refactor setting tone_out in TranslateClause

src/libespeak-ng/translate.c

 
 	int terminator;
 	int tone;
-	int tone2;
 
 	if (tr == NULL)
 		return;
 
 	for (ix = 0; ix < N_TR_SOURCE; ix++)
 		charix[ix] = 0;
-	terminator = ReadClause(tr, source, charix, &charix_top, N_TR_SOURCE, &tone2, voice_change_name);
+	terminator = ReadClause(tr, source, charix, &charix_top, N_TR_SOURCE, &tone, voice_change_name);
+
+	if (tone_out != NULL) {
+		if (tone == 0)
+			*tone_out = (terminator & CLAUSE_INTONATION_TYPE) >> 12; // tone type not overridden in ReadClause, use default
+		else
+			*tone_out = tone; // override tone type
+	}
 
 	charix[charix_top+1] = 0;
 	charix[charix_top+2] = 0x7fff;
 	if (terminator & CLAUSE_PAUSE_LONG)
 		clause_pause = clause_pause * 32; // pause value is *320mS not *10mS
 
-	tone = (terminator & CLAUSE_INTONATION_TYPE) >> 12;
-	if (tone2 != 0) {
-		// override the tone type
-		tone = tone2;
-	}
-
 	for (p = source; *p != 0; p++) {
 		if (!isspace2(*p))
 			break;
 			if ((dict_flags & (FLAG_ALLOW_DOT | FLAG_NEEDS_DOT)) && (ix == word_count - 1 - dictionary_skipwords) && (terminator & CLAUSE_DOT_AFTER_LAST_WORD)) {
 				// probably an abbreviation such as Mr. or B. rather than end of sentence
 				clause_pause = 10;
-				tone = 4;
+				if (tone_out != NULL)
+					*tone_out = 4;
 			}
 		}
 
 
 	prev_clause_pause = clause_pause;
 
-	if (tone_out != NULL)
-		*tone_out = tone;
-
 	new_sentence = false;
 	if (terminator & CLAUSE_TYPE_SENTENCE)
 		new_sentence = true; // next clause is a new sentence