Allow linking to lower level in delta specs.

Author: fantasai

bikeshed/metadata.py

@@ -67,6 +67,7 @@ def __init__(self):
         self.defaultHighlight = None
         self.defaultBiblioDisplay = "index"
         self.defaultRefStatus = None
+        self.deltaSpec = False
         self.displayShortname = None
         self.editors = []
         self.editorTerm = {"singular": "Editor", "plural": "Editors"}
@@ -1068,6 +1069,7 @@ def parseLiteralList(key, val, lineNum):
     "Default Biblio Status": Metadata("Default Biblio Status", "defaultRefStatus", joinValue, parseRefStatus), #synonym of "Default Ref Status"
     "Default Highlight": Metadata("Default Highlight", "defaultHighlight", joinValue, parseLiteral),
     "Default Ref Status": Metadata("Default Ref Status", "defaultRefStatus", joinValue, parseRefStatus),
+    "Delta Spec": Metadata("Delta Spec", "deltaSpec", joinValue, parseBoolean),
     "ED": Metadata("ED", "ED", joinValue, parseLiteral),
     "Editor": Metadata("Editor", "editors", joinList, parseEditor),
     "Editor Term": Metadata("Editor Term", "editorTerm", joinValue, parseEditorTerm),

bikeshed/refs/ReferenceManager.py

@@ -22,7 +22,7 @@ class ReferenceManager(object):
 
     __slots__ = ["dataFile", "specs", "defaultSpecs", "ignoredSpecs", "replacedSpecs", "biblios", "loadedBiblioGroups",
         "biblioKeys", "biblioNumericSuffixes", "preferredBiblioNames", "headings", "defaultStatus", "localRefs", "anchorBlockRefs", "foreignRefs",
-        "shortname", "specLevel", "spec", "testing"]
+        "shortname", "specLevel", "spec", "testing", "isDelta"]
 
     def __init__(self, defaultStatus=None, fileRequester=None, testing=False):
         if fileRequester is None:
@@ -176,6 +176,7 @@ def setSpecData(self, md):
         self.shortname = md.shortname
         self.specLevel = md.level
         self.spec = md.vshortname
+        self.isDelta = md.deltaSpec
 
         for term, defaults in md.linkDefaults.items():
             for default in defaults:
@@ -364,6 +365,9 @@ def getRef(self, linkType, text, spec=None, status=None, statusHint=None, linkFo
             export = None
         refs, failure = self.foreignRefs.queryRefs(text=text, linkType=linkType, spec=spec, status=status, statusHint=statusHint, linkFor=linkFor, linkForHint=linkForHint, explicitFor=explicitFor, export=export, ignoreObsoletes=True)
 
+        if failure and self.isDelta:
+            refs, failure = self.foreignRefs.queryRefs(text=text, linkType=linkType, spec=self.shortname, status=status, statusHint=statusHint, linkFor=linkFor, linkForHint=linkForHint, explicitFor=explicitFor, export=False, ignoreObsoletes=True, latestOnly=False)
+
         if failure and linkType in ("argument", "idl") and linkFor is not None and any(x.endswith("()") for x in linkFor):
             # foo()/bar failed, because foo() is technically the wrong signature
             # let's see if we can find the right signature, and it's unambiguous