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| author | Mattias Andrée <maandree@kth.se> | 2023-05-11 20:30:31 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@kth.se> | 2023-05-11 20:30:31 +0200 |
| commit | 304102cc8e88d5e6c6f0cd0a9b7a9ff28bc8d372 (patch) | |
| tree | 53fa63575e997022a2bffa7209aebf01a63b94a7 | |
| parent | Update makefile (diff) | |
| download | libparser-1.1.2.tar.gz libparser-1.1.2.tar.bz2 libparser-1.1.2.tar.xz | |
Introduction of (double) rejection made libparser a right-context-sensitive grammar parser1.1.2
Signed-off-by: Mattias Andrée <maandree@kth.se>
| -rw-r--r-- | README | 14 | ||||
| -rw-r--r-- | libparser.7 | 12 |
2 files changed, 21 insertions, 5 deletions
@@ -1,9 +1,9 @@ ->NAME - libparser - Context-free grammar parsing library +NAME + libparser - Right-context-sensitive grammar parsing library DESCRIPTION libparser is a small C library that parses input based on a - precompiled context-free grammar. + precompiled right-context-sensitive grammar. To use libparser, a developer should write a syntax for the input that his application shall parse, in a syntax based @@ -126,3 +126,11 @@ EXTENDED DESCRIPTION Left recursion is illegal (it will cause stack overflow at runtime as the empty condition before the recursion is always met). + + Right-context-sensitive grammar + libparser originally used context-free grammar, but with + introduction of the rejection rule, specifically the ability + to reject a rejection, it became a prase for + right-context-sensitive grammar which is a grammar that is + that can generate any context-sensitive language, it is however + weakly equivalent to context-sensitive grammar. diff --git a/libparser.7 b/libparser.7 index c81f746..adb051f 100644 --- a/libparser.7 +++ b/libparser.7 @@ -1,11 +1,11 @@ .TH LIBPARSER 7 LIBPARSER .SH NAME -libparser \- Context-free grammar parsing library +libparser \- Right-context-sensitive grammar parsing library .SH DESCRIPTION .B libparser is a small C library that parses input based on a -precompiled context-free grammar. +precompiled right-context-sensitive grammar. .PP To use .BR libparser , @@ -150,6 +150,14 @@ Left recursion is illegal (it will cause stack overflow at runtime as the empty condition before the recursion is always met). +.SS Right-context-sensitive grammar +libparser originally used context-free grammar, but with +introduction of the rejection rule, specifically the ability +to reject a rejection, it became a prase for +right-context-sensitive grammar which is a grammar that is +that can generate any context-sensitive language, it is +however weakly equivalent to context-sensitive grammar. + .SH SEE ALSO .BR libparser-generate (1), .BR libparser_parse_file (3) |