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			1375 lines
		
	
	
		
			53 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			1375 lines
		
	
	
		
			53 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
 | |
|     $Id$
 | |
|     Copyright (c) 1998-2000 by Florian Klaempfl
 | |
| 
 | |
|     Type checking and register allocation for add node
 | |
| 
 | |
|     This program is free software; you can redistribute it and/or modify
 | |
|     it under the terms of the GNU General Public License as published by
 | |
|     the Free Software Foundation; either version 2 of the License, or
 | |
|     (at your option) any later version.
 | |
| 
 | |
|     This program is distributed in the hope that it will be useful,
 | |
|     but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | |
|     GNU General Public License for more details.
 | |
| 
 | |
|     You should have received a copy of the GNU General Public License
 | |
|     along with this program; if not, write to the Free Software
 | |
|     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 | |
| 
 | |
|  ****************************************************************************
 | |
| }
 | |
| unit tcadd;
 | |
| interface
 | |
| 
 | |
|     uses
 | |
|       tree;
 | |
| 
 | |
|     procedure firstadd(var p : ptree);
 | |
|     function isbinaryoverloaded(var p : ptree) : boolean;
 | |
| 
 | |
| 
 | |
| implementation
 | |
| 
 | |
|     uses
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|       globtype,systems,tokens,
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|       cobjects,verbose,globals,
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|       symconst,symtable,aasm,types,
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|       hcodegen,htypechk,pass_1,
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|       cpubase,tccnv
 | |
|       ;
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| 
 | |
|     function isbinaryoverloaded(var p : ptree) : boolean;
 | |
| 
 | |
|      var
 | |
|          rd,ld   : pdef;
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|          t : ptree;
 | |
|          optoken : ttoken;
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| 
 | |
|       begin
 | |
|         isbinaryoverloaded:=false;
 | |
|         { overloaded operator ? }
 | |
|         { load easier access variables }
 | |
|         rd:=p^.right^.resulttype;
 | |
|         ld:=p^.left^.resulttype;
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|         if (p^.treetype=starstarn) or
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|            (ld^.deftype=recorddef) or
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|            ((ld^.deftype=arraydef) and
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|              not((cs_mmx in aktlocalswitches) and
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|              is_mmx_able_array(ld)) and
 | |
|             (not (rd^.deftype in [orddef])) and
 | |
|             (not is_chararray(ld))
 | |
|            ) or
 | |
|            { <> and = are defined for classes }
 | |
|            ((ld^.deftype=objectdef) and
 | |
|             (not(pobjectdef(ld)^.is_class) or
 | |
|              not(p^.treetype in [equaln,unequaln])
 | |
|             )
 | |
|            ) or
 | |
|            (rd^.deftype=recorddef) or
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|            ((rd^.deftype=arraydef) and
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|              not((cs_mmx in aktlocalswitches) and
 | |
|              is_mmx_able_array(rd)) and
 | |
|             (not (ld^.deftype in [orddef])) and
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|             (not is_chararray(rd))
 | |
|            ) or
 | |
|            { <> and = are defined for classes }
 | |
|            ((rd^.deftype=objectdef) and
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|             (not(pobjectdef(rd)^.is_class) or
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|              not(p^.treetype in [equaln,unequaln])
 | |
|             )
 | |
|            ) then
 | |
|           begin
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|              isbinaryoverloaded:=true;
 | |
|              {!!!!!!!!! handle paras }
 | |
|              case p^.treetype of
 | |
|                 { the nil as symtable signs firstcalln that this is
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|                   an overloaded operator }
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|                 addn:
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|                   optoken:=_PLUS;
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|                 subn:
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|                   optoken:=_MINUS;
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|                 muln:
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|                   optoken:=_STAR;
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|                 starstarn:
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|                   optoken:=_STARSTAR;
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|                 slashn:
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|                   optoken:=_SLASH;
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|                 ltn:
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|                   optoken:=tokens._lt;
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|                 gtn:
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|                   optoken:=tokens._gt;
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|                 lten:
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|                   optoken:=_lte;
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|                 gten:
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|                   optoken:=_gte;
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|                 equaln,unequaln :
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|                   optoken:=_EQUAL;
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|                 symdifn :
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|                   optoken:=_SYMDIF;
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|                 modn :
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|                   optoken:=_OP_MOD;
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|                 orn :
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|                   optoken:=_OP_OR;
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|                 xorn :
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|                   optoken:=_OP_XOR;
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|                 andn :
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|                   optoken:=_OP_AND;
 | |
|                 divn :
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|                   optoken:=_OP_DIV;
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|                 shln :
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|                   optoken:=_OP_SHL;
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|                 shrn :
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|                   optoken:=_OP_SHR;
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|                 else
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|                   exit;
 | |
|              end;
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|              t:=gencallnode(overloaded_operators[optoken],nil);
 | |
|              { we have to convert p^.left and p^.right into
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|               callparanodes }
 | |
|              if t^.symtableprocentry=nil then
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|                begin
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|                   CGMessage(parser_e_operator_not_overloaded);
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|                   putnode(t);
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|                end
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|              else
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|                begin
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|                   inc(t^.symtableprocentry^.refs);
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|                   t^.left:=gencallparanode(p^.left,nil);
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|                   t^.left:=gencallparanode(p^.right,t^.left);
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|                   if p^.treetype=unequaln then
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|                    t:=gensinglenode(notn,t);
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|                   firstpass(t);
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|                   putnode(p);
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|                   p:=t;
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|                end;
