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awk: Fix handling of functions with empty body

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ammend b79a0fef99 to properly
handle functions defined in another scope.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
This commit is contained in:
Bernhard Reutner-Fischer 2013-07-31 15:29:20 +02:00
parent e418b2e7bb
commit a060a1ad96
2 changed files with 29 additions and 1 deletions
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2
editors/awk.c
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@ -2662,7 +2662,7 @@ static var *evaluate(node *op, var *res)
const char *sv_progname;
/* The body might be empty, still has to eval the args */
if (!op->r.n->info)
if (!op->r.n->info && !op->r.f->body.first)
syntax_error(EMSG_UNDEF_FUNC);
vbeg = v = nvalloc(op->r.f->nargs + 1);

28
testsuite/awk.tests
View File

@ -44,6 +44,34 @@ testing "awk handles empty function f(arg){}" \
"L1\n\nL2\n\n" \
"" ""
prg='
function outer_fun() {
return 1
}
END {
i=1
print "L" i "\n"
i += outer_fun()
print "L" i "\n"
}'
testing "awk properly handles function from other scope" \
"awk '$prg'" \
"L1\n\nL2\n\n" \
"" ""
prg='
END {
i=1
print "L" i "\n"
i + trigger_error_fun()
print "L" i "\n"
}'
testing "awk properly handles undefined function" \
"awk '$prg' 2>&1" \
"L1\n\nawk: cmd. line:5: Call to undefined function\n" \
"" ""
optional DESKTOP
testing "awk hex const 1" "awk '{ print or(0xffffffff,1) }'" "4294967295\n" "" "\n"
testing "awk hex const 2" "awk '{ print or(0x80000000,1) }'" "2147483649\n" "" "\n"