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Added emulation for old return array; etc behaviour.

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4951 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2015-07-28 03:13:00 +00:00
parent 2b77e1ad3b
commit 450bbcb50f
3 changed files with 11 additions and 1 deletions
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1
engine/qclib/qcc.h
View file

@ -586,6 +586,7 @@ extern pbool flag_debugmacros;
extern pbool flag_filetimes;
extern pbool flag_typeexplicit;
extern pbool flag_noboundchecks;
extern pbool flag_brokenarrays;
extern pbool flag_guiannotate;
extern pbool opt_overlaptemps;

10
engine/qclib/qcc_pr_comp.c
View file

@ -103,6 +103,7 @@ pbool flag_filetimes;
pbool flag_typeexplicit; //no implicit type conversions, you must do the casts yourself.
pbool flag_noboundchecks; //Disable generation of bound check instructions.
pbool flag_guiannotate;
pbool flag_brokenarrays; //return array; returns array[0] instead of &array;
pbool opt_overlaptemps; //reduce numpr_globals by reuse of temps. When they are not needed they are freed for reuse. The way this is implemented is better than frikqcc's. (This is the single most important optimisation)
pbool opt_assignments; //STORE_F isn't used if an operation wrote to a temp.
@ -3906,7 +3907,12 @@ QCC_ref_t *QCC_PR_GenerateAddressOf(QCC_ref_t *retbuf, QCC_ref_t *operand)
if (operand->type == REF_ARRAYHEAD || operand->type == REF_GLOBAL || operand->type == REF_ARRAY)
{
if (!QCC_OPCodeValid(&pr_opcodes[OP_GLOBALADDRESS]))
QCC_PR_ParseError (ERR_BADEXTENSION, "Address-of operator is not supported in this form without extensions. Consider the use of: #pragma target fte");
{
if (operand->type == REF_ARRAYHEAD)
QCC_PR_ParseError (ERR_BADEXTENSION, "Address-of operator is not supported in this form without extensions. Consider the use of either '#pragma target fte' or '#pragma flag enable brokenarray'");
else
QCC_PR_ParseError (ERR_BADEXTENSION, "Address-of operator is not supported in this form without extensions. Consider the use of: #pragma target fte");
}
//&foo (or &((&foo)[5]), which is basically an array). the result is a temp and thus cannot be assigned to (but should be possible to dereference further).
return QCC_PR_BuildRef(retbuf,
@ -6666,6 +6672,8 @@ QCC_ref_t *QCC_PR_ParseRefValue (QCC_ref_t *refbuf, QCC_type_t *assumeclass, pbo
QCC_DefToRef(refbuf, d);
refbuf->type = REF_ARRAYHEAD;
r = QCC_PR_ParseRefArrayPointer(refbuf, refbuf, allowarrayassign, makearraypointers);
if (r->type == REF_ARRAYHEAD && flag_brokenarrays)
r->type = REF_GLOBAL;
/*if (r->type == REF_ARRAYHEAD)
{
r->type = REF_GLOBAL;

1
engine/qclib/qccmain.c
View file

@ -329,6 +329,7 @@ compiler_flag_t compiler_flag[] = {
{&flag_iffloat, FLAG_MIDCOMPILE,"iffloat","if(-0.0) fix","Fixes certain floating point logic."},
{&flag_ifvector, FLAG_MIDCOMPILE|FLAG_ASDEFAULT,"ifvector","if('0 1 0') fix","Fixes conditional vector logic."},
{&flag_vectorlogic, FLAG_MIDCOMPILE|FLAG_ASDEFAULT,"vectorlogic","v&&v||v fix", "Fixes conditional vector logic."},
{&flag_brokenarrays, FLAG_MIDCOMPILE,"brokenarray", "array[0] omission", "Treat references to arrays as references to the first index of said array, to replicate an old fteqcc bug."},
{&flag_acc, 0, "acc", "Reacc support", "Reacc is a pascall like compiler. It was released before the Quake source was released. This flag has a few effects. It sorts all qc files in the current directory into alphabetical order to compile them. It also allows Reacc global/field distinctions, as well as allows ¦ as EOF. Whilst case insensitivity and lax type checking are supported by reacc, they are seperate compiler flags in fteqcc."}, //reacc like behaviour of src files.
{&flag_caseinsensitive, 0, "caseinsens", "Case insensitivity", "Causes fteqcc to become case insensitive whilst compiling names. It's generally not advised to use this as it compiles a little more slowly and provides little benefit. However, it is required for full reacc support."}, //symbols will be matched to an insensitive case if the specified case doesn't exist. This should b usable for any mod
{&flag_laxcasts, FLAG_MIDCOMPILE,"lax", "Lax type checks", "Disables many errors (generating warnings instead) when function calls or operations refer to two normally incompatible types. This is required for reacc support, and can also allow certain (evil) mods to compile that were originally written for frikqcc."}, //Allow lax casting. This'll produce loadsa warnings of course. But allows compilation of certain dodgy code.