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godot/modules/gdscript/gdscript_byte_codegen.h

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One Copyright Update to rule them all As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
2023-01-05 12:25:55 +00:00
/**************************************************************************/
/* gdscript_byte_codegen.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. */
/**************************************************************************/
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
Code quality: Fix header guards consistency Adds `header_guards.sh` bash script, used in CI to validate future changes. Can be run locally to fix invalid header guards.
2022-07-23 21:41:51 +00:00
#ifndef GDSCRIPT_BYTE_CODEGEN_H
#define GDSCRIPT_BYTE_CODEGEN_H
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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#include "gdscript_codegen.h"
GDScript: Gather instructions arguments beforehand Almost all instructions need variant arguments. With this change they are loaded in an array before each instruction call. This makes the addressing code be localized to less places, improving compilation overhead and binary size by a small margin. This should not affect performance.
2020-11-13 13:31:14 +00:00
#include "gdscript_function.h"
GDScript: Refactor builtin functions They are now called "utility functions" to avoid confusion with methods of builtin types, and be consistent with the naming in Variant. Core utility functions are now available in GDScript. The ones missing in core are added specifically to GDScript as helpers for convenience. Some functions were remove when there are better ways to do, reducing redundancy and cleaning up the global scope.
2020-11-26 14:56:32 +00:00
#include "gdscript_utility_functions.h"
GDScript: Gather instructions arguments beforehand Almost all instructions need variant arguments. With this change they are loaded in an array before each instruction call. This makes the addressing code be localized to less places, improving compilation overhead and binary size by a small margin. This should not affect performance.
2020-11-13 13:31:14 +00:00
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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class GDScriptByteCodeGenerator : public GDScriptCodeGenerator {
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
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struct StackSlot {
Variant::Type type = Variant::NIL;
Vector<int> bytecode_indices;
StackSlot() = default;
StackSlot(Variant::Type p_type) :
type(p_type) {}
};
const static int RESERVED_STACK = 3; // For self, class, and nil.
Avoid GDScript bookkeeping from referencing objects longer than necessary
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struct CallTarget {
Address target;
bool is_new_temporary = false;
GDScriptByteCodeGenerator *codegen = nullptr;
#ifdef DEV_ENABLED
bool cleaned = false;
#endif
void cleanup() {
DEV_ASSERT(!cleaned);
if (is_new_temporary) {
codegen->pop_temporary();
}
#ifdef DEV_ENABLED
cleaned = true;
#endif
}
CallTarget(Address p_target, bool p_is_new_temporary, GDScriptByteCodeGenerator *p_codegen) :
target(p_target),
is_new_temporary(p_is_new_temporary),
codegen(p_codegen) {}
~CallTarget() { DEV_ASSERT(cleaned); }
CallTarget(const CallTarget &) = delete;
CallTarget &operator=(CallTarget &) = delete;
};
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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bool ended = false;
GDScriptFunction *function = nullptr;
bool debug_stack = false;
Vector<int> opcodes;
Replace most uses of Map by HashMap * Map is unnecessary and inefficient in almost every case. * Replaced by the new HashMap. * Renamed Map to RBMap and Set to RBSet for cases that still make sense (order matters) but use is discouraged. There were very few cases where replacing by HashMap was undesired because keeping the key order was intended. I tried to keep those (as RBMap) as much as possible, but might have missed some. Review appreciated!
2022-05-13 13:04:37 +00:00
List<RBMap<StringName, int>> stack_id_stack;
RBMap<StringName, int> stack_identifiers;
GDScript: Fix mishandling of stack pointers - Replace the for loop temporaries by locals. They cause conflicts with the stack when being popped, while locals are properly handled in the scope. - Change the interface for the codegen so the for loop list doesn't live through the whole block if it's a temporary. - Keep track of the actual amount of local variables in the stack. Using the size of the map is misleading in cases where multiple locals have the same name (which is allowed when there's no shadowing). - Added a few debug checks for temporaries, to avoid them being wrongly manipulated in the future. They should not live more than a line of code. - Rearrange some of compiler code to make sure the temporaries don't live across blocks.
2020-11-22 15:24:40 +00:00
List<int> stack_identifiers_counts;
Replace most uses of Map by HashMap * Map is unnecessary and inefficient in almost every case. * Replaced by the new HashMap. * Renamed Map to RBMap and Set to RBSet for cases that still make sense (order matters) but use is discouraged. There were very few cases where replacing by HashMap was undesired because keeping the key order was intended. I tried to keep those (as RBMap) as much as possible, but might have missed some. Review appreciated!
