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awk: fix handling of "if ... break ; else ..." - closes 7226

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2014-06-26 16:40:28 +02:00
parent 0b0ccd4570
commit 5f8daefb83
2 changed files with 18 additions and 0 deletions
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2
editors/awk.c
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@ -1540,12 +1540,14 @@ static void chain_group(void)
debug_printf_parse("%s: OC_BREAK\n", __func__);
n = chain_node(OC_EXEC);
n->a.n = break_ptr;
chain_expr(t_info);
break;
case OC_CONTINUE:
debug_printf_parse("%s: OC_CONTINUE\n", __func__);
n = chain_node(OC_EXEC);
n->a.n = continue_ptr;
chain_expr(t_info);
break;
/* delete, next, nextfile, return, exit */

16
testsuite/awk.tests
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@ -295,6 +295,22 @@ testing "awk -e and ARGC" \
""
SKIP=
# The examples are in fact not valid awk programs (break/continue
# can only be used inside loops).
# But we do accept them outside of loops.
# We had a bug with misparsing "break ; else" sequence.
# Test that *that* bug is fixed, using simplest possible scripts:
testing "awk break" \
"awk -f - 2>&1; echo \$?" \
"0\n" \
"" \
'BEGIN { if (1) break; else a = 1 }'
testing "awk continue" \
"awk -f - 2>&1; echo \$?" \
"0\n" \
"" \
'BEGIN { if (1) continue; else a = 1 }'
# testing "description" "command" "result" "infile" "stdin"
exit $FAILCOUNT