Commit Graph

649 Commits

Author SHA1 Message Date
svenbarth
bd19a16be9 Add support for Default() intrinsic. For now this is only (fully) supported
in code and not in constants. In the case of primitive types constant nodes
are used while complex types like arrays, records and objects use a local
variable which is initialized to zero once at the entry of the method (the
variable is reused if Default() is used for the same type multiple times in
the same method). For this a new compilerproc was added which uses FillChar
to initialize the given memory area to zero.
This fixes Mantis #9420.

+ psystem.pas: Added Default symbol to system unit
+ htypechk.pas: Added function "is_valid_for_default" which checks recursively
                whether the given type can be used with Default at all. 
                Forbidden types are files, helpers, ObjC and C++ types. This
                check is used for records, arrays and objects only if the mode
                is a non-Delphi one, as Delphi ignores these types on lower
                levels.
+ msg/errore.msg: Added error message for unsupported types for Default()
+ symconst.pas: Added a new enum value vo_is_default_var which is used for the
                local variables utilized by Default() so their initalization
                and finalization can be avoided.
+ pexpr.pas: Add handling of Default() intrinsic to "statement_syssym"
+ ninl.pas: Extended tinlinenode by a method which returns the correct node for
            a Default() and used that method in handle_typecheck.
* ncgutil.pas: Check for new flag "vo_is_default_var" when initializing and
               finalizing local variables.
* ppu.pas: increase PPU version
+ psub.pas: 
  * Added a new routine which zeros defaultvars of a symtable.
  * Use this routine inside "initializevars".
  * Also use this routine to initialize the staticsymtable of the unit/program.
* Adjusted ppudump, because of the new enum value.
+ Added implementation of fpc_zeromem to system unit.
+ Added tests for Default()

git-svn-id: trunk@20629 -
2012-03-25 16:02:27 +00:00
florian
f4af507321 * inline is only a hint to the compiler which might be ignored so throw only a hint and not a warning if subroutine cannot be inlined
git-svn-id: trunk@20626 -
2012-03-25 14:19:45 +00:00
florian
0a118768c0 * updated copyright message to 2012
git-svn-id: trunk@20605 -
2012-03-23 18:38:05 +00:00
Jonas Maebe
3589f90cf8 * also show the valid bounds in most cases when signalling a range check
warning/error while evaluating constants (mantis #21299)

git-svn-id: trunk@20507 -
2012-03-10 21:53:36 +00:00
Jonas Maebe
eb2cccffda + -WM<X> and -WP<x> command line parameters to specify the minimally required
Mac OS X/iOS version for the compiler code
   o such a parameter is not passed, extract the information from the
     environment variables MACOSX_DEPLOYMENT_TARGET/IPHONEOS_DEPLOYMENT_TARGET,
     like gcc
   o if neither the parameter nor the environment variable is used, use preset
     default values
   o pass on this version setting on to the Darwin linker
   o use this setting to determine which version of the startup code (crt1.o
     etc) to use, if any (based on information gathered from the GCC sources)
   o define a symbol called MAC_OS_X_VERSION_MIN_REQUIRED/
     IPHONE_OS_VERSION_MIN_REQUIRED based on this parameter
   o for usage information, see
     http://wiki.freepascal.org/FPC_New_Features_Trunk#Support_for_specifying_and_querying_the_deployment_version

git-svn-id: trunk@20503 -
2012-03-10 19:31:57 +00:00
Jonas Maebe
a6a43c71ec * give an error message when including a file starting with an UTF-8 BOM
in a compilation module parsed using a different code page, because this
    changes the default ansistring type and {$codepage xxx} is also not
    allowed in the middle of a unit (mantis #21445)

git-svn-id: trunk@20488 -
2012-03-09 22:50:14 +00:00
Tomas Hajny
f1b81f12b5 * indicate -an being only useful with -dEXTDEBUG
git-svn-id: trunk@20433 -
2012-02-26 20:49:45 +00:00
florian
96e8e89e16 * write error code if an object file cannot be created
git-svn-id: trunk@20083 -
2012-01-15 10:59:10 +00:00
florian
ea8ae7c867 * update of Portuguese compiler message file by Marcelo B Paula, resolves #20963
git-svn-id: trunk@19898 -
2011-12-28 17:44:46 +00:00
marco
28c27c409e * fixed up messages compilation after last commit.
git-svn-id: trunk@19780 -
2011-12-08 20:49:18 +00:00
paul
031eb4d51c compiler: fix 'class class' message
git-svn-id: trunk@19682 -
2011-11-25 08:34:24 +00:00
pierre
8f7ea8718b + Add message for TExternalLinker.CatFileContent method
git-svn-id: trunk@19646 -
2011-11-18 21:28:46 +00:00
Jonas Maebe
74510f9069 + generic infrastructure for target-specific switches
+ -CTcompactintarrayinit command line option to change the code generation
    for typed array of some kind of integer-type initialization so that it
    takes up less space in the bytecode (because the bytecode for all
    routines, including the class initialization code that contains the
    typed constant init code, is limited 64kb, large array or multiple
    array constants could fairly easily bump into that limit)

git-svn-id: branches/jvmbackend@19638 -
2011-11-14 22:57:41 +00:00
paul
26f66897cd compiler:
- warn if compiler finds implicit or explicit string type conversion from a form of ansi string to a form of unicode string and vice versa
  - mark explicit warnings as OFF by default
  - warn if compiler finds an assignment of an unicode char const to ansi string or char type (warn for assignment of unicode string const to be implemented)
  - revert a piece of code from r19457 regards shortstring handling because shortstring handling should not differ from ansistring in this paticular case

git-svn-id: trunk@19574 -
2011-11-03 00:39:22 +00:00
florian
6ec0f2549a * factored load node flags out of node flags to gain space
+ implemented iso mode mod, resolves #17685

git-svn-id: trunk@19558 -
2011-10-30 15:14:21 +00:00
sergei
6a3fe72de9 + Support .rva directive in AT&T reader. Put it into base class because it generally applies to all targets with COFF output, but enabled for Windows targets only (others need additional testing).
+ Support .seh_handlerdata directive in Win64.

