prepare for test

4 files changed, 13 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index a35f3d7..6323a21 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,8 @@ db:
 	gdb cibic
 
 cibic: lex.yy.o cibic.tab.o ast.o main.o semantics.o
-	gcc -o cibic lex.yy.o cibic.tab.o ast.o main.o semantics.o
+	mkdir -p bin
+	gcc -o bin/cibic lex.yy.o cibic.tab.o ast.o main.o semantics.o
 lex.yy.o: lex.yy.c cibic.tab.c
 	gcc -c lex.yy.c
 cibic.tab.o: cibic.tab.c
diff --git a/ast.h b/ast.h
index 11fdf04..e63dd0a 100644
--- a/ast.h
+++ b/ast.h
@@ -50,6 +50,7 @@ typedef struct CNode {
         CVar_t var;
         int const_val;
         int is_const;
+        int offest; /* offest from var */
     } ext;
     struct CNode *chd, *next;
     /* For error reporting */
diff --git a/midtermvars.sh b/midtermvars.sh
new file mode 100755
index 0000000..62f0ff1
--- /dev/null
+++ b/midtermvars.sh
@@ -0,0 +1 @@
+export CCHK="./cibic"
diff --git a/semantics.c b/semantics.c
index 3d12162..930a3cf 100644
--- a/semantics.c
+++ b/semantics.c
@@ -1064,7 +1064,15 @@ ExpType exp_check_postfix(CNode *p, CScope_t scope) {
             t2 = op2.type->type;
             if (!IS_INT(t2))
                 ERROR((p, "array subscript is not an integer"));
-            op1.type = op1.type->rec.arr.elem;
+            if (t1 == CARR)
+            {
+                op1.type = op1.type->rec.arr.elem;
+                p->ext.is_const = p->chd->ext.is_const;
+            }
+            else
+            {
+                op1.type = op1.type->rec.ref;
+            }
             op1.lval = 1;
             break;
         case POSTFIX_CALL: