plugin_default_method): added
        (syx_plugins_init): do not create a static method on initialization because it's not being inserted in a GC root

2007-08-17  Luca Bruno  <lethalman88@gmail.com>

        * plugins/gtk/gtk.i: remove pango dependency temporarly

        * plugins/gtk/pango.i: removed temporarly

        * plugins/gtk/st/PangoAttrList.st: removed temporarly

        * plugins/gtk/SConscript: link to gdk-win32

2007-08-16  Luca Bruno  <lethalman88@gmail.com>

        * plugins/gtk/plugin-init.c (syx_plugin_initialize): parse all remaining st files
        (syx_g_closure_marshal): leave gdk threads before entering the smalltalk callback

        * plugins/gtk/st/GtkTools.st: added a textview for evaluating code

        * plugins/gtk/st/Gtk.st: added missing GTK+ classes

        * st/kernel/YXTools.st (onDoIt): evaluate code

        * st/kernel/Compiler.st (identifierToken): handle identifier:= as an assigment

        * st/kernel/FileStream.st (StdIOStream): added class and methods for standard I/O
        (open:for:): support append mode, read and write create (w+)

        * syx/syx-primitives.c (FileStream_fileOp): added more checks, use O_CREAT flags for write, support w+ and append mode

        * syx/syx-scheduler.c (syx_scheduler_add_process): fixed process scheduling

        * syx/syx-signal.c (_syx_internal_sighandler): save a recovered copy of the image on SIGSEGV or SIGILL
        (_syx_save_recovered_image): added

        * src/main.c (_do_recovery): added for recovering an image from a possibly broken Process

2007-08-15  Luca Bruno  <lethalman88@gmail.com>

        * tests/testscheduler.c: fixed blocks to use the right number of arguments

        * plugins/gtk/st/GtkTextView.st: added

        * SConstruct: rootdir option has been added
        support for documentation installation/clean has been added
        replaced doc command with doc option

2007-08-14  Luca Bruno  <lethalman88@gmail.com>

        * plugins/gtk/st/GtkTextView.st: added

        * plugins/gtk/st/GtkTextMark.st: added

        * plugins/gtk/st/GtkTextTag.st: added

        * plugins/gtk/st/GtkTextTagTable.st: added

        * st/kernel/Object.st (perform methods): check argument count

        * syx/syx-error.h (syx_signal_create_context): added

        * syx/syx-parser.c (_syx_parser_parse_block_message_pattern): save argumentCount
        (_syx_parser_parse_method_message_pattern): save argumentCount

        * syx/syx-object.h (SYX_CODE_ARGUMENT_COUNT): instance variable added do CompiledCode

2007-08-13  Luca Bruno  <lethalman88@gmail.com>

        * makefile.vc (OBJS): missed new syx-signal.obj

        * st/kernel/FileStream.st (fileIn): handle scripting header

        * syx/syx-utils.c (syx_show_traceback): added

        * st/kernel/SystemSignal.st: added

        * syx/syx-signal.c: added

        * plugins/gtk/st/GtkTextIter.st: added

        * syx/syx-lexer.c: usage of pushed_back char has been fixed to build for PowerPC

2007-08-12  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-interp.c: missed endianness compatibility for optimized blocks

        * st/kernel/SystemDictionary.st (haveBigEndianness): removed

        * src/main.c (_getopt_do): -c option has been added

        * st/kernel/SystemDictionary.st (continueStartup): a new variable has been added to specify if the startup sequence must continue after fileing in files

        * syx/syx-platform.h (SYX_PLUGIN_PATH): added

        * SConstruct: option 'plugindir' has been added which belongs by default to the machine-dependent directory $libdir/syx

2007-08-11  Luca Bruno  <lethalman88@gmail.com>

        * plugins/gtk/st/GtkTextBuffer.st: added but doesn't work yet because of other Gtk dependencies

        * st/kernel/initialDecl (CompiledCode): argumentCount and temporaryCount have been renamed to argumentStackSize and temporaryStackSize and moved to CompiledMethod
        (CompiledBlock): argumentsTop has been renamed to argumentStackTop

        * syx/syx-enums.h: instance variables of CompiledCode, CompiledMethod and CompiledBlock have been updated

        * syx/syx-object.c: method and block context creation have been updated according to the above refactoring
        
        * st/kernel/PositionableStream.st (peek): answer nil if at the end
        (skipTo:): added

        * syx/syx-lexer.c (_syx_lexer_token_symbol): support for quoted symbols

        * st/kernel/Compiler.st (initializeStream): support for quoted symbols

        * syx/syx-init.c (syx_set_root_path): save the root path anyway also if it doesn't exist

        * src/main.c (_getopt_do): fixed issue #11

        * syx/syx-primitives.c (FileStream_fileOp): assert the object is a string for nextPutAll:

        * plugins/wingui/SConscript: fixed building

        Renamed all 'class' to 'klass' to support C++ compilation.
        Applied issue #9 patch

2007-08-10  Luca Bruno  <lethalman88@gmail.com>

        Refactored all inline to be inserted into headers (issue #9).
        Added dllimport and dllexport attributes when building DLLs.
        
