mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-17 03:19:33 +02:00

pointer, because that will force "value" to become unsigned, which result in errors in case of negative 64bit constants in case they are multiplied by the size of the pointed type in ncginl (the tconstexprint type operators have to handle positive and negative numbers differently) (mantis #17342) git-svn-id: trunk@15951 -
3227 lines
125 KiB
ObjectPascal
3227 lines
125 KiB
ObjectPascal
{
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Copyright (c) 1998-2007 by Florian Klaempfl
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Type checking and register allocation for inline nodes
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit ninl;
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{$i fpcdefs.inc}
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interface
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uses
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node,htypechk,cpuinfo,symtype;
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{$i compinnr.inc}
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type
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tinlinenode = class(tunarynode)
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inlinenumber : byte;
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constructor create(number : byte;is_const:boolean;l : tnode);virtual;
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constructor ppuload(t:tnodetype;ppufile:tcompilerppufile);override;
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procedure ppuwrite(ppufile:tcompilerppufile);override;
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function dogetcopy : tnode;override;
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function pass_1 : tnode;override;
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function pass_typecheck:tnode;override;
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function simplify: tnode;override;
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function docompare(p: tnode): boolean; override;
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{ pack and unpack are changed into for-loops by the compiler }
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function first_pack_unpack: tnode; virtual;
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{ All the following routines currently
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call compilerprocs, unless they are
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overriden in which case, the code
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generator handles them.
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}
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function first_pi: tnode ; virtual;
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function first_arctan_real: tnode; virtual;
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function first_abs_real: tnode; virtual;
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function first_sqr_real: tnode; virtual;
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function first_sqrt_real: tnode; virtual;
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function first_ln_real: tnode; virtual;
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function first_cos_real: tnode; virtual;
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function first_sin_real: tnode; virtual;
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function first_exp_real: tnode; virtual;
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function first_frac_real: tnode; virtual;
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function first_round_real: tnode; virtual;
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function first_trunc_real: tnode; virtual;
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function first_int_real: tnode; virtual;
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function first_abs_long: tnode; virtual;
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private
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function handle_str: tnode;
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function handle_reset_rewrite_typed: tnode;
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function handle_text_read_write(filepara,params:Ttertiarynode;var newstatement:Tnode):boolean;
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function handle_typed_read_write(filepara,params:Ttertiarynode;var newstatement:Tnode):boolean;
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function handle_read_write: tnode;
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function handle_val: tnode;
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end;
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tinlinenodeclass = class of tinlinenode;
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var
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cinlinenode : tinlinenodeclass;
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function geninlinenode(number : byte;is_const:boolean;l : tnode) : tinlinenode;
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implementation
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uses
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verbose,globals,systems,constexp,
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globtype, cutils,
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symconst,symdef,symsym,symtable,paramgr,defutil,
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pass_1,
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ncal,ncon,ncnv,nadd,nld,nbas,nflw,nmem,nmat,nutils,
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nobjc,objcdef,
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cgbase,procinfo
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;
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function geninlinenode(number : byte;is_const:boolean;l : tnode) : tinlinenode;
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begin
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geninlinenode:=cinlinenode.create(number,is_const,l);
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end;
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{*****************************************************************************
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TINLINENODE
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*****************************************************************************}
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constructor tinlinenode.create(number : byte;is_const:boolean;l : tnode);
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begin
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inherited create(inlinen,l);
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if is_const then
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include(flags,nf_inlineconst);
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inlinenumber:=number;
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end;
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constructor tinlinenode.ppuload(t:tnodetype;ppufile:tcompilerppufile);
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begin
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inherited ppuload(t,ppufile);
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inlinenumber:=ppufile.getbyte;
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end;
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procedure tinlinenode.ppuwrite(ppufile:tcompilerppufile);
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begin
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inherited ppuwrite(ppufile);
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ppufile.putbyte(inlinenumber);
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end;
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function tinlinenode.dogetcopy : tnode;
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var
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n : tinlinenode;
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begin
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n:=tinlinenode(inherited dogetcopy);
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n.inlinenumber:=inlinenumber;
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result:=n;
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end;
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function tinlinenode.handle_str : tnode;
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var
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lenpara,
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fracpara,
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newparas,
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tmppara,
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dest,
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source : tcallparanode;
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procname: string;
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is_real,is_enum : boolean;
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rt : aint;
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begin
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result := cerrornode.create;
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{ make sure we got at least two parameters (if we got only one, }
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{ this parameter may not be encapsulated in a callparan) }
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if not assigned(left) or
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(left.nodetype <> callparan) then
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begin
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CGMessage1(parser_e_wrong_parameter_size,'Str');
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exit;
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end;
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{ get destination string }
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dest := tcallparanode(left);
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{ get source para (number) }
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source := dest;
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while assigned(source.right) do
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source := tcallparanode(source.right);
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{ destination parameter must be a normal (not a colon) parameter, this
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check is needed because str(v:len) also has 2 parameters }
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if (source=dest) or
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(cpf_is_colon_para in tcallparanode(dest).callparaflags) then
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begin
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CGMessage1(parser_e_wrong_parameter_size,'Str');
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exit;
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end;
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is_real:=(source.resultdef.typ = floatdef) or is_currency(source.resultdef);
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is_enum:=source.left.resultdef.typ=enumdef;
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if ((dest.left.resultdef.typ<>stringdef) and
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not(is_chararray(dest.left.resultdef))) or
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not(is_real or is_enum or
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(source.left.resultdef.typ=orddef)) then
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begin
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CGMessagePos(fileinfo,parser_e_illegal_expression);
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exit;
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end;
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{ get len/frac parameters }
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lenpara := nil;
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fracpara := nil;
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if (cpf_is_colon_para in tcallparanode(dest.right).callparaflags) then
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begin
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lenpara := tcallparanode(dest.right);
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{ we can let the callnode do the type checking of these parameters too, }
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{ but then the error messages aren't as nice }
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if not is_integer(lenpara.resultdef) then
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begin
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CGMessagePos1(lenpara.fileinfo,
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type_e_integer_expr_expected,lenpara.resultdef.typename);
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exit;
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end;
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if (cpf_is_colon_para in tcallparanode(lenpara.right).callparaflags) then
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begin
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{ parameters are in reverse order! }
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fracpara := lenpara;
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lenpara := tcallparanode(lenpara.right);
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if not is_real then
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begin
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CGMessagePos(lenpara.fileinfo,parser_e_illegal_colon_qualifier);
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exit
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end;
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if not is_integer(lenpara.resultdef) then
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begin
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CGMessagePos1(lenpara.fileinfo,
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type_e_integer_expr_expected,lenpara.resultdef.typename);
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exit;
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end;
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end;
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end;
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{ generate the parameter list for the compilerproc }
