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* moved the pass_1 handling of vecnodes for arraydefs to a new virtual method

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tvecnode.first_arraydef. This will allow overriding it in the i8086 code
  generator in order to handle huge arrays.

git-svn-id: trunk@28271 -
This commit is contained in:
nickysn 2014-07-26 16:18:57 +00:00
parent 36d63b953e
commit 235a37fad4
1 changed files with 28 additions and 10 deletions
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38
compiler/nmem.pas
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@ -106,6 +106,9 @@ interface
tsubscriptnodeclass = class of tsubscriptnode; tsubscriptnodeclass = class of tsubscriptnode;
tvecnode = class(tbinarynode) tvecnode = class(tbinarynode)
protected
function first_arraydef: tnode; virtual;
public
constructor create(l,r : tnode);virtual; constructor create(l,r : tnode);virtual;
function pass_1 : tnode;override; function pass_1 : tnode;override;
function pass_typecheck:tnode;override; function pass_typecheck:tnode;override;
@ -1106,17 +1109,32 @@ implementation
tcallnode.gen_high_tree } tcallnode.gen_high_tree }
if (right.nodetype=rangen) then if (right.nodetype=rangen) then
CGMessagePos(right.fileinfo,parser_e_illegal_expression) CGMessagePos(right.fileinfo,parser_e_illegal_expression)
else if (not is_packed_array(left.resultdef)) or else if left.resultdef.typ=arraydef then
((tarraydef(left.resultdef).elepackedbitsize mod 8) = 0) then result:=first_arraydef
if left.expectloc=LOC_CREFERENCE then
expectloc:=LOC_CREFERENCE
else
expectloc:=LOC_REFERENCE
else else
if left.expectloc=LOC_CREFERENCE then begin
expectloc:=LOC_CSUBSETREF if left.expectloc=LOC_CREFERENCE then
else expectloc:=LOC_CREFERENCE
expectloc:=LOC_SUBSETREF; else
expectloc:=LOC_REFERENCE
end;
end;
function tvecnode.first_arraydef: tnode;
begin
result:=nil;
if (not is_packed_array(left.resultdef)) or
((tarraydef(left.resultdef).elepackedbitsize mod 8) = 0) then
if left.expectloc=LOC_CREFERENCE then
expectloc:=LOC_CREFERENCE
else
expectloc:=LOC_REFERENCE
else
if left.expectloc=LOC_CREFERENCE then
expectloc:=LOC_CSUBSETREF
else
expectloc:=LOC_SUBSETREF;
end; end;