godot/modules/gdscript/gdscript_tokenizer_buffer.h

94 lines
4.2 KiB
C++

/**************************************************************************/
/* gdscript_tokenizer_buffer.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef GDSCRIPT_TOKENIZER_BUFFER_H
#define GDSCRIPT_TOKENIZER_BUFFER_H
#include "gdscript_tokenizer.h"
class GDScriptTokenizerBuffer : public GDScriptTokenizer {
public:
enum CompressMode {
COMPRESS_NONE,
COMPRESS_ZSTD,
};
enum {
TOKEN_BYTE_MASK = 0x80,
TOKEN_BITS = 8,
TOKEN_MASK = (1 << (TOKEN_BITS - 1)) - 1,
};
Vector<StringName> identifiers;
Vector<Variant> constants;
Vector<int> continuation_lines;
HashMap<int, int> token_lines;
HashMap<int, int> token_columns;
Vector<Token> tokens;
int current = 0;
uint32_t current_line = 1;
bool multiline_mode = false;
List<int> indent_stack;
List<List<int>> indent_stack_stack; // For lambdas, which require manipulating the indentation point.
int pending_indents = 0;
bool last_token_was_newline = false;
#ifdef TOOLS_ENABLED
HashMap<int, CommentData> dummy;
#endif // TOOLS_ENABLED
static int _token_to_binary(const Token &p_token, Vector<uint8_t> &r_buffer, int p_start, HashMap<StringName, uint32_t> &r_identifiers_map, HashMap<Variant, uint32_t, VariantHasher, VariantComparator> &r_constants_map);
Token _binary_to_token(const uint8_t *p_buffer);
public:
Error set_code_buffer(const Vector<uint8_t> &p_buffer);
static Vector<uint8_t> parse_code_string(const String &p_code, CompressMode p_compress_mode);
virtual int get_cursor_line() const override;
virtual int get_cursor_column() const override;
virtual void set_cursor_position(int p_line, int p_column) override;
virtual void set_multiline_mode(bool p_state) override;
virtual bool is_past_cursor() const override;
virtual void push_expression_indented_block() override; // For lambdas, or blocks inside expressions.
virtual void pop_expression_indented_block() override; // For lambdas, or blocks inside expressions.
virtual bool is_text() override { return false; };
#ifdef TOOLS_ENABLED
virtual const HashMap<int, CommentData> &get_comments() const override {
return dummy;
}
#endif // TOOLS_ENABLED
virtual Token scan() override;
};
#endif // GDSCRIPT_TOKENIZER_BUFFER_H