33b5c57199
- Renames PackedIntArray to PackedInt32Array. - Renames PackedFloatArray to PackedFloat32Array. - Adds PackedInt64Array and PackedFloat64Array. - Renames Variant::REAL to Variant::FLOAT for consistency. Packed arrays are for storing large amount of data and creating stuff like meshes, buffers. textures, etc. Forcing them to be 64 is a huge waste of memory. That said, many users requested the ability to have 64 bits packed arrays for their games, so this is just an optional added type. For Variant, the float datatype is always 64 bits, and exposed as `float`. We still have `real_t` which is the datatype that can change from 32 to 64 bits depending on a compile flag (not entirely working right now, but that's the idea). It affects math related datatypes and code only. Neither Variant nor PackedArray make use of real_t, which is only intended for math precision, so the term is removed from there to keep only float.
1532 lines
37 KiB
C++
1532 lines
37 KiB
C++
/*************************************************************************/
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/* gdscript_tokenizer.cpp */
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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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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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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#include "gdscript_tokenizer.h"
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#include "core/io/marshalls.h"
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#include "core/map.h"
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#include "core/print_string.h"
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#include "gdscript_functions.h"
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const char *GDScriptTokenizer::token_names[TK_MAX] = {
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"Empty",
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"Identifier",
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"Constant",
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"Self",
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"Built-In Type",
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"Built-In Func",
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"In",
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"'=='",
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"'!='",
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"'<'",
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"'<='",
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"'>'",
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"'>='",
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"'and'",
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"'or'",
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"'not'",
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"'+'",
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"'-'",
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"'*'",
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"'/'",
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"'%'",
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"'<<'",
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"'>>'",
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"'='",
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"'+='",
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"'-='",
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"'*='",
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"'/='",
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"'%='",
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"'<<='",
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"'>>='",
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"'&='",
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"'|='",
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"'^='",
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"'&'",
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"'|'",
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"'^'",
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"'~'",
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//"Plus Plus",
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//"Minus Minus",
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"if",
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"elif",
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"else",
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"for",
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"while",
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"break",
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"continue",
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"pass",
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"return",
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"match",
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"func",
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"class",
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"class_name",
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"extends",
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"is",
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"onready",
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"tool",
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"static",
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"export",
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"setget",
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"const",
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"var",
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"as",
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"void",
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"enum",
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"preload",
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"assert",
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"yield",
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"signal",
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"breakpoint",
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"remote",
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"master",
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"puppet",
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"remotesync",
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"mastersync",
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"puppetsync",
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"'['",
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"']'",
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"'{'",
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"'}'",
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"'('",
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"')'",
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"','",
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"';'",
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"'.'",
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"'?'",
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"':'",
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"'$'",
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"'->'",
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"'\\n'",
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"PI",
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"TAU",
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"_",
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"INF",
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"NAN",
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"Error",
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"EOF",
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"Cursor"
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};
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struct _bit {
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Variant::Type type;
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const char *text;
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};
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//built in types
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static const _bit _type_list[] = {
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//types
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{ Variant::BOOL, "bool" },
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{ Variant::INT, "int" },
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{ Variant::FLOAT, "float" },
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{ Variant::STRING, "String" },
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{ Variant::VECTOR2, "Vector2" },
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{ Variant::VECTOR2I, "Vector2i" },
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{ Variant::RECT2, "Rect2" },
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{ Variant::RECT2I, "Rect2i" },
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{ Variant::TRANSFORM2D, "Transform2D" },
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{ Variant::VECTOR3, "Vector3" },
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{ Variant::VECTOR3I, "Vector3i" },
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{ Variant::AABB, "AABB" },
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{ Variant::PLANE, "Plane" },
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{ Variant::QUAT, "Quat" },
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{ Variant::BASIS, "Basis" },
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{ Variant::TRANSFORM, "Transform" },
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{ Variant::COLOR, "Color" },