        * syx/syx-memory.c (syx_freev): removed

        * plugins/gtk/st/GtkScrolledWindow.st: added

        * plugins/gtk/st/GtkAdjustment.st: added

        * plugins/gtk/plugin-init.c (syx_g_closure_marshal): added marshal function for GClosure

        * plugins/gtk/st/GObject.st (GClosure): added wrapper
        
        * syx/syx-utils.c (syx_send_messagev): added

        * syx/syx-plugins.c (syx_plugin_symbol): added

        * st/kernel/SystemDictionary.st (plugin:cSymbol:): added with primitive

2007-08-09  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-scheduler.c (syx_scheduler_remove_process): set next process to be active

        * syx/syx-primitives.c (ArrayedCollection_replaceFromToWith): added yet more checks

        * syx/syx-plugins.c (syx_plugin_call_interp): support C calls to nil plugin (main program)

        * st/kernel/Compiler.st (indexOfInstance): support C calls to nil plugin (main program)

        * SConstruct: added inline checks (issue #9)

        * syx/syx-platform.h: inline defines (issue #9)

        * syx/syx-parser.c: indented file and fixed typo (issue #10)
        (_syx_parser_parse_primitive): support C calls to the main program

        * syx/syx-utils.c (syx_do_it_blocking): added

2007-08-08  Luca Bruno  <lethalman88@gmail.com>

        Added support for MSVC compilation (issue #8)
        
        * syx/syx-plugins.c (syx_plugin_call): added, previous was renamed to syx_plugin_call_interp
        (syx_plugins_init): added for creating a default method to send #primitiveFailed
        Added support for main program handle (NULL filename)

        * st/kernel/SystemDictionary.st (plugin:cCall:withArguments:): added with relative primitive
        (cCall:withArguments:): added

        * syx/syx-utils.c (syx_file_in_blocking): added

        * examples/embedding: added 4 kind of examples

        * syx/SConscript: include syx-config.h to be installed

2007-08-07  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/YXTools.st: added model-view-controller classes and basic Workspace and WorkspaceView

        * plugins/gtk/st/GtkTools.st: added GtkWorkspace and GtkWorkspaceView

        * plugins/gtk/st/GtkBox.st: added wrapper for GtkBox, GtkHBox and GtkVBox

        * plugins/gtk/st/GtkButton.st: added wrapper

        * plugins/gtk/pango.i: added basic SWIG interface

        * plugins/gtk/plugin-init.c: fixed threaded main loop

2007-08-06  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-object.c (syx_dictionary_index_of): added
        (syx_dictionary_rehash): added
        (syx_dictionary_at_symbol_put): rehash when full

        Changed dictionary behavior to use linear probing
        Detached Gtk smalltalk files to be packaged alone
        Create a SWIG interface to wrap Gtk

2007-08-05  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/BlockClosure.st (ensure:): fixed
        (ifCurtailed:): added

        * st/kernel/String.st: added comparing methods
        (sameAs:): added
        (subStrings:): added
        (asUppercase): added
        (asLowercase): added

        * st/kernel/OrderedCollection.st: added size buffering for new elements

        * st/kernel/Number.st (/): added zero division check

        * st/kernel/Signal.st: added ZeroDivide

        * Added basic converting methods to collections

2007-08-04  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/SequenceableCollection.st (replaceFrom:with:): fixed stop index

        * st/kernel/Interval.st (at:): added
        (size): added
        (start, stop, step): added accessors
        (reverse): added

        * st/kernel/Number.st (to:by:do:): support for negative steps
        (to:by:reverseDo:): removed

        * st/kernel/SequenceableCollection.st (from:to:by:keysAndValuesDo:): added
        (from:to:by:do:): added

        * st/kernel/Collection.st (copyClass): added
        (collectClass): added

        * SConstruct: add the examples directory to the source distribution

2007-08-03  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-primitives.c (Object_perform): fixed arguments
        (Object_performWithArguments): fixed too

        * st/kernel/Compiler.st (symbolToken): fixed binary symbol parsing
        (parseArray): added

        * st/kernel/Number.st (readFrom:): fixed parsing

        * st/kernel/Interval.st: added

        * syx/syx-init.c (syx_build_basic): send #initializeFirstSystem instead of #initialize

        * st/kernel/ArrayedCollection.st (copyWithout:): added refinement
        
        * st/kernel/Collection.st (copyWithout:): added

        * st/kernel/SequenceableCollection.st (copyReplaceAll:with:): added
        (matchSubcollection:startingAt:): added
        (copyReplaceFrom:to:with:): added
        (copyReplaceFrom:to:withObject:): added
        (copyReplacing:withObject:): added

2007-08-02  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/TextCollector.st: use #perform:with: to send message to the proxy

        * st/kernel/Behavior.st (initializeSubclassOf): create a method dictionary

        * syx/syx-object.c (syx_metaclass_new): create a method dictionary
        (syx_class_new): create a method dictionary

        * st/kernel/Object.st (respondsTo:): added
        (perform:): added
        (perform:with:): added
        (perform:with:with:): added
        (perform:with:with:with): added
        (perform:withArguments): added

        * st/kernel/Behavior.st (doesUnderstand:): added

        * st/kernel/Dictionary.st (includesKey:): added

        * st/kernel/Set.st: added rehashing methods
        added numElements instance variable

        * st/kernel/Dictionary.st: added rehashing methods
        added numElements instance variable

        * st/kernel/ObjectMemory.st (atData:put:): added with primitive

        * st/kernel/Link.st: removed since unused anymore

2007-08-01  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-interp.c (syx_process_execute_blocking): save/restore the active process when running blocking processes

        * syx/syx-interp.h (SYX_PRIM_FAIL): add the arguments array to the GC transaction

2007-07-30  Luca Bruno  <lethalman88@gmail.com>

        == Released 0.1.3 version ==
        
        * st/kernel/Character.st (isXDigit): added

        * st/kernel/Compiler.st (literalArrayToken): fixed parsing when the array contains numbers

        * st/kernel/Number.st (readFrom:): parse radix numbers

        * syx/syx-parser.c (_syx_parser_parse_literal_array): character parsing in the array was missed

        * SConstruct: updated the help message

        * Documentate more functions

        * tests/testinterp.c: fix to run after the startup changes

2007-07-29  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/CompiledMethod.st: fixed inherited methods

        * st/kernel/initialDecl.st: fixed inheritance for compiled codes according to syx-enums.h

        * plugins/gtk/SConscript: fix Gtk+ build

        * plugins/wingui: added plugin

        * syx/syx-scheduler.c (syx_scheduler_run): missing static

        * syx/syx-plugins.c: handle unicode win32 api

        * syx/syx-platform.h: emulate errno for platforms that doesn't have support for it

