From 63d47979eff3736da8c479cf3eea6399c0179736 Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Sun, 13 Apr 2014 18:27:30 +0800
Subject: ...

---
 semantics.c             | 16 ++++++++++++----
 semantics.h             |  1 -
 testcases/array_decl.c  |  6 ++++++
 testcases/array_decl2.c |  7 +++++++
 4 files changed, 25 insertions(+), 5 deletions(-)
 create mode 100644 testcases/array_decl.c
 create mode 100644 testcases/array_decl2.c

diff --git a/semantics.c b/semantics.c
index 9013aac..27d5db7 100644
--- a/semantics.c
+++ b/semantics.c
@@ -21,7 +21,8 @@
     } while (0)
 
 /* pointer to function conversion (std 6.3.2/4) */
-#define FUNC_POINTER_CONV(t) \
+/* also convert array to pointer */
+#define POINTER_CONV(t, p) \
     do { \
         if ((t)->type == CFUNC) \
         { \
@@ -29,6 +30,13 @@
             f->rec.ref = t; \
             t = f; \
         } \
+        else if ((t)->type == CARR) \
+        { \
+            CType_t a = ctype_create("", CPTR, p); \
+            a->rec.ref = t->rec.arr.elem; \
+            free(t); \
+            t = a; \
+        } \
     } while (0)
 
 #define CHECK_CVOID(name, ast) \
@@ -596,12 +604,12 @@ CVar_t semantics_params(CNode *p, CScope_t scope) {
 #else
     CTable_t tparams = ctable_create(bkdr_hash);
 #endif
-    FUNC_POINTER_CONV(params->type);
+    POINTER_CONV(params->type, p);
     ctable_insert(tparams, params->name, params, 0);
     for (p = p->next; p; p = p->next)
     {
         CVar_t var = semantics_p_decl(p, scope);
-        FUNC_POINTER_CONV(var->type);
+        POINTER_CONV(var->type, p);
         if (scope)  /* params inside a function definition */
             if (!ctable_insert(tparams, var->name, var, 0))
                 ERROR((var->ast, "redefinition of parameter '%s'", var->name));
@@ -1227,7 +1235,7 @@ ExpType semantics_exp(CNode *p, CScope_t scope) {
                     p->ext.type = lu->rec.type;
                     res.type = p->ext.type;
                     res.lval = res.type->type == CFUNC;
-                    FUNC_POINTER_CONV(res.type);
+                    POINTER_CONV(res.type, p);
                 }
                 p->ext.is_const = 0;
             }
diff --git a/semantics.h b/semantics.h
index 87cd345..b3cadaa 100644
--- a/semantics.h
+++ b/semantics.h
@@ -18,7 +18,6 @@ struct CVar {
     CVar_t next;    /* next in the linked list */
     CType_t type;
     int offset;
-    int is_const;
     CNode *ast;
 };
 
diff --git a/testcases/array_decl.c b/testcases/array_decl.c
new file mode 100644
index 0000000..33973e5
--- /dev/null
+++ b/testcases/array_decl.c
@@ -0,0 +1,6 @@
+int f(int a[1][3][2]) {
+}
+int main() {
+    int a[3][3][2];
+    f(a);
+}
diff --git a/testcases/array_decl2.c b/testcases/array_decl2.c
new file mode 100644
index 0000000..d7f8a04
--- /dev/null
+++ b/testcases/array_decl2.c
@@ -0,0 +1,7 @@
+int f(int a[20][2][2]);
+int f(int a[1][3][2]) {
+}
+int main() {
+    int a[3][3][2];
+    f(a);
+}
-- 
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