Rename to anyBetween & add tests

src_v2/parser/parser_internals.nim

@@ -241,11 +241,26 @@ proc whitespace*(parser: Parser): ParserResult =
 
 # -- Parsing Helpers
 
-let parseBetweenDelimiter* = proc(start: parserFnT, stop: parserFnT): parserFnT {.closure.} =
-  ignore(start) + anyUntil(stop + whitespace) + ignore(start)
+# let between* = proc(startParserFn: parserFnT, stopParserFn: parserFnT, betweenParserFn: parserFnT): parserFnT {.closure.} =
+#   ## Creates parser function with that matches `betweenParserFn` between `startParserFn` and `stopParserFn`.
+#   ## Ignores the delimiters in the tokens.
+#   ## Example:
+#   ##   between(ch('('), ch(')')) => Matches (abc)
+#   ignore(startParserFn) + anyUntil(stopParserFn) + ignore(stopParserFn)
 
-let parseBetweenPair* = proc(delimiterParser: parserFnT): parserFnT {.closure.} =
-  parseBetweenDelimiter(delimiterParser, delimiterParser)
+let anyBetween* = proc(startParserFn: parserFnT, stopParserFn: parserFnT): parserFnT {.closure.} =
+  ## Creates parser function with that matches anything between `startParserFn` and `stopParserFn`.
+  ## Ignores the delimiters in the tokens.
+  ## Example:
+  ##   anyBetween(ch('('), ch(')')) => Matches (abc)
+  ignore(startParserFn) + anyUntil(stopParserFn) + ignore(stopParserFn)
+
+let anyBetweenPair* = proc(parserFn: parserFnT): parserFnT {.closure.} =
+  ## Creates parser function with that matches anything between matching `parserFns`
+  ## Ignores the delimiters in the tokens.
+  ## Example:
+  ##   anyBetweenPair(ch('"')) => Matches "abc"
+  anyBetween(parserFn, parserFn)
 
 # -- Tests
 
@@ -304,3 +319,8 @@ when isMainModule:
 
     # parse
     assert testAbc1Parser.flatMap(following(@[ch('a'), str("bc"), digit])).tokensToString() == "abc1"
+
+  block parsingHelpers:
+    # anyBetween
+    assert initParserResult("(123)").flatMap(anyBetween(ch('('), ch(')'))).tokensToString() == "123"
+    assert initParserResult("\"123\"").flatMap(anyBetweenPair(ch('"'))).tokensToString() == "123"