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{ Variant::_RID, "RID" },
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{ Variant::OBJECT, "Object" },
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{ Variant::STRING_NAME, "StringName" },
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{ Variant::NODE_PATH, "NodePath" },
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{ Variant::DICTIONARY, "Dictionary" },
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{ Variant::CALLABLE, "Callable" },
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{ Variant::SIGNAL, "Signal" },
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{ Variant::ARRAY, "Array" },
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{ Variant::PACKED_BYTE_ARRAY, "PackedByteArray" },
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{ Variant::PACKED_INT32_ARRAY, "PackedInt32Array" },
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{ Variant::PACKED_INT64_ARRAY, "PackedInt64Array" },
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{ Variant::PACKED_FLOAT32_ARRAY, "PackedFloat32Array" },
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{ Variant::PACKED_FLOAT64_ARRAY, "PackedFloat64Array" },
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{ Variant::PACKED_STRING_ARRAY, "PackedStringArray" },
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{ Variant::PACKED_VECTOR2_ARRAY, "PackedVector2Array" },
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{ Variant::PACKED_VECTOR3_ARRAY, "PackedVector3Array" },
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{ Variant::PACKED_COLOR_ARRAY, "PackedColorArray" },
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{ Variant::VARIANT_MAX, NULL },
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};
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struct _kws {
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GDScriptTokenizer::Token token;
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const char *text;
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};
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static const _kws _keyword_list[] = {
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//ops
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{ GDScriptTokenizer::TK_OP_IN, "in" },
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{ GDScriptTokenizer::TK_OP_NOT, "not" },
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{ GDScriptTokenizer::TK_OP_OR, "or" },
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{ GDScriptTokenizer::TK_OP_AND, "and" },
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//func
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{ GDScriptTokenizer::TK_PR_FUNCTION, "func" },
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{ GDScriptTokenizer::TK_PR_CLASS, "class" },
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{ GDScriptTokenizer::TK_PR_CLASS_NAME, "class_name" },
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{ GDScriptTokenizer::TK_PR_EXTENDS, "extends" },
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{ GDScriptTokenizer::TK_PR_IS, "is" },
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{ GDScriptTokenizer::TK_PR_ONREADY, "onready" },
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{ GDScriptTokenizer::TK_PR_TOOL, "tool" },
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{ GDScriptTokenizer::TK_PR_STATIC, "static" },
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{ GDScriptTokenizer::TK_PR_EXPORT, "export" },
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{ GDScriptTokenizer::TK_PR_SETGET, "setget" },
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{ GDScriptTokenizer::TK_PR_VAR, "var" },
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{ GDScriptTokenizer::TK_PR_AS, "as" },
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{ GDScriptTokenizer::TK_PR_VOID, "void" },
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{ GDScriptTokenizer::TK_PR_PRELOAD, "preload" },
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{ GDScriptTokenizer::TK_PR_ASSERT, "assert" },
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{ GDScriptTokenizer::TK_PR_YIELD, "yield" },
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{ GDScriptTokenizer::TK_PR_SIGNAL, "signal" },
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{ GDScriptTokenizer::TK_PR_BREAKPOINT, "breakpoint" },
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{ GDScriptTokenizer::TK_PR_REMOTE, "remote" },
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{ GDScriptTokenizer::TK_PR_MASTER, "master" },
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{ GDScriptTokenizer::TK_PR_PUPPET, "puppet" },
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{ GDScriptTokenizer::TK_PR_REMOTESYNC, "remotesync" },
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{ GDScriptTokenizer::TK_PR_MASTERSYNC, "mastersync" },
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{ GDScriptTokenizer::TK_PR_PUPPETSYNC, "puppetsync" },
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{ GDScriptTokenizer::TK_PR_CONST, "const" },
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{ GDScriptTokenizer::TK_PR_ENUM, "enum" },
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//controlflow
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{ GDScriptTokenizer::TK_CF_IF, "if" },
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{ GDScriptTokenizer::TK_CF_ELIF, "elif" },
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{ GDScriptTokenizer::TK_CF_ELSE, "else" },
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{ GDScriptTokenizer::TK_CF_FOR, "for" },
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{ GDScriptTokenizer::TK_CF_WHILE, "while" },
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{ GDScriptTokenizer::TK_CF_BREAK, "break" },
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{ GDScriptTokenizer::TK_CF_CONTINUE, "continue" },
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{ GDScriptTokenizer::TK_CF_RETURN, "return" },
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{ GDScriptTokenizer::TK_CF_MATCH, "match" },
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{ GDScriptTokenizer::TK_CF_PASS, "pass" },
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{ GDScriptTokenizer::TK_SELF, "self" },
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{ GDScriptTokenizer::TK_CONST_PI, "PI" },
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{ GDScriptTokenizer::TK_CONST_TAU, "TAU" },
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{ GDScriptTokenizer::TK_WILDCARD, "_" },
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{ GDScriptTokenizer::TK_CONST_INF, "INF" },
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{ GDScriptTokenizer::TK_CONST_NAN, "NAN" },
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{ GDScriptTokenizer::TK_ERROR, NULL }
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};
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const char *GDScriptTokenizer::get_token_name(Token p_token) {
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ERR_FAIL_INDEX_V(p_token, TK_MAX, "<error>");
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return token_names[p_token];
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}
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bool GDScriptTokenizer::is_token_literal(int p_offset, bool variable_safe) const {
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switch (get_token(p_offset)) {
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// Can always be literal:
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case TK_IDENTIFIER:
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case TK_PR_ONREADY:
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case TK_PR_TOOL:
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case TK_PR_STATIC:
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case TK_PR_EXPORT:
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case TK_PR_SETGET:
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case TK_PR_SIGNAL:
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case TK_PR_REMOTE:
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case TK_PR_MASTER:
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case TK_PR_PUPPET:
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case TK_PR_REMOTESYNC:
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case TK_PR_MASTERSYNC:
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case TK_PR_PUPPETSYNC:
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return true;
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// Literal for non-variables only:
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case TK_BUILT_IN_TYPE:
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case TK_BUILT_IN_FUNC:
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case TK_OP_IN:
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//case TK_OP_NOT:
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//case TK_OP_OR:
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//case TK_OP_AND:
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case TK_PR_CLASS:
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case TK_PR_CONST:
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case TK_PR_ENUM:
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case TK_PR_PRELOAD:
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case TK_PR_FUNCTION:
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case TK_PR_EXTENDS:
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case TK_PR_ASSERT:
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case TK_PR_YIELD:
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case TK_PR_VAR:
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case TK_CF_IF:
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case TK_CF_ELIF:
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case TK_CF_ELSE:
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case TK_CF_FOR:
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case TK_CF_WHILE:
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case TK_CF_BREAK:
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case TK_CF_CONTINUE:
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case TK_CF_RETURN:
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case TK_CF_MATCH:
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case TK_CF_PASS:
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case TK_SELF:
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case TK_CONST_PI:
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case TK_CONST_TAU:
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case TK_WILDCARD:
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case TK_CONST_INF:
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case TK_CONST_NAN:
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case TK_ERROR:
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return !variable_safe;
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case TK_CONSTANT: {
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switch (get_token_constant(p_offset).get_type()) {
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case Variant::NIL:
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case Variant::BOOL:
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return true;
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default:
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return false;
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}
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}
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default:
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return false;
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}
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}
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StringName GDScriptTokenizer::get_token_literal(int p_offset) const {
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Token token = get_token(p_offset);
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switch (token) {
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case TK_IDENTIFIER:
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return get_token_identifier(p_offset);
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case TK_BUILT_IN_TYPE: {
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Variant::Type type = get_token_type(p_offset);
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int idx = 0;
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while (_type_list[idx].text) {
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if (type == _type_list[idx].type) {
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return _type_list[idx].text;
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}
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idx++;
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}
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} break; // Shouldn't get here, stuff happens
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case TK_BUILT_IN_FUNC:
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return GDScriptFunctions::get_func_name(get_token_built_in_func(p_offset));
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case TK_CONSTANT: {
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const Variant value = get_token_constant(p_offset);
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switch (value.get_type()) {
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case Variant::NIL:
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return "null";
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case Variant::BOOL:
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return value ? "true" : "false";
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default: {
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}
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}
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} break;
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case TK_OP_AND:
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case TK_OP_OR:
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break; // Don't get into default, since they can be non-literal
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default: {
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int idx = 0;
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while (_keyword_list[idx].text) {
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if (token == _keyword_list[idx].token) {
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return _keyword_list[idx].text;
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}
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idx++;
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}
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}
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}
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ERR_FAIL_V_MSG("", "Failed to get token literal.");
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}
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static bool _is_text_char(CharType c) {
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return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_';
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}
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static bool _is_number(CharType c) {
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return (c >= '0' && c <= '9');
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}
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static bool _is_hex(CharType c) {
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return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
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}
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static bool _is_bin(CharType c) {
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return (c == '0' || c == '1');
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}
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void GDScriptTokenizerText::_make_token(Token p_type) {
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TokenData &tk = tk_rb[tk_rb_pos];
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tk.type = p_type;
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tk.line = line;
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tk.col = column;
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tk_rb_pos = (tk_rb_pos + 1) % TK_RB_SIZE;
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}
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void GDScriptTokenizerText::_make_identifier(const StringName &p_identifier) {
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TokenData &tk = tk_rb[tk_rb_pos];
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tk.type = TK_IDENTIFIER;
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tk.identifier = p_identifier;
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tk.line = line;
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tk.col = column;
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tk_rb_pos = (tk_rb_pos + 1) % TK_RB_SIZE;
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}
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void GDScriptTokenizerText::_make_built_in_func(GDScriptFunctions::Function p_func) {
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TokenData &tk = tk_rb[tk_rb_pos];
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tk.type = TK_BUILT_IN_FUNC;
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tk.func = p_func;
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tk.line = line;
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tk.col = column;
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tk_rb_pos = (tk_rb_pos + 1) % TK_RB_SIZE;
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}
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void GDScriptTokenizerText::_make_constant(const Variant &p_constant) {
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TokenData &tk = tk_rb[tk_rb_pos];
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tk.type = TK_CONSTANT;
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tk.constant = p_constant;
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tk.line = line;
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tk.col = column;
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tk_rb_pos = (tk_rb_pos + 1) % TK_RB_SIZE;
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}
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void GDScriptTokenizerText::_make_type(const Variant::Type &p_type) {
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TokenData &tk = tk_rb[tk_rb_pos];
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tk.type = TK_BUILT_IN_TYPE;
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tk.vtype = p_type;
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tk.line = line;
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tk.col = column;
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tk_rb_pos = (tk_rb_pos + 1) % TK_RB_SIZE;
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}
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void GDScriptTokenizerText::_make_error(const String &p_error) {
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error_flag = true;
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last_error = p_error;
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TokenData &tk = tk_rb[tk_rb_pos];