        * syx/syx-primitives.c (FileStream_fileOp): return 0 if fstat is not available

        * syx/syx-error.h (syx_error): show a MessageBox on WindowsCE

        * syx/syx-utils.c (syx_cold_file_in): say we have 1000000 characters in a standard file if fstat is not available
        (syx_to_wstring): added
        (syx_to_string): added

        * st/kernel/WinWorkspace.st: added

        * syx/syx-init.c: fixed number of instance variables for Smalltalk
        (syx_initialize_system): remove previous startupProcess and call #startupSystem: in a new scheduled process
        (syx_init): force image to be in the root device for embedded Windows CE

        * syx/syx-types.h: added syx_wstring and syx_wsymbol types

        * st/kernel/TextCollector.st (cr): show also the carriage return

        * st/kernel/SystemDictionary.st (startupSystem:): (was initializeSystem:) handle startup requests

        * src/main.c (_do_getopt): restrictive support to missing getopt
        force WinWorkspace to startup on WindowsCE

        * src/SConscript: do not create the default image if we're cross compiling

        * syx/SConstruct: added WINGUI option to enable/disable the syx-wingui plugin
        define WINCE macro when compiling for Windows CE
        let getopt, fstat, access, getenv and perror be optional functions
        do not specify c99 standard when cross compiling to WindowsCE since the library doesn't handle ANSI calls

2007-07-26  Luca Bruno  <lethalman88@gmail.com>

        * SConstruct: added 'shared' and 'static' options

        * st/kernel/Compiler.st: fixed stream positioning to handle cascading

        * st/kernel/ObjectMemory.st (setConstant:): added

        * st/kernel/Compiler.st (genLiteral:): set literals to be constant

        * syx/syx-init.c (syx_initialize_system): pass command line arguments to the Smalltalk initializer
        (syx_init): initialize command line arguments

        * st/kernel/SystemDictionary.st (commandLineArguments): added variable with accessor
        (initializeSystem:): fileIn the first argument

2007-07-25  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-interp.c (syx_interp_do_special): ensure condition is boolean

        * syx/syx-object.c (syx_class_lookup_method): class for super messages must be specified instead of a specific alghoritm
        (syx_class_lookup_method_binding): same

        * syx/syx-enums.h (SyxVariables): Do not include unused instance variables in CompiledBlock
        All calls have been updated, also in Smalltalk.
        
        * st/kernel/SequenceableCollection.st (replaceFrom:with:): use self size instead of the given collection one
        (copyFrom:): added

        * st/kernel/CompiledMethod.st (CompiledCode): moved accessors from CompiledMethod and added methodClass

        * st/kernel/WriteStream.st: added some other initialization for other streams

        * st/kernel/Stream.st: added access mode

        * st/kernel/FileStream.st (fileIn): added
        Added more features

        * syx/syx-primitives.c (FileStream_fileOp): new operation to obtain the size of the file; return nil for #next when at EOF
        (ArrayedCollection_replaceFromToWith): fixed size of the effective replacement and added checks
        (String_compile): removed

2007-07-24  Luca Bruno  <lethalman88@gmail.com>

        Fixed a big bug relative to super messages updating all calls.

        * st/kernel/Number.st (readFrom:): fixed float parsing

        * st/kernel/Compiler.st (CompilerLexer): include the stream as instance variable instead of subclassing ReadStream

2007-07-23  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/String.st (compileFor:): a refactor of old #compile using the ST compiler

        * syx/syx-init.h (SYX_INIT_MEMORY_SIZE): changed default size from 20000 objects to 100000 objects

        * syx/syx-init.c (syx_initialize_system): addded

        * st/kernel/SystemDictionary.st (initialize): added
        (initializeSystem): call all system initialization object requests
        (registerForSystemInitialization:): added

        * syx/syx-utils.c (syx_find_first_non_whitespace): added

        * syx/syx-parser.c (syx_parser_parse): save text in methods

        * syx/syx-object.h (SYX_METHOD_TEXT): added 'text' instance variable to CompiledCodes

        * SConstruct (endianness): added option to manually specify the endianness of the machine
        (host): added option to cross-compile for the specified machine

        * st/kernel/Compiler.st (duplicateAt:): added
        (doContinuation:): support cascades

2007-07-22  Luca Bruno  <lethalman88@gmail.com>

        * SConstruct: cache options
        added support for cross compiling

        * st/kernel/Compiler.st (CompilerParser): added whileTrue: and whileFalse: optimized blocks
        (parseNameTerm:): added
        (parseBlock): added
        (CompilerLexer): do not skip when at the end of the stream
        fixed super receiver

        * st/kernel/Dictionary.st (associationAt:): added
        
        * st/kernel/CompiledMethod.st (CompiledBlock): initialize from parser

        * st/kernel/Association.st (VariableBinding): added several methods

        * st/kernel/Behavior.st (compile:): added

        * st/kernel/Number.st (fromStream:): skip back the stream if it's not a float

2007-07-20  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/Compiler.st: added optimized conditional blocks

        * st/kernel/Number.st (fromStream:): ensure the character is not nil

2007-07-19  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/Magnitude.st (between:and:): moved from Number
        
        * st/kernel/Behavior.st (allSuperclassesDo:): fixed

        * st/kernel/CompiledMethod.st (fromParser:): added
        (initializeParser:): added

        * st/kernel/Character.st: handle magnitude

        * st/kernel/Compiler.st (CompilerParser): done, missing cascades and optimized blocks

        * st/kernel/Stack.st: added

2007-07-17  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-bytecode.c (syx_bytecode_duplicate_at): increase stack size when duplicating objects

        * st/kernel/SequenceableCollection.st (indexOf:): added
        (indexOf:startingAt:ifAbsent:): use #= instead of #==

        * st/kernel/Compiler.st: parse literal arrays
        (CompilerBytecode): added

        * st/kernel/Object.st (caseOf:otherwise:): added

2007-07-16  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-object.c (syx_class_lookup_method_binding): fixed to handle super messages
        (syx_class_lookup_method): idem
        All calls have been updated

