abandoned exploration of alternative association operators, now only …

…using '|'

.gitignore

@@ -33,6 +33,7 @@ npm-debug.log
 yarn-error.log
 testem.log
 /typings
+migrations.json
 
 # System Files
 .DS_Store

README.md

@@ -1,6 +1,6 @@
 # NearleyGram
 
-Gram is a subject based notation for structured data.
+Gram is a subject-oriented notation for structured data.
 
 This project is a [nearley](https://nearley.js.org) grammar for gram, providing
 an EBNF-like description that produces convenient railroad diagrams.
@@ -12,5 +12,5 @@ Gram notation describes subjects, which are like objects with benefits.
 There are 3 primary structures which can be defined:
 
 - independent subjects: ```(a:Person {name:"ABK"})```
-- subject relationships: ```(a)-[:KNOWS]->(b)```
-- associated subjects: ```[people | a,b,c]```
+- subject relationships: ```(a)-[:KNOWS]->(b)-[:WROTE]->(k)```
+- associated subjects: ```[team | a,b,c]```

gram.ne

@@ -8,12 +8,7 @@ PatternElement -> (Annotation _):* (Subject | Path)
 
 Subject -> "[" _ Attributes _ Association:? "]"
 
-Association -> 
-    Membership | Ordering 
-
-Membership -> "|" (Labels:? Record:? _ "|"):? _ AssociationMember (_ "," _ AssociationMember):*
-
-Ordering -> ("->" | "-[" Labels:? Record:? "]->") _  AssociationMember (_ "," _ AssociationMember):+
+Association -> "|" (Labels:? Record:? _ "|"):? _ AssociationMember (_ "," _ AssociationMember):*
 
 AssociationMember -> (PatternElement | Reference)
 
@@ -98,14 +93,14 @@ Null -> "null"
 
 Boolean -> "true" | "false"
 
-Symbol -> [a-zA-Z_] [0-9a-zA-Z_@]:*
+Symbol -> [a-zA-Z_] [0-9a-zA-Z_\-]:*
 
 Range -> 
     NumericLiteral ".." NumericLiteral
   | NumericLiteral "..."
   | "..." NumericLiteral
 
-NumericLiteral -> 
+NumericLiteral ->
     Integer
   | Decimal
   | Hexadecimal
@@ -128,10 +123,12 @@ StringLiteral ->
     DoubleQuotedLiteral
   | SingleQuotedLiteral
   | BacktickStringLiteral
+  | FencedStringLiteral
 
 DoubleQuotedLiteral -> "\"" NonDoubleQuoteChar:* "\"" 
 SingleQuotedLiteral -> "'"  NonSingleQuoteChar:* "'"  
-BacktickStringLiteral -> "`"  [^`]:*  "`"  
+BacktickStringLiteral -> "`"  NonBacktickChar:*  "`"  
+FencedStringLiteral -> "```\n" [\s\S]:+ "\n```"
 
 TaggedStringLiteral -> Symbol BacktickStringLiteral
 
@@ -144,6 +141,11 @@ NonSingleQuoteChar ->
   | "\\" EscapedChars
   | "\\'"
 
+NonBacktickChar ->
+    [^`\n]
+  | "\\" EscapedChars
+  | "\\`"
+
 EscapedChars -> 
     ["\\/bfnrt] 
     | "u" [a-fA-F0-9] [a-fA-F0-9] [a-fA-F0-9] [a-fA-F0-9] 

nx.json

@@ -29,5 +29,6 @@
         "targetName": "lint"
       }
     }
-  ]
+  ],
+  "useLegacyCache": true
 }