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newparas := dest;
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{ if we have a float parameter, insert the realtype, len and fracpara parameters }
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if is_real then
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begin
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{ insert realtype parameter }
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if not is_currency(source.resultdef) then
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begin
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rt:=ord(tfloatdef(source.left.resultdef).floattype);
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newparas.right := ccallparanode.create(cordconstnode.create(
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rt,s32inttype,true),newparas.right);
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tmppara:=tcallparanode(newparas.right);
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end
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else
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tmppara:=newparas;
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{ if necessary, insert a fraction parameter }
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if not assigned(fracpara) then
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begin
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tmppara.right := ccallparanode.create(
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cordconstnode.create(int64(-1),s32inttype,false),
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tmppara.right);
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fracpara := tcallparanode(tmppara.right);
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end;
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{ if necessary, insert a length para }
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if not assigned(lenpara) then
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fracpara.right := ccallparanode.create(
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cordconstnode.create(int64(-32767),s32inttype,false),
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fracpara.right);
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end
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else if is_enum then
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begin
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{Insert a reference to the ord2string index.}
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newparas.right:=Ccallparanode.create(
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Caddrnode.create_internal(
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Crttinode.create(Tenumdef(source.left.resultdef),fullrtti,rdt_normal)
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),
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newparas.right);
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{Insert a reference to the typinfo.}
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newparas.right:=Ccallparanode.create(
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Caddrnode.create_internal(
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Crttinode.create(Tenumdef(source.left.resultdef),fullrtti,rdt_ord2str)
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),
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newparas.right);
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{Insert a type conversion from the enumeration to longint.}
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source.left:=Ctypeconvnode.create_internal(source.left,s32inttype);
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typecheckpass(source.left);
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{ if necessary, insert a length para }
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if not assigned(lenpara) then
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Tcallparanode(Tcallparanode(newparas.right).right).right:=
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Ccallparanode.create(
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cordconstnode.create(int64(-1),s32inttype,false),
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Tcallparanode(Tcallparanode(newparas.right).right).right
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);
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end
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else
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{ for a normal parameter, insert a only length parameter if one is missing }
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if not assigned(lenpara) then
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newparas.right := ccallparanode.create(cordconstnode.create(int64(-1),s32inttype,false),
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newparas.right);
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{ remove the parameters from the original node so they won't get disposed, }
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{ since they're reused }
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left := nil;
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{ create procedure name }
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if is_chararray(dest.resultdef) then
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procname:='fpc_chararray_'
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else
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procname := 'fpc_' + tstringdef(dest.resultdef).stringtypname+'_';
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if is_real then
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if is_currency(source.resultdef) then
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procname := procname + 'currency'
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else
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procname := procname + 'float'
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else if is_enum then
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procname:=procname+'enum'
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else
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case torddef(source.resultdef).ordtype of
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{$ifdef cpu64bitaddr}
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u64bit:
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procname := procname + 'uint';
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{$else}
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u32bit:
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procname := procname + 'uint';
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u64bit:
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procname := procname + 'qword';
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scurrency,
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s64bit:
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procname := procname + 'int64';
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{$endif}
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else
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procname := procname + 'sint';
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end;
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{ free the errornode we generated in the beginning }
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result.free;
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{ create the call node, }
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result := ccallnode.createintern(procname,newparas);
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end;
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function tinlinenode.handle_reset_rewrite_typed: tnode;
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begin
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{ since this is a "in_xxxx_typedfile" node, we can be sure we have }
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{ a typed file as argument and we don't have to check it again (JM) }
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{ add the recsize parameter }
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{ note: for some reason, the parameter of intern procedures with only one }
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{ parameter is gets lifted out of its original tcallparanode (see round }
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{ line 1306 of ncal.pas), so recreate a tcallparanode here (JM) }
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left := ccallparanode.create(cordconstnode.create(
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tfiledef(left.resultdef).typedfiledef.size,s32inttype,true),
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ccallparanode.create(left,nil));
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{ create the correct call }
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if m_iso in current_settings.modeswitches then
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begin
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if inlinenumber=in_reset_typedfile then
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result := ccallnode.createintern('fpc_reset_typed_iso',left)
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else
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result := ccallnode.createintern('fpc_rewrite_typed_iso',left);
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end
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else
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begin
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if inlinenumber=in_reset_typedfile then
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result := ccallnode.createintern('fpc_reset_typed',left)
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else
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result := ccallnode.createintern('fpc_rewrite_typed',left);
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end;
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{ make sure left doesn't get disposed, since we use it in the new call }
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left := nil;
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end;
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procedure maybe_convert_to_string(var n: tnode);
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begin
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{ stringconstnodes are arrays of char. It's much more }
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{ efficient to write a constant string, so convert }
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{ either to shortstring or ansistring depending on }
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{ length }
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if (n.nodetype=stringconstn) then
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if is_chararray(n.resultdef) then
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if (tstringconstnode(n).len<=255) then
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inserttypeconv(n,cshortstringtype)
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else
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inserttypeconv(n,cansistringtype)
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else if is_widechararray(n.resultdef) then
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inserttypeconv(n,cwidestringtype);
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end;
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function Tinlinenode.handle_text_read_write(filepara,params:Ttertiarynode;var newstatement:Tnode):boolean;
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{Read(ln)/write(ln) for text files.}
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const procprefixes:array[boolean] of string[15]=('fpc_write_text_','fpc_read_text_');
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var error_para,is_real,special_handling,found_error,do_read:boolean;
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p1:Tnode;
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nextpara,
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indexpara,
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lenpara,
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para,
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fracpara:Tcallparanode;
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temp:Ttempcreatenode;
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readfunctype:Tdef;
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name:string[63];
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begin
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para:=Tcallparanode(params);
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found_error:=false;
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do_read:=inlinenumber in [in_read_x,in_readln_x,in_readstr_x];
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while assigned(para) do
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begin
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{ is this parameter faulty? }
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error_para:=false;
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{ is this parameter a real? }
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is_real:=false;
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{ type used for the read(), this is used to check
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whether a temp is needed for range checking }
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readfunctype:=nil;
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{ can't read/write types }
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if (para.left.nodetype=typen) and not(ttypenode(para.left).typedef.typ=undefineddef) then
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begin
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CGMessagePos(para.fileinfo,type_e_cant_read_write_type);
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error_para := true;
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end;
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{ support writeln(procvar) }
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if para.left.resultdef.typ=procvardef then
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begin
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p1:=ccallnode.create_procvar(nil,para.left);
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typecheckpass(p1);
