1011 - string-equal now working

cpp/010vm

@@ -87,6 +87,8 @@ void setup_types() {
   Type[address].name = "address";
   int boolean = Type_number["boolean"] = Next_type_number++;
   Type[boolean].name = "boolean";
+  int character = Type_number["character"] = Next_type_number++;
+  Type[character].name = "character";
   int array = Type_number["array"] = Next_type_number++;
   Type[array].name = "array";
   // End Mu Types Initialization.

cpp/013run

@@ -41,8 +41,9 @@ void run(routine rr) {
     size_t& pc = running_at(rr);
     // Running one instruction.
     if (instructions[pc].is_label) { ++pc; continue; }
+//?     cout << "AAA " << Trace_stream << " ^" << Trace_stream->dump_layer << "$\n"; //? 1
     trace("run") << "instruction " << recipe_name(rr) << '/' << pc;
-//?     cout << instructions[pc].operation << '\n'; //? 1
+//?     cout << "operation " << instructions[pc].operation << '\n'; //? 3
     switch (instructions[pc].operation) {
       // Primitive Recipe Implementations.
       case COPY: {
@@ -88,6 +89,9 @@ if (argc > 1) {
     fin.close();
   }
 
+  Trace_stream = new trace_stream;
+//?   Trace_stream->dump_layer = "all"; //? 1
+  transform_all();
   recipe_number r = Recipe_number[string("main")];
   if (r) run(r);
   dump_memory();

cpp/025name

@@ -47,7 +47,7 @@ void transform_names(const recipe_number r) {
     }
     for (size_t out = 0; out < inst.products.size(); ++out) {
       if (is_raw(inst.products[out])) continue;
-//?       cout << "product " << out << '/' << inst.products.size() << " " << inst.products[out].name << '\n'; //? 3
+//?       cout << "product " << out << '/' << inst.products.size() << " " << inst.products[out].name << '\n'; //? 4
 //?       cout << inst.products[out].types[0] << '\n'; //? 1
       if (inst.products[out].name == "default-space")
         inst.products[out].initialized = true;

cpp/core.mu

@@ -0,0 +1,36 @@
+recipe string-equal [
+  default-space:address:space <- new location:type, 30:literal
+  a:address:array:character <- next-ingredient
+  a-len:integer <- length a:address:array:character/deref
+  b:address:array:character <- next-ingredient
+  b-len:integer <- length b:address:array:character/deref
+  # compare lengths
+  {
+    length-equal?:boolean <- equal a-len:integer, b-len:integer
+    break-if length-equal?:boolean
+    reply 0:literal
+  }
+  # compare each corresponding character
+  i:integer <- copy 0:literal
+  {
+    done?:boolean <- greater-or-equal i:integer, a-len:integer
+    break-if done?:boolean
+    a2:character <- index a:address:array:character/deref, i:integer
+    b2:character <- index b:address:array:character/deref, i:integer
+    {
+      chars-match?:boolean <- equal a2:character, b2:character
+      break-if chars-match?:boolean
+      reply 0:literal
+    }
+    i:integer <- add i:integer, 1:literal
+    loop
+  }
+  reply 1:literal
+]
+
+recipe main [
+  default-space:address:space <- new location:type, 30:literal
+  x:address:array:character <- new [abc]
+  y:address:array:character <- new [abd]
+  3:boolean/raw <- string-equal x:address:array:character, y:address:array:character
+]