Implement add + sub and minimal interpreter

debug.sh

@@ -15,7 +15,7 @@ exe_name="nest"
 exe_path=$build_dir/$exe_name
 debug_flags="-g"
 optimization_flags="-O0"
-bootstrap_args="$path"
+bootstrap_args="$path i"
 case "$OSTYPE" in
     darwin*)  static=0;; 
     linux*)   static=1;;
@@ -26,6 +26,6 @@ compile $build_dir $exe_name $debug_flags $optimization_flags $static
 
 case "$OSTYPE" in
     darwin*)  lldb -- $exe_path $bootstrap_args;; 
-    linux*)   gf2 -ex b entry_point -ex r --args $exe_path $bootstrap_args;;
+    linux*)   gf2 -ex "set auto-solib-add off" -ex "r" --args $exe_path $bootstrap_args;;
     *)        echo "unknown: $OSTYPE" ;;
 esac

run_tests.sh

@@ -8,7 +8,7 @@ build_dir="build"
 base_exe_name="nest"
 debug_flags="-g"
 no_optimization_flags=""
-test_names="first"
+test_names=("first" "add_sub")
 
 if [ "$all" == "1" ]
 then
@@ -18,6 +18,7 @@ then
         linux*)   linking_modes=("0" "1") ;;
         *)        echo "unknown: $OSTYPE"; exit 1 ;;
     esac
+    execution_engines=("c", "i")
 else
     optimization_modes=("-O0")
     case "$OSTYPE" in
@@ -25,13 +26,13 @@ else
         linux*)   linking_modes=("1") ;;
         *)        echo "unknown: $OSTYPE"; exit 1 ;;
     esac
+    execution_engines=("i")
 fi
 
 for linking_mode in "${linking_modes[@]}"
 do
     for optimization_mode in "${optimization_modes[@]}"
     do
-
         printf "\n===========================\n"
         echo "TESTS (STATIC=$linking_mode, $optimization_mode)"
         printf "===========================\n\n"
@@ -48,16 +49,25 @@ do
             printf "\n===========================\n"
             echo "$test_name..."
             printf "===========================\n\n"
-            cmd="build/$exe_name tests/$test_name.nat"
-            echo "Run command: $cmd"
-            eval "$cmd"
-            printf "\n===========================\n"
-            echo "$test_name [COMPILATION] [OK]"
-            printf "===========================\n\n"
-            nest/$test_name
-            printf "\n===========================\n"
-            echo "$test_name [RUN] [OK]"
-            printf "===========================\n\n"
+
+            for execution_engine in "${execution_engines[@]}"
+            do
+                cmd="build/$exe_name tests/$test_name.nat $execution_engine"
+                echo "Run command: $cmd"
+                eval "$cmd"
+                printf "\n===========================\n"
+                echo "$test_name [COMPILATION] [EXECUTION ENGINE: $execution_engine] [OK]"
+                printf "===========================\n\n"
+
+                if [ "$execution_engine" != "i" ]
+                then
+                    nest/$test_name
+                fi
+
+                printf "\n===========================\n"
+                echo "$test_name [RUN] [OK]"
+                printf "===========================\n\n"
+            done
         done
     done
 done

tests/add_sub.nat

@@ -0,0 +1,4 @@
+fn main() s32
+{
+    return 1 - 1 + 1 - 1;
+}