2022-05-13 13:04:37 +00:00
RBMap<StringName, int> local_constants;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
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Vector<StackSlot> locals;
Vector<StackSlot> temporaries;
List<int> used_temporaries;
Fix edge cases of object lifetime when signals involved
2023-04-11 15:20:03 +00:00
List<int> temporaries_pending_clear;
Replace most uses of Map by HashMap * Map is unnecessary and inefficient in almost every case. * Replaced by the new HashMap. * Renamed Map to RBMap and Set to RBSet for cases that still make sense (order matters) but use is discouraged. There were very few cases where replacing by HashMap was undesired because keeping the key order was intended. I tried to keep those (as RBMap) as much as possible, but might have missed some. Review appreciated!
2022-05-13 13:04:37 +00:00
RBMap<Variant::Type, List<int>> temporaries_pool;
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
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Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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List<GDScriptFunction::StackDebug> stack_debug;
Replace most uses of Map by HashMap * Map is unnecessary and inefficient in almost every case. * Replaced by the new HashMap. * Renamed Map to RBMap and Set to RBSet for cases that still make sense (order matters) but use is discouraged. There were very few cases where replacing by HashMap was undesired because keeping the key order was intended. I tried to keep those (as RBMap) as much as possible, but might have missed some. Review appreciated!
2022-05-13 13:04:37 +00:00
List<RBMap<StringName, int>> block_identifier_stack;
RBMap<StringName, int> block_identifiers;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
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int max_locals = 0;
GDScript: Add faster operator for known types It now uses the direct operator function pointer, which increases performance in evaluation.
2020-11-13 19:47:45 +00:00
int current_line = 0;
int instr_args_max = 0;
GDScript: Add faster call instructions for native methods
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int ptrcall_max = 0;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
GDScript: Fix mishandling of stack pointers - Replace the for loop temporaries by locals. They cause conflicts with the stack when being popped, while locals are properly handled in the scope. - Change the interface for the codegen so the for loop list doesn't live through the whole block if it's a temporary. - Keep track of the actual amount of local variables in the stack. Using the size of the map is misleading in cases where multiple locals have the same name (which is allowed when there's no shadowing). - Added a few debug checks for temporaries, to avoid them being wrongly manipulated in the future. They should not live more than a line of code. - Rearrange some of compiler code to make sure the temporaries don't live across blocks.
2020-11-22 15:24:40 +00:00
#ifdef DEBUG_ENABLED
List<int> temp_stack;
#endif
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
HashMap<Variant, int, VariantHasher, VariantComparator> constant_map;
Replace most uses of Map by HashMap * Map is unnecessary and inefficient in almost every case. * Replaced by the new HashMap. * Renamed Map to RBMap and Set to RBSet for cases that still make sense (order matters) but use is discouraged. There were very few cases where replacing by HashMap was undesired because keeping the key order was intended. I tried to keep those (as RBMap) as much as possible, but might have missed some. Review appreciated!
2022-05-13 13:04:37 +00:00
RBMap<StringName, int> name_map;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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#ifdef TOOLS_ENABLED
Vector<StringName> named_globals;
#endif
Replace most uses of Map by HashMap * Map is unnecessary and inefficient in almost every case. * Replaced by the new HashMap. * Renamed Map to RBMap and Set to RBSet for cases that still make sense (order matters) but use is discouraged. There were very few cases where replacing by HashMap was undesired because keeping the key order was intended. I tried to keep those (as RBMap) as much as possible, but might have missed some. Review appreciated!
2022-05-13 13:04:37 +00:00
RBMap<Variant::ValidatedOperatorEvaluator, int> operator_func_map;
RBMap<Variant::ValidatedSetter, int> setters_map;
RBMap<Variant::ValidatedGetter, int> getters_map;
RBMap<Variant::ValidatedKeyedSetter, int> keyed_setters_map;
RBMap<Variant::ValidatedKeyedGetter, int> keyed_getters_map;
RBMap<Variant::ValidatedIndexedSetter, int> indexed_setters_map;
RBMap<Variant::ValidatedIndexedGetter, int> indexed_getters_map;
RBMap<Variant::ValidatedBuiltInMethod, int> builtin_method_map;
RBMap<Variant::ValidatedConstructor, int> constructors_map;
RBMap<Variant::ValidatedUtilityFunction, int> utilities_map;
RBMap<GDScriptUtilityFunctions::FunctionPtr, int> gds_utilities_map;
RBMap<MethodBind *, int> method_bind_map;
RBMap<GDScriptFunction *, int> lambdas_map;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
GDScript: Add names for disassembling function pointers When instructions use function pointers, it's not possible to retrieve their original names in the disassembly. This stores the names in vectors (in debug builds) so they can be shown.
2022-12-29 13:47:53 +00:00
#if DEBUG_ENABLED
// Keep method and property names for pointer and validated operations.
// Used when disassembling the bytecode.