git-svn-id: trunk@19546 -
2011-10-25 15:18:47 +00:00
sergei
85f7914906 * Don't generate .seh_endprologue if SEH directives are present in the text of (pure assembler) procedure, as it results in duplicate .seh_endprologue.
* Added checks for .seh_endprologue presence and correct position.

git-svn-id: trunk@19388 -
2011-10-06 03:29:35 +00:00
sergei
0db44ae108 + Support SEH directives in x86_64 AT&T asmreader.
git-svn-id: trunk@19366 -
2011-10-04 12:26:41 +00:00
Jonas Maebe
3b47c40ed2 * check whether methods that implement interface methods are public
or published, because interface methods are always public and
    hence mapping them to a private/protected method increases the
    visibility of the underlying method (error on JVM target because
    the JVM doesn't like that, warning on other platforms)

git-svn-id: branches/jvmbackend@19156 -
2011-09-19 21:22:44 +00:00
Jonas Maebe
f96f5f9e94 + {$VARPARACOPYOUTCHECK+/-} / -Cv switch to enable checking
var-parameters on the JVM target for changes to the value passed
    as var-parameter during the function call (because they are handled
    via copy-in/copy-out, this may indicate unexpected bahviour later on).

    out-parameters are checked in the same way, except if the out-parameter
    is a local variable because then reading it before the call may result
    in a bytecode verification error (since the variable may not yet be
    initialized)

git-svn-id: branches/jvmbackend@19153 -
2011-09-19 19:59:26 +00:00
paul
8a4634a7b1 merge r13481 from cpstrnew branch by florian
+ support parsing of strings with code page specification
+ added encoding and elementsize field to ansi- and unicodestring records
+ some basic rtl support routines for encoding aware strings
+ DefaultSystemCodePage
+ DefaultUnicodeCodePage
+ ppu writing/loading of code page aware strings

git-svn-id: trunk@19080 -
2011-09-17 10:37:36 +00:00
pierre
a5d2840980 + Fix commit 19061, by restoring cs_link_smart code and disabling
cs_create_smart if using dwarf information and external assembler
   debug information as this is not compatible.
 * Added a different message for cs_create_smart.

git-svn-id: trunk@19065 -
2011-09-14 13:38:15 +00:00
pierre
5a671336c7 Fix go32v2 rtl compilation error and add warning for %es:Const
git-svn-id: trunk@19057 -
2011-09-13 16:20:12 +00:00
Jonas Maebe
633de3fe30 * give an error when calling a virtual constructor from another constructor
on the JVM target, because the generated code was invalid and I can't think
    of a generic way to solve it (see added comments in njvmcal.pas)

git-svn-id: branches/jvmbackend@19055 -
2011-09-12 18:08:46 +00:00
florian
1491d77c9d * avoid ugly space in compilation summary
git-svn-id: trunk@18865 -
2011-08-27 21:21:24 +00:00
Jonas Maebe
9aa40f5a08 * give a warning that packrecords settings are ignored when compiling for
managed VM targets

git-svn-id: branches/jvmbackend@18815 -
2011-08-23 15:26:14 +00:00
Jonas Maebe
28c20cfc5e * the default string type for the JVM target is no longer automatically
unicodestring = java.lang.String. The reason this was the default in
    the past is that this was the first string type that was implemented,
    and without it being the default most code involving string operations
    would fail. Now the default strings types are the same as for other
    targets
  + new {$modeswitch unicodestrings} directive, that when activated
    *together* with {$h+},
   1) changes char into an alias for widechar
   2) changes string into an alias for unicodestring
   3) changes the preferred string evaluation type (in case of uncertainty)
      to unicodestring
    {$modeswitch unicodestrings} with {$h-} does not change anything at all
    regarding the string type (it still changes the char type)
  + new uuchar unit that redefines char as widechar, and which is automatically
    included by the compiler if {$modeswitch unicodestrings} is enabled

git-svn-id: branches/jvmbackend@18781 -
2011-08-20 08:35:47 +00:00
Jonas Maebe
d48fa1d7e2 * for all managed VM targets, reject ord->ptr typecasts (except for 0),
typeof(), typeinfo(), seg(), ofs(), settextbuf(), slice(), resourcestring,
    new(), dispose()

git-svn-id: branches/jvmbackend@18747 -
2011-08-20 08:32:21 +00:00
Jonas Maebe
7d8cbe80f5 + support for virtual class methods on the JVM platform. The JVM does not
support those natively, so they are emulated via the procvar infrastructure
    (and hence not very fast). Could probably be optimized somewhat by adding
    a cache (hashmap of procvars) to the class hierarchies, maybe in the
    future.

git-svn-id: branches/jvmbackend@18704 -
2011-08-20 08:26:11 +00:00
Jonas Maebe
10a7532968 * differentiate between typecasts on the assignment side or not, because we
cannot insert typecasting checks on the assignment side, only on the
    values that are being assigned
   o since valid_for_assignment() is called in tassignmentnode.typecheckpass()
     after typecheckpassing left and right, moved the conversion of the
     typecheck nodes into JVM-specific constructs from typecheckpass to
     pass_1, so that they can use the information whether they are on
     the assignment side or not
  * forbid casting a child type to a parent type on the assignment side on
    managed platforms, because that circumvents the type checking

git-svn-id: branches/jvmbackend@18515 -
2011-08-20 08:06:20 +00:00
Jonas Maebe
694ccf3df3 + dummy support for untyped var/const/out parameters on the JVM target
o includes basic "auto-boxing" infrastructure to support Delphi.NET-
     compatible untyped parameters as described at
     http://hallvards.blogspot.com/2007/10/dn4dp24-net-vs-win32-untyped-parameters.html

git-svn-id: branches/jvmbackend@18510 -
2011-08-20 08:05:54 +00:00
florian
da9d0d24e8 * update of german error message files by Karl-Michael Schindler, resolves #20021
git-svn-id: trunk@18457 -
2011-08-20 08:01:26 +00:00
Jonas Maebe
009a30d8cf * reworked saving/restoring the scanner state (immediately replace scanner
with temporary one when saving, since it's also freed when restoring ->
    called replace_scanner() instead of save_scanner() now)
  * when using -vd, print out the text that is internally generated for
    injecting into the scanner