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para.left:=p1;
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end;
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if inlinenumber in [in_write_x,in_writeln_x] then
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{ prefer strings to chararrays }
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maybe_convert_to_string(para.left);
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case para.left.resultdef.typ of
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stringdef :
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name:=procprefixes[do_read]+tstringdef(para.left.resultdef).stringtypname;
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pointerdef :
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begin
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if (not is_pchar(para.left.resultdef)) or do_read then
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begin
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CGMessagePos(para.fileinfo,type_e_cant_read_write_type);
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error_para := true;
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end
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else
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name:=procprefixes[do_read]+'pchar_as_pointer';
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end;
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floatdef :
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begin
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is_real:=true;
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if Tfloatdef(para.left.resultdef).floattype=s64currency then
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name := procprefixes[do_read]+'currency'
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else
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begin
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name := procprefixes[do_read]+'float';
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readfunctype:=pbestrealtype^;
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end;
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end;
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enumdef:
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begin
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name:=procprefixes[do_read]+'enum';
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readfunctype:=s32inttype;
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end;
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orddef :
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begin
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case Torddef(para.left.resultdef).ordtype of
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{$ifdef cpu64bitaddr}
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s64bit,
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{$endif cpu64bitaddr}
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s8bit,
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s16bit,
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s32bit :
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begin
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name := procprefixes[do_read]+'sint';
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readfunctype:=sinttype;
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end;
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{$ifdef cpu64bitaddr}
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u64bit,
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{$endif cpu64bitaddr}
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u8bit,
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u16bit,
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u32bit :
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begin
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name := procprefixes[do_read]+'uint';
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readfunctype:=uinttype;
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end;
|
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uchar :
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begin
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name := procprefixes[do_read]+'char';
|
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{ iso pascal needs a different handler }
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if (m_iso in current_settings.modeswitches) and do_read then
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name:=name+'_iso';
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readfunctype:=cchartype;
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end;
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uwidechar :
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begin
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name := procprefixes[do_read]+'widechar';
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readfunctype:=cwidechartype;
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end;
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{$ifndef cpu64bitaddr}
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s64bit :
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begin
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name := procprefixes[do_read]+'int64';
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readfunctype:=s64inttype;
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end;
|
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u64bit :
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begin
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name := procprefixes[do_read]+'qword';
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readfunctype:=u64inttype;
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end;
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{$endif not cpu64bitaddr}
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scurrency:
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begin
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name := procprefixes[do_read]+'currency';
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readfunctype:=s64currencytype;
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is_real:=true;
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end;
|
|
pasbool,
|
|
bool8bit,
|
|
bool16bit,
|
|
bool32bit,
|
|
bool64bit:
|
|
if do_read then
|
|
begin
|
|
CGMessagePos(para.fileinfo,type_e_cant_read_write_type);
|
|
error_para := true;
|
|
end
|
|
else
|
|
begin
|
|
name := procprefixes[do_read]+'boolean';
|
|
readfunctype:=booltype;
|
|
end
|
|
else
|
|
begin
|
|
CGMessagePos(para.fileinfo,type_e_cant_read_write_type);
|
|
error_para := true;
|
|
end;
|
|
end;
|
|
end;
|
|
variantdef :
|
|
name:=procprefixes[do_read]+'variant';
|
|
arraydef :
|
|
begin
|
|
if is_chararray(para.left.resultdef) then
|
|
name := procprefixes[do_read]+'pchar_as_array'
|
|
else
|
|
begin
|
|
CGMessagePos(para.fileinfo,type_e_cant_read_write_type);
|
|
error_para := true;
|
|
end
|
|
end;
|
|
{ generic parameter }
|
|
undefineddef:
|
|
{ don't try to generate any code for a writeln on a generic parameter }
|
|
error_para:=true;
|
|
else
|
|
begin
|
|
CGMessagePos(para.fileinfo,type_e_cant_read_write_type);
|
|
error_para := true;
|
|
end;
|
|
end;
|
|
|
|
{ iso pascal needs a different handler }
|
|
if (m_iso in current_settings.modeswitches) and not(do_read) then
|
|
name:=name+'_iso';
|
|
|
|
{ check for length/fractional colon para's }
|
|
fracpara:=nil;
|
|
lenpara:=nil;
|
|
indexpara:=nil;
|
|
if assigned(para.right) and
|
|
(cpf_is_colon_para in tcallparanode(para.right).callparaflags) then
|
|
begin
|
|
lenpara := tcallparanode(para.right);
|
|
if assigned(lenpara.right) and
|
|
(cpf_is_colon_para in tcallparanode(lenpara.right).callparaflags) then
|
|
fracpara:=tcallparanode(lenpara.right);
|
|
end;
|
|
{ get the next parameter now already, because we're going }
|
|
{ to muck around with the pointers }
|
|
if assigned(fracpara) then
|
|
nextpara := tcallparanode(fracpara.right)
|
|
else if assigned(lenpara) then
|
|
nextpara := tcallparanode(lenpara.right)
|
|
else
|
|
nextpara := tcallparanode(para.right);
|
|
|
|
{ check if a fracpara is allowed }
|
|
if assigned(fracpara) and not is_real then
|
|
begin
|
|
CGMessagePos(fracpara.fileinfo,parser_e_illegal_colon_qualifier);
|
|
error_para := true;
|
|
end
|
|
else if assigned(lenpara) and do_read then
|
|
begin
|
|
{ I think this is already filtered out by parsing, but I'm not sure (JM) }
|
|
CGMessagePos(lenpara.fileinfo,parser_e_illegal_colon_qualifier);
|
|
error_para := true;
|
|
end;
|
|
|
|
{ adjust found_error }
|
|
found_error := found_error or error_para;
|
|
|
|
if not error_para then
|
|
begin
|
|
special_handling:=false;
|
|
{ create dummy frac/len para's if necessary }
|
|
if not do_read then
|
|
begin
|
|
{ difference in default value for floats and the rest :( }
|
|
if not is_real then
|
|
begin
|
|
if not assigned(lenpara) then
|
|
begin
|
|
if m_iso in current_settings.modeswitches then
|
|
lenpara := ccallparanode.create(
|
|
cordconstnode.create(-1,s32inttype,false),nil)
|
|
else
|
|
lenpara := ccallparanode.create(
|
|
cordconstnode.create(0,s32inttype,false),nil);
|
|
end
|
|
else
|
|
{ make sure we don't pass the successive }
|
|
{ parameters too. We also already have a }
|
|
{ reference to the next parameter in }
|
|
{ nextpara }
|
|
lenpara.right := nil;
|
|
end
|
|
else
|
|
begin
|
|
if not assigned(lenpara) then
|
|
lenpara := ccallparanode.create(
|
|
cordconstnode.create(int64(-32767),s32inttype,false),nil);
|
|
{ also create a default fracpara if necessary }
|
|
if not assigned(fracpara) then
|
|
fracpara := ccallparanode.create(
|
|
cordconstnode.create(int64(-1),s32inttype,false),nil);
|
|
{ add it to the lenpara }
|
|
lenpara.right := fracpara;
|
|
if not is_currency(para.left.resultdef) then
|
|
begin
|
|
{ and add the realtype para (this also removes the link }
|
|
{ to any parameters coming after it) }
|
|
fracpara.right := ccallparanode.create(
|
|
cordconstnode.create(ord(tfloatdef(para.left.resultdef).floattype),
|
|
s32inttype,true),nil);
|
|
end
|
|
else
|
|
fracpara.right:=nil;
|
|
end;
|
|
if para.left.resultdef.typ=enumdef then
|
|
begin
|
|
{To write(ln) an enum we need a some extra parameters.}
|
|
{Insert a reference to the ord2string index.}
|
|
indexpara:=Ccallparanode.create(
|
|
Caddrnode.create_internal(
|
|
Crttinode.create(Tenumdef(para.left.resultdef),fullrtti,rdt_normal)
|
|
),
|
|
nil);
|
|
{Insert a reference to the typinfo.}
|
|
indexpara:=Ccallparanode.create(
|
|
Caddrnode.create_internal(
|
|
Crttinode.create(Tenumdef(para.left.resultdef),fullrtti,rdt_ord2str)
|
|
),
|
|
indexpara);
|
|
{Insert a type conversion to to convert the enum to longint.}
|
|
para.left:=Ctypeconvnode.create_internal(para.left,s32inttype);
|
|
typecheckpass(para.left);
|
|
end;
|
|
end
|
|
else
|
|
begin
|
|
{To read(ln) an enum we need a an extra parameter.}
|
|
if para.left.resultdef.typ=enumdef then
|
|
begin
|
|
{Insert a reference to the string2ord index.}
|
|
indexpara:=Ccallparanode.create(Caddrnode.create_internal(
|
|
Crttinode.create(Tenumdef(para.left.resultdef),fullrtti,rdt_str2ord)
|
|
),nil);
|
|
{Insert a type conversion to to convert the enum to longint.}
|
|
para.left:=Ctypeconvnode.create_internal(para.left,s32inttype);
|
|
typecheckpass(para.left);
|
|
end;
|
|
{ special handling of reading small numbers, because the helpers }
|
|
{ expect a longint/card/bestreal var parameter. Use a temp. can't }
|
|
{ use functions because then the call to FPC_IOCHECK destroys }
|
|
{ their result before we can store it }
|
|
if (readfunctype<>nil) and (para.left.resultdef<>readfunctype) then
|
|
special_handling:=true;
|
|
end;
|
|
if special_handling then
|
|
begin
|
|
{ since we're not going to pass the parameter as var-parameter }
|
|
{ to the read function, manually check whether the parameter }
|
|
{ can be used as var-parameter (e.g., whether it isn't a }
|
|
{ property) }
|
|
valid_for_var(para.left,true);
|
|
|
|
{ create the parameter list: the temp ... }
|
|
temp := ctempcreatenode.create(readfunctype,readfunctype.size,tt_persistent,false);
|
|
addstatement(Tstatementnode(newstatement),temp);
|
|
|
|
{ ... and the file }
|
|
p1 := ccallparanode.create(ctemprefnode.create(temp),
|
|
filepara.getcopy);
|
|
Tcallparanode(Tcallparanode(p1).right).right:=indexpara;
|
|
|
|
{ create the call to the helper }
|
|
addstatement(Tstatementnode(newstatement),
|
|
ccallnode.createintern(name,tcallparanode(p1)));
|
|
|
|
{ assign the result to the original var (this automatically }
|
|
{ takes care of range checking) }
|
|
addstatement(Tstatementnode(newstatement),
|
|
cassignmentnode.create(para.left,
|
|
ctemprefnode.create(temp)));
|
|
|
|
{ release the temp location }
|
|
addstatement(Tstatementnode(newstatement),ctempdeletenode.create(temp));
|
|
|
|
{ statement of para is used }
|
|
para.left := nil;
|
|
|
|
{ free the enclosing tcallparanode, but not the }
|
|
{ parameters coming after it }
|
|
para.right := nil;
|
|
para.free;
|
|
end
|
|
else
|
|
{ read of non s/u-8/16bit, or a write }
|
|
begin
|
|
{ add the filepara to the current parameter }
|
|
para.right := filepara.getcopy;
|
|
{Add the lenpara and the indexpara(s) (fracpara and realtype are
|
|
already linked with the lenpara if necessary).}
|
|
if indexpara=nil then
|
|
Tcallparanode(para.right).right:=lenpara
|
|
else
|
|
begin
|
|
if lenpara=nil then
|
|
Tcallparanode(para.right).right:=indexpara
|
|
else
|
|
begin
|
|
Tcallparanode(para.right).right:=lenpara;
|
|
lenpara.right:=indexpara;
|
|
end;
|
|
{ indexpara.right:=lenpara;}
|
|
end;
|
|
{ in case of writing a chararray, add whether it's }
|
|
{ zero-based }
|
|
if para.left.resultdef.typ=arraydef then
|
|
para := ccallparanode.create(cordconstnode.create(
|
|
ord(tarraydef(para.left.resultdef).lowrange=0),booltype,false),para);
|
|
{ create the call statement }
|
|
addstatement(Tstatementnode(newstatement),
|
|
ccallnode.createintern(name,para));
|
|
end
|
|
end
|
|
else
|
|
{ error_para = true }
|
|
begin
|
|
{ free the parameter, since it isn't referenced anywhere anymore }
|
|
para.right := nil;
|
|
para.free;
|
|
if assigned(lenpara) then
|
|
begin
|
|
lenpara.right := nil;
|
|
lenpara.free;
|
|
end;
|
|
if assigned(fracpara) then
|
|
begin
|
|
fracpara.right := nil;
|
|
fracpara.free;
|
|
end;
|
|
end;
|
|
|
|
{ process next parameter }
|
|
para := nextpara;
|
|
end;
|
|
|
|
{ if no error, add the write(ln)/read(ln) end calls }
|
|
if not found_error then
|
|
begin
|
|
case inlinenumber of
|
|
in_read_x,
|
|
in_readstr_x:
|
|
name:='fpc_read_end';
|
|
in_write_x,
|
|
in_writestr_x:
|
|
name:='fpc_write_end';
|
|
in_readln_x:
|
|
begin
|
|
name:='fpc_readln_end';
