A TempleOS distro for heretics
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1178 lines
32 KiB

#define PE_UNARY_TERM1 0
#define PE_UNARY_TERM2 1
#define PE_MAYBE_MODIFIERS 2
#define PE_UNARY_MODIFIERS 3
#define PE_DEREFERENCE 4
#define PE_CHECK_BINARY_OPS1 5
#define PE_CHECK_BINARY_OPS2 6
#define PE_DO_UNARY_OP 7
#define PE_DO_BINARY_OP 8
#define PE_POP_HIGHER 9
#define PE_PUSH_LOWER 10
#define PE_POP_ALL1 11
#define PE_POP_ALL2 12
CIntermediateCode *PrsAddOp(CCmpCtrl *cc,I64 stk_op,CHashClass *tmpc)
{
CIntermediateCode *tmpi=cc->coc.coc_head.last;
Bool div_sizeof=FALSE;
switch (stk_op.u16[0]) {
case IC_ADD:
if (tmpc->ptr_stars_cnt && !tmpi->ic_class->ptr_stars_cnt &&
tmpi->ic_class->raw_type!=RT_F64) {
ICAdd(cc,IC_SIZEOF,1,cmp.internal_types[RT_I64]);
ICAdd(cc,IC_MUL,0,cmp.internal_types[RT_I64]);
}
break;
case IC_SUB:
if (tmpc->ptr_stars_cnt && tmpi->ic_class->raw_type!=RT_F64) {
if (!tmpi->ic_class->ptr_stars_cnt) {
ICAdd(cc,IC_SIZEOF,1,cmp.internal_types[RT_I64]);
ICAdd(cc,IC_MUL,0,cmp.internal_types[RT_I64]);
} else
div_sizeof=TRUE;
}
break;
case IC_AND_AND:
case IC_OR_OR:
ICAdd(cc,IC_NOP1,0,cmp.internal_types[RT_I64]);
break;
case IC_ADD_EQU:
case IC_SUB_EQU:
if (tmpc->ptr_stars_cnt) {
ICAdd(cc,IC_SIZEOF,1,cmp.internal_types[RT_I64]);
ICAdd(cc,IC_MUL,0,cmp.internal_types[RT_I64]);
}
break;
}
tmpi=ICAdd(cc,stk_op,0,tmpc);
if (stk_op.u8[3]&ECF_HAS_PUSH_CMP) {
tmpi->ic_flags|=ICF_POP_CMP;
ICAdd(cc,IC_NOP1,0,cmp.internal_types[RT_I64]);
ICAdd(cc,IC_AND_AND,0,cmp.internal_types[RT_I64],ICF_POP_CMP);
}
if (div_sizeof) {
tmpc--;
if (tmpc->size!=1) {
ICAdd(cc,IC_IMM_I64,tmpc->size,cmp.internal_types[RT_I64]);
ICAdd(cc,IC_DIV,0,cmp.internal_types[RT_I64]);
tmpc=cmp.internal_types[RT_I64];
}
}
return tmpi;
}
U0 PrsExpression2(CCmpCtrl *cc,I64 *_max_prec,CPrsStk *ps)
{
I64 i,cur_op,stk_op,state,max_prec=PREC_NULL,unary_pre_prec,paren_prec,
unary_post_prec,left_prec=PREC_MAX;
CIntermediateCode *tmpi;
CHashClass *tmpc;
CMemberLst *local_var;
CArrayDim *tmpad=NULL;
goto pe_unary_term1;
while (TRUE) {
switch [state] {
case PE_UNARY_TERM1:
pe_unary_term1:
unary_pre_prec=PREC_NULL;
unary_post_prec=PREC_NULL;
cc->flags&=~(CCF_PAREN+CCF_PREINC+CCF_PREDEC+CCF_POSTINC+
CCF_POSTDEC+CCF_FUN_EXP);
case PE_UNARY_TERM2:
state=PrsUnaryTerm(cc,ps,&local_var,&tmpad,
&max_prec,&unary_pre_prec,&paren_prec);
break;
case PE_UNARY_MODIFIERS:
state=PrsUnaryModifier(cc,ps,&local_var,&tmpad,&unary_post_prec);
break;
case PE_MAYBE_MODIFIERS:
if (cc->token=='(') { //Typecast or fun_ptr
cc->flags|=CCF_RAX;
state=PrsUnaryModifier(cc,ps,&local_var,&tmpad,&unary_post_prec);
} else
goto pe_check_binary_ops1;
break;
case PE_DEREFERENCE:
if (!(cc->flags&(CCF_PREINC|CCF_PREDEC|CCF_POSTINC|CCF_POSTDEC)))
i=IC_DEREF+PREC_UNARY_PRE<<16;
else {
if (cc->flags & CCF_POSTINC)
i=IC__PP+PREC_UNARY_POST<<16;
else if (cc->flags & CCF_POSTDEC)
i=IC__MM+PREC_UNARY_POST<<16;
else if (cc->flags & CCF_PREDEC)
i=IC_MM_+PREC_UNARY_PRE<<16;
else
i=IC_PP_+PREC_UNARY_PRE<<16;
cc->flags&=~(CCF_PREINC|CCF_PREDEC|CCF_POSTINC|CCF_POSTDEC);
}
tmpi=cc->coc.coc_head.last;
if (cc->flags & (CCF_RAX|CCF_ARRAY)) {
if (tmpi->ic_code==IC_DEREF)
tmpi->ic_code=i;
} else {
tmpc=OptClassFwd(tmpi->ic_class-1);
ICAdd(cc,i,0,tmpc);
}
case PE_CHECK_BINARY_OPS1:
pe_check_binary_ops1:
if (paren_prec) {
if (unary_pre_prec || unary_post_prec) {
if (paren_prec<=unary_pre_prec && !unary_post_prec)
ParenWarning(cc);
paren_prec=PREC_NULL;
} else if (paren_prec<=PREC_UNARY_PRE+ASSOC_MASK)
ParenWarning(cc);
}
cur_op=cmp.binary_ops[cc->token];
case PE_CHECK_BINARY_OPS2:
pe_check_binary_ops2:
stk_op=PrsPop(ps);
tmpc=PrsPop(ps);
if (!(0<stk_op.u8[2]<=PREC_UNARY_PRE+ASSOC_MASK))
goto pe_do_binary_op;
case PE_DO_UNARY_OP:
if (cur_op.u16[0]==IC_POWER &&
stk_op.u16[0]==IC_UNARY_MINUS) {
Lex(cc); //skip ` op
left_prec=cur_op.i8[2];
PrsPush(ps,tmpc);
PrsPush(ps,stk_op);
PrsPush(ps,cc->coc.coc_head.last->ic_class);
