feat(compiler): produce a developer source map (#167)

Co-authored-by: xensik <xensik@pm.me>

include/xsk/arc/assembler.hpp

@@ -17,15 +17,17 @@ class assembler
     function const* func_;
     assembly const* assembly_;
     utils::writer script_;
+    utils::writer devmap_;
     std::unordered_map<std::string, u16> strpool_;
     std::vector<export_ref> exports_;
     std::vector<import_ref> imports_;
     std::vector<string_ref> strings_;
     std::vector<animtree_ref> anims_;
+    u32 devmap_count_;
 
 public:
     assembler(context const* ctx);
-    auto assemble(assembly const& data, std::string const& name = {}) -> buffer;
+    auto assemble(assembly const& data, std::string const& name = {}) -> std::pair<buffer, buffer>;
 
 private:
     auto assemble_function(function& func) -> void;

include/xsk/arc/common/assembly.hpp

@@ -158,12 +158,19 @@ enum class opcode : u8
     OP_Count,
 };
 
+struct sourcepos
+{
+    u16 line;
+    u16 column;
+};
+
 struct instruction
 {
     using ptr = std::unique_ptr<instruction>;
 
     u32 index;
     u32 size;
+    sourcepos pos;
     opcode opcode;
     std::vector<std::string> data;
 

include/xsk/arc/common/location.hpp

@@ -12,7 +12,7 @@ class position
 {
 public:
     typedef const std::string filename_type;
-    typedef int counter_type;
+    typedef u16 counter_type;
 
     filename_type *filename;
     counter_type line;

include/xsk/arc/compiler.hpp

@@ -20,6 +20,7 @@ class compiler
     std::vector<scope> scopes_;
     std::unordered_map<std::string, expr const*> constants_;
     std::string animtree_;
+    sourcepos debug_pos_;
     u32 index_;
     u32 label_idx_;
     bool can_break_;

include/xsk/gsc/assembler.hpp

@@ -18,10 +18,12 @@ class assembler
     assembly const* assembly_;
     utils::writer script_;
     utils::writer stack_;
+    utils::writer devmap_;
+    u32 devmap_count_;
 
 public:
     assembler(context const* ctx);
-    auto assemble(assembly const& data) -> std::pair<buffer, buffer>;
+    auto assemble(assembly const& data) -> std::tuple<buffer, buffer, buffer>;
 
 private:
     auto assemble_function(function const& func) -> void;

include/xsk/gsc/common/assembly.hpp

@@ -220,12 +220,19 @@ enum class opcode : u8
     OP_count,
 };
 
+struct sourcepos
+{
+    u16 line;
+    u16 column;
+};
+
 struct instruction
 {
     using ptr = std::unique_ptr<instruction>;
 
     u32 index;
     u32 size;
+    sourcepos pos;
     opcode opcode;
     std::vector<std::string> data;
 

include/xsk/gsc/common/location.hpp

@@ -12,7 +12,7 @@ class position
 {
 public:
     typedef const std::string filename_type;
-    typedef int counter_type;
+    typedef u16 counter_type;
 
     filename_type *filename;
     counter_type line;

include/xsk/gsc/compiler.hpp

@@ -22,6 +22,7 @@ class compiler
     std::vector<scope*> break_blks_;
     std::vector<scope*> continue_blks_;
     std::string animname_;
+    sourcepos debug_pos_;
     u32 index_;
     u32 label_idx_;
     bool can_break_;