nuxfs: Added macro support.

Signed-off-by: Tony Tkacik <tonydamage@gmail.com>

inc/dsl/nuxfs.describe.dsl

@@ -3,3 +3,7 @@
 .entered() {
   nux.dsl.info "$rel_path" $keyword
 }
+
+.check() {
+  return 0;
+}

inc/dsl/nuxfs.dsl

@@ -21,6 +21,7 @@ sdir() {
 .allways.preprocess() {
   abs_path=$(realpath -Lms "$NUXFS_DEF_DIR/$path");
   rel_path=$(realpath -Lms "$abs_path" --relative-base="$WORKDIR");
+  def_path=$(realpath -Lms "$path" --relative-to="$NUXFS_DEF_DIR")
 }
 
 .check() {
@@ -28,6 +29,17 @@ sdir() {
   nux.check.file.exists "$abs_path"
 }
 
+.check.failed() {
+  if [ -z "$NUXFS_IGNORE_MISSING" ]; then
+    nux.dsl.error "$rel_path" does not exists.
+  fi
+}
+dir.entered() {
+  if nux.check.file.exists "$abs_path/.nuxfs"; then
+    source "$abs_path/.nuxfs"
+  fi
+}
+
 should-not-exists.check() {
   nux.log trace "Checking existence of $NC_White$abs_path$NC_No"
   if nux.check.file.exists "$abs_path"; then
@@ -41,12 +53,3 @@ should-not-exists.check.failed() {
     nux.dsl.error $f Should not exists, but is present.
   done
 }
-
-.check.failed() {
-  nux.dsl.error "$rel_path" does not exists.
-}
-dir.entered() {
-  if nux.check.file.exists "$abs_path/.nuxfs"; then
-    source "$abs_path/.nuxfs"
-  fi
-}

inc/nux-base.inc.sh

@@ -74,3 +74,15 @@ function nux.eval {
   nux.log trace Going to evaluate "$@"
   eval "$@"
 }
+
+function nux.exec.optional {
+  local FUNC="$1"; shift;
+  if nux.check.function $FUNC; then
+    nux.log trace  Executing optional: ${NC_White}${FUNC}${NC_No} "$@";
+    $FUNC "$@"
+  fi
+}
+
+function nux.dirty.urlencode {
+    echo -n "$1" | sed "s/ /%20/g"
+}

inc/nux.dsl.inc.sh

@@ -55,17 +55,12 @@ function nux.dsl.keyword.exec {
   local ALLWAYS_NAME=.allways$func;
 
 	shift; shift;
-  if nux.check.function $ALLWAYS_NAME; then
-		nux.log trace  Executing: $NC_White$ALLWAYS_NAME$NC_No "$@";
-		$ALLWAYS_NAME "$@";
-  fi
+	nux.exec.optional $ALLWAYS_NAME "$@";
   if nux.check.function $FUNC_NAME; then
-		nux.log trace  Executing: $NC_White$FUNC_NAME$NC_No "$@";
-		$FUNC_NAME "$@";
+		nux.exec.optional $FUNC_NAME "$@";
 		return $?;
 	elif nux.check.function $DEFAULT_NAME; then
-		nux.log trace  Executing: $NC_White$DEFAULT_NAME$NC_No "$@";
-		$DEFAULT_NAME "$@";
+		nux.exec.optional $DEFAULT_NAME "$@";
 		return $?;
 	fi
 }
@@ -186,6 +181,20 @@ function nux.dsl.execute {
     """
   }
 
+  .macro() {
+    local keyword=$1
+    nux.log trace Defining macro $NC_White"$keyword"
+    nux.eval """
+      ${keyword}() {
+        $(.arg.parser "$@")
+        nux.exec.optional ${keyword}.entered \"\$@\"
+      }
+      end${keyword}() {
+        return 0;
+      }
+    """
+  }
+
   .keyword.virtual() {
     local keyword=$1
     .keyword "$@"