fix: avoiding lua compilation issues by setting wide enough lrecl

build.py

@@ -22,8 +22,15 @@ for file in files:
         for line in infile:
             ml.write("  put '" + line.rstrip().replace("'", "''") + " ';\n")
     ml.write("run;\n\n")
+
+    ml.write("/* ensure big enough lrecl to avoid lua compilation issues */\n")
+    ml.write("%local optval;\n")
+    ml.write("%let optval=%sysfunc(getoption(lrecl));\n")
+    ml.write("options lrecl=1024;\n\n")
+    ml.write("/* execute the lua code by using a .lua extension */\n")
     ml.write("%inc \"%sysfunc(pathname(work))/" +
              name + ".lua\" /source2;\n\n")
+    ml.write("options lrecl=&optval;\n\n")
     ml.write("%mend " + name + ";\n")
 
 ml.close()

lua/ml_gsubfile.sas

@@ -39,6 +39,14 @@ data _null_;
   put 'io.close(file) ';
 run;
 
+/* ensure big enough lrecl to avoid lua compilation issues */
+%local optval;
+%let optval=%sysfunc(getoption(lrecl));
+options lrecl=1024;
+
+/* execute the lua code by using a .lua extension */
 %inc "%sysfunc(pathname(work))/ml_gsubfile.lua" /source2;
 
+options lrecl=&optval;
+
 %mend ml_gsubfile;

lua/ml_json.sas

@@ -389,6 +389,14 @@ data _null_;
   put '-- JSON.LUA ENDS HERE ';
 run;
 
+/* ensure big enough lrecl to avoid lua compilation issues */
+%local optval;
+%let optval=%sysfunc(getoption(lrecl));
+options lrecl=1024;
+
+/* execute the lua code by using a .lua extension */
 %inc "%sysfunc(pathname(work))/ml_json.lua" /source2;
 
+options lrecl=&optval;
+
 %mend ml_json;