Generate typed QX bindings and add source editing tools

grammar/QuixosCapability.g4

@@ -4,6 +4,15 @@ document
   : workspaceDecl EOF
   | interfaceResourceDecl EOF
   | packageResourceDecl EOF
+  | fragmentDecl EOF
+  ;
+
+fragmentDecl
+  : FRAGMENT LBRACE workspaceItem* RBRACE
+  ;
+
+sourceImportDecl
+  : IMPORT stringLiteral SEMI
   ;
 
 workspaceDecl
@@ -12,7 +21,8 @@ workspaceDecl
   ;
 
 workspaceItem
-  : atomDecl
+  : sourceImportDecl
+  | atomDecl
   | resourceImportDecl
   | sharedAttachmentDecl
   | conformanceDecl
@@ -142,7 +152,7 @@ dependencyPort
   : STATE identifier ID stringLiteral COLON valueType primitiveList SEMI
   | EDGE identifier ID stringLiteral COLON cardinality targetConstraint primitiveList SEMI
   | INTERFACE identifier ID stringLiteral COLON identifier SEMI
-  | CONSTRUCTOR identifier ID stringLiteral COLON identifier SEMI
+  | CONSTRUCTOR identifier ID stringLiteral COLON identifier (INPUT valueType)? SEMI
   ;
 
 primitiveList
@@ -320,6 +330,7 @@ stringLiteral
   ;
 
 WORKSPACE: 'workspace';
+FRAGMENT: 'fragment';
 IMPORT: 'import';
 EXTERNAL: 'external';
 ATOM: 'atom';
@@ -332,6 +343,7 @@ OPERATION: 'operation';
 FUNCTION: 'function';
 CONSTRUCTOR: 'constructor';
 CONSTRUCTS: 'constructs';
+INPUT: 'input';
 CONFORM: 'conform';
 AS: 'as';
 BIND: 'bind';
@@ -423,6 +435,6 @@ STRING_LITERAL: '"' (ESC | ~["\\\r\n])* '"';
 fragment ESC: '\\' (["\\/bfnrt] | 'u' HEX HEX HEX HEX);
 fragment HEX: [0-9a-fA-F];
 
-LINE_COMMENT: '//' ~[\r\n]* -> skip;
-BLOCK_COMMENT: '/*' .*? '*/' -> skip;
-WS: [ \t\r\n]+ -> skip;
+LINE_COMMENT: '//' ~[\r\n]* -> channel(HIDDEN);
+BLOCK_COMMENT: '/*' .*? '*/' -> channel(HIDDEN);
+WS: [ \t\r\n]+ -> channel(HIDDEN);