diff --git a/build.bat b/build.bat
index 9236ea1f..abe5f279 100644
--- a/build.bat
+++ b/build.bat
@@ -47,7 +47,6 @@ if "%opengl%"=="1"                  set auto_compile_flags=%auto_compile_flags%
 if "%dwarf%"=="1" if "%clang%"=="1" set auto_compile_flags=%auto_compile_flags% -gdwarf && echo [dwarf debug info]
 if "%dwarf%"==""  if "%clang%"=="1" set auto_compile_flags=%auto_compile_flags% -gcodeview
 if "%pgo%"=="1" (
-  if "%no_meta%"=="" echo ERROR: PGO build must have no_meta argument || exit /b 1
   where llvm-profdata /q || echo llvm-profdata is not in the PATH || exit /b 1 
   if "%clang%"=="1" (
     if "%pgo_run%" == "1" (
@@ -120,8 +119,8 @@ for /f %%i in ('call git describe --always --dirty')   do set compile=%compile%
 for /f %%i in ('call git rev-parse HEAD')              do set compile=%compile% -DBUILD_GIT_HASH_FULL=\"%%i\"
 
 :: --- Build & Run Metaprogram ------------------------------------------------
-if "%no_meta%"=="1" echo [skipping metagen]
-if not "%no_meta%"=="1" (
+if "%meta%"=="1" (
+  echo [doing metagen]
   pushd build
   %compile_debug% ..\src\metagen\metagen_main.c %compile_link% %out%metagen.exe || exit /b 1
   metagen.exe || exit /b 1
diff --git a/src/config/config.c b/src/config/config.c
index e374ac97..1fb3e85d 100644
--- a/src/config/config.c
+++ b/src/config/config.c
@@ -4,59 +4,484 @@
 ////////////////////////////////
 //~ rjf: ID Functions
 
-internal void cfg_id_list_push(Arena *arena, CFG_IDList *list, CFG_ID id);
-internal CFG_IDList cfg_id_list_copy(Arena *arena, CFG_IDList *src);
+internal void
+cfg_id_list_push(Arena *arena, CFG_IDList *list, CFG_ID id)
+{
+  CFG_IDNode *n = push_array(arena, CFG_IDNode, 1);
+  SLLQueuePush(list->first, list->last, n);
+  list->count += 1;
+  n->v = id;
+}
+
+internal CFG_IDList
+cfg_id_list_copy(Arena *arena, CFG_IDList *src)
+{
+  CFG_IDList dst = {0};
+  for EachNode(n, CFG_IDNode, src->first)
+  {
+    cfg_id_list_push(arena, &dst, n->v);
+  }
+  return dst;
+}
 
 ////////////////////////////////
 //~ rjf: Node Pointer Data Structure Functions
 
-internal void cfg_node_ptr_list_push(Arena *arena, CFG_NodePtrList *list, CFG_Node *node);
-internal void cfg_node_ptr_list_push_front(Arena *arena, CFG_NodePtrList *list, CFG_Node *node);
-#define cfg_node_ptr_list_first(list) ((list)->count ? (list)->first->v : &cfg_nil_node)
-#define cfg_node_ptr_list_last(list)  ((list)->count ? (list)->last->v  : &cfg_nil_node)
-internal CFG_NodePtrArray cfg_node_ptr_array_from_list(Arena *arena, CFG_NodePtrList *list);
+internal void
+cfg_node_ptr_list_push(Arena *arena, CFG_NodePtrList *list, CFG_Node *node)
+{
+  CFG_NodePtrNode *n = push_array(arena, CFG_NodePtrNode, 1);
+  SLLQueuePush(list->first, list->last, n);
+  list->count += 1;
+  n->v = node;
+}
+
+internal void
+cfg_node_ptr_list_push_front(Arena *arena, CFG_NodePtrList *list, CFG_Node *node)
+{
+  CFG_NodePtrNode *n = push_array(arena, CFG_NodePtrNode, 1);
+  SLLQueuePushFront(list->first, list->last, n);
+  list->count += 1;
+  n->v = node;
+}
+
+internal CFG_NodePtrArray
+cfg_node_ptr_array_from_list(Arena *arena, CFG_NodePtrList *list)
+{
+  CFG_NodePtrArray array = {0};
+  array.count = list->count;
+  array.v = push_array_no_zero(arena, CFG_Node *, array.count);
+  {
+    U64 idx = 0;
+    for EachNode(n, CFG_NodePtrNode, list->first)
+    {
+      array.v[idx] = n->v;
+      idx += 1;
+    }
+  }
+  return array;
+}
+
+////////////////////////////////
+//~ rjf: Schema Data Structure Functions
+
+internal void
+cfg_schema_table_insert(Arena *arena, CFG_SchemaTable *table, String8 name, MD_Node *schema)
+{
+  
+}
+
+internal MD_NodePtrList
+cfg_schemas_from_name(Arena *arena, CFG_SchemaTable *table, String8 name)
+{
+  
+}
 
