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1704 lines
54 KiB
ObjectPascal
1704 lines
54 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1993-98 by Florian Klaempfl
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This units exports some routines to manage the parse tree
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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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{$ifdef tp}
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{$E+,N+}
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{$endif}
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unit tree;
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interface
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uses
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cobjects,globals,symtable,aasm
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{$ifdef i386}
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,i386
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{$endif}
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{$ifdef m68k}
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,m68k
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{$endif}
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{$ifdef alpha}
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,alpha
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{$endif}
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;
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type
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pconstset = ^tconstset;
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tconstset = array[0..31] of byte;
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ttreetyp = (addn, {Represents the + operator.}
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muln, {Represents the * operator.}
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subn, {Represents the - operator.}
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divn, {Represents the div operator.}
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symdifn, {Represents the >< operator.}
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modn, {Represents the mod operator.}
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assignn, {Represents an assignment.}
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loadn, {Represents the use of a variabele.}
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rangen, {Represents a range (i.e. 0..9).}
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ltn, {Represents the < operator.}
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lten, {Represents the <= operator.}
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gtn, {Represents the > operator.}
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gten, {Represents the >= operator.}
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equaln, {Represents the = operator.}
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unequaln, {Represents the <> operator.}
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inn, {Represents the in operator.}
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orn, {Represents the or operator.}
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xorn, {Represents the xor operator.}
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shrn, {Represents the shr operator.}
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shln, {Represents the shl operator.}
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slashn, {Represents the / operator.}
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andn, {Represents the and operator.}
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subscriptn, {??? Field in a record/object?}
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derefn, {Dereferences a pointer.}
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addrn, {Represents the @ operator.}
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doubleaddrn, {Represents the @@ operator.}
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ordconstn, {Represents an ordinal value.}
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typeconvn, {Represents type-conversion/typecast.}
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calln, {Represents a call node.}
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callparan, {Represents a parameter.}
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realconstn, {Represents a real value.}
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fixconstn, {Represents a fixed value.}
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umminusn, {Represents a sign change (i.e. -2).}
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asmn, {Represents an assembler node }
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vecn, {Represents array indexing.}
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stringconstn, {Represents a string constant.}
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funcretn, {Represents the function result var.}
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selfn, {Represents the self parameter.}
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notn, {Represents the not operator.}
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inlinen, {Internal procedures (i.e. writeln).}
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niln, {Represents the nil pointer.}
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errorn, {This part of the tree could not be
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parsed because of a compiler error.}
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typen, {A type name. Used for i.e. typeof(obj).}
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hnewn, {The new operation, constructor call.}
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hdisposen, {The dispose operation with destructor call.}
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newn, {The new operation, constructor call.}
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simpledisposen, {The dispose operation.}
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setelementn, {A set element(s) (i.e. [a,b] and also [a..b]).}
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setconstn, {A set constant (i.e. [1,2]).}
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blockn, {A block of statements.}
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statementn, {One statement in a block of nodes.}
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loopn, { used in genloopnode, must be converted }
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ifn, {An if statement.}
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breakn, {A break statement.}
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continuen, {A continue statement.}
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repeatn, {A repeat until block.}
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whilen, {A while do statement.}
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forn, {A for loop.}
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exitn, {An exit statement.}
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withn, {A with statement.}
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casen, {A case statement.}
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labeln, {A label.}
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goton, {A goto statement.}
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simplenewn, {The new operation.}
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tryexceptn, {A try except block.}
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raisen, {A raise statement.}
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switchesn, {??? Currently unused...}
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tryfinallyn, {A try finally statement.}
