Add basic c syntax highlighting.

src/internal/syntax/c/core.cc

@@ -0,0 +1,37 @@
+#include "internal/syntax/c/parser.h"
+
+namespace bed::internal::syntax::c {
+Language lang_c() {
+  return Language{
+    .none_state = []() {
+      CState *st = (CState *)malloc(
+        sizeof(CState)
+        + sizeof(CState::CInternalState)
+      );
+      st->top = 1;
+      st->stack()[0] = {
+        .brace_level = 1,
+        .state = CState::CInternalState::NONE,
+        .flags = 0
+      };
+      return st; },
+    .parse = c_parse,
+    .copy = [](void *v_i_st) {
+      CState *i_st = (CState *)v_i_st;
+      uint32_t bytes = sizeof(CState)
+                       + sizeof(CState::CInternalState) * i_st->top;
+      CState *o_st = (CState *)malloc(bytes);
+      memcpy(o_st, i_st, bytes);
+      return o_st; },
+    .equal = [](void *v_a_st, void *v_b_st) {
+      CState *a_st = (CState *)v_a_st;
+      uint32_t a_bytes = sizeof(CState)
+                         + sizeof(CState::CInternalState) * a_st->top;
+      CState *b_st = (CState *)v_b_st;
+      uint32_t b_bytes = sizeof(CState)
+                         + sizeof(CState::CInternalState) * b_st->top;
+      return a_bytes == b_bytes && memcmp(a_st, b_st, a_bytes) == 0; },
+    .destroy = [](void *v_st) { free(v_st); },
+  };
+}
+} // namespace bed::internal::syntax::c