are being processed, and which compilation mode is being used, and
some others. Warnings and errors will of course still be displayed.
.TP
+.B "-E"
+Run only the preprocessor as if -fftepp was used and print the
+preprocessed code to stdout.
+.TP
.BI -W warning "\fR, " "" -Wno- warning
Enable or disable a warning.
.TP
.fi
.in
.TP
+.B "--add-info"
+Adds compiler information to the generated binary file. Currently
+this includes the following globals:
+.RS
+.IP "reserved:version"
+String containing the compiler version as printed by the --version
+parameter.
+.RE
+.TP
+.BR "--correct" ", " "--no-correct"
+When enabled, errors about undefined values try to suggest an existing
+value via spell checking.
+.TP
.B "-dump"
DEBUG OPTION. Print the code's intermediate representation before the
optimization and finalization passes to stdout before generating the
.fi
.in
Note that fteqcc also defines __NULL__ which is not implemented yet.
+(See -funtyped-nil about gmqcc's alternative to __NULL__).
.TP
.B -frelaxed-switch
Allow switch cases to use non constant variables.
anything. No typechecking will be performed on assignments. Assigning
to it is forbidden, using it in any other kind of expression is also
not allowed.
+.sp
+Note that this is different from fteqcc's __NULL__: In fteqcc,
+__NULL__ maps to the integer written as '0i'. It's can be assigned to
+function pointers and integers, but it'll error about invalid
+instructions when assigning it to floats without enabling the FTE
+instruction set. There's also a bug which allows it to be assigned to
+vectors, for which the source will be the global at offset 0, meaning
+the vector's y and z components will contain the OFS_RETURN x and y
+components.
+.sp
+In that gmqcc the nil global is an actual global filled with zeroes,
+and can be assigned to anything including fields, vectors or function
+pointers, and they end up becoming zeroed.
.TP
.B -fpermissive
Various effects, usually to weaken some conditions.
.IP "with -funtyped-nil"
Allow local variables named 'nil'. (This will not allow declaring a
global of that name.)
+.RE
+.TP
+.B -fvariadic-args
+Allow variadic parameters to be accessed by QC code. This can be
+achieved via the '...' function, which takes a parameter index and a
+typename.
+
+Example:
+.sp
+.in +4
+.nf
+void vafunc(string...count) {
+ float i;
+ for (i = 0; i < count; ++i)
+ print(...(i, string), "\\n");
+}
+.fi
+.in
+.TP
+.B -flegacy-vector-maths
+Most Quake VMs, including the one from FTEQW or up till recently
+Darkplaces, do not cope well with vector instructions with overlapping
+input and output. This option will avoid producing such code.
.SH OPTIMIZATIONS
.TP
.B -Opeephole