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onn, { for an on statement in exception code }
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isn, {Represents the is operator.}
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asn, {Represents the as typecast.}
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caretn, {Represents the ^ operator.}
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failn, {Represents the fail statement.}
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starstarn, {Represents the ** operator exponentiation }
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procinlinen, {Procedures that can be inlined }
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{ added for optimizations where we cannot suppress }
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nothingn,
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loadvmtn); {???.}
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tconverttype = (tc_equal,tc_not_possible,tc_u8bit_2_s32bit,
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tc_only_rangechecks32bit,tc_s8bit_2_s32bit,
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tc_u16bit_2_s32bit,tc_s16bit_2_s32bit,
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tc_s32bit_2_s16bit,tc_s32bit_2_u8bit,
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tc_s32bit_2_u16bit,tc_string_to_string,
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tc_cstring_charpointer,tc_string_chararray,
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tc_array_to_pointer,tc_pointer_to_array,
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tc_char_to_string,tc_u8bit_2_s16bit,
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tc_u8bit_2_u16bit,tc_s8bit_2_s16bit,
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tc_s16bit_2_s8bit,tc_s16bit_2_u8bit,
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tc_u16bit_2_s8bit,tc_u16bit_2_u8bit,
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tc_s8bit_2_u16bit,tc_s32bit_2_s8bit,
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tc_s32bit_2_u32bit,tc_s16bit_2_u32bit,
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tc_s8bit_2_u32bit,tc_u16bit_2_u32bit,
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tc_u8bit_2_u32bit,tc_u32bit_2_s32bit,
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tc_u32bit_2_s8bit,tc_u32bit_2_u8bit,
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tc_u32bit_2_s16bit,tc_u32bit_2_u16bit,
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tc_bool_2_int,tc_int_2_bool,
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tc_int_2_real,tc_real_2_fix,
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tc_fix_2_real,tc_int_2_fix,tc_real_2_real,
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tc_chararray_2_string,
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tc_proc2procvar,tc_cchar_charpointer,tc_load_smallset,
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tc_ansistring_2_pchar,tc_pchar_2_ansistring);
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{ allows to determine which elementes are to be replaced }
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tdisposetyp = (dt_nothing,dt_leftright,dt_left,
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dt_mbleft,dt_string,dt_typeconv,dt_inlinen,
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dt_mbleft_and_method,dt_constset,dt_loop,dt_case,
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dt_with,dt_onn);
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{ different assignment types }
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tassigntyp = (at_normal,at_plus,at_minus,at_star,at_slash);
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pcaserecord = ^tcaserecord;
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tcaserecord = record
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{ range }
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_low,_high : longint;
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{ only used by gentreejmp }
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_at : plabel;
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{ label of instruction }
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statement : plabel;
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{ left and right tree node }
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less,greater : pcaserecord;
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end;
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ptree = ^ttree;
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ttree = record
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error : boolean;
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disposetyp : tdisposetyp;
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{ is true, if the right and left operand are swaped }
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swaped : boolean;
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{ the location of the result of this node }
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location : tlocation;
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{ the number of registers needed to evalute the node }
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registers32,registersfpu : longint; { must be longint !!!! }
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{$ifdef SUPPORT_MMX}
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registersmmx : longint;
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{$endif SUPPORT_MMX}
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left,right : ptree;
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resulttype : pdef;
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{ line : longint;
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fileindex,colon : word; }
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fileinfo : tfileposinfo;
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localswitches : tlocalswitches;
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{$ifdef extdebug}
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firstpasscount : longint;
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{$endif extdebug}
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case treetype : ttreetyp of
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addn : (use_strconcat : boolean;string_typ : tstringtype);
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callparan : (is_colon_para : boolean;exact_match_found : boolean);
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assignn : (assigntyp : tassigntyp;concat_string : boolean);
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loadn : (symtableentry : psym;symtable : psymtable;
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is_absolute,is_first : boolean);
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calln : (symtableprocentry : psym;
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symtableproc : psymtable;procdefinition : pprocdef;
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methodpointer : ptree;
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no_check,unit_specific,return_value_used : boolean);
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ordconstn : (value : longint);
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realconstn : (valued : bestreal;labnumber : longint;realtyp : tait);
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fixconstn : (valuef: longint);
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funcretn : (funcretprocinfo : pointer;retdef : pdef);
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subscriptn : (vs : pvarsym);
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vecn : (memindex,memseg:boolean);
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{ stringconstn : (length : longint; values : pstring;labstrnumber : longint); }