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|           end;
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|       end;
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| 
 | |
| {*****************************************************************************
 | |
|                                 FirstAdd
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| *****************************************************************************}
 | |
| 
 | |
|     procedure firstadd(var p : ptree);
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| 
 | |
|       procedure make_bool_equal_size(var p:ptree);
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|       begin
 | |
|         if porddef(p^.left^.resulttype)^.typ>porddef(p^.right^.resulttype)^.typ then
 | |
|          begin
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|            p^.right:=gentypeconvnode(p^.right,porddef(p^.left^.resulttype));
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|            p^.right^.convtyp:=tc_bool_2_int;
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|            p^.right^.explizit:=true;
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|            firstpass(p^.right);
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|          end
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|         else
 | |
|          if porddef(p^.left^.resulttype)^.typ<porddef(p^.right^.resulttype)^.typ then
 | |
|           begin
 | |
|             p^.left:=gentypeconvnode(p^.left,porddef(p^.right^.resulttype));
 | |
|             p^.left^.convtyp:=tc_bool_2_int;
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|             p^.left^.explizit:=true;
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|             firstpass(p^.left);
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|           end;
 | |
|       end;
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| 
 | |
|       var
 | |
|          t,hp    : ptree;
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|          ot,
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|          lt,rt   : ttreetyp;
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|          rv,lv   : longint;
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|          rvd,lvd : bestreal;
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|          resdef,
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|          rd,ld   : pdef;
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|          tempdef : pdef;
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|          concatstrings : boolean;
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| 
 | |
|          { to evalute const sets }
 | |
|          resultset : pconstset;
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|          i : longint;
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|          b : boolean;
 | |
|          convdone : boolean;
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|          s1,s2 : pchar;
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|          l1,l2 : longint;
 | |
| 
 | |
|       begin
 | |
|          { first do the two subtrees }
 | |
|          firstpass(p^.left);
 | |
|          firstpass(p^.right);
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
|          { convert array constructors to sets, because there is no other operator
 | |
|            possible for array constructors }
 | |
|          if is_array_constructor(p^.left^.resulttype) then
 | |
|            arrayconstructor_to_set(p^.left);
 | |
|          if is_array_constructor(p^.right^.resulttype) then
 | |
|            arrayconstructor_to_set(p^.right);
 | |
| 
 | |
|          { both left and right need to be valid }
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|          set_varstate(p^.left,true);
 | |
|          set_varstate(p^.right,true);
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| 
 | |
|          { load easier access variables }
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|          lt:=p^.left^.treetype;
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|          rt:=p^.right^.treetype;
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|          rd:=p^.right^.resulttype;
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|          ld:=p^.left^.resulttype;
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|          convdone:=false;
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| 
 | |
|          if isbinaryoverloaded(p) then
 | |
|            exit;
 | |
|          { compact consts }
 | |
| 
 | |
|          { convert int consts to real consts, if the }
 | |
|          { other operand is a real const             }
 | |
|          if (rt=realconstn) and is_constintnode(p^.left) then
 | |
|            begin
 | |
|               t:=genrealconstnode(p^.left^.value,p^.right^.resulttype);
 | |
|               disposetree(p^.left);
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|               p^.left:=t;
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|               lt:=realconstn;
 | |
|            end;
 | |
|          if (lt=realconstn) and is_constintnode(p^.right) then
 | |
|            begin
 | |
|               t:=genrealconstnode(p^.right^.value,p^.left^.resulttype);
 | |
|               disposetree(p^.right);
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|               p^.right:=t;
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|               rt:=realconstn;
 | |
|            end;
 | |
| 
 | |
|        { both are int constants, also allow operations on two equal enums
 | |
|          in fpc mode (Needed for conversion of C code) }
 | |
|          if ((lt=ordconstn) and (rt=ordconstn)) and
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|             ((is_constintnode(p^.left) and is_constintnode(p^.right)) or
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|              (is_constboolnode(p^.left) and is_constboolnode(p^.right) and
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|               (p^.treetype in [ltn,lten,gtn,gten,equaln,unequaln,andn,xorn,orn]))) then
 | |
|            begin
 | |
|               { return a boolean for boolean operations (and,xor,or) }
 | |
|               if is_constboolnode(p^.left) then
 | |
|                resdef:=booldef
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|               else
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|                resdef:=s32bitdef;
 | |
|               lv:=p^.left^.value;
 | |
|               rv:=p^.right^.value;
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|               case p^.treetype of
 | |
|                 addn : t:=genordinalconstnode(lv+rv,resdef);
 | |
|                 subn : t:=genordinalconstnode(lv-rv,resdef);
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|                 muln : t:=genordinalconstnode(lv*rv,resdef);
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|                 xorn : t:=genordinalconstnode(lv xor rv,resdef);
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|                  orn : t:=genordinalconstnode(lv or rv,resdef);
 | |
|                 andn : t:=genordinalconstnode(lv and rv,resdef);
 | |
|                  ltn : t:=genordinalconstnode(ord(lv<rv),booldef);
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|                 lten : t:=genordinalconstnode(ord(lv<=rv),booldef);
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|                  gtn : t:=genordinalconstnode(ord(lv>rv),booldef);
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|                 gten : t:=genordinalconstnode(ord(lv>=rv),booldef);
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|               equaln : t:=genordinalconstnode(ord(lv=rv),booldef);
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|             unequaln : t:=genordinalconstnode(ord(lv<>rv),booldef);
 | |
|               slashn : begin
 | |
|                        { int/int becomes a real }
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|                          if int(rv)=0 then
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|                           begin
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|                             Message(parser_e_invalid_float_operation);
 | |
|                             t:=genrealconstnode(0,bestrealdef^);
 | |
|                           end
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|                          else
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|                           t:=genrealconstnode(int(lv)/int(rv),bestrealdef^);
 | |
|                          firstpass(t);
 | |
|                        end;
 | |
|               else
 | |
|                 CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               disposetree(p);
 | |
|               firstpass(t);
 | |
|               p:=t;
 | |
|               exit;
 | |
|            end;
 | |
| 
 | |
|        { both real constants ? }
 | |
|          if (lt=realconstn) and (rt=realconstn) then
 | |
|            begin
 | |
|               lvd:=p^.left^.value_real;
 | |
|               rvd:=p^.right^.value_real;
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|               case p^.treetype of
 | |
|                  addn : t:=genrealconstnode(lvd+rvd,bestrealdef^);
 | |
|                  subn : t:=genrealconstnode(lvd-rvd,bestrealdef^);
