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[xonotic/gmqcc.git] / gmqcc.ini.example

# This is an example INI file that can be used to set compiler options
# without the rquirement for supplying them as arguments on the command
# line, this can be coupled with progs.src.  To utilize this file there
# are two options availble, if it's named "gmqcc.ini" or "gmqcc.cfg" and
# the file exists in the directory that GMQCC is invoked from, the compiler
# will implicitally find and execute regardless.  For more freedom you may
# use -config=<file> from the command line to specify a more explicit
# directory/name.ext for the configuration file.


# These are common compiler flags usually represented via the -f prefix
# from the command line.
[flags]
    # Enabling this can potentially reduces code size by overlapping
    # locals where possible.
    OVERLAP_LOCALS               = false

    # in some older versions of the Darkplaces engine the string table
    # size is computed wrong causing compiled progs.dat to fail to load
    # Enabling this works around the bug by writing a few additional
    # null bytes to the end of the string table to compensate.
    DARKPLACES_STRING_TABLE_BUG  = false

    # Enabling this corrects the assignment of vector field pointers via
    # subsituting STORE_FLD with STORE_V.
    ADJUST_VECTOR_FIELDS         = true

    # Enabling this allows the use of the FTEQ preprocessor, as well as
    # additional preprocessing directives such as #error and #warning.
    FTEPP                        = true

    # Enabling this relaxes switch statement semantics
    RELAXED_SWITCH               = false

    # Enabling this allows short-circut evaluation and logic, opposed
    # to full evaluation.
    SHORT_LOGIC                  = false

    # Enabling this allows perl-like evaluation/logic.
    PERL_LOGIC                   = true

    # Enabling this allows the use of the "translatable strings" extension
    # assisted by .po files.
    TRANSLATABLE_STRINGS         = false

    # Enabling this prevents initializations from becoming constant unless
    # 'const' is specified as a type qualifier.
    INITIALIZED_NONCONSTANTS     = false

    # Enabling this allows function types to be assignable even if their
    # signatures are invariant of each other.
    ASSIGN_FUNCTION_TYPES        = false

    # Enabling this will allow the generation of .lno files for engine
    # virtual machine backtraces (this is enabled with -g as well).
    LNO                          = false

    # Enabling this corrects ternary percedence bugs present in fteqcc.
    CORRECT_TERNARY              = true

    # Prevent the creation of _x, _y and _z progdefs for vectors
    SINGLE_VECTOR_DEFS           = false

    # Cast vectors to real booleans when used in logic expressions.
    # This is achieved by using NOT_V.
    CORRECT_LOGIC                = false

    # Always treat empty strings as true. Usuall !"" yields true, because
    # the string-NOT instruction considers empty strings to be false, while
    # an empty string as condition for 'if' will be considered true, since
    # only the numerical value of the global is looked at.
    TRUE_EMPTY_STRINGS           = false

    # Opposite of the above, empty strings are always false. Similar to
    # CORRECT_LOGIC this will always use NOT_S to cast a string to a real
    # boolean value.
    FALSE_EMPTY_STRINGS          = false

    # Recognize utf-8 characters in character constants, and encode
    # codepoint escape sequences in strings as utf-8. This essentially allows
    # \{1234} escape sequences to be higher than 255.
    UTF8

    # When a warning is printed and it is set to be treated as error via
    # a -Werror switch, compilation will be stopped, unless this is false.
    # When this is false, the rest of the code will be compiled, and at the end
    # the file and line of the first warning will be shown.
    BAIL_ON_WERROR               = true

    # Allow loops and switches to be labeled and break and continue to take an
    # optional label to target a specific loop/switch.
    LOOP_LABELS                  = false

    # Enable the 'nil' null constant, which has no type. It can be used as the
    # right hand of any assignment regardless of the required type.
    UNTYPED_NIL                  = false

    # Be "permissive". For instance, when -funtyped-nil is used, this allows local
    # variables with the name 'nil' to be declared.
    PREMISSIVE                   = false

    # Enable enhanced diagnostic messages. i.e provides a "did you mean"
    # <ident> when you accidently typo. Amongst others
    ENHANCED_DIAGNOSTICS         = true

# These are all the warnings, usually present via the -W prefix from
# the command line.
[warnings]
    # ?? Used for debugging ??
    DEBUG                        = false

    # Enables warnings about unused variables.
    UNUSED_VARIABLE              = true

    # Enables warnings about uninitialized variables.
    USED_UNINITIALIZED           = true

    # Enables warnings about the unknown control sequences in the source
    # stream.
    UNKNOWN_CONTROL_SEQUENCE     = true