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{ string const can be longer then 255 with ansistring !! }
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{$ifdef UseAnsiString}
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stringconstn : (values : pchar;length : longint; labstrnumber : longint;stringtype : tstringtype);
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{$else UseAnsiString}
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stringconstn : (values : pstring; labstrnumber : longint;stringtype : tstringtype);
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{$endif UseAnsiString}
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typeconvn : (convtyp : tconverttype;explizit : boolean);
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inlinen : (inlinenumber : longint;inlineconst:boolean);
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procinlinen : (inlineprocdef : pprocdef;
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retoffset,para_offset,para_size : longint);
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setconstn : (constset : pconstset);
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loopn : (t1,t2 : ptree;backward : boolean);
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asmn : (p_asm : paasmoutput;object_preserved : boolean);
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casen : (nodes : pcaserecord;elseblock : ptree);
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labeln,goton : (labelnr : plabel);
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withn : (withsymtable : psymtable;tablecount : longint);
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onn : (exceptsymtable : psymtable;excepttype : pobjectdef);
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end;
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function gennode(t : ttreetyp;l,r : ptree) : ptree;
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function genlabelnode(t : ttreetyp;nr : plabel) : ptree;
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function genloadnode(v : pvarsym;st : psymtable) : ptree;
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function gensinglenode(t : ttreetyp;l : ptree) : ptree;
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function gensubscriptnode(varsym : pvarsym;l : ptree) : ptree;
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function genordinalconstnode(v : longint;def : pdef) : ptree;
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function genfixconstnode(v : longint;def : pdef) : ptree;
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function gentypeconvnode(node : ptree;t : pdef) : ptree;
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function gencallparanode(expr,next : ptree) : ptree;
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function genrealconstnode(v : bestreal) : ptree;
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function gencallnode(v : pprocsym;st : psymtable) : ptree;
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function genmethodcallnode(v : pprocsym;st : psymtable;mp : ptree) : ptree;
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{ allow pchar or string for defining a pchar node }
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function genstringconstnode(const s : string) : ptree;
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{$ifdef UseAnsiString}
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{ length is required for ansistrings }
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function genpcharconstnode(s : pchar;length : longint) : ptree;
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{ helper routine for conststring node }
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function getpcharcopy(p : ptree) : pchar;
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{$endif UseAnsiString}
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function genzeronode(t : ttreetyp) : ptree;
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function geninlinenode(number : longint;is_const:boolean;l : ptree) : ptree;
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function genprocinlinenode(callp,code : ptree) : ptree;
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function gentypedconstloadnode(sym : ptypedconstsym;st : psymtable) : ptree;
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function genenumnode(v : penumsym) : ptree;
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function genselfnode(_class : pdef) : ptree;
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function gensetconstnode(s : pconstset;settype : psetdef) : ptree;
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function genloopnode(t : ttreetyp;l,r,n1: ptree;back : boolean) : ptree;
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function genasmnode(p_asm : paasmoutput) : ptree;
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function gencasenode(l,r : ptree;nodes : pcaserecord) : ptree;
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function genwithnode(symtable : psymtable;l,r : ptree;count : longint) : ptree;
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function getcopy(p : ptree) : ptree;
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function equal_trees(t1,t2 : ptree) : boolean;
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procedure swaptree(p:Ptree);
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procedure disposetree(p : ptree);
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procedure putnode(p : ptree);
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function getnode : ptree;
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procedure set_location(var destloc,sourceloc : tlocation);
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procedure swap_location(var destloc,sourceloc : tlocation);
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procedure set_file_line(from,_to : ptree);
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procedure set_tree_filepos(p : ptree;const filepos : tfileposinfo);
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{$ifdef extdebug}
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procedure compare_trees(oldp,p : ptree);
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const
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maxfirstpasscount : longint = 0;
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{$endif extdebug}
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{ gibt den ordinalen Werten der Node zurueck oder falls sie }
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{ keinen ordinalen Wert hat, wird ein Fehler erzeugt }
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function get_ordinal_value(p : ptree) : longint;
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function is_constnode(p : ptree) : boolean;
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{ true, if p is a pointer to a const int value }
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function is_constintnode(p : ptree) : boolean;
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function is_constboolnode(p : ptree) : boolean;
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function is_constrealnode(p : ptree) : boolean;
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function is_constcharnode(p : ptree) : boolean;
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{$I innr.inc}
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implementation
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uses
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{ $ifdef extdebug}
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types,
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{ $endif extdebug}
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verbose,files;
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function getnode : ptree;
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var
