Warnung in systemunit.pas entfernt

2 files changed, 17 insertions, 1 deletions

diff --git a/matheunit.pas b/matheunit.pas
index 61c1eea..7b00e52 100644
--- a/matheunit.pas
+++ b/matheunit.pas
@@ -468,6 +468,21 @@ begin
        floattostr(exprtofloat(st,copy(s,pos('(',s)+1,i-pos('(',s)-1),kvs,cbgv))+
        copy(s,i+1,length(s)-i);
   end;
+
+  if assigned(cbgv) then
+    while pos('[',s)>0 do begin
+      i:=pos('[',s)-1;      // i wird Index des letzten Zeichens vor "Werte[bla].blubb" o. ä.
+      while (i>0) and not (s[i] in ['+','-','*','/','^']) do
+        dec(i);
+      j:=pos(']',s)+1;      // j wird Index des ersten Zeichens nach "Werte[bla].blubb" o. ä.
+      while (j<=length(s)) and not (s[j] in ['+','-','*','/','^']) do
+        inc(j);
+
+      s:=copy(s,1,i)+                         // vorher
+         floattostr(cbgv(copy(s,i+1,j-i-1)))+ // zwischen
+         copy(s,j,length(s)-j+1);             // nachher
+    end;
+
   if (binOpPos('+',s)>0) or (binOpPos('-',s)>0) then begin
     result:=0;
     inv:=false;
@@ -507,7 +522,7 @@ begin
   for i:=1 to length(s) do
     cbv:=cbv or not (s[i] in ['-','0'..'9','.',',','e','E']);
   if not cbv then result:=strtofloat(s)
-  else if not kvs.extract(s,result) then begin
+  else if not (assigned(kvs) and kvs.extract(s,result)) then begin
     if st then result:=1
     else if assigned(cbgv) then result:=cbgv(s)
     else begin
diff --git a/systemunit.pas b/systemunit.pas
index 6b858b2..763c8db 100644
--- a/systemunit.pas
+++ b/systemunit.pas
@@ -156,6 +156,7 @@ begin
   args[0]:='-f';
   args[1]:='-n';
   args[2]:=s;
+  result:='';
   if not runCommand('readlink',args,result) then
     raise exception.create('Fehler beim Ausführen von ''readlink -f -n '+s+'''!');
 end;