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72e5f8c31e
Besides the regular option to export GDScript as binary tokens, this also includes a compression option on top of it. The binary format needs to encode some information which generally makes it bigger than the source text. This option reduces that difference by using Zstandard compression on the buffer.
94 lines
4.2 KiB
C++
94 lines
4.2 KiB
C++
/**************************************************************************/
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/* gdscript_tokenizer_buffer.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef GDSCRIPT_TOKENIZER_BUFFER_H
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#define GDSCRIPT_TOKENIZER_BUFFER_H
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#include "gdscript_tokenizer.h"
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class GDScriptTokenizerBuffer : public GDScriptTokenizer {
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public:
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enum CompressMode {
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COMPRESS_NONE,
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COMPRESS_ZSTD,
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};
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enum {
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TOKEN_BYTE_MASK = 0x80,
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TOKEN_BITS = 8,
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TOKEN_MASK = (1 << (TOKEN_BITS - 1)) - 1,
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};
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Vector<StringName> identifiers;
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Vector<Variant> constants;
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Vector<int> continuation_lines;
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HashMap<int, int> token_lines;
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HashMap<int, int> token_columns;
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Vector<Token> tokens;
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int current = 0;
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uint32_t current_line = 1;
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bool multiline_mode = false;
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List<int> indent_stack;
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List<List<int>> indent_stack_stack; // For lambdas, which require manipulating the indentation point.
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int pending_indents = 0;
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bool last_token_was_newline = false;
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#ifdef TOOLS_ENABLED
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HashMap<int, CommentData> dummy;
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#endif // TOOLS_ENABLED
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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);
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Token _binary_to_token(const uint8_t *p_buffer);
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public:
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Error set_code_buffer(const Vector<uint8_t> &p_buffer);
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static Vector<uint8_t> parse_code_string(const String &p_code, CompressMode p_compress_mode);
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virtual int get_cursor_line() const override;
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virtual int get_cursor_column() const override;
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virtual void set_cursor_position(int p_line, int p_column) override;
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virtual void set_multiline_mode(bool p_state) override;
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virtual bool is_past_cursor() const override;
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virtual void push_expression_indented_block() override; // For lambdas, or blocks inside expressions.
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virtual void pop_expression_indented_block() override; // For lambdas, or blocks inside expressions.
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virtual bool is_text() override { return false; };
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#ifdef TOOLS_ENABLED
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virtual const HashMap<int, CommentData> &get_comments() const override {
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return dummy;
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}
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#endif // TOOLS_ENABLED
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virtual Token scan() override;
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};
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#endif // GDSCRIPT_TOKENIZER_BUFFER_H
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