 | |
|                  muln : t:=genrealconstnode(lvd*rvd,bestrealdef^);
 | |
|                starstarn,
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|                caretn : begin
 | |
|                           if lvd<0 then
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|                            begin
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|                              Message(parser_e_invalid_float_operation);
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|                              t:=genrealconstnode(0,bestrealdef^);
 | |
|                            end
 | |
|                           else if lvd=0 then
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|                             t:=genrealconstnode(1.0,bestrealdef^)
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|                           else
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|                             t:=genrealconstnode(exp(ln(lvd)*rvd),bestrealdef^);
 | |
|                         end;
 | |
|                slashn :
 | |
|                         begin
 | |
|                           if rvd=0 then
 | |
|                            begin
 | |
|                              Message(parser_e_invalid_float_operation);
 | |
|                              t:=genrealconstnode(0,bestrealdef^);
 | |
|                            end
 | |
|                           else
 | |
|                            t:=genrealconstnode(lvd/rvd,bestrealdef^);
 | |
|                         end;
 | |
|                   ltn : t:=genordinalconstnode(ord(lvd<rvd),booldef);
 | |
|                  lten : t:=genordinalconstnode(ord(lvd<=rvd),booldef);
 | |
|                   gtn : t:=genordinalconstnode(ord(lvd>rvd),booldef);
 | |
|                  gten : t:=genordinalconstnode(ord(lvd>=rvd),booldef);
 | |
|                equaln : t:=genordinalconstnode(ord(lvd=rvd),booldef);
 | |
|              unequaln : t:=genordinalconstnode(ord(lvd<>rvd),booldef);
 | |
|               else
 | |
|                 CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               disposetree(p);
 | |
|               p:=t;
 | |
|               firstpass(p);
 | |
|               exit;
 | |
|            end;
 | |
| 
 | |
|        { concating strings ? }
 | |
|          concatstrings:=false;
 | |
|          s1:=nil;
 | |
|          s2:=nil;
 | |
|          if (lt=ordconstn) and (rt=ordconstn) and
 | |
|             is_char(ld) and is_char(rd) then
 | |
|            begin
 | |
|               s1:=strpnew(char(byte(p^.left^.value)));
 | |
|               s2:=strpnew(char(byte(p^.right^.value)));
 | |
|               l1:=1;
 | |
|               l2:=1;
 | |
|               concatstrings:=true;
 | |
|            end
 | |
|          else
 | |
|            if (lt=stringconstn) and (rt=ordconstn) and is_char(rd) then
 | |
|            begin
 | |
|               s1:=getpcharcopy(p^.left);
 | |
|               l1:=p^.left^.length;
 | |
|               s2:=strpnew(char(byte(p^.right^.value)));
 | |
|               l2:=1;
 | |
|               concatstrings:=true;
 | |
|            end
 | |
|          else
 | |
|            if (lt=ordconstn) and (rt=stringconstn) and is_char(ld) then
 | |
|            begin
 | |
|               s1:=strpnew(char(byte(p^.left^.value)));
 | |
|               l1:=1;
 | |
|               s2:=getpcharcopy(p^.right);
 | |
|               l2:=p^.right^.length;
 | |
|               concatstrings:=true;
 | |
|            end
 | |
|          else if (lt=stringconstn) and (rt=stringconstn) then
 | |
|            begin
 | |
|               s1:=getpcharcopy(p^.left);
 | |
|               l1:=p^.left^.length;
 | |
|               s2:=getpcharcopy(p^.right);
 | |
|               l2:=p^.right^.length;
 | |
|               concatstrings:=true;
 | |
|            end;
 | |
| 
 | |
|          { I will need to translate all this to ansistrings !!! }
 | |
|          if concatstrings then
 | |
|            begin
 | |
|               case p^.treetype of
 | |
|                  addn :
 | |
|                    t:=genpcharconstnode(concatansistrings(s1,s2,l1,l2),l1+l2);
 | |
|                  ltn :
 | |
|                    t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)<0),booldef);
 | |
|                  lten :
 | |
|                    t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)<=0),booldef);
 | |
|                  gtn :
 | |
|                    t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)>0),booldef);
 | |
|                  gten :
 | |
|                    t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)>=0),booldef);
 | |
|                  equaln :
 | |
|                    t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)=0),booldef);
 | |
|                  unequaln :
 | |
|                    t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)<>0),booldef);
 | |
|               end;
 | |
|               ansistringdispose(s1,l1);
 | |
|               ansistringdispose(s2,l2);
 | |
|               disposetree(p);
 | |
|               firstpass(t);
 | |
|               p:=t;
 | |
|               exit;
 | |
|            end;
 | |
| 
 | |
|        { if both are orddefs then check sub types }
 | |
|          if (ld^.deftype=orddef) and (rd^.deftype=orddef) then
 | |
|            begin
 | |
|            { 2 booleans ? }
 | |
|              if is_boolean(ld) and is_boolean(rd) then
 | |
|               begin
 | |
|                 case p^.treetype of
 | |
|                   andn,
 | |
|                   orn:
 | |
|                     begin
 | |
|                       calcregisters(p,0,0,0);
 | |
|                       make_bool_equal_size(p);
 | |
|                       p^.location.loc:=LOC_JUMP;
 | |
|                     end;
 | |
|                   xorn,ltn,lten,gtn,gten :
 | |
|                     begin
 | |
|                       make_bool_equal_size(p);
 | |
|                       if (p^.left^.location.loc in [LOC_JUMP,LOC_FLAGS]) and
 | |
|                         (p^.left^.location.loc in [LOC_JUMP,LOC_FLAGS]) then
 | |
|                         calcregisters(p,2,0,0)
 | |
|                       else
 | |
|                         calcregisters(p,1,0,0);
 | |
|                     end;
 | |
|                   unequaln,
 | |
|                   equaln:
 | |
|                     begin
 | |
|                       make_bool_equal_size(p);
 | |
|                       { Remove any compares with constants }
 | |
|                       if (p^.left^.treetype=ordconstn) then
 | |
|                        begin
 | |
|                          hp:=p^.right;
 | |
|                          b:=(p^.left^.value<>0);
 | |
|                          ot:=p^.treetype;
 | |
|                          disposetree(p^.left);
 | |
|                          putnode(p);
 | |
|                          p:=hp;
 | |
|                          if (not(b) and (ot=equaln)) or
 | |
|                             (b and (ot=unequaln)) then
 | |
|                           begin
 | |
|                             p:=gensinglenode(notn,p);
 | |
|                             firstpass(p);
 | |
|                           end;
 | |
|                          exit;
 | |
|                        end;
 | |
|                       if (p^.right^.treetype=ordconstn) then
 | |
|                        begin
 | |
|                          hp:=p^.left;
 | |
|                          b:=(p^.right^.value<>0);
 | |
|                          ot:=p^.treetype;
 | |
|                          disposetree(p^.right);
 | |
|                          putnode(p);
 | |
|                          p:=hp;
 | |
|                          if (not(b) and (ot=equaln)) or
 | |
|                             (b and (ot=unequaln)) then
 | |
|                           begin
 | |
|                             p:=gensinglenode(notn,p);
 | |
|                             firstpass(p);
 | |
|                           end;
 | |
|                          exit;
 | |
|                        end;
 | |
|                       if (p^.left^.location.loc in [LOC_JUMP,LOC_FLAGS]) and
 | |
|                         (p^.left^.location.loc in [LOC_JUMP,LOC_FLAGS]) then
 | |
|                         calcregisters(p,2,0,0)
 | |
|                       else
 | |
|                         calcregisters(p,1,0,0);
 | |
|                     end;
 | |
|                 else
 | |
|                   CGMessage(type_e_mismatch);
 | |
|                 end;
 | |
| 
 | |
|                 { these one can't be in flags! }
 | |
|                 if p^.treetype in [xorn,unequaln,equaln] then
 | |
|                   begin
 | |
|                      if p^.left^.location.loc=LOC_FLAGS then
 | |
|                        begin
 | |
|                           p^.left:=gentypeconvnode(p^.left,porddef(p^.left^.resulttype));
 | |
|                           p^.left^.convtyp:=tc_bool_2_int;
 | |
|                           p^.left^.explizit:=true;
 | |
|                           firstpass(p^.left);
 | |
|                        end;
 | |
|                      if p^.right^.location.loc=LOC_FLAGS then
 | |
|                        begin
 | |
|                           p^.right:=gentypeconvnode(p^.right,porddef(p^.right^.resulttype));
 | |
|                           p^.right^.convtyp:=tc_bool_2_int;
 | |
