+2001-10-12 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmain.c (struct printer): New member source.
+ (scan_translation_unit): Fix spacing at start of lines.
+ (cb_line_change): Update.
+
+ * gcc.dg/cpp/spacing2.c: New test.
+
2001-10-12 Hans-Peter Nilsson <hp@axis.com>
* config/cris/arit.c: Use __builtin_labs, not abs.
FILE *outf; /* Stream to write to. */
const struct line_map *map; /* Logical to physical line mappings. */
const cpp_token *prev; /* Previous token. */
+ const cpp_token *source; /* Source token for spacing. */
unsigned int line; /* Line currently being written. */
unsigned char printed; /* Nonzero if something output at line. */
};
cpp_reader *pfile;
{
bool avoid_paste = false;
- const cpp_token *source = NULL;
+ print.source = NULL;
for (;;)
{
const cpp_token *token = cpp_get_token (pfile);
if (token->type == CPP_PADDING)
{
avoid_paste = true;
- if (source == NULL
- || (!(source->flags & PREV_WHITE) && token->val.source == NULL))
- source = token->val.source;
+ if (print.source == NULL
+ || (!(print.source->flags & PREV_WHITE)
+ && token->val.source == NULL))
+ print.source = token->val.source;
continue;
}
/* Subtle logic to output a space if and only if necessary. */
if (avoid_paste)
{
- if (source == NULL)
- source = token;
- if (source->flags & PREV_WHITE
+ if (print.source == NULL)
+ print.source = token;
+ if (print.source->flags & PREV_WHITE
|| (print.prev && cpp_avoid_paste (pfile, print.prev, token))
|| (print.prev == NULL && token->type == CPP_HASH))
putc (' ', print.outf);
putc (' ', print.outf);
avoid_paste = false;
- source = NULL;
+ print.source = NULL;
print.prev = token;
cpp_output_token (token, print.outf);
maybe_print_line (print.map, token->line);
print.printed = 1;
print.prev = 0;
+ print.source = 0;
/* Supply enough spaces to put this token in its original column,
one space per column greater than 2, since scan_translation_unit
--- /dev/null
+/* Copyright (C) 2001 Free Software Foundation, Inc. */
+
+/* { dg-do preprocess } */
+
+/* We used to output an unnecessary leading space, leading to Emacs
+ confusion with its Makefile abuse.
+
+ Neil Booth, 12 Oct 2001. */
+
+#define EMPTY
+#define foo bar
+
+a = EMPTY
+foo.. /* No leading space on output. */
+
+/*
+ { dg-final { if ![file exists spacing2.i] { return } } }
+ { dg-final { if \{ [grep spacing2.i "^bar\.\."] != "" \} \{ } }
+ { dg-final { return \} } }
+ { dg-final { fail "spacing2.c: spacing issues" } }
+*/