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hp : ptree;
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begin
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new(hp);
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{ makes error tracking easier }
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fillchar(hp^,sizeof(ttree),0);
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{ reset }
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hp^.location.loc:=LOC_INVALID;
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{ save local info }
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hp^.fileinfo:=aktfilepos;
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hp^.localswitches:=aktlocalswitches;
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getnode:=hp;
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end;
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procedure putnode(p : ptree);
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begin
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{ clean up the contents of a node }
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case p^.treetype of
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asmn : if assigned(p^.p_asm) then
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dispose(p^.p_asm,done);
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setconstn : if assigned(p^.constset) then
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dispose(p^.constset);
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end;
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{ reference info }
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if (p^.location.loc in [LOC_MEM,LOC_REFERENCE]) and
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assigned(p^.location.reference.symbol) then
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stringdispose(p^.location.reference.symbol);
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{$ifndef UseAnsiString}
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if p^.disposetyp=dt_string then
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stringdispose(p^.values);
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{$else UseAnsiString}
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if p^.disposetyp=dt_string then
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ansistringdispose(p^.values,p^.length);
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{$endif UseAnsiString}
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{$ifdef extdebug}
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if p^.firstpasscount>maxfirstpasscount then
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maxfirstpasscount:=p^.firstpasscount;
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{$endif extdebug}
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dispose(p);
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end;
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function getcopy(p : ptree) : ptree;
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var
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hp : ptree;
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begin
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hp:=getnode;
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hp^:=p^;
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if assigned(p^.location.reference.symbol) then
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hp^.location.reference.symbol:=stringdup(p^.location.reference.symbol^);
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case p^.disposetyp of
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dt_leftright :
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begin
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if assigned(p^.left) then
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hp^.left:=getcopy(p^.left);
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if assigned(p^.right) then
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hp^.right:=getcopy(p^.right);
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end;
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dt_nothing : ;
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dt_left :
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if assigned(p^.left) then
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hp^.left:=getcopy(p^.left);
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dt_mbleft :
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if assigned(p^.left) then
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hp^.left:=getcopy(p^.left);
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dt_mbleft_and_method :
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begin
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if assigned(p^.left) then
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hp^.left:=getcopy(p^.left);
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hp^.methodpointer:=getcopy(p^.methodpointer);
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end;
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dt_loop :
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begin
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if assigned(p^.left) then
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hp^.left:=getcopy(p^.left);
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if assigned(p^.right) then
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hp^.right:=getcopy(p^.right);
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if assigned(p^.t1) then
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hp^.t1:=getcopy(p^.t1);
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if assigned(p^.t2) then
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hp^.t2:=getcopy(p^.t2);
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end;
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{$ifdef UseAnsiString}
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dt_string : begin
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hp^.values:=getpcharcopy(p);
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hp^.length:=p^.length;
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end;
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{$else UseAnsiString}
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dt_string : hp^.values:=stringdup(p^.values^);
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{$endif UseAnsiString}
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dt_typeconv : hp^.left:=getcopy(p^.left);
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dt_inlinen :
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if assigned(p^.left) then
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hp^.left:=getcopy(p^.left);
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else internalerror(11);
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end;
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getcopy:=hp;
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end;
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procedure deletecaselabels(p : pcaserecord);
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begin
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if assigned(p^.greater) then
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deletecaselabels(p^.greater);
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if assigned(p^.less) then
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deletecaselabels(p^.less);
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dispose(p);
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end;
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procedure swaptree(p:Ptree);
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var swapp:Ptree;
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begin
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swapp:=p^.right;