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tk.type = TK_ERROR;
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tk.constant = p_error;
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tk.line = line;
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tk.col = column;
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tk_rb_pos = (tk_rb_pos + 1) % TK_RB_SIZE;
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}
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void GDScriptTokenizerText::_make_newline(int p_indentation, int p_tabs) {
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TokenData &tk = tk_rb[tk_rb_pos];
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tk.type = TK_NEWLINE;
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tk.constant = Vector2(p_indentation, p_tabs);
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tk.line = line;
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tk.col = column;
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tk_rb_pos = (tk_rb_pos + 1) % TK_RB_SIZE;
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}
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void GDScriptTokenizerText::_advance() {
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if (error_flag) {
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//parser broke
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_make_error(last_error);
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return;
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}
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if (code_pos >= len) {
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_make_token(TK_EOF);
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return;
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}
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#define GETCHAR(m_ofs) ((m_ofs + code_pos) >= len ? 0 : _code[m_ofs + code_pos])
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#define INCPOS(m_amount) \
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{ \
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code_pos += m_amount; \
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column += m_amount; \
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}
|
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while (true) {
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|
|
bool is_string_name = false;
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StringMode string_mode = STRING_DOUBLE_QUOTE;
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|
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switch (GETCHAR(0)) {
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case 0:
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_make_token(TK_EOF);
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break;
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case '\\':
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INCPOS(1);
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if (GETCHAR(0) == '\r') {
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INCPOS(1);
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}
|
|
|
|
if (GETCHAR(0) != '\n') {
|
|
_make_error("Expected newline after '\\'.");
|
|
return;
|
|
}
|
|
|
|
INCPOS(1);
|
|
line++;
|
|
|
|
while (GETCHAR(0) == ' ' || GETCHAR(0) == '\t') {
|
|
INCPOS(1);
|
|
}
|
|
|
|
continue;
|
|
case '\t':
|
|
case '\r':
|
|
case ' ':
|
|
INCPOS(1);
|
|
continue;
|
|
case '#': { // line comment skip
|
|
#ifdef DEBUG_ENABLED
|
|
String comment;
|
|
#endif // DEBUG_ENABLED
|
|
while (GETCHAR(0) != '\n') {
|
|
#ifdef DEBUG_ENABLED
|
|
comment += GETCHAR(0);
|
|
#endif // DEBUG_ENABLED
|
|
code_pos++;
|
|
if (GETCHAR(0) == 0) { //end of file
|
|
//_make_error("Unterminated Comment");
|
|
_make_token(TK_EOF);
|
|
return;
|
|
}
|
|
}
|
|
#ifdef DEBUG_ENABLED
|
|
String comment_content = comment.trim_prefix("#").trim_prefix(" ");
|
|
if (comment_content.begins_with("warning-ignore:")) {
|
|
String code = comment_content.get_slice(":", 1);
|
|
warning_skips.push_back(Pair<int, String>(line, code.strip_edges().to_lower()));
|
|
} else if (comment_content.begins_with("warning-ignore-all:")) {
|
|
String code = comment_content.get_slice(":", 1);
|
|
warning_global_skips.insert(code.strip_edges().to_lower());
|
|
} else if (comment_content.strip_edges() == "warnings-disable") {
|
|
ignore_warnings = true;
|
|
}
|
|
#endif // DEBUG_ENABLED
|
|
[[fallthrough]];
|
|
}
|
|
case '\n': {
|
|
line++;
|
|
INCPOS(1);
|
|
bool used_spaces = false;
|
|
int tabs = 0;
|
|
column = 1;
|
|
int i = 0;
|
|
while (true) {
|
|
if (GETCHAR(i) == ' ') {
|
|
i++;
|
|
used_spaces = true;
|
|
} else if (GETCHAR(i) == '\t') {
|
|
if (used_spaces) {
|
|
_make_error("Spaces used before tabs on a line");
|
|
return;
|
|
}
|
|
i++;
|
|
tabs++;
|
|
} else {
|
|
break; // not indentation anymore
|
|
}
|
|
}
|
|
|
|
_make_newline(i, tabs);
|
|
return;
|
|
}
|
|
case '/': {
|
|
|
|
switch (GETCHAR(1)) {
|
|
case '=': { // diveq
|
|
|
|
_make_token(TK_OP_ASSIGN_DIV);
|
|
INCPOS(1);
|
|
|
|
} break;
|
|
default:
|
|
_make_token(TK_OP_DIV);
|
|
}
|
|
} break;
|
|
case '=': {
|
|
if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_EQUAL);
|
|
INCPOS(1);
|
|
|
|
} else
|
|
_make_token(TK_OP_ASSIGN);
|
|
|
|
} break;
|
|
case '<': {
|
|
if (GETCHAR(1) == '=') {
|
|
|
|
_make_token(TK_OP_LESS_EQUAL);
|
|
INCPOS(1);
|
|
} else if (GETCHAR(1) == '<') {
|
|
if (GETCHAR(2) == '=') {
|
|
_make_token(TK_OP_ASSIGN_SHIFT_LEFT);
|
|
INCPOS(1);
|
|
} else {
|
|
_make_token(TK_OP_SHIFT_LEFT);
|
|
}
|
|
INCPOS(1);
|
|
} else
|
|
_make_token(TK_OP_LESS);
|
|
|
|
} break;
|
|
case '>': {
|
|
if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_GREATER_EQUAL);
|
|
INCPOS(1);
|
|
} else if (GETCHAR(1) == '>') {
|
|
if (GETCHAR(2) == '=') {
|
|
_make_token(TK_OP_ASSIGN_SHIFT_RIGHT);
|
|
INCPOS(1);
|
|
|
|
} else {
|
|
_make_token(TK_OP_SHIFT_RIGHT);
|
|
}
|
|
INCPOS(1);
|
|
} else {
|
|
_make_token(TK_OP_GREATER);
|
|
}
|
|
|
|
} break;
|
|
case '!': {
|
|
if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_NOT_EQUAL);
|
|
INCPOS(1);
|
|
} else {
|
|
_make_token(TK_OP_NOT);
|
|
}
|
|
|
|
} break;
|
|
//case '"' //string - no strings in shader
|
|
//case '\'' //string - no strings in shader
|
|
case '{':
|
|
_make_token(TK_CURLY_BRACKET_OPEN);
|
|
break;
|
|
case '}':
|
|
_make_token(TK_CURLY_BRACKET_CLOSE);
|
|
break;
|
|
case '[':
|
|
_make_token(TK_BRACKET_OPEN);
|
|
break;
|
|
case ']':
|
|
_make_token(TK_BRACKET_CLOSE);
|
|
break;
|
|
case '(':
|
|
_make_token(TK_PARENTHESIS_OPEN);
|
|
break;
|
|
case ')':
|
|
_make_token(TK_PARENTHESIS_CLOSE);
|
|
break;
|
|
case ',':
|
|
_make_token(TK_COMMA);
|
|
break;
|
|
case ';':
|
|
_make_token(TK_SEMICOLON);
|
|
break;
|
|
case '?':
|
|
_make_token(TK_QUESTION_MARK);
|
|
break;
|
|
case ':':
|
|
_make_token(TK_COLON); //for methods maybe but now useless.
|
|
break;
|
|
case '$':
|
|
_make_token(TK_DOLLAR); //for the get_node() shortener
|
|
break;
|
|
case '^': {
|
|
if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_ASSIGN_BIT_XOR);
|
|
INCPOS(1);
|
|
} else {
|
|
_make_token(TK_OP_BIT_XOR);
|
|
}
|
|
|
|
} break;
|
|
case '~':
|
|
_make_token(TK_OP_BIT_INVERT);
|
|
break;
|
|
case '&': {
|
|
if (GETCHAR(1) == '&') {
|
|
|
|
_make_token(TK_OP_AND);
|
|
INCPOS(1);
|
|
} else if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_ASSIGN_BIT_AND);
|
|
INCPOS(1);
|
|
} else {
|
|
_make_token(TK_OP_BIT_AND);
|
|
}
|
|
} break;
|
|
case '|': {
|
|
if (GETCHAR(1) == '|') {
|
|
|
|
_make_token(TK_OP_OR);
|
|
INCPOS(1);
|
|
} else if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_ASSIGN_BIT_OR);
|
|
INCPOS(1);
|
|
} else {
|
|
_make_token(TK_OP_BIT_OR);
|
|
}
|
|
} break;
|
|
case '*': {
|
|
|
|
if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_ASSIGN_MUL);
|
|
INCPOS(1);
|
|
} else {
|
|
_make_token(TK_OP_MUL);
|
|
}
|
|
} break;
|
|
case '+': {
|
|
|
|
if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_ASSIGN_ADD);
|
|
INCPOS(1);
|
|
/*
|
|
} else if (GETCHAR(1)=='+') {
|
|
_make_token(TK_OP_PLUS_PLUS);
|
|
INCPOS(1);
|
|
*/
|
|
} else {
|
|
_make_token(TK_OP_ADD);
|
|
}
|
|
|
|
} break;
|
|
case '-': {
|
|
|
|
if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_ASSIGN_SUB);
|
|
INCPOS(1);
|
|
} else if (GETCHAR(1) == '>') {
|
|
_make_token(TK_FORWARD_ARROW);
|
|
INCPOS(1);
|
|
} else {
|
|
_make_token(TK_OP_SUB);
|
|
}
|
|
} break;
|
|
case '%': {
|
|
|
|
if (GETCHAR(1) == '=') {
|
|
_make_token(TK_OP_ASSIGN_MOD);
|
|
INCPOS(1);
|
|
} else {
|
|
_make_token(TK_OP_MOD);
|
|
}
|
|
} break;
|
|
case '@':
|
|
if (CharType(GETCHAR(1)) != '"' && CharType(GETCHAR(1)) != '\'') {
|
|
_make_error("Unexpected '@'");
|
|
return;
|
|
}
|
|
INCPOS(1);
|
|
is_string_name = true;
|
|
[[fallthrough]];
|
|
case '\'':
|
|
case '"': {
|
|
|
|
if (GETCHAR(0) == '\'')
|
|
string_mode = STRING_SINGLE_QUOTE;
|
|
|
|
int i = 1;
|
|
if (string_mode == STRING_DOUBLE_QUOTE && GETCHAR(i) == '"' && GETCHAR(i + 1) == '"') {
|
|
i += 2;
|
|
string_mode = STRING_MULTILINE;
|
|
}
|
|
|
|
String str;
|
|
while (true) {
|
|
if (CharType(GETCHAR(i)) == 0) {
|
|
|
|
_make_error("Unterminated String");
|
|
return;
|
|
} else if (string_mode == STRING_DOUBLE_QUOTE && CharType(GETCHAR(i)) == '"') {
|
|
break;
|
|
} else if (string_mode == STRING_SINGLE_QUOTE && CharType(GETCHAR(i)) == '\'') {
|
|
break;
|
|
} else if (string_mode == STRING_MULTILINE && CharType(GETCHAR(i)) == '\"' && CharType(GETCHAR(i + 1)) == '\"' && CharType(GETCHAR(i + 2)) == '\"') {
|
|
i += 2;
|
|
break;
|
|
} else if (string_mode != STRING_MULTILINE && CharType(GETCHAR(i)) == '\n') {
|
|
_make_error("Unexpected EOL at String.");
|
|
return;
|
|
} else if (CharType(GETCHAR(i)) == 0xFFFF) {
|
|
//string ends here, next will be TK
|
|
i--;
|
|
break;
|
|
} else if (CharType(GETCHAR(i)) == '\\') {
|
|
//escaped characters...