 ////////////////////////////////
 //~ rjf: Config Reading Functions
 
 //- rjf: context selection
-internal void cfg_ctx_select(CFG_Ctx *ctx);
+
+internal void
+cfg_ctx_select(CFG_Ctx *ctx)
+{
+  cfg_ctx = ctx;
+}
 
 //- rjf: tree navigations
-internal CFG_Node *cfg_node_from_id(CFG_ID id);
-internal CFG_Node *cfg_node_child_from_string(CFG_Node *parent, String8 string);
-internal CFG_Node *cfg_node_child_from_string_or_parent(CFG_Node *parent, String8 string);
-internal CFG_NodePtrList cfg_node_child_list_from_string(Arena *arena, CFG_Node *parent, String8 string);
-internal CFG_NodePtrList cfg_node_top_level_list_from_string(Arena *arena, String8 string);
-internal CFG_NodeRec cfg_node_rec__depth_first(CFG_Node *root, CFG_Node *node);
+
+internal CFG_Node *
+cfg_node_from_id(CFG_ID id)
+{
+  CFG_Node *result = &cfg_nil_node;
+  if(id != 0 &&
+     id == cfg_ctx->last_accessed_id &&
+     id == cfg_ctx->last_accessed->id)
+  {
+    result = cfg_ctx->last_accessed;
+  }
+  else
+  {
+    U64 hash = u64_hash_from_str8(str8_struct(&id));
+    U64 slot_idx = hash%cfg_ctx->id_slots_count;
+    for(CFG_NodePtrNode *n = cfg_ctx->id_slots[slot_idx].first; n != 0; n = n->next)
+    {
+      if(n->v->id == id)
+      {
+        result = n->v;
+        break;
+      }
+    }
+  }
+  cfg_ctx->last_accessed_id = id;
+  cfg_ctx->last_accessed = result;
+  return result;
+}
+
+internal CFG_Node *
+cfg_node_child_from_string(CFG_Node *parent, String8 string)
+{
+  CFG_Node *child = &cfg_nil_node;
+  if(string.size != 0)
+  {
+    for(CFG_Node *c = parent->first; c != &cfg_nil_node; c = c->next)
+    {
+      if(str8_match(c->string, string, 0))
+      {
+        child = c;
+        break;
+      }
+    }
+  }
+  return child;
+}
+
+internal CFG_Node *
+cfg_node_child_from_string_or_parent(CFG_Node *parent, String8 string)
+{
+  CFG_Node *result = cfg_node_child_from_string(parent, string);
+  if(result == &cfg_nil_node)
+  {
+    result = parent;
+  }
+  return result;
+}
+
+internal CFG_NodePtrList
+cfg_node_child_list_from_string(Arena *arena, CFG_Node *parent, String8 string)
+{
+  CFG_NodePtrList result = {0};
+  for(CFG_Node *child = parent->first; child != &cfg_nil_node; child = child->next)
+  {
+    if(str8_match(child->string, string, 0))
+    {
+      cfg_node_ptr_list_push(arena, &result, child);
+    }
+  }
+  return result;
+}
+
+internal CFG_NodePtrList
+cfg_node_top_level_list_from_string(Arena *arena, String8 string)
+{
+  CFG_NodePtrList result = {0};
+  for(CFG_Node *bucket = cfg_ctx->root->first; bucket != &cfg_nil_node; bucket = bucket->next)
+  {
+    for(CFG_Node *tln = bucket->first; tln != &cfg_nil_node; tln = tln->next)
+    {
+      if(str8_match(tln->string, string, 0))
+      {
+        cfg_node_ptr_list_push(arena, &result, tln);
+      }
+    }
+  }
+  return result;
+}
+
+internal CFG_NodeRec
+cfg_node_rec__depth_first(CFG_Node *root, CFG_Node *node)
+{
+  CFG_NodeRec rec = {&cfg_nil_node};
+  if(node->first != &cfg_nil_node)
+  {
+    rec.next = node->first;
+    rec.push_count = 1;
+  }
+  else for(CFG_Node *p = node; p != root; p = p->parent, rec.pop_count += 1)
+  {
+    if(p->next != &cfg_nil_node)
+    {
+      rec.next = p->next;
+      break;
+    }
+  }
+  return rec;
+}
 