Vector<String> operator_names;
Vector<String> setter_names;
Vector<String> getter_names;
Vector<String> builtin_methods_names;
Vector<String> constructors_names;
Vector<String> utilities_names;
Vector<String> gds_utilities_names;
void add_debug_name(Vector<String> &vector, int index, const String &name) {
if (index >= vector.size()) {
vector.resize(index + 1);
}
vector.write[index] = name;
}
#endif
GDScript: Fix mishandling of stack pointers - Replace the for loop temporaries by locals. They cause conflicts with the stack when being popped, while locals are properly handled in the scope. - Change the interface for the codegen so the for loop list doesn't live through the whole block if it's a temporary. - Keep track of the actual amount of local variables in the stack. Using the size of the map is misleading in cases where multiple locals have the same name (which is allowed when there's no shadowing). - Added a few debug checks for temporaries, to avoid them being wrongly manipulated in the future. They should not live more than a line of code. - Rearrange some of compiler code to make sure the temporaries don't live across blocks.
2020-11-22 15:24:40 +00:00
// Lists since these can be nested.
List<int> if_jmp_addrs;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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List<int> for_jmp_addrs;
GDScript: Fix mishandling of stack pointers - Replace the for loop temporaries by locals. They cause conflicts with the stack when being popped, while locals are properly handled in the scope. - Change the interface for the codegen so the for loop list doesn't live through the whole block if it's a temporary. - Keep track of the actual amount of local variables in the stack. Using the size of the map is misleading in cases where multiple locals have the same name (which is allowed when there's no shadowing). - Added a few debug checks for temporaries, to avoid them being wrongly manipulated in the future. They should not live more than a line of code. - Rearrange some of compiler code to make sure the temporaries don't live across blocks.
2020-11-22 15:24:40 +00:00
List<Address> for_iterator_variables;
List<Address> for_counter_variables;
List<Address> for_container_variables;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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List<int> while_jmp_addrs;
List<int> continue_addrs;
// Used to patch jumps with `and` and `or` operators with short-circuit.
List<int> logic_op_jump_pos1;
List<int> logic_op_jump_pos2;
List<Address> ternary_result;
List<int> ternary_jump_fail_pos;
List<int> ternary_jump_skip_pos;
List<List<int>> current_breaks_to_patch;
void add_stack_identifier(const StringName &p_id, int p_stackpos) {
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
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if (locals.size() > max_locals) {
max_locals = locals.size();
}
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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stack_identifiers[p_id] = p_stackpos;
if (debug_stack) {
block_identifiers[p_id] = p_stackpos;
GDScriptFunction::StackDebug sd;
sd.added = true;
sd.line = current_line;
sd.identifier = p_id;
sd.pos = p_stackpos;
stack_debug.push_back(sd);
}
}
void push_stack_identifiers() {
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
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stack_identifiers_counts.push_back(locals.size());
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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stack_id_stack.push_back(stack_identifiers);
if (debug_stack) {
Replace most uses of Map by HashMap * Map is unnecessary and inefficient in almost every case. * Replaced by the new HashMap. * Renamed Map to RBMap and Set to RBSet for cases that still make sense (order matters) but use is discouraged. There were very few cases where replacing by HashMap was undesired because keeping the key order was intended. I tried to keep those (as RBMap) as much as possible, but might have missed some. Review appreciated!
2022-05-13 13:04:37 +00:00
RBMap<StringName, int> block_ids(block_identifiers);
GDScript: Fix mishandling of stack pointers - Replace the for loop temporaries by locals. They cause conflicts with the stack when being popped, while locals are properly handled in the scope. - Change the interface for the codegen so the for loop list doesn't live through the whole block if it's a temporary. - Keep track of the actual amount of local variables in the stack. Using the size of the map is misleading in cases where multiple locals have the same name (which is allowed when there's no shadowing). - Added a few debug checks for temporaries, to avoid them being wrongly manipulated in the future. They should not live more than a line of code. - Rearrange some of compiler code to make sure the temporaries don't live across blocks.
2020-11-22 15:24:40 +00:00
block_identifier_stack.push_back(block_ids);
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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block_identifiers.clear();
}
}
void pop_stack_identifiers() {
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
2021-04-14 17:35:51 +00:00
int current_locals = stack_identifiers_counts.back()->get();
GDScript: Fix mishandling of stack pointers - Replace the for loop temporaries by locals. They cause conflicts with the stack when being popped, while locals are properly handled in the scope. - Change the interface for the codegen so the for loop list doesn't live through the whole block if it's a temporary. - Keep track of the actual amount of local variables in the stack. Using the size of the map is misleading in cases where multiple locals have the same name (which is allowed when there's no shadowing). - Added a few debug checks for temporaries, to avoid them being wrongly manipulated in the future. They should not live more than a line of code. - Rearrange some of compiler code to make sure the temporaries don't live across blocks.
2020-11-22 15:24:40 +00:00
stack_identifiers_counts.pop_back();
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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stack_identifiers = stack_id_stack.back()->get();
stack_id_stack.pop_back();
GDScript: Fix mishandling of stack pointers - Replace the for loop temporaries by locals. They cause conflicts with the stack when being popped, while locals are properly handled in the scope. - Change the interface for the codegen so the for loop list doesn't live through the whole block if it's a temporary. - Keep track of the actual amount of local variables in the stack. Using the size of the map is misleading in cases where multiple locals have the same name (which is allowed when there's no shadowing). - Added a few debug checks for temporaries, to avoid them being wrongly manipulated in the future. They should not live more than a line of code. - Rearrange some of compiler code to make sure the temporaries don't live across blocks.