|
|
i++;
|
|
CharType next = GETCHAR(i);
|
|
if (next == 0) {
|
|
_make_error("Unterminated String");
|
|
return;
|
|
}
|
|
CharType res = 0;
|
|
|
|
switch (next) {
|
|
|
|
case 'a': res = 7; break;
|
|
case 'b': res = 8; break;
|
|
case 't': res = 9; break;
|
|
case 'n': res = 10; break;
|
|
case 'v': res = 11; break;
|
|
case 'f': res = 12; break;
|
|
case 'r': res = 13; break;
|
|
case '\'': res = '\''; break;
|
|
case '\"': res = '\"'; break;
|
|
case '\\': res = '\\'; break;
|
|
case '/':
|
|
res = '/';
|
|
break; //wtf
|
|
|
|
case 'u': {
|
|
// hex number
|
|
i += 1;
|
|
for (int j = 0; j < 4; j++) {
|
|
CharType c = GETCHAR(i + j);
|
|
if (c == 0) {
|
|
_make_error("Unterminated String");
|
|
return;
|
|
}
|
|
|
|
CharType v = 0;
|
|
if (c >= '0' && c <= '9') {
|
|
v = c - '0';
|
|
} else if (c >= 'a' && c <= 'f') {
|
|
v = c - 'a';
|
|
v += 10;
|
|
} else if (c >= 'A' && c <= 'F') {
|
|
v = c - 'A';
|
|
v += 10;
|
|
} else {
|
|
_make_error("Malformed hex constant in string");
|
|
return;
|
|
}
|
|
|
|
res <<= 4;
|
|
res |= v;
|
|
}
|
|
i += 3;
|
|
|
|
} break;
|
|
default: {
|
|
|
|
_make_error("Invalid escape sequence");
|
|
return;
|
|
} break;
|
|
}
|
|
|
|
str += res;
|
|
|
|
} else {
|
|
if (CharType(GETCHAR(i)) == '\n') {
|
|
line++;
|
|
column = 1;
|
|
}
|
|
|
|
str += CharType(GETCHAR(i));
|
|
}
|
|
i++;
|
|
}
|
|
INCPOS(i);
|
|
|
|
if (is_string_name) {
|
|
_make_constant(StringName(str));
|
|
} else {
|
|
_make_constant(str);
|
|
}
|
|
|
|
} break;
|
|
case 0xFFFF: {
|
|
_make_token(TK_CURSOR);
|
|
} break;
|
|
default: {
|
|
|
|
if (_is_number(GETCHAR(0)) || (GETCHAR(0) == '.' && _is_number(GETCHAR(1)))) {
|
|
// parse number
|
|
bool period_found = false;
|
|
bool exponent_found = false;
|
|
bool hexa_found = false;
|
|
bool bin_found = false;
|
|
bool sign_found = false;
|
|
|
|
String str;
|
|
int i = 0;
|
|
|
|
while (true) {
|
|
if (GETCHAR(i) == '.') {
|
|
if (period_found || exponent_found) {
|
|
_make_error("Invalid numeric constant at '.'");
|
|
return;
|
|
} else if (bin_found) {
|
|
_make_error("Invalid binary constant at '.'");
|
|
return;
|
|
} else if (hexa_found) {
|
|
_make_error("Invalid hexadecimal constant at '.'");
|
|
return;
|
|
}
|
|
period_found = true;
|
|
} else if (GETCHAR(i) == 'x') {
|
|
if (hexa_found || bin_found || str.length() != 1 || !((i == 1 && str[0] == '0') || (i == 2 && str[1] == '0' && str[0] == '-'))) {
|
|
_make_error("Invalid numeric constant at 'x'");
|
|
return;
|
|
}
|
|
hexa_found = true;
|
|
} else if (hexa_found && _is_hex(GETCHAR(i))) {
|
|
|
|
} else if (!hexa_found && GETCHAR(i) == 'b') {
|
|
if (bin_found || str.length() != 1 || !((i == 1 && str[0] == '0') || (i == 2 && str[1] == '0' && str[0] == '-'))) {
|
|
_make_error("Invalid numeric constant at 'b'");
|
|
return;
|
|
}
|
|
bin_found = true;
|
|
} else if (!hexa_found && GETCHAR(i) == 'e') {
|
|
if (exponent_found || bin_found) {
|
|
_make_error("Invalid numeric constant at 'e'");
|
|
return;
|
|
}
|
|
exponent_found = true;
|
|
} else if (_is_number(GETCHAR(i))) {
|
|
//all ok
|
|
|
|
} else if (bin_found && _is_bin(GETCHAR(i))) {
|
|
|
|
} else if ((GETCHAR(i) == '-' || GETCHAR(i) == '+') && exponent_found) {
|
|
if (sign_found) {
|
|
_make_error("Invalid numeric constant at '-'");
|
|
return;
|
|
}
|
|
sign_found = true;
|
|
} else if (GETCHAR(i) == '_') {
|
|
i++;
|
|
continue; // Included for readability, shouldn't be a part of the string
|
|
} else
|
|
break;
|
|
|
|
str += CharType(GETCHAR(i));
|
|
i++;
|
|
}
|
|
|
|
if (!(_is_number(str[str.length() - 1]) || (hexa_found && _is_hex(str[str.length() - 1])))) {
|
|
_make_error("Invalid numeric constant: " + str);
|
|
return;
|
|
}
|
|
|
|
INCPOS(i);
|
|
if (hexa_found) {
|
|
int64_t val = str.hex_to_int64();
|
|
_make_constant(val);
|
|
} else if (bin_found) {
|
|
int64_t val = str.bin_to_int64();
|
|
_make_constant(val);
|
|
} else if (period_found || exponent_found) {
|
|
double val = str.to_double();
|
|
_make_constant(val);
|
|
} else {
|
|
int64_t val = str.to_int64();
|
|
_make_constant(val);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (GETCHAR(0) == '.') {
|
|
//parse period
|
|
_make_token(TK_PERIOD);
|
|
break;
|
|
}
|
|
|
|
if (_is_text_char(GETCHAR(0))) {
|
|
// parse identifier
|
|
String str;
|
|
str += CharType(GETCHAR(0));
|
|
|
|
int i = 1;
|
|
while (_is_text_char(GETCHAR(i))) {
|
|
str += CharType(GETCHAR(i));
|
|
i++;
|
|
}
|
|
|
|
bool identifier = false;
|
|
|
|
if (str == "null") {
|
|
_make_constant(Variant());
|
|
|
|
} else if (str == "true") {
|
|
_make_constant(true);
|
|
|
|
} else if (str == "false") {
|
|
_make_constant(false);
|
|
} else {
|
|
|
|
bool found = false;
|
|
|
|
{
|
|
|
|
int idx = 0;
|
|
|
|
while (_type_list[idx].text) {
|
|
|
|
if (str == _type_list[idx].text) {
|
|
_make_type(_type_list[idx].type);
|
|
found = true;
|
|
break;
|
|
}
|
|
idx++;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
|
|
//built in func?
