tools: generate logs in a selected directory

[nit.git] / src / mmloader.nit

diff --git a/src/mmloader.nit b/src/mmloader.nit
index 60e84f1..04c3a98 100644 (file)
--- a/src/mmloader.nit
+++ b/src/mmloader.nit
@@ -55,6 +55,9 @@ special MMContext
        # Number of warnings
        readable var _warning_count: Int = 0
 
+       # Directory where to generate log files
+       readable var _log_directory: String = "logs"
+
        # Messages
        var _messages: Array[Message] = new Array[Message]
        var _message_sorter: ComparableSorter[Message] = new ComparableSorter[Message]
@@ -123,9 +126,12 @@ special MMContext
        # Option --path
        readable var _opt_path: OptionArray = new OptionArray("Set include path for loaders (may be used more than once)", "-I", "--path")
 
-       # Option --lop
+       # Option --log
        readable var _opt_log: OptionBool = new OptionBool("Generate various log files", "--log")
-       
+
+       # Option --log-dir
+       readable var _opt_log_dir: OptionString = new OptionString("Directory where to generate log files", "--log-dir")
+
        # Option --only-metamodel
        readable var _opt_only_metamodel: OptionBool = new OptionBool("Stop after meta-model processing", "--only-metamodel")
 
@@ -147,7 +153,7 @@ special MMContext
        init
        do
                super
-               option_context.add_option(opt_warn, opt_path, opt_log, opt_only_parse, opt_only_metamodel, opt_help, opt_version, opt_verbose)
+               option_context.add_option(opt_warn, opt_path, opt_log, opt_log_dir, opt_only_parse, opt_only_metamodel, opt_help, opt_version, opt_verbose)
        end
 
        # Parse and process the options given on the command line
@@ -175,6 +181,12 @@ special MMContext
 
                var libname = "{sys.program_name.dirname}/../lib"
                if libname.file_exists then paths.add(libname)
+
+               if opt_log_dir.value != null then _log_directory = opt_log_dir.value.as(not null)
+               if _opt_log.value then
+                       # Make sure the output directory exists
+                       log_directory.mkdir
+               end
        end
 
        # Load and process a module in a directory (or a parent directory).