    # Enables warnings about the use of (an) extension(s).
    EXTENSIONS                   = true

    # Enables warnings about redeclared fields.
    FIELD_REDECLARED             = true

    # Enables warnings about missing return values.
    MISSING_RETURN_VALUES        = true

    # Enables warnings about missing parameters for function calls.
    INVALID_PARAMETER_COUNT      = true

    # Enables warnings about locals shadowing parameters or other locals.
    LOCAL_SHADOWS                = true

    # Enables warnings about constants specified as locals.
    LOCAL_CONSTANTS              = true

    # Enables warnings about variables declared as type void.
    VOID_VARIABLES               = true

    # Enables warnings about implicitally declared function pointers.
    IMPLICIT_FUNCTION_POINTER    = true

    # Enables warnings for use of varadics for non-builtin functions.
    VARIADIC_FUNCTION            = true

    # Enables warnings about duplicated frame macros.
    FRAME_MACROS                 = true

    # Enables warnings about effectivless statements.
    EFFECTLESS_STATEMENT         = true

    # Enables warnings of "end_sys_fields" beiing declared a field.
    END_SYS_FIELDS               = true

    # Enables warnings for infompatible function pointer signatures used
    # in assignment.
    ASSIGN_FUNCTION_TYPES        = true

    # Enables warnings about redefined macros in the preprocessor
    PREPROCESSOR                 = true

    # Enables warnings about multi-file if statements
    MULTIFILE_IF                 = true

    # Enables warnings about double declarations
    DOUBLE_DECLARATION           = true

    # Enables warnings about type qualifiers containing both 'var' and
    # 'const'
    CONST_VAR                    = true

    # Enables warnings about the use of multibytes characters / constants
    MULTIBYTE_CHARACTER          = true

    # Enables warnings about ternary expressions whos precedence may be
    # not what was initially expected.
    TERNARY_PRECEDENCE           = true

    # Enables warnings about unknown pragmas.
    UNKNOWN_PRAGMAS              = true

    # Enables warnings about unreachable code.
    UNREACHABLE_CODE             = true

    # Enables preprocessor "#warnings"
    CPP                          = true

    # With the [[attribute]] syntax enabled, warn when an unknown
    # attribute is encountered. Its first token will be included in the
    # message.
    UNKNOWN_ATTRIBUTE            = true

    # Warn when declaring variables or fields with a reserved name like 'nil'
    RESERVED_NAMES               = true

    # Warn about 'const'-qualified global variables with no initializing value.
    UNINITIALIZED_CONSTANT       = true

    # Warn about non-constant global variables with no initializing value.
    UNINITIALIZED_GLOBAL         = true

    # Redeclaring a 'const' as 'var' or the other way round.
    DIFFERENT_QUALIFIERS         = true

    # Redeclaring a function with different attributes such as
    # [[noreturn]]
    DIFFERENT_ATTRIBUTES         = true

    # Warn when a function is marked with the attribute
    # "[[deprecated]]". This flag enables a warning on calls to functions
    # marked as such.
    DEPRECATED                   = true

    # Warn about possible problems from missing parenthesis, like an
    # assignment used as truth value without additional parens around.
    PARENTHESIS                  = true

# Finally these are all the optimizations, usually present via the -O
# prefix from the command line.
[optimizations]
    # Enables peephole optimizations.
    PEEPHOLE                     = true

    # Enables localtemp omission optimizations.
    LOCALTEMPS                   = true

    # Enables tail recrusion optimizationd.
    TAIL_RECURSION               = true

    # Enables tail-call optimizations. (Not implemented)
    TAIL_CALLS                   = true

    # Every function where it is safe to do so will share its local data section
    # with the others. The criteria are currently that the function must not have
    # any possibly uninitialized locals, or local arrays regardless of how they
    # are initialized.
    OVERLAP_LOCALS               = false

    # Strip out the names of constants to save some space in the progs.dat
    STRIP_CONSTANT_NAMES         = true

    # Aggressivly reuse strings in the string-section
    OVERLAP_STRINGS              = true

    # Have expressions which are used as function parameters evaluate directly
    # into the parameter-globals if possible.
    # This avoids a whole lot of copying.
    CALL_STORES                  = true

    # Do not create a RETURN instruction at the end functions of return-type void.
    VOID_RETURN                  = true

    # Turn extraction-multiplications such as (a_vector * '0 1 0')
    # into direct component accesses
    VECTOR_COMPONENTS            = true