 //- rjf: serialization
-internal String8 cfg_string_from_tree(Arena *arena, String8 root_path, CFG_Node *root);
+
+internal String8
+cfg_string_from_tree(Arena *arena, String8 root_path, CFG_Node *root)
+{
+  Temp scratch = scratch_begin(&arena, 1);
+  String8List strings = {0};
+  {
+    typedef struct NestTask NestTask;
+    struct NestTask
+    {
+      NestTask *next;
+      CFG_Node *cfg;
+      MD_Node *schema;
+      B32 is_simple;
+    };
+    NestTask *top_nest_task = 0;
+    CFG_NodeRec rec = {0};
+    for(CFG_Node *c = root; c != &cfg_nil_node; c = rec.next)
+    {
+      // rjf: look up parent's schemas
+      MD_NodePtrList schemas = {0};
+      if(top_nest_task != 0)
+      {
+        CFG_Node *parent = top_nest_task->cfg;
+        schemas = rd_schemas_from_name(parent->string);
+      }
+      
+      // rjf: look up child schema
+      MD_Node *c_schema = &md_nil_node;
+      for(MD_NodePtrNode *n = schemas.first; n != 0 && c_schema == &md_nil_node; n = n->next)
+      {
+        c_schema = md_child_from_string(n->v, c->string, 0);
+      }
+      
+      // rjf: push name of this node
+      if(c->string.size != 0 || c->first == &cfg_nil_node)
+      {
+        // rjf: extract the textualized form for this string (we may need to escape / relativize)
+        String8 c_serialized_string = c->string;
+        {
+          MD_Node *c_schema = &md_nil_node;
+          if(top_nest_task != 0)
+          {
+            c_schema = top_nest_task->schema;
+          }
+          
+          // rjf: paths -> relativize
+          if(!md_node_has_tag(c_schema->first, str8_lit("no_relativize"), 0))
+          {
+            if(str8_match(c_schema->first->string, str8_lit("path"), 0))
+            {
+              String8 path_absolute = c->string;
+              String8 path_relative = path_relative_dst_from_absolute_dst_src(arena, path_absolute, root_path);
+              c_serialized_string = path_relative;
+            }
+            else if(str8_match(c_schema->first->string, str8_lit("path_pt"), 0))
+            {
+              String8 value = c->string;
+              String8TxtPtPair parts = str8_txt_pt_pair_from_string(value);
+              String8 path_relative = path_relative_dst_from_absolute_dst_src(scratch.arena, parts.string, root_path);
+              c_serialized_string = push_str8f(arena, "%S:%I64d:%I64d", path_relative, parts.pt.line, parts.pt.column);
+            }
+          }
+          
+          // rjf: all strings -> escape
+          c_serialized_string = escaped_from_raw_str8(arena, c_serialized_string);
+        }
+        
+        // rjf: generate all strings for this node's string
+        String8List c_name_strings = {0};
+        {
+          B32 name_can_be_pushed_standalone = 0;
+          {
+            Temp temp = temp_begin(scratch.arena);
+            MD_TokenizeResult c_name_tokenize = md_tokenize_from_text(temp.arena, c_serialized_string);
+            name_can_be_pushed_standalone = (c_name_tokenize.tokens.count == 1 && c_name_tokenize.tokens.v[0].flags & (MD_TokenFlag_Identifier|
+                                                                                                                       MD_TokenFlag_Numeric|