        * syx/syx-lexer.c (_syx_lexer_token_string): support single quotes into strings
        (_syx_lexer_token_binary): support for binary symbols up to 2 characters

        * st/kernel/initialDecl.st (ReadStream): added

        * st/kernel/Compiler.st: added

        * st/kernel/Float.st (*): added

        * st/kernel/String.st (asNumber): added

        * syx/syx-memory.c: save object->is_constant in the image

        * syx/syx-platform.h (syx_bswap_16): added
        (SYX_COMPAT_SWAP_16): added
        (SYX_COMPAT_SWAP_32): added

2007-07-15  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-platform.h (syx_bswap_32): wrap bswap_32

        * SConstruct (check_endianness): added to check endianness
        (byteswap.h): added for optional check

        * syx/syx-memory.c: first attempt for the image to be compatible with different endianness

        * src/SConscript: let it work on MacOSX (PPC)

        * plugins/gtk/SConscript: do not compile GTK if it's not found

        * st/kernel/Character.st: applied Sam Philips's patch that covers more ANSI

        * st/kernel/Number.st (reciprocal): added
        (asFraction): added
        (compare:): added

        * st/kernel/Integer.st (gcd:): added

        * st/kernel/Fraction.st (reduce): added
        (+): added
        (-): added
        (*): added
        (/): added
        (reciprocal): added refinement
        (compare:) added
        (<, >, <=, >=, =, ~=): added
        (zero): added

        * syx/syx-memory.c (syx_memory_gc_end): fixed GC transactions ending
        (syx_memory_gc): save/restore GC transaction state to hold #finalize messages

        * syx/syx-lexer.c (_syx_lexer_token_number): fixed small integer parsing

2007-07-14  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/LargeInteger.st (/): added
        (//): added
        (quo:): added

        * st/kernel/Number.st (//): added
        (quo:): refined

        * st/kernel/Float.st (/): added
        (floor): added
        (ceiling): added

        * st/kernel/Integer.st (radix:): added
        (printString): added

        * syx/syx-primitives.c (SmallInteger_div): added overflow check

        * syx/syx-types.h (SYX_SMALL_INTEGER_DIV_OVERFLOW): added

        * syx/syx-lexer.c (_syx_char_is_binary_second): fixed '-' character from being used as second char for binary messages (e.g 4/-3 should be handled as 4 / -3)

        * st/kernel/SmallInteger.st (/): added
        
        * st/kernel/Fraction.st: added
        (asFloat): added

2007-07-13  Luca Bruno  <lethalman88@gmail.com>

        == Released 0.1.2 version ==

        * syx/syx-memory.c (GC transactions): use multiple-level transactions

        * st/kernel/Float.st (truncated): added

        * st/kernel/SmallInteger.st (quo:): added and remove #/ fake

2007-07-12  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-primitives.c (Object_at_put): prevent from modifying constant literals
        (ByteArray_at_put): idem

        * syx/syx-object.h (struct SyxObject): added is_constant flag

        * st/kernel/Number.st (to:by:reverseDo:): added

        * st/kernel/ArrayedCollection.st (copyWith:): added

        * st/kernel/Collection.st (copyWith:): added 

        * st/kernel/SequenceableCollection.st (findFirst:): added
        (findLast:): added
        (reverse): added
        (reverseDo): added
        (with:do:): added
        (atAll:put:): added
        (atAllPut:): added
        (from:to:keysAndValuesDo:) added

2007-07-11  Luca Bruno  <lethalman88@gmail.com>

        * SConstruct: build on Mac OS

        * syx/SConscript: call ldconfig on POSIX during installation
        
        * syx/syx-object.c (SYX_SMALL_INTEGER_MUL_OVERFLOW): added
        (SYX_SMALL_INTEGER_SHIFT_OVERFLOW): added

        * syx/syx-memory.c (syx_memory_save_image): save large integers taking care of that Syx built without the Bignum support

        * syx/syx-interp.c (syx_process_execute_blocking): be safe against scheduling processes

        * syx/syx-primitives.c (LargeInteger): return a SmallInteger when we can

        * syx/syx-bytecode.c (syx_bytecode_gen_message): special unary and binary messages need to be rewritten

        * syx/syx-interp.c (syx_send_binary_message): fixed possibly memory corruption

2007-07-10  Luca Bruno  <lethalman88@gmail.com>

        * SConstruct: use syx/syx-config.h instead of config.h

        * Added support for infinite-precision numbers

        * syx/syx-object.h (SYX_CLASS_FINALIZATION): added

        * syx/syx-object.c (syx_object_free): added object finalization
        (syx_large_integer_new): added
        (syx_large_integer_new_integer): added
        (syx_large_integer_new_mpz): added

        * syx/syx-types.h (SYX_SMALL_INTEGER): fixed small integer unpacking

        * syx/syx-interp.c (syx_interp_send_binary): use of syx_int32 for primitives
        (syx_inter_send_unary): idem

        * SConscript: fixed readline detecting

        * plugins/gtk/plugin-init.c (SYX_FUNC_PRIMITIVE): fixed according to previous objects refactoring

        * syx/syx-init.c (syx_fetch_basic): fetch CPointer class

2007-07-09  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-parser.c (syx_parser_parse): push nil at the bottom of block context stack

        * st/kernel/String.st: added basic refinements

        * st/kernel/ByteArray.st: (byteAt:): added
        (byteAt:put:): added

        * syx/syx-primitives.c (ByteArray_at): return a small integer
        (ByteArray_at_put): require a small integer

        * syx/syx-init.h (SYX_INIT_MEMORY_SIZE): doubled initial memory size to 20000 objects

        * st/kernel/Bag.st: added

        * st/kernel/WriteStream.st: added

        * st/kernel/BlockClosure.st (value:value:): added

        * st/kernel/Dictionary.st (associationsDo:): added
        (do:): fixed to enumarate values
        (keysAndValuesDo:): added
        (keysDo:): added
        (select:, collect:, reject:): added for refinement

        * st/kernel/ArrayedCollection.st (select:, collect:, reject:): added for refinement

        * st/kernel/Collection.st (copyEmpty): added

        * syx/syx-parser.c (_syx_parser_parse_term): on error, print the expression if it's a string

        * st/kernel/IdentityDictionary.st: added

2007-07-06  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-error.c (syx_error_init): what a missing static

        * st/kernel/Dictionary.st: subclass Collection and remove hashTable variable
        
        * Done an heavy refactoring to hold both instance variables and data into objects. Before this, an object could have only one of these two states.