2020-11-22 15:24:40 +00:00
#ifdef DEBUG_ENABLED
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
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if (!used_temporaries.is_empty()) {
ERR_PRINT("Leaving block with non-zero temporary variables: " + itos(used_temporaries.size()));
GDScript: Fix mishandling of stack pointers - Replace the for loop temporaries by locals. They cause conflicts with the stack when being popped, while locals are properly handled in the scope. - Change the interface for the codegen so the for loop list doesn't live through the whole block if it's a temporary. - Keep track of the actual amount of local variables in the stack. Using the size of the map is misleading in cases where multiple locals have the same name (which is allowed when there's no shadowing). - Added a few debug checks for temporaries, to avoid them being wrongly manipulated in the future. They should not live more than a line of code. - Rearrange some of compiler code to make sure the temporaries don't live across blocks.
2020-11-22 15:24:40 +00:00
}
#endif
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
2021-04-14 17:35:51 +00:00
locals.resize(current_locals);
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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if (debug_stack) {
Use range iterators for `Map`
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for (const KeyValue<StringName, int> &E : block_identifiers) {
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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GDScriptFunction::StackDebug sd;
sd.added = false;
Use range iterators for `Map`
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sd.identifier = E.key;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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sd.line = current_line;
Use range iterators for `Map`
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sd.pos = E.value;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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stack_debug.push_back(sd);
}
block_identifiers = block_identifier_stack.back()->get();
block_identifier_stack.pop_back();
}
}
int get_name_map_pos(const StringName &p_identifier) {
int ret;
if (!name_map.has(p_identifier)) {
ret = name_map.size();
name_map[p_identifier] = ret;
} else {
ret = name_map[p_identifier];
}
return ret;
}
int get_constant_pos(const Variant &p_constant) {
Style: Apply clang-tidy's `readability-braces-around-statements`
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if (constant_map.has(p_constant)) {
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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return constant_map[p_constant];
Style: Apply clang-tidy's `readability-braces-around-statements`
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}
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
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int pos = constant_map.size();
constant_map[p_constant] = pos;
return pos;
}
GDScript: Add faster operator for known types It now uses the direct operator function pointer, which increases performance in evaluation.
2020-11-13 19:47:45 +00:00
int get_operation_pos(const Variant::ValidatedOperatorEvaluator p_operation) {
Style: Apply clang-tidy's `readability-braces-around-statements`
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if (operator_func_map.has(p_operation)) {
GDScript: Add faster operator for known types It now uses the direct operator function pointer, which increases performance in evaluation.
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return operator_func_map[p_operation];
Style: Apply clang-tidy's `readability-braces-around-statements`
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}
GDScript: Add faster operator for known types It now uses the direct operator function pointer, which increases performance in evaluation.
2020-11-13 19:47:45 +00:00
int pos = operator_func_map.size();
operator_func_map[p_operation] = pos;
return pos;
}
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
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int get_setter_pos(const Variant::ValidatedSetter p_setter) {
Style: Apply clang-tidy's `readability-braces-around-statements`
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if (setters_map.has(p_setter)) {
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
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return setters_map[p_setter];
Style: Apply clang-tidy's `readability-braces-around-statements`
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}
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
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int pos = setters_map.size();
setters_map[p_setter] = pos;
return pos;
}
int get_getter_pos(const Variant::ValidatedGetter p_getter) {
Style: Apply clang-tidy's `readability-braces-around-statements`
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if (getters_map.has(p_getter)) {
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
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return getters_map[p_getter];
Style: Apply clang-tidy's `readability-braces-around-statements`
2021-04-05 12:09:59 +00:00
}
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
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int pos = getters_map.size();
getters_map[p_getter] = pos;
return pos;
}
int get_keyed_setter_pos(const Variant::ValidatedKeyedSetter p_keyed_setter) {
Style: Apply clang-tidy's `readability-braces-around-statements`
2021-04-05 12:09:59 +00:00
if (keyed_setters_map.has(p_keyed_setter)) {
