docs: update project status and sync EBNF with parser implementation

Signed-off-by: erick-alcachofa <erick@artichoke.dev>

Updates the README to reflect the completion of the front-end parser
infrastructure and shifts the roadmap toward semantic analysis.
Simultaneously synchronizes the formal EBNF grammar with recent
syntactic changes.

- Formalize 'Global Turbofish' (::<>) for all type instantiations.
- Implement '.field = value' syntax for named field initializers.
- Add 'type_initiated_literal' to support anonymous type construction.
- Support optional boundaries in slice syntax ([:], [n:], etc.).
- Update README with a technical checklist and usage instructions for
  the artichoke-c frontend.
- Fix various EBNF syntax errors and missing angle brackets.

README.md

@@ -3,6 +3,8 @@
 >   very unstable.
 > * There will likely be breaking changes and periods where no work is done on
 >   the project.
+> * Expect breaking changes as the compiler progresses through semantic analysis
+>   and code generation.
 
 # The `artichoke` Programming Language
 
@@ -15,8 +17,8 @@ The goal of `artichoke` is to provide a language that is simple, safe, and
 productive for programming, eliminating common pitfalls without sacrificing
 performance or control.
 
-For a detailed guide to the language, please see the
-[project wiki](https://git.artichoke.dev/me/artichoke-lang/wiki).
+For a detailed guide to the language, grammar specification, and syntax
+features, please see the [project wiki](https://git.artichoke.dev/me/artichoke-lang/wiki)
 
 ## Core Philosophy & Features
 
@@ -26,6 +28,8 @@ productive programming experience:
 * **Explicitness:** Type conversions and error handling are explicit.  
 * **Safety:** Non-nullable pointers, a robust type system, and deterministic
 resource management are prioritized.  
+* **Unambiguous Design:** A grammar designed for fast, single-pass parsing and
+clear error reporting.
 * **Modern Ergonomics:** Features like generics, defer, and a clean module
 system reduce boilerplate and improve readability.
 
@@ -35,9 +39,19 @@ true **module system**, and **compile-time reflection**.
 
 ## Project Status
 
-`artichoke` is currently in the ***design and grammar-specification phase***. The
-grammar is stable, and the next step is the implementation of a compiler
-(parser, semantic analyzer, and code generator).
+`artichoke` is currently in the **early implementation phase**. The front-end
+infrastructure is not yet defined but contains a simple program for printing and
+visualizing the generated AST, development has shifted now toward semantic
+validation.
+
+- [x] **Lexical Analysis:** Full tokenizer implementation.
+- [x] **Syntactic Analysis:** Handwritten Recursive Descent + Pratt Expression
+Parser.
+- [x] **AST Infrastructure:** Complete Abstract Syntax Tree with Graphviz
+and String-Graph based visualization support.
+- [ ] **Semantic Analysis (In Progress):** Multi-pass symbol table generation
+and type checking.
+- [ ] **Backend:** Code generation and optimization.
 
 ## Building from Source
 
@@ -52,13 +66,13 @@ cmake -DCMAKE_BUILD_TYPE=Release -S . -B build
 # Build the project
 cmake --build build
 
-# Run the binary
-./build/frontend/artichoke-c
+# Run the compiler frontend binary
+./build/frontend/artichoke-c <input_file>
 
 # Run the tests if enabled
 ctest --test-dir build/tests --output-on-failure
 
-# Install if wanted
+# Install library and frontend binary if wanted
 cmake --install build --prefix=/usr/local
 
 # Run the installed binary

docs/grammar.ebnf

@@ -24,7 +24,7 @@
   | <enum_declaration>
   | <function_declaration>
 
-non_exportable_declaration =
+<non_exportable_declaration> =
     <import_statement>
   | <alias_statement>
   | <module_statement>
@@ -234,10 +234,14 @@ non_exportable_declaration =
 <primary_expression> =
     <grouped_expression>
   | <literal>
+  | <type_initialized_literal>
   | <access_expression> ( "{" <struct_literal_body> "}" )?
 
 <access_expression> =
-  <identifier> ( "<" <types_list> ">" )?
+  <identifier> ( "::" "<" <types_list> ">" )?
+
+<type_initiated_literal> =
+  <type> "{" <struct_literal_body> "}"
 
 <literal> =
     <char_literal>
@@ -262,7 +266,7 @@ non_exportable_declaration =
   <named_field_init> ( "," <named_field_init> )*
 
 <named_field_init> =
-  <identifier> ":" <expression>
+  "." <identifier> "=" <expression>
 
 <positional_field_list> =
   <expression> ( "," <expression> )*
@@ -294,7 +298,7 @@ non_exportable_declaration =
 <suffix_op> =
     "[" <array_access_tail>
   | "." <identifier>
-  | "::" <identifier> ( "<" <types_list> ">" )?
+  | "::" <identifier> ( "::" "<" <types_list> ">" )?
   | "->" <identifier>
   | ".@" <identifier>?
   | ".[" <expression> "]"
@@ -302,7 +306,7 @@ non_exportable_declaration =
   | ".*"
 
 <array_access_tail> =
-    <expression> <slice_or_index_tail>
+    <expression>? <slice_or_index_tail>
   | ":" <expression>? "]"
 
 <slice_or_index_tail> =
@@ -329,10 +333,10 @@ non_exportable_declaration =
   | "?" <type_qualifier_chain_after_optional>?
 
 <type_name> =
-  <access_expression> ( "::" <identifier> ( "<" <types_list> ">" )? )*
+  <access_expression> ( "::" <identifier> ( "::" "<" <types_list> ">" )? )*
 
 <namespaced_identifier> =
-    <identifier> ( "::" identifier )*
+    <identifier> ( "::" <identifier> )*
 
 <types_list> =
   <type> ( "," <types_list> )*