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p^.right:=p^.left;
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p^.left:=swapp;
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p^.swaped:=not(p^.swaped);
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end;
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procedure disposetree(p : ptree);
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begin
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if not(assigned(p)) then
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exit;
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case p^.disposetyp of
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dt_leftright :
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begin
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if assigned(p^.left) then
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disposetree(p^.left);
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if assigned(p^.right) then
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disposetree(p^.right);
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end;
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dt_case :
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begin
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if assigned(p^.left) then
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disposetree(p^.left);
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if assigned(p^.right) then
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disposetree(p^.right);
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if assigned(p^.nodes) then
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deletecaselabels(p^.nodes);
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if assigned(p^.elseblock) then
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disposetree(p^.elseblock);
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end;
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dt_nothing : ;
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dt_left :
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if assigned(p^.left) then
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disposetree(p^.left);
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dt_mbleft :
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if assigned(p^.left) then
|
|
disposetree(p^.left);
|
|
dt_mbleft_and_method :
|
|
begin
|
|
if assigned(p^.left) then disposetree(p^.left);
|
|
disposetree(p^.methodpointer);
|
|
end;
|
|
{$ifdef UseAnsiString}
|
|
dt_string : ansistringdispose(p^.values,p^.length);
|
|
{$else UseAnsiString}
|
|
dt_string : stringdispose(p^.values);
|
|
{$endif UseAnsiString}
|
|
dt_constset :
|
|
begin
|
|
if assigned(p^.constset) then
|
|
begin
|
|
dispose(p^.constset);
|
|
p^.constset:=nil;
|
|
end;
|
|
if assigned(p^.left) then
|
|
disposetree(p^.left);
|
|
end;
|
|
dt_typeconv : disposetree(p^.left);
|
|
dt_inlinen :
|
|
if assigned(p^.left) then
|
|
disposetree(p^.left);
|
|
dt_loop :
|
|
begin
|
|
if assigned(p^.left) then
|
|
disposetree(p^.left);
|
|
if assigned(p^.right) then
|
|
disposetree(p^.right);
|
|
if assigned(p^.t1) then
|
|
disposetree(p^.t1);
|
|
if assigned(p^.t2) then
|
|
disposetree(p^.t2);
|
|
end;
|
|
dt_onn:
|
|
begin
|
|
if assigned(p^.left) then
|
|
disposetree(p^.left);
|
|
if assigned(p^.right) then
|
|
disposetree(p^.right);
|
|
if assigned(p^.exceptsymtable) then
|
|
dispose(p^.exceptsymtable,done);
|
|
end;
|
|
dt_with :
|
|
begin
|
|
if assigned(p^.left) then
|
|
disposetree(p^.left);
|
|
if assigned(p^.right) then
|
|
disposetree(p^.right);
|
|
if assigned(p^.withsymtable) then
|
|
dispose(p^.withsymtable,done);
|
|
end;
|
|
else internalerror(12);
|
|
end;
|
|
putnode(p);
|
|
end;
|
|
|
|
procedure set_file_line(from,_to : ptree);
|
|
|
|
begin
|
|
if assigned(from) then
|
|
_to^.fileinfo:=from^.fileinfo;
|
|
end;
|
|
|
|
procedure set_tree_filepos(p : ptree;const filepos : tfileposinfo);
|
|
begin
|
|
p^.fileinfo:=filepos;
|
|
end;
|
|
|
|
function genwithnode(symtable : psymtable;l,r : ptree;count : longint) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_with;
|
|
p^.treetype:=withn;
|
|
p^.left:=l;
|
|
p^.right:=r;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
p^.withsymtable:=symtable;
|
|
p^.tablecount:=count;
|
|
set_file_line(l,p);
|
|
genwithnode:=p;
|
|
end;
|
|
|
|
function genfixconstnode(v : longint;def : pdef) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_nothing;
|
|
p^.treetype:=fixconstn;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=def;
|
|
p^.value:=v;
|
|
genfixconstnode:=p;
|
|
end;
|
|
|
|
function gencallparanode(expr,next : ptree) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_leftright;
|
|
p^.treetype:=callparan;
|
|
p^.left:=expr;
|
|
p^.right:=next;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.registersfpu:=0;
|
|
p^.resulttype:=nil;
|
|
p^.exact_match_found:=false;
|
|
p^.is_colon_para:=false;
|
|
set_file_line(expr,p);
|
|
gencallparanode:=p;
|
|
end;
|
|
|
|
function gennode(t : ttreetyp;l,r : ptree) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_leftright;
|
|
p^.treetype:=t;
|
|
p^.left:=l;
|
|
p^.right:=r;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
gennode:=p;
|
|
end;
|
|
|
|
function gencasenode(l,r : ptree;nodes : pcaserecord) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_case;
|
|
p^.treetype:=casen;
|
|
p^.left:=l;
|
|
p^.right:=r;
|
|
p^.nodes:=nodes;
|
|
p^.registers32:=0;
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
set_file_line(l,p);
|
|
gencasenode:=p;
|
|
end;
|
|
|
|
function genloopnode(t : ttreetyp;l,r,n1 : ptree;back : boolean) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_loop;
|
|
p^.treetype:=t;
|
|
p^.left:=l;
|
|
p^.right:=r;
|
|
p^.t1:=n1;
|
|
p^.t2:=nil;
|
|
p^.registers32:=0;
|
|
p^.backward:=back;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
set_file_line(l,p);
|
|
genloopnode:=p;
|
|
end;
|
|
|
|
function genordinalconstnode(v : longint;def : pdef) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_nothing;
|
|
p^.treetype:=ordconstn;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=def;
|
|
p^.value:=v;
|
|
genordinalconstnode:=p;
|
|
end;
|
|
|
|
function genenumnode(v : penumsym) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_nothing;
|
|
p^.treetype:=ordconstn;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=v^.definition;
|
|
p^.value:=v^.value;
|
|
genenumnode:=p;
|
|
end;
|
|
|
|
|
|
function genrealconstnode(v : bestreal) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_nothing;
|
|
p^.treetype:=realconstn;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
{$ifdef i386}
|
|
p^.resulttype:=c64floatdef;
|
|
p^.valued:=v;
|
|
{ default value is double }
|
|
p^.realtyp:=ait_real_64bit;
|
|
{$endif}
|
|
{$ifdef m68k}
|
|
p^.resulttype:=new(pfloatdef,init(s32real));
|
|
p^.valued:=v;
|
|
{ default value is double }
|
|
p^.realtyp:=ait_real_32bit;
|
|
{$endif}
|
|
p^.labnumber:=-1;
|
|
genrealconstnode:=p;
|
|
end;
|
|
|
|
function genstringconstnode(const s : string) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
{$ifdef UseAnsiString}
|
|
l : longint;
|
|
{$endif UseAnsiString}
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_string;
|
|
p^.treetype:=stringconstn;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=cstringdef;
|
|
{$ifdef UseAnsiString}
|
|
l:=length(s);
|
|
p^.length:=l;
|
|
{ stringdup write even past a #0 }
|
|
getmem(p^.values,l+1);
|
|
move(s[1],p^.values^,l);
|
|
p^.values[l]:=#0;
|
|
{$else UseAnsiString}
|
|
p^.values:=stringdup(s);
|
|
{$endif UseAnsiString}
|
|
p^.labstrnumber:=-1;
|
|
p^.stringtype:=st_shortstring;
|
|
genstringconstnode:=p;
|
|
end;
|
|
|
|
{$ifdef UseAnsiString}
|
|
function getpcharcopy(p : ptree) : pchar;
|
|
|
|
var
|
|
pc : pchar;
|
|
|
|
begin
|
|
pc:=nil;
|
|
getmem(pc,p^.length+1);
|
|
{ Peter can you change that ? }
|
|
if pc=nil then
|
|
Message(general_f_no_memory_left);
