Separate-out assembler

1 files changed, 20 insertions, 0 deletions

diff --git a/asm/segment.cpp b/asm/segment.cpp
new file mode 100644
index 0000000..db83941
--- /dev/null
+++ b/asm/segment.cpp
@@ -0,0 +1,20 @@
+#include "segment.h"
+
+using namespace std::string_literals;
+
+size_t Segment::getAddressOfLabel(const std::string& label)
+ {
+  size_t address{0};
+  auto i{begin()};
+  while (i != end()) {
+   Chunk& chunk{**i};
+   address += chunk.size();
+   if (typeid(chunk) == typeid(Label)) {
+    if (dynamic_cast<Label&>(chunk).name() == label) {
+     return address;
+    }
+   }
+  }
+
+  throw std::runtime_error("Bad label: "s + label);
+ }