git-svn-id: branches/jvmbackend@18442 -
2011-08-20 07:59:54 +00:00
Jonas Maebe
d47f26bbca * for now only auto-generate a parameterless constructor in case no
constructor is declared, rather than all constructors from the parent
    class (because it cannot be done via scanner-injection, since some
    parameter types of the parent constructors may not be visible in the
    current unit, and there is no full-blown tprocdef.getcopy yet nor
    a way to replace the type of the self-parameter afterwards)
  * added sanity checks when inserting the parameterless constructor
    (check for other identifiers called "create", and other parameterless
     methods)

git-svn-id: branches/jvmbackend@18432 -
2011-08-20 07:59:08 +00:00
Jonas Maebe
b6bae1e2e7 * do not automatically resolve constructor calls to constructors of parent
Java classes in case it is not declared in the specified Java class,
    because that will create an instance of such a parent class (in the
    future, we can may automatically clone inherited constructors)

git-svn-id: branches/jvmbackend@18425 -
2011-08-20 07:58:34 +00:00
Jonas Maebe
30a6290aac + support for formal constants (= not typed constants) in Java interfaces,
like in Java (mainly for header translations)

git-svn-id: branches/jvmbackend@18399 -
2011-08-20 07:56:24 +00:00
Jonas Maebe
37b5c061e3 + support for "final" fields in *external* (Java and other) classes, enabled
via {$modeswitch finalfields} (on by default on the JVM target). The
    meaning is the same as in Java: a final (class) field can only be set
    in a (class) constructor of the class it's defined in, and can only be
    written once there (and *must* be set there). They are currently only
    supported for external classes since that basically turns them into
    constants, since for non-external classes we need full dataflow analysis
  o refactored pdecobj.parse_object_members() a bit in the process to reduce
    the amount of repetition (which would have been further increased for
    the support for final fields)
  o made error message about "wrong use of absolute" for fields etc generic,
    so it gives a proper error depending on which token was used (it had
    to be made generic for "final" support, but already was used for other
    things that were wrongly reported as "absolute" misusages)

git-svn-id: branches/jvmbackend@18398 -
2011-08-20 07:56:18 +00:00
Jonas Maebe
e269f68359 * require that class methods are "static" for Java classes
git-svn-id: branches/jvmbackend@18345 -
2011-08-20 07:49:24 +00:00
Jonas Maebe
83dc297346 + Java interface support, mostly the same as Objective-C protocols
(generalised some error messages that were specific to protocols
     so they can also be used for Java interfaces)
  o note, Java interface support requires a fix to Jasmin 2.4:
    http://sourceforge.net/tracker/?func=detail&aid=2897170&group_id=100746&atid=628212

git-svn-id: branches/jvmbackend@18344 -
2011-08-20 07:49:19 +00:00
Jonas Maebe
6e82417a51 * various small support fixes for Java classes:
o support formal external definitions (like for objcclass)
   o allow specifying an "import_dll" for external Java classes, which can
     be used to specify the Java package name (like the dll for cppclass)
   o take the package name into account when mangling the Java class name
   o several messages that were specific to Objective-Pascal classes have
     been generalised because they also apply to Java classes, same for
     several compiler function names
   o disabled some proccall directives for Java, but more needs to happen
     (Java methods are always either instance-virtual or class-static)

git-svn-id: branches/jvmbackend@18319 -
2011-08-20 07:38:26 +00:00
florian
c855c7a0aa * unified handling of comparison of constant and expression with disjunct ranges of values
* warn if such an expression is encountered
* don't optimize the expression if it has side effects, resolves #17838

git-svn-id: trunk@18275 -
2011-08-19 18:47:37 +00:00
florian
cf874a3465 * give a more understandable error message if a procedure "result" is tried to be a
ssigned, resolves #19122 (and breaks hopefully nothing procvar related)

git-svn-id: trunk@18267 -
2011-08-18 21:10:05 +00:00
sergei
bbae63a4f2 * Check that a single interface is only delegated to a single property within a class.
* Disallow simultaneous use of method resolution and delegation for the same interface. An interface with method resolution must be implemented directly. This is Delphi compatible and resolves #18058.

git-svn-id: trunk@18179 -
2011-08-12 14:42:30 +00:00
florian
562961fd42 * catch EOSError, EIOError and IOutOfMemory exceptions inside the compiler
so a proper error message is written (resolves #19871), 
  EOutOfMemory is not handle perfectly because it could be that the exception
  handling requires again a memory allocation

git-svn-id: trunk@18132 -
2011-08-07 09:18:07 +00:00
florian
57cdf34a6b * put -Wpxxxx switch on the help screen
git-svn-id: trunk@18012 -
2011-07-17 20:42:56 +00:00
pierre
bded762fef Add missing x86_64 -A options
git-svn-id: trunk@17930 -
2011-07-04 08:58:46 +00:00
pierre
f220513821 + Warning for possible library overloading
git-svn-id: trunk@17803 -
2011-06-23 08:28:49 +00:00
florian
4f18a59b87 * fixes errore.msg file errors, resolves #19541
git-svn-id: trunk@17722 -
2011-06-11 21:21:59 +00:00
florian
ebc7a10954 * synchronized -Wxxxxx handling in options.pas and help screen, resolves #19400
* limited -Wxxxxx options to the targets they apply to

git-svn-id: trunk@17664 -
2011-06-05 15:39:44 +00:00
florian
93e53e1990 * allow also smaller values for code alignment parameters than the current one, resolves #19463
* limit code alignment parameters to power of 2 up to 256
* give an error for an invalid code alignment directive

git-svn-id: trunk@17659 -
2011-06-04 20:56:15 +00:00
sergei
d908fb42f7 x86 assembler fixes:
* Factored repeating REX operations into a separate function.
* Fixed instruction matching bug which was preventing compilation of 3-operand SIMD instructions with RIP-relative operand + test.
* Do not adjust offset of RIP-relative reference if it is a literal number, this was causing 0x123(%rip) to assemble as 0x122(%rip) in 3-operand instructions. Now tasm2.pp is the same with and without -Aas. Also fixed the expected result, improved verbosity of diagnostic and removed %norun, so it is actually executed.
+ Disallow high-byte registers in instructions requiring REX + test.

