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[SCM] GNU M4 source repository branch, master, updated. cvs-readonly-193
From: |
Eric Blake |
Subject: |
[SCM] GNU M4 source repository branch, master, updated. cvs-readonly-193-ga2cdd6b |
Date: |
Mon, 16 Feb 2009 13:31:18 +0000 |
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- Log -----------------------------------------------------------------
commit a2cdd6be73989df7e62caa8bfc55327fee3c9fac
Author: Eric Blake <address@hidden>
Date: Mon Feb 16 06:21:20 2009 -0700
Fix regression in multicharacter quotes, from 2008-01-26.
* m4/input.c (m4__next_token): Fix typo.
* tests/builtins.at (changequote): Enhance test.
Signed-off-by: Eric Blake <address@hidden>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
m4/input.c | 20 ++++++++++----------
tests/builtins.at | 4 ++++
3 files changed, 20 insertions(+), 10 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 6717a8a..90957fd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-02-16 Eric Blake <address@hidden>
+
+ Fix regression in multicharacter quotes, from 2008-01-26.
+ * m4/input.c (m4__next_token): Fix typo.
+ * tests/builtins.at (changequote): Enhance test.
+
2009-02-13 Eric Blake <address@hidden>
Speed up parsing when detecting input file change.
diff --git a/m4/input.c b/m4/input.c
index 2672386..ba2e467 100644
--- a/m4/input.c
+++ b/m4/input.c
@@ -1418,15 +1418,15 @@ match_input (m4 *context, const char *s, size_t len,
bool consume)
}
/* The macro MATCH() is used to match a string S of length LEN against
- the input. The first character is handled inline for speed, and
- S[LEN] must be safe to dereference (it is faster to do character
- comparison prior to length checks). This improves efficiency for
- the common case of single character quotes and comment delimiters,
- while being safe for disabled delimiters as well as longer
- delimiters. If CONSUME, then CH is the result of next_char, and a
- successful match will discard the matched string. Otherwise, CH is
- the result of peek_char, and the input stream is effectively
- unchanged. */
+ the input. The first character is handled inline for speed, and
+ S[LEN] must be safe to dereference (it is faster to do character
+ comparison prior to length checks). This improves efficiency for
+ the common case of single character quotes and comment delimiters,
+ while being safe for disabled delimiters as well as longer
+ delimiters. If CONSUME, then CH is the result of next_char, and a
+ successful match will discard the matched string. Otherwise, CH is
+ the result of peek_char, and the input stream is effectively
+ unchanged. */
#define MATCH(C, ch, s, len, consume) \
(to_uchar ((s)[0]) == (ch) \
&& ((len) >> 1 ? match_input (C, s, len, consume) : (len)))
@@ -1678,7 +1678,7 @@ m4__next_token (m4 *context, m4_symbol_value *token, int
*line,
{
quote_level++;
obstack_grow (obs_safe, context->syntax->quote.str1,
- context->syntax->quote.len2);
+ context->syntax->quote.len1);
}
else
obstack_1grow (obs_safe, ch);
diff --git a/tests/builtins.at b/tests/builtins.at
index 397f649..46ce548 100644
--- a/tests/builtins.at
+++ b/tests/builtins.at
@@ -133,11 +133,15 @@ AT_DATA([in.m4],
[[define(`aaaaaaaaaaaaaaaaaaaa', `A')define(`q', `"$@"')
changequote(`"', `"')
q(q("aaaaaaaaaaaaaaaaaaaa", "a"))
+changequote`'define(`echo', `$@')dnl
+changequote(`<<<', `>>')dnl
+echo(<<<a<<<b>>>>)
]])
AT_CHECK_M4([in.m4], [0], [[
A,a
+a<<<b>>
]])
AT_CLEANUP
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