Codegen basic arrays with size attached

ccodegen.cpp

@@ -20,7 +20,7 @@ gen_indent(){
 function void
 gen_simple_decl_prefix(Ast_Resolved_Type *ast){
   switch(ast->kind){
-    case TYPE_POINTER:{gen_simple_decl_prefix(ast->base); gen("*");} break;
+    case TYPE_POINTER: gen_simple_decl_prefix(ast->base); gen("*"); break;
     case TYPE_ARRAY: gen_simple_decl_prefix(ast->base); break;
     case TYPE_LAMBDA:break;
     case TYPE_ENUM:
@@ -37,7 +37,12 @@ function void
 gen_simple_decl_postfix(Ast_Resolved_Type *ast){
   switch(ast->kind){
     case TYPE_POINTER: gen_simple_decl_postfix(ast->base); break;
-    case TYPE_ARRAY: gen("[%d]", (int)ast->arr.size); gen_simple_decl_postfix(ast->arr.base); break;
+    case TYPE_ARRAY:
+      gen("[");
+      if(ast->arr.size != ARRAY_SIZE_INFERRED)
+        gen("%d", (int)ast->arr.size);
+      gen("]");
+      gen_simple_decl_postfix(ast->arr.base); break;
     case TYPE_LAMBDA:break;
     case TYPE_ENUM: case TYPE_STRUCT:break;
     default: name(ast);
@@ -59,14 +64,13 @@ gen_simple_decl(Ast_Resolved_Type *ast, Intern_String name){
     gen_simple_decl_prefix(ast);
     if(name.len) {
       gen("%s", name.str);
-      gen_simple_decl_postfix(ast);
     }
+    gen_simple_decl_postfix(ast);
   }
 }
 
 function void
 gen_value(Value a){
-  // gen("%s", docname(a.type));
   switch(a.type->kind){
     CASE_INT: {
       Scratch scratch;
@@ -94,13 +98,30 @@ gen_expr(Ast_Expr *ast){
     }
 
     CASE(INDEX, Index){
-      gen("(");
-      gen_expr(node->expr);
+      Sym *sym = resolved_get(node);
+      if(is_array(sym->type)){
+        gen("(");
+        gen("(");
 
-      gen("[");
-      gen_expr(node->index);
-      gen("]");
-      gen(")");
+        gen("(");
+        gen_simple_decl(sym->type->arr.base, {});
+        gen("*)");
+        gen_expr(node->expr);
+        gen(".data)");
+
+
+        gen("[");
+        gen_expr(node->index);
+        gen("]");
+        gen(")");
+      } else{
+        gen("(");
+        gen_expr(node->expr);
+        gen("[");
+        gen_expr(node->index);
+        gen("]");
+        gen(")");
+      }
       BREAK();
     }
 
@@ -123,11 +144,11 @@ gen_expr(Ast_Expr *ast){
         }
       }
       else{
-        gen("(");
+        if(!token_is_assign(node->op)) gen("(");
         gen_expr(node->left);
         gen("%s", name(node->op));
         gen_expr(node->right);
-        gen(")");
+        if(!token_is_assign(node->op)) gen(")");
       }
       BREAK();
     }
@@ -153,7 +174,10 @@ gen_expr(Ast_Expr *ast){
 
     CASE(CALL, Call){
       // @todo: Reach into map instead of direct lookup
-      if(is_struct(node->type) || is_array(node->type)){ // @todo: Should this be type_type maybe???
+      if(is_struct(node->type) || is_array(node->type)){
+        if(is_array(node->type)){
+          gen("(Slice){%d, ", node->exprs.len);
+        }
         gen("(");
         gen_simple_decl(node->type, {});
         gen(")");
@@ -177,6 +201,9 @@ gen_expr(Ast_Expr *ast){
           if(!node->exprs.is_last(&it)) gen(", ");
         }
         gen("}");
+        if(is_array(node->type)){
+          gen("}");
+        }
       }
       else{
         gen_expr(node->name);
@@ -240,10 +267,21 @@ gen_ast(Ast *ast){
 
     CASE(VAR, Var){
       Sym *sym = resolved_get(node);
-      gen_simple_decl(sym->type, node->name);
+
+      if(is_array(sym->type)){
+        gen("Slice %s", node->name.str);
+      } else{
+        gen_simple_decl(sym->type, node->name);
+      }
+
       if(node->expr){
         gen(" = ");
         gen_expr(node->expr);
+      } else if(is_array(sym->type)){
+        gen(" = (Slice){%d, (", sym->type->arr.size);
+        gen_simple_decl(sym->type, {});
+        gen("){}");
+        gen("}");
       }
       gen(";");
       BREAK();
@@ -498,3 +536,15 @@ compile_file(String filename){
   String result = compile_string(filecontent, filename);
   return result;
 }
+
+typedef struct Custom_Data{
+  S32 thing;
+}Custom_Data;
+
+
+typedef struct Slice{
+  S64 len;
+  void *data;
+}Slice;
+
+Slice thing = (Slice){2, (Custom_Data []){(Custom_Data ){1}, (Custom_Data ){2}}};