git-svn-id: trunk@17478 -
2011-05-16 20:18:03 +00:00
florian
d0c6e23116 + -Sy on the command line is now equal to $T+, resolves #16160
git-svn-id: trunk@17477 -
2011-05-16 15:36:16 +00:00
paul
ab8db32e2e compiler: correct the last used number for parser messages
git-svn-id: trunk@17349 -
2011-04-20 02:34:09 +00:00
paul
f904f41664 compiler: don't allow local or anonymous records to have types (the second part of issue #0019099)
git-svn-id: trunk@17336 -
2011-04-18 06:10:56 +00:00
florian
d3e0105ba8 + Italian UTF-8 message file, contributed by Massimo Soricetti, resolves #19179
git-svn-id: trunk@17332 -
2011-04-16 20:41:59 +00:00
svenbarth
35b47e491c Rebase to revision 17306
git-svn-id: branches/svenbarth/classhelpers@17314 -
2011-04-13 10:04:14 +00:00
florian
c97869bd89 * merge user sections support branch
git-svn-id: trunk@17285 -
2011-04-10 18:08:59 +00:00
svenbarth
d0705a1779 Rebase to revision 17236
git-svn-id: branches/svenbarth/classhelpers@17241 -
2011-04-03 17:24:35 +00:00
svenbarth
a944be69a6 * nflw.pas: search for enumerators in helpers for records as well
* pdecobj.pas:
- parse_object_members: in record helpers class methods need to be declared as "static" like in records
- object_dec: 
 - allow "published" in helpers as well
 - disallow inheritance for record helpers in mode Delphi (and remove the forward declaration flag in that case)
* pdecsub.pas:
pd_abstract: "abstract" isn't allowed in either mode
* pexpr.pas: multiple corrections because of "inherited" and records
- allow "inherited" for "record helpers" (except for mode Delphi)
- load the symbol from the correct class (I hope...)
- give a more precise error message if "inherited" is used in records
* ptype.pas: I forgot to adjust the "(bit)packed record" case
* symtable.pas:
- searchsym_in_helper: "result" was not initialized (and identation fix)
- search_last_objectpascal_helper:
 - don't search if there are no helpers (useful for projects that does not contain helpers like the compiler itself)
 - don't search if the type to search helpers for is defined locally
 - don't search if the type is a anonymous record
- search_struct_member: search for symbols in helpers as well
- msg*: 
* correct the message for "parser_e_not_allowed_in_helper"
* add message "parser_e_inherited_not_in_record" which is used to tell that the use of "inherited" is not allowed in records and (in mode Delphi) record helpers

git-svn-id: branches/svenbarth/classhelpers@17239 -
2011-04-03 14:03:17 +00:00
florian
736071e716 * updated copyright to 2011
* corrected copyright notice in message files and added "and others"

git-svn-id: trunk@17232 -
2011-04-02 20:06:46 +00:00
florian
f328b6d635 + user section type
+ parsing of section directive for variables
  + section test
  + write section names in the assembler/binary writers correctly
  * allow section only after ; and for embedded targets

git-svn-id: branches/usersections@17154 -
2011-03-20 15:42:28 +00:00
svenbarth
f7f357f18e * symconst.pas:
- remove thelpersearch again => adjustments to searchsym_in_class and calls to it
- rename sto_has_classhelper to sto_has_helper
* symbase.pas: make push and pop in tsymtablestack virtual
* symdef.pas:
- add a new class tdefawaresymtablestack which overrides push and pop of tsymtablestack and adjusts the new extendeddefs field of the current tmodule
- tobjectdef.create: sto_has_classhelper => sto_has_helper
* fmodule.pas:
- add new hash object list to tmodule (key: mangled type name) which holds object list instances that contain all helpers currently active for a given type (= key of the hash list)
- tmodule.create: the hash list owns the sublists (but those don't own the defs)
- tmodule.destroy: free the hash list
* pdecobjpas:
- rename parse_extended_class to parse_extended_type
- parsing of constructors:
# for all helper types: no class constructors allowed
# for record helpers: as long as constructors for records themselves are disabled they are for record helpers as well
- object_dec: manually add the helper to the extendeddefs if the overall owner of the current def is a static symtable (implementation section or program/library main file), because the symtable won't be popped and pushed then
* parser.pas: instantiate the new stack class
* psub.pas: backup the extendeddefs in specialize_objectdefs as well
* ptype.pas:
- generate_specialization: backup the extendeddefs as well
- record_dec: _RECORD is now consumed in read_named_type itself
- read_named_type: parse "record helper" if advanced record syntax is enabled
* symtable.pas:
- correct searchsym_in_class declaration => adjustments in this unit as well
- add the possibility to pass a context def to search_last_objectpascal_helper
- rename search_objectpascal_class_helper to search_objectpascal_helper
- rename search_class_helper to search_objc_helper
- searchsym_in_class: 
# search for helpers in every level of the tree of the class
# the contextclassh can also be a subclass of the extendeddef
- searchsym_in_record: search for helper methods as well
- searchsym_in_helper:
# search for symbols in class and record helpers is the same except for the search in the class' ancestors
# search the extendeddef directly and rely on searchsym_in_class only for the class' ancestors as we need to find the helpers there as well
- search_last_objectpascal_helper: use the extendeddefs list of current_module instead of scanning the symbol stack itself
* pexpr.pas: adjustments because of renaming of sto_has_classhelper
* pinline.pas: adjustment because of removing of thelpersearch
* nflw.pas: 
- renamed classhelper to helperdef
- adjusted search_last_objectpascal_helper call
* msg*:
- adjusted error message for constructors in records (this currently applies to record helpers as well)
- renamed parser_e_not_allowed_in_classhelper to parser_e_not_allowed_in_helper => adjustments in code
- added parser_e_no_class_constructors_in_helpers
* pdecsub.pas: adjusted renamed error message
* htypechk.pas: check for helpers in every step of the hierarchy
* nobj.pas: search_class_helper => search_objc_helper
* utils/ppudump.pas: adjust, because of renames