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
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return keyed_setters_map[p_keyed_setter];
Style: Apply clang-tidy's `readability-braces-around-statements`
2021-04-05 12:09:59 +00:00
}
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
2020-11-16 15:59:53 +00:00
int pos = keyed_setters_map.size();
keyed_setters_map[p_keyed_setter] = pos;
return pos;
}
int get_keyed_getter_pos(const Variant::ValidatedKeyedGetter p_keyed_getter) {
Style: Apply clang-tidy's `readability-braces-around-statements`
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if (keyed_getters_map.has(p_keyed_getter)) {
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
2020-11-16 15:59:53 +00:00
return keyed_getters_map[p_keyed_getter];
Style: Apply clang-tidy's `readability-braces-around-statements`
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}
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
2020-11-16 15:59:53 +00:00
int pos = keyed_getters_map.size();
keyed_getters_map[p_keyed_getter] = pos;
return pos;
}
int get_indexed_setter_pos(const Variant::ValidatedIndexedSetter p_indexed_setter) {
Style: Apply clang-tidy's `readability-braces-around-statements`
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if (indexed_setters_map.has(p_indexed_setter)) {
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
2020-11-16 15:59:53 +00:00
return indexed_setters_map[p_indexed_setter];
Style: Apply clang-tidy's `readability-braces-around-statements`
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}
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
2020-11-16 15:59:53 +00:00
int pos = indexed_setters_map.size();
indexed_setters_map[p_indexed_setter] = pos;
return pos;
}
int get_indexed_getter_pos(const Variant::ValidatedIndexedGetter p_indexed_getter) {
Style: Apply clang-tidy's `readability-braces-around-statements`
2021-04-05 12:09:59 +00:00
if (indexed_getters_map.has(p_indexed_getter)) {
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
2020-11-16 15:59:53 +00:00
return indexed_getters_map[p_indexed_getter];
Style: Apply clang-tidy's `readability-braces-around-statements`
2021-04-05 12:09:59 +00:00
}
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
2020-11-16 15:59:53 +00:00
int pos = indexed_getters_map.size();
indexed_getters_map[p_indexed_getter] = pos;
return pos;
}
GDScript: Add faster call instructions for builtin methods Methods from builtin types can be called by using the function pointer when the argument and base types are known at compile time.
2020-11-18 13:32:28 +00:00
int get_builtin_method_pos(const Variant::ValidatedBuiltInMethod p_method) {
if (builtin_method_map.has(p_method)) {
return builtin_method_map[p_method];
}
int pos = builtin_method_map.size();
builtin_method_map[p_method] = pos;
return pos;
}
GDScript: Add faster instruction for validated constructor Only for built-in types.
2020-11-18 14:37:08 +00:00
int get_constructor_pos(const Variant::ValidatedConstructor p_constructor) {
if (constructors_map.has(p_constructor)) {
return constructors_map[p_constructor];
}
int pos = constructors_map.size();
constructors_map[p_constructor] = pos;
return pos;
}
GDScript: Refactor builtin functions They are now called "utility functions" to avoid confusion with methods of builtin types, and be consistent with the naming in Variant. Core utility functions are now available in GDScript. The ones missing in core are added specifically to GDScript as helpers for convenience. Some functions were remove when there are better ways to do, reducing redundancy and cleaning up the global scope.
2020-11-26 14:56:32 +00:00
int get_utility_pos(const Variant::ValidatedUtilityFunction p_utility) {
if (utilities_map.has(p_utility)) {
return utilities_map[p_utility];
}
int pos = utilities_map.size();
utilities_map[p_utility] = pos;
return pos;
}
int get_gds_utility_pos(const GDScriptUtilityFunctions::FunctionPtr p_gds_utility) {
if (gds_utilities_map.has(p_gds_utility)) {
return gds_utilities_map[p_gds_utility];
}
int pos = gds_utilities_map.size();
gds_utilities_map[p_gds_utility] = pos;
return pos;
}
GDScript: Add faster call instructions for native methods
2020-11-17 13:44:52 +00:00
int get_method_bind_pos(MethodBind *p_method) {
if (method_bind_map.has(p_method)) {
return method_bind_map[p_method];
}
int pos = method_bind_map.size();
method_bind_map[p_method] = pos;
return pos;
}
GDScript: Implement lambdas compilation and runtime
2021-03-28 14:03:13 +00:00
int get_lambda_function_pos(GDScriptFunction *p_lambda_function) {
if (lambdas_map.has(p_lambda_function)) {
return lambdas_map[p_lambda_function];
}
int pos = lambdas_map.size();
lambdas_map[p_lambda_function] = pos;
return pos;
}
GDScript: Add faster call instructions for native methods
2020-11-17 13:44:52 +00:00
void alloc_ptrcall(int p_params) {
Style: Apply clang-tidy's `readability-braces-around-statements`
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if (p_params >= ptrcall_max) {
GDScript: Add faster call instructions for native methods
2020-11-17 13:44:52 +00:00
ptrcall_max = p_params;
Style: Apply clang-tidy's `readability-braces-around-statements`
2021-04-05 12:09:59 +00:00
}
GDScript: Add faster call instructions for native methods
2020-11-17 13:44:52 +00:00
}
Avoid GDScript bookkeeping from referencing objects longer than necessary
2023-02-17 16:50:42 +00:00
CallTarget get_call_target(const Address &p_target, Variant::Type p_type = Variant::NIL);
GDScript: Don't use the NIL address to hold return value of functions This prevents that the NIL address is filled with another value, which causes problems for some instructions that read from NIL.
