data, and at the end of compilation merged if possible. Literals for unused
functions are removed together with the function.
git-svn-id: svn://svn.cc65.org/cc65/trunk@4501 b7a2c559-68d2-44c3-8de9-860c34a00d81
declaration now) and added a new attribute "unused" to flag unused parameters,
variables or functions that shouldn't be warned about.
git-svn-id: svn://svn.cc65.org/cc65/trunk@4373 b7a2c559-68d2-44c3-8de9-860c34a00d81
__attribute__((noexit)) that may be used to mark functions that won't return.
Added this attribute to the exit() function in stdlib.h.
git-svn-id: svn://svn.cc65.org/cc65/trunk@4372 b7a2c559-68d2-44c3-8de9-860c34a00d81
type. Started to add general handling of address size flags in types.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3891 b7a2c559-68d2-44c3-8de9-860c34a00d81
attached to an array (not the elementtype). Fix these problems by tranfering
the qualifiers to the elements.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3774 b7a2c559-68d2-44c3-8de9-860c34a00d81
elements to a string of structs, each representing one type element. This
should fix problems on unusual architectures, since it is no longer necessary
to embedd pointers and other data converted to numbers in the string of
unsigned shorts.
Increased the TypeCode length to unsigned long to make room for more type
bits.
Inline more functions in datatype.h.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3709 b7a2c559-68d2-44c3-8de9-860c34a00d81
says that passing an invalid number of parameters causes undefined behaviour,
so we don't need to handle that case.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3363 b7a2c559-68d2-44c3-8de9-860c34a00d81
predefined macro. Instead there is now a command line option --standard that
allows to set c89, c99 or cc65 as language standard. The compiler defines a
macro __CC65_STD__ that is one of __CC65_STD_C89__, __CC65_STD_C99__ or
__CC65_STD_CC65__ depending on the command line option. Default is cc65 (all
extensions) as before.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3133 b7a2c559-68d2-44c3-8de9-860c34a00d81
ExprDesc structure, not as separate value.
WARNING: The current code does compile but does not work correctly, because
the lvalue flag is part of ExprDesc.Flags and not masked out in several tests
throughout the code.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3046 b7a2c559-68d2-44c3-8de9-860c34a00d81
Use the address size for import, export and debug symbols (object code
change).
More changes to support the --memory-model switch and address sizes.
git-svn-id: svn://svn.cc65.org/cc65/trunk@2691 b7a2c559-68d2-44c3-8de9-860c34a00d81
strings that had the same length as the char array (in this case the zero
terminator must be omitted by the compiler).
git-svn-id: svn://svn.cc65.org/cc65/trunk@2230 b7a2c559-68d2-44c3-8de9-860c34a00d81
Changed/added several optimizer steps to detect register variables correctly
or to handle them in a special way.
git-svn-id: svn://svn.cc65.org/cc65/trunk@1636 b7a2c559-68d2-44c3-8de9-860c34a00d81
Fixed a problem with K&R functions: In a function with no return type
specified, the compiler did not allow a simple "return" statement. However,
there was no "void" type at that time, so it was not possible to specify
something else. The solution is to allow omission of a return value in a
K&R function with an implicit int type. Other types or an explicit int is
still checked.
git-svn-id: svn://svn.cc65.org/cc65/trunk@1302 b7a2c559-68d2-44c3-8de9-860c34a00d81
internal compiler errors in several places.
An old cc65 extension (variables of type void) was broken and did no longer
work. Fixed that.
git-svn-id: svn://svn.cc65.org/cc65/trunk@1184 b7a2c559-68d2-44c3-8de9-860c34a00d81
unused stores into these registers.
Because of this, the old code using regsave does no longer work. Started
to rewrite it.
git-svn-id: svn://svn.cc65.org/cc65/trunk@966 b7a2c559-68d2-44c3-8de9-860c34a00d81
supplied data structures. Re-added the -T option which is much more exact
now because of the better line info stuff.
Cleanups in the scanner (remove old #defines).
git-svn-id: svn://svn.cc65.org/cc65/trunk@740 b7a2c559-68d2-44c3-8de9-860c34a00d81
a typedef and the name of the parameter is omitted where parse as old style
(K&R) function declarations leading to errors.
git-svn-id: svn://svn.cc65.org/cc65/trunk@688 b7a2c559-68d2-44c3-8de9-860c34a00d81
* __fixargs__ is now an actual function symbol and no longer handled in the
scanner.
* Additional symbol __argsize__ that is a constant in normal functions and
a const local variable for variadic functions. Using this symbol, the
va_arg macro gets a lot simpler and smaller.
* Added special code to handle the fixed parameters of a variadic function.
The code has some overhead, but the va_fix macro is no longer needed (and
the compiler generated code is better than va_fix anyway).
git-svn-id: svn://svn.cc65.org/cc65/trunk@652 b7a2c559-68d2-44c3-8de9-860c34a00d81
optimization for C functions. The last parameter is not pushed onto the
stack by the caller but in the function entry code, so there is no speed
but a size gain.
git-svn-id: svn://svn.cc65.org/cc65/trunk@645 b7a2c559-68d2-44c3-8de9-860c34a00d81
were harder to manage, made the code harder to read, and lead no less
verbose messages, since it was effort to add a new message. The new approach
has the drawback that it's more difficult to translate, but this won't
happen anyway.
git-svn-id: svn://svn.cc65.org/cc65/trunk@428 b7a2c559-68d2-44c3-8de9-860c34a00d81
Check for and honour const in several places: Assignment to const is flagged
with an error. Const data is placed in the rodata segment.
git-svn-id: svn://svn.cc65.org/cc65/trunk@252 b7a2c559-68d2-44c3-8de9-860c34a00d81
Rewrote the include file management, keeping a list of all include files
and cleaning up the code while going.
git-svn-id: svn://svn.cc65.org/cc65/trunk@82 b7a2c559-68d2-44c3-8de9-860c34a00d81
Several renames for better readibility.
Removed separate struct and enum symbol tables in favour of one tag table.
Check for some more error conditions or dubious constructs.
git-svn-id: svn://svn.cc65.org/cc65/trunk@62 b7a2c559-68d2-44c3-8de9-860c34a00d81