Note: the define "useoldsearch" will be only used for performance comparison on my (faster) Linux machine; that (and its associated code) will be removed afterwards

git-svn-id: branches/svenbarth/classhelpers@17151 -
2011-03-20 11:27:27 +00:00
svenbarth
80e6498921 Rebase to revision 17096
git-svn-id: branches/svenbarth/classhelpers@17099 -
2011-03-09 16:29:47 +00:00
florian
f8b01f76a4 * update of german message files by Karl-Michael Schindler, resolves #18815
git-svn-id: trunk@16995 -
2011-02-24 12:48:40 +00:00
svenbarth
963a4d7b23 Commit of a completely restructured helper implementation. Instead of changing objectdefs with odt_classhelper to odt_class, they'll have the odt_helper type assigned to and this will be kept. This also implies that the parent of a helper is its true parent while the extended type is set to a field in tobjectdef (extendeddef).
This change became necessary of the following reasons:
- Records don't support inheritance, thus for "record helpers" some creativity would have been necessary to implement them; with the new implementation this is more easily
- the new approach allows for easy checks regarding virtual methods and their overrides which would have been more complicated in the old variant
- if someone feels the need the types of helpers (object, interface) can be added rather easily
- unnecessary things like VMT generation can be disabled now

details:
- msg*: 
* moved some messages from parser to type
* adjusted a message ("class helper" => "helper")
- symdef.pas:
* renamed "helperparent" to "extendeddef" and changed its type from "tobjectdef" to "tabstractrecorddef", so records can be extended as well (somewhen in the near future)
* removed "finish_class_helper" method as it isn't necessary (luckily I haven't yet adjusted the ObjC variant)
* changed name of "is_objectpascal_classhelper" to "is_objectpascal_helper" to reflect that this function applies to all helper types
* tobjectdef.create: ImplementedInterfaces isn't created for odt_helper anymore
* tobjectdef.alignment: for helpers it's the same as for classes although this shouldn't be used anywhere...
* tobjectdef.vmtmethodoffset: set to 0 for helpers to be sure...
* tobjectdef.needs_inittable: not needed for helpers (no fields allowed)
* is_objectpascal_helper: only needs check for "odt_helper" object type
- symconst.pas:
* changed odt_classhelper to more general odt_helper
* added new type "thelpertype" which is used to check that "(record|class) helper" corresponds with the given extended type (as Delphi XE checks this as well this strict solution can be kept for modes Delphi and ObjFPC)
- symtable.pas:
* extended "searchsym_in_class" with the possibility to disable the search for helper methods (needed for inherited) => this implies changing all occurences of "searchsym_in_class" with a "true" except some special locations
* renamed "search_objectpascal_classhelper" to "search_objectpascal_helper"
* searchsym_in_class: 
** when an extended method is defined with "overload" it can be that a same named method of the extended class might be called (sadly this means that this search was unnecessary...)
** contextclassh is the def of the helper in the case of an inherited call inside the helper's implementation
** when methods inside a helper are searched, it must be searched in the extended type first
- ptype.pas:
* single_type is used to parse the parent of a helper as well, so allow a helper if the stoParseClassParent is given (needs check in pdecobj.pas/parse_class_parents for normal classes)
* read_named_type: currently the only case when something <> ht_none is passed to the modified parse_objdec (see below) is when the combination "class helper" is encountered ("record helper" will be another one)
- pinline.pas: adjustment for extended "searchsym_in_class"
- pexpr.pas:
* adjustments regarding "searchsym_in_class" and "is_objectpascal_helper"
* factor/factor_read_id: moved the check for "TSomeClassType.SomeMethod" outside of the "is_class" check
* factor: 
** in case of an inherited we need to search inside the extended type first (Note: this needs to be extended to find methods in the helper parent if no method is found in the extended type)
** we also need to disable the search for helper methods when searching for an inherited method (Note: it might be better to introduce a enum to decide whether a helper method should search before or after the methods of the extended type or even never)
- pdecsub.pas:
* insert_self_and_vmt_para: in a helper the type of Self is of the extended type
* pd_abstract, pd_final: more nice error message
* pd_override, pd_message, pd_reintroduce: adjusted checks because now "is_class" is no longer true for helpers
* proc_direcdata: allowed "abstract" for helpers (only to produce a more nice error message)
* parse_proc_direc: adjustment because of "is_objectpascal_helper"
- pdecobj.pas:
* adjustments regarding "is_objectpascal_helper"
* adjusted object_dec to take the type of the helper (class, record) as a parameter to be able to check whether the correct extended type was given
* struct_property_dec: properties are allowed in helpers
* parse_object_options: nothing to be parsed for helpers (at least I hope so ^^)
* parse_parent_classes: 
** the parent of a helper is now parsed as a normal parent, the extended type is parsed in an extra procedure
** check for "sealed" no longer needed
** added check that the parsed parent of a helper is indeed a helper
** allow to parse the closing ")" of the helper's parent
* parse_extended_class:
** new procedure that parses the type which is extended
** it checks that the extended type is a class for "class helper" and a record for "record helper"
** it checks that a helper extends the same class or a subclass for class helpers
** it checks that a helper extends the same record for record helpers
* parse_object_members:
** "type", "const", "var" is allowed in helpers
** don't exclude flags regarding virtual methods, they are needed for the checks in mode Delphi (this implies that VMT loading must be disabled for helpers)
* object_dec:
** don't change "odt_helper" to "odt_class", but still include the "oo_is_classhelper" flag
** allow the parsing of object options (there are none)
** parse the extended type for helpers
- pdecl.pas
* adjustment because of extension of object_dec
* types_dec: remove the call to finish_classhelper
- objcdef.pas
* objcaddencodedtype, objcdochecktype: add references to helpers as implicit pointers although that should not be used in any way...
- nld.pas
* tloadnode.pass_typecheck: self is a reference to the extended type
- nflw.pas
* create_for_in_loop: adjustment because of changed procedure and inheritance type
- ncgrtti.pas
* TRTTIWriter.write_rtti_data: disable for helpers for now (I need to check what Delphi does here)
- ncgld.pas
* tcgloadnode.pass_generate_code: virtual methods of helpers are treated as normal methods
- ncgcal.pas
* tcgcallnode.pass_generate_code: virtual methods of helpers are treated as normal methods
- ncal.pas
* tcallnode.pass_typecheck: adjust for extension of tcallcandidates constructor
- htypechk.pas
* tcallcandidates declaration: extend some methods to (dis)allow the search for helper methods (needed for inherited)
* tcallcandidates.collect_overloads_in_struct: 
** search first in helpers for methods and stop if none carries the "overload" flag
** move the addition of the procsyms to an extra nested procedure because it's used for helper methods and normal struct methods