|
|
move(p^.values^,pc^,p^.length+1);
|
|
getpcharcopy:=pc;
|
|
end;
|
|
|
|
function genpcharconstnode(s : pchar;length : longint) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_string;
|
|
p^.treetype:=stringconstn;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=cstringdef;
|
|
p^.length:=length;
|
|
p^.values:=s;
|
|
p^.labstrnumber:=-1;
|
|
genpcharconstnode:=p;
|
|
end;
|
|
{$endif UseAnsiString}
|
|
|
|
function gensinglenode(t : ttreetyp;l : ptree) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_left;
|
|
p^.treetype:=t;
|
|
p^.left:=l;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
gensinglenode:=p;
|
|
end;
|
|
|
|
function genasmnode(p_asm : paasmoutput) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_nothing;
|
|
p^.treetype:=asmn;
|
|
p^.registers32:=4;
|
|
p^.p_asm:=p_asm;
|
|
p^.object_preserved:=false;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=8;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=8;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
genasmnode:=p;
|
|
end;
|
|
|
|
function genloadnode(v : pvarsym;st : psymtable) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.treetype:=loadn;
|
|
p^.resulttype:=v^.definition;
|
|
p^.symtableentry:=v;
|
|
p^.symtable:=st;
|
|
p^.is_first := False;
|
|
p^.disposetyp:=dt_nothing;
|
|
genloadnode:=p;
|
|
end;
|
|
|
|
function gentypedconstloadnode(sym : ptypedconstsym;st : psymtable) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.treetype:=loadn;
|
|
p^.resulttype:=sym^.definition;
|
|
p^.symtableentry:=pvarsym(sym);
|
|
p^.symtable:=st;
|
|
p^.disposetyp:=dt_nothing;
|
|
gentypedconstloadnode:=p;
|
|
end;
|
|
|
|
function gentypeconvnode(node : ptree;t : pdef) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_typeconv;
|
|
p^.treetype:=typeconvn;
|
|
p^.left:=node;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.convtyp:=tc_equal;
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=t;
|
|
p^.explizit:=false;
|
|
set_file_line(node,p);
|
|
gentypeconvnode:=p;
|
|
end;
|
|
|
|
function gencallnode(v : pprocsym;st : psymtable) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.treetype:=calln;
|
|
p^.symtableprocentry:=v;
|
|
p^.symtableproc:=st;
|
|
p^.unit_specific:=false;
|
|
p^.no_check:=false;
|
|
p^.return_value_used:=true;
|
|
p^.disposetyp := dt_leftright;
|
|
p^.methodpointer:=nil;
|
|
p^.left:=nil;
|
|
p^.right:=nil;
|
|
p^.procdefinition:=nil;
|
|
gencallnode:=p;
|
|
end;
|
|
|
|
function genmethodcallnode(v : pprocsym;st : psymtable;mp : ptree) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.treetype:=calln;
|
|
p^.return_value_used:=true;
|
|
p^.symtableprocentry:=v;
|
|
p^.symtableproc:=st;
|
|
p^.disposetyp:=dt_mbleft_and_method;
|
|
p^.left:=nil;
|
|
p^.right:=nil;
|
|
p^.methodpointer:=mp;
|
|
p^.procdefinition:=nil;
|
|
genmethodcallnode:=p;
|
|
end;
|
|
|
|
function gensubscriptnode(varsym : pvarsym;l : ptree) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_left;
|
|
p^.treetype:=subscriptn;
|
|
p^.left:=l;
|
|
p^.registers32:=0;
|
|
p^.vs:=varsym;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
gensubscriptnode:=p;
|
|
end;
|
|
|
|
function genzeronode(t : ttreetyp) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_nothing;
|
|
p^.treetype:=t;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
genzeronode:=p;
|
|
end;
|
|
|
|
function genlabelnode(t : ttreetyp;nr : plabel) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_nothing;
|
|
p^.treetype:=t;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
{ for security }
|
|
{ nr^.is_used:=true;}
|
|
p^.labelnr:=nr;
|
|
genlabelnode:=p;
|
|
end;
|
|
|
|
function genselfnode(_class : pdef) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_nothing;
|
|
p^.treetype:=selfn;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=_class;
|
|
genselfnode:=p;
|
|
end;
|
|
|
|
function geninlinenode(number : longint;is_const:boolean;l : ptree) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_inlinen;
|
|
p^.treetype:=inlinen;
|
|
p^.left:=l;
|
|
p^.inlinenumber:=number;
|
|
p^.inlineconst:=is_const;
|
|
p^.registers32:=0;
|
|
{ p^.registers16:=0;
|
|
p^.registers8:=0; }
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=nil;
|
|
geninlinenode:=p;
|
|
end;
|
|
|
|
|
|
{ uses the callnode to create the new procinline node }
|
|
function genprocinlinenode(callp,code : ptree) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_left;
|
|
p^.treetype:=procinlinen;
|
|
p^.inlineprocdef:=callp^.procdefinition;
|
|
p^.retoffset:=-4; { less dangerous as zero (PM) }
|
|
p^.para_offset:=0;
|
|
p^.para_size:=p^.inlineprocdef^.para_size;
|
|
if ret_in_param(p^.inlineprocdef^.retdef) then
|
|
p^.para_size:=p^.para_size+sizeof(pointer);
|
|
{ copy args }
|
|
p^.left:=getcopy(code);
|
|
p^.registers32:=code^.registers32;
|
|
p^.registersfpu:=code^.registersfpu;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=p^.inlineprocdef^.retdef;
|
|
genprocinlinenode:=p;
|
|
end;
|
|
|
|
function gensetconstnode(s : pconstset;settype : psetdef) : ptree;
|
|
|
|
var
|
|
p : ptree;
|
|
|
|
begin
|
|
p:=getnode;
|
|
p^.disposetyp:=dt_constset;
|
|
p^.treetype:=setconstn;
|
|
p^.registers32:=0;
|
|
p^.registersfpu:=0;
|
|
{$ifdef SUPPORT_MMX}
|
|
p^.registersmmx:=0;
|
|
{$endif SUPPORT_MMX}
|
|
p^.resulttype:=settype;
|
|
p^.left:=nil;
|
|
new(p^.constset);
|
|
p^.constset^:=s^;
|
|
gensetconstnode:=p;
|
|
end;
|
|
|
|
{$ifdef extdebug}
|
|
procedure compare_trees(oldp,p : ptree);
|
|
|
|
var
|
|
error_found : boolean;
|
|
|
|
begin
|
|
if oldp^.resulttype<>p^.resulttype then
|
|
begin
|
|
error_found:=true;
|
|
if is_equal(oldp^.resulttype,p^.resulttype) then
|
|
comment(v_debug,'resulttype fields are different but equal')
|
|
else
|
|
comment(v_warning,'resulttype fields are really different');
|
|
end;
|
|
if oldp^.treetype<>p^.treetype then
|
|
begin
|
|
comment(v_warning,'treetype field different');
|
|
error_found:=true;
|
|
end
|
|
else
|
|
comment(v_debug,' treetype '+tostr(longint(oldp^.treetype)));
|
|
if oldp^.error<>p^.error then
|
|
begin
|
|
comment(v_warning,'error field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.disposetyp<>p^.disposetyp then
|
|
begin
|
|
comment(v_warning,'disposetyp field different');
|
|
error_found:=true;
|
|
end;
|
|
{ is true, if the right and left operand are swaped }
|
|
if oldp^.swaped<>p^.swaped then
|
|
begin
|
|
comment(v_warning,'swaped field different');
|
|
error_found:=true;
|
|
end;
|
|
|
|
{ the location of the result of this node }
|
|
if oldp^.location.loc<>p^.location.loc then
|
|
begin
|
|
comment(v_warning,'location.loc field different');
|
|
error_found:=true;
|
|
end;
|
|
|
|
{ the number of registers needed to evalute the node }
|
|
if oldp^.registers32<>p^.registers32 then
|
|
begin
|
|
comment(v_warning,'registers32 field different');
|
|
comment(v_warning,' old '+tostr(oldp^.registers32)+'<> new '+tostr(p^.registers32));
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.registersfpu<>p^.registersfpu then
|
|
begin
|
|
comment(v_warning,'registersfpu field different');
|
|
error_found:=true;
|
|
end;
|
|
{$ifdef SUPPORT_MMX}
|
|
if oldp^.registersmmx<>p^.registersmmx then
|
|
begin
|
|
comment(v_warning,'registersmmx field different');
|
|
error_found:=true;
|
|
end;
|
|
{$endif SUPPORT_MMX}
|
|
if oldp^.left<>p^.left then
|
|
begin
|
|
comment(v_warning,'left field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.right<>p^.right then
|
|
begin
|
|
comment(v_warning,'right field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.fileinfo.line<>p^.fileinfo.line then
|
|
begin
|
|
comment(v_warning,'fileinfo.line field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.fileinfo.column<>p^.fileinfo.column then
|
|
begin
|
|
comment(v_warning,'fileinfo.column field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.fileinfo.fileindex<>p^.fileinfo.fileindex then
|
|
begin
|
|
comment(v_warning,'fileinfo.fileindex field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.localswitches<>p^.localswitches then