PrsPush(ps,cur_op);
goto pe_unary_term1;
} else {
tmpi=cc->coc.coc_head.last;
tmpc=tmpi->ic_class;
if (stk_op.u16[0]==IC_DEREF && tmpc->ptr_stars_cnt)
tmpc--;
else if (stk_op.u16[0]==IC_ADDR) {
cc->abs_cnts.c_addres++;
if (intermediate_code_table[tmpi->ic_code].type==IST_DEREF)
OptFree(tmpi);
tmpc++;
}
tmpc=OptClassFwd(tmpc);
if (stk_op)
ICAdd(cc,stk_op,0,tmpc);
goto pe_check_binary_ops2;
}
case PE_DO_BINARY_OP:
pe_do_binary_op:
PrsPush(ps,tmpc);
PrsPush(ps,stk_op);
if (!cur_op)
goto pe_pop_all1;
switch (cur_op.u16[0]) {
case IC_ADD:
case IC_SUB:
tmpi=cc->coc.coc_head.last;
if (!tmpi->ic_class->ptr_stars_cnt &&
tmpi->ic_class->raw_type!=RT_F64) {
ICAdd(cc,IC_SIZEOF,1,cmp.internal_types[RT_I64]);
ICAdd(cc,IC_MUL,0,cmp.internal_types[RT_I64]);
}
break;
case IC_AND_AND:
case IC_OR_OR:
ICAdd(cc,IC_NOP1,0,cmp.internal_types[RT_I64]);
break;
}
if (cc->flags & CCF_FUN_EXP) {
ps->ptr2--;
cc->flags&=~CCF_FUN_EXP;
}
Lex(cc); //skip op
if (paren_prec>PREC_UNARY_PRE+ASSOC_MASK &&
paren_prec&~ASSOC_MASK<left_prec&~ASSOC_MASK+
paren_prec&ASSOCF_RIGHT &&
paren_prec&~ASSOC_MASK<cur_op.u8[2]&~ASSOC_MASK+
!(paren_prec&ASSOCF_RIGHT))
ParenWarning(cc);
if (cur_op.u8[2]>max_prec)
max_prec=cur_op.u8[2];
left_prec=cur_op.u8[2];
if (intermediate_code_table[cur_op.u16[0]].type==IST_ASSIGN) {
tmpi=cc->coc.coc_head.last;
tmpc=OptClassFwd(tmpi->ic_class);
if (intermediate_code_table[tmpi->ic_code].type!=IST_DEREF ||
!tmpc->ptr_stars_cnt && !Bt(&tmpc->flags,Cf_INTERNAL_TYPE))
LexExcept(cc,"Invalid lval at ");
tmpi->ic_code=IC_NOP1; //Important for setting class (pretty sure)
cur_op.u8[2]=PREC_ASSIGN|ASSOCF_RIGHT;
}
case PE_POP_HIGHER:
pe_pop_higher:
stk_op=PrsPop(ps); //pop ops of higher prec
tmpc=PrsPop(ps);
if (!stk_op)
goto pe_push_lower;
else if (cur_op.u8[2]&~ASSOC_MASK==stk_op.u8[2]&~ASSOC_MASK) {
if (cur_op.u8[2]&ASSOCF_RIGHT)
goto pe_push_lower;
} else if (cur_op.u8[2]&~ASSOC_MASK<=stk_op.u8[2]&~ASSOC_MASK)
goto pe_push_lower;
tmpi=PrsAddOp(cc,stk_op,tmpc);
if (intermediate_code_table[cur_op.u16[0]].type==IST_CMP &&
intermediate_code_table[stk_op.u16[0]].type==IST_CMP) {
tmpi->ic_flags|=ICF_PUSH_CMP;
ICAdd(cc,IC_NOP1,0,cmp.internal_types[RT_I64]);
ICAdd(cc,IC_PUSH_CMP,0,tmpc);
cur_op.u8[3]|=ECF_HAS_PUSH_CMP;
} else if (cur_op.u16[0]==IC_AND_AND || cur_op.u16[0]==IC_OR_OR)
ICAdd(cc,IC_NOP1,0,cmp.internal_types[RT_I64]);
goto pe_pop_higher;
case PE_PUSH_LOWER:
pe_push_lower:
PrsPush(ps,tmpc);
PrsPush(ps,stk_op);
PrsPush(ps,cc->coc.coc_head.last->ic_class);
PrsPush(ps,cur_op);
goto pe_unary_term1;
case PE_POP_ALL1:
pe_pop_all1:
if (paren_prec>PREC_UNARY_PRE+ASSOC_MASK &&
paren_prec&~ASSOC_MASK<=left_prec&~ASSOC_MASK-
paren_prec&ASSOCF_LEFT-left_prec&ASSOCF_LEFT)
ParenWarning(cc);
case PE_POP_ALL2:
pe_pop_all2:
stk_op=PrsPop(ps);
tmpc=PrsPop(ps);
if (!stk_op.u16[0])
goto pe_done;
PrsAddOp(cc,stk_op,tmpc);
goto pe_pop_all2;
}
}
pe_done:
if (_max_prec)
*_max_prec=max_prec;
}
Bool PrsExpression(CCmpCtrl *cc,I64 *_max_prec,Bool end_exp,CPrsStk *_ps=NULL)
{
Bool res=TRUE;
I64 old_flags=cc->flags;
CPrsStk *ps;
if (_ps)
ps=_ps;
else {
ps=MAlloc(sizeof(CPrsStk));
ps->ptr=0;
ps->ptr2=0;
}
PrsPush(ps,0); //terminate
PrsPush(ps,0); //terminate
try
//try catch causes noreg vars in function
PrsExpression2(cc,_max_prec,ps);
catch {
if (Fs->except_ch=='Compiler') {
res=FALSE;
Fs->catch_except=TRUE;
}
}
if (!_ps) {
if (ps->ptr)
LexExcept(cc,"Compiler Parse Error at ");
Free(ps);
}
if (res) {
if (end_exp)
ICAdd(cc,IC_END_EXP,0,0,ICF_RES_NOT_USED);
if (cc->coc.coc_head.last->ic_class==
cmp.internal_types[RT_U0])
LexWarn(cc,"U0 Expression ");
}
cc->flags|=old_flags&(CCF_PREINC|CCF_PREDEC);
return res;
}
U0 PrsSizeOf(CCmpCtrl *cc)
{
CHashClass *tmpc;
CMemberLst *tmpm;
CDbgInfo *dbg_info;
I64 i;
if (cc->token!=TK_IDENT)
LexExcept(cc,"Invalid class at ");
if (tmpm=cc->local_var_entry) {
tmpc=tmpm->member_class;
i=tmpc->size*tmpm->dim.total_cnt;
if (Lex(cc)=='.')