git-svn-id: branches/svenbarth/classhelpers@16947 -
2011-02-20 11:41:55 +00:00
svenbarth
7cc7826343 - msg*: found a message to reuse
- pdecobj.pas: removed a check whether a class (helper) tries to inherit from a class helper, because now single_type handles this
- pexpr.pas: 
* prohibit type casts to class helpers (note: this might be needed for ObjC categories as well)
* class helper references may only be used when inheriting from them (needs to be checked for ObjC categories as well)
- ptype.pas:
* single_type: extend check against categories for class helpers
* read_named_type: extend check against categories for class helpers
- symbase.pas: add a method that adds symbol table flags recursivly to a stack of symtables (it stops updating the symtables once a symtable already has that flag or it's a global-/staticsymtable)
- symdef.pas: adjusted the constructor of tobjectdef to use the new method for adding flags 

git-svn-id: branches/svenbarth/classhelpers@16889 -
2011-02-07 18:59:09 +00:00
svenbarth
07eebff55c Rebase to revision 16827
adjusted nflw.pas to compile again

git-svn-id: branches/svenbarth/classhelpers@16831 -
2011-01-28 22:15:34 +00:00
svenbarth
d4be11cb42 Implement advanced class helper syntax which allows "inheritance" of class helpers. This is not the same as normal class inheritance as its only used to extend the scope to other class helpers (that pseudo heritage line) when searching for a symbol. The real parent is always the extended class.
- compiler/symdef.pas: add "helperparent" which contains the class helper the current class helper "inherits" from (its real parent is the extended class); it's saved to ppu as well
- compiler/ppu.pas: increase ppu version
- compiler/pdecobj.pas: 
* parse the "parent" of a class helper before parsing the extended class (the real parent)
* also disallow to inherit from class helpers for normal class (and to extend class helpers for class helpers)
* disallow the declarations of fields
* disallow the use of destructors
* don't parse abstract/sealed for class helpers
- compiler/ptyp.pas: _FOR is now parsed inside pdecobj.pas
- compiler/msg*: 
* extended some messages for class helpers
* added some class helper related messages (perhaps the one or other will vanish again...)

git-svn-id: branches/svenbarth/classhelpers@16792 -
2011-01-19 19:39:47 +00:00
marco
88fe11958b * one letter type fixed, reported by Vincent
git-svn-id: trunk@16783 -
2011-01-19 11:37:17 +00:00
marco
ee3004a350 * moved an \end{description} so that the user manual compiles again.
git-svn-id: trunk@16782 -
2011-01-19 10:59:49 +00:00
paul
0c9b40acb7 compiler: record operators
- allow operator also if return type match the structure type (before at least one parameter had to match)
  - search both operands symbol tables for a suitable assignment operator
  - test
based on patch of Blaise Thorn (issue #0018490)

git-svn-id: trunk@16762 -
2011-01-14 02:25:48 +00:00
paul
368c215070 compiler: always derive DispInterface from IDispatch, this solve a problem with assigning dispinterface to IUnknown or IDispatch variables
git-svn-id: trunk@16756 -
2011-01-13 04:43:49 +00:00
paul
bd64575add compiler: require generic name with type parameters for the method class prefix (like TGenericClass<T>.MethodName instead of TGenericClass.MethodName) in delphi mode
git-svn-id: trunk@16707 -
2011-01-05 04:35:56 +00:00
Jonas Maebe
3ca3276400 * changed syntax of external objcclasses (see wiki/FPC_PasCocoa). Another
change is that it is now also allowed to specify an external name for
    formal external class definitions, but if they are later mixed with
    regular class definitions the external names have to match.
   o because the "external" status of methods is now set while parsing the
     class rather than afterwards, some procdir compatibility checks had to
     be inlined because they only have to be performed for 
  * also adapted the syntax for external cppclasses in the same way
  * fixed return type of NSObject.retainCount and NSObject.hash
    (NSUInteger instead of cint)
  * moved "patches" directory from cocoaint/src to cocoaint/utils/cocoa-skel
    so they are used by the conversion script when re-parsing the headers
  * updated Objective-C header parser script to
   o use the new external class syntax
   o not write inheritance information for root classes (NSObject, NSProxy)
   o use internal translation tables for some conflicting method names that
    are named specially in objcbase.pp
   and updated parsed headers
  * fixed rtl/inc/objcbase.pp and tests to conform to the new external class
    syntax

