↑ operator could mitigate backtrack performance problem, but has a risk to change the meaning of grammar.S <- '(' ↑ P ')' / '"' ↑ P '"' / P P <- 'a' / 'b' / 'c' When we parse (z with the above grammar, we don't have to backtrack in S after ( is matched, ...
is called the "negative lookahead" operator, and it does exactly what it says on the tin. This operator inverts the result of the match, meaning you can specify a rule by what it should not match. For example the rule rule := 'The banned word is ' !'Macbeth' '[a-zA-Z]+' This...
The definition of a string says nothing about the validity or meaning of a string. A language is a (possibly empty, often infinite) subset of ; an element of a language is often called a word (although this term should be used with caution). Thus, while every element of is a valid ...
"I begged her to give me the recipe for this soup, but she explained to me that, 'Soup from a sausage peg is only a human expression. It means different things, and everybody thinks his meaning is the right one, but the real meaning is nothing at all.' " 'Nothing at all?" I ...
The behavior standards concrete meaning is refers to the moral standard and the behavior criterion which is accepted together by the social institute.Simple saying, tells the people to be supposed to make any and should not make any one standard.Different cultural context people when human ...
MATCHES_IGNORE_CASE(str, regexPattern) is a convenience macro to do regex matches. It has a case-sensitive friend: MATCHES(str, regexPattern). The second argument is an NSString* regex pattern. Meaning should be obvious.About 'Parsing Expression Grammar' toolkit for Cocoa/Objective-C Resource...
I get that the gospels contain theological reflection on the meaning of Jesus, not just flat biographical accounts. But it sure makes a mess out of apologetic claims that Jesus fulfilled OT prophecies when, in some instances at least, the NT author is fudging the facts to make the events ...
The amulet was made up of a thin lead sheet with an inscribed text, folded together into a rectangle. The inscription was runic, containing words of religious and magic meaning.doi:10.1111/arcm.12734Birgit Wilster-HansenMuseum of Cultural History (MCH) University of Oslo NorwayDavid C. Mannes...
To deal with programming languages in which important statement words (can't call them keywords) may be used as identifiers in programs, the parser must be able to lead the lexer. The parser must also lead the lexer to parse languages in which the meaning of input symbols may change with ...
The . syntax conflicts with the current meaning of ., which is “any character”. This can be solved by ugly hacks (e.g. . surrounded by whitespace means “any character”, while . surrounded by identifiers separates a namespace name from a rule name) or by changing the syntax (e.g....