|                           p^.right^.explizit:=true;
 | |
|                           firstpass(p^.right);
 | |
|                        end;
 | |
|                      { readjust registers }
 | |
|                      calcregisters(p,1,0,0);
 | |
|                   end;
 | |
|                 convdone:=true;
 | |
|               end
 | |
|              else
 | |
|              { Both are chars? only convert to shortstrings for addn }
 | |
|               if is_char(rd) and is_char(ld) then
 | |
|                begin
 | |
|                  if p^.treetype=addn then
 | |
|                    begin
 | |
|                      p^.left:=gentypeconvnode(p^.left,cshortstringdef);
 | |
|                      p^.right:=gentypeconvnode(p^.right,cshortstringdef);
 | |
|                      firstpass(p^.left);
 | |
|                      firstpass(p^.right);
 | |
|                      { here we call STRCOPY }
 | |
|                      procinfo^.flags:=procinfo^.flags or pi_do_call;
 | |
|                      calcregisters(p,0,0,0);
 | |
|                      p^.location.loc:=LOC_MEM;
 | |
|                    end
 | |
|                  else
 | |
|                    calcregisters(p,1,0,0);
 | |
|                  convdone:=true;
 | |
|                end
 | |
|               { is there a 64 bit type ? }
 | |
|              else if (porddef(rd)^.typ=s64bit) or (porddef(ld)^.typ=s64bit) then
 | |
|                begin
 | |
|                   if (porddef(ld)^.typ<>s64bit) then
 | |
|                     begin
 | |
|                       p^.left:=gentypeconvnode(p^.left,cs64bitdef);
 | |
|                       firstpass(p^.left);
 | |
|                     end;
 | |
|                   if (porddef(rd)^.typ<>s64bit) then
 | |
|                     begin
 | |
|                        p^.right:=gentypeconvnode(p^.right,cs64bitdef);
 | |
|                        firstpass(p^.right);
 | |
|                     end;
 | |
|                   calcregisters(p,2,0,0);
 | |
|                   convdone:=true;
 | |
|                end
 | |
|              else if (porddef(rd)^.typ=u64bit) or (porddef(ld)^.typ=u64bit) then
 | |
|                begin
 | |
|                   if (porddef(ld)^.typ<>u64bit) then
 | |
|                     begin
 | |
|                       p^.left:=gentypeconvnode(p^.left,cu64bitdef);
 | |
|                       firstpass(p^.left);
 | |
|                     end;
 | |
|                   if (porddef(rd)^.typ<>u64bit) then
 | |
|                     begin
 | |
|                        p^.right:=gentypeconvnode(p^.right,cu64bitdef);
 | |
|                        firstpass(p^.right);
 | |
|                     end;
 | |
|                   calcregisters(p,2,0,0);
 | |
|                   convdone:=true;
 | |
|                end
 | |
|              else
 | |
|               { is there a cardinal? }
 | |
|               if (porddef(rd)^.typ=u32bit) or (porddef(ld)^.typ=u32bit) then
 | |
|                begin
 | |
|                  { convert constants to u32bit }
 | |
| {$ifndef cardinalmulfix}
 | |
|                  if (porddef(ld)^.typ<>u32bit) then
 | |
|                   begin
 | |
|                     { s32bit will be used for when the other is also s32bit }
 | |
| 
 | |
|   { the following line doesn't make any sense: it's the same as        }
 | |
|   {  if ((porddef(rd)^.typ=u32bit) or (porddef(ld)^.typ=u32bit)) and   }
 | |
|   {      (porddef(ld)^.typ<>u32bit) and (porddef(rd)^.typ=s32bit) then }
 | |
|   { which can be simplified to                                         }
 | |
|   {  if ((porddef(rd)^.typ=u32bit) and (porddef(rd)^.typ=s32bit) then  }
 | |
|   { which can never be true (JM)                                       }
 | |
|                     if (porddef(rd)^.typ=s32bit) and (lt<>ordconstn) then
 | |
|                      p^.left:=gentypeconvnode(p^.left,s32bitdef)
 | |
|                     else
 | |
|                      p^.left:=gentypeconvnode(p^.left,u32bitdef);
 | |
|                     firstpass(p^.left);
 | |
|                   end;
 | |
|                  if (porddef(rd)^.typ<>u32bit) then
 | |
|                   begin
 | |
|                     { s32bit will be used for when the other is also s32bit }
 | |
|                     if (porddef(ld)^.typ=s32bit) and (rt<>ordconstn) then
 | |
|                      p^.right:=gentypeconvnode(p^.right,s32bitdef)
 | |
|                     else
 | |
|                      p^.right:=gentypeconvnode(p^.right,u32bitdef);
 | |
|                     firstpass(p^.right);
 | |
|                   end;
 | |
| {$else cardinalmulfix}
 | |
|                  { only do a conversion if the nodes have different signs }
 | |
|                  if (porddef(rd)^.typ=u32bit) xor (porddef(ld)^.typ=u32bit) then
 | |
|                    if (porddef(rd)^.typ=u32bit) then
 | |
|                      begin
 | |
|                      { can we make them both unsigned? }
 | |
|                        if is_constintnode(p^.left) and
 | |
|                           ((p^.treetype <> subn) and
 | |
|                            (p^.left^.value > 0)) then
 | |
|                          p^.left:=gentypeconvnode(p^.left,u32bitdef)
 | |
|                        else
 | |
|                          p^.left:=gentypeconvnode(p^.left,s32bitdef);
 | |
|                        firstpass(p^.left);
 | |
|                      end
 | |
|                    else {if (porddef(ld)^.typ=u32bit) then}
 | |
|                      begin
 | |
|                      { can we make them both unsigned? }
 | |
|                        if is_constintnode(p^.right) and
 | |
|                           (p^.right^.value > 0) then
 | |
|                          p^.right:=gentypeconvnode(p^.right,u32bitdef)
 | |
|                        else
 | |
|                          p^.right:=gentypeconvnode(p^.right,s32bitdef);
 | |
|                        firstpass(p^.right);
 | |
|                      end;
 | |
| {$endif cardinalmulfix}
 | |
|                  calcregisters(p,1,0,0);
 | |
|                  { for unsigned mul we need an extra register }
 | |
| {                 p^.registers32:=p^.left^.registers32+p^.right^.registers32; }
 | |
|                  if p^.treetype=muln then
 | |
|                   inc(p^.registers32);
 | |
|                  convdone:=true;
 | |
|                end;
 | |
|            end
 | |
|          else
 | |
| 
 | |
|          { left side a setdef, must be before string processing,
 | |
|            else array constructor can be seen as array of char (PFV) }
 | |
|            if (ld^.deftype=setdef) {or is_array_constructor(ld)} then
 | |
|              begin
 | |
|              { trying to add a set element? }
 | |
|                 if (p^.treetype=addn) and (rd^.deftype<>setdef) then
 | |
|                  begin
 | |
|                    if (rt=setelementn) then
 | |
|                     begin
 | |
|                       if not(is_equal(psetdef(ld)^.elementtype.def,rd)) then
 | |
|                        CGMessage(type_e_set_element_are_not_comp);
 | |
|                     end
 | |
|                    else
 | |
|                     CGMessage(type_e_mismatch)
 | |
|                  end
 | |
|                 else
 | |
|                  begin
 | |
|                    if not(p^.treetype in [addn,subn,symdifn,muln,equaln,unequaln
 | |
| {$IfNDef NoSetInclusion}
 | |
|                                           ,lten,gten
 | |
| {$EndIf NoSetInclusion}
 | |
|                    ]) then
 | |
|                     CGMessage(type_e_set_operation_unknown);
 | |
|                  { right def must be a also be set }
 | |
|                    if (rd^.deftype<>setdef) or not(is_equal(rd,ld)) then
 | |
|                     CGMessage(type_e_set_element_are_not_comp);
 | |
|                  end;
 | |
| 
 | |
|                 { ranges require normsets }
 | |
|                 if (psetdef(ld)^.settype=smallset) and
 | |
|                    (rt=setelementn) and
 | |
|                    assigned(p^.right^.right) then
 | |
|                  begin
 | |
|                    { generate a temporary normset def }
 | |
|                    tempdef:=new(psetdef,init(psetdef(ld)^.elementtype.def,255));
 | |
|                    p^.left:=gentypeconvnode(p^.left,tempdef);
 | |
|                    firstpass(p^.left);
 | |
|                    dispose(tempdef,done);
 | |
|                    ld:=p^.left^.resulttype;
 | |
|                  end;
 | |
| 
 | |
|                 { if the destination is not a smallset then insert a typeconv
 | |
|                   which loads a smallset into a normal set }
 | |
|                 if (psetdef(ld)^.settype<>smallset) and
 | |
|                    (psetdef(rd)^.settype=smallset) then
 | |
|                  begin
 | |
|                    if (p^.right^.treetype=setconstn) then
 | |
|                      begin
 | |
|                         t:=gensetconstnode(p^.right^.value_set,psetdef(p^.left^.resulttype));
 | |
|                         t^.left:=p^.right^.left;
 | |
|                         putnode(p^.right);
 | |
|                         p^.right:=t;
 | |
|                      end
 | |
|                    else
 | |
|                      p^.right:=gentypeconvnode(p^.right,psetdef(p^.left^.resulttype));
 | |
|                    firstpass(p^.right);
 | |
|                  end;
 | |
| 
 | |
|                 { do constant evaluation }