git-svn-id: trunk@16684 -
2011-01-02 14:50:46 +00:00
paul
79813da090 compiler: don't allow record case with parameterized members
git-svn-id: trunk@16682 -
2011-01-02 14:01:09 +00:00
paul
101f545ad0 compiler: don't allow generic object types (interfaces,dispinterfaces,objclasses,...) to have type,var,const sections if regular object types don't have them. currently only objects, classes and records are allowed to have nested type,var,const sections.
git-svn-id: trunk@16669 -
2010-12-31 02:31:51 +00:00
paul
51a9d3280c compiler: require at least one argument of class operator to be of type of structure where this operator is declared
git-svn-id: trunk@16644 -
2010-12-27 02:33:17 +00:00
paul
3c6fde4acc compiler: rename parser_e_constructors_always_objects message to parser_e_only_methods_allowed and extended the meaning it has, don't allow class constructors to be declared outside the class/record + test
git-svn-id: trunk@16626 -
2010-12-24 06:41:41 +00:00
Jonas Maebe
ce93333bda * fixed end of LaTeX environment after r16574 (mantis #18286)
git-svn-id: trunk@16610 -
2010-12-22 09:29:03 +00:00
paul
d1026bb052 compiler: reintegrate branch http://svn.freepascal.org/svn/fpc/branches/paul/extended_records
------------------------------------------------------------------------
r16513 compiler: add support for visibility blocks in records and type, const declarations:
  - add parse_record_members function to parse record blocks based on parse_object_members code
  - disable published section in records
  - rename in_class argument in some functions to in_structure because the same code can work for records now which are not classes
------------------------------------------------------------------------
r16514 compiler: check visibility of record members, allow access to record consts and types:
  - add searchsym_in_record function
  - change is_visible_for_object to accept tabstractrecorddef instead of tobjectdef arguments because records also have visibility sections now
  - change arguments in do_member_read, do_proc_call to tabstractrecorddef from tobjectdef to accept records
  - rename classh arguments to structh and change their type to tabstractrecorddef to show that they can accept records now too
  - move RttiName from tobjectdef to tabstractrecorddef
------------------------------------------------------------------------
r16515 compiler: add current_structdef: tabstractrecorddef and point current_objectdef to it
------------------------------------------------------------------------
r16516 compiler: allow access other record symbols than fields, first extended records tests
------------------------------------------------------------------------
r16519 compiler: 
  - move objname, objrealname fields from tobjectdef to tabstractrecorddef, 
  - load and save them from/to ppu file, 
  - use tabstarctrecorddef in some more places where previously code worked for tobjectdef
  - change push_nested_hierarchy, pop_nested_hierarchy to handle records too
------------------------------------------------------------------------
r16526 compiler: implement record methods and class methods:
  - rename tprocdef._class to tprocdef.struct and change the type from tobjectdef to tabstractrecorddef because methods can belong not to classes only now but to records too
  - replace in many places use of current_objectdef to current_structdef with typcast where is needed
  - add an argument to comp_expr, expr, factor, sub_expr to notify that we are searching type only symbol to solve the problem with records,objects,classes which contains fields with the same name as previosly declared type (like:
  HWND = type Handle;
  rec = record 
    hWnd: HWND;
  end;)
  - disable check in factor_read_id which was made for object that only static fields can be accessed as TObjectType.FieldName outside the object because it makes SizeOf(TObjectType.FieldName) imposible and since the same method was extended to handle records it also breaks a52 package compilation
  - rename tcallcandidates.collect_overloads_in_class to tcallcandidates.collect_overloads_in_struct and addapt the code to handle overloads in records too
  - fix searchsym_type to search also in object ancestors if we found an object symtable
  - add pd_record, pd_notrecord flags to mark procedure modifies which can or can't be used with records. Disallow the next modifiers for records: abstract, dynamic, export, external, far, far16, final, forward, internconst, internproc, interrupt, message, near, override, public, reintroduce, virtual, weakexternal,
Allow the next modifiers for records: static
------------------------------------------------------------------------
r16530 compiler: fix compilation problems caused by tprocdef._class -> tprocdef.struct rename which was found by make fullcycle
------------------------------------------------------------------------
r16531 compiler: redo searchsym_type:
  - remove complex condition which was used previosly to decide whether objectsymtable or recordsymtable requires a search for type or not - they require a search because contains types (although not all object types)
  - don't search only for typesym but for other symbols too - for example UnitSym.TypeSym or ConstSym..ConstSym are also valid types. Skip the next symtypes during the search because they can't be used in type declaration: fieldvarsym, paravarsym, propertysym, procsym, labelsym
------------------------------------------------------------------------
r16541 compiler: move objectoptions to tabstractrecorddef because it will be needed for records too
------------------------------------------------------------------------
r16542 compiler: remove unneeded checks and typecasting caused by move of objectoptions into tabstractrecorddef
------------------------------------------------------------------------
r16543 compiler: move constructor, destructor parsers to interface section to allow future use by records + change current_objectdef to current_structdef for the same reason, make constructor return type = record for records
r16544 compiler: start parsing of record constructors and destructors:
  - disallow record destructor
  - raise internal error for constructor because it is not yet implemented
  - handle class constructors and destructors for records
  - move find_procdef_bytype to tabstractpointerdef
------------------------------------------------------------------------
r16545 compiler: fix static fields creation and access for records
+ extend test to check class constructor/destructor for records and static fields access
------------------------------------------------------------------------
r16546 tests: add a test which checks that records destructors are not allowed
------------------------------------------------------------------------
r16547 compiler: rename aclass->astruct in read_property_dec because records will have properties too
------------------------------------------------------------------------
r16548 compiler: implement properties in records:
  - rename property_dec from pdecobj to struct_property_dec because pdecl also has property_dec and move it to interface to use by records + allow properties for records
  - use struct_property_dec in record parser
  - change structh type from objectdef to abstractrecorddef in read_property_dec to use by records
  - disallow stored and default modifiers for records because records are not used for streaming
  - fix misuse of search_sym_in_class for records in few places
------------------------------------------------------------------------
r16550 compiler: disallow regular class methods in records and allow only static class methods. delphi do so and it is logical because records have no inheritance. + tests
------------------------------------------------------------------------
r16560 compiler: a trial to implement record constructor
  - map self to constructor result
  - don't push vmt for records

At the moment generated assembler has errors although node tree is correct
------------------------------------------------------------------------
r16561 compiler: 
  - add mode switch extendedrecords to allow/disallow extended records syntax, add this mode switch to delphi mode by default
  - disable/enable extended records parsing based on extendedreocrds mode switch
------------------------------------------------------------------------
r16562 compiler: fix record constructor return type when parsing procedure declaration
------------------------------------------------------------------------
r16568 compiler: partly revert r16560 and disable (at least temporary) constructors in records
------------------------------------------------------------------------
r16569 test: add records Self test
------------------------------------------------------------------------
r16570 compiler: generate debug info for record methods:
  - extended write_symtable_procdefs to handle record definitions
  - fix stabs info generator to use prefixed symbol names for record methods, also handle records static symbols the same way as for object types
  - fix dwarf info record generation: add visibility info and write methods, also prefix record members the same way as object members

git-svn-id: trunk@16574 -
2010-12-17 02:19:09 +00:00
paul
742b0bb686 compiler: partly revert r16560 and disable (at least temporary) constructors in records
git-svn-id: branches/paul/extended_records@16568 -
2010-12-16 03:37:16 +00:00
paul
582ab2dd32 compiler: disallow regular class methods in records and allow only static class methods. delphi do so and it is logical because records have no inheritance. + tests
git-svn-id: branches/paul/extended_records@16550 -
2010-12-11 10:21:09 +00:00
paul
7852295f26 compiler: start parsing of record constructors and destructors:
- disallow record destructor
  - raise internal error for constructor because it is not yet implemented
  - handle class constructors and destructors for records
  - move find_procdef_bytype to tabstractpointerdef