|
|
|
|
for (int j = 0; j < GDScriptFunctions::FUNC_MAX; j++) {
|
|
|
|
if (str == GDScriptFunctions::get_func_name(GDScriptFunctions::Function(j))) {
|
|
|
|
_make_built_in_func(GDScriptFunctions::Function(j));
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
//keyword
|
|
|
|
int idx = 0;
|
|
found = false;
|
|
|
|
while (_keyword_list[idx].text) {
|
|
|
|
if (str == _keyword_list[idx].text) {
|
|
_make_token(_keyword_list[idx].token);
|
|
found = true;
|
|
break;
|
|
}
|
|
idx++;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
identifier = true;
|
|
}
|
|
|
|
if (identifier) {
|
|
_make_identifier(str);
|
|
}
|
|
INCPOS(str.length());
|
|
return;
|
|
}
|
|
|
|
_make_error("Unknown character");
|
|
return;
|
|
|
|
} break;
|
|
}
|
|
|
|
INCPOS(1);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void GDScriptTokenizerText::set_code(const String &p_code) {
|
|
|
|
code = p_code;
|
|
len = p_code.length();
|
|
if (len) {
|
|
_code = &code[0];
|
|
} else {
|
|
_code = NULL;
|
|
}
|
|
code_pos = 0;
|
|
line = 1; //it is stand-ar-ized that lines begin in 1 in code..
|
|
column = 1; //the same holds for columns
|
|
tk_rb_pos = 0;
|
|
error_flag = false;
|
|
#ifdef DEBUG_ENABLED
|
|
ignore_warnings = false;
|
|
#endif // DEBUG_ENABLED
|
|
last_error = "";
|
|
for (int i = 0; i < MAX_LOOKAHEAD + 1; i++)
|
|
_advance();
|
|
}
|
|
|
|
GDScriptTokenizerText::Token GDScriptTokenizerText::get_token(int p_offset) const {
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, TK_ERROR);
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, TK_ERROR);
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
return tk_rb[ofs].type;
|
|
}
|
|
|
|
int GDScriptTokenizerText::get_token_line(int p_offset) const {
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, -1);
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, -1);
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
return tk_rb[ofs].line;
|
|
}
|
|
|
|
int GDScriptTokenizerText::get_token_column(int p_offset) const {
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, -1);
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, -1);
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
return tk_rb[ofs].col;
|
|
}
|
|
|
|
const Variant &GDScriptTokenizerText::get_token_constant(int p_offset) const {
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, tk_rb[0].constant);
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, tk_rb[0].constant);
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
ERR_FAIL_COND_V(tk_rb[ofs].type != TK_CONSTANT, tk_rb[0].constant);
|
|
return tk_rb[ofs].constant;
|
|
}
|
|
|
|
StringName GDScriptTokenizerText::get_token_identifier(int p_offset) const {
|
|
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, StringName());
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, StringName());
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
ERR_FAIL_COND_V(tk_rb[ofs].type != TK_IDENTIFIER, StringName());
|
|
return tk_rb[ofs].identifier;
|
|
}
|
|
|
|
GDScriptFunctions::Function GDScriptTokenizerText::get_token_built_in_func(int p_offset) const {
|
|
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, GDScriptFunctions::FUNC_MAX);
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, GDScriptFunctions::FUNC_MAX);
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
ERR_FAIL_COND_V(tk_rb[ofs].type != TK_BUILT_IN_FUNC, GDScriptFunctions::FUNC_MAX);
|
|
return tk_rb[ofs].func;
|
|
}
|
|
|
|
Variant::Type GDScriptTokenizerText::get_token_type(int p_offset) const {
|
|
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, Variant::NIL);
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, Variant::NIL);
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
ERR_FAIL_COND_V(tk_rb[ofs].type != TK_BUILT_IN_TYPE, Variant::NIL);
|
|
return tk_rb[ofs].vtype;
|
|
}
|
|
|
|
int GDScriptTokenizerText::get_token_line_indent(int p_offset) const {
|
|
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, 0);
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, 0);
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
ERR_FAIL_COND_V(tk_rb[ofs].type != TK_NEWLINE, 0);
|
|
return tk_rb[ofs].constant.operator Vector2().x;
|
|
}
|
|
|
|
int GDScriptTokenizerText::get_token_line_tab_indent(int p_offset) const {
|
|
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, 0);
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, 0);
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
ERR_FAIL_COND_V(tk_rb[ofs].type != TK_NEWLINE, 0);
|
|
return tk_rb[ofs].constant.operator Vector2().y;
|
|
}
|
|
|
|
String GDScriptTokenizerText::get_token_error(int p_offset) const {
|
|
|
|
ERR_FAIL_COND_V(p_offset <= -MAX_LOOKAHEAD, String());
|
|
ERR_FAIL_COND_V(p_offset >= MAX_LOOKAHEAD, String());
|
|
|
|