|
|
begin
|
|
comment(v_warning,'localswitches field different');
|
|
error_found:=true;
|
|
end;
|
|
{$ifdef extdebug}
|
|
if oldp^.firstpasscount<>p^.firstpasscount then
|
|
begin
|
|
comment(v_warning,'firstpasscount field different');
|
|
error_found:=true;
|
|
end;
|
|
{$endif extdebug}
|
|
if oldp^.treetype=p^.treetype then
|
|
case oldp^.treetype of
|
|
addn :
|
|
begin
|
|
if oldp^.use_strconcat<>p^.use_strconcat then
|
|
begin
|
|
comment(v_warning,'use_strconcat field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.string_typ<>p^.string_typ then
|
|
begin
|
|
comment(v_warning,'stringtyp field different');
|
|
error_found:=true;
|
|
end;
|
|
end;
|
|
callparan :
|
|
{(is_colon_para : boolean;exact_match_found : boolean);}
|
|
begin
|
|
if oldp^.is_colon_para<>p^.is_colon_para then
|
|
begin
|
|
comment(v_warning,'use_strconcat field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.exact_match_found<>p^.exact_match_found then
|
|
begin
|
|
comment(v_warning,'exact_match_found field different');
|
|
error_found:=true;
|
|
end;
|
|
end;
|
|
assignn :
|
|
{(assigntyp : tassigntyp;concat_string : boolean);}
|
|
begin
|
|
if oldp^.assigntyp<>p^.assigntyp then
|
|
begin
|
|
comment(v_warning,'assigntyp field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.concat_string<>p^.concat_string then
|
|
begin
|
|
comment(v_warning,'concat_string field different');
|
|
error_found:=true;
|
|
end;
|
|
end;
|
|
loadn :
|
|
{(symtableentry : psym;symtable : psymtable;
|
|
is_absolute,is_first : boolean);}
|
|
begin
|
|
if oldp^.symtableentry<>p^.symtableentry then
|
|
begin
|
|
comment(v_warning,'symtableentry field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.symtable<>p^.symtable then
|
|
begin
|
|
comment(v_warning,'symtable field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.is_absolute<>p^.is_absolute then
|
|
begin
|
|
comment(v_warning,'is_absolute field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.is_first<>p^.is_first then
|
|
begin
|
|
comment(v_warning,'is_first field different');
|
|
error_found:=true;
|
|
end;
|
|
end;
|
|
calln :
|
|
{(symtableprocentry : pprocsym;
|
|
symtableproc : psymtable;procdefinition : pprocdef;
|
|
methodpointer : ptree;
|
|
no_check,unit_specific : boolean);}
|
|
begin
|
|
if oldp^.symtableprocentry<>p^.symtableprocentry then
|
|
begin
|
|
comment(v_warning,'symtableprocentry field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.symtableproc<>p^.symtableproc then
|
|
begin
|
|
comment(v_warning,'symtableproc field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.procdefinition<>p^.procdefinition then
|
|
begin
|
|
comment(v_warning,'procdefinition field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.methodpointer<>p^.methodpointer then
|
|
begin
|
|
comment(v_warning,'methodpointer field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.no_check<>p^.no_check then
|
|
begin
|
|
comment(v_warning,'no_check field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.unit_specific<>p^.unit_specific then
|
|
begin
|
|
error_found:=true;
|
|
comment(v_warning,'unit_specific field different');
|
|
end;
|
|
end;
|
|
ordconstn :
|
|
begin
|
|
if oldp^.value<>p^.value then
|
|
begin
|
|
comment(v_warning,'value field different');
|
|
error_found:=true;
|
|
end;
|
|
end;
|
|
realconstn :
|
|
begin
|
|
if oldp^.valued<>p^.valued then
|
|
begin
|
|
comment(v_warning,'valued field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.labnumber<>p^.labnumber then
|
|
begin
|
|
comment(v_warning,'labnumber field different');
|
|
error_found:=true;
|
|
end;
|
|
if oldp^.realtyp<>p^.realtyp then
|
|
begin
|
|
comment(v_warning,'realtyp field different');
|
|
error_found:=true;
|
|
end;
|
|
end;
|
|
(*realconstn : (valued : bestreal;labnumber : longint;realtyp : tait);
|
|
fixconstn : (valuef: longint);
|
|
funcretn : (funcretprocinfo : pointer;retdef : pdef);
|
|
subscriptn : (vs : pvarsym);
|
|
vecn : (memindex,memseg:boolean);
|
|
{ stringconstn : (length : longint; values : pstring;labstrnumber : longint); }
|
|
{ string const can be longer then 255 with ansistring !! }
|
|
{$ifdef UseAnsiString}
|
|
stringconstn : (values : pchar;length : longint; labstrnumber : longint);
|
|
{$else UseAnsiString}
|
|
stringconstn : (values : pstring; labstrnumber : longint);
|
|
{$endif UseAnsiString}
|
|
typeconvn : (convtyp : tconverttype;explizit : boolean);
|
|
inlinen : (inlinenumber : longint);
|
|
procinlinen : (inlineprocdef : pprocdef);
|
|
setconstrn : (constset : pconstset);
|
|
loopn : (t1,t2 : ptree;backward : boolean);
|
|
asmn : (p_asm : paasmoutput);
|
|
casen : (nodes : pcaserecord;elseblock : ptree);
|
|
labeln,goton : (labelnr : plabel);
|
|
withn : (withsymtable : psymtable;tablecount : longint);
|
|
end; *)
|
|
end;
|
|
if not error_found then
|
|
comment(v_warning,'did not find difference in trees');
|
|
|
|
end;
|
|
{$endif extdebug}
|
|
|
|
function equal_trees(t1,t2 : ptree) : boolean;
|
|
|
|
begin
|
|
if t1^.treetype=t2^.treetype then
|
|
begin
|
|
case t1^.treetype of
|
|
addn,
|
|
muln,
|
|
equaln,
|
|
orn,
|
|
xorn,
|
|
andn,
|
|
unequaln:
|
|
begin
|
|
equal_trees:=(equal_trees(t1^.left,t2^.left) and
|
|
equal_trees(t1^.right,t2^.right)) or
|
|
(equal_trees(t1^.right,t2^.left) and
|
|
equal_trees(t1^.left,t2^.right));
|
|
end;
|
|
subn,
|
|
divn,
|
|
modn,
|
|
assignn,
|
|
ltn,
|
|
lten,
|
|
gtn,
|
|
gten,
|
|
inn,
|
|
shrn,
|
|
shln,
|
|
slashn,
|
|
rangen:
|
|
begin
|
|
equal_trees:=(equal_trees(t1^.left,t2^.left) and
|
|
equal_trees(t1^.right,t2^.right));
|
|
end;
|
|
umminusn,
|
|
notn,
|
|
derefn,
|
|
addrn:
|
|
begin
|
|
equal_trees:=(equal_trees(t1^.left,t2^.left));
|
|
end;
|
|
loadn:
|
|
begin
|
|
equal_trees:=(t1^.symtableentry=t2^.symtableentry)
|
|
{ not necessary
|
|
and (t1^.symtable=t2^.symtable)};
|
|
end;
|
|
{
|
|
|
|
subscriptn,
|
|
ordconstn,typeconvn,calln,callparan,
|
|
realconstn,asmn,vecn,
|
|
stringconstn,funcretn,selfn,
|
|
inlinen,niln,errorn,
|
|
typen,hnewn,hdisposen,newn,
|
|
disposen,setelen,setconstrn
|
|
}
|
|
else equal_trees:=false;
|
|
end;
|
|
end
|
|
else
|
|
equal_trees:=false;
|
|
end;
|
|
|
|
{This is needed if you want to be able to delete the string with the nodes !!}
|
|
procedure set_location(var destloc,sourceloc : tlocation);
|
|
|
|
begin
|
|
if assigned(destloc.reference.symbol) then
|
|
stringdispose(destloc.reference.symbol);
|
|
destloc:= sourceloc;
|
|
if sourceloc.loc in [LOC_MEM,LOC_REFERENCE] then
|
|
begin
|
|
if assigned(sourceloc.reference.symbol) then
|
|
destloc.reference.symbol:=
|
|
stringdup(sourceloc.reference.symbol^);
|
|
end
|
|
else
|
|
destloc.reference.symbol:=nil;
|
|
end;
|
|
|
|
procedure swap_location(var destloc,sourceloc : tlocation);
|
|
|
|
var
|
|
swapl : tlocation;
|
|
|
|
begin
|
|
swapl := destloc;
|
|
destloc := sourceloc;
|
|
sourceloc := swapl;
|
|
end;
|
|
|
|
|
|
function get_ordinal_value(p : ptree) : longint;
|
|
begin
|
|
if p^.treetype=ordconstn then
|
|
get_ordinal_value:=p^.value
|
|
else
|
|
Message(type_e_ordinal_expr_expected);
|
|
end;
|
|
|
|
|
|
function is_constnode(p : ptree) : boolean;
|
|
begin
|
|
is_constnode:=(p^.treetype in [ordconstn,realconstn,stringconstn,fixconstn,setconstn]);
|
|
end;
|
|
|
|
|
|
function is_constintnode(p : ptree) : boolean;
|
|
begin
|
|
is_constintnode:=(p^.treetype=ordconstn) and is_integer(p^.resulttype);
|
|
end;
|
|
|
|
|
|
function is_constcharnode(p : ptree) : boolean;
|
|
|
|
begin
|
|
is_constcharnode:=((p^.treetype=ordconstn) and
|
|
(p^.resulttype^.deftype=orddef) and
|
|
(porddef(p^.resulttype)^.typ=uchar));
|
|
end;
|
|
|
|
function is_constrealnode(p : ptree) : boolean;
|
|
|
|
begin
|
|
is_constrealnode:=(p^.treetype=realconstn);
|
|
end;
|
|
|
|
function is_constboolnode(p : ptree) : boolean;
|
|
|
|
begin
|
|
is_constboolnode:=((p^.treetype=ordconstn) and
|
|
(p^.resulttype^.deftype=orddef) and
|
|
(porddef(p^.resulttype)^.typ in [bool8bit,bool16bit,bool32bit]));
|
|
end;
|
|
|
|
|
|
|
|
end.
