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######################################
# CL format string regular expressions
######################################
## Format a regular expression for matching a potential CL format directive
## Has two parts
## 1) The optional set of prefix parameters
## 2) The optional modifier
## Captures three things
## 1) The prefix parameters
## 2) The modifiers
## 3) The directive name
## 4) The function name, if the directive was a function call.
clFormatDirective ~(?<params>%1$s)?(?<modifiers>%2$s?)(?:%3$s)
## Matches a format string prefix parameter
## A prefix parameter is one of
## * A signed decimal number
## * A single character preceded by a single quote
## * The letter V (or v)
## * The character #
## * The character %
## * A double-quoted string
clFormatPrefixParam (?:(?:[-+]?\d+|'.|[Vv]|#|%|".*?(?<!\\)")?)
## Matches a (possibly named) format string prefix parameter
##
## Parameters are seperated by ','
##
## Named parameters are indicated by a preceeding #, which is followed by a
## parameter name (any sequence of non-space, non-seperator (',', ':', ';')
## printing characters), a seperator (: or ;), then the value of the parameter
clFormatPrefix (?:(?:#[\S&&[^,:;]]+[:;]%1$s)|%1$s)
## Match a format string modifier
## A modifier is any combination of the following characters
## * '$' * ':'
## * '*' * '@'
##
## Duplicates have no effect
clFormatModifier (?:[@$:*]+)
## Matches a directive name.
## A directive name is either
## 1) A single, non-whitespace, non-/ character, optionally preceded by a grave
## 2) A name enclosed in /'s
clFormatName (?:(?<name>`?[\S&&[^/]])|(?:/(?<funcname>[\S&&[^/]]+)/))
#################################################
# Generic format strings for regular expressions.
#################################################
## Format a regular expression for matching a delimiter separated list.
## Takes two parameters
## 1) The expression for each term
## 2) The expression for the delimiter
delimSeparatedList (?:%1$s(?:%2$s%1$s)*)
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