int ofs = (TK_RB_SIZE + tk_rb_pos + p_offset - MAX_LOOKAHEAD - 1) % TK_RB_SIZE;
|
|
ERR_FAIL_COND_V(tk_rb[ofs].type != TK_ERROR, String());
|
|
return tk_rb[ofs].constant;
|
|
}
|
|
|
|
void GDScriptTokenizerText::advance(int p_amount) {
|
|
|
|
ERR_FAIL_COND(p_amount <= 0);
|
|
for (int i = 0; i < p_amount; i++)
|
|
_advance();
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#define BYTECODE_VERSION 13
|
|
|
|
Error GDScriptTokenizerBuffer::set_code_buffer(const Vector<uint8_t> &p_buffer) {
|
|
|
|
const uint8_t *buf = p_buffer.ptr();
|
|
int total_len = p_buffer.size();
|
|
ERR_FAIL_COND_V(p_buffer.size() < 24 || p_buffer[0] != 'G' || p_buffer[1] != 'D' || p_buffer[2] != 'S' || p_buffer[3] != 'C', ERR_INVALID_DATA);
|
|
|
|
int version = decode_uint32(&buf[4]);
|
|
ERR_FAIL_COND_V_MSG(version > BYTECODE_VERSION, ERR_INVALID_DATA, "Bytecode is too recent! Please use a newer engine version.");
|
|
|
|
int identifier_count = decode_uint32(&buf[8]);
|
|
int constant_count = decode_uint32(&buf[12]);
|
|
int line_count = decode_uint32(&buf[16]);
|
|
int token_count = decode_uint32(&buf[20]);
|
|
|
|
const uint8_t *b = &buf[24];
|
|
total_len -= 24;
|
|
|
|
identifiers.resize(identifier_count);
|
|
for (int i = 0; i < identifier_count; i++) {
|
|
|
|
int len = decode_uint32(b);
|
|
ERR_FAIL_COND_V(len > total_len, ERR_INVALID_DATA);
|
|
b += 4;
|
|
Vector<uint8_t> cs;
|
|
cs.resize(len);
|
|
for (int j = 0; j < len; j++) {
|
|
cs.write[j] = b[j] ^ 0xb6;
|
|
}
|
|
|
|
cs.write[cs.size() - 1] = 0;
|
|
String s;
|
|
s.parse_utf8((const char *)cs.ptr());
|
|
b += len;
|
|
total_len -= len + 4;
|
|
identifiers.write[i] = s;
|
|
}
|
|
|
|
constants.resize(constant_count);
|
|
for (int i = 0; i < constant_count; i++) {
|
|
|
|
Variant v;
|
|
int len;
|
|
// An object cannot be constant, never decode objects
|
|
Error err = decode_variant(v, b, total_len, &len, false);
|
|
if (err)
|
|
return err;
|
|
b += len;
|
|
total_len -= len;
|
|
constants.write[i] = v;
|
|
}
|
|
|
|
ERR_FAIL_COND_V(line_count * 8 > total_len, ERR_INVALID_DATA);
|
|
|
|
for (int i = 0; i < line_count; i++) {
|
|
|
|
uint32_t token = decode_uint32(b);
|
|
b += 4;
|
|
uint32_t linecol = decode_uint32(b);
|
|
b += 4;
|
|
|
|
lines.insert(token, linecol);
|
|
total_len -= 8;
|
|
}
|
|
|
|
tokens.resize(token_count);
|
|
|
|
for (int i = 0; i < token_count; i++) {
|
|
|
|
ERR_FAIL_COND_V(total_len < 1, ERR_INVALID_DATA);
|
|
|
|
if ((*b) & TOKEN_BYTE_MASK) { //little endian always
|
|
ERR_FAIL_COND_V(total_len < 4, ERR_INVALID_DATA);
|
|
|
|
tokens.write[i] = decode_uint32(b) & ~TOKEN_BYTE_MASK;
|
|
b += 4;
|
|
} else {
|
|
tokens.write[i] = *b;
|
|
b += 1;
|
|
total_len--;
|
|
}
|
|
}
|
|
|
|
token = 0;
|
|
|
|
return OK;
|
|
}
|
|
|
|
Vector<uint8_t> GDScriptTokenizerBuffer::parse_code_string(const String &p_code) {
|
|
|
|
Vector<uint8_t> buf;
|
|
|
|
Map<StringName, int> identifier_map;
|
|
HashMap<Variant, int, VariantHasher, VariantComparator> constant_map;
|
|
Map<uint32_t, int> line_map;
|
|
Vector<uint32_t> token_array;
|
|
|
|
GDScriptTokenizerText tt;
|
|
tt.set_code(p_code);
|
|
int line = -1;
|
|
|
|
while (true) {
|
|
|
|
if (tt.get_token_line() != line) {
|
|
|
|
line = tt.get_token_line();
|
|
line_map[line] = token_array.size();
|
|
}
|
|
|
|
uint32_t token = tt.get_token();
|
|
switch (tt.get_token()) {
|
|
|
|
case TK_IDENTIFIER: {
|
|
StringName id = tt.get_token_identifier();
|
|
if (!identifier_map.has(id)) {
|
|
int idx = identifier_map.size();
|
|
identifier_map[id] = idx;
|
|
}
|
|
token |= identifier_map[id] << TOKEN_BITS;
|
|
} break;
|
|
case TK_CONSTANT: {
|
|
|
|
const Variant &c = tt.get_token_constant();
|
|
if (!constant_map.has(c)) {
|
|
int idx = constant_map.size();
|
|
constant_map[c] = idx;
|
|
}
|
|
token |= constant_map[c] << TOKEN_BITS;
|
|
} break;
|
|
case TK_BUILT_IN_TYPE: {
|
|
|
|
token |= tt.get_token_type() << TOKEN_BITS;
|
|
} break;
|
|
case TK_BUILT_IN_FUNC: {
|
|
|
|
token |= tt.get_token_built_in_func() << TOKEN_BITS;
|
|
|
|
} break;
|
|
case TK_NEWLINE: {
|
|
|
|
token |= tt.get_token_line_indent() << TOKEN_BITS;
|
|
} break;
|
|
case TK_ERROR: {
|
|
|
|
ERR_FAIL_V(Vector<uint8_t>());
|
|
} break;
|
|
default: {
|
|
}
|
|
};
|
|
|
|
token_array.push_back(token);
|
|
|
|
if (tt.get_token() == TK_EOF)
|
|
break;
|
|
tt.advance();
|
|
}
|
|
|
|
//reverse maps
|
|
|
|
Map<int, StringName> rev_identifier_map;
|
|
for (Map<StringName, int>::Element *E = identifier_map.front(); E; E = E->next()) {
|
|
rev_identifier_map[E->get()] = E->key();
|
|
}
|
|
|
|
Map<int, Variant> rev_constant_map;
|
|
const Variant *K = NULL;
|
|
while ((K = constant_map.next(K))) {
|
|
rev_constant_map[constant_map[*K]] = *K;
|
|
}
|
|
|
|
Map<int, uint32_t> rev_line_map;
|
|
for (Map<uint32_t, int>::Element *E = line_map.front(); E; E = E->next()) {
|
|
