Initial commit

include/ast/ast.hpp

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+/*
+ * Fsh Grammar
+ * 
+ * Command_Line      ::= Command EOF 
+ * 		               | Command Pipeline_Command
+ * 
+ * Pipeline_Command  ::= "|" Command EOF
+ * 		               | "|" Command "|" Pipeline_Command
+ * 
+ * Command           ::= Command_Name [Flag_Opt] {Command_Argument} [Redirect]
+ * 
+ * Redirects         ::= [LRedirect Word] RRedirect Word | [RRedirect Word] LRedirect Word
+ * 
+ * Command_Argument  ::= Word | String_Literal
+ * 
+ * Command_Name      ::= Word
+ */
+#pragma once
+
+#include "lexer.hpp"
+#include "util/text.hpp"
+
+#include "ast/ast_base.hpp"
+#include "ast/ast_token.hpp"
+#include "ast/ast_component.hpp"
+#include "ast/ast_executable.hpp"
+
+
+namespace fsh {
+
+class AstFactory {
+    public:
+
+    // Generates an abstract syntax tree
+    static std::shared_ptr<ExecutableNode> generate_ast(std::list<Token>& list) {
+        auto it = list.begin();
+        return CommandLineNode::build(it);
+    }
+
+    private:
+    static AstFactory& get_factory();
+    AstFactory() {}
+    AstFactory(const AstFactory&) = default;
+};
+
+}