        * syx/syx-object.c (syx_object_vars_size): added

        * st/kernel/SmallInteger.st (*): added temporarly to get rid of primitives for finding indexes

        * st/kernel/Set.st: added

        * st/kernel/SequenceableCollection.st (=): added

2007-07-05  Luca Bruno  <lethalman88@gmail.com>

        == Released Syx 0.1.1 version ==

        * syx/syx-scheduler.c (_syx_scheduler_save): remove fd_sets from being written into the image
        
        * src/SConscript: fixed bdist command
        
        * st/kernel/Object.st (error:): added
        (doesNotUnderstand:): fixed to complain the standard

        * st/kernel/Dictionary.st (indexOf:): small but important fix
        (new): fixed initialization
        (initializeTable:): added

        * st/kernel/Signal.st (handlerContext): added
        (signal:): added
        (messageText): added
        (description): added
        (MessageNotUnderstood>>message:receiver:): added

        * syx/syx-primitives.c (Signal_findHandlerContext): removed

2007-07-04  Luca Bruno  <lethalman88@gmail.com>

        * Added bdist command to create a binary distribution

        * Added method caching to unary and binary messages too
        
        * Implemented linear hash tables, similiar to double hash

        * st/kernel/SmallInteger.st (/): added temporarly
        (\\): added

        * st/kernel/Dictionary.st (at:): use hashing
        (at:put:): use hashing
        (indexOf:): added
        
        * syx/syx-object.c (syx_string_hash): added
        (syx_object_hash): fixed
        (syx_dictionary_at_symbol_put): renamed

2007-07-03  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/Integer.st: added
        (bitAnd:): added
        (bitOr:): added
        (bitxor:): added

        * st/kernel/Number.st (between:and:): added
        (abs): added
        (negated): added
        (sign): added

        * st/kernel/SystemDictionary.st (at:put:): accept only symbol keys

        * st/kernel/ObjectMemory.st (snapshot:): was a bad bug

        * st/kernel/Collection.st: added some useful methods
        
        * syx/syx-primitives.c (FileStream_fileOp): fixed opening filenames

        * syx/syx-parser.c (_syx_parser_do_key_continuation): inlined whileFalse:

        * st/kernel/PositionableStream.st: added

        * st/kernel/Behavior.st: added subclassing

2007-07-02  Luca Bruno  <lethalman88@gmail.com>

        == Released Syx 0.1 version ==

        * SConstruct: be able to run Syx in every location on Windows using
          relative paths
        
        * st/kernel/SequenceableCollection.st (at:ifAbsent:): added
        (after:): added
        (before:): added
        (copyFrom:to:): added

        * st/kernel/Collection.st (collect:): added
        (includes:): added
        (isEmpty): added
        (detect:ifNone:): added
        (occurrencesOf:): added
        (reject:): added
        (select:): added

        * st/kernel/True.st,False.st (& |): added

        * st/kernel/Object.st (copy): added with relative primitive Object_copy
        (isKindOf): added
        (isMemberOf): added

2007-07-01  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-memory.c (syx_memdup): added

        * Fixed a big bug in block closures. Had to add a new bytecode to fix that
        
        * syx/syx-object.c (syx_object_copy): added

        * syx/syx-object.h (SYX_CLASS_SUBCLASSES): added instance variable to Behavior

        * syx/syx-memory.h (SYX_MEMORY_INDEX_OF): added

        * syx/syx-object.c (syx_object_hash): hash of small integers and characters are the oop itself. The hash of an object is its index in the object table
        (syx_array_remove): added
        (syx_array_add): added

        * syx/syx-error.c (syx_error_init): message not understoods are handled differently

        * st/kernel/Object.st (doesNotUnderstand). added (issue #2)

        * syx/syx-interp.c (syx_interp_send_unary): use syx_does_not_understand (issue #2)
        (syx_interp_send_binary): idem
        (syx_interp_send_message): idem
        (syx_interp_send_super): idem

        * syx/syx-error.h (syx_does_not_understand): added (issue #2)

        * syx/syx-init.c (_syx_file_in_basic): load Magnitude.st

        * src/main.c (_getopt_do): do not set the ImageFileName

        * syx/syx-primitives.c (Object_identifyHash): added

        * Added LargeNegativeInteger support

2007-06-30  Luca Bruno  <lethalman88@gmail.com>

        * Reenstablished sequence of key/value pairs in hash tables

        * Done some changes to the Smalltalk code

2007-06-29  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-primitives.c: added support for both positive and negative large integers
        
        * syx/syx-init.c (syx_quit): free initial paths

        * syx/syx-interp.h (SYX_PRIM_FAIL): fixed a big memory leak. Message arguments are freed by the interpreter, we need a new reference to them

        * syx/syx-interp.c (syx_process_execute_blocking): do not take care of yields
        (syx_exec_state_fetch): reset bytecodes count to stop execution of blocking processes

        * syx/syx-parser.c (_syx_parser_parse_term): support for large integers

        * syx/syx-types.h (SYX_SMALL_INTEGER_CAN_EMBED): added
        (SYX_SMALL_INTEGER_OVERFLOW): added

        * syx/syx-lexer.c (_syx_lexer_token_number): added support for large integers

2007-06-28  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-primitives.c (SmallInteger_asFloat): added

        * Smalltalk: add number coercing, now you can do arithmetic between integers and floats

        * src/main.c (_help): added

        * Added sdist target to scons files to create a source distribution

        * Added the license to all files
        
        * syx/syx-interp.c (syx_interp_send_message): simple method caching
        (syx_interp_send_super): idem