goto pu_sizeof_member;
} else {
if (!(tmpc=cc->hash_entry) || !(tmpc->type &
(HTT_CLASS|HTT_INTERNAL_TYPE|HTT_GLBL_VAR|
HTT_FUN|HTT_EXPORT_SYS_SYM)))
LexExcept(cc,"Invalid class at ");
if (tmpc->type&(HTT_FUN|HTT_EXPORT_SYS_SYM)) {
if (!(dbg_info=tmpc(CHashFun *)->dbg_info))
LexExcept(cc,"Size not defined at ");
i=dbg_info->body[dbg_info->max_line+1-dbg_info->min_line]
-dbg_info->body[0];
Lex(cc);
} else {
i=tmpc->size;
while (Lex(cc)=='.') {
pu_sizeof_member:
if (!(tmpc->type & (HTT_CLASS|HTT_GLBL_VAR)))
LexExcept(cc,"Invalid class at ");
else if (tmpc->type & HTT_GLBL_VAR)
tmpc=tmpc(CHashGlblVar *)->var_class;
if (Lex(cc)!=TK_IDENT || !(tmpm=MemberFind(cc->cur_str,tmpc)))
LexExcept(cc,"Invalid member at ");
else if (cc->local_var_entry)
cc->local_var_entry->use_cnt--;
tmpc=tmpm->member_class;
//Probably others like this:
#assert offset(CHashClass.size)==offset(CHashGlblVar.size)
i=tmpc->size*tmpm->dim.total_cnt;
}
}
}
if (cc->token=='*') {
while (Lex(cc)=='*');
i=sizeof(U8 *);
}
ICAdd(cc,IC_IMM_I64,i,cmp.internal_types[RT_I64]);
}
U0 PrsOffsetOf(CCmpCtrl *cc)
{
CHashClass *tmpc;
CMemberLst *tmpm;
I64 i;
if (cc->token!=TK_IDENT)
LexExcept(cc,"Invalid class at ");
if (tmpm=cc->local_var_entry)
tmpc=tmpm->member_class;
else {
tmpc=cc->hash_entry;
if (!tmpc || !(tmpc->type & (HTT_CLASS|HTT_GLBL_VAR)))
LexExcept(cc,"Invalid class at ");
else if (tmpc->type & HTT_GLBL_VAR)
tmpc=tmpc(CHashGlblVar *)->var_class;
}
if (Lex(cc)!='.')
LexExcept(cc,"Expecting '.' at ");
i=0;
do {
if (Lex(cc)!=TK_IDENT || !(tmpm=MemberFind(cc->cur_str,tmpc)))
LexExcept(cc,"Invalid member at ");
else if (cc->local_var_entry)
cc->local_var_entry->use_cnt--;
i+=tmpm->offset;
tmpc=tmpm->member_class;
} while (Lex(cc)=='.');
ICAdd(cc,IC_IMM_I64,i,cmp.internal_types[RT_I64]);
}
I64 PrsFunCall(CCmpCtrl *cc,CPrsStk *ps,Bool indirect,CHashFun *tmpf)
{
I64 i,argc_cnt,dft_val;
Bool is_first_arg=TRUE,needs_right_paren,is_print,is_putchars,
is_template_fun;
CHashClass *tmpc2,*last_class=NULL;
CMemberLst *tmpm;
CCodeCtrl *tmpcbh,*tmpcbh1;
CCodeMisc *cm;
CIntermediateCode *tmpi;
if (!tmpf) {
if (cc->token==TK_CHAR_CONST) {
if (!(tmpf=HashFind("PutChars",cc->htc.hash_table_lst,HTT_FUN)))
LexExcept(cc,"Missing header for Print() and PutChars() at ");
if (!cc->cur_i64) //empty char signals PutChars with variable
Lex(cc);
is_print=FALSE;
is_putchars=TRUE;
} else {
if (!(tmpf=HashFind("Print",cc->htc.hash_table_lst,HTT_FUN)))
LexExcept(cc,"Missing header for Print() and PutChars() at ");
if (!*cc->cur_str) //empty string signals Print with variable fmt_str
Lex(cc);
is_putchars=FALSE;
is_print=TRUE;
}
} else {
is_print=FALSE;
is_putchars=FALSE;
}
if (Bt(&tmpf->flags,Ff_INTERNAL)&& IC_SQR<=tmpf->exe_addr<=IC_ATAN)
is_template_fun=TRUE;
else
is_template_fun=FALSE;
if (indirect) {
if (!(cc->flags & (CCF_RAX | CCF_ARRAY)))
ICAdd(cc,IC_DEREF,0,cmp.internal_types[RT_PTR]);
cc->coc.coc_head.last->ic_class=cmp.internal_types[RT_PTR];
ICAdd(cc,IC_SET_RAX,0,cmp.internal_types[RT_PTR]);
ICAdd(cc,IC_NOP2,1,cmp.internal_types[RT_PTR]); //balance the books
}
COCPush(cc);
tmpcbh=cc->coc.coc_next;
cc->coc.coc_next=NULL;
i=tmpf->arg_cnt;
tmpm=tmpf->member_lst_and_root;
argc_cnt=0;
if (cc->token=='(') {
Lex(cc);
needs_right_paren=TRUE;
} else
needs_right_paren=FALSE;
while (i--) {
COCInit(cc);
if (!is_first_arg) {
