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- Add two checks for syntax errors

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- Improve error reporting
- Remove redundant conditionals
This commit is contained in:
Diomidis Spinellis 2006-05-30 21:13:28 +00:00
parent f69ec7af12
commit 44d6e87b07
1 changed files with 13 additions and 7 deletions
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20
sys/tools/vnode_if.awk
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@ -47,6 +47,7 @@ function usage()
function die(msg, what)
{
printf srcfile "(" fnr "): " > "/dev/stderr";
printf msg "\n", what > "/dev/stderr";
exit 1;
}
@ -189,13 +190,16 @@ if (cfile) {
}
while ((getline < srcfile) > 0) {
fnr++;
if (NF == 0)
continue;
if ($1 ~ /^%%/) {
if (NF != 6 || $1 != "%%" || \
$2 !~ /^[a-z]+$/ || $3 !~ /^[a-z]+$/ || \
$4 !~ /^.$/ || $5 !~ /^.$/ || $6 !~ /^.$/)
if (NF != 6 ||
$2 !~ /^[a-z]+$/ || $3 !~ /^[a-z]+$/ ||
$4 !~ /^.$/ || $5 !~ /^.$/ || $6 !~ /^.$/) {
die("Invalid %s construction", "%%");
continue;
}
lockdata["vop_" $2, $3, "Entry"] = $4;
lockdata["vop_" $2, $3, "OK"] = $5;
lockdata["vop_" $2, $3, "Error"] = $6;
@ -203,14 +207,15 @@ while ((getline < srcfile) > 0) {
}
if ($1 ~ /^%!/) {
if (NF != 4 || $1 != "%!")
continue;
if ($3 != "pre" && $3 != "post")
if (NF != 4 ||
($3 != "pre" && $3 != "post")) {
die("Invalid %s construction", "%!");
continue;
}
lockdata["vop_" $2, $3] = $4;
continue;
}
if ($1 ~ /^#/ || $0 ~ /^$/)
if ($1 ~ /^#/)
continue;
# Get the function name.
@ -225,6 +230,7 @@ while ((getline < srcfile) > 0) {
die("Unable to read through the arguments for \"%s\"",
name);
}
fnr++;
if ($1 ~ /^\};/)
break;