|
|
if m_iso in current_settings.modeswitches then
|
|
name:=name+'_iso';
|
|
end;
|
|
in_writeln_x:
|
|
name:='fpc_writeln_end';
|
|
end;
|
|
addstatement(Tstatementnode(newstatement),ccallnode.createintern(name,filepara));
|
|
end;
|
|
handle_text_read_write:=found_error;
|
|
end;
|
|
|
|
function Tinlinenode.handle_typed_read_write(filepara,params:Ttertiarynode;var newstatement:Tnode):boolean;
|
|
|
|
{Read/write for typed files.}
|
|
|
|
const procprefixes:array[boolean] of string[15]=('fpc_typed_write','fpc_typed_read');
|
|
procnamesdisplay:array[boolean,boolean] of string[8] = (('Write','Read'),('WriteStr','ReadStr'));
|
|
|
|
var found_error,do_read,is_rwstr:boolean;
|
|
para,nextpara:Tcallparanode;
|
|
p1:Tnode;
|
|
temp:Ttempcreatenode;
|
|
begin
|
|
found_error:=false;
|
|
para:=Tcallparanode(params);
|
|
do_read:=inlinenumber in [in_read_x,in_readln_x,in_readstr_x];
|
|
is_rwstr := inlinenumber in [in_readstr_x,in_writestr_x];
|
|
{ add the typesize to the filepara }
|
|
if filepara.resultdef.typ=filedef then
|
|
filepara.right := ccallparanode.create(cordconstnode.create(
|
|
tfiledef(filepara.resultdef).typedfiledef.size,s32inttype,true),nil);
|
|
|
|
{ check for "no parameters" (you need at least one extra para for typed files) }
|
|
if not assigned(para) then
|
|
begin
|
|
CGMessage1(parser_e_wrong_parameter_size,procnamesdisplay[is_rwstr,do_read]);
|
|
found_error := true;
|
|
end;
|
|
|
|
{ process all parameters }
|
|
while assigned(para) do
|
|
begin
|
|
{ check if valid parameter }
|
|
if para.left.nodetype=typen then
|
|
begin
|
|
CGMessagePos(para.left.fileinfo,type_e_cant_read_write_type);
|
|
found_error := true;
|
|
end;
|
|
|
|
{ support writeln(procvar) }
|
|
if (para.left.resultdef.typ=procvardef) then
|
|
begin
|
|
p1:=ccallnode.create_procvar(nil,para.left);
|
|
typecheckpass(p1);
|
|
para.left:=p1;
|
|
end;
|
|
|
|
if filepara.resultdef.typ=filedef then
|
|
inserttypeconv(para.left,tfiledef(filepara.resultdef).typedfiledef);
|
|
|
|
if assigned(para.right) and
|
|
(cpf_is_colon_para in tcallparanode(para.right).callparaflags) then
|
|
begin
|
|
CGMessagePos(para.right.fileinfo,parser_e_illegal_colon_qualifier);
|
|
|
|
{ skip all colon para's }
|
|
nextpara := tcallparanode(tcallparanode(para.right).right);
|
|
while assigned(nextpara) and (cpf_is_colon_para in nextpara.callparaflags) do
|
|
nextpara := tcallparanode(nextpara.right);
|
|
found_error := true;
|
|
end
|
|
else
|
|
{ get next parameter }
|
|
nextpara := tcallparanode(para.right);
|
|
|
|
{ When we have a call, we have a problem: you can't pass the }
|
|
{ result of a call as a formal const parameter. Solution: }
|
|
{ assign the result to a temp and pass this temp as parameter }
|
|
{ This is not very efficient, but write(typedfile,x) is }
|
|
{ already slow by itself anyway (no buffering) (JM) }
|
|
{ Actually, thge same goes for every non-simple expression }
|
|
{ (such as an addition, ...) -> put everything but load nodes }
|
|
{ into temps (JM) }
|
|
{ of course, this must only be allowed for writes!!! (JM) }
|
|
if not(do_read) and (para.left.nodetype <> loadn) then
|
|
begin
|
|
{ create temp for result }
|
|
temp := ctempcreatenode.create(para.left.resultdef,
|
|
para.left.resultdef.size,tt_persistent,false);
|
|
addstatement(Tstatementnode(newstatement),temp);
|
|
{ assign result to temp }
|
|
addstatement(Tstatementnode(newstatement),
|
|
cassignmentnode.create(ctemprefnode.create(temp),
|
|
para.left));
|
|
{ replace (reused) paranode with temp }
|
|
para.left := ctemprefnode.create(temp);
|
|
end;
|
|
{ add fileparameter }
|
|
para.right := filepara.getcopy;
|
|
|
|
{ create call statment }
|
|
{ since the parameters are in the correct order, we have to insert }
|
|
{ the statements always at the end of the current block }
|
|
addstatement(Tstatementnode(newstatement),
|
|
Ccallnode.createintern(procprefixes[do_read],para
|
|
));
|
|
|
|
{ if we used a temp, free it }
|
|
if para.left.nodetype = temprefn then
|
|
addstatement(Tstatementnode(newstatement),ctempdeletenode.create(temp));
|
|
|
|
{ process next parameter }
|
|
para := nextpara;
|
|
end;
|
|
|
|
{ free the file parameter }
|
|
filepara.free;
|
|
handle_typed_read_write:=found_error;
|
|
end;
|
|
|
|
function tinlinenode.handle_read_write: tnode;
|
|
|
|
var
|
|
filepara,
|
|
nextpara,
|
|
params : tcallparanode;
|
|
newstatement : tstatementnode;
|
|
newblock : tblocknode;
|
|
filetemp : Ttempcreatenode;
|
|
name : string[31];
|
|
textsym : ttypesym;
|
|
is_typed,
|
|
do_read,
|
|
is_rwstr,
|
|
found_error : boolean;
|
|
begin
|
|
filepara := nil;
|
|
is_typed := false;
|
|
filetemp := nil;
|
|
do_read := inlinenumber in [in_read_x,in_readln_x,in_readstr_x];
|
|
is_rwstr := inlinenumber in [in_readstr_x,in_writestr_x];
|
|
|
|
{ if we fail, we can quickly exit this way. We must generate something }
|
|
{ instead of the inline node, because firstpass will bomb with an }
|
|
{ internalerror if it encounters a read/write }
|
|
result := cerrornode.create;
|
|
|
|
{ reverse the parameters (needed to get the colon parameters in the }
|
|
{ correct order when processing write(ln) }
|
|
left := reverseparameters(tcallparanode(left));
|
|
|
|
if is_rwstr then
|
|
begin
|
|
filepara := tcallparanode(left);
|
|
{ needs at least two parameters: source/dest string + min. 1 value }
|
|
if not(assigned(filepara)) or
|
|
not(assigned(filepara.right)) then
|
|
begin
|
|
CGMessagePos1(fileinfo,parser_e_wrong_parameter_size,'ReadStr/WriteStr');
|
|
exit;
|
|
end
|
|
else if (filepara.resultdef.typ <> stringdef) then
|
|
begin
|
|
{ convert chararray to string, or give an appropriate error message }
|
|
{ (if you want to optimize to use shortstring, keep in mind that }
|
|
{ readstr internally always uses ansistring, and to account for }
|
|
{ chararrays with > 255 characters) }
|
|
inserttypeconv(filepara.left,cansistringtype);
|
|
filepara.resultdef:=filepara.left.resultdef;
|
|
if codegenerror then
|
|
exit;
|
|
end
|
|
end
|
|
else if assigned(left) then
|
|
begin
|
|
{ check if we have a file parameter and if yes, what kind it is }
|
|
filepara := tcallparanode(left);
|
|
|
|
if (filepara.resultdef.typ=filedef) then
|
|
begin
|
|
if (tfiledef(filepara.resultdef).filetyp=ft_untyped) then
|
|
begin
|
|
CGMessagePos(fileinfo,type_e_no_read_write_for_untyped_file);
|
|
exit;
|
|
end
|
|
else
|
|
begin
|
|
if (tfiledef(filepara.resultdef).filetyp=ft_typed) then
|
|
begin
|
|
if (inlinenumber in [in_readln_x,in_writeln_x]) then
|
|
begin
|
|
CGMessagePos(fileinfo,type_e_no_readln_writeln_for_typed_file);
|
|
exit;
|
|
end;
|
|
is_typed := true;
|
|
end
|
|
end;
|
|
end
|
|
else
|
|
filepara := nil;
|
|
end;
|
|
|
|
{ create a blocknode in which the successive write/read statements will be }
|
|
{ put, since they belong together. Also create a dummy statement already to }
|
|
{ make inserting of additional statements easier }
|
|
newblock:=internalstatements(newstatement);
|
|
|
|
{ if we don't have a filepara, create one containing the default }
|
|
if not assigned(filepara) or
|
|
is_rwstr then
|
|
begin
|
|
{ since the input/output variables are threadvars loading them into
|
|
a temp once is faster. Create a temp which will hold a pointer to the file }
|
|
filetemp := ctempcreatenode.create(voidpointertype,voidpointertype.size,tt_persistent,true);
|
|
addstatement(newstatement,filetemp);
|
|
|
|
{ make sure the resultdef of the temp (and as such of the }
|
|
{ temprefs coming after it) is set (necessary because the }
|
|
{ temprefs will be part of the filepara, of which we need }
|
|
{ the resultdef later on and temprefs can only be }
|
|
{ typecheckpassed if the resultdef of the temp is known) }
|
|
typecheckpass(tnode(filetemp));
|
|
|
|
if not is_rwstr then
|
|
begin
|
|
{ assign the address of the file to the temp }
|
|
if do_read then
|
|
name := 'input'
|
|
else
|
|
name := 'output';
|
|
addstatement(newstatement,
|
|
cassignmentnode.create(ctemprefnode.create(filetemp),
|
|
ccallnode.createintern('fpc_get_'+name,nil)));
|
|
end
|
|
else
|
|
begin
|
|
if (do_read) then
|
|
name := 'fpc_setupreadstr_'
|
|
else
|
|
name := 'fpc_setupwritestr_';
|
|
name:=name+tstringdef(filepara.resultdef).stringtypname;
|
|
{ remove the source/destination string parameter from the }
|
|
{ parameter chain }
|
|
left:=filepara.right;
|
|
filepara.right:=nil;
|
|
{ pass the source/destination string to the setup routine, which }
|
|
{ will store the string's address in the returned textrec }
|
|
addstatement(newstatement,
|
|
cassignmentnode.create(ctemprefnode.create(filetemp),
|
|
ccallnode.createintern(name,filepara)));
|
|
end;
|
|
|
|
{ create a new fileparameter as follows: file_type(temp^) }
|
|
{ (so that we pass the value and not the address of the temp }
|
|
{ to the read/write routine) }
|
|
textsym:=search_system_type('TEXT');
|
|
filepara := ccallparanode.create(ctypeconvnode.create_internal(
|
|
cderefnode.create(ctemprefnode.create(filetemp)),textsym.typedef),nil);
|
|
end
|
|
else
|
|
{ remove filepara from the parameter chain }
|
|
begin
|
|
left := filepara.right;
|
|
filepara.right := nil;
|
|
{ the file para is a var parameter, but it must be valid already }
|
|
set_varstate(filepara.left,vs_readwritten,[vsf_must_be_valid]);
|
|
{ check if we should make a temp to store the result of a complex }
|
|
{ expression (better heuristics, anyone?) (JM) }
|
|
if (filepara.left.nodetype <> loadn) then
|
|
begin
|
|
{ create a temp which will hold a pointer to the file }
|
|
filetemp := ctempcreatenode.create(voidpointertype,voidpointertype.size,tt_persistent,true);
|
|
|
|
{ add it to the statements }
|
|
addstatement(newstatement,filetemp);
|
|
|
|
{ make sure the resultdef of the temp (and as such of the }
|
|
{ temprefs coming after it) is set (necessary because the }
|
|
{ temprefs will be part of the filepara, of which we need }
|
|
{ the resultdef later on and temprefs can only be }
|
|
{ typecheckpassed if the resultdef of the temp is known) }
|
|
typecheckpass(tnode(filetemp));
|
|
|
|
{ assign the address of the file to the temp }
|
|
addstatement(newstatement,
|
|
cassignmentnode.create(ctemprefnode.create(filetemp),
|
|
caddrnode.create_internal(filepara.left)));
|
|
typecheckpass(newstatement.left);
|
|
{ create a new fileparameter as follows: file_type(temp^) }
|
|
{ (so that we pass the value and not the address of the temp }
|
|
{ to the read/write routine) }
|
|
nextpara := ccallparanode.create(ctypeconvnode.create_internal(
|
|
cderefnode.create(ctemprefnode.create(filetemp)),filepara.left.resultdef),nil);
|
|
|
|
{ replace the old file para with the new one }
|
|
filepara.left := nil;
|
|
filepara.free;
|
|
filepara := nextpara;
|
|
end;
|
|
end;
|
|
|
|
{ the resultdef of the filepara must be set since it's }
|
|
{ used below }
|
|
filepara.get_paratype;
|
|
|
|
{ now, filepara is nowhere referenced anymore, so we can safely dispose it }
|
|
{ if something goes wrong or at the end of the procedure }
|
|
|
|
{ we're going to reuse the paranodes, so make sure they don't get freed }
|
|
{ twice }
|
|
params:=Tcallparanode(left);
|
|
left := nil;
|
|
|
|
if is_typed then
|
|
found_error:=handle_typed_read_write(filepara,Ttertiarynode(params),tnode(newstatement))
|
|
else
|
|
found_error:=handle_text_read_write(filepara,Ttertiarynode(params),tnode(newstatement));
|
|
|
|
{ if we found an error, simply delete the generated blocknode }
|
|
if found_error then
|
|
newblock.free
|
|
else
|
|
begin
|
|
{ deallocate the temp for the file para if we used one }
|
|
if assigned(filetemp) then
|
|
addstatement(newstatement,ctempdeletenode.create(filetemp));
|
|
{ otherwise return the newly generated block of instructions, }
|
|
{ but first free the errornode we generated at the beginning }
|
|
result.free;
|
|
result := newblock
|
|
end;
|
|
end;
|
|
|
|
|
|
function tinlinenode.handle_val: tnode;
|
|
var
|
|
procname,
|
|
suffix : string[31];
|
|
sourcepara,
|
|
destpara,
|
|
codepara,
|
|
sizepara,
|
|
newparas : tcallparanode;
|
|
orgcode,tc : tnode;
|
|
newstatement : tstatementnode;
|
|
newblock : tblocknode;
|
|
tempcode : ttempcreatenode;
|
|
begin
|
|
{ for easy exiting if something goes wrong }
|
|
result := cerrornode.create;
|
|
|
|
{ check the amount of parameters }
|
|
if not(assigned(left)) or
|
|
not(assigned(tcallparanode(left).right)) then
|
|
begin
|
|
CGMessage1(parser_e_wrong_parameter_size,'Val');
|
|
exit;
|
|
end;
|
|
|
|
{ reverse parameters for easier processing }
|
|
left := reverseparameters(tcallparanode(left));
|
|
|
|
{ get the parameters }
|
|
tempcode := nil;
|
|
orgcode := nil;
|
|
sizepara := nil;
|
|
sourcepara := tcallparanode(left);
|
|
destpara := tcallparanode(sourcepara.right);
|
|
codepara := tcallparanode(destpara.right);
|
|
|
|
{ check if codepara is valid }
|
|
if assigned(codepara) and
|
|
(
|
|
not is_integer(codepara.resultdef)
|
|
{$ifndef cpu64bitaddr}
|
|
or is_64bitint(codepara.resultdef)
|
|
{$endif not cpu64bitaddr}
|
|
) then
|
|
begin
|
|
CGMessagePos1(codepara.fileinfo,type_e_integer_expr_expected,codepara.resultdef.typename);
|
|
exit;
|
|
end;
|
|
|
|
{ check if dest para is valid }
|
|
if not is_integer(destpara.resultdef) and
|
|
not is_currency(destpara.resultdef) and
|
|
not(destpara.resultdef.typ in [floatdef,enumdef]) then
|
|
begin
|
|
CGMessagePos(destpara.fileinfo,type_e_integer_or_real_expr_expected);
|
|
exit;
|
|
end;
|
|
|
|
{ we're going to reuse the exisiting para's, so make sure they }
|
|
{ won't be disposed }
|
|
left := nil;
|
|
|
|
{ create the blocknode which will hold the generated statements + }
|
|
{ an initial dummy statement }
|
|
|
|
newblock:=internalstatements(newstatement);
|
|
|
|
{ do we need a temp for code? Yes, if no code specified, or if }
|
|
{ code is not a 32bit parameter (we already checked whether the }
|
|
{ the code para, if specified, was an orddef) }
|
|
if not assigned(codepara) or
|
|
(codepara.resultdef.size<>sinttype.size) then
|
|
begin
|
|
tempcode := ctempcreatenode.create(sinttype,sinttype.size,tt_persistent,false);
|
|
addstatement(newstatement,tempcode);
|
|
{ set the resultdef of the temp (needed to be able to get }
|
|
{ the resultdef of the tempref used in the new code para) }
|
|
typecheckpass(tnode(tempcode));
|
|
{ create a temp codepara, but save the original code para to }
|
|
{ assign the result to later on }
|
|
if assigned(codepara) then
|
|
begin
|
|
orgcode := codepara.left;
|
|
codepara.left := ctemprefnode.create(tempcode);
|
|
end
|
|
else
|
|
codepara := ccallparanode.create(ctemprefnode.create(tempcode),nil);
|
|
{ we need its resultdef later on }
|
|
codepara.get_paratype;
|
|
end
|
|
else if (torddef(codepara.resultdef).ordtype = torddef(sinttype).ordtype) then
|
|
{ because code is a var parameter, it must match types exactly }
|
|
{ however, since it will return values in [0..255], both longints }