if (is_print) {
if (cc->token==',')
Lex(cc);
else if (cc->token!=';')
LexExcept(cc,"Expecting ',' at ");
} else {
if (needs_right_paren) {
if (cc->token==',')
Lex(cc);
else if (cc->token!=')')
LexExcept(cc,"Expecting ',' at ");
}
}
}
if (tmpm->flags & MLF_DFT_AVAILABLE &&
(cc->token==')' || cc->token==',' || !needs_right_paren)) {
dft_val=tmpm->dft_val;
if (tmpm->flags & MLF_LASTCLASS && last_class)
dft_val=(last_class-last_class->ptr_stars_cnt)->str;
if (tmpm->flags & (MLF_STR_DFT_AVAILABLE|MLF_LASTCLASS) &&
cc->flags&CCF_AOT_COMPILE) {
cm=COCMiscNew(cc,CMT_STR_CONST);
ICAdd(cc,IC_STR_CONST,cm,cmp.internal_types[RT_U8]+1);
cm->st_len=StrLen(dft_val)+1;
cm->str=StrNew(dft_val);
cc->flags|=CCF_HAS_MISC_DATA;
} else
ICAdd(cc,IC_IMM_I64,dft_val,tmpm->member_class);
} else {
if (!PrsExpression(cc,NULL,FALSE,ps))
throw('Compiler');
else {
COCPush(cc);
cc->pass=0; OptPass012(cc);
cc->pass=1; tmpi=OptPass012(cc);
COCPop(cc);
last_class=OptClassFwd(tmpi->ic_class);
tmpc2=OptClassFwd(tmpm->member_class);
if (tmpc2->raw_type==RT_F64 && !tmpm->dim.next &&
last_class->raw_type!=RT_F64)
tmpi->ic_flags|=ICF_RES_TO_F64;
else
if (tmpc2->raw_type!=RT_F64 && last_class->raw_type==RT_F64)
tmpi->ic_flags|=ICF_RES_TO_INT;
}
}
COCPush(cc);
is_first_arg=FALSE;
tmpm=tmpm->next;
}
if (tmpm && tmpm->flags & MLF_DOT_DOT_DOT) {
COCInit(cc);
tmpi=ICAdd(cc,IC_IMM_I64,0,tmpm->member_class);
COCPush(cc);
if (is_print) {
if (cc->token!=';') {
do {
if (!is_first_arg) {
if (cc->token==',')
Lex(cc);
else
LexExcept(cc,"Expecting ',' at ");
}
COCInit(cc);
if (!PrsExpression(cc,NULL,FALSE,ps))
throw('Compiler');
COCPush(cc);
is_first_arg=FALSE;
argc_cnt++;
} while (cc->token==',');
}
} else if (needs_right_paren) {
if (cc->token!=')') {
do {
if (!is_first_arg) {
if (cc->token==',')
Lex(cc);
else
LexExcept(cc,"Expecting ',' at ");
}
COCInit(cc);
if (!PrsExpression(cc,NULL,FALSE,ps))
throw('Compiler');
COCPush(cc);
is_first_arg=FALSE;
argc_cnt++;
} while (cc->token==',');
}
}
tmpi->ic_data=argc_cnt++; //++ so add_esp latter works
}
if (needs_right_paren) {
if (cc->token==')')
Lex(cc);
else
LexExcept(cc,"Missing ')' at ");
}
tmpcbh1=tmpcbh->coc_next;
tmpcbh->coc_next=cc->coc.coc_next;
cc->coc.coc_next=tmpcbh;
COCPop(cc);
tmpcbh=cc->coc.coc_next;
cc->coc.coc_next=tmpcbh1;
if (!is_template_fun)
ICAdd(cc,IC_CALL_START,tmpf,0);
if (indirect)
ICAdd(cc,IC_PUSH_REGS,1<<REG_RAX,tmpf->return_class);
while (tmpcbh) {
tmpcbh1=tmpcbh->coc_next;
COCAppend(cc,tmpcbh);
if (!Bt(&tmpf->flags,Ff_INTERNAL))
cc->coc.coc_head.last->ic_flags|=ICF_PUSH_RES;
tmpcbh=tmpcbh1;
}
if (Bt(&tmpf->flags,Ff_INTERNAL))
ICAdd(cc,tmpf->exe_addr,0,tmpf->return_class);
else {
if (indirect)
ICAdd(cc,IC_CALL_INDIRECT,
(argc_cnt+tmpf->arg_cnt)<<3,tmpf->return_class);
else if (Bt(&tmpf->flags,Cf_EXTERN)) {
cc->abs_cnts.externs++;
if (cc->flags&CCF_AOT_COMPILE) {
if (tmpf->type&HTF_IMPORT)
ICAdd(cc,IC_CALL_IMPORT,tmpf,tmpf->return_class);
else
ICAdd(cc,IC_CALL_EXTERN,tmpf,tmpf->return_class);
} else
ICAdd(cc,IC_CALL_INDIRECT2,&tmpf->exe_addr,tmpf->return_class);
} else
ICAdd(cc,IC_CALL,tmpf->exe_addr,tmpf->return_class);
if ((Bt(&tmpf->flags,Ff_RET1) || Bt(&tmpf->flags,Ff_ARGPOP)) &&
!Bt(&tmpf->flags,Ff_NOARGPOP)) {
if (indirect) {
ICAdd(cc,IC_ADD_RSP1,(argc_cnt+tmpf->arg_cnt)<<3,tmpf->return_class);