|
|
{
|
|
$Log$
|
|
Revision 1.35 1998-09-04 08:42:11 peter
|
|
* updated some error messages
|
|
|
|
Revision 1.34 1998/09/01 17:39:54 peter
|
|
+ internal constant functions
|
|
|
|
Revision 1.33 1998/08/28 12:51:44 florian
|
|
+ ansistring to pchar type cast fixed
|
|
|
|
Revision 1.32 1998/08/28 10:54:25 peter
|
|
* fixed smallset generation from elements, it has never worked before!
|
|
|
|
Revision 1.31 1998/08/21 14:08:58 pierre
|
|
+ TEST_FUNCRET now default (old code removed)
|
|
works also for m68k (at least compiles)
|
|
|
|
Revision 1.30 1998/08/18 09:24:47 pierre
|
|
* small warning position bug fixed
|
|
* support_mmx switches splitting was missing
|
|
* rhide error and warning output corrected
|
|
|
|
Revision 1.29 1998/08/14 18:18:48 peter
|
|
+ dynamic set contruction
|
|
* smallsets are now working (always longint size)
|
|
|
|
Revision 1.28 1998/08/13 11:00:13 peter
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* fixed procedure<>procedure construct
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Revision 1.27 1998/08/10 14:50:35 peter
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+ localswitches, moduleswitches, globalswitches splitting
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Revision 1.26 1998/08/10 09:57:19 peter
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- Remove InitTree which was empty and obsolete
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Revision 1.25 1998/08/02 16:42:02 florian
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* on o : tobject do should also work now, the exceptsymtable shouldn't be
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disposed by dellexlevel
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Revision 1.24 1998/07/30 11:18:23 florian
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+ first implementation of try ... except on .. do end;
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* limitiation of 65535 bytes parameters for cdecl removed
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Revision 1.23 1998/07/24 22:17:01 florian
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* internal error 10 together with array access fixed. I hope
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that's the final fix.
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Revision 1.22 1998/07/20 10:23:05 florian
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* better ansi string assignement
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Revision 1.21 1998/07/14 21:46:56 peter
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* updated messages file
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Revision 1.20 1998/07/14 14:47:11 peter
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* released NEWINPUT
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Revision 1.19 1998/07/08 14:56:53 daniel
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* Fixed $ifdef TP.
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Revision 1.18 1998/07/07 11:20:18 peter
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+ NEWINPUT for a better inputfile and scanner object
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Revision 1.17 1998/06/22 08:59:03 daniel
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- Removed pool of nodes.
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Revision 1.16 1998/06/12 14:50:49 peter
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* removed the tree dependency to types.pas
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* long_fil.pas support (not fully tested yet)
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Revision 1.15 1998/06/06 08:39:07 peter
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* it needs types
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Revision 1.14 1998/06/05 14:37:40 pierre
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* fixes for inline for operators
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* inline procedure more correctly restricted
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Revision 1.13 1998/06/04 09:55:49 pierre
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* demangled name of procsym reworked to become independant of the mangling scheme
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Revision 1.12 1998/06/03 22:49:06 peter
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+ wordbool,longbool
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* rename bis,von -> high,low
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* moved some systemunit loading/creating to psystem.pas
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Revision 1.10 1998/05/20 09:42:38 pierre
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+ UseTokenInfo now default
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* unit in interface uses and implementation uses gives error now
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* only one error for unknown symbol (uses lastsymknown boolean)
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the problem came from the label code !
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+ first inlined procedures and function work
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(warning there might be allowed cases were the result is still wrong !!)
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* UseBrower updated gives a global list of all position of all used symbols
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with switch -gb
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Revision 1.9 1998/05/12 10:47:00 peter
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* moved printstatus to verb_def
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+ V_Normal which is between V_Error and V_Warning and doesn't have a
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prefix like error: warning: and is included in V_Default
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* fixed some messages
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* first time parameter scan is only for -v and -T
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- removed old style messages
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Revision 1.8 1998/05/07 00:17:01 peter
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* smartlinking for sets
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+ consts labels are now concated/generated in hcodegen
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* moved some cpu code to cga and some none cpu depended code from cga
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to tree and hcodegen and cleanup of hcodegen
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* assembling .. output reduced for smartlinking ;)
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Revision 1.7 1998/05/06 15:04:21 pierre
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+ when trying to find source files of a ppufile
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check the includepathlist for included files
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the main file must still be in the same directory
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Revision 1.6 1998/05/06 08:38:52 pierre
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* better position info with UseTokenInfo
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UseTokenInfo greatly simplified
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+ added check for changed tree after first time firstpass
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(if we could remove all the cases were it happen
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we could skip all firstpass if firstpasscount > 1)
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Only with ExtDebug
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Revision 1.5 1998/04/30 15:59:43 pierre
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* GDB works again better :
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correct type info in one pass
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+ UseTokenInfo for better source position
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* fixed one remaining bug in scanner for line counts
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* several little fixes
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Revision 1.4 1998/04/29 10:34:08 pierre
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+ added some code for ansistring (not complete nor working yet)
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* corrected operator overloading
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* corrected nasm output
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+ started inline procedures
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+ added starstarn : use ** for exponentiation (^ gave problems)
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+ started UseTokenInfo cond to get accurate positions
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Revision 1.3 1998/04/21 10:16:49 peter
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* patches from strasbourg
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* objects is not used anymore in the fpc compiled version
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Revision 1.2 1998/04/07 22:45:05 florian
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* bug0092, bug0115 and bug0121 fixed
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+ packed object/class/array
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}
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