Implement var proc

nimterop/ast.nim

@@ -47,14 +47,16 @@ proc saveNodeData(node: TSNode, nimState: NimState): bool =
 
     nimState.data.add((name, val))
 
-    if name == "field_identifier" and
-      pname == "pointer_declarator" and
+    if pname == "pointer_declarator" and
       ppname == "function_declarator":
-      if pppname == "pointer_declarator":
-        nimState.data.insert(("pointer_declarator", ""), nimState.data.len-1)
-        if ppppname == "pointer_declarator":
+      if name == "field_identifier":
+        if pppname == "pointer_declarator":
           nimState.data.insert(("pointer_declarator", ""), nimState.data.len-1)
-      nimState.data.add(("function_declarator", ""))
+          if ppppname == "pointer_declarator":
+            nimState.data.insert(("pointer_declarator", ""), nimState.data.len-1)
+        nimState.data.add(("function_declarator", ""))
+      elif name == "identifier":
+        nimState.data.add(("pointer_declarator", ""))
 
   elif name in gExpressions and name != "escape_sequence":
     if $node.tsNodeParent.tsNodeType() notin gExpressions:

nimterop/grammar.nim

@@ -86,7 +86,7 @@ proc initGrammar(): Grammar =
        (pointer_declarator!
         (type_identifier)
        )
-       (type_identifier)
+       (type_identifier|identifier)
       )
       {paramListGrammar}
       (noexcept|throw_specifier?)
@@ -588,8 +588,13 @@ proc initGrammar(): Grammar =
           pout, pname, ptyp, pptr = ""
           count = 1
           flen = ""
+          fVar = false
 
         i += 1
+        if i < nimState.data.len and nimState.data[i].name == "pointer_declarator":
+          fVar = true
+          i += 1
+
         while i < nimState.data.len:
           if nimState.data[i].name == "function_declarator":
             break
@@ -605,9 +610,15 @@ proc initGrammar(): Grammar =
             pragma = nimState.getPragma(nimState.getImportC(fname, fnname), "cdecl")
 
           if fptr.len != 0 or ftyp != "object":
-            nimState.procStr &= &"{nimState.getComments(true)}\nproc {fnname}*({pout}): {getPtrType(fptr&ftyp)}{pragma}"
+            if fVar:
+              nimState.procStr &= &"{nimState.getComments(true)}\nvar {fnname}*: proc ({pout}): {getPtrType(fptr&ftyp)}{{.cdecl.}}"
+            else:
+              nimState.procStr &= &"{nimState.getComments(true)}\nproc {fnname}*({pout}): {getPtrType(fptr&ftyp)}{pragma}"
           else:
-            nimState.procStr &= &"{nimState.getComments(true)}\nproc {fnname}*({pout}){pragma}"
+            if fVar:
+              nimState.procStr &= &"{nimState.getComments(true)}\nvar {fnname}*: proc ({pout}){{.cdecl.}}"
+            else:
+              nimState.procStr &= &"{nimState.getComments(true)}\nproc {fnname}*({pout}){pragma}"
   ))
 
   # // comment

tests/tpcre.nim

@@ -1,6 +1,6 @@
 import os
 
-import nimterop/[cimport, build, paths]
+import nimterop/[cimport, build]
 
 const
   baseDir = getProjectCacheDir("nimterop" / "tests" / "pcre")
@@ -33,3 +33,8 @@ cPlugin:
 cImport(pcreH, dynlib="dynpcre")
 
 echo version()
+
+proc my_malloc(a1: cuint) {.cdecl.} =
+  discard
+
+malloc = my_malloc