Add table test. Add :repeat to loop macro.

Makefile

@@ -155,6 +155,7 @@ test: $(JANET_TARGET) $(TEST_PROGRAMS)
 	ctest/system_test.out
 	ctest/array_test.out
 	ctest/buffer_test.out
+	ctest/table_test.out
 	./$(JANET_TARGET) test/suite0.janet
 	./$(JANET_TARGET) test/suite1.janet
 	./$(JANET_TARGET) test/suite2.janet
@@ -163,6 +164,7 @@ valtest: $(JANET_TARGET) $(TEST_PROGRAMS)
 	valgrind --leak-check=full -b ctest/system_test.out
 	valgrind --leak-check=full -v ctest/array_test.out
 	valgrind --leak-check=full -v ctest/buffer_test.out
+	valgrind --leak-check=full -v ctest/table_test.out
 	valgrind --leak-check=full -v ./$(JANET_TARGET) test/suite0.janet
 	valgrind --leak-check=full -v ./$(JANET_TARGET) test/suite1.janet
 	valgrind --leak-check=full -v ./$(JANET_TARGET) test/suite2.janet

ctest/table_test.c

@@ -0,0 +1,58 @@
+/*
+* Copyright (c) 2018 Calvin Rose
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to
+* deal in the Software without restriction, including without limitation the
+* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+* sell copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+* IN THE SOFTWARE.
+*/
+
+#include <janet/janet.h>
+#include <assert.h>
+
+int main() {
+    
+    JanetTable *t1;
+
+    janet_init();
+
+    t1 = janet_table(10);
+
+    janet_table_put(t1, janet_cstringv("hello"), janet_wrap_integer(2));
+    janet_table_put(t1, janet_cstringv("akey"), janet_wrap_integer(5));
+    janet_table_put(t1, janet_cstringv("box"), janet_wrap_boolean(0));
+    janet_table_put(t1, janet_cstringv("square"), janet_cstringv("avalue"));
+
+    assert(t1->count == 4);
+    assert(t1->capacity >= t1->count);
+    
+    assert(janet_equals(janet_table_get(t1, janet_cstringv("hello")), janet_wrap_integer(2)));
+    assert(janet_equals(janet_table_get(t1, janet_cstringv("akey")), janet_wrap_integer(5)));
+    assert(janet_equals(janet_table_get(t1, janet_cstringv("box")), janet_wrap_boolean(0)));
+    assert(janet_equals(janet_table_get(t1, janet_cstringv("square")), janet_cstringv("avalue")));
+
+    janet_table_remove(t1, janet_cstringv("hello"));
+    janet_table_put(t1, janet_cstringv("box"), janet_wrap_nil());
+
+    assert(t1->count == 2);
+
+    assert(janet_equals(janet_table_get(t1, janet_cstringv("hello")), janet_wrap_nil()));
+    assert(janet_equals(janet_table_get(t1, janet_cstringv("box")), janet_wrap_nil()));
+
+    janet_deinit();
+
+    return 0;
+}

src/core/core.janet

@@ -279,7 +279,8 @@
   \t:while expression - breaks from the loop if expression is falsey.\n
   \t:let bindings - defines bindings inside the loop as passed to the let macro.\n
   \t:before form - evaluates a form for a side effect before of the next inner loop.\n
-  \t:after form - same as :befor, but the side effect happens after the next inner loop.\n
+  \t:after form - same as :before, but the side effect happens after the next inner loop.\n
+  \t:repeat n - repeats the next inner loop n times.\n
   \t:when condition - only evaluates the loop body when condition is true.\n\n
   The loop macro always evaluates to nil."
   [head & body]
@@ -306,7 +307,19 @@
             :when (tuple 'if verb (doone (+ i 2)))
             :before (tuple 'do verb (doone (+ i 2)))
             :after (tuple 'do (doone (+ i 2)) verb)
-            (error ("unexpected loop predicate: " verb)))
+            :repeat (do
+                      (def $iter (gensym))
+                      (def $n (gensym))
+                      (def spreds @['and (tuple < $iter $n)])
+                      (def sub (doone (+ i 2) spreds))
+                      (tuple 'do
+                             (tuple 'def $n verb)
+                             (tuple 'var $iter 0)
+                             (tuple 'while
+                                    (tuple.slice spreds)
+                                    (tuple := $iter (tuple + 1 $iter))
+                                    sub)))
+            (error (string "unexpected loop predicate: " bindings)))
           (case verb
             :iterate (do
                        (def $iter (gensym))