🎨 opcode dump can get global variable name

src/nasal_codegen.cpp

@@ -1436,6 +1436,7 @@ void codegen::print(std::ostream& out) {
     codestream::set(
         const_number_table.data(),
         const_string_table.data(),
+        global,
         native_function.data()
     );
 

src/nasal_dbg.cpp

@@ -163,7 +163,13 @@ void dbg::step_info() {
 
     begin = (ctx.pc>>3)==0? 0:((ctx.pc>>3)<<3);
     end = (1+(ctx.pc>>3))<<3;
-    codestream::set(const_number, const_string, native_function.data(), files);
+    codestream::set(
+        const_number,
+        const_string,
+        global_symbol_name,
+        native_function.data(),
+        files
+    );
 
     std::clog << "\nnext bytecode:\n";
     for(u64 i = begin; i<end && bytecode[i].op!=op_exit; ++i) {

src/nasal_opcode.cpp

@@ -5,12 +5,31 @@ namespace nasal {
 
 void codestream::set(const f64* number_list,
                      const std::string* string_list,
+                     const std::unordered_map<std::string, u64>& globals,
                      const nasal_builtin_table* native_table,
                      const std::string* file_list) {
     const_number = number_list;
     const_string = string_list;
     natives = native_table;
     files = file_list;
+
+    global_variable.resize(globals.size());
+    for(auto& [name, index]: globals) {
+        global_variable[index] = name;
+    }
+}
+
+void codestream::set(const f64* number_list,
+                     const std::string* string_list,
+                     const std::vector<std::string>& globals,
+                     const nasal_builtin_table* native_table,
+                     const std::string* file_list) {
+    const_number = number_list;
+    const_string = string_list;
+    natives = native_table;
+    files = file_list;
+
+    global_variable = globals;
 }
 
 void codestream::dump(std::ostream& out) const {
@@ -93,13 +112,16 @@ void codestream::dump(std::ostream& out) const {
         case op_jmp:
         case op_jt:
         case op_jf:
-        case op_callg:
         case op_mcallg:
         case op_loadg:
         case op_calll:
         case op_mcalll:
         case op_loadl:
             out << hex << "0x" << num << dec; break;
+        case op_callg:
+            out << hex << "0x" << num << dec;
+            out << " (" << util::rawstr(global_variable[num], 32) << ")";
+            break;
         case op_callb:
             out << hex << "0x" << num << dec;
             out << " <" << natives[num].name << "@0x";

src/nasal_opcode.h

@@ -4,6 +4,10 @@
 #include "natives/builtin.h"
 
 #include <iostream>
+#include <vector>
+#include <cstring>
+#include <sstream>
+#include <unordered_map>
 
 namespace nasal {
 
@@ -207,11 +211,18 @@ private:
     inline static const std::string* const_string = nullptr;
     inline static const nasal_builtin_table* natives = nullptr;
     inline static const std::string* files = nullptr;
+    inline static std::vector<std::string> global_variable;
     
 public:
     codestream(const opcode& c, const u64 i): code(c), index(i) {}
     static void set(const f64*,
                     const std::string*,
+                    const std::unordered_map<std::string, u64>&,
+                    const nasal_builtin_table*,
+                    const std::string* file_list = nullptr);
+    static void set(const f64*,
+                    const std::string*,
+                    const std::vector<std::string>&,
                     const nasal_builtin_table*,
                     const std::string* file_list = nullptr);
     void dump(std::ostream&) const;

src/nasal_vm.cpp

@@ -327,7 +327,13 @@ void vm::trace_back() {
 
     std::clog << "\nback trace ";
     std::clog << (ngc.cort? "(coroutine)":"(main)") << "\n";
-    codestream::set(const_number, const_string, native_function.data(), files);
+    codestream::set(
+        const_number,
+        const_string,
+        global_symbol_name,
+        native_function.data(),
+        files
+    );
 
     for(u64 p = 0, same = 0, prev = 0xffffffff; !ret.empty(); prev = p, ret.pop()) {
         if ((p = ret.top())==prev) {