|
|
{ and cardinals are fine. Since the formal code para type is }
|
|
{ longint, insert a typecoversion to longint for cardinal para's }
|
|
begin
|
|
codepara.left := ctypeconvnode.create_internal(codepara.left,sinttype);
|
|
{ make it explicit, oterwise you may get a nonsense range }
|
|
{ check error if the cardinal already contained a value }
|
|
{ > $7fffffff }
|
|
codepara.get_paratype;
|
|
end;
|
|
|
|
{ create the procedure name }
|
|
procname := 'fpc_val_';
|
|
|
|
case destpara.resultdef.typ of
|
|
orddef:
|
|
begin
|
|
case torddef(destpara.resultdef).ordtype of
|
|
{$ifdef cpu64bitaddr}
|
|
s64bit,
|
|
{$endif cpu64bitaddr}
|
|
s8bit,
|
|
s16bit,
|
|
s32bit:
|
|
begin
|
|
suffix := 'sint_';
|
|
{ we also need a destsize para in this case }
|
|
sizepara := ccallparanode.create(cordconstnode.create
|
|
(destpara.resultdef.size,s32inttype,true),nil);
|
|
end;
|
|
{$ifdef cpu64bitaddr}
|
|
u64bit,
|
|
{$endif cpu64bitaddr}
|
|
u8bit,
|
|
u16bit,
|
|
u32bit:
|
|
suffix := 'uint_';
|
|
{$ifndef cpu64bitaddr}
|
|
s64bit: suffix := 'int64_';
|
|
u64bit: suffix := 'qword_';
|
|
{$endif not cpu64bitaddr}
|
|
scurrency: suffix := 'currency_';
|
|
else
|
|
internalerror(200304225);
|
|
end;
|
|
end;
|
|
floatdef:
|
|
suffix:='real_';
|
|
enumdef:
|
|
begin
|
|
suffix:='enum_';
|
|
sizepara:=Ccallparanode.create(Caddrnode.create_internal(
|
|
Crttinode.create(Tenumdef(destpara.resultdef),fullrtti,rdt_str2ord)
|
|
),nil);
|
|
end;
|
|
end;
|
|
|
|
procname := procname + suffix;
|
|
|
|
{ play a trick to have tcallnode handle invalid source parameters: }
|
|
{ the shortstring-longint val routine by default }
|
|
if (sourcepara.resultdef.typ = stringdef) then
|
|
procname := procname + tstringdef(sourcepara.resultdef).stringtypname
|
|
{ zero-based arrays (of char) can be implicitely converted to ansistring }
|
|
else if is_zero_based_array(sourcepara.resultdef) then
|
|
procname := procname + 'ansistr'
|
|
else
|
|
procname := procname + 'shortstr';
|
|
|
|
{ set up the correct parameters for the call: the code para... }
|
|
newparas := codepara;
|
|
{ and the source para }
|
|
codepara.right := sourcepara;
|
|
{ sizepara either contains nil if none is needed (which is ok, since }
|
|
{ then the next statement severes any possible links with other paras }
|
|
{ that sourcepara may have) or it contains the necessary size para and }
|
|
{ its right field is nil }
|
|
sourcepara.right := sizepara;
|
|
|
|
{ create the call and assign the result to dest (val helpers are functions).
|
|
Use a trick to prevent a type size mismatch warning to be generated by the
|
|
assignment node. First convert implicitly to the resultdef. This will insert
|
|
the range check. The Second conversion is done explicitly to hide the implicit conversion
|
|
for the assignment node and therefor preventing the warning (PFV)
|
|
|
|
The implicit conversion is avoided for enums because implicit conversion between
|
|
longint (which is what fpc_val_enum_shortstr returns) and enumerations is not
|
|
possible. (DM).
|
|
|
|
The implicit conversion is also avoided for COMP type if it is handled by FPU (x86)
|
|
to prevent warning about automatic type conversion. }
|
|
if (destpara.resultdef.typ=enumdef) or
|
|
((destpara.resultdef.typ=floatdef) and (tfloatdef(destpara.resultdef).floattype=s64comp))
|
|
then
|
|
tc:=ccallnode.createintern(procname,newparas)
|
|
else
|
|
tc:=ctypeconvnode.create(ccallnode.createintern(procname,newparas),destpara.left.resultdef);
|
|
addstatement(newstatement,cassignmentnode.create(
|
|
destpara.left,ctypeconvnode.create_internal(tc,destpara.left.resultdef)));
|
|
|
|
{ dispose of the enclosing paranode of the destination }
|
|
destpara.left := nil;
|
|
destpara.right := nil;
|
|
destpara.free;
|
|
|
|
{ check if we used a temp for code and whether we have to store }
|
|
{ it to the real code parameter }
|
|
if assigned(orgcode) then
|
|
addstatement(newstatement,cassignmentnode.create(
|
|
orgcode,
|
|
ctypeconvnode.create_internal(
|
|
ctemprefnode.create(tempcode),orgcode.resultdef)));
|
|
|
|
{ release the temp if we allocated one }
|
|
if assigned(tempcode) then
|
|
addstatement(newstatement,ctempdeletenode.create(tempcode));
|
|
|
|
{ free the errornode }
|
|
result.free;
|
|
{ and return it }
|
|
result := newblock;
|
|
end;
|
|
|
|
{$maxfpuregisters 0}
|
|
|
|
function getpi : bestreal;
|
|
begin
|
|
{$ifdef x86}
|
|
{ x86 has pi in hardware }
|
|
result:=pi;
|
|
{$else x86}
|
|
{$ifdef cpuextended}
|
|
result:=MathPiExtended.Value;
|
|
{$else cpuextended}
|
|
result:=MathPi.Value;
|
|
{$endif cpuextended}
|
|
{$endif x86}
|
|
end;
|
|
|
|
|
|
function tinlinenode.simplify: tnode;
|
|
|
|
function do_lowhigh(def:tdef) : tnode;
|
|
var
|
|
v : tconstexprint;
|
|
enum : tenumsym;
|
|
hp : tnode;
|
|
i : integer;
|
|
begin
|
|
case def.typ of
|
|
orddef:
|
|
begin
|
|
set_varstate(left,vs_read,[]);
|
|
if inlinenumber=in_low_x then
|
|
v:=torddef(def).low
|
|
else
|
|
v:=torddef(def).high;
|
|
hp:=cordconstnode.create(v,def,true);
|
|
typecheckpass(hp);
|
|
do_lowhigh:=hp;
|
|
end;
|
|
enumdef:
|
|
begin
|
|
set_varstate(left,vs_read,[]);
|
|
if inlinenumber=in_high_x then
|
|
v:=tenumdef(def).maxval
|
|
else
|
|
v:=tenumdef(def).minval;
|
|
enum:=nil;
|
|
for i := 0 to tenumdef(def).symtable.SymList.Count - 1 do
|
|
if tenumsym(tenumdef(def).symtable.SymList[i]).value=v then
|
|
begin
|
|
enum:=tenumsym(tenumdef(def).symtable.SymList[i]);
|
|
break;
|
|
end;
|
|
if not assigned(enum) then
|
|
internalerror(309993)
|
|
else
|
|
hp:=genenumnode(enum);
|
|
do_lowhigh:=hp;
|
|
end;
|
|
else
|
|
internalerror(87);
|
|
end;
|
|
end;
|
|
|
|
|
|
function getconstrealvalue : bestreal;
|
|
begin
|
|
case left.nodetype of
|
|
ordconstn:
|
|
getconstrealvalue:=tordconstnode(left).value;
|
|
realconstn:
|
|
getconstrealvalue:=trealconstnode(left).value_real;
|
|
else
|
|
internalerror(309992);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure setconstrealvalue(r : bestreal);
|
|
begin
|
|
result:=crealconstnode.create(r,pbestrealtype^);
|
|
end;
|
|
|
|
|
|
function handle_ln_const(r : bestreal) : tnode;
|
|
begin
|
|
if r<=0.0 then
|
|
if floating_point_range_check_error then
|
|
begin
|
|
result:=crealconstnode.create(0,pbestrealtype^);
|
|
CGMessage(type_e_wrong_math_argument)
|
|
end
|
|
else
|
|
begin
|
|
if r=0.0 then
|
|
result:=crealconstnode.create(MathQNaN.Value,pbestrealtype^)
|
|
else
|
|
result:=crealconstnode.create(MathNegInf.Value,pbestrealtype^)
|
|
end
|
|
else
|
|
result:=crealconstnode.create(ln(r),pbestrealtype^)
|
|
end;
|
|
|
|
|
|
function handle_sqrt_const(r : bestreal) : tnode;
|
|
begin
|
|
if r<0.0 then
|
|
if floating_point_range_check_error then
|
|
begin
|
|
result:=crealconstnode.create(0,pbestrealtype^);
|
|
CGMessage(type_e_wrong_math_argument)
|
|
end
|
|
else
|
|
result:=crealconstnode.create(MathQNaN.Value,pbestrealtype^)
|
|
else
|
|
result:=crealconstnode.create(sqrt(r),pbestrealtype^)
|
|
end;
|
|
|
|
|
|
function handle_const_sar : tnode;
|
|
var
|
|
vl,vl2 : TConstExprInt;
|
|
bits,shift: integer;
|
|
mask : qword;
|
|
def : tdef;
|
|
begin
|
|
result:=nil;
|
|
if (left.nodetype=ordconstn) or ((left.nodetype=callparan) and (tcallparanode(left).left.nodetype=ordconstn)) then
|
|
begin
|
|
if (left.nodetype=callparan) and
|
|
assigned(tcallparanode(left).right) then
|
|
begin
|
|
if (tcallparanode(tcallparanode(left).right).left.nodetype=ordconstn) then
|
|
begin
|
|
def:=tcallparanode(tcallparanode(left).right).left.resultdef;
|
|
vl:=tordconstnode(tcallparanode(left).left).value;
|
|
vl2:=tordconstnode(tcallparanode(tcallparanode(left).right).left).value;
|
|
end
|
|
else
|
|
exit;
|
|
end
|
|
else
|
|
begin
|
|
def:=left.resultdef;
|
|
vl:=1;
|
|
vl2:=tordconstnode(left).value;
|
|
end;
|
|
|
|
bits:=def.size*8;
|
|
shift:=vl.svalue and (bits-1);
|
|
case bits of
|
|
8:
|
|
mask:=$ff;
|
|
16:
|
|
mask:=$ffff;
|
|
32:
|
|
mask:=$ffffffff;
|
|
64:
|
|
mask:=qword($ffffffffffffffff);
|
|
else
|
|
mask:=qword(1 shl bits)-1;
|
|
end;
|
|
{$push}
|
|
{$r-,q-}
|
|
if shift=0 then
|
|
result:=cordconstnode.create(vl2.svalue,def,false)
|
|
else if vl2.svalue<0 then
|
|
result:=cordconstnode.create(((vl2.svalue shr shift) or (mask shl (bits-shift))) and mask,def,false)
|
|
else
|
|
result:=cordconstnode.create((vl2.svalue shr shift) and mask,def,false);
|
|
{$pop}
|
|
end
|
|
else
|
|
end;
|
|
|
|
|
|
var
|
|
hp : tnode;
|
|
vl,vl2 : TConstExprInt;
|
|
vr : bestreal;
|
|
|
|
begin { simplify }
|
|
result:=nil;
|
|
{ handle intern constant functions in separate case }
|
|
if nf_inlineconst in flags then
|
|
begin
|
|
{ no parameters? }
|
|
if not assigned(left) then
|
|
internalerror(200501231)
|
|
else
|
|
begin
|
|
vl:=0;
|
|
vl2:=0; { second parameter Ex: ptr(vl,vl2) }
|
|
case left.nodetype of
|
|
realconstn :
|
|
begin
|
|
{ Real functions are all handled with internproc below }
|
|
CGMessage1(type_e_integer_expr_expected,left.resultdef.typename)
|
|
end;
|
|
ordconstn :
|
|
vl:=tordconstnode(left).value;
|
|
callparan :
|
|
begin
|
|
{ both exists, else it was not generated }
|
|
vl:=tordconstnode(tcallparanode(left).left).value;
|
|
vl2:=tordconstnode(tcallparanode(tcallparanode(left).right).left).value;
|
|
end;
|
|
else
|
|
CGMessage(parser_e_illegal_expression);
|
|
end;
|
|
case inlinenumber of
|
|
in_const_abs :
|
|
if vl.signed then
|
|
hp:=genintconstnode(abs(vl.svalue))
|
|
else
|
|
hp:=genintconstnode(vl.uvalue);
|
|
in_const_sqr:
|
|
if vl.signed then
|
|
hp:=genintconstnode(sqr(vl.svalue))
|
|
else
|
|
hp:=genintconstnode(sqr(vl.uvalue));
|
|
in_const_odd :
|
|
hp:=cordconstnode.create(qword(odd(int64(vl))),booltype,true);
|
|
in_const_swap_word :
|
|
hp:=cordconstnode.create((vl and $ff) shl 8+(vl shr 8),left.resultdef,true);
|
|
in_const_swap_long :
|
|
hp:=cordconstnode.create((vl and $ffff) shl 16+(vl shr 16),left.resultdef,true);
|
|
in_const_swap_qword :
|
|
hp:=cordconstnode.create((vl and $ffff) shl 32+(vl shr 32),left.resultdef,true);
|
|
in_const_ptr:
|
|
begin
|
|
{Don't construct pointers from negative values.}
|
|
if (vl.signed and (vl.svalue<0)) or (vl2.signed and (vl2.svalue<0)) then
|
|
cgmessage(parser_e_range_check_error);
|
|
hp:=cpointerconstnode.create((vl2.uvalue shl 4)+vl.uvalue,voidfarpointertype);
|
|
end
|
|
else
|
|
internalerror(88);
|
|
end;
|
|
end;
|
|
if hp=nil then
|
|
hp:=cerrornode.create;
|
|
result:=hp;
|
|
end
|
|
else
|
|
begin
|
|
case inlinenumber of
|
|
in_lo_long,
|
|
in_hi_long,
|
|
in_lo_qword,
|
|
in_hi_qword,
|
|
in_lo_word,
|
|
in_hi_word :
|
|
begin
|
|
if left.nodetype=ordconstn then
|
|
begin
|
|
case inlinenumber of
|
|
in_lo_word :
|
|
result:=cordconstnode.create(tordconstnode(left).value and $ff,u8inttype,true);
|
|
in_hi_word :
|
|
result:=cordconstnode.create(tordconstnode(left).value shr 8,u8inttype,true);
|
|
in_lo_long :
|
|
result:=cordconstnode.create(tordconstnode(left).value and $ffff,u16inttype,true);
|
|
in_hi_long :
|
|
result:=cordconstnode.create(tordconstnode(left).value shr 16,u16inttype,true);
|
|
in_lo_qword :
|
|
result:=cordconstnode.create(tordconstnode(left).value and $ffffffff,u32inttype,true);
|
|
in_hi_qword :
|
|
result:=cordconstnode.create(tordconstnode(left).value shr 32,u32inttype,true);
|
|
end;
|
|
end;
|
|
end;
|
|
in_ord_x:
|
|
begin
|
|
case left.resultdef.typ of
|
|
orddef :
|
|
begin
|
|
case torddef(left.resultdef).ordtype of
|
|
pasbool,
|
|
uchar:
|
|
begin
|
|
{ change to byte() }
|
|
result:=ctypeconvnode.create_internal(left,u8inttype);
|
|
left:=nil;
|
|
end;
|
|
uwidechar :
|
|
begin
|
|
{ change to word() }
|
|
result:=ctypeconvnode.create_internal(left,u16inttype);
|
|
left:=nil;
|
|
end;
|
|
bool8bit:
|
|
begin
|
|
{ change to shortint() }
|
|
result:=ctypeconvnode.create_internal(left,s8inttype);
|
|
left:=nil;
|
|
end;
|
|
bool16bit :
|
|
begin
|
|
{ change to smallint() }
|
|
result:=ctypeconvnode.create_internal(left,s16inttype);
|
|
left:=nil;
|
|
end;
|
|
bool32bit :
|
|
begin
|
|
{ change to longint() }
|
|
result:=ctypeconvnode.create_internal(left,s32inttype);
|
|
left:=nil;
|
|
end;
|
|
bool64bit :
|
|
begin
|
|
{ change to int64() }
|
|
result:=ctypeconvnode.create_internal(left,s64inttype);
|
|
left:=nil;
|
|
end;
|
|
uvoid :
|
|
CGMessage1(type_e_ordinal_expr_expected,left.resultdef.typename);
|
|
else
|
|
begin
|
|
{ all other orddef need no transformation }
|
|
result:=left;
|
|
left:=nil;
|
|
end;
|
|
end;
|
|
end;
|
|
enumdef :
|
|
begin
|
|
result:=ctypeconvnode.create_internal(left,s32inttype);
|
|
left:=nil;
|
|
end;
|
|
pointerdef :
|
|
begin
|
|
if m_mac in current_settings.modeswitches then
|
|
begin
|
|
result:=ctypeconvnode.create_internal(left,ptruinttype);
|
|
left:=nil;
|
|
end
|
|
end;
|
|
end;
|
|
(*
|
|
if (left.nodetype=ordconstn) then
|
|
begin
|
|
result:=cordconstnode.create(
|
|
tordconstnode(left).value,sinttype,true);
|
|
end
|
|
else if (m_mac in current_settings.modeswitches) and
|
|
(left.ndoetype=pointerconstn) then
|
|
result:=cordconstnode.create(
|
|
tpointerconstnode(left).value,ptruinttype,true);
|
|
*)
|
|
end;
|
|
in_chr_byte:
|
|
begin
|
|
{ convert to explicit char() }
|
|
result:=ctypeconvnode.create_internal(left,cchartype);
|
|
left:=nil;
|
|
end;
|
|
in_length_x:
|
|
begin
|
|
case left.resultdef.typ of
|
|
stringdef :
|
|
begin
|
|
if (left.nodetype=stringconstn) then
|
|
begin
|
|
result:=cordconstnode.create(
|
|
tstringconstnode(left).len,sinttype,true);
|
|
end;
|
|
end;
|
|
orddef :
|
|
begin
|
|
{ length of char is always one }
|
|
if is_char(left.resultdef) or
|
|
is_widechar(left.resultdef) then
|
|
begin
|
|
result:=cordconstnode.create(1,sinttype,false);
|
|
end
|
|
end;
|
|
arraydef :
|
|
begin
|
|
if not is_open_array(left.resultdef) and
|
|
not is_array_of_const(left.resultdef) and
|
|
not is_dynamic_array(left.resultdef) then
|
|
result:=cordconstnode.create(tarraydef(left.resultdef).highrange-
|
|
tarraydef(left.resultdef).lowrange+1,
|
|
sinttype,true);
|
|
end;
|
|
end;
|
|
end;
|
|
in_assigned_x:
|
|
begin
|
|
if is_constnode(tcallparanode(left).left) or
|
|
(tcallparanode(left).left.nodetype = pointerconstn) then
|
|
begin
|
|
{ let an add node figure it out }
|
|
result:=caddnode.create(unequaln,tcallparanode(left).left,cnilnode.create);
|
|
tcallparanode(left).left := nil;
|
|
end;
|
|
end;
|
|
in_pred_x,
|
|
in_succ_x:
|
|
begin
|
|
if (left.nodetype=ordconstn) then
|
|
begin
|
|
if (inlinenumber=in_succ_x) then
|
|
vl:=tordconstnode(left).value+1
|
|
else
|
|
vl:=tordconstnode(left).value-1;
|
|
if is_integer(left.resultdef) then
|
|
{ the type of the original integer constant is irrelevant,
|
|
it should be automatically adapted to the new value }
|
|
result:=genintconstnode(vl)
|
|
else
|
|
{ check the range for enums, chars, booleans }
|
|
result:=cordconstnode.create(vl,left.resultdef,true)
|
|
end
|
|
end;
|
|
in_low_x,
|
|
in_high_x:
|
|
begin
|
|
