One more fix. Fixes nim-lang#7363

changelog.md

@@ -25,6 +25,9 @@
   the use of `static[T]` types.
   (#6415)
 
+- The `emit` pragma now supports backticking of Nim expressions, previously
+  only symbols were supports, example
+
 ### Tool changes
 
 - ``jsondoc2`` has been renamed ``jsondoc``, similar to how ``doc2`` was renamed

compiler/pragmas.nim

@@ -12,7 +12,7 @@
 import
   os, platform, condsyms, ast, astalgo, idents, semdata, msgs, renderer,
   wordrecg, ropes, options, strutils, extccomp, math, magicsys, trees,
-  rodread, types, lookups
+  rodread, types, lookups, parser
 
 const
   FirstCallConv* = wNimcall
@@ -483,7 +483,8 @@ proc semAsmOrEmit*(con: PContext, n: PNode, marker: char): PNode =
           incl(e.flags, sfUsed)
           addSon(result, newSymNode(e))
         else:
-          addSon(result, newStrNode(nkStrLit, sub))
+          let n2 = parseString(sub, con.cache, con.filename)
+          addSon(result, con.semExpr(con, n2))
       else:
         # an empty '``' produces a single '`'
         addSon(result, newStrNode(nkStrLit, $marker))

tests/ccgbugs/tforward_decl_only.nim

@@ -21,12 +21,15 @@ type
     a: cint
   Foo2 = object
     b: cint
+  Foo3 = object
+    c:int
 
-proc f(foo: ptr Foo, foo2: ptr Foo2): cint =
+proc f(foo: ptr Foo, foo2: ptr Foo2, foo3: ptr Foo3): cint =
   if foo  != nil:  {.emit: "`result` = `foo`->a;".}
   if foo2 != nil: {.emit: [result, " = ", foo2[], ".b;"].}
+  if foo3 != nil:  {.emit: "`result` = `foo3[]`.c + `foo3.c`;".}
 
-discard f(nil, nil)
+discard f(nil, nil, nil)
 
 
 # bug #7392