ICAdd(cc,IC_ADD_RSP,8,tmpf->return_class);
} else
ICAdd(cc,IC_ADD_RSP1,(argc_cnt+tmpf->arg_cnt)<<3,tmpf->return_class);
} else {
if (indirect)
argc_cnt++;
ICAdd(cc,IC_ADD_RSP,(argc_cnt+tmpf->arg_cnt)<<3,tmpf->return_class);
}
}
if (!is_template_fun)
ICAdd(cc,IC_CALL_END,tmpf,tmpf->return_class);
if (is_print||is_putchars)
ICAdd(cc,IC_END_EXP,0,0,ICF_RES_NOT_USED);
cc->flags=(cc->flags|CCF_RAX) & ~(CCF_ARRAY|CCF_FUN_EXP);
return PE_UNARY_MODIFIERS;
}
I64 PrsUnaryTerm(CCmpCtrl *cc,CPrsStk *ps,CMemberLst **_local_var,
CArrayDim **_tmpad,I64 *max_prec,I64 *unary_pre_prec,I64 *paren_prec)
{
I64 i,j;
CHashExport *tmpex;
CHashClass *tmpc;
CHashFun *tmpf;
CHashGlblVar *tmpg;
CMemberLst *tmpm;
CAsmUndefHash *tmpauh;
CCodeMisc *cm;
Bool paren_warn;
*_local_var=NULL;
*paren_prec=PREC_NULL;
switch (cc->token) {
start:
if (PREC_UNARY_PRE>*max_prec)
*max_prec=PREC_UNARY_PRE;
*unary_pre_prec=PREC_UNARY_PRE;
start:
case '~': i=IC_COM; break;
case '!': i=IC_NOT; break;
case '-': i=IC_UNARY_MINUS; break;
case '*': i=IC_DEREF; break;
end:
Lex(cc); //Skip op
break;
case '&':
if (Lex(cc)==TK_IDENT) {
if (tmpc=cc->hash_entry) {
if (tmpc->type & HTT_FUN) {
tmpf=tmpc;
if (!Bt(&tmpf->flags,Ff_INTERNAL)) {
if (Bt(&tmpf->flags,Cf_EXTERN)) {
if (cc->flags&CCF_AOT_COMPILE) {
if (cc->flags&CCF_ASM_EXPRESSIONS) {
if (tmpex=HashFind(tmpf->str,cc->htc.hash_table_lst,
HTT_EXPORT_SYS_SYM))
goto pu_export_sys_sym;
else
goto pu_new_sys_sym;
}
LexExcept(cc,"Can't take addr of extern fun");
}
cc->abs_cnts.externs++;
ICAdd(cc,IC_IMM_I64,
&tmpf->exe_addr,cmp.internal_types[RT_PTR]);
ICAdd(cc,IC_DEREF,0,cmp.internal_types[RT_PTR]);
} else {
if (cc->flags&CCF_AOT_COMPILE) {
ICAdd(cc,IC_ABS_ADDR,
tmpf->exe_addr,cmp.internal_types[RT_PTR]);
if (cc->flags&CCF_ASM_EXPRESSIONS)
cc->abs_cnts.abs_addres++;
} else
ICAdd(cc,IC_IMM_I64,
tmpf->exe_addr,cmp.internal_types[RT_PTR]);
}
cc->abs_cnts.c_addres++;
Lex(cc);
return PE_MAYBE_MODIFIERS;
}
} else if (tmpc->type & HTT_EXPORT_SYS_SYM) {
tmpex=tmpc;
if (cc->flags&CCF_ASM_EXPRESSIONS &&
!(cc->flags&CCF_AOT_COMPILE) && tmpex->type&HTF_IMM) {
cc->abs_cnts.c_addres++;
ICAdd(cc,IC_IMM_I64,
tmpex->val,cmp.internal_types[RT_PTR]);
Lex(cc);
return PE_MAYBE_MODIFIERS;
} else
goto pu_export_sys_sym;
}
} else if (cc->flags&CCF_ASM_EXPRESSIONS && !cc->local_var_entry)
goto pu_ident_but_not_local_var;
}
i=IC_ADDR;
break;
end:
PrsPush(ps,tmpc);
PrsPush(ps,PREC_UNARY_PRE<<16+i);
return PE_UNARY_TERM2;
start:
case TK_I64:
case TK_CHAR_CONST:
case TK_INS_BIN_SIZE:
if (cc->cur_i64<0)
ICAdd(cc,IC_IMM_I64,cc->cur_i64,cmp.internal_types[RT_U64]);
else
ICAdd(cc,IC_IMM_I64,cc->cur_i64,cmp.internal_types[RT_I64]);
Lex(cc);
break;
case TK_F64:
ICAdd(cc,IC_IMM_F64,cc->cur_f64(I64),cmp.internal_types[RT_F64]);
Lex(cc);
break;
case TK_STR:
cm=COCMiscNew(cc,CMT_STR_CONST);
ICAdd(cc,IC_STR_CONST,cm,cmp.internal_types[RT_U8]+1);
cm->str=LexExtStr(cc,&cm->st_len);
cc->flags|=CCF_HAS_MISC_DATA;
break;
case TK_INS_BIN:
cm=COCMiscNew(cc,CMT_STR_CONST);
ICAdd(cc,IC_STR_CONST,cm,cmp.internal_types[RT_U8]+1);
cm->str=cc->cur_str;
cm->st_len=cc->cur_str_len;
cc->cur_str=NULL;
cc->flags|=CCF_HAS_MISC_DATA;
Lex(cc);
break;
case '$$':
if (cc->flags & CCF_ASM_EXPRESSIONS) {
cc->abs_cnts.abs_addres++;
if (cc->flags&CCF_AOT_COMPILE)
ICAdd(cc,IC_ABS_ADDR,cc->aotc->rip,cmp.internal_types[RT_PTR]);
else