case left.resultdef.typ of
|
|
orddef,
|
|
enumdef:
|
|
begin
|
|
result:=do_lowhigh(left.resultdef);
|
|
end;
|
|
setdef:
|
|
begin
|
|
result:=do_lowhigh(tsetdef(left.resultdef).elementdef);
|
|
end;
|
|
arraydef:
|
|
begin
|
|
if (inlinenumber=in_low_x) then
|
|
begin
|
|
result:=cordconstnode.create(int64(tarraydef(
|
|
left.resultdef).lowrange),tarraydef(left.resultdef).rangedef,true);
|
|
end
|
|
else if not is_open_array(left.resultdef) and
|
|
not is_array_of_const(left.resultdef) and
|
|
not is_dynamic_array(left.resultdef) then
|
|
result:=cordconstnode.create(int64(tarraydef(left.resultdef).highrange),
|
|
tarraydef(left.resultdef).rangedef,true);
|
|
end;
|
|
stringdef:
|
|
begin
|
|
if inlinenumber=in_low_x then
|
|
begin
|
|
result:=cordconstnode.create(0,u8inttype,false);
|
|
end
|
|
else if not is_ansistring(left.resultdef) and
|
|
not is_wide_or_unicode_string(left.resultdef) then
|
|
result:=cordconstnode.create(tstringdef(left.resultdef).len,u8inttype,true)
|
|
end;
|
|
end;
|
|
end;
|
|
in_exp_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
begin
|
|
result:=crealconstnode.create(exp(getconstrealvalue),pbestrealtype^);
|
|
if (trealconstnode(result).value_real=MathInf.Value) and
|
|
floating_point_range_check_error then
|
|
begin
|
|
result:=crealconstnode.create(0,pbestrealtype^);
|
|
CGMessage(parser_e_range_check_error);
|
|
end;
|
|
end
|
|
end;
|
|
in_trunc_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
begin
|
|
vr:=getconstrealvalue;
|
|
if (vr>=9223372036854775807.5) or (vr<=-9223372036854775808.5) then
|
|
begin
|
|
CGMessage(parser_e_range_check_error);
|
|
result:=cordconstnode.create(1,s64inttype,false)
|
|
end
|
|
else
|
|
result:=cordconstnode.create(trunc(vr),s64inttype,true)
|
|
end
|
|
end;
|
|
in_round_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
begin
|
|
vr:=getconstrealvalue;
|
|
if (vr>=9223372036854775807.5) or (vr<=-9223372036854775808.5) then
|
|
begin
|
|
CGMessage(parser_e_range_check_error);
|
|
result:=cordconstnode.create(1,s64inttype,false)
|
|
end
|
|
else
|
|
result:=cordconstnode.create(round(vr),s64inttype,true)
|
|
end
|
|
end;
|
|
in_frac_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
setconstrealvalue(frac(getconstrealvalue))
|
|
end;
|
|
in_int_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
setconstrealvalue(int(getconstrealvalue));
|
|
end;
|
|
in_pi_real :
|
|
begin
|
|
if block_type=bt_const then
|
|
setconstrealvalue(getpi)
|
|
end;
|
|
in_cos_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
setconstrealvalue(cos(getconstrealvalue))
|
|
end;
|
|
in_sin_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
setconstrealvalue(sin(getconstrealvalue))
|
|
end;
|
|
in_arctan_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
setconstrealvalue(arctan(getconstrealvalue))
|
|
end;
|
|
in_abs_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
setconstrealvalue(abs(getconstrealvalue))
|
|
end;
|
|
in_abs_long:
|
|
begin
|
|
if left.nodetype=ordconstn then
|
|
begin
|
|
if tordconstnode(left).value<0 then
|
|
result:=cordconstnode.create((-tordconstnode(left).value),s32inttype,false)
|
|
else
|
|
result:=cordconstnode.create((tordconstnode(left).value),s32inttype,false);
|
|
end
|
|
end;
|
|
in_sqr_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
setconstrealvalue(sqr(getconstrealvalue))
|
|
end;
|
|
in_sqrt_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
begin
|
|
vr:=getconstrealvalue;
|
|
if vr<0.0 then
|
|
result:=handle_sqrt_const(vr)
|
|
else
|
|
setconstrealvalue(sqrt(vr));
|
|
end
|
|
end;
|
|
in_ln_real :
|
|
begin
|
|
if left.nodetype in [ordconstn,realconstn] then
|
|
begin
|
|
vr:=getconstrealvalue;
|
|
if vr<=0.0 then
|
|
result:=handle_ln_const(vr)
|
|
else
|
|
setconstrealvalue(ln(vr));
|
|
end
|
|
end;
|
|
in_assert_x_y :
|
|
begin
|
|
if not(cs_do_assertion in current_settings.localswitches) then
|
|
{ we need a valid node, so insert a nothingn }
|
|
result:=cnothingnode.create;
|
|
end;
|
|
in_sar_x,
|
|
in_sar_x_y :
|
|
begin
|
|
result:=handle_const_sar;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
|
|
function tinlinenode.pass_typecheck:tnode;
|
|
|
|
procedure setfloatresultdef;
|
|
begin
|
|
if (left.resultdef.typ=floatdef) and
|
|
(tfloatdef(left.resultdef).floattype in [s32real,s64real,s80real,sc80real,s128real]) then
|
|
resultdef:=left.resultdef
|
|
else
|
|
begin
|
|
if (left.nodetype <> ordconstn) then
|
|
inserttypeconv(left,pbestrealtype^);
|
|
resultdef:=pbestrealtype^;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure handle_pack_unpack;
|
|
var
|
|
source, target, index: tcallparanode;
|
|
unpackedarraydef, packedarraydef: tarraydef;
|
|
tempindex: TConstExprInt;
|
|
begin
|
|
resultdef:=voidtype;
|
|
|
|
unpackedarraydef := nil;
|
|
packedarraydef := nil;
|
|
source := tcallparanode(left);
|
|
if (inlinenumber = in_unpack_x_y_z) then
|
|
begin
|
|
target := tcallparanode(source.right);
|
|
index := tcallparanode(target.right);
|
|
|
|
{ source must be a packed array }
|
|
if not is_packed_array(source.left.resultdef) then
|
|
CGMessagePos2(source.left.fileinfo,type_e_got_expected_packed_array,'1',source.left.resultdef.GetTypeName)
|
|
else
|
|
packedarraydef := tarraydef(source.left.resultdef);
|
|
{ target can be any kind of array, as long as it's not packed }
|
|
if (target.left.resultdef.typ <> arraydef) or
|
|
is_packed_array(target.left.resultdef) then
|
|
CGMessagePos2(target.left.fileinfo,type_e_got_expected_unpacked_array,'2',target.left.resultdef.GetTypeName)
|
|
else
|
|
unpackedarraydef := tarraydef(target.left.resultdef);
|
|
end
|
|
else
|
|
begin
|
|
index := tcallparanode(source.right);
|
|
target := tcallparanode(index.right);
|
|
|
|
{ source can be any kind of array, as long as it's not packed }
|
|
if (source.left.resultdef.typ <> arraydef) or
|
|
is_packed_array(source.left.resultdef) then
|
|
CGMessagePos2(source.left.fileinfo,type_e_got_expected_unpacked_array,'1',source.left.resultdef.GetTypeName)
|
|
else
|
|
unpackedarraydef := tarraydef(source.left.resultdef);
|
|
{ target must be a packed array }
|
|
if not is_packed_array(target.left.resultdef) then
|
|
CGMessagePos2(target.left.fileinfo,type_e_got_expected_packed_array,'3',target.left.resultdef.GetTypeName)
|
|
else
|
|
packedarraydef := tarraydef(target.left.resultdef);
|
|
end;
|
|
|
|
if assigned(unpackedarraydef) then
|
|
begin
|
|
{ index must be compatible with the unpacked array's indextype }
|
|
inserttypeconv(index.left,unpackedarraydef.rangedef);
|
|
|
|
{ range check at compile time if possible }
|
|
if assigned(packedarraydef) and
|
|
(index.left.nodetype = ordconstn) and
|
|
not is_special_array(unpackedarraydef) then
|
|
begin
|
|
testrange(unpackedarraydef,tordconstnode(index.left).value,false);
|
|
tempindex := tordconstnode(index.left).value + packedarraydef.highrange-packedarraydef.lowrange;
|
|
testrange(unpackedarraydef,tempindex,false);
|
|
end;
|
|
end;
|
|
|
|
{ source array is read and must be valid }
|
|
set_varstate(source.left,vs_read,[vsf_must_be_valid]);
|
|
{ target array is written }
|
|
valid_for_assignment(target.left,true);
|
|
set_varstate(target.left,vs_written,[]);
|
|
{ index in the unpacked array is read and must be valid }
|
|
set_varstate(index.left,vs_read,[vsf_must_be_valid]);
|
|
{ if the size of the arrays is 0 (array of empty records), }
|
|
{ do nothing }
|
|
if (source.resultdef.size = 0) then
|
|
result:=cnothingnode.create;
|
|
end;
|
|
|
|
|
|
function handle_objc_encode: tnode;
|
|
var
|
|
encodedtype: ansistring;
|
|
errordef: tdef;
|
|
begin
|
|
encodedtype:='';
|
|
if not objctryencodetype(left.resultdef,encodedtype,errordef) then
|
|
Message1(type_e_objc_type_unsupported,errordef.typename);
|
|
result:=cstringconstnode.createpchar(ansistring2pchar(encodedtype),length(encodedtype));
|
|
end;
|
|
|
|
|
|
var
|
|
hightree,
|
|
hp : tnode;
|
|
begin
|
|
result:=nil;
|
|
{ when handling writeln "left" contains no valid address }
|
|
if assigned(left) then
|
|
begin
|
|
if left.nodetype=callparan then
|
|
tcallparanode(left).get_paratype
|
|
else
|
|
typecheckpass(left);
|
|
end;
|
|
|
|
if not(nf_inlineconst in flags) then
|
|
begin
|
|
case inlinenumber of
|
|
in_lo_long,
|
|
in_hi_long,
|
|
in_lo_qword,
|
|
in_hi_qword,
|
|
in_lo_word,
|
|
in_hi_word :
|
|
begin
|
|
{ give warning for incompatibility with tp and delphi }
|
|
if (inlinenumber in [in_lo_long,in_hi_long,in_lo_qword,in_hi_qword]) and
|
|
((m_tp7 in current_settings.modeswitches) or
|
|
(m_delphi in current_settings.modeswitches)) then
|
|
CGMessage(type_w_maybe_wrong_hi_lo);
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
if not is_integer(left.resultdef) then
|
|
CGMessage1(type_e_integer_expr_expected,left.resultdef.typename);
|
|
case inlinenumber of
|
|
in_lo_word,
|
|
in_hi_word :
|
|
resultdef:=u8inttype;
|
|
in_lo_long,
|
|
in_hi_long :
|
|
resultdef:=u16inttype;
|
|
in_lo_qword,
|
|
in_hi_qword :
|
|
resultdef:=u32inttype;
|
|
end;
|
|
end;
|
|
|
|
in_sizeof_x:
|
|
begin
|
|
{ the constant evaluation of in_sizeof_x happens in pexpr where possible }
|
|
set_varstate(left,vs_read,[]);
|
|
if paramanager.push_high_param(vs_value,left.resultdef,current_procinfo.procdef.proccalloption) then
|
|
begin
|
|
hightree:=load_high_value_node(tparavarsym(tloadnode(left).symtableentry));
|
|
if assigned(hightree) then
|
|
begin
|
|
hp:=caddnode.create(addn,hightree,
|
|
cordconstnode.create(1,sinttype,false));
|
|
if (left.resultdef.typ=arraydef) then
|
|
if not is_packed_array(tarraydef(left.resultdef)) then
|
|
begin
|
|
if (tarraydef(left.resultdef).elesize<>1) then
|
|
hp:=caddnode.create(muln,hp,cordconstnode.create(tarraydef(
|
|
left.resultdef).elesize,sinttype,true));
|
|
end
|
|
else if (tarraydef(left.resultdef).elepackedbitsize <> 8) then
|
|
begin
|
|
{ no packed open array support yet }
|
|
if (hp.nodetype <> ordconstn) then
|
|
internalerror(2006081511);
|
|
hp.free;
|
|
hp := cordconstnode.create(left.resultdef.size,sinttype,true);
|
|
{
|
|
hp:=
|
|
ctypeconvnode.create_explicit(sinttype,
|
|
cmoddivnode.create(divn,
|
|
caddnode.create(addn,
|
|
caddnode.create(muln,hp,cordconstnode.create(tarraydef(
|
|
left.resultdef).elepackedbitsize,s64inttype,true)),
|
|
cordconstnode.create(a,s64inttype,true)),
|
|
cordconstnode.create(8,s64inttype,true)),
|
|
sinttype);
|
|
}
|
|
end;
|
|
result:=hp;
|
|
end;
|
|
end
|
|
else
|
|
resultdef:=sinttype;
|
|
end;
|
|
|
|
in_typeof_x:
|
|
begin
|
|
set_varstate(left,vs_read,[]);
|
|
resultdef:=voidpointertype;
|
|
end;
|
|
|
|
in_ord_x:
|
|
begin
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
case left.resultdef.typ of
|
|
orddef,
|
|
enumdef :
|
|
;
|
|
pointerdef :
|
|
begin
|
|
if not(m_mac in current_settings.modeswitches) then
|
|
CGMessage1(type_e_ordinal_expr_expected,left.resultdef.typename);
|
|
end
|
|
else
|
|
CGMessage1(type_e_ordinal_expr_expected,left.resultdef.typename);
|
|
end;
|
|
end;
|
|
|
|
in_chr_byte:
|
|
begin
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
end;
|
|
|
|
in_length_x:
|
|
begin
|
|
if ((left.resultdef.typ=arraydef) and
|
|
(not is_special_array(left.resultdef) or
|
|
is_open_array(left.resultdef))) or
|
|
(left.resultdef.typ=orddef) then
|
|
set_varstate(left,vs_read,[])
|
|
else
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
|
|
case left.resultdef.typ of
|
|
variantdef:
|
|
begin
|
|
inserttypeconv(left,cansistringtype);
|
|
end;
|
|
|
|
stringdef :
|
|
begin
|
|
{ we don't need string convertions here, }
|
|
{ except if from widestring to ansistring }
|
|
{ and vice versa (that can change the }
|
|
{ length) }
|
|
if (left.nodetype=typeconvn) and
|
|
(ttypeconvnode(left).left.resultdef.typ=stringdef) and
|
|
not(is_wide_or_unicode_string(left.resultdef) xor
|
|
is_wide_or_unicode_string(ttypeconvnode(left).left.resultdef)) then
|
|
begin
|
|
hp:=ttypeconvnode(left).left;
|
|
ttypeconvnode(left).left:=nil;
|
|
left.free;
|
|
left:=hp;
|
|
end;
|
|
end;
|
|
orddef :
|
|
begin
|
|
{ will be handled in simplify }
|
|
if not is_char(left.resultdef) and
|
|
not is_widechar(left.resultdef) then
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
pointerdef :
|
|
begin
|
|
if is_pchar(left.resultdef) then
|
|
begin
|
|
hp := ccallparanode.create(left,nil);
|
|
result := ccallnode.createintern('fpc_pchar_length',hp);
|
|
{ make sure the left node doesn't get disposed, since it's }
|
|
{ reused in the new node (JM) }
|
|
left:=nil;
|
|
exit;
|
|
end
|
|
else if is_pwidechar(left.resultdef) then
|
|
begin
|
|
hp := ccallparanode.create(left,nil);
|
|
result := ccallnode.createintern('fpc_pwidechar_length',hp);
|
|
{ make sure the left node doesn't get disposed, since it's }
|
|
{ reused in the new node (JM) }
|
|
left:=nil;
|
|
exit;
|
|
end
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
arraydef :
|
|
begin
|
|
if is_open_array(left.resultdef) or
|
|
is_array_of_const(left.resultdef) then
|
|
begin
|
|
hightree:=load_high_value_node(tparavarsym(tloadnode(left).symtableentry));
|
|
if assigned(hightree) then
|
|
result:=caddnode.create(addn,hightree,
|
|
cordconstnode.create(1,sinttype,false));
|
|
exit;
|
|
end
|
|
else if is_dynamic_array(left.resultdef) then
|
|
begin
|
|
hp := ccallparanode.create(ctypeconvnode.create_internal(left,voidpointertype),nil);
|
|
result := ccallnode.createintern('fpc_dynarray_length',hp);
|
|
{ make sure the left node doesn't get disposed, since it's }
|
|
{ reused in the new node (JM) }
|
|
left:=nil;
|
|
exit;
|
|
end
|
|
else
|
|
begin
|
|
{ will be handled in simplify }
|
|
end;
|
|
end
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
|
|
{ shortstring return an 8 bit value as the length
|
|
is the first byte of the string }
|
|
if is_shortstring(left.resultdef) then
|
|
resultdef:=u8inttype
|
|
else
|
|
resultdef:=sinttype;
|
|
end;
|
|
|
|
in_typeinfo_x:
|
|
begin
|
|
if (left.resultdef.typ=enumdef) and
|
|
(tenumdef(left.resultdef).has_jumps) then
|
|
CGMessage(type_e_no_type_info);
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
resultdef:=voidpointertype;
|
|
end;
|
|
|
|
in_assigned_x:
|
|
begin
|
|
{ the parser has already made sure the expression is valid }
|
|
|
|
{ there could be a procvar, which is 2*sizeof(pointer), while we }
|
|
{ must only check the first pointer -> can't just convert to an }
|
|
{ add node in all cases }
|
|
set_varstate(tcallparanode(left).left,vs_read,[vsf_must_be_valid]);
|
|
resultdef:=booltype;
|
|
end;
|
|
|
|
in_ofs_x :
|
|
internalerror(2000101001);
|
|
|
|
in_seg_x :
|
|
begin
|
|
set_varstate(left,vs_read,[]);
|
|
result:=cordconstnode.create(0,s32inttype,false);
|
|
end;
|
|
|
|
in_pred_x,
|
|
in_succ_x:
|
|
begin
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
resultdef:=left.resultdef;
|
|
if not is_ordinal(resultdef) then
|
|
CGMessage(type_e_ordinal_expr_expected)
|
|
else
|
|
begin
|
|
if (resultdef.typ=enumdef) and
|
|
