Multiple projects support

bhl.inc.php

@@ -1,6 +1,7 @@
 <?php
 namespace taskman;
 use Exception;
+use stdClass;
 
 task('bhl_clean', function()
 {
@@ -21,18 +22,22 @@ function bhl_proj_file()
   return get('BHL_PROJ_FILE');
 }
 
-function bhl_proj()
+function bhl_proj(?string $proj_file = null)
 {
   global $GAME_ROOT;
 
-  static $proj;
+  static $projs = [];
-  if(!$proj)
+
+  $proj_file ??= bhl_proj_file();
+
+  if(!isset($projs[$proj_file]))
   {
-    $proj_file = bhl_proj_file();
     $proj = json_decode(ensure_read($proj_file));
     if(!$proj)
       throw new Exception("Bad bhl project file: $proj_file");
 
+    $proj->file_path = $proj_file; //NOTE: adding path to the file for convenience
+
     foreach($proj->src_dirs as $k => $v)
       $proj->src_dirs[$k] = _bhl_make_abs_path($proj_file, $v);
 
@@ -40,15 +45,22 @@ function bhl_proj()
       $proj->bindings_sources[$k] = _bhl_make_abs_path($proj_file, $v);
     $proj->bindings_dll= _bhl_make_abs_path($proj_file, $proj->bindings_dll);
 
+    if(isset($proj->postproc_sources))
+    {
       foreach($proj->postproc_sources as $k => $v)
         $proj->postproc_sources[$k] = _bhl_make_abs_path($proj_file, $v);
+    }
+
+    if(isset($proj->postproc_dll))
       $proj->postproc_dll = _bhl_make_abs_path($proj_file, $proj->postproc_dll);
 
     $proj->result_file = _bhl_make_abs_path($proj_file, $proj->result_file);
     $proj->error_file = _bhl_make_abs_path($proj_file, $proj->error_file);
     $proj->tmp_dir = _bhl_make_abs_path($proj_file, $proj->tmp_dir);
+
+    $projs[$proj_file] = $proj;
   }
-  return $proj;
+  return $projs[$proj_file];
 }
 
 function _bhl_make_abs_path($proj_file, $path)
@@ -59,10 +71,10 @@ function _bhl_make_abs_path($proj_file, $path)
     return $path;
 }
 
-function bhl_result_file()
+function bhl_result_file(stdClass $bhl_proj = null)
 {
-  global $GAME_ROOT;
+  $bhl_proj ??= bhl_proj();
-  return bhl_proj()->result_file;
+  return $bhl_proj->result_file;
 }
 
 function bhl_dir()
@@ -92,20 +104,22 @@ function bhl_shell_ensure($cmd)
     throw new Exception("Error executing shell cmd: $ret_var");
 }
 
-function bhl_scan_files()
+function bhl_scan_files(stdClass $bhl_proj = null)
 {
-  return scan_files_rec(bhl_proj()->src_dirs, array('.bhl'));
+  $bhl_proj ??= bhl_proj();
+  return scan_files_rec($bhl_proj->src_dirs, array('.bhl'));
 }
 
-function bhl_run($debug = true, $force = false, $exit_on_err = true)
+function bhl_run($debug = true, $force = false, $exit_on_err = true, stdClass $bhl_proj = null)
 {
   global $GAME_ROOT;
 
-  $result_file = bhl_proj()->result_file;
+  $bhl_proj ??= bhl_proj();
+  $result_file = $bhl_proj->result_file;
 
   if($force || need_to_regen($result_file, bhl_scan_files()))
   {
-    bhl_shell("compile -p " . bhl_proj_file() . " " .
+    bhl_shell("compile -p " . $bhl_proj->file_path . " " .
       ($debug ? " -d" : "") . " " .
       ($force || !getor("BHL_USE_CACHE", true) ? " -C" : ""),
       $ret_var, $ret_out
@@ -113,7 +127,7 @@ function bhl_run($debug = true, $force = false, $exit_on_err = true)
 
     if($ret_var != 0)
     {
-      bhl_handle_error_result($ret_out, bhl_proj()->error_file, $exit_on_err);
+      bhl_handle_error_result($ret_out, $bhl_proj->error_file, $exit_on_err);
       if(!$exit_on_err)
         return false;
     }
@@ -159,15 +173,16 @@ function bhl_handle_error_result(array $ret_out, $err_file, $exit = true)
     exit(1);
 }
 
-function bhl_clean()
+function bhl_clean(stdClass $bhl_proj = null)
 {
-  bhl_clean_cache();
+  bhl_clean_cache($bhl_proj);
   bhl_shell_ensure("clean");
 }
 
-function bhl_clean_cache()
+function bhl_clean_cache(stdClass $bhl_proj = null)
 {
-  ensure_rm(bhl_proj()->tmp_dir);
+  $bhl_proj ??= bhl_proj();
+  ensure_rm($bhl_proj->tmp_dir);
 }
 
 function bhl_show_position($line, $row, array $lines)
@@ -203,9 +218,10 @@ function bhl_line_row_to_pos($file, $line, $row)
   return $pos;
 }
 
-function bhl_map_module_to_file($module)
+function bhl_map_module_to_file($module, stdClass $bhl_proj = null)
 {
-  foreach(bhl_proj()->src_dirs as $dir)
+  $bhl_proj ??= bhl_proj();
+  foreach($bhl_proj->src_dirs as $dir)
   {
     $tmp = $dir.'/'.$module.'.bhl';
     if(file_exists($tmp))