git-svn-id: branches/paul/extended_records@16544 -
2010-12-11 07:31:27 +00:00
Jonas Maebe
3a089cea10 * give an error when trying to let an objcclass conform to a
forward-declared objcprotocol (mantis #17341)

git-svn-id: trunk@16523 -
2010-12-08 22:17:24 +00:00
paul
8e36256bc9 compiler: add support for visibility blocks in records and type, const declarations:
- add parse_record_members function to parse record blocks based on parse_object_members code
  - disable published section in records
  - rename in_class argument in some functions to in_structure because the same code can work for records now which are not classes

git-svn-id: branches/paul/extended_records@16513 -
2010-12-07 07:40:34 +00:00
florian
675c3391d1 * makes compiler report nice error when one tries to use specialize for function result type, based on a patch by Aleksa Todorovic, part of #15875
git-svn-id: trunk@16438 -
2010-11-25 21:45:30 +00:00
florian
d30952b408 * patch by Aleksa Todorovic which adds the ability to reference current generic class. Each reference to current generic class is "translated" to appropriate specialization of that generic class. There are two tests as part of the patch to test that it works. The patch, also, rejects declaring generic inside another generic. 0010479 is easy to implement with this patch applied, resolves #11777
git-svn-id: trunk@16423 -
2010-11-24 21:57:41 +00:00
florian
1c5a3b6bf0 o patch by Graeme Geldenhuys
+ adds the missing DWARF3 values
  + introduces the DWARF4 values
  + basic class and debug info structures for DWARF4 support
  + added DWARF4 compiler parameter (-gw4) support
  + updated parameter description

git-svn-id: trunk@16288 -
2010-11-01 20:41:56 +00:00
florian
0a625c856d + don't allow non local gotos across procedures containing exception frames
git-svn-id: trunk@16268 -
2010-10-30 20:22:23 +00:00
mazen
b127fc154a * Fixed spell error revealed by lintian.
git-svn-id: trunk@16094 -
2010-10-06 20:33:57 +00:00
Jonas Maebe
ae1fb2bf74 + documented darwin, iphonesim, solaris and win64 options for -T
* removed "for <achitecture>" from all -T option help messages, because
    only targets supported on the current architecture are shown anyway

git-svn-id: trunk@16076 -
2010-10-03 11:24:23 +00:00
Jonas Maebe
1633341906 * treat methods added via an objccategory to an objcclass in exactly the
same way as regular methods as far as overriding is concerned ("override"
    is now allowed, and even required, to override them in a descendent class;
    and similarly, "reintroduce" must be used if a category wants to replace
    a method in a child class if that method was  added by another category in
    a parent class)
  * print the name of owning objcclass/category of the original method in case
    override/reintroduce is missing for objc methods, since this is no longer
    always the parent class

git-svn-id: trunk@16035 -
2010-09-22 21:26:58 +00:00
pierre
c03fa8e79d + Add warning if @GOTPCREL will not be honored
git-svn-id: trunk@15911 -
2010-08-26 15:51:36 +00:00
florian
0c9298a1be * update of German error message file by Karl-Michael Schindler, resolves #17256
git-svn-id: trunk@15904 -
2010-08-25 15:52:56 +00:00
florian
deef8dfa33 * better error message in case of self-referencing generics specialization, resolves #17181
git-svn-id: trunk@15850 -
2010-08-19 08:00:57 +00:00
Jonas Maebe
cc2f4138a3 * make it clear that the unit_u_source_modified is about source files that
are newer than the ones used to create the ppu file, rather than that
    the source file itself is necessarily newer than the ppu file (the
    time stamp of the ppu file is used to check whether the main source file
    has been changed, but for include files the time stamps are recorded in
    the ppu file)

git-svn-id: trunk@15843 -
2010-08-18 14:13:24 +00:00
florian
0085c22c59 - NaN floating point constants do not anymore cause an error when $Q or $R is active (resolves #16315 and #14757)
+ $ieeeerrors (command line switch -C3) to enable errors on NaN floating point constants
+ tests

git-svn-id: trunk@15765 -
2010-08-10 19:05:13 +00:00
florian
6f07880614 * updated copyright notice to 2010
git-svn-id: trunk@15724 -
2010-08-06 11:23:43 +00:00
florian
24fea58b92 + initial implementation of iso style gotos in iso mode
* made setjmp/longjmp accessible to the compiler by compiler proc, they are used by the iso goto code

git-svn-id: trunk@15711 -
2010-08-05 19:20:46 +00:00
Jonas Maebe
57bd6d2685 + merged nestedprocvars branch
+ support for nested procedural variables:
    o activate using {$modeswitch nestedprocvars} (compatible with all
      regular syntax modes, enabled by default for MacPas mode)
    o activating this mode switch changes the way the frame pointer is
      passed to nested routines into the same way that Delphi uses (always
      passed via the stack, and if necessary removed from the stack by
      the caller) -- Todo: possibly also allow using this parameter
      passing convention without enabling nested procvars, maybe even
      by default in Delphi mode, see mantis #9432
    o both global and nested routines can be passed to/assigned to a
      nested procvar (and called via them). Note that converting global
      *procvars* to nested procvars is intentionally not supported, so
      that this functionality can also be implemented via compile-time
      generated trampolines if necessary (e.g. for LLVM or CIL backends
      as long as they don't support the aforementioned parameter passing
      convention)
    o a nested procvar can both be declared using a Mac/ISO Pascal style
      "inline" type declaration as a parameter type, or as a stand-alone
      type (in the latter case, add "is nested" at the end in analogy to
      "of object" for method pointers -- note that using variables of
      such a type is dangerous, because if you call them once the enclosing
      stack frame no longer exists on the stack, the results are
      undefined; this is however allowed for Metaware Pascal compatibility)

git-svn-id: trunk@15694 -
2010-08-02 22:20:36 +00:00