revert to single expression from parse, but keep chains as implicit extension to expressions; use chained expressions to look up shorthands for hex, dec, bin, array counts, etc.

src/raddbg/raddbg_core.c

@@ -1942,7 +1942,7 @@ rd_commit_eval_value_string(E_Eval dst_eval, String8 string)
           type_kind == E_TypeKind_Enum))
       {
         got_commit_data = 1;
-        E_Expr *src_expr = e_parse_expr_from_text(scratch.arena, string).exprs.last;
+        E_Expr *src_expr = e_parse_expr_from_text(scratch.arena, string).expr;
         E_Expr *src_expr__casted = e_expr_ref_cast(scratch.arena, type_key, src_expr);
         E_Eval src_eval = e_eval_from_expr(scratch.arena, src_expr__casted);
         commit_data = push_str8_copy(scratch.arena, str8_struct(&src_eval.value));
@@ -2096,7 +2096,7 @@ rd_query_from_eval_string(Arena *arena, String8 string)
   String8 result = {0};
   {
     Temp scratch = scratch_begin(&arena, 1);
-    E_Expr *expr = e_parse_expr_from_text(scratch.arena, string).exprs.last;
+    E_Expr *expr = e_parse_expr_from_text(scratch.arena, string).expr;
     if(expr->kind == E_ExprKind_LeafIdentifier &&
        str8_match(expr->qualifier, str8_lit("query"), 0))
     {
@@ -12045,7 +12045,7 @@ rd_frame(void)
       
       //- rjf: add macro for 'call_stack' -> 'query:current_thread.callstack'
       {
-        E_Expr *expr = e_parse_expr_from_text(scratch.arena, str8_lit("query:current_thread.call_stack")).exprs.first;
+        E_Expr *expr = e_parse_expr_from_text(scratch.arena, str8_lit("query:current_thread.call_stack")).expr;
         e_string2expr_map_insert(scratch.arena, ctx->macro_map, str8_lit("call_stack"), expr);
       }
       
@@ -12247,7 +12247,7 @@ rd_frame(void)
         E_Parse parse = e_parse_expr_from_text(scratch.arena, expr);
         if(parse.msgs.max_kind == E_MsgKind_Null)
         {
-          for(E_Expr *expr = parse.exprs.first; expr != &e_expr_nil; expr = expr->next)
+          for(E_Expr *expr = parse.expr; expr != &e_expr_nil; expr = expr->next)
           {
             e_push_leaf_ident_exprs_from_expr__in_place(scratch.arena, ctx->macro_map, expr);
           }
@@ -15707,7 +15707,7 @@ Z(getting_started)
             ExprWalkTask *next;
             E_Expr *expr;
           };
-          E_Expr *expr = e_parse_expr_from_text(scratch.arena, src_bp_cnd).exprs.last;
+          E_Expr *expr = e_parse_expr_from_text(scratch.arena, src_bp_cnd).expr;
           ExprWalkTask start_task = {0, expr};
           ExprWalkTask *first_task = &start_task;
           for(ExprWalkTask *t = first_task; t != 0; t = t->next)

src/raddbg/raddbg_eval.c

@@ -136,7 +136,7 @@ E_TYPE_EXPAND_RANGE_FUNCTION_DEF(watches)
     if(cfg_idx < cfgs->count)
     {
       String8 expr_string = rd_cfg_child_from_string(cfgs->v[cfg_idx], str8_lit("expression"))->first->string;
-      exprs_out[idx] = e_parse_expr_from_text(arena, expr_string).exprs.first;
+      exprs_out[idx] = e_parse_expr_from_text(arena, expr_string).expr;
       exprs_strings_out[idx] = push_str8_copy(arena, expr_string);
     }
   }
@@ -218,7 +218,7 @@ E_TYPE_EXPAND_RANGE_FUNCTION_DEF(locals)
   for(U64 idx = 0; idx < read_range_count; idx += 1)
   {
     String8 expr_string = accel->v[read_range.min + idx];
-    exprs_out[idx] = e_parse_expr_from_text(arena, expr_string).exprs.last;
+    exprs_out[idx] = e_parse_expr_from_text(arena, expr_string).expr;
     exprs_strings_out[idx] = push_str8_copy(arena, expr_string);
   }
 }
@@ -270,7 +270,7 @@ E_TYPE_EXPAND_RANGE_FUNCTION_DEF(registers)
     String8 register_name = accel->v[read_range.min + idx];
     String8 register_expr = push_str8f(arena, "reg:%S", register_name);
     exprs_strings_out[idx] = register_name;
-    exprs_out[idx] = e_parse_expr_from_text(arena, register_expr).exprs.last;
+    exprs_out[idx] = e_parse_expr_from_text(arena, register_expr).expr;
   }
 }
 
@@ -400,7 +400,7 @@ E_TYPE_ACCESS_FUNCTION_DEF(schema)
       if(wrap_child_w_meta_expr)
       {
         Temp scratch = scratch_begin(&arena, 1);
-        E_Expr *expr = e_parse_expr_from_text(scratch.arena, child->first->string).exprs.first;
+        E_Expr *expr = e_parse_expr_from_text(scratch.arena, child->first->string).expr;
         B32 expr_is_simple = 0;
         if(expr->kind == E_ExprKind_LeafU64 ||
            expr->kind == E_ExprKind_LeafF64 ||
@@ -428,8 +428,8 @@ E_TYPE_ACCESS_FUNCTION_DEF(schema)
       if(!md_node_is_nil(range))
       {
         Temp scratch = scratch_begin(&arena, 1);
-        E_Expr *min_bound = e_parse_expr_from_text(scratch.arena, range->first->string).exprs.first;
-        E_Expr *max_bound = e_parse_expr_from_text(scratch.arena, range->first->next->string).exprs.first;
+        E_Expr *min_bound = e_parse_expr_from_text(scratch.arena, range->first->string).expr;
+        E_Expr *max_bound = e_parse_expr_from_text(scratch.arena, range->first->next->string).expr;
         E_Expr *args[] =
         {
           min_bound,
@@ -689,7 +689,7 @@ E_TYPE_EXPAND_RANGE_FUNCTION_DEF(cfgs)
   {
     Rng1U64 read_range = intersect_1u64(cmds_idx_range, idx_range);
     U64 read_count = dim_1u64(read_range);
-    E_Expr *commands = e_parse_expr_from_text(arena, str8_lit("query:commands")).exprs.last;
+    E_Expr *commands = e_parse_expr_from_text(arena, str8_lit("query:commands")).expr;
     E_IRTreeAndType commands_irtree = e_irtree_and_type_from_expr(arena, commands);
     for(U64 idx = 0; idx < read_count; idx += 1, dst_idx += 1)
     {

src/raddbg/raddbg_views.c

@@ -1445,7 +1445,7 @@ rd_info_from_watch_row_cell(Arena *arena, EV_Row *row, EV_StringFlags string_fla
       E_Expr *root_expr = row->eval.expr;
       if(wrap_string.size != 0)
       {
-        E_Expr *wrap_expr = e_parse_expr_from_text(scratch.arena, wrap_string).exprs.last;
+        E_Expr *wrap_expr = e_parse_expr_from_text(scratch.arena, wrap_string).expr;
         root_expr = wrap_expr;
         typedef struct Task Task;
         struct Task