        * syx/syx-bytecode.c (syx_bytecode_gen_message): create an unbound method reference

        * syx/syx-object.c (syx_dictionary_binding_at_symbol): renamed. Return an Association of key -> value to bind variables
        (syx_dictionary_binding_at_symbol_if_absent): idem
        (syx_dictionary_bind): added
        (syx_dictionary_bind_if_absent): added
        (syx_dictionary_bind_set_value): added
        (syx_class_lookup_method_binding): added
        
2007-06-27  Luca Bruno  <lethalman88@gmail.com>

        * Fixed initializing the image path

        * SConstruct (win32 options): fixed image path
        (install): fixed st files installation

        * tests/testinterp.c (main): added tests for class variables

        * syx/syx-bytecode.c (syx_bytecode_push_global): renamed to push_binding_variable, so it can be used also for class variables
        (syx_bytecode_assign_binding_variable): added

        * syx/syx-parser.c (_syx_parser_parse_name_term): search for class variables

        * syx/syx-utils.c (_syx_cold_parse_names): added to be reused with class variables
        (_syx_cold_parse_class): added class variables

        * syx/syx-interp.c (syx_interp_push_global): push the value of the variable binding instead of looking up the symbol each time
        (syx_interp_push_global): renamed to push_binding_variable, to push class variables or globals

        * syx/syx-init.h (syx_globals_link_at): added

        * syx/syx-object.c: removed unused syx_dictionary_at_const and syx_dictionary_at_const_if_absent
        (syx_dictionary_new): hold Associations instead of a sequence of keys and values
        (syx_dictionary_link_at_symbol): added
        (syx_dictionary_link_at_symbol_if_absent): added

2007-06-26  Luca Bruno  <lethalman88@gmail.com>

        * src/main.c (_getopt_do): added option -S to quit once built the image from scratch

        * src/SConscript (syx executable): create the default image once installed

        * SConstruct: added win32 installation with only a single root prefix

        * syx/syx-init.c (syx_quit): missed scheduler quitting

        * syx/syx-primitives.c (Semaphore_waitFor): added

        * syx/syx-scheduler.h (struct SyxSchedulerPoll): added

        * syx/syx-scheduler.c: added syncronized I/O multi-plexing with select during scheduling
        (syx_scheduler_poll_read_register): added
        (syx_scheduler_poll_write_register): added
        (syx_scheduler_quit): free allocated memory for read/write polls

        * plugins/readline/plugin-init.c (Readline_readline): free returned string

        * syx/SConscript (install): added includes

        * tests/testscheduler.c (main): added semaphores test

2007-06-25  Luca Bruno  <lethalman88@gmail.com>

        * st/kernel/initialDecl.st (Semaphore): be fixed containing an array of waiting processes

        * syx/syx-object.h (SYX_SEMAPHORE_LIST): added
        (SYX_SEMAPHORE_SIGNALS): added

        * syx/syx-utils.c (syx_semaphore_wait): readded
        (syx_semaphore_signal): readded

        * syx/syx-object.c (syx_object_grow_by): changed to a macro
        (syx_object_resize): added

        * INSTALL: changed to reflect the Syx building system

2007-06-24  Luca Bruno  <lethalman88@gmail.com>

        * SConstruct (install): remove Smalltalk files when uninstalling

        * syx/syx-object.c (syx_symbol_new): return nil if NULL is supplied
        (syx_string_new): idem

        * syx/syx-primitives.c (BlockClosure_asContext): fixed GC transaction
        (BlockClosure_valueWithArguments): idem
        (BlockClosure_newProcess): idem
        (BlockClosure_value): use nil instead of an empty array
        (BlockClosure_on_do): idem

        * syx/syx-interp.h (SYX_PRIM_ARGS): added to assert the number of arguments

        * Added install target
        
        * syx/syx-plugins.c (syx_plugin_call): load the plugin not loaded yet

        * syx/syx-error.h (syx_warning): added

        * src/main.c (_getopt_do): added error checks

2007-06-23  Luca Bruno  <lethalman88@gmail.com>

        * src/main.c: added getopt

        * Added readline plugin

        * syx/syx-lexer.c (_syx_lexer_token_number): added exponent for floats

2007-06-22  Luca Bruno  <lethalman88@gmail.com>

        * Doxyfile (LATEX_OUTPUT): added
        (OUTPUT): moved to build directory

        * Separated executable binaries from libraries by adding directory src
        
        * Now the build process is done in a separate directory named 'build'

        * Fixed scheduled processes

        * Added plugins support
        
        * Added a basic Gtk plugin for test

2007-06-21  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-object.c (syx_object_new_size): alloc for byte size if object has no references

        * Use timeval to benchmark the tests

        * Removed SmallFloats and added only Floats. Therefore, SmallIntegers are again 31 bit wide

2007-06-19  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-memory.c (syx_memory_load_image): fixed
        
        * syx/syx-platform.h: added
        
        * syx/syx-enums.h (SyxVariables): added Metaclass instanceClass
        
        * Smalltalk: added tracebacks and other stuff

2007-06-18  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-parser.c (_syx_parser_parse_term): added negation

        * syx/syx-lexer.c (_syx_lexer_token_number): added radix numbers

        * Done a refactoring to use pointers instead of indexes for oops
        

2007-06-17  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-primitives.c (Signal_findHandlerContext): fixed

        * syx/syx-error.h (syx_debug): added

        * syx/syx-utils.c (syx_send_message): added

2007-06-15  Luca Bruno  <lethalman88@gmail.com>

        * Added floats

        * syx/syx-memory.c (syx_memory_load_image): do not add extra byte for strings
        (strndup): added if missing in other environments
        (memdup): same

        * SConstruct: added various options and organized for a better debugging

        * syx/syx-object.c (syx_string_new): add 1 to the size to hold NULL char
        (syx_symbol_new): same

        * syx/syx-interp.c (syx_interp_mark_arguments): do not alloc if not arguments are given.
        Fixed memory leaks.
        Do not pass the execution state trough parameters, instead keep it global.
        This would produce a better C/Smalltalk interface