2023-01-09 12:20:18 +00:00
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
int address_of(const Address &p_address) {
switch (p_address.mode) {
case Address::SELF:
Reduce number of addressing modes in GDScript VM There's now only 3 addressing modes: stack, constant, and member. Self, class, and nil are now present respectively in the first 3 stack slots. Global and class constants are moved to local constants when compiling. Named globals is only present on editor to use on tool singletons, so its use now emits a new instruction to copy the global to the stack. This allow us to further optimize the VM later by embedding the addressing modes in the instructions themselves, which is better done with less permutations.
2021-04-08 14:55:24 +00:00
return GDScriptFunction::ADDR_SELF;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
case Address::CLASS:
Reduce number of addressing modes in GDScript VM There's now only 3 addressing modes: stack, constant, and member. Self, class, and nil are now present respectively in the first 3 stack slots. Global and class constants are moved to local constants when compiling. Named globals is only present on editor to use on tool singletons, so its use now emits a new instruction to copy the global to the stack. This allow us to further optimize the VM later by embedding the addressing modes in the instructions themselves, which is better done with less permutations.
2021-04-08 14:55:24 +00:00
return GDScriptFunction::ADDR_CLASS;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
case Address::MEMBER:
return p_address.address | (GDScriptFunction::ADDR_TYPE_MEMBER << GDScriptFunction::ADDR_BITS);
case Address::CONSTANT:
Reduce number of addressing modes in GDScript VM There's now only 3 addressing modes: stack, constant, and member. Self, class, and nil are now present respectively in the first 3 stack slots. Global and class constants are moved to local constants when compiling. Named globals is only present on editor to use on tool singletons, so its use now emits a new instruction to copy the global to the stack. This allow us to further optimize the VM later by embedding the addressing modes in the instructions themselves, which is better done with less permutations.
2021-04-08 14:55:24 +00:00
return p_address.address | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS);
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
case Address::LOCAL_VARIABLE:
case Address::FUNCTION_PARAMETER:
return p_address.address | (GDScriptFunction::ADDR_TYPE_STACK << GDScriptFunction::ADDR_BITS);
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
2021-04-14 17:35:51 +00:00
case Address::TEMPORARY:
temporaries.write[p_address.address].bytecode_indices.push_back(opcodes.size());
return -1;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
case Address::NIL:
Reduce number of addressing modes in GDScript VM There's now only 3 addressing modes: stack, constant, and member. Self, class, and nil are now present respectively in the first 3 stack slots. Global and class constants are moved to local constants when compiling. Named globals is only present on editor to use on tool singletons, so its use now emits a new instruction to copy the global to the stack. This allow us to further optimize the VM later by embedding the addressing modes in the instructions themselves, which is better done with less permutations.
2021-04-08 14:55:24 +00:00
return GDScriptFunction::ADDR_NIL;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
}
return -1; // Unreachable.
}
Optimizations for GDScript VM * Removed instruction argument count and instruction prefetching. This is now done on the fly. Reduces jumps. * OPCODE_DISPATCH now goes directly to the next instruction, like in Godot 3.x. I have nothing I can use to test performance, so if anyone wants to lend a hand and compare with master (both on debug and release), it would be very welcome.
2023-01-02 14:29:44 +00:00
void append_opcode(GDScriptFunction::Opcode p_code) {
opcodes.push_back(p_code);
}
void append_opcode_and_argcount(GDScriptFunction::Opcode p_code, int p_argument_count) {
opcodes.push_back(p_code);
opcodes.push_back(p_argument_count);
GDScript: Gather instructions arguments beforehand Almost all instructions need variant arguments. With this change they are loaded in an array before each instruction call. This makes the addressing code be localized to less places, improving compilation overhead and binary size by a small margin. This should not affect performance.
2020-11-13 13:31:14 +00:00
instr_args_max = MAX(instr_args_max, p_argument_count);
}
void append(int p_code) {
opcodes.push_back(p_code);
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
}
void append(const Address &p_address) {
opcodes.push_back(address_of(p_address));
}
void append(const StringName &p_name) {
opcodes.push_back(get_name_map_pos(p_name));
}
GDScript: Add faster operator for known types It now uses the direct operator function pointer, which increases performance in evaluation.
2020-11-13 19:47:45 +00:00
void append(const Variant::ValidatedOperatorEvaluator p_operation) {
opcodes.push_back(get_operation_pos(p_operation));
}
GDScript: Add speficic set/get instructions When the base type is known at compile-time, we can get a direct function pointer that is faster than the regular set/get paths.