ICAdd(cc,IC_IMM_I64,cc->aotc->rip,cmp.internal_types[RT_PTR]);
} else {
if (cc->flags&CCF_CLASS_DOL_OFFSET)
ICAdd(cc,IC_IMM_I64,cc->class_dol_offset,
cmp.internal_types[RT_I64]);
else
ICAdd(cc,IC_RIP,0,cmp.internal_types[RT_PTR]);
}
Lex(cc);
break;
end:
if (PREC_TERM>*max_prec)
*max_prec=PREC_TERM;
return PE_MAYBE_MODIFIERS;
case '(':
if (Lex(cc)==TK_IDENT && cc->hash_entry &&
cc->hash_entry->type & (HTT_CLASS|HTT_INTERNAL_TYPE))
LexExcept(cc,"Use TempleOS postfix typecasting at ");
else {
if (PREC_TERM>*max_prec)
*max_prec=PREC_TERM;
if (cc->lex_include_stk->flags&LFSF_DEFINE)
paren_warn=FALSE;
else
paren_warn=TRUE;
if (!PrsExpression(cc,paren_prec,FALSE,ps))
throw('Compiler');
if (!paren_warn)
*paren_prec=PREC_NULL;
if (cc->token!=')')
LexExcept(cc,"Missing ')' at ");
Lex(cc); //skip )
cc->flags= cc->flags & ~CCF_ARRAY | CCF_RAX | CCF_PAREN;
return PE_UNARY_MODIFIERS;
}
start:
case '+': break;
case TK_PLUS_PLUS: cc->flags|=CCF_PREINC; break;
case TK_MINUS_MINUS: cc->flags|=CCF_PREDEC; break;
end:
if (PREC_UNARY_PRE>*max_prec)
*max_prec=PREC_UNARY_PRE;
*unary_pre_prec=PREC_UNARY_PRE;
Lex(cc);
return PE_UNARY_TERM2;
case TK_IDENT:
if (tmpm=cc->local_var_entry) {
if (PREC_TERM>*max_prec)
*max_prec=PREC_TERM;
cc->flags&=~(CCF_RAX|CCF_ARRAY|CCF_FUN_EXP);
tmpc=tmpm->member_class+1;
if (tmpm->flags & MLF_FUN && !(cc->flags&CCF_ASM_EXPRESSIONS)) {
PrsPopDeref(ps);
cc->flags|=CCF_FUN_EXP;
PrsPush2(ps,tmpm->fun_ptr-tmpm->fun_ptr->ptr_stars_cnt);
}
if (tmpm->dim.next) {
*_tmpad=tmpm->dim.next;
cc->flags|=CCF_ARRAY;
}
if (tmpm->flags&MLF_STATIC) {
if (cc->flags&CCF_AOT_COMPILE) {
// if (tmpg->flags&GVF_DATA_HEAP) //TODO
// ICAdd(cc,IC_HEAP_GLBL,tmpm->static_data,tmpc);
// else
ICAdd(cc,IC_ABS_ADDR,tmpm->static_data_rip,tmpc);
} else
ICAdd(cc,IC_IMM_I64,tmpm->static_data,tmpc);
} else {
if (cc->flags&CCF_ASM_EXPRESSIONS) {
i=PrsPop(ps);
ps->ptr--;
if (i.u16[0]!=IC_ADDR)
LexExcept(cc,"Expecting '&' at ");
ICAdd(cc,IC_IMM_I64,tmpm->offset,cmp.internal_types[RT_PTR]);
*_local_var=tmpm;
Lex(cc);
return PE_MAYBE_MODIFIERS;
} else {
if (tmpm->dim.next && tmpm->offset>0 &&
StrCmp(tmpm->str,"argv")) {
tmpc++;
cc->flags&=~CCF_ARRAY;
}
ICAdd(cc,IC_RBP,0,tmpc);
ICAdd(cc,IC_IMM_I64,tmpm->offset,tmpc);
ICAdd(cc,IC_ADD,0,tmpc);
}
}
Lex(cc); //skip var name
*_local_var=tmpm;
return PE_UNARY_MODIFIERS;
}
pu_ident_but_not_local_var:
if (!(tmpex=cc->hash_entry)) {
if (!(cc->flags & CCF_ASM_EXPRESSIONS))
LexExcept(cc,"Invalid lval at ");
tmpc=NULL;
pu_new_sys_sym:
tmpex=CAlloc(sizeof(CHashExport),Fs->code_heap);
tmpex->str=cc->cur_str;
cc->cur_str=NULL;
if (!cc->htc.local_var_lst &&
*tmpex->str=='@' && tmpex->str[1]=='@') {
tmpex->type=HTT_EXPORT_SYS_SYM | HTF_UNRESOLVED | HTF_LOCAL;
HashAdd(tmpex,cc->htc.local_hash_table);
} else {
tmpex->type=HTT_EXPORT_SYS_SYM | HTF_UNRESOLVED;
if (tmpc)
HashAddAfter(tmpex,tmpc,cc->htc.glbl_hash_table);
else
HashAdd(tmpex,cc->htc.glbl_hash_table);
}
}
switch (Bsf(tmpex->type)) {
case HTt_EXPORT_SYS_SYM:
pu_export_sys_sym:
if (PREC_TERM>*max_prec)
*max_prec=PREC_TERM;
if (!(tmpex->type & (HTF_IMM|HTF_IMPORT)))
cc->abs_cnts.abs_addres++;
if (tmpex->type & HTF_UNRESOLVED) {
if (!(cc->flags&CCF_ASM_EXPRESSIONS))
LexExcept(cc,"Illegal fwd ref at ");
tmpauh=MAlloc(sizeof(CAsmUndefHash));
tmpauh->hash=tmpex;
tmpauh->next=cc->asm_undef_hash;