        * st/kernel/ObjectMemory.st: adjusted
        
        * st/kernel/SystemDictionary.st (quit:): added with relative primitive

        * syx/syx-error.c: added
        
        * st/kernel/String.st (size): subtract 1 whith is the NULL char

2007-06-14  Luca Bruno  <lethalman88@gmail.com>

        * Removed Glib dependency

        * Removed autotools replaced with Scons build system

2007-06-13  Luca Bruno  <lethalman88@gmail.com>

        * Just work on Windows using MinGW

        * syx/syx-interp.c (syx_interp_send_message): if the message is unary don't create an empty array
        (syx_interp_send_super): same
        (syx_interp_send_unary): same

        * syx/syx-parser.h (struct SyxParser): renamed with starting _

        * syx/syx-scheduler.c (syx_scheduler_quit): fixed for now

        * Everything has been documented for Doxygen
        
        * syx/syx-scheduler.c (syx_scheduler_quit): rewrote after GMainLoop has been removed

        * syx/syx-bytecode.c (syx_bytecode_free): free_segment is not needed anymore

        * syx/syx-primitives.c (ArrayedCollection_replaceFromWith): added

        * syx/syx-memory.c (syx_memory_alloc): removed _syx_memory_top
        (syx_memory_init): removed _syx_memory_top and fill _syx_freed_memory_top. Realloc _syx_freed_memory too
        (syx_memory_free_all): removed, we can use syx_memory_clear

2007-06-12  Luca Bruno  <lethalman88@gmail.com>

        * Everything we need to let the Console work men

        * syx/syx-utils.c (_syx_cold_parse_class): if superclass changed, we must update the metaclass too

        * syx/syx-lexer.c (_syx_lexer_token_symbol): fixed, now includes colons

        * tests/*: removed all memory leaks
        
        * st/kernel/Number.st (to:by:do:): added because needed by dictionary hash tables

        * st/kernel/False.st (or:): added

        * st/kernel/True.st (or:): added

        * st/kernel/Dictionary.st: added

        * syx/syx-primitives.c (syx_primitive_at_put): fixed index
        (syx_primitive_at): fixed index

2007-06-11  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-memory.c (syx_memory_init): realloc only if memory must be larger
        (syx_memory_load_image): if we load an image over another one, be sure we free the previous data

        * syx/main.c (main): something new to try out

        * syx/syx-init.c (syx_build_basic): SYX_IS_OBJECT returns FALSE if it's a constant, so we have to set the class ourselves
        (syx_init_basic_streams): removed
        (syx_init_system): added, initialize the system from within Smalltalk itself

        * syx/syx-interp.c (syx_process_execute_blocking): don't schedule process if has no context to enter
        (syx_process_execute_scheduled): same

        * syx/syx-utils.c (syx_send_unary_message): added
        (syx_send_binary_message): added

        * syx/syx-parser.c (_syx_parser_parse_method_message_pattern): removed GString dependency to use a stack'd array
        (_syx_parser_do_key_continuation): same

        * syx/syx-parser.h (struct SyxParser): removed GTrashStack dependency

        * syx/syx-primitives.c (FileStream_fileOp): added and removed others

        * syx/syx-memory.h (syx_alloca): added
        
        * syx/syx-object.h (SYX_NIL, SYX_TRUE, SYX_FALSE): removed

        * syx/syx-bytecode.c (syx_bytecode_duplicate_at): fixed

2007-06-10  Luca Bruno  <lethalman88@gmail.com>

        * syx/syx-init.h (syx_globals_at_if_absent): added

        * syx/syx-object.c (syx_dictionary_at_const_if_absent): added
        (syx_dictionary_at_symbol_if_absent): added
        (syx_dictionary_at_symbol): raise an error if the key has not been found
        (syx_dictionary_at_const): same

        * syx/syx-parser.h (struct SyxParser): removed GPtrArrays and added regular stacks for temporary and argument names

        * syx/syx-object.c (syx_symbol_new): increase size to hold '\0'
        (syx_string_new): increase size to hold '\0'

        * tests/testimage.c: added

        * syx/syx-interp.c: use transactions when creating new method contexts

        * syx/syx-memory.c (syx_memory_clear): added, do the inverse of syx_memory_init
        (syx_memory_free_all): added, free all objects except nil, true and false
        (syx_memory_save_image): added
        (syx_memory_load_image): added
        (syx_memory_init): now specify how many objects must be allocated in the heap

        * syx/syx-init.c (syx_build_basic): splitted to own only image building process
        (syx_quit): added
        (syx_fetch_basic): added by splitting syx_build_basic. This function will be used also when loading the image

2007-06-08  Luca Bruno  <lethalman88@gmail.com>

        * syx-primitives.c (BlockClosure_newProcess): ovverride parent context with nil

2007-06-07  Luca Bruno  <lethalman88@gmail.com>
            
        * syx-scheduler.c, syx-interp.c: fixed the process scheduler
        
        * syx-interp.c (syx_interp_do_primitive): removed
        * syx-interp.c (syx_interp_call_primitive): added
        * syx-primitives.c (SYX_PRIM_FAIL): added
        * syx-primitives.c (SyxPrimitiveFunc): added the method containing the primitive call as argument
        * syx-scheduler.c (syx_processor_first_process): added
        Added as instance variable

        * syx-primitives.c (BlockContext_asContext, BlockContext_valueWithArguments): copy the array to avoid memory leaks
        * syx-object.h (SYX_METHOD_PRIMITIVE): added
        * syx-interp.c, syx-parser.c: removed do_primitive bytecode to
        inline primitive calls

2007-06-05  Luca Bruno  <lethalman88@gmail.com>

        * syx-bytecode.c (syx_bytecode_unary_messages, syx_bytecode_binary_messages): used to avoid memory allocation for well known symbol literals
        * syx-bytecode.c (syx_bytecode_gen_message): finds any occurrence of the given message into known symbols
        All calls have been updated
        * syx-interp.c (syx_interp_send_unary, syx_interp_send_binary): handles and send a common message