2020-11-16 15:59:53 +00:00
void append(const Variant::ValidatedSetter p_setter) {
opcodes.push_back(get_setter_pos(p_setter));
}
void append(const Variant::ValidatedGetter p_getter) {
opcodes.push_back(get_getter_pos(p_getter));
}
void append(const Variant::ValidatedKeyedSetter p_keyed_setter) {
opcodes.push_back(get_keyed_setter_pos(p_keyed_setter));
}
void append(const Variant::ValidatedKeyedGetter p_keyed_getter) {
opcodes.push_back(get_keyed_getter_pos(p_keyed_getter));
}
void append(const Variant::ValidatedIndexedSetter p_indexed_setter) {
opcodes.push_back(get_indexed_setter_pos(p_indexed_setter));
}
void append(const Variant::ValidatedIndexedGetter p_indexed_getter) {
opcodes.push_back(get_indexed_getter_pos(p_indexed_getter));
}
GDScript: Add faster call instructions for builtin methods Methods from builtin types can be called by using the function pointer when the argument and base types are known at compile time.
2020-11-18 13:32:28 +00:00
void append(const Variant::ValidatedBuiltInMethod p_method) {
opcodes.push_back(get_builtin_method_pos(p_method));
}
GDScript: Add faster instruction for validated constructor Only for built-in types.
2020-11-18 14:37:08 +00:00
void append(const Variant::ValidatedConstructor p_constructor) {
opcodes.push_back(get_constructor_pos(p_constructor));
}
GDScript: Refactor builtin functions They are now called "utility functions" to avoid confusion with methods of builtin types, and be consistent with the naming in Variant. Core utility functions are now available in GDScript. The ones missing in core are added specifically to GDScript as helpers for convenience. Some functions were remove when there are better ways to do, reducing redundancy and cleaning up the global scope.
2020-11-26 14:56:32 +00:00
void append(const Variant::ValidatedUtilityFunction p_utility) {
opcodes.push_back(get_utility_pos(p_utility));
}
void append(const GDScriptUtilityFunctions::FunctionPtr p_gds_utility) {
opcodes.push_back(get_gds_utility_pos(p_gds_utility));
}
GDScript: Add faster call instructions for native methods
2020-11-17 13:44:52 +00:00
void append(MethodBind *p_method) {
opcodes.push_back(get_method_bind_pos(p_method));
}
GDScript: Implement lambdas compilation and runtime
2021-03-28 14:03:13 +00:00
void append(GDScriptFunction *p_lambda_function) {
opcodes.push_back(get_lambda_function_pos(p_lambda_function));
}
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
void patch_jump(int p_address) {
opcodes.write[p_address] = opcodes.size();
}
public:
virtual uint32_t add_parameter(const StringName &p_name, bool p_is_optional, const GDScriptDataType &p_type) override;
virtual uint32_t add_local(const StringName &p_name, const GDScriptDataType &p_type) override;
virtual uint32_t add_local_constant(const StringName &p_name, const Variant &p_constant) override;
virtual uint32_t add_or_get_constant(const Variant &p_constant) override;
virtual uint32_t add_or_get_name(const StringName &p_name) override;
GDScript: Pool temporary values by type on the stack So the stack slots perform less type changes, which is useful for future optimizations.
2021-04-14 17:35:51 +00:00
virtual uint32_t add_temporary(const GDScriptDataType &p_type) override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void pop_temporary() override;
Fix edge cases of object lifetime when signals involved
2023-04-11 15:20:03 +00:00
virtual void clean_temporaries() override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void start_parameters() override;
virtual void end_parameters() override;
virtual void start_block() override;
virtual void end_block() override;
[Net] Modularize multiplayer, expose MultiplayerAPI to extensions. - RPC configurations are now dictionaries. - Script.get_rpc_methods renamed to Script.get_rpc_config. - Node.rpc[_id] and Callable.rpc now return an Error. - Refactor MultiplayerAPI to allow extension. - New MultiplayerAPI.rpc method with Array argument (for scripts). - Move the default MultiplayerAPI implementation to a module.
2022-07-12 21:12:42 +00:00
virtual void write_start(GDScript *p_script, const StringName &p_function_name, bool p_static, Variant p_rpc_config, const GDScriptDataType &p_return_type) override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual GDScriptFunction *write_end() override;
#ifdef DEBUG_ENABLED
virtual void set_signature(const String &p_signature) override;
#endif
virtual void set_initial_line(int p_line) override;
GDScript: Adjust type of temporaries when needed
2021-04-16 15:04:08 +00:00
virtual void write_type_adjust(const Address &p_target, Variant::Type p_new_type) override;
GDScript: Improve handling of operators - Use the new functions in Variant to determine the validity and resulting type of operators. - Split the operator function in codegen between binary and unary, since the unary ones have now a special requirement of having the second argument to be the NIL type when requesting info.