+                                                                                                                       MD_TokenFlag_StringLiteral|
+                                                                                                                       MD_TokenFlag_Symbol));
+            temp_end(temp);
+          }
+          if(name_can_be_pushed_standalone)
+          {
+            str8_list_push(scratch.arena, &c_name_strings, c_serialized_string);
+          }
+          else
+          {
+            str8_list_push(scratch.arena, &c_name_strings, str8_lit("\""));
+            str8_list_push(scratch.arena, &c_name_strings, c_serialized_string);
+            str8_list_push(scratch.arena, &c_name_strings, str8_lit("\""));
+          }
+        }
+        
+        // rjf: if we're in a simple nesting task, then just break children by space
+        if(top_nest_task != 0 && top_nest_task->is_simple)
+        {
+          str8_list_push(scratch.arena, &strings, str8_lit(" "));
+        }
+        
+        // rjf: join c's strings with main string list
+        str8_list_concat_in_place(&strings, &c_name_strings);
+      }
+      
+      // rjf: grab next recursion
+      rec = cfg_node_rec__depth_first(root, c);
+      
+      // rjf: push a new nesting task before descending to children
+      if(c->first != &cfg_nil_node)
+      {
+        B32 is_simple_children_list = 1;
+        for(CFG_Node *child = c->first; child != &cfg_nil_node; child = child->next)
+        {
+          if(child->first != &cfg_nil_node && child != c->last)
+          {
+            is_simple_children_list = 0;
+            break;
+          }
+        }
+        NestTask *task = push_array(scratch.arena, NestTask, 1);
+        task->cfg = c;
+        task->schema = c_schema;
+        task->is_simple = is_simple_children_list;
+        SLLStackPush(top_nest_task, task);
+      }
+      
+      // rjf: tree navigations -> encode hierarchy
+      if(rec.push_count > 0)
+      {
+        if(top_nest_task->is_simple && c->string.size != 0)
+        {
+          str8_list_push(scratch.arena, &strings, str8_lit(":"));
+        }
+        else
+        {
+          if(c->string.size != 0)
+          {
+            str8_list_push(scratch.arena, &strings, str8_lit(":\n"));
+          }
+          str8_list_push(scratch.arena, &strings, str8_lit("{"));
+        }
+      }
+      else
+      {
+        for(S32 pop_idx = 0; pop_idx < rec.pop_count; pop_idx += 1, SLLStackPop(top_nest_task))
+        {
+          if(top_nest_task->is_simple)
+          {
+            if(top_nest_task->cfg->string.size == 0)
+            {
+              str8_list_push(scratch.arena, &strings, str8_lit(" }"));
+            }
+          }
+          else
+          {
+            str8_list_push(scratch.arena, &strings, str8_lit("\n}"));
+          }
+        }
+      }
+      if(!top_nest_task || top_nest_task->is_simple == 0)
+      {
+        str8_list_push(scratch.arena, &strings, str8_lit("\n"));
+      }
+    }
+  }
+  String8 result_unindented = str8_list_join(scratch.arena, &strings, 0);
+  String8 result = indented_from_string(arena, result_unindented);
+  scratch_end(scratch);
+  return result;
+}
 