rev_line_map[E->get()] = E->key();
|
|
}
|
|
|
|
//save header
|
|
buf.resize(24);
|
|
buf.write[0] = 'G';
|
|
buf.write[1] = 'D';
|
|
buf.write[2] = 'S';
|
|
buf.write[3] = 'C';
|
|
encode_uint32(BYTECODE_VERSION, &buf.write[4]);
|
|
encode_uint32(identifier_map.size(), &buf.write[8]);
|
|
encode_uint32(constant_map.size(), &buf.write[12]);
|
|
encode_uint32(line_map.size(), &buf.write[16]);
|
|
encode_uint32(token_array.size(), &buf.write[20]);
|
|
|
|
//save identifiers
|
|
|
|
for (Map<int, StringName>::Element *E = rev_identifier_map.front(); E; E = E->next()) {
|
|
|
|
CharString cs = String(E->get()).utf8();
|
|
int len = cs.length() + 1;
|
|
int extra = 4 - (len % 4);
|
|
if (extra == 4)
|
|
extra = 0;
|
|
|
|
uint8_t ibuf[4];
|
|
encode_uint32(len + extra, ibuf);
|
|
for (int i = 0; i < 4; i++) {
|
|
buf.push_back(ibuf[i]);
|
|
}
|
|
for (int i = 0; i < len; i++) {
|
|
buf.push_back(cs[i] ^ 0xb6);
|
|
}
|
|
for (int i = 0; i < extra; i++) {
|
|
buf.push_back(0 ^ 0xb6);
|
|
}
|
|
}
|
|
|
|
for (Map<int, Variant>::Element *E = rev_constant_map.front(); E; E = E->next()) {
|
|
|
|
int len;
|
|
// Objects cannot be constant, never encode objects
|
|
Error err = encode_variant(E->get(), NULL, len, false);
|
|
ERR_FAIL_COND_V_MSG(err != OK, Vector<uint8_t>(), "Error when trying to encode Variant.");
|
|
int pos = buf.size();
|
|
buf.resize(pos + len);
|
|
encode_variant(E->get(), &buf.write[pos], len, false);
|
|
}
|
|
|
|
for (Map<int, uint32_t>::Element *E = rev_line_map.front(); E; E = E->next()) {
|
|
|
|
uint8_t ibuf[8];
|
|
encode_uint32(E->key(), &ibuf[0]);
|
|
encode_uint32(E->get(), &ibuf[4]);
|
|
for (int i = 0; i < 8; i++)
|
|
buf.push_back(ibuf[i]);
|
|
}
|
|
|
|
for (int i = 0; i < token_array.size(); i++) {
|
|
|
|
uint32_t token = token_array[i];
|
|
|
|
if (token & ~TOKEN_MASK) {
|
|
uint8_t buf4[4];
|
|
encode_uint32(token_array[i] | TOKEN_BYTE_MASK, &buf4[0]);
|
|
for (int j = 0; j < 4; j++) {
|
|
buf.push_back(buf4[j]);
|
|
}
|
|
} else {
|
|
buf.push_back(token);
|
|
}
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
GDScriptTokenizerBuffer::Token GDScriptTokenizerBuffer::get_token(int p_offset) const {
|
|
|
|
int offset = token + p_offset;
|
|
|
|
if (offset < 0 || offset >= tokens.size())
|
|
return TK_EOF;
|
|
|
|
return GDScriptTokenizerBuffer::Token(tokens[offset] & TOKEN_MASK);
|
|
}
|
|
|
|
StringName GDScriptTokenizerBuffer::get_token_identifier(int p_offset) const {
|
|
|
|
int offset = token + p_offset;
|
|
|
|
ERR_FAIL_INDEX_V(offset, tokens.size(), StringName());
|
|
uint32_t identifier = tokens[offset] >> TOKEN_BITS;
|
|
ERR_FAIL_UNSIGNED_INDEX_V(identifier, (uint32_t)identifiers.size(), StringName());
|
|
|
|
return identifiers[identifier];
|
|
}
|
|
|
|
GDScriptFunctions::Function GDScriptTokenizerBuffer::get_token_built_in_func(int p_offset) const {
|
|
|
|
int offset = token + p_offset;
|
|
ERR_FAIL_INDEX_V(offset, tokens.size(), GDScriptFunctions::FUNC_MAX);
|
|
return GDScriptFunctions::Function(tokens[offset] >> TOKEN_BITS);
|
|
}
|
|
|
|
Variant::Type GDScriptTokenizerBuffer::get_token_type(int p_offset) const {
|
|
|
|
int offset = token + p_offset;
|
|
ERR_FAIL_INDEX_V(offset, tokens.size(), Variant::NIL);
|
|
|
|
return Variant::Type(tokens[offset] >> TOKEN_BITS);
|
|
}
|
|
|
|
int GDScriptTokenizerBuffer::get_token_line(int p_offset) const {
|
|
|
|
int offset = token + p_offset;
|
|
int pos = lines.find_nearest(offset);
|
|
|
|
if (pos < 0)
|
|
return -1;
|
|
if (pos >= lines.size())
|
|
pos = lines.size() - 1;
|
|
|
|
uint32_t l = lines.getv(pos);
|
|
return l & TOKEN_LINE_MASK;
|
|
}
|
|
int GDScriptTokenizerBuffer::get_token_column(int p_offset) const {
|
|
|
|
int offset = token + p_offset;
|
|
int pos = lines.find_nearest(offset);
|
|
if (pos < 0)
|
|
return -1;
|
|
if (pos >= lines.size())
|
|
pos = lines.size() - 1;
|
|
|
|
uint32_t l = lines.getv(pos);
|
|
return l >> TOKEN_LINE_BITS;
|
|
}
|
|
int GDScriptTokenizerBuffer::get_token_line_indent(int p_offset) const {
|
|
|
|
int offset = token + p_offset;
|
|
ERR_FAIL_INDEX_V(offset, tokens.size(), 0);
|
|
return tokens[offset] >> TOKEN_BITS;
|
|
}
|
|
const Variant &GDScriptTokenizerBuffer::get_token_constant(int p_offset) const {
|
|
|
|
int offset = token + p_offset;
|
|
ERR_FAIL_INDEX_V(offset, tokens.size(), nil);
|
|
uint32_t constant = tokens[offset] >> TOKEN_BITS;
|
|
ERR_FAIL_UNSIGNED_INDEX_V(constant, (uint32_t)constants.size(), nil);
|
|
return constants[constant];
|
|
}
|
|
String GDScriptTokenizerBuffer::get_token_error(int p_offset) const {
|
|
|
|
ERR_FAIL_V(String());
|
|
}
|
|
|
|
void GDScriptTokenizerBuffer::advance(int p_amount) {
|
|
|
|
ERR_FAIL_INDEX(p_amount + token, tokens.size());
|
|
token += p_amount;
|
|
}
|
|
GDScriptTokenizerBuffer::GDScriptTokenizerBuffer() {
|
|
|
|
token = 0;
|
|
}
|