Merge branch 'remove-end-line-tracking'

Remove end line tracking from lexer tokens.  The end line information is
not used at the moment, and there doesn't seem to be a reason to use it
in the near future either.

src/duk_js_compiler.c

@@ -442,19 +442,17 @@ static void duk__advance_helper(duk_compiler_ctx *comp_ctx, duk_small_int_t expe
 	                                 comp_ctx->curr_func.is_strict,
 	                                 regexp);
 
-	DUK_DDD(DUK_DDDPRINT("advance: curr: tok=%ld/%ld,%ld-%ld,term=%ld,%!T,%!T "
-	                     "prev: tok=%ld/%ld,%ld-%ld,term=%ld,%!T,%!T",
+	DUK_DDD(DUK_DDDPRINT("advance: curr: tok=%ld/%ld,%ld,term=%ld,%!T,%!T "
+	                     "prev: tok=%ld/%ld,%ld,term=%ld,%!T,%!T",
 	                     (long) comp_ctx->curr_token.t,
 	                     (long) comp_ctx->curr_token.t_nores,
 	                     (long) comp_ctx->curr_token.start_line,
-	                     (long) comp_ctx->curr_token.end_line,
 	                     (long) comp_ctx->curr_token.lineterm,
 	                     (duk_tval *) duk_get_tval(ctx, comp_ctx->tok11_idx),
 	                     (duk_tval *) duk_get_tval(ctx, comp_ctx->tok12_idx),
 	                     (long) comp_ctx->prev_token.t,
 	                     (long) comp_ctx->prev_token.t_nores,
 	                     (long) comp_ctx->prev_token.start_line,
-	                     (long) comp_ctx->prev_token.end_line,
 	                     (long) comp_ctx->prev_token.lineterm,
 	                     (duk_tval *) duk_get_tval(ctx, comp_ctx->tok21_idx),
 	                     (duk_tval *) duk_get_tval(ctx, comp_ctx->tok22_idx)));

src/duk_lexer.c

@@ -536,7 +536,6 @@ static void duk__parse_input_element_raw(duk_lexer_ctx *lex_ctx,
 	out_token->num_escapes = 0;
 	out_token->start_line = lex_ctx->lines[0];
 	out_token->start_offset = lex_ctx->offsets[0];
-	/* out_token->end_line set at exit */
 	/* out_token->lineterm set by caller */
 
 	duk_to_undefined((duk_context *) lex_ctx->thr, lex_ctx->slot1_idx);
@@ -1267,7 +1266,6 @@ static void duk__parse_input_element_raw(duk_lexer_ctx *lex_ctx,
 	if (out_token->t_nores < 0) {
 		out_token->t_nores = out_token->t;
 	}
-	out_token->end_line = lex_ctx->lines[0];
 }
 
 /*
@@ -1295,8 +1293,8 @@ void duk_lexer_parse_js_input_element(duk_lexer_ctx *lex_ctx,
 		duk__parse_input_element_raw(lex_ctx, out_token, strict_mode, regexp_mode);
 		tok = out_token->t;
 
-		DUK_DDD(DUK_DDDPRINT("RAWTOKEN: %ld (line %ld-%ld)",
-		                     (long) tok, (long) out_token->start_line, (long) out_token->end_line));
+		DUK_DDD(DUK_DDDPRINT("RAWTOKEN: %ld (line %ld)",
+		                     (long) tok, (long) out_token->start_line));
 
 		if (tok == DUK_TOK_COMMENT) {
 			/* single-line comment or multi-line comment without an internal lineterm */

src/duk_lexer.h

@@ -357,7 +357,6 @@ struct duk_token {
 	duk_hstring *str2;            /* string 2 of token (borrowed, stored to ctx->slot1_idx) */
 	duk_size_t start_offset;      /* start byte offset of token in lexer input */
 	duk_int_t start_line;         /* start line of token (first char) */
-	duk_int_t end_line;           /* end line of token (char after last token char) */
 	duk_int_t num_escapes;        /* number of escapes and line continuations (for directive prologue) */
 	duk_bool_t lineterm;          /* token was preceded by a lineterm */
 	duk_bool_t allow_auto_semi;   /* token allows automatic semicolon insertion (eof or preceded by newline) */