 | |
|                 if (p^.right^.treetype=setconstn) and
 | |
|                    not assigned(p^.right^.left) and
 | |
|                    (p^.left^.treetype=setconstn) and
 | |
|                    not assigned(p^.left^.left) then
 | |
|                   begin
 | |
|                      new(resultset);
 | |
|                      case p^.treetype of
 | |
|                         addn : begin
 | |
|                                   for i:=0 to 31 do
 | |
|                                     resultset^[i]:=
 | |
|                                       p^.right^.value_set^[i] or p^.left^.value_set^[i];
 | |
|                                   t:=gensetconstnode(resultset,psetdef(ld));
 | |
|                                end;
 | |
|                         muln : begin
 | |
|                                   for i:=0 to 31 do
 | |
|                                     resultset^[i]:=
 | |
|                                       p^.right^.value_set^[i] and p^.left^.value_set^[i];
 | |
|                                   t:=gensetconstnode(resultset,psetdef(ld));
 | |
|                                end;
 | |
|                         subn : begin
 | |
|                                   for i:=0 to 31 do
 | |
|                                     resultset^[i]:=
 | |
|                                       p^.left^.value_set^[i] and not(p^.right^.value_set^[i]);
 | |
|                                   t:=gensetconstnode(resultset,psetdef(ld));
 | |
|                                end;
 | |
|                      symdifn : begin
 | |
|                                   for i:=0 to 31 do
 | |
|                                     resultset^[i]:=
 | |
|                                       p^.left^.value_set^[i] xor p^.right^.value_set^[i];
 | |
|                                   t:=gensetconstnode(resultset,psetdef(ld));
 | |
|                                end;
 | |
|                     unequaln : begin
 | |
|                                  b:=true;
 | |
|                                  for i:=0 to 31 do
 | |
|                                   if p^.right^.value_set^[i]=p^.left^.value_set^[i] then
 | |
|                                    begin
 | |
|                                      b:=false;
 | |
|                                      break;
 | |
|                                    end;
 | |
|                                  t:=genordinalconstnode(ord(b),booldef);
 | |
|                                end;
 | |
|                       equaln : begin
 | |
|                                  b:=true;
 | |
|                                  for i:=0 to 31 do
 | |
|                                   if p^.right^.value_set^[i]<>p^.left^.value_set^[i] then
 | |
|                                    begin
 | |
|                                      b:=false;
 | |
|                                      break;
 | |
|                                    end;
 | |
|                                  t:=genordinalconstnode(ord(b),booldef);
 | |
|                                end;
 | |
| {$IfNDef NoSetInclusion}
 | |
|                        lten : Begin
 | |
|                                 b := true;
 | |
|                                 For i := 0 to 31 Do
 | |
|                                   If (p^.right^.value_set^[i] And p^.left^.value_set^[i]) <>
 | |
|                                       p^.left^.value_set^[i] Then
 | |
|                                     Begin
 | |
|                                       b := false;
 | |
|                                       Break
 | |
|                                     End;
 | |
|                                 t := genordinalconstnode(ord(b),booldef);
 | |
|                               End;
 | |
|                        gten : Begin
 | |
|                                 b := true;
 | |
|                                 For i := 0 to 31 Do
 | |
|                                   If (p^.left^.value_set^[i] And p^.right^.value_set^[i]) <>
 | |
|                                       p^.right^.value_set^[i] Then
 | |
|                                     Begin
 | |
|                                       b := false;
 | |
|                                       Break
 | |
|                                     End;
 | |
|                                 t := genordinalconstnode(ord(b),booldef);
 | |
|                               End;
 | |
| {$EndIf NoSetInclusion}
 | |
|                      end;
 | |
|                      dispose(resultset);
 | |
|                      disposetree(p);
 | |
|                      p:=t;
 | |
|                      firstpass(p);
 | |
|                      exit;
 | |
|                   end
 | |
|                 else
 | |
|                  if psetdef(ld)^.settype=smallset then
 | |
|                   begin
 | |
|                      calcregisters(p,1,0,0);
 | |
|                      { are we adding set elements ? }
 | |
|                      if p^.right^.treetype=setelementn then
 | |
|                        begin
 | |
|                        { we need at least two registers PM }
 | |
|                          if p^.registers32<2 then
 | |
|                            p^.registers32:=2;
 | |
|                        end;
 | |
|                      p^.location.loc:=LOC_REGISTER;
 | |
|                   end
 | |
|                  else
 | |
|                   begin
 | |
|                      calcregisters(p,0,0,0);
 | |
|                      { here we call SET... }
 | |
|                      procinfo^.flags:=procinfo^.flags or pi_do_call;
 | |
|                      p^.location.loc:=LOC_MEM;
 | |
|                   end;
 | |
|               convdone:=true;
 | |
|             end
 | |
|          else
 | |
| 
 | |
|            { is one of the operands a string?,
 | |
|              chararrays are also handled as strings (after conversion) }
 | |
|            if (rd^.deftype=stringdef) or (ld^.deftype=stringdef) or
 | |
|               ((is_chararray(rd) or is_char(rd)) and
 | |
|                (is_chararray(ld) or is_char(ld))) then
 | |
|             begin
 | |
|               if is_widestring(rd) or is_widestring(ld) then
 | |
|                 begin
 | |
|                    if not(is_widestring(rd)) then
 | |
|                      p^.right:=gentypeconvnode(p^.right,cwidestringdef);
 | |
|                    if not(is_widestring(ld)) then
 | |
|                      p^.left:=gentypeconvnode(p^.left,cwidestringdef);
 | |
|                    p^.resulttype:=cwidestringdef;
 | |
|                    { this is only for add, the comparisaion is handled later }
 | |
|                    p^.location.loc:=LOC_REGISTER;
 | |
|                 end
 | |
|               else if is_ansistring(rd) or is_ansistring(ld) then
 | |
|                 begin
 | |
|                    if not(is_ansistring(rd)) then
 | |
|                      p^.right:=gentypeconvnode(p^.right,cansistringdef);
 | |
|                    if not(is_ansistring(ld)) then
 | |
|                      p^.left:=gentypeconvnode(p^.left,cansistringdef);
 | |
|                    { we use ansistrings so no fast exit here }
 | |
|                    procinfo^.no_fast_exit:=true;
 | |
|                    p^.resulttype:=cansistringdef;
 | |
|                    { this is only for add, the comparisaion is handled later }
 | |
|                    p^.location.loc:=LOC_REGISTER;
 | |
|                 end
 | |
|               else if is_longstring(rd) or is_longstring(ld) then
 | |
|                 begin
 | |
|                    if not(is_longstring(rd)) then
 | |
|                      p^.right:=gentypeconvnode(p^.right,clongstringdef);
 | |
|                    if not(is_longstring(ld)) then
 | |
|                      p^.left:=gentypeconvnode(p^.left,clongstringdef);
 | |
|                    p^.resulttype:=clongstringdef;
 | |
|                    { this is only for add, the comparisaion is handled later }
 | |
|                    p^.location.loc:=LOC_MEM;
 | |
|                 end
 | |
|               else
 | |
|                 begin
 | |
|                    if not(is_shortstring(rd)) then
 | |
|                      p^.right:=gentypeconvnode(p^.right,cshortstringdef);
 | |
|                    if not(is_shortstring(ld)) then
 | |
|                      p^.left:=gentypeconvnode(p^.left,cshortstringdef);
 | |
|                    p^.resulttype:=cshortstringdef;
 | |
|                    { this is only for add, the comparisaion is handled later }
 | |
|                    p^.location.loc:=LOC_MEM;
 | |
|                 end;
 | |
|               { only if there is a type cast we need to do again }
 | |
|               { the first pass                             }
 | |
|               if p^.left^.treetype=typeconvn then
 | |
|                 firstpass(p^.left);
 | |
|               if p^.right^.treetype=typeconvn then
 | |
|                 firstpass(p^.right);
 | |
|               { here we call STRCONCAT or STRCMP or STRCOPY }
 | |
|               procinfo^.flags:=procinfo^.flags or pi_do_call;
 | |
|               if p^.location.loc=LOC_MEM then
 | |
|                 calcregisters(p,0,0,0)
 | |
|               else
 | |
|                 calcregisters(p,1,0,0);
 | |
|               convdone:=true;
 | |
|            end
 | |
|          else
 | |
| 
 | |
|          { is one a real float ? }
 | |
