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[PATCH 2/4] scanner: bad character literals are errors
From: |
Akim Demaille |
Subject: |
[PATCH 2/4] scanner: bad character literals are errors |
Date: |
Tue, 28 Apr 2020 07:20:04 +0200 |
* src/scan-gram.l: These are errors, not warnings.
* tests/input.at: Adjust.
---
src/scan-gram.l | 5 ++---
tests/input.at | 38 +++++++++++++++++++-------------------
2 files changed, 21 insertions(+), 22 deletions(-)
diff --git a/src/scan-gram.l b/src/scan-gram.l
index 19573f3c..a6ea01ce 100644
--- a/src/scan-gram.l
+++ b/src/scan-gram.l
@@ -566,15 +566,14 @@ eqopt ({sp}=)?
loc->start = token_start;
val->CHAR = last_string[0];
- /* FIXME: Eventually, make these errors. */
if (last_string[0] == '\0')
{
- complain (loc, Wother, _("empty character literal"));
+ complain (loc, complaint, _("empty character literal"));
/* '\0' seems dangerous even if we are about to complain. */
val->CHAR = '\'';
}
else if (last_string[1] != '\0')
- complain (loc, Wother,
+ complain (loc, complaint,
_("extra characters in character literal"));
STRING_FREE;
BEGIN INITIAL;
diff --git a/tests/input.at b/tests/input.at
index 27902d06..a5501b3e 100644
--- a/tests/input.at
+++ b/tests/input.at
@@ -2339,19 +2339,19 @@ start: '
start: ']])
AT_BISON_CHECK([-fcaret empty.y], [1], [],
-[[empty.y:2.8-9: warning: empty character literal [-Wother]
+[[empty.y:2.8-9: error: empty character literal
2 | start: '';
| ^~
empty.y:3.8-4.0: error: missing "'" at end of line
3 | start: '
| ^
-empty.y:3.8-4.0: warning: empty character literal [-Wother]
+empty.y:3.8-4.0: error: empty character literal
3 | start: '
| ^
empty.y:4.8: error: missing "'" at end of file
4 | start: '
| ^
-empty.y:4.8: warning: empty character literal [-Wother]
+empty.y:4.8: error: empty character literal
4 | start: '
| ^
]])
@@ -2363,11 +2363,11 @@ start: 'ab
start: 'ab]])
AT_BISON_CHECK([two.y], [1], [],
-[[two.y:2.8-11: warning: extra characters in character literal [-Wother]
+[[two.y:2.8-11: error: extra characters in character literal
two.y:3.8-4.0: error: missing "'" at end of line
-two.y:3.8-4.0: warning: extra characters in character literal [-Wother]
+two.y:3.8-4.0: error: extra characters in character literal
two.y:4.8-10: error: missing "'" at end of file
-two.y:4.8-10: warning: extra characters in character literal [-Wother]
+two.y:4.8-10: error: extra characters in character literal
]])
AT_DATA_NO_FINAL_EOL([three.y],
@@ -2377,11 +2377,11 @@ start: 'abc
start: 'abc]])
AT_BISON_CHECK([three.y], [1], [],
-[[three.y:2.8-12: warning: extra characters in character literal [-Wother]
+[[three.y:2.8-12: error: extra characters in character literal
three.y:3.8-4.0: error: missing "'" at end of line
-three.y:3.8-4.0: warning: extra characters in character literal [-Wother]
+three.y:3.8-4.0: error: extra characters in character literal
three.y:4.8-11: error: missing "'" at end of file
-three.y:4.8-11: warning: extra characters in character literal [-Wother]
+three.y:4.8-11: error: extra characters in character literal
]])
AT_CLEANUP
@@ -2408,25 +2408,25 @@ AT_PERL_REQUIRE([[-e 'print "start:
\"\\\t\\\f\\\0\\\1\" ;";' >> input.y]])
AT_BISON_CHECK([input.y], [1], [],
[[input.y:2.9-12: error: invalid number after \-escape: 777
-input.y:2.8-13: warning: empty character literal [-Wother]
+input.y:2.8-13: error: empty character literal
input.y:2.16-17: error: invalid number after \-escape: 0
-input.y:2.15-18: warning: empty character literal [-Wother]
+input.y:2.15-18: error: empty character literal
input.y:2.21-25: error: invalid number after \-escape: xfff
-input.y:2.20-26: warning: empty character literal [-Wother]
+input.y:2.20-26: error: empty character literal
input.y:2.29-31: error: invalid number after \-escape: x0
-input.y:2.28-32: warning: empty character literal [-Wother]
+input.y:2.28-32: error: empty character literal
input.y:3.9-14: error: invalid number after \-escape: uffff
-input.y:3.8-15: warning: empty character literal [-Wother]
+input.y:3.8-15: error: empty character literal
input.y:3.18-23: error: invalid number after \-escape: u0000
-input.y:3.17-24: warning: empty character literal [-Wother]
+input.y:3.17-24: error: empty character literal
input.y:3.27-36: error: invalid number after \-escape: Uffffffff
-input.y:3.26-37: warning: empty character literal [-Wother]
+input.y:3.26-37: error: empty character literal
input.y:3.40-49: error: invalid number after \-escape: U00000000
-input.y:3.39-50: warning: empty character literal [-Wother]
+input.y:3.39-50: error: empty character literal
input.y:4.9-10: error: invalid character after \-escape: ' '
-input.y:4.8-11: warning: empty character literal [-Wother]
+input.y:4.8-11: error: empty character literal
input.y:4.14-15: error: invalid character after \-escape: A
-input.y:4.13-16: warning: empty character literal [-Wother]
+input.y:4.13-16: error: empty character literal
input.y:5.9-16: error: invalid character after \-escape: \t
input.y:5.17: error: invalid character after \-escape: \f
input.y:5.18: error: invalid character after \-escape: \0
--
2.26.2