 ////////////////////////////////
 //~ rjf: Config Writing Functions
 
 //- rjf: state creation / destroying
-internal CFG_State *cfg_state_alloc(void);
-internal void cfg_state_release(CFG_State *state);
+
+internal CFG_State *
+cfg_state_alloc(void)
+{
+  Arena *arena = arena_alloc();
+  CFG_State *state = push_array(arena, CFG_State, 1);
+  state->arena = arena;
+  return state;
+}
+
+internal void
+cfg_state_release(CFG_State *state)
+{
+  arena_release(state->arena);
+}
 
 //- rjf: state -> ctx
-internal CFG_Ctx *cfg_state_ctx(CFG_State *state);
+
+internal CFG_Ctx *
+cfg_state_ctx(CFG_State *state)
+{
+  CFG_Ctx *ctx = &state->ctx;
+  return ctx;
+}
 
 //- rjf: tree building
-internal CFG_Node *cfg_node_alloc(CFG_State *state);
-internal void cfg_node_release(CFG_State *state, CFG_Node *node);
-internal void cfg_node_release_all_children(CFG_State *state, CFG_Node *node);
-internal CFG_Node *cfg_node_new(CFG_State *state, CFG_Node *parent, String8 string);
-internal CFG_Node *cfg_node_newf(CFG_State *state, CFG_Node *parent, char *fmt, ...);
-internal CFG_Node *cfg_node_new_replace(CFG_State *state, CFG_Node *parent, String8 string);
-internal CFG_Node *cfg_node_new_replacef(CFG_State *state, CFG_Node *parent, char *fmt, ...);
-internal CFG_Node *cfg_node_deep_copy(CFG_State *state, CFG_Node *src_root);
-internal void cfg_node_equip_string(CFG_State *state, CFG_Node *node, String8 string);
-internal void cfg_node_equip_stringf(CFG_State *state, CFG_Node *node, char *fmt, ...);
-internal void cfg_node_insert_child(CFG_State *state, CFG_Node *parent, CFG_Node *prev_child, CFG_Node *new_child);
-internal void cfg_node_unhook(CFG_State *state, CFG_Node *parent, CFG_Node *child);
-internal CFG_Node *cfg_node_child_from_string_or_alloc(CFG_State *state, CFG_Node *parent, String8 string);
+
+internal CFG_Node *
+cfg_node_alloc(CFG_State *state)
+{
+  
+}
+
+internal void
+cfg_node_release(CFG_State *state, CFG_Node *node)
+{
+  
+}
+
+internal void
+cfg_node_release_all_children(CFG_State *state, CFG_Node *node)
+{
+  
+}
+
+internal CFG_Node *
+cfg_node_new(CFG_State *state, CFG_Node *parent, String8 string)
+{
+  
+}
+
+internal CFG_Node *
+cfg_node_newf(CFG_State *state, CFG_Node *parent, char *fmt, ...)
+{
+  
+}
+
+internal CFG_Node *
+cfg_node_new_replace(CFG_State *state, CFG_Node *parent, String8 string)
+{
+  
+}
+
+internal CFG_Node *
+cfg_node_new_replacef(CFG_State *state, CFG_Node *parent, char *fmt, ...)
+{
+  
+}
+
+internal CFG_Node *
+cfg_node_deep_copy(CFG_State *state, CFG_Node *src_root)
+{
+  
+}
+
+internal void
+cfg_node_equip_string(CFG_State *state, CFG_Node *node, String8 string)
+{
+  
+}
+
+internal void
+cfg_node_equip_stringf(CFG_State *state, CFG_Node *node, char *fmt, ...)
+{
+  
+}
+
+internal void
+cfg_node_insert_child(CFG_State *state, CFG_Node *parent, CFG_Node *prev_child, CFG_Node *new_child)
+{
+  
+}
+
+internal void
+cfg_node_unhook(CFG_State *state, CFG_Node *parent, CFG_Node *child)
+{
+  
+}
+
+internal CFG_Node *
+cfg_node_child_from_string_or_alloc(CFG_State *state, CFG_Node *parent, String8 string)
+{
+  
+}
 