(tenumdef(resultdef).has_jumps) and
|
|
not(m_delphi in current_settings.modeswitches) then
|
|
CGMessage(type_e_succ_and_pred_enums_with_assign_not_possible);
|
|
end;
|
|
end;
|
|
|
|
in_initialize_x,
|
|
in_finalize_x,
|
|
in_setlength_x:
|
|
begin
|
|
{ inlined from pinline }
|
|
internalerror(200204231);
|
|
end;
|
|
|
|
in_inc_x,
|
|
in_dec_x:
|
|
begin
|
|
resultdef:=voidtype;
|
|
if assigned(left) then
|
|
begin
|
|
{ first param must be var }
|
|
valid_for_var(tcallparanode(left).left,true);
|
|
set_varstate(tcallparanode(left).left,vs_readwritten,[vsf_must_be_valid]);
|
|
|
|
if (left.resultdef.typ in [enumdef,pointerdef]) or
|
|
is_ordinal(left.resultdef) or
|
|
is_currency(left.resultdef) then
|
|
begin
|
|
{ value of left gets changed -> must be unique }
|
|
set_unique(tcallparanode(left).left);
|
|
{ two paras ? }
|
|
if assigned(tcallparanode(left).right) then
|
|
begin
|
|
if is_integer(tcallparanode(left).right.resultdef) then
|
|
begin
|
|
set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]);
|
|
{ when range/overflow checking is on, we
|
|
convert this to a regular add, and for proper
|
|
checking we need the original type }
|
|
if ([cs_check_range,cs_check_overflow]*current_settings.localswitches=[]) then
|
|
if (tcallparanode(left).left.resultdef.typ=pointerdef) then
|
|
begin
|
|
{ don't convert values added to pointers into the pointer types themselves,
|
|
because that will turn signed values into unsigned ones, which then
|
|
goes wrong when they have to be multiplied with the size of the elements
|
|
to which the pointer points in ncginl (mantis #17342) }
|
|
if is_signed(tcallparanode(tcallparanode(left).right).left.resultdef) then
|
|
inserttypeconv(tcallparanode(tcallparanode(left).right).left,ptrsinttype)
|
|
else
|
|
inserttypeconv(tcallparanode(tcallparanode(left).right).left,ptruinttype)
|
|
end
|
|
else if is_integer(tcallparanode(left).left.resultdef) then
|
|
inserttypeconv(tcallparanode(tcallparanode(left).right).left,tcallparanode(left).left.resultdef)
|
|
else
|
|
inserttypeconv_internal(tcallparanode(tcallparanode(left).right).left,tcallparanode(left).left.resultdef);
|
|
if assigned(tcallparanode(tcallparanode(left).right).right) then
|
|
{ should be handled in the parser (JM) }
|
|
internalerror(2006020901);
|
|
end
|
|
else
|
|
CGMessagePos(tcallparanode(left).right.fileinfo,type_e_ordinal_expr_expected);
|
|
end;
|
|
end
|
|
else
|
|
CGMessagePos(left.fileinfo,type_e_ordinal_expr_expected);
|
|
end
|
|
else
|
|
CGMessagePos(fileinfo,type_e_mismatch);
|
|
end;
|
|
|
|
in_read_x,
|
|
in_readln_x,
|
|
in_readstr_x,
|
|
in_write_x,
|
|
in_writeln_x,
|
|
in_writestr_x :
|
|
begin
|
|
result := handle_read_write;
|
|
end;
|
|
|
|
in_settextbuf_file_x :
|
|
begin
|
|
resultdef:=voidtype;
|
|
{ now we know the type of buffer }
|
|
hp:=ccallparanode.create(cordconstnode.create(
|
|
tcallparanode(left).left.resultdef.size,s32inttype,true),left);
|
|
result:=ccallnode.createintern('SETTEXTBUF',hp);
|
|
left:=nil;
|
|
end;
|
|
|
|
{ the firstpass of the arg has been done in firstcalln ? }
|
|
in_reset_typedfile,
|
|
in_rewrite_typedfile :
|
|
begin
|
|
result := handle_reset_rewrite_typed;
|
|
end;
|
|
|
|
in_str_x_string :
|
|
begin
|
|
result:=handle_str;
|
|
end;
|
|
|
|
in_val_x :
|
|
begin
|
|
result:=handle_val;
|
|
end;
|
|
|
|
in_include_x_y,
|
|
in_exclude_x_y:
|
|
begin
|
|
resultdef:=voidtype;
|
|
{ the parser already checks whether we have two (and exactly two) }
|
|
{ parameters (JM) }
|
|
{ first param must be var }
|
|
valid_for_var(tcallparanode(left).left,true);
|
|
set_varstate(tcallparanode(left).left,vs_readwritten,[vsf_must_be_valid]);
|
|
{ check type }
|
|
if (left.resultdef.typ=setdef) then
|
|
begin
|
|
{ insert a type conversion }
|
|
{ to the type of the set elements }
|
|
set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]);
|
|
inserttypeconv(tcallparanode(tcallparanode(left).right).left,
|
|
tsetdef(left.resultdef).elementdef);
|
|
end
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
in_pack_x_y_z,
|
|
in_unpack_x_y_z :
|
|
begin
|
|
handle_pack_unpack;
|
|
end;
|
|
|
|
in_slice_x:
|
|
begin
|
|
result:=nil;
|
|
resultdef:=tcallparanode(left).left.resultdef;
|
|
if (resultdef.typ <> arraydef) then
|
|
CGMessagePos(left.fileinfo,type_e_mismatch)
|
|
else if is_packed_array(resultdef) then
|
|
CGMessagePos2(left.fileinfo,type_e_got_expected_unpacked_array,'1',resultdef.typename);
|
|
if not(is_integer(tcallparanode(tcallparanode(left).right).left.resultdef)) then
|
|
CGMessagePos1(tcallparanode(left).right.fileinfo,
|
|
type_e_integer_expr_expected,
|
|
tcallparanode(tcallparanode(left).right).left.resultdef.typename);
|
|
end;
|
|
|
|
in_low_x,
|
|
in_high_x:
|
|
begin
|
|
case left.resultdef.typ of
|
|
orddef,
|
|
enumdef,
|
|
setdef:
|
|
;
|
|
arraydef:
|
|
begin
|
|
if (inlinenumber=in_low_x) then
|
|
set_varstate(left,vs_read,[])
|
|
else
|
|
begin
|
|
if is_open_array(left.resultdef) or
|
|
is_array_of_const(left.resultdef) then
|
|
begin
|
|
set_varstate(left,vs_read,[]);
|
|
result:=load_high_value_node(tparavarsym(tloadnode(left).symtableentry));
|
|
end
|
|
else
|
|
if is_dynamic_array(left.resultdef) then
|
|
begin
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
{ can't use inserttypeconv because we need }
|
|
{ an explicit type conversion (JM) }
|
|
hp := ccallparanode.create(ctypeconvnode.create_internal(left,voidpointertype),nil);
|
|
result := ccallnode.createintern('fpc_dynarray_high',hp);
|
|
{ make sure the left node doesn't get disposed, since it's }
|
|
{ reused in the new node (JM) }
|
|
left:=nil;
|
|
end
|
|
else
|
|
begin
|
|
set_varstate(left,vs_read,[]);
|
|
end;
|
|
end;
|
|
end;
|
|
stringdef:
|
|
begin
|
|
if inlinenumber=in_low_x then
|
|
begin
|
|
set_varstate(left,vs_read,[]);
|
|
end
|
|
else
|
|
begin
|
|
if is_open_string(left.resultdef) then
|
|
begin
|
|
set_varstate(left,vs_read,[]);
|
|
result:=load_high_value_node(tparavarsym(tloadnode(left).symtableentry))
|
|
end
|
|
else if is_ansistring(left.resultdef) or
|
|
is_wide_or_unicode_string(left.resultdef) then
|
|
CGMessage(type_e_mismatch)
|
|
end;
|
|
end;
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
end;
|
|
|
|
in_exp_real,
|
|
in_frac_real,
|
|
in_int_real,
|
|
in_cos_real,
|
|
in_sin_real,
|
|
in_arctan_real,
|
|
in_abs_real,
|
|
in_ln_real :
|
|
begin
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
{ converting an int64 to double on platforms without }
|
|
{ extended can cause precision loss }
|
|
if not(left.nodetype in [ordconstn,realconstn]) then
|
|
inserttypeconv(left,pbestrealtype^);
|
|
resultdef:=pbestrealtype^;
|
|
end;
|
|
|
|
in_trunc_real,
|
|
in_round_real :
|
|
begin
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
{ for direct float rounding, no best real type cast should be necessary }
|
|
if not((left.resultdef.typ=floatdef) and
|
|
(tfloatdef(left.resultdef).floattype in [s32real,s64real,s80real,sc80real,s128real])) and
|
|
{ converting an int64 to double on platforms without }
|
|
{ extended can cause precision loss }
|
|
not(left.nodetype in [ordconstn,realconstn]) then
|
|
inserttypeconv(left,pbestrealtype^);
|
|
resultdef:=s64inttype;
|
|
end;
|
|
|
|
in_pi_real :
|
|
begin
|
|
resultdef:=pbestrealtype^;
|
|
end;
|
|
|
|
in_abs_long:
|
|
begin
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
inserttypeconv(left,s32inttype);
|
|
resultdef:=s32inttype;
|
|
end;
|
|
|
|
in_sqr_real,
|
|
in_sqrt_real :
|
|
begin
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
setfloatresultdef;
|
|
end;
|
|
|
|
{$ifdef SUPPORT_MMX}
|
|
in_mmx_pcmpeqb..in_mmx_pcmpgtw:
|
|
begin
|
|
end;
|
|
{$endif SUPPORT_MMX}
|
|
in_unaligned_x:
|
|
begin
|
|
resultdef:=left.resultdef;
|
|
end;
|
|
in_assert_x_y :
|
|
begin
|
|
resultdef:=voidtype;
|
|
if assigned(left) then
|
|
begin
|
|
set_varstate(tcallparanode(left).left,vs_read,[vsf_must_be_valid]);
|
|
{ check type }
|
|
if is_boolean(left.resultdef) then
|
|
begin
|
|
set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]);
|
|
{ must always be a string }
|
|
inserttypeconv(tcallparanode(tcallparanode(left).right).left,cshortstringtype);
|
|
end
|
|
else
|
|
CGMessage1(type_e_boolean_expr_expected,left.resultdef.typename);
|
|
end
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
|
|
if (cs_do_assertion in current_settings.localswitches) then
|
|
include(current_procinfo.flags,pi_do_call);
|
|
end;
|
|
in_prefetch_var:
|
|
resultdef:=voidtype;
|
|
in_get_frame,
|
|
in_get_caller_frame,
|
|
in_get_caller_addr:
|
|
begin
|
|
resultdef:=voidpointertype;
|
|
end;
|
|
in_rol_x,
|
|
in_ror_x,
|
|
in_sar_x:
|
|
begin
|
|
set_varstate(left,vs_read,[vsf_must_be_valid]);
|
|
resultdef:=left.resultdef;
|
|
end;
|
|
in_rol_x_x,
|
|
in_ror_x_x,
|
|
in_sar_x_y:
|
|
begin
|
|
set_varstate(tcallparanode(left).left,vs_read,[vsf_must_be_valid]);
|
|
set_varstate(tcallparanode(tcallparanode(left).right).left,vs_read,[vsf_must_be_valid]);
|
|
resultdef:=tcallparanode(tcallparanode(left).right).left.resultdef;
|
|
end;
|
|
in_objc_selector_x:
|
|
begin
|
|
result:=cobjcselectornode.create(left);
|
|
{ reused }
|
|
left:=nil;
|
|
end;
|
|
in_objc_protocol_x:
|
|
begin
|
|
result:=cobjcprotocolnode.create(left);
|
|
{ reused }
|
|
left:=nil;
|
|
end;
|
|
in_objc_encode_x:
|
|
begin
|
|
result:=handle_objc_encode;
|
|
end;
|
|
else
|
|
internalerror(8);
|
|
end;
|
|
end;
|
|
|
|
if not assigned(result) and not
|
|
codegenerror then
|
|
result:=simplify;
|
|
end;
|
|
|
|
|
|
function tinlinenode.pass_1 : tnode;
|
|
var
|
|
hp,hpp,resultnode : tnode;
|
|
shiftconst: longint;
|
|
tempnode: ttempcreatenode;
|
|
newstatement: tstatementnode;
|
|
newblock: tblocknode;
|
|
|
|
begin
|
|
result:=nil;
|
|
{ if we handle writeln; left contains no valid address }
|
|
if assigned(left) then
|
|
begin
|
|
if left.nodetype=callparan then
|
|
tcallparanode(left).firstcallparan
|
|
else
|
|
firstpass(left);
|
|
end;
|
|
|
|
{ intern const should already be handled }
|
|
if nf_inlineconst in flags then
|
|
internalerror(200104044);
|
|
case inlinenumber of
|
|
in_lo_qword,
|
|
in_hi_qword,
|
|
in_lo_long,
|
|
in_hi_long,
|
|
in_lo_word,
|
|
in_hi_word:
|
|
begin
|
|
shiftconst := 0;
|
|
case inlinenumber of
|
|
in_hi_qword:
|
|
shiftconst := 32;
|
|
in_hi_long:
|
|
shiftconst := 16;
|
|
in_hi_word:
|
|
shiftconst := 8;
|
|
end;
|
|
if shiftconst <> 0 then
|
|
result := ctypeconvnode.create_internal(cshlshrnode.create(shrn,left,
|
|
cordconstnode.create(shiftconst,u32inttype,false)),resultdef)
|
|
else
|
|
result := ctypeconvnode.create_internal(left,resultdef);
|
|
left := nil;
|
|
firstpass(result);
|
|
end;
|
|
|
|
in_sizeof_x:
|
|
begin
|
|
expectloc:=LOC_REGISTER;
|
|
end;
|
|
|
|
in_typeof_x:
|
|
begin
|
|
expectloc:=LOC_REGISTER;
|
|
end;
|
|
|
|
in_length_x:
|
|
begin
|
|
if is_shortstring(left.resultdef) then
|
|
expectloc:=left.expectloc
|
|
else
|
|
begin
|
|
{ ansi/wide string }
|
|
expectloc:=LOC_REGISTER;
|
|
end;
|
|
end;
|
|
|
|
in_typeinfo_x:
|
|
begin
|
|
expectloc:=LOC_REGISTER;
|
|
end;
|
|
|
|
in_assigned_x:
|
|
begin
|
|
expectloc := LOC_JUMP;
|
|
end;
|
|
|
|
in_pred_x,
|
|
in_succ_x:
|
|
begin
|
|
expectloc:=LOC_REGISTER;
|
|
{ in case of range/overflow checking, use a regular addnode
|
|
because it's too complex to handle correctly otherwise }
|
|
if ([cs_check_overflow,cs_check_range]*current_settings.localswitches)<>[] then
|
|
begin
|
|
{ create constant 1 }
|
|
hp:=cordconstnode.create(1,left.resultdef,false);
|
|
typecheckpass(hp);
|
|
if not is_integer(hp.resultdef) then
|
|
inserttypeconv_internal(hp,sinttype);
|
|
|
|
{ avoid type errors from the addn/subn }
|
|
if not is_integer(left.resultdef) then
|
|
inserttypeconv_internal(left,sinttype);
|
|
|
|
{ addition/substraction depending on succ/pred }
|
|
if inlinenumber=in_succ_x then
|
|
hp:=caddnode.create(addn,left,hp)
|
|
else
|
|
hp:=caddnode.create(subn,left,hp);
|
|
{ assign result of addition }
|
|
if not(is_integer(resultdef)) then
|
|
inserttypeconv(hp,torddef.create(
|
|
{$ifdef cpu64bitaddr}
|
|
s64bit,
|
|
{$else cpu64bitaddr}
|
|
s32bit,
|
|
{$endif cpu64bitaddr}
|
|
get_min_value(resultdef),
|
|
get_max_value(resultdef)))
|
|
else
|
|
inserttypeconv(hp,resultdef);
|
|
|
|
{ avoid any possible errors/warnings }
|
|
inserttypeconv_internal(hp,resultdef);
|
|
|
|
{ firstpass it }
|
|
firstpass(hp);
|
|
|
|
{ left is reused }
|
|
left:=nil;
|
|
|
|
{ return new node }
|
|
result:=hp;
|
|
end;
|
|
end;
|
|
|
|
in_setlength_x,
|
|
in_initialize_x,
|
|
in_finalize_x:
|
|
begin
|
|
expectloc:=LOC_VOID;
|
|
end;
|
|
|
|
in_inc_x,
|
|
in_dec_x:
|
|
begin
|
|
expectloc:=LOC_VOID;
|
|
|
|
{ range/overflow checking doesn't work properly }
|
|
{ with the inc/dec code that's generated (JM) }
|
|
if (current_settings.localswitches * [cs_check_overflow,cs_check_range] <> []) and
|
|
{ No overflow check for pointer operations, because inc(pointer,-1) will always
|
|
trigger an overflow. For uint32 it works because then the operation is done
|
|
in 64bit. Range checking is not applicable to pointers either }
|
|
(tcallparanode(left).left.resultdef.typ<>pointerdef) then
|
|
{ convert to simple add (JM) }
|
|
begin
|
|
newblock := internalstatements(newstatement);
|
|
{ extra parameter? }
|
|
if assigned(tcallparanode(left).right) then
|
|
begin
|
|
{ Yes, use for add node }
|
|
hpp := tcallparanode(tcallparanode(left).right).left;
|
|
tcallparanode(tcallparanode(left).right).left := nil;
|
|
if assigned(tcallparanode(tcallparanode(left).right).right) then
|
|
CGMessage(parser_e_illegal_expression);
|
|
end
|
|
else
|
|
begin
|
|
{ no, create constant 1 }
|
|
hpp := cordconstnode.create(1,tcallparanode(left).left.resultdef,false);
|
|
end;
|
|
typecheckpass(hpp);
|
|
|
|
if not((hpp.resultdef.typ=orddef) and
|
|
{$ifndef cpu64bitaddr}
|
|
(torddef(hpp.resultdef).ordtype=u32bit)) then
|
|
{$else not cpu64bitaddr}
|
|
(torddef(hpp.resultdef).ordtype=u64bit)) then
|
|
{$endif not cpu64bitaddr}
|
|
inserttypeconv_internal(hpp,sinttype);
|
|
{ make sure we don't call functions part of the left node twice (and generally }
|
|
{ optimize the code generation) }
|
|
if node_complexity(tcallparanode(left).left) > 1 then
|
|
begin
|
|
tempnode := ctempcreatenode.create(voidpointertype,voidpointertype.size,tt_persistent,true);
|
|
addstatement(newstatement,tempnode);
|
|
addstatement(newstatement,cassignmentnode.create(ctemprefnode.create(tempnode),
|
|
caddrnode.create_internal(tcallparanode(left).left.getcopy)));
|
|
hp := cderefnode.create(ctemprefnode.create(tempnode));
|
|
inserttypeconv_internal(hp,tcallparanode(left).left.resultdef);
|
|
end
|
|
else
|
|
begin
|
|
hp := tcallparanode(left).left.getcopy;
|
|
tempnode := nil;
|
|
end;
|
|
|
|
resultnode := hp.getcopy;
|
|
{ avoid type errors from the addn/subn }
|
|
if not is_integer(resultnode.resultdef) then
|
|
begin
|
|
inserttypeconv_internal(hp,sinttype);
