Implement parser module and update AST

v0/test.c

@@ -1,5 +1,4 @@
 #include "test.h"
-#include "buffer.h"
 #include <setjmp.h>
 #include <stdio.h>
 
@@ -16,18 +15,13 @@ typedef struct {
     Test func;
 } TestCase;
 
-#include "test_buffer.c"
 #include "test_token.c"
+#include "test_parser.c"
 
 static int s_totalTests;
 static int s_greenTests;
 
 static TestCase s_tests[] = {
-    {"buffer_string_reads_chars", test_buffer_string_reads_chars},
-    {"buffer_string_eof", test_buffer_string_eof},
-    {"buffer_string_eof_after_content", test_buffer_string_eof_after_content},
-    {"buffer_file_reads_chars", test_buffer_file_reads_chars},
-    {"buffer_file_open_fail", test_buffer_file_open_fail},
     {"tokenstream_open_fail", test_tokenstream_open_fail},
     {"tokenstream_simple_keyword", test_tokenstream_simple_keyword},
     {"tokenstream_keywords_and_symbols", test_tokenstream_keywords_and_symbols},
@@ -36,6 +30,7 @@ static TestCase s_tests[] = {
     {"tokenstream_whitespace_ignored", test_tokenstream_whitespace_ignored},
     {"tokenstream_void_function_signature", test_tokenstream_void_function_signature},
     {"tokenstream_info", test_tokenstream_info},
+    {"parser_module_name", test_parser_module_name},
 };