 //- rjf: deserialization
-internal CFG_NodePtrList cfg_node_ptr_list_from_string(Arena *arena, String8 root_path, String8 string);
+
+internal CFG_NodePtrList
+cfg_node_ptr_list_from_string(Arena *arena, String8 root_path, String8 string)
+{
+  
+}
diff --git a/src/config/config.h b/src/config/config.h
index e0b12ed0..03495f80 100644
--- a/src/config/config.h
+++ b/src/config/config.h
@@ -101,6 +101,24 @@ struct CFG_State
   CFG_Ctx ctx;
 };
 
+////////////////////////////////
+//~ rjf: Schema Table
+
+typedef struct CFG_SchemaNode CFG_SchemaNode;
+struct CFG_SchemaNode
+{
+  CFG_SchemaNode *next;
+  String8 name;
+  MD_Node *schema;
+};
+
+typedef struct CFG_SchemaTable CFG_SchemaTable;
+struct CFG_SchemaTable
+{
+  CFG_SchemaNode **slots;
+  U64 slots_count;
+};
+
 ////////////////////////////////
 //~ rjf: Globals
 
@@ -130,6 +148,12 @@ internal void cfg_node_ptr_list_push_front(Arena *arena, CFG_NodePtrList *list,
 #define cfg_node_ptr_list_last(list)  ((list)->count ? (list)->last->v  : &cfg_nil_node)
 internal CFG_NodePtrArray cfg_node_ptr_array_from_list(Arena *arena, CFG_NodePtrList *list);
 
+////////////////////////////////
+//~ rjf: Schema Data Structure Functions
+
+internal void cfg_schema_table_insert(Arena *arena, CFG_SchemaTable *table, String8 name, MD_Node *schema);
+internal MD_NodePtrList cfg_schemas_from_name(Arena *arena, CFG_SchemaTable *table, String8 name);
+
 ////////////////////////////////
 //~ rjf: Config Reading Functions
 
diff --git a/src/raddbg/raddbg_main.c b/src/raddbg/raddbg_main.c
index 7099d25f..62e01c46 100644
--- a/src/raddbg/raddbg_main.c
+++ b/src/raddbg/raddbg_main.c
@@ -24,7 +24,7 @@
 // [ ] fix type intepretations of cursor in bottom pane
 //
 //- bug fixes
-// [ ] disassembly sometimes has a problem where source line annotations are
+// [x] disassembly sometimes has a problem where source line annotations are
 //     periodically removed/inserted... maybe updating on fs change when we
 //     shouldn't, non-deterministic line annotation path?
 //
@@ -110,10 +110,10 @@
 //
 //- visualizer improvements
 // [ ] disasm starting address - need to use debug info for more correct results...
-// [ ] linked list view
 // [ ] multidimensional `array`
 // [ ] 2-vector, 3-vector, quaternion
 // [ ] audio waveform views
+// [x] linked list view
 //
 //- eval improvements
 // [ ] maybe add extra caching layer to process memory querying? we pay a pretty
@@ -148,10 +148,10 @@
 // [ ] step-out-of-loop
 //
 //- late-conversion performance improvements
+// [ ] live++ investigations - ctrl+alt+f11 in UE?
 // [x] investigate wide-conversion performance
 //  [x] oversubscribing cores?
 //  [x] conversion crashes?
-// [ ] live++ investigations - ctrl+alt+f11 in UE?
 //
 //- memory usage improvements
 // [x] "root" concept in hash store, which buckets keys & allows usage code to
@@ -223,6 +223,7 @@
 #include "rdi/rdi_local.h"
 #include "rdi_make/rdi_make_local.h"
 #include "mdesk/mdesk.h"
+#include "config/config.h"
 #include "content/content.h"
 #include "file_stream/file_stream.h"
 #include "text/text.h"
@@ -270,6 +271,7 @@
 #include "rdi/rdi_local.c"
 #include "rdi_make/rdi_make_local.c"
 #include "mdesk/mdesk.c"
+#include "config/config.c"
 #include "content/content.c"
 #include "file_stream/file_stream.c"
 #include "text/text.c"