feat: finish generator

src/compiler/generator/gen_unary_math.c

@@ -0,0 +1,20 @@
+#include <common/fzl_opcodes.h>
+#include <compiler/fzl_parser.h>
+#include <compiler/internals/gen.h>
+#include <stdio.h>
+
+// Unary math operations
+gen_res_t gen_unary_math(fzl_gen_t *gen, fzl_node_t *node)
+{
+  if (!gen || !node)
+    return gen_error;
+
+  gen_res_t res = gen_common(gen, node->unary_op.operand);
+  if (res.error)
+    return gen_error;
+
+  if (node->type == FZL_NODETYPE_UNARY_MINUS)
+    gen_op(gen, FZL_OPCODE_NEG);
+
+  return (gen_res_t){.error = false, .type = res.type, .classname = NULL};
+}