cc->asm_undef_hash=tmpauh;
if (tmpex->type & HTF_LOCAL)
cc->flags|=CCF_UNRESOLVED|CCF_LOCAL;
else
cc->flags|=CCF_UNRESOLVED;
ICAdd(cc,IC_IMM_I64,
&tmpex->val,cmp.internal_types[RT_PTR],ICF_NO_RIP);
ICAdd(cc,IC_DEREF,0,cmp.internal_types[RT_PTR]);
} else {
if (cc->flags&CCF_AOT_COMPILE && !(tmpex->type & HTF_IMM))
ICAdd(cc,IC_ABS_ADDR,tmpex->val,cmp.internal_types[RT_PTR]);
else {
if (tmpex->type&HTF_IMM)
cc->abs_cnts.c_addres++;
ICAdd(cc,IC_IMM_I64,tmpex->val,cmp.internal_types[RT_PTR]);
}
}
Lex(cc);
return PE_MAYBE_MODIFIERS;
case HTt_FUN:
if (PREC_TERM>*max_prec)
*max_prec=PREC_TERM;
Lex(cc); //skip fun name
return PrsFunCall(cc,ps,FALSE,tmpex);
case HTt_GLBL_VAR:
if (PREC_TERM>*max_prec)
*max_prec=PREC_TERM;
tmpg=tmpex;
tmpc=tmpg->var_class+1;
cc->flags&=~(CCF_RAX|CCF_ARRAY|CCF_FUN_EXP);
if (tmpg->flags&GVF_ARRAY) {
*_tmpad=tmpg->dim.next;
cc->flags|=CCF_ARRAY;
}
if (cc->flags&CCF_AOT_COMPILE) {
if (tmpg->flags & GVF_EXTERN) //TODO
LexExcept(cc,"Feature not implemented ");
else {
if (tmpg->flags & GVF_IMPORT)
ICAdd(cc,IC_ADDR_IMPORT,tmpg,tmpc);
else {
if (tmpg->flags&GVF_DATA_HEAP)
ICAdd(cc,IC_HEAP_GLBL,tmpg->heap_glbl,tmpc);
else
ICAdd(cc,IC_ABS_ADDR,tmpg->data_addr_rip,tmpc);
}
}
} else {
if (tmpg->flags & GVF_EXTERN) {
cc->abs_cnts.externs++;
ICAdd(cc,IC_IMM_I64,&tmpg->data_addr,tmpc);
ICAdd(cc,IC_DEREF,0,tmpc);
} else
ICAdd(cc,IC_IMM_I64,tmpg->data_addr,tmpc);
}
Lex(cc);
if (tmpg->flags & GVF_FUN) {
PrsPopDeref(ps);
cc->flags|=CCF_FUN_EXP;
PrsPush2(ps,tmpg->fun_ptr-tmpg->fun_ptr->ptr_stars_cnt);
}
return PE_UNARY_MODIFIERS;
case HTt_CLASS:
PrsOffsetOf(cc);
return PE_MAYBE_MODIFIERS;
case HTt_KEYWORD:
switch (tmpex(CHashGeneric *)->user_data0) {
case KW_SIZEOF:
if (PREC_TERM>*max_prec)
*max_prec=PREC_TERM;
j=0;
while (Lex(cc)=='(')
j++;
PrsSizeOf(cc);
while (j--) {
if (cc->token!=')')
LexExcept(cc,"Missing ')' at ");
Lex(cc);
}
return PE_MAYBE_MODIFIERS;
case KW_OFFSET:
if (PREC_TERM>*max_prec)
*max_prec=PREC_TERM;
j=0;
while (Lex(cc)=='(')
j++;
PrsOffsetOf(cc);
while (j--) {
if (cc->token!=')')
LexExcept(cc,"Missing ')' at ");
Lex(cc);
}
return PE_MAYBE_MODIFIERS;
case KW_DEFINED:
if (PREC_TERM>*max_prec)
*max_prec=PREC_TERM;
j=0;
while (Lex(cc)=='(')
j++;
if (cc->token==TK_IDENT &&
(cc->hash_entry || cc->local_var_entry))
ICAdd(cc,IC_IMM_I64,TRUE,cmp.internal_types[RT_I64]);
else
ICAdd(cc,IC_IMM_I64,FALSE,cmp.internal_types[RT_I64]);
Lex(cc);
while (j--) {
if (cc->token!=')')
LexExcept(cc,"Missing ')' at ");
Lex(cc);
}
return PE_MAYBE_MODIFIERS;
}
}
}
LexExcept(cc,"Missing expression at ");
}
I64 PrsUnaryModifier(CCmpCtrl *cc,CPrsStk *ps,CMemberLst **_local_var,
CArrayDim **_tmpad,I64 *unary_post_prec)
{
CHashClass *tmpc,*tmpc1;
CHashFun *fun_ptr;
CMemberLst *tmpm=*_local_var;
CIntermediateCode *tmpi,*tmpi1;
CArrayDim *tmpad1,tmpad2;
CCodeMisc *cm;
I64 mode,old_flags;
Bool was_paren=Btr(&cc->flags,CCf_PAREN);
*_local_var=NULL;
switch (cc->token) {
case '.':
if (tmpm)
tmpm->reg=REG_NONE;
goto um_join;
case TK_DEREFERENCE:
tmpi=cc->coc.coc_head.last;
if (!(cc->flags & (CCF_RAX | CCF_ARRAY)))
ICAdd(cc,IC_DEREF+PREC_UNARY_PRE<<16,0,tmpi->ic_class-1);
else
tmpi->ic_class--;
um_join:
if (!*unary_post_prec)
*unary_post_prec=PREC_TERM;
tmpc=cc->coc.coc_head.last->ic_class;
if ((!tmpc->ptr_stars_cnt || cc->flags & CCF_ARRAY) && cc->token=='.')
