Extra strings: Add no-translate tag

src/strgen/strgen.cpp

@@ -231,15 +231,6 @@ void FileStringReader::HandlePragma(char *str)
 		} else {
 			error("Invalid override mode %s", str + 9);
 		}
-	} else if (!memcmp(str, "override ", 9)) {
-		if (this->translation) error("Overrides are only allowed in the base translation.");
-		if (!memcmp(str + 9, "on", 2)) {
-			this->data.override_mode = true;
-		} else if (!memcmp(str + 9, "off", 3)) {
-			this->data.override_mode = false;
-		} else {
-			error("Invalid override mode %s", str + 9);
-		}
 	} else if (!memcmp(str, "after ", 6)) {
 		if (this->translation) error("Insert after is only allowed in the base translation.");
 		LangString *ent = this->data.Find(str + 6);
@@ -269,6 +260,15 @@ void FileStringReader::HandlePragma(char *str)
 		} else {
 			error("Can't find string to use as default translation: '%s'", str + 20);
 		}
+	} else if (!memcmp(str, "no-translate ", 13)) {
+		if (this->translation) error("No-translate sections are only allowed in the base translation.");
+		if (!memcmp(str + 13, "on", 2)) {
+			this->data.no_translate_mode = true;
+		} else if (!memcmp(str + 13, "off", 3)) {
+			this->data.no_translate_mode = false;
+		} else {
+			error("Invalid no-translate mode %s", str + 13);
+		}
 	} else {
 		StringReader::HandlePragma(str);
 	}

src/strgen/strgen.h

@@ -37,6 +37,7 @@ struct LangString {
 	Case *translated_case; ///< Cases of the translation.
 	std::unique_ptr<LangString> chain_before;
 	std::unique_ptr<LangString> chain_after;
+	bool no_translate_mode = false;
 	LangString *default_translation = nullptr;
 
 	LangString(const char *name, const char *english, int index, int line);
@@ -57,6 +58,7 @@ struct StringData {
 	LangString *insert_before = nullptr;
 	LangString *insert_after = nullptr;
 	bool override_mode = false;
+	bool no_translate_mode = false;
 	LangString *default_translation = nullptr;
 
 	StringData(size_t tabs);

src/strgen/strgen_base.cpp

@@ -770,6 +770,7 @@ void StringReader::HandleString(char *str)
 
 		/* Allocate a new LangString */
 		std::unique_ptr<LangString> ls(new LangString(str, s, this->data.next_string_id, _cur_line));
+		if (this->data.no_translate_mode) ls->no_translate_mode = true;
 		this->data.next_string_id = -1;
 		this->data.Add(str, ls.get());
 
@@ -796,6 +797,11 @@ void StringReader::HandleString(char *str)
 			return;
 		}
 
+		if (ent->no_translate_mode && _translation) {
+			strgen_error("String name '%s' is marked as no-translate", str);
+			return;
+		}
+
 		if (ent->translated && casep == nullptr) {
 			if (this->data.override_mode) {
 				free(ent->translated);
@@ -1024,7 +1030,7 @@ void LanguageWriter::WriteLang(const StringData &data)
 
 		for (uint j = 0; j != in_use[tab]; j++) {
 			const LangString *ls = data.strings[(tab * TAB_SIZE) + j];
-			if (ls != nullptr && ls->translated == nullptr && ls->default_translation == nullptr) {
+			if (ls != nullptr && ls->translated == nullptr && ls->default_translation == nullptr && !ls->no_translate_mode) {
 				_lang.missing++;
 			}
 		}