|            if (rd^.deftype=floatdef) or (ld^.deftype=floatdef) then
 | |
|             begin
 | |
|             { if one is a fixed, then convert to f32bit }
 | |
|               if ((rd^.deftype=floatdef) and (pfloatdef(rd)^.typ=f32bit)) or
 | |
|                  ((ld^.deftype=floatdef) and (pfloatdef(ld)^.typ=f32bit)) then
 | |
|                begin
 | |
|                  if not is_integer(rd) or (p^.treetype<>muln) then
 | |
|                    p^.right:=gentypeconvnode(p^.right,s32fixeddef);
 | |
|                  if not is_integer(ld) or (p^.treetype<>muln) then
 | |
|                    p^.left:=gentypeconvnode(p^.left,s32fixeddef);
 | |
|                  firstpass(p^.left);
 | |
|                  firstpass(p^.right);
 | |
|                  calcregisters(p,1,0,0);
 | |
|                  p^.location.loc:=LOC_REGISTER;
 | |
|                end
 | |
|               else
 | |
|               { convert both to bestreal }
 | |
|                 begin
 | |
|                   p^.right:=gentypeconvnode(p^.right,bestrealdef^);
 | |
|                   p^.left:=gentypeconvnode(p^.left,bestrealdef^);
 | |
|                   firstpass(p^.left);
 | |
|                   firstpass(p^.right);
 | |
|                   calcregisters(p,1,1,0);
 | |
|                   p^.location.loc:=LOC_FPU;
 | |
|                 end;
 | |
|               convdone:=true;
 | |
|             end
 | |
|          else
 | |
| 
 | |
|          { pointer comperation and subtraction }
 | |
|            if (rd^.deftype=pointerdef) and (ld^.deftype=pointerdef) then
 | |
|             begin
 | |
|               p^.location.loc:=LOC_REGISTER;
 | |
|               { p^.right:=gentypeconvnode(p^.right,ld); }
 | |
|               { firstpass(p^.right); }
 | |
|               calcregisters(p,1,0,0);
 | |
|               case p^.treetype of
 | |
|                  equaln,unequaln :
 | |
|                    begin
 | |
|                       if is_equal(p^.right^.resulttype,voidpointerdef) then
 | |
|                         begin
 | |
|                            p^.right:=gentypeconvnode(p^.right,ld);
 | |
|                            firstpass(p^.right);
 | |
|                         end
 | |
|                       else if is_equal(p^.left^.resulttype,voidpointerdef) then
 | |
|                         begin
 | |
|                            p^.left:=gentypeconvnode(p^.left,rd);
 | |
|                            firstpass(p^.left);
 | |
|                         end
 | |
|                       else if not(is_equal(ld,rd)) then
 | |
|                         CGMessage(type_e_mismatch);
 | |
|                    end;
 | |
|                  ltn,lten,gtn,gten:
 | |
|                    begin
 | |
|                       if is_equal(p^.right^.resulttype,voidpointerdef) then
 | |
|                         begin
 | |
|                            p^.right:=gentypeconvnode(p^.right,ld);
 | |
|                            firstpass(p^.right);
 | |
|                         end
 | |
|                       else if is_equal(p^.left^.resulttype,voidpointerdef) then
 | |
|                         begin
 | |
|                            p^.left:=gentypeconvnode(p^.left,rd);
 | |
|                            firstpass(p^.left);
 | |
|                         end
 | |
|                       else if not(is_equal(ld,rd)) then
 | |
|                         CGMessage(type_e_mismatch);
 | |
|                       if not(cs_extsyntax in aktmoduleswitches) then
 | |
|                         CGMessage(type_e_mismatch);
 | |
|                    end;
 | |
|                  subn:
 | |
|                    begin
 | |
|                       if not(is_equal(ld,rd)) then
 | |
|                         CGMessage(type_e_mismatch);
 | |
|                       if not(cs_extsyntax in aktmoduleswitches) then
 | |
|                         CGMessage(type_e_mismatch);
 | |
|                       p^.resulttype:=s32bitdef;
 | |
|                       exit;
 | |
|                    end;
 | |
|                  else CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|            end
 | |
|          else
 | |
| 
 | |
|            if (rd^.deftype=objectdef) and (ld^.deftype=objectdef) and
 | |
|               pobjectdef(rd)^.is_class and pobjectdef(ld)^.is_class then
 | |
|             begin
 | |
|               p^.location.loc:=LOC_REGISTER;
 | |
|               if pobjectdef(rd)^.is_related(pobjectdef(ld)) then
 | |
|                 p^.right:=gentypeconvnode(p^.right,ld)
 | |
|               else
 | |
|                 p^.left:=gentypeconvnode(p^.left,rd);
 | |
|               firstpass(p^.right);
 | |
|               firstpass(p^.left);
 | |
|               calcregisters(p,1,0,0);
 | |
|               case p^.treetype of
 | |
|                  equaln,unequaln : ;
 | |
|                  else CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|             end
 | |
|          else
 | |
| 
 | |
|            if (rd^.deftype=classrefdef) and (ld^.deftype=classrefdef) then
 | |
|             begin
 | |
|               p^.location.loc:=LOC_REGISTER;
 | |
|               if pobjectdef(pclassrefdef(rd)^.pointertype.def)^.is_related(pobjectdef(
 | |
|                 pclassrefdef(ld)^.pointertype.def)) then
 | |
|                 p^.right:=gentypeconvnode(p^.right,ld)
 | |
|               else
 | |
|                 p^.left:=gentypeconvnode(p^.left,rd);
 | |
|               firstpass(p^.right);
 | |
|               firstpass(p^.left);
 | |
|               calcregisters(p,1,0,0);
 | |
|               case p^.treetype of
 | |
|                  equaln,unequaln : ;
 | |
|                  else CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|            end
 | |
|          else
 | |
| 
 | |
|          { allows comperasion with nil pointer }
 | |
|            if (rd^.deftype=objectdef) and
 | |
|               pobjectdef(rd)^.is_class then
 | |
|             begin
 | |
|               p^.location.loc:=LOC_REGISTER;
 | |
|               p^.left:=gentypeconvnode(p^.left,rd);
 | |
|               firstpass(p^.left);
 | |
|               calcregisters(p,1,0,0);
 | |
|               case p^.treetype of
 | |
|                  equaln,unequaln : ;
 | |
|                  else CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|             end
 | |
|          else
 | |
| 
 | |
|            if (ld^.deftype=objectdef) and
 | |
|               pobjectdef(ld)^.is_class then
 | |
|             begin
 | |
|               p^.location.loc:=LOC_REGISTER;
 | |
|               p^.right:=gentypeconvnode(p^.right,ld);
 | |
|               firstpass(p^.right);
 | |
|               calcregisters(p,1,0,0);
 | |
|               case p^.treetype of
 | |
|                  equaln,unequaln : ;
 | |
|                  else CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|             end
 | |
|          else
 | |
| 
 | |
|            if (rd^.deftype=classrefdef) then
 | |
|             begin
 | |
|               p^.left:=gentypeconvnode(p^.left,rd);
 | |
|               firstpass(p^.left);
 | |
|               calcregisters(p,1,0,0);
 | |
|               case p^.treetype of
 | |
|                  equaln,unequaln : ;
 | |
|                  else CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|             end
 | |
|          else
 | |
| 
 | |
|            if (ld^.deftype=classrefdef) then
 | |
|             begin
 | |
|               p^.right:=gentypeconvnode(p^.right,ld);
 | |
|               firstpass(p^.right);
 | |
|               calcregisters(p,1,0,0);
 | |
|               case p^.treetype of
 | |
|                 equaln,unequaln : ;
 | |
|               else
 | |
|                 CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|            end
 | |
|          else
 | |
| 
 | |
|          { support procvar=nil,procvar<>nil }
 | |
|            if ((ld^.deftype=procvardef) and (rt=niln)) or
 | |
|               ((rd^.deftype=procvardef) and (lt=niln)) then
 | |
|             begin
 | |
|               calcregisters(p,1,0,0);
 | |
|               p^.location.loc:=LOC_REGISTER;
 | |
|               case p^.treetype of
 | |
|                  equaln,unequaln : ;
 | |
|               else
 | |
|                 CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|             end
 | |
|          else
 | |
| 
 | |
| {$ifdef SUPPORT_MMX}
 | |
|            if (cs_mmx in aktlocalswitches) and is_mmx_able_array(ld) and
 | |
|              is_mmx_able_array(rd) and is_equal(ld,rd) then
 | |
|             begin
 | |
|               firstpass(p^.right);
 | |
|               firstpass(p^.left);
 | |
|               case p^.treetype of
 | |
|                 addn,subn,xorn,orn,andn:
 | |
|                   ;
 | |
|                 { mul is a little bit restricted }
 | |
|                 muln:
 | |
|                   if not(mmx_type(p^.left^.resulttype) in
 | |
|                     [mmxu16bit,mmxs16bit,mmxfixed16]) then
 | |
|                     CGMessage(type_e_mismatch);
 | |
|                 else
 | |
|                   CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               p^.location.loc:=LOC_MMXREGISTER;
 | |
|               calcregisters(p,0,0,1);
 | |
|               convdone:=true;
 | |
|             end
 | |
|           else
 | |
| {$endif SUPPORT_MMX}
 | |
| 
 | |
|            { this is a little bit dangerous, also the left type }
 | |
|            { should be checked! This broke the mmx support      }
