feat(lex_parser, pprocessor): rename identifier header check and add macro system

- Rename `scc_lex_parse_is_identifier_header` to `scc_lex_parse_is_identifier_prefix` for clarity and add a TODO comment
- Update lexer to use the renamed function for consistency
- Fix package and dependency names in `cbuild.toml` (`smcc_pprocesser` → `scc_pprocesser`, `smcc_lex_parser` → `lex_parser`)
- Introduce new macro system with header file `pp_macro.h` defining macro types, structures, and management functions
- Refactor preprocessor initialization and cleanup in `pprocessor.c` to use new macro table and stream handling
- Replace legacy `hashmap` with `scc_pp_macro_table_t` for macro storage
- Improve error handling and resource management in preprocessor lifecycle

runtime/libcore/src/stream.c

@@ -111,7 +111,7 @@ static cbool mem_probe_stream_is_at_end(scc_probe_stream_t *_stream) {
     return stream->curr_pos >= stream->data_length;
 }
 
-static void mem_probe_stream_destroy(scc_probe_stream_t *_stream) {
+static void mem_probe_stream_drop(scc_probe_stream_t *_stream) {
     Assert(_stream != null);
     scc_mem_probe_stream_t *stream = (scc_mem_probe_stream_t *)_stream;
 
@@ -164,9 +164,30 @@ scc_probe_stream_t *scc_mem_probe_stream_init(scc_mem_probe_stream_t *stream,
     stream->stream.read_buf = mem_probe_stream_read_buf;
     stream->stream.reset = mem_probe_stream_reset;
     stream->stream.is_at_end = mem_probe_stream_is_at_end;
-    stream->stream.drop = mem_probe_stream_destroy;
+    stream->stream.drop = mem_probe_stream_drop;
 
     return (scc_probe_stream_t *)stream;
 }
 
+static void scc_owned_mem_stream_drop(scc_probe_stream_t *_stream) {
+    scc_mem_probe_stream_t *stream = (scc_mem_probe_stream_t *)_stream;
+    mem_probe_stream_drop(_stream);
+    scc_free(stream);
+}
+
+scc_probe_stream_t *scc_mem_probe_stream_new(const char *data, usize length,
+                                             cbool need_copy) {
+    scc_mem_probe_stream_t *stream =
+        (scc_mem_probe_stream_t *)scc_malloc(sizeof(scc_mem_probe_stream_t));
+    if (stream == null) {
+        return null;
+    }
+
+    scc_probe_stream_t *ret =
+        scc_mem_probe_stream_init(stream, data, length, need_copy);
+    stream->stream.drop = scc_owned_mem_stream_drop;
+    Assert(ret != null);
+    return ret;
+}
+
 #endif /* __SCC_CORE_NO_MEM_PROBE_STREAM__ */