        * syx-object.c: removed is_static field not needed at the moment
        All parts have been updated
        * syx-init.c (_syx_create_class): changed from FALSE to TRUE the value to be put in has_refs (was a bad mistake)
        * syx-memory.c (syx_memory_gc): added some debugging informations
        * syx-memory.c (syx_memory_gc_begin, syx_memory_gc_end): added for creating GC transactions
        * syx-bytecode.c (syx_bytecode_gen_instruction): generate 16 bit-wide instructions
        All calls to it and the interpreter have been updated

2007-06-04  Luca Bruno  <lethalman88@gmail.com>

        * configure.ac: removed -pedantic since we use bitfields that are a GCC extension
        * Everything has been refactored using SyxOop instead of working on raw pointers. This can be slower but allows all platforms (32bit or 64bit) to access the memory by indexes

        * syx-interp.c (syx_interp_leave_context_and_answer): removed an argument because the return context has been inserted into method contexts
        * syx-interp.c (syx_interp_send_message): fixed message arguments array creation
        * syx-object.c (syx_byte_array_*): added
        * syx-object.c (syx_*_context_new): copy arguments to the context arguments stack
        * syx-object.h (SYX_METHOD_CONTEXT_RETURN_CONTEXT): moved from block contexts for speed matters
        * syx-object.h (SYX_BLOCK_ARGUMENTS_TOP): holds the index to the arguments stack
        * syx-object.h (SYX_PROCESSOR_SCHEDULER_*): old mistake SYX_PROCESS_SCHEDULER
        * syx-primitives.c (SmallInteger_*): bug fix
        * syx-parser.c (_syx_parser_parse_block): now operate on the same parser instead of creating a new one, to share arguments and temporaries
        * syx-parser.c (syx_parser_new): removed last two arguments, not needed anymore because of shared scopes
        * syx-parser.c (syx_parser_parse): store bytecodes as a ByteArray
        * syx-parser.c (_syx_parser_find_*): return -1 instead of 0 since syx_varsize now is not unsigned anymore
        * syx-parser.h (SyxParserScope, SyxParserScopeStack): added to share arguments and temporaries between methods and nested blocks
        * syx-memory.c (syx_memory_alloc): call syx_memory_gc once the heap is full
        * syx-types.h (SYX_IS_POINTER): fixed
        * syx-init.c (syx_build_basic): added syx_byte_array_class

2007-06-03  Luca Bruno  <lethalman88@gmail.com>

        * syx-memory.c (syx_memory_gc): added a basic implementation of a mark and sweep garbage collector
        * syx-memory.c (syx_memory_get_heap): added function
        * syx-memory.c (syx_memory_get_heap_size): added function
        * syx-utils.c (syx_path_join): removed

        * syx-object.c (SyxObject): added is_static, has_refs and is_marked bitfields to use for garbage collection with relative macro accesses
        * syx-types.h (syx_varsize): small integers can hold only signed ints
        * syx-memory.c (syx_memory_get_heap): added function
        * syx-memory.c (syx_memory_free): added function
        * syx-utils.c (syx_path_join): fixed possible memory leaks
        Calls to syx_object_new* have been fixed

        * Added a TODO file
        * syx-utils.c (syx_path_join): some stylistic fixes

        * Added Doxygen documentation

        * syx-types.h: defining TRUE and FALSE booleans when not defined (e.g. when not including glib.h)
        * syx-types.h (SYX_SMALL_INTEGER): use double shifting instead of AND/INVERT
        * syx-object.c (syx_class_lookup_method): added function and removed the issued macro
        * syx-utils.c: removed GError when not needed
        * syx-init.c: removed unused GHashTable
        * syx-interp.c (syx_exec_state_free): added inline function
        * syx-interp.c (syx_exec_state_save): fixed saving the execution state of a process
        * Removed all G_BEGIN_DECLS / G_END_DECLS to make use of Doxygen

2007-06-01  Luca Bruno  <lethalman88@gmail.com>

        * configure.ac: override standard CFLAGS
        * syx-object.c (syx_dictionary_at_symbol_put): return once we found the right place to put the data
        * syx-object.c (syx_metaclass_new, syx_class_new): avoid nil values to speed up lookups
        * syx-object.c (syx_symbol_new): put the symbol itself instead of SYX_TRUE
        * syx-enums.h (SyxTokenType): put string-based token types at the end so that syx_token_free can free strings
        * syx-lexer.h: Added SyxToken structure to get rid of GValue
        * syx-lexer.c: removed GValue dependency and Glib ascii functions usage
        Renamed all static functions
        All parts of Syx have been updated with the new behavior of the lexer, including the parser and the tests
        * syx-lexer.c (syx_lexer_free): added function
        * syx-lexer.c (syx_token_free): added function
        * syx-bytecode.c (syx_bytecode_free): added function
        * syx-parser.c (syx_parser_free): added function
        Renamed all static functions.
        * syx-utils.c: completely refactored without using Glib
        * syx-utils.h: removed G_VALUE_STRCMP
        * Replaced all g_strcasecmp and g_strdup with strcmp and strdup
        * syx-init.c (syx_init): removed g_type_init, we do not need GObject for GValue anymore
        * st/kernel/initialDecl.st: fixed instance variables according to syx-enums.h
        * syx-memory.c (syx_freev): new function to free NULL terminated arrays
        * syx-memory.c (_syx_memory): moved from static to dynamic
        * syx-memory.c (syx_memory_free): removed because of future garbage collector
        * syx-memory.h (SyxMemoryLink): removed with syx_memory_free
        * syx-types.h (syx_small_integer_new, syx_character_new): be sure we work on a long before doing bitwise operations
        * syx-types.h (syx_char): added type
        * syx-types.h (syx_size): changed from unsigned long to long according to standard size_t
        Removed lots of Glib memory related dependencies.
        Recovered a bunch of memory leaks