 | |
|            if (rd^.deftype=pointerdef) or
 | |
|              is_zero_based_array(rd) then
 | |
|             begin
 | |
|               if is_zero_based_array(rd) then
 | |
|                 begin
 | |
|                    p^.resulttype:=new(ppointerdef,init(parraydef(rd)^.elementtype));
 | |
|                    p^.right:=gentypeconvnode(p^.right,p^.resulttype);
 | |
|                    firstpass(p^.right);
 | |
|                 end;
 | |
|               p^.location.loc:=LOC_REGISTER;
 | |
|               p^.left:=gentypeconvnode(p^.left,s32bitdef);
 | |
|               firstpass(p^.left);
 | |
|               calcregisters(p,1,0,0);
 | |
|               if p^.treetype=addn then
 | |
|                 begin
 | |
|                   if not(cs_extsyntax in aktmoduleswitches) or
 | |
|                     (not(is_pchar(ld)) and not(m_add_pointer in aktmodeswitches)) then
 | |
|                     CGMessage(type_e_mismatch);
 | |
|                   { Dirty hack, to support multiple firstpasses (PFV) }
 | |
|                   if (p^.resulttype=nil) and
 | |
|                      (rd^.deftype=pointerdef) and
 | |
|                      (ppointerdef(rd)^.pointertype.def^.size>1) then
 | |
|                    begin
 | |
|                      p^.left:=gennode(muln,p^.left,genordinalconstnode(ppointerdef(rd)^.pointertype.def^.size,s32bitdef));
 | |
|                      firstpass(p^.left);
 | |
|                    end;
 | |
|                 end
 | |
|               else
 | |
|                 CGMessage(type_e_mismatch);
 | |
|               convdone:=true;
 | |
|             end
 | |
|          else
 | |
| 
 | |
|            if (ld^.deftype=pointerdef) or
 | |
|              is_zero_based_array(ld) then
 | |
|             begin
 | |
|               if is_zero_based_array(ld) then
 | |
|                 begin
 | |
|                    p^.resulttype:=new(ppointerdef,init(parraydef(ld)^.elementtype));
 | |
|                    p^.left:=gentypeconvnode(p^.left,p^.resulttype);
 | |
|                    firstpass(p^.left);
 | |
|                 end;
 | |
|               p^.location.loc:=LOC_REGISTER;
 | |
|               p^.right:=gentypeconvnode(p^.right,s32bitdef);
 | |
|               firstpass(p^.right);
 | |
|               calcregisters(p,1,0,0);
 | |
|               case p^.treetype of
 | |
|                 addn,subn : begin
 | |
|                               if not(cs_extsyntax in aktmoduleswitches) or
 | |
|                                  (not(is_pchar(ld)) and not(m_add_pointer in aktmodeswitches)) then
 | |
|                                CGMessage(type_e_mismatch);
 | |
|                               { Dirty hack, to support multiple firstpasses (PFV) }
 | |
|                               if (p^.resulttype=nil) and
 | |
|                                  (ld^.deftype=pointerdef) and
 | |
|                                  (ppointerdef(ld)^.pointertype.def^.size>1) then
 | |
|                                begin
 | |
|                                  p^.right:=gennode(muln,p^.right,
 | |
|                                    genordinalconstnode(ppointerdef(ld)^.pointertype.def^.size,s32bitdef));
 | |
|                                  firstpass(p^.right);
 | |
|                                end;
 | |
|                             end;
 | |
|               else
 | |
|                 CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|            end
 | |
|          else
 | |
| 
 | |
|            if (rd^.deftype=procvardef) and (ld^.deftype=procvardef) and is_equal(rd,ld) then
 | |
|             begin
 | |
|               calcregisters(p,1,0,0);
 | |
|               p^.location.loc:=LOC_REGISTER;
 | |
|               case p^.treetype of
 | |
|                  equaln,unequaln : ;
 | |
|               else
 | |
|                 CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|             end
 | |
|          else
 | |
| 
 | |
|            if (ld^.deftype=enumdef) and (rd^.deftype=enumdef) and (is_equal(ld,rd)) then
 | |
|             begin
 | |
|               calcregisters(p,1,0,0);
 | |
|               case p^.treetype of
 | |
|                  equaln,unequaln,
 | |
|                  ltn,lten,gtn,gten : ;
 | |
|                  else CGMessage(type_e_mismatch);
 | |
|               end;
 | |
|               convdone:=true;
 | |
|             end;
 | |
| 
 | |
|          { the general solution is to convert to 32 bit int }
 | |
|          if not convdone then
 | |
|            begin
 | |
|               { but an int/int gives real/real! }
 | |
|               if p^.treetype=slashn then
 | |
|                 begin
 | |
|                    CGMessage(type_h_use_div_for_int);
 | |
|                    p^.right:=gentypeconvnode(p^.right,bestrealdef^);
 | |
|                    p^.left:=gentypeconvnode(p^.left,bestrealdef^);
 | |
|                    firstpass(p^.left);
 | |
|                    firstpass(p^.right);
 | |
|                    { maybe we need an integer register to save }
 | |
|                    { a reference                               }
 | |
|                    if ((p^.left^.location.loc<>LOC_FPU) or
 | |
|                        (p^.right^.location.loc<>LOC_FPU)) and
 | |
|                        (p^.left^.registers32=p^.right^.registers32) then
 | |
|                      calcregisters(p,1,1,0)
 | |
|                    else
 | |
|                      calcregisters(p,0,1,0);
 | |
|                    p^.location.loc:=LOC_FPU;
 | |
|                 end
 | |
|               else
 | |
|                 begin
 | |
|                    p^.right:=gentypeconvnode(p^.right,s32bitdef);
 | |
|                    p^.left:=gentypeconvnode(p^.left,s32bitdef);
 | |
|                    firstpass(p^.left);
 | |
|                    firstpass(p^.right);
 | |
|                    calcregisters(p,1,0,0);
 | |
|                    p^.location.loc:=LOC_REGISTER;
 | |
|                 end;
 | |
|            end;
 | |
| 
 | |
|          if codegenerror then
 | |
|            exit;
 | |
| 
 | |
|          { determines result type for comparions }
 | |
|          { here the is a problem with multiple passes }
 | |
|          { example length(s)+1 gets internal 'longint' type first }
 | |
|          { if it is a arg it is converted to 'LONGINT' }
 | |
|          { but a second first pass will reset this to 'longint' }
 | |
|          case p^.treetype of
 | |
|             ltn,lten,gtn,gten,equaln,unequaln:
 | |
|               begin
 | |
|                  if (not assigned(p^.resulttype)) or
 | |
|                    (p^.resulttype^.deftype=stringdef) then
 | |
|                    p^.resulttype:=booldef;
 | |
|                  if is_64bitint(p^.left^.resulttype) then
 | |
|                    p^.location.loc:=LOC_JUMP
 | |
|                  else
 | |
|                    p^.location.loc:=LOC_FLAGS;
 | |
|               end;
 | |
|             xorn:
 | |
|               begin
 | |
|                 if not assigned(p^.resulttype) then
 | |
|                   p^.resulttype:=p^.left^.resulttype;
 | |
|                  p^.location.loc:=LOC_REGISTER;
 | |
|               end;
 | |
|             addn:
 | |
|               begin
 | |
|                 if not assigned(p^.resulttype) then
 | |
|                  begin
 | |
|                  { for strings, return is always a 255 char string }
 | |
|                    if is_shortstring(p^.left^.resulttype) then
 | |
|                      p^.resulttype:=cshortstringdef
 | |
|                    else
 | |
|                     p^.resulttype:=p^.left^.resulttype;
 | |
|                  end;
 | |
|               end;
 | |
| {$ifdef cardinalmulfix}
 | |
|             muln:
 | |
|   { if we multiply an unsigned with a signed number, the result is signed  }
 | |
|   { in the other cases, the result remains signed or unsigned depending on }
 | |
|   { the multiplication factors (JM)                                        }
 | |
|               if (p^.left^.resulttype^.deftype = orddef) and
 | |
|                  (p^.right^.resulttype^.deftype = orddef) and
 | |
|                  is_signed(p^.right^.resulttype) then
 | |
|                 p^.resulttype := p^.right^.resulttype
 | |
|               else p^.resulttype := p^.left^.resulttype;
 | |
| (*
 | |
|             subn:
 | |
|  { if we substract a u32bit from a positive constant, the result becomes }
 | |
|  { s32bit as well (JM)                                                   }
 | |
|               begin
 | |
|                 if (p^.right^.resulttype^.deftype = orddef) and
 | |
|                    (p^.left^.resulttype^.deftype = orddef) and
 | |
|                    (porddef(p^.right^.resulttype)^.typ = u32bit) and
 | |
|                    is_constintnode(p^.left) and
 | |
| {                   (porddef(p^.left^.resulttype)^.typ <> u32bit) and}
 | |
|                    (p^.left^.value > 0) then
 | |
|                   begin
 | |
|                     p^.left := gentypeconvnode(p^.left,u32bitdef);
 | |
|                     firstpass(p^.left);
 | |
|                   end;
 | |
|                 p^.resulttype:=p^.left^.resulttype;
 | |
|               end;
 | |
| *)
 | |
| {$endif cardinalmulfix}
 | |
|             else
 | |
|               p^.resulttype:=p^.left^.resulttype;
 | |
|          end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
| end.
