added !execute

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@3594 212acab6-be3b-0410-9dea-997c60f758d6

Source/script.cpp

@@ -2603,6 +2603,23 @@ int CEXEBuild::doCommand(int which_token, LineParser &line)
         SCRIPT_MSG("!system: returned %d\n",ret);
       }
     return PS_OK;
+    case TOK_P_EXECUTE:
+      {
+        char *exec=line.gettoken_str(1);
+#ifdef _WIN32
+        PROCESS_INFORMATION pi;
+        STARTUPINFO si={sizeof(STARTUPINFO),};
+        if (CreateProcess(NULL,exec,NULL,NULL,FALSE,0,NULL,NULL,&si,&pi))
+        {
+          WaitForSingleObject(pi.hProcess,INFINITE);
+          CloseHandle(pi.hThread);
+          CloseHandle(pi.hProcess);
+        }
+#else
+        system(exec);
+#endif
+        SCRIPT_MSG("!execute: \"%s\"\n",exec);
+      }
     case TOK_P_ADDINCLUDEDIR:
       include_dirs.add(line.gettoken_str(1),0);
     return PS_OK;

Source/tokens.cpp

@@ -216,6 +216,7 @@ static tokenType tokenlist[TOK__LAST] =
 {TOK_XPSTYLE, "XPStyle",1,0,"(on|off)",TP_GLOBAL},
 {TOK_P_PACKEXEHEADER,"!packhdr",2,0,"temp_file_name command_line_to_compress_that_temp_file",TP_ALL},
 {TOK_P_SYSTEMEXEC,"!system",1,2,"command [<|>|<>|=) retval]",TP_ALL},
+{TOK_P_EXECUTE,"!execute",1,0,"command",TP_ALL},
 {TOK_P_ADDINCLUDEDIR,"!AddIncludeDir",1,0,"dir",TP_ALL},
 {TOK_P_INCLUDE,"!include",1,0,"filename.nsi",TP_ALL},
 {TOK_P_CD,"!cd",1,0,"absolute_or_relative_new_directory",TP_ALL},

Source/tokens.h

@@ -79,6 +79,7 @@ enum
   TOK_P_UNDEF,
   TOK_P_PACKEXEHEADER,
   TOK_P_SYSTEMEXEC,
+  TOK_P_EXECUTE,
   TOK_P_ADDINCLUDEDIR,
   TOK_P_INCLUDE,
   TOK_P_CD,