From 7b49d17f90f26394a116348befb5edcdffcedcb6 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sat, 17 Oct 2020 17:37:50 +0200
Subject: Add ret and int

---
 asm/assembler.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'asm/assembler.cpp')

diff --git a/asm/assembler.cpp b/asm/assembler.cpp
index 275bd4a..7a9f6cf 100644
--- a/asm/assembler.cpp
+++ b/asm/assembler.cpp
@@ -1,7 +1,13 @@
 #include "assembler.h"
 
+using namespace std::string_literals;
+
+namespace {
+
 std::unordered_map<std::string, FactoryFunction> ops;
 
+}
+
 bool registerOp(const std::string& mnemonic, FactoryFunction f)
 {
  if (ops.contains(mnemonic)) {
@@ -15,3 +21,31 @@ bool registerOp(const std::string& mnemonic, FactoryFunction f)
 
  return true;
 }
+
+std::string mangleName(const std::string& s, AsmArgs& args)
+{
+ std::string result {s};
+
+ for (const auto& arg: args) {
+  result += "_"s + arg.type().name();
+ }
+
+ return result;
+}
+
+std::shared_ptr<Op> makeOp(const std::string& mnemonic, AsmArgs& args)
+{
+ std::string mangled{mangleName(mnemonic, args)};
+
+ const auto& i{ops.find(mangled)};
+ if (i == ops.end())
+  throw std::runtime_error("Instruction "s + mangled + " not implemented.");
+
+ return i->second(args);
+}
+
+std::shared_ptr<Op> makeOp(const std::string& mnemonic)
+{
+ AsmArgs dummy; // empty list of arguments
+ return makeOp(mnemonic, dummy);
+}
-- 
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