 | |
| {
 | |
|   $Log$
 | |
|   Revision 1.63  2000-01-07 01:14:43  peter
 | |
|     * updated copyright to 2000
 | |
| 
 | |
|   Revision 1.62  2000/01/04 20:10:20  florian
 | |
|     * mmx support fixed
 | |
| 
 | |
|   Revision 1.61  1999/12/11 18:53:31  jonas
 | |
|     * fixed type conversions of results of operations with cardinals
 | |
|       (between -dcardinalmulfix)
 | |
| 
 | |
|   Revision 1.60  1999/12/09 23:18:04  pierre
 | |
|    * no_fast_exit if procedure contains implicit termination code
 | |
| 
 | |
|   Revision 1.59  1999/12/01 12:42:33  peter
 | |
|     * fixed bug 698
 | |
|     * removed some notes about unused vars
 | |
| 
 | |
|   Revision 1.58  1999/11/30 10:40:56  peter
 | |
|     + ttype, tsymlist
 | |
| 
 | |
|   Revision 1.57  1999/11/26 13:51:29  pierre
 | |
|    * fix for overloading of shr shl mod and div
 | |
| 
 | |
|   Revision 1.56  1999/11/18 15:34:48  pierre
 | |
|     * Notes/Hints for local syms changed to
 | |
|       Set_varstate function
 | |
| 
 | |
|   Revision 1.55  1999/11/17 17:05:06  pierre
 | |
|    * Notes/hints changes
 | |
| 
 | |
|   Revision 1.54  1999/11/16 23:45:28  pierre
 | |
|    * global var token was changed by overload code (form bug 707)
 | |
| 
 | |
|   Revision 1.53  1999/11/15 21:53:42  peter
 | |
|     * fixed constant eval for bool xor/or/and bool
 | |
| 
 | |
|   Revision 1.52  1999/11/15 17:53:00  pierre
 | |
|     + one field added for ttoken record for operator
 | |
|       linking the id to the corresponding operator token that
 | |
|       can now now all be overloaded
 | |
|     * overloaded operators are resetted to nil in InitSymtable
 | |
|       (bug when trying to compile a uint that overloads operators twice)
 | |
| 
 | |
|   Revision 1.51  1999/11/06 14:34:29  peter
 | |
|     * truncated log to 20 revs
 | |
| 
 | |
|   Revision 1.50  1999/09/27 23:45:00  peter
 | |
|     * procinfo is now a pointer
 | |
|     * support for result setting in sub procedure
 | |
| 
 | |
|   Revision 1.49  1999/09/16 13:39:14  peter
 | |
|     * arrayconstructor 2 set conversion is now called always in the
 | |
|       beginning of firstadd
 | |
| 
 | |
|   Revision 1.48  1999/09/15 20:35:45  florian
 | |
|     * small fix to operator overloading when in MMX mode
 | |
|     + the compiler uses now fldz and fld1 if possible
 | |
|     + some fixes to floating point registers
 | |
|     + some math. functions (arctan, ln, sin, cos, sqrt, sqr, pi) are now inlined
 | |
|     * .... ???
 | |
| 
 | |
|   Revision 1.47  1999/09/13 16:28:05  peter
 | |
|     * typo in previous commit open_array -> chararray :(
 | |
| 
 | |
|   Revision 1.46  1999/09/10 15:40:46  peter
 | |
|     * fixed array check for operators, becuase array can also be a set
 | |
| 
 | |
|   Revision 1.45  1999/09/08 16:05:29  peter
 | |
|     * pointer add/sub is now as expected and the same results as inc/dec
 | |
| 
 | |
|   Revision 1.44  1999/09/07 07:52:19  peter
 | |
|     * > < >= <= support for boolean
 | |
|     * boolean constants are now calculated like integer constants
 | |
| 
 | |
|   Revision 1.43  1999/08/23 23:44:05  pierre
 | |
|    * setelementn registers32 corrected
 | |
| 
 | |
|   Revision 1.42  1999/08/07 11:29:27  peter
 | |
|     * better fix for muln register allocation
 | |
| 
 | |
|   Revision 1.41  1999/08/05 21:58:57  peter
 | |
|     * fixed register count ord*ord
 | |
| 
 | |
|   Revision 1.40  1999/08/04 13:03:13  jonas
 | |
|     * all tokens now start with an underscore
 | |
|     * PowerPC compiles!!
 | |
| 
 | |
|   Revision 1.39  1999/08/04 00:23:33  florian
 | |
|     * renamed i386asm and i386base to cpuasm and cpubase
 | |
| 
 | |
|   Revision 1.38  1999/08/03 22:03:24  peter
 | |
|     * moved bitmask constants to sets
 | |
|     * some other type/const renamings
 | |
| 
 | |
|   Revision 1.37  1999/07/16 10:04:37  peter
 | |
|     * merged
 | |
| 
 | |
|   Revision 1.36  1999/06/17 15:32:48  pierre
 | |
|    * merged from 0-99-12 branch
 | |
| 
 | |
|   Revision 1.34.2.3  1999/07/16 09:54:58  peter
 | |
|     * @procvar support in tp7 mode works again
 | |
| 
 | |
|   Revision 1.34.2.2  1999/06/17 15:25:07  pierre
 | |
|    * for arrays of char operators can not be overloaded
 | |
| 
 | |
|   Revision 1.35  1999/06/17 13:19:57  pierre
 | |
|    * merged from 0_99_12 branch
 | |
| 
 | |
|   Revision 1.34.2.1  1999/06/17 12:35:23  pierre
 | |
|    * allow array binary operator overloading if not with orddef
 | |
| 
 | |
|   Revision 1.34  1999/06/02 10:11:52  florian
 | |
|     * make cycle fixed i.e. compilation with 0.99.10
 | |
|     * some fixes for qword
 | |
|     * start of register calling conventions
 | |
| 
 | |
| }
 | 
