From 1aac95a7375e58bacade69ed12f9dade484a03a8 Mon Sep 17 00:00:00 2001
From: Ignacio Etcheverry <ignalfonsore@gmail.com>
Date: Mon, 22 Oct 2018 19:43:19 +0200
Subject: Parse C# script namespace and class

- Added a very simple parser that can extract the namespace and class name of a C# script.
---
 modules/mono/editor/script_class_parser.h | 74 +++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 modules/mono/editor/script_class_parser.h

(limited to 'modules/mono/editor/script_class_parser.h')

diff --git a/modules/mono/editor/script_class_parser.h b/modules/mono/editor/script_class_parser.h
new file mode 100644
index 0000000000..11cf1853e2
--- /dev/null
+++ b/modules/mono/editor/script_class_parser.h
@@ -0,0 +1,74 @@
+#ifndef SCRIPT_CLASS_PARSER_H
+#define SCRIPT_CLASS_PARSER_H
+
+#include "core/ustring.h"
+#include "core/variant.h"
+#include "core/vector.h"
+
+class ScriptClassParser {
+
+public:
+	struct NameDecl {
+		enum Type {
+			NAMESPACE_DECL,
+			CLASS_DECL,
+			STRUCT_DECL
+		};
+
+		String name;
+		Type type;
+	};
+
+	struct ClassDecl {
+		String name;
+		String namespace_;
+		Vector<String> base;
+		bool nested;
+		bool has_script_attr;
+	};
+
+private:
+	String code;
+	int idx;
+	int line;
+	String error_str;
+	bool error;
+	Variant value;
+
+	Vector<ClassDecl> classes;
+
+	enum Token {
+		TK_BRACKET_OPEN,
+		TK_BRACKET_CLOSE,
+		TK_CURLY_BRACKET_OPEN,
+		TK_CURLY_BRACKET_CLOSE,
+		TK_PERIOD,
+		TK_COLON,
+		TK_COMMA,
+		TK_SYMBOL,
+		TK_IDENTIFIER,
+		TK_STRING,
+		TK_NUMBER,
+		TK_OP_LESS,
+		TK_OP_GREATER,
+		TK_EOF,
+		TK_ERROR
+	};
+
+	Token get_token();
+
+	Error _skip_type_parameters();
+
+	Error _parse_class_base(Vector<String> &r_base);
+	Error _parse_namespace_name(String &r_name, int &r_curly_stack);
+
+public:
+	Error parse(const String &p_code);
+	Error parse_file(const String &p_filepath);
+
+	String get_error();
+
+	Vector<ClassDecl> get_classes();
+};
+
+#endif // SCRIPT_CLASS_PARSER_H
-- 
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