From 373e9decf333ec65c14d7c36a0d1d33e9eb2a803 Mon Sep 17 00:00:00 2001
From: Ganesh Viswanathan <dev@genotrance.com>
Date: Wed, 26 Dec 2018 18:49:46 -0600
Subject: Support arrays in structs

---
 nimterop/grammar.nim | 26 ++++++++++++++++++++++++--
 toast.nim            |  4 ++--
 2 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/nimterop/grammar.nim b/nimterop/grammar.nim
index a8d8eed..c72e29b 100644
--- a/nimterop/grammar.nim
+++ b/nimterop/grammar.nim
@@ -87,8 +87,14 @@ proc initGrammar() =
         let
           ftyp = gStateRT.data[i].val.getIdentifier()
           fname = gStateRT.data[i+1].val.getIdentifier()
-        gStateRT.typeStr &= &"    {fname}*: {ftyp}\n"
-        i += 2
+        if i+2 < gStateRT.data.len-fend and gStateRT.data[i+2].name == "identifier":
+          let
+            flen = gStateRT.data[i+2].val.getIdentifier()
+          gStateRT.typeStr &= &"    {fname}*: array[{flen}, {ftyp}]\n"
+          i += 3
+        else:
+          gStateRT.typeStr &= &"    {fname}*: {ftyp}\n"
+          i += 2
 
   # struct X {}
   gStateRT.grammar.add(("""
@@ -105,7 +111,15 @@ proc initGrammar() =
       )
       (field_identifier?)
       (pointer_declarator?
+       (field_identifier?)
+       (array_declarator?
+        (field_identifier)
+        (identifier)
+       )
+      )
+      (array_declarator?
        (field_identifier)
+       (identifier)
       )
      )
     )
@@ -131,7 +145,15 @@ proc initGrammar() =
        )
        (field_identifier?)
        (pointer_declarator?
+        (field_identifier?)
+        (array_declarator?
+         (field_identifier)
+         (identifier)
+        )
+       )
+       (array_declarator?
         (field_identifier)
+        (identifier)
        )
       )
      )
diff --git a/toast.nim b/toast.nim
index 3481832..ced3047 100644
--- a/toast.nim
+++ b/toast.nim
@@ -134,10 +134,10 @@ when isMainModule:
   dispatch(main, help = {
     "past": "print AST output",
     "mode": "language; see CompileMode", # TODO: auto-generate valid choices
-    "pnim": "run preprocessor on header",
+    "pnim": "print Nim output",
     "defines": "definitions to pass to preprocessor",
     "includeDirs": "include directory to pass to preprocessor",
-    "preprocess": "print Nim output",
+    "preprocess": "run preprocessor on header",
     "source" : "C/C++ source/header",
   }, short = {
     "past": 'a',
-- 
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