LexExcept(cc,"Must be address, not value ");
if (!(cc->flags & CCF_RAX))
tmpc--;
if (!(tmpc->type & HTT_CLASS))
LexExcept(cc,"Invalid class at ");
if (Lex(cc)!=TK_IDENT ||
!(tmpm=MemberFind(cc->cur_str,tmpc)))
LexExcept(cc,"Invalid member at ");
else if (cc->local_var_entry)
cc->local_var_entry->use_cnt--;
Lex(cc); //skip member name
tmpc1=tmpm->member_class+1;
ICAdd(cc,IC_IMM_I64,tmpm->offset,tmpc1);
cc->flags&=~(CCF_RAX|CCF_ARRAY|CCF_FUN_EXP);
if (tmpm->dim.next) {
*_tmpad=tmpm->dim.next;
cc->flags|=CCF_ARRAY;
}
if(tmpm->flags & MLF_FUN) {
PrsPopDeref(ps);
PrsPush2(ps,tmpm->fun_ptr-tmpm->fun_ptr->ptr_stars_cnt);
cc->flags|=CCF_FUN_EXP;
}
ICAdd(cc,IC_ADD,0,tmpc1);
return PE_UNARY_MODIFIERS;
case '(':
if (cc->flags & CCF_FUN_EXP) {
if (!*unary_post_prec)
*unary_post_prec=PREC_TERM;
return PrsFunCall(cc,ps,TRUE,PrsPop2(ps));
}
if (!*unary_post_prec)
*unary_post_prec=PREC_TERM;
if (Lex(cc)!=TK_IDENT)
LexExcept(cc,"Invalid class at ");
if (Btr(&cc->flags,CCf_FUN_EXP))
ps->ptr2--;
cc->flags&=~CCF_ARRAY;
tmpc=cc->hash_entry;
Lex(cc);
mode=PRS0_TYPECAST|PRS1_NULL;
tmpc=PrsType(cc,&tmpc,&mode,NULL,NULL,&fun_ptr,NULL,&tmpad2,0);
if (fun_ptr) {
PrsPopDeref(ps);
Bts(&cc->flags,CCf_FUN_EXP);
PrsPush2(ps,fun_ptr);
cm=COCMiscNew(cc,CMT_HASH_ENTRY);
cm->h=fun_ptr;
}
if (*_tmpad=tmpad2.next) {
cc->flags|=CCF_ARRAY;
tmpc++;
cm=COCMiscNew(cc,CMT_ARRAY_DIM);
cm->dim=*_tmpad;
}
if (!(cc->flags&(CCF_RAX|CCF_ARRAY)))
tmpc++;
tmpi=cc->coc.coc_head.last;
tmpi->ic_class=tmpc;
ICAdd(cc,IC_HOLYC_TYPECAST,was_paren,tmpc);
if (cc->token!=')')
LexExcept(cc,"Missing ')' at ");
Lex(cc);
return PE_UNARY_MODIFIERS;
case '[':
if (!*unary_post_prec)
*unary_post_prec=PREC_TERM;
Lex(cc);
tmpc=OptClassFwd(cc->coc.coc_head.last->ic_class);
if (!tmpc->ptr_stars_cnt)
LexExcept(cc,"Not array or ptr ");
if (!(cc->flags & (CCF_ARRAY | CCF_RAX))) {
tmpc=OptClassFwd(tmpc-1);
if (!tmpc->ptr_stars_cnt)
LexExcept(cc,"Not array or ptr ");
ICAdd(cc,IC_DEREF+PREC_UNARY_PRE<<16,0,tmpc);
}
tmpc1=tmpc-1;
if (tmpad1=*_tmpad) {
ICAdd(cc,IC_IMM_I64,tmpad1->total_cnt*tmpc1->size,tmpc);
if (*_tmpad=tmpad1->next) {
old_flags=cc->flags;
if (!PrsExpression(cc,NULL,FALSE,ps))
throw('Compiler');
cc->flags=cc->flags&~CCF_FUN_EXP|old_flags&CCF_FUN_EXP;
if (cc->token!=']')
LexExcept(cc,"Missing ']' at ");
Lex(cc); //skip ]
tmpi1=cc->coc.coc_head.last;
tmpi1->ic_flags|=ICF_RES_TO_INT;
ICAdd(cc,IC_MUL,0,tmpc);
ICAdd(cc,IC_ADD,0,tmpc);
cc->flags|=CCF_RAX;
return PE_UNARY_MODIFIERS;
}
} else
ICAdd(cc,IC_IMM_I64,tmpc1->size,tmpc);
old_flags=cc->flags;
if (!PrsExpression(cc,NULL,FALSE,ps))
throw('Compiler');
cc->flags=cc->flags&~CCF_FUN_EXP|old_flags&CCF_FUN_EXP;
if (cc->token!=']')
LexExcept(cc,"Missing ']' at ");
Lex(cc); //skip ]
tmpi1=cc->coc.coc_head.last;
tmpi1->ic_flags|=ICF_RES_TO_INT;
ICAdd(cc,IC_MUL,0,tmpc);
ICAdd(cc,IC_ADD,0,tmpc);
cc->flags&=~(CCF_RAX|CCF_ARRAY);
return PE_UNARY_MODIFIERS;
start:
case TK_PLUS_PLUS:
cc->flags|=CCF_POSTINC;
break;
case TK_MINUS_MINUS:
cc->flags|=CCF_POSTDEC;
break;
end:
if (!*unary_post_prec)
*unary_post_prec=PREC_UNARY_POST;
Lex(cc);
return PE_DEREFERENCE;
}
return PE_DEREFERENCE;
}
U8 *LexExpression2Bin(CCmpCtrl *cc,I64 *_type=NULL)
{//Compile cc expression. You call the code.
U8 *res;
I64 size;
Bool old_trace=Btr(&cc->flags,CCf_PASS_TRACE_PRESENT);
COCPush(cc);
COCInit(cc);
if (PrsExpression(cc,NULL,FALSE)) {
ICAdd(cc,IC_RETURN_VAL,0,0);
ICAdd(cc,IC_RET,0,0);
res=COCCompile(cc,&size,NULL,_type);
} else
res=NULL;
COCPop(cc);
BEqu(&cc->flags,CCf_PASS_TRACE_PRESENT,old_trace);
return res;
}
Bool IsLexExpression2Bin(CCmpCtrl *cc,U8 **_machine_code)
{//Compile cc expression to bin. Return err status.
return ToBool(*_machine_code=LexExpression2Bin(cc));
}
I64 LexExpressionI64(CCmpCtrl *cc)
{//Compile cc expression, forcing to I64 and eval.
U8 *machine_code;
I64 res,type;
if (machine_code=LexExpression2Bin(cc,&type)) {
res=Call(machine_code);
Free(machine_code);
if (type==RT_F64)
res=ToI64(res(F64));
} else
res=0;
return res;
}
F64 LexExpressionF64(CCmpCtrl *cc)
{//Compile cc expression, forcing to F64 and eval.
U8 *machine_code;
I64 res,type;
if (machine_code=LexExpression2Bin(cc,&type)) {
res=Call(machine_code);
Free(machine_code);
if (type!=RT_F64)
res(F64)=ToF64(res);
} else
res=0;
return res(F64);
}
I64 LexExpression(CCmpCtrl *cc)
{//Compile cc expression and eval. Might be I64 or F64.
U8 *machine_code;
I64 res;
if (machine_code=LexExpression2Bin(cc)) {
res=Call(machine_code);
Free(machine_code);
} else
res=0;
return res;
}