Assign variables

source/semantic.cpp

@@ -0,0 +1,38 @@
+#include "elna/source/semantic.hpp"
+#include <cstdlib>
+
+namespace elna::source
+{
+    void name_analysis_visitor::visit(definition *definition)
+    {
+        this->table->enter(definition->identifier(),
+                std::make_shared<constant_info>(constant_info(definition->body().number())));
+    }
+
+    void name_analysis_visitor::visit(declaration *declaration)
+    {
+        this->table->enter(declaration->identifier(),
+                std::make_shared<variable_info>(variable_info()));
+    }
+
+    void name_analysis_visitor::visit(block *block)
+    {
+        this->table = block->table();
+        empty_visitor::visit(block);
+        this->table->enter("main",
+                std::make_shared<procedure_info>());
+    }
+
+    void allocator_visitor::visit(declaration *declaration)
+    {
+        this->offset -= sizeof(std::int32_t);
+    }
+
+    void allocator_visitor::visit(block *block)
+    {
+        this->offset = 0;
+        empty_visitor::visit(block);
+        std::dynamic_pointer_cast<procedure_info>(block->table()->lookup("main"))
+            ->stack_size(std::abs(this->offset));
+    }
+}