PAS2JS: VAL() - Incompatible type for arg no. 2: Got "Longint",
expected "Boolea
lazarus / 76-Pas2JS

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peter.dell · 2025-02-18 21:35

The following program compiles with with FPC, but results in
'Incompatible type for arg no. 2: Got "Longint", expected "Boolean'
for the val in PAS2JS:
I don't see were Booleans would come into play here.

Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i program
test; var     n: string;     v: integer;          p: word; begin  
n:='$123';  val(n,v,p);end.

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rca · 2025-02-18 22:40

pas2js has its own system.pas and is a little different from fpc.

Reviewing, pas2js has the following options for val: (system.pas)
Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i procedure
val(const S: String; out NI : NativeInt; out Code: Integer);
overload;procedure val(const S: String; out NI : NativeUInt; out Code:
Integer); overload;procedure val(const S: String; out SI : ShortInt;
out Code: Integer); overload;procedure val(const S: String; out B :
Byte; out Code: Integer); overload;procedure val(const S: String; out
SI : smallint; out Code: Integer); overload;procedure val(const S:
String; out W : word; out Code : Integer); overload;procedure
val(const S: String; out I : integer; out Code : Integer);
overload;procedure val(const S: String; out C : Cardinal; out Code:
Integer); overload;procedure val(const S: String; out d : double; out
Code : Integer); overload;procedure val(const S: String; out b :
boolean; out Code: Integer); overload; 
In all options, "out Code" is of type integer.

So your code would work if you change the type of variable from word
to integer:
Code: Pascal  [Select][+][-]window.onload = function(){var x1 =
document.getElementById("main_content_section"); if (x1) { var x =
document.getElementsByClassName("geshi");for (var i = 0; i var  n:
string;  v, p: integer;

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peter.dell · 2025-02-22 13:18

Thanks for the swift and precise reply. Val() issues are solved now.
On to the next problem :-)