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| author | Francis Dupont <fdupont@isc.org> | 2019-07-23 00:26:42 +0200 |
|---|---|---|
| committer | Tomek Mrugalski <tomek@isc.org> | 2021-06-23 12:04:18 +0200 |
| commit | 47a5186cc20a909c3e91c7c2033aa9b28f2273b5 (patch) | |
| tree | e711e55cac73d52b1c52788a48abc4648f0998b8 /tools/extract_bnf.sh.in | |
| parent | [#745] BNF notation can now be extracted (diff) | |
| download | kea-47a5186cc20a909c3e91c7c2033aa9b28f2273b5.tar.xz kea-47a5186cc20a909c3e91c7c2033aa9b28f2273b5.zip | |
[#745] Finished conversion to BNF
Diffstat (limited to 'tools/extract_bnf.sh.in')
| -rwxr-xr-x | tools/extract_bnf.sh.in | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/extract_bnf.sh.in b/tools/extract_bnf.sh.in index 523f2ada6b..e69fba56fb 100755 --- a/tools/extract_bnf.sh.in +++ b/tools/extract_bnf.sh.in @@ -9,7 +9,7 @@ # Get BNF grammars from bison files # Check if there is one argument only -if [ $# -ne 1]; then +if [ $# -ne 1 ]; then echo "extract_bnf.sh <bison-file-base-name>" exit 1 fi @@ -35,6 +35,8 @@ fi # - remove line numbers # - remove intermediate productions # - remove intermediate non-terminals +# - replace standard tokens +# - replace : by BNF ::= # - squeeze multiple blank lines cat $output |\ @@ -42,4 +44,14 @@ cat $output |\ @AWK@ '// { gsub("^ +[0-9]+ ", ""); print }' |\ @AWK@ '/^\$@[0-9]+:/ { next }; // { print }' |\ @AWK@ '// { gsub(" \\$@[0-9]+ ", " ") ; print }' |\ +@AWK@ '// { gsub("\"constant string\"", "STRING"); print }' |\ +@AWK@ '// { gsub("\"integer\"", "INTEGER"); print }' |\ +@AWK@ '// { gsub("\"floating point\"", "FLOAT"); print }' |\ +@AWK@ '// { gsub("\"boolean\"", "BOOLEAN"); print }' |\ +@AWK@ '// { gsub("\"constant hexstring\"", "HEXSTRING"); print }' |\ +@AWK@ '// { gsub("\"option name\"", "OPTION_NAME"); print }' |\ +@AWK@ '// { gsub("\"ip address\"", "IP_ADDRESS"); print }' |\ +@AWK@ '// { gsub("\"end of file\"", "EOF"); print }' |\ +@AWK@ '// { gsub("%empty", ""); print }' |\ +@AWK@ '// { gsub(": ", " ::= "); print }' |\ cat -s |