|
|
inserttypeconv_internal(hpp,sinttype);
|
|
end;
|
|
|
|
{ addition/substraction depending on inc/dec }
|
|
if inlinenumber = in_inc_x then
|
|
hpp := caddnode.create(addn,hp,hpp)
|
|
else
|
|
hpp := caddnode.create(subn,hp,hpp);
|
|
{ assign result of addition }
|
|
if not(is_integer(resultnode.resultdef)) then
|
|
inserttypeconv(hpp,torddef.create(
|
|
{$ifdef cpu64bitaddr}
|
|
s64bit,
|
|
{$else cpu64bitaddr}
|
|
s32bit,
|
|
{$endif cpu64bitaddr}
|
|
get_min_value(resultnode.resultdef),
|
|
get_max_value(resultnode.resultdef)))
|
|
else
|
|
inserttypeconv(hpp,resultnode.resultdef);
|
|
{ avoid any possible warnings }
|
|
inserttypeconv_internal(hpp,resultnode.resultdef);
|
|
|
|
addstatement(newstatement,cassignmentnode.create(resultnode,hpp));
|
|
{ deallocate the temp }
|
|
if assigned(tempnode) then
|
|
addstatement(newstatement,ctempdeletenode.create(tempnode));
|
|
{ firstpass it }
|
|
firstpass(tnode(newblock));
|
|
{ return new node }
|
|
result := newblock;
|
|
end;
|
|
end;
|
|
|
|
in_include_x_y,
|
|
in_exclude_x_y:
|
|
begin
|
|
expectloc:=LOC_VOID;
|
|
end;
|
|
|
|
in_pack_x_y_z,
|
|
in_unpack_x_y_z:
|
|
begin
|
|
result:=first_pack_unpack;
|
|
end;
|
|
|
|
in_exp_real:
|
|
begin
|
|
result:= first_exp_real;
|
|
end;
|
|
|
|
in_round_real:
|
|
begin
|
|
result:= first_round_real;
|
|
end;
|
|
|
|
in_trunc_real:
|
|
begin
|
|
result:= first_trunc_real;
|
|
end;
|
|
|
|
in_int_real:
|
|
begin
|
|
result:= first_int_real;
|
|
end;
|
|
|
|
in_frac_real:
|
|
begin
|
|
result:= first_frac_real;
|
|
end;
|
|
|
|
in_cos_real:
|
|
begin
|
|
result:= first_cos_real;
|
|
end;
|
|
|
|
in_sin_real:
|
|
begin
|
|
result := first_sin_real;
|
|
end;
|
|
|
|
in_arctan_real:
|
|
begin
|
|
result := first_arctan_real;
|
|
end;
|
|
|
|
in_pi_real :
|
|
begin
|
|
result := first_pi;
|
|
end;
|
|
|
|
in_abs_real:
|
|
begin
|
|
result := first_abs_real;
|
|
end;
|
|
|
|
in_abs_long:
|
|
begin
|
|
result := first_abs_long;
|
|
end;
|
|
|
|
in_sqr_real:
|
|
begin
|
|
result := first_sqr_real;
|
|
end;
|
|
|
|
in_sqrt_real:
|
|
begin
|
|
result := first_sqrt_real;
|
|
end;
|
|
|
|
in_ln_real:
|
|
begin
|
|
result := first_ln_real;
|
|
end;
|
|
|
|
{$ifdef SUPPORT_MMX}
|
|
in_mmx_pcmpeqb..in_mmx_pcmpgtw:
|
|
begin
|
|
end;
|
|
{$endif SUPPORT_MMX}
|
|
|
|
in_assert_x_y :
|
|
begin
|
|
expectloc:=LOC_VOID;
|
|
end;
|
|
|
|
in_low_x,
|
|
in_high_x:
|
|
internalerror(200104047);
|
|
|
|
in_slice_x:
|
|
internalerror(2005101501);
|
|
|
|
in_ord_x,
|
|
in_chr_byte:
|
|
begin
|
|
{ should not happend as it's converted to typeconv }
|
|
internalerror(200104045);
|
|
end;
|
|
|
|
in_ofs_x :
|
|
internalerror(2000101001);
|
|
|
|
in_seg_x :
|
|
internalerror(200104046);
|
|
|
|
in_settextbuf_file_x,
|
|
in_reset_typedfile,
|
|
in_rewrite_typedfile,
|
|
in_str_x_string,
|
|
in_val_x,
|
|
in_read_x,
|
|
in_readln_x,
|
|
in_write_x,
|
|
in_writeln_x :
|
|
begin
|
|
{ should be handled by pass_typecheck }
|
|
internalerror(200108234);
|
|
end;
|
|
in_get_frame:
|
|
begin
|
|
include(current_procinfo.flags,pi_needs_stackframe);
|
|
expectloc:=LOC_CREGISTER;
|
|
end;
|
|
in_get_caller_frame:
|
|
begin
|
|
expectloc:=LOC_REGISTER;
|
|
end;
|
|
in_get_caller_addr:
|
|
begin
|
|
expectloc:=LOC_REGISTER;
|
|
end;
|
|
|
|
in_prefetch_var:
|
|
begin
|
|
expectloc:=LOC_VOID;
|
|
end;
|
|
in_unaligned_x:
|
|
begin
|
|
expectloc:=tcallparanode(left).left.expectloc;
|
|
end;
|
|
in_rol_x,
|
|
in_rol_x_x,
|
|
in_ror_x,
|
|
in_ror_x_x,
|
|
in_sar_x,
|
|
in_sar_x_y:
|
|
expectloc:=LOC_REGISTER;
|
|
else
|
|
internalerror(89);
|
|
end;
|
|
end;
|
|
{$maxfpuregisters default}
|
|
|
|
function tinlinenode.docompare(p: tnode): boolean;
|
|
begin
|
|
docompare :=
|
|
inherited docompare(p) and
|
|
(inlinenumber = tinlinenode(p).inlinenumber);
|
|
end;
|
|
|
|
|
|
function tinlinenode.first_pi : tnode;
|
|
begin
|
|
result:=crealconstnode.create(getpi,pbestrealtype^);
|
|
end;
|
|
|
|
|
|
function tinlinenode.first_arctan_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
first_arctan_real := ccallnode.createintern('fpc_arctan_real',
|
|
ccallparanode.create(left,nil));
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_abs_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
first_abs_real := ccallnode.createintern('fpc_abs_real',
|
|
ccallparanode.create(left,nil));
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_sqr_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
first_sqr_real := ctypeconvnode.create(ccallnode.createintern('fpc_sqr_real',
|
|
ccallparanode.create(left,nil)),resultdef);
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_sqrt_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
first_sqrt_real := ctypeconvnode.create(ccallnode.createintern('fpc_sqrt_real',
|
|
ccallparanode.create(left,nil)),resultdef);
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_ln_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
first_ln_real := ccallnode.createintern('fpc_ln_real',
|
|
ccallparanode.create(left,nil));
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_cos_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
first_cos_real := ccallnode.createintern('fpc_cos_real',
|
|
ccallparanode.create(left,nil));
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_sin_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
first_sin_real := ccallnode.createintern('fpc_sin_real',
|
|
ccallparanode.create(left,nil));
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_exp_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
result := ccallnode.createintern('fpc_exp_real',ccallparanode.create(left,nil));
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_int_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
result := ccallnode.createintern('fpc_int_real',ccallparanode.create(left,nil));
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_frac_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
result := ccallnode.createintern('fpc_frac_real',ccallparanode.create(left,nil));
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_round_real : tnode;
|
|
begin
|
|
{ create the call to the helper }
|
|
{ on entry left node contains the parameter }
|
|
result := ccallnode.createintern('fpc_round_real',ccallparanode.create(left,nil));
|
|
left := nil;
|
|
end;
|
|
|
|
function tinlinenode.first_trunc_real : tnode;
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begin
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{ create the call to the helper }
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{ on entry left node contains the parameter }
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result := ccallnode.createintern('fpc_trunc_real',ccallparanode.create(left,nil));
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left := nil;
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end;
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function tinlinenode.first_abs_long : tnode;
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begin
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expectloc:=LOC_REGISTER;
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result:=nil;
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end;
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function tinlinenode.first_pack_unpack: tnode;
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var
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loopstatement : tstatementnode;
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loop : tblocknode;
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loopvar : ttempcreatenode;
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tempnode,
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source,
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target,
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index,
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unpackednode,
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packednode,
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sourcevecindex,
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targetvecindex,
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loopbody : tnode;
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temprangedef : tdef;
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ulorange,
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uhirange,
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plorange,
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phirange : TConstExprInt;
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begin
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{ transform into a for loop which assigns the data of the (un)packed }
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{ array to the other one }
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source := left;
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if (inlinenumber = in_unpack_x_y_z) then
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begin
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target := tcallparanode(source).right;
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index := tcallparanode(target).right;
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packednode := tcallparanode(source).left;
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unpackednode := tcallparanode(target).left;
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end
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else
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begin
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index := tcallparanode(source).right;
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target := tcallparanode(index).right;
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packednode := tcallparanode(target).left;
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unpackednode := tcallparanode(source).left;
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end;
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source := tcallparanode(source).left;
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target := tcallparanode(target).left;
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index := tcallparanode(index).left;
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loop := internalstatements(loopstatement);
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loopvar := ctempcreatenode.create(
|
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tarraydef(packednode.resultdef).rangedef,
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tarraydef(packednode.resultdef).rangedef.size,
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tt_persistent,true);
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addstatement(loopstatement,loopvar);
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{ For range checking: we have to convert to an integer type (in case the index type }
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{ is an enum), add the index and loop variable together, convert the result }
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{ implicitly to an orddef with range equal to the rangedef to get range checking }
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{ and finally convert it explicitly back to the actual rangedef to avoid type }
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{ errors }
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temprangedef:=nil;
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getrange(unpackednode.resultdef,ulorange,uhirange);
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getrange(packednode.resultdef,plorange,phirange);
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temprangedef:=torddef.create(torddef(sinttype).ordtype,ulorange,uhirange);
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sourcevecindex := ctemprefnode.create(loopvar);
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targetvecindex := ctypeconvnode.create_internal(index.getcopy,sinttype);
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targetvecindex := caddnode.create(subn,targetvecindex,cordconstnode.create(plorange,sinttype,true));
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targetvecindex := caddnode.create(addn,targetvecindex,ctemprefnode.create(loopvar));
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targetvecindex := ctypeconvnode.create(targetvecindex,temprangedef);
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targetvecindex := ctypeconvnode.create_explicit(targetvecindex,tarraydef(unpackednode.resultdef).rangedef);
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|
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if (inlinenumber = in_pack_x_y_z) then
|
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begin
|
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{ swap source and target vec indices }
|
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tempnode := sourcevecindex;
|
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sourcevecindex := targetvecindex;
|
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targetvecindex := tempnode;
|
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end;
|
|
|
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{ create the assignment in the loop body }
|
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loopbody :=
|
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cassignmentnode.create(
|
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cvecnode.create(target.getcopy,targetvecindex),
|
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cvecnode.create(source.getcopy,sourcevecindex)
|
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);
|
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{ create the actual for loop }
|
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tempnode := cfornode.create(
|
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ctemprefnode.create(loopvar),
|
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cinlinenode.create(in_low_x,false,packednode.getcopy),
|
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cinlinenode.create(in_high_x,false,packednode.getcopy),
|
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loopbody,
|
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false);
|
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addstatement(loopstatement,tempnode);
|
|
{ free the loop counter }
|
|
addstatement(loopstatement,ctempdeletenode.create(loopvar));
|
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result := loop;
|
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end;
|
|
|
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begin
|
|
cinlinenode:=tinlinenode;
|
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end.
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