2020-11-26 17:41:55 +00:00
virtual void write_unary_operator(const Address &p_target, Variant::Operator p_operator, const Address &p_left_operand) override;
virtual void write_binary_operator(const Address &p_target, Variant::Operator p_operator, const Address &p_left_operand, const Address &p_right_operand) override;
GDScript: Rework type check
2023-02-16 23:16:24 +00:00
virtual void write_type_test(const Address &p_target, const Address &p_source, const GDScriptDataType &p_type) override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void write_and_left_operand(const Address &p_left_operand) override;
virtual void write_and_right_operand(const Address &p_right_operand) override;
virtual void write_end_and(const Address &p_target) override;
virtual void write_or_left_operand(const Address &p_left_operand) override;
virtual void write_or_right_operand(const Address &p_right_operand) override;
virtual void write_end_or(const Address &p_target) override;
virtual void write_start_ternary(const Address &p_target) override;
virtual void write_ternary_condition(const Address &p_condition) override;
virtual void write_ternary_true_expr(const Address &p_expr) override;
virtual void write_ternary_false_expr(const Address &p_expr) override;
virtual void write_end_ternary() override;
virtual void write_set(const Address &p_target, const Address &p_index, const Address &p_source) override;
virtual void write_get(const Address &p_target, const Address &p_index, const Address &p_source) override;
virtual void write_set_named(const Address &p_target, const StringName &p_name, const Address &p_source) override;
virtual void write_get_named(const Address &p_target, const StringName &p_name, const Address &p_source) override;
virtual void write_set_member(const Address &p_value, const StringName &p_name) override;
virtual void write_get_member(const Address &p_target, const StringName &p_name) override;
virtual void write_assign(const Address &p_target, const Address &p_source) override;
GDScript: Use analyzer data to decide assignment conversion Since there might be tricky cases in the analyzer (in the case of unsafe lines) which would need to be properly checked again. Instead, this splits the code generator in two functions and use information set by the analyzer to tell which function to use, without a need to re-check.
2021-05-26 17:05:31 +00:00
virtual void write_assign_with_conversion(const Address &p_target, const Address &p_source) override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void write_assign_true(const Address &p_target) override;
virtual void write_assign_false(const Address &p_target) override;
GDScript: Fix missing conversion for default argument values
2023-01-06 09:49:06 +00:00
virtual void write_assign_default_parameter(const Address &p_dst, const Address &p_src, bool p_use_conversion) override;
GDScript: Fix loading of interdependent autoloads Move the autoload resolution to runtime by loading it into the stack with an extra instruction. This allows an autoload to use another autoload singleton independent of load order.
2021-09-01 19:01:39 +00:00
virtual void write_store_global(const Address &p_dst, int p_global_index) override;
Reduce number of addressing modes in GDScript VM There's now only 3 addressing modes: stack, constant, and member. Self, class, and nil are now present respectively in the first 3 stack slots. Global and class constants are moved to local constants when compiling. Named globals is only present on editor to use on tool singletons, so its use now emits a new instruction to copy the global to the stack. This allow us to further optimize the VM later by embedding the addressing modes in the instructions themselves, which is better done with less permutations.
2021-04-08 14:55:24 +00:00
virtual void write_store_named_global(const Address &p_dst, const StringName &p_global) override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void write_cast(const Address &p_target, const Address &p_source, const GDScriptDataType &p_type) override;
virtual void write_call(const Address &p_target, const Address &p_base, const StringName &p_function_name, const Vector<Address> &p_arguments) override;
virtual void write_super_call(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) override;
virtual void write_call_async(const Address &p_target, const Address &p_base, const StringName &p_function_name, const Vector<Address> &p_arguments) override;
GDScript: Refactor builtin functions They are now called "utility functions" to avoid confusion with methods of builtin types, and be consistent with the naming in Variant. Core utility functions are now available in GDScript. The ones missing in core are added specifically to GDScript as helpers for convenience. Some functions were remove when there are better ways to do, reducing redundancy and cleaning up the global scope.
2020-11-26 14:56:32 +00:00
virtual void write_call_utility(const Address &p_target, const StringName &p_function, const Vector<Address> &p_arguments) override;
GDScript: Fix temp values being written without proper clear Temporary values in the stack were not being properly cleared when the return value of calls were discarded, which can cause memory issues especially for reference types like PackedByteArray.
2023-01-11 17:24:23 +00:00
void write_call_builtin_type(const Address &p_target, const Address &p_base, Variant::Type p_type, const StringName &p_method, bool p_is_static, const Vector<Address> &p_arguments);
GDScript: Add names for disassembling function pointers When instructions use function pointers, it's not possible to retrieve their original names in the disassembly. This stores the names in vectors (in debug builds) so they can be shown.
2022-12-29 13:47:53 +00:00
virtual void write_call_gdscript_utility(const Address &p_target, const StringName &p_function, const Vector<Address> &p_arguments) override;
GDScript: Add faster call instructions for builtin methods Methods from builtin types can be called by using the function pointer when the argument and base types are known at compile time.
2020-11-18 13:32:28 +00:00
virtual void write_call_builtin_type(const Address &p_target, const Address &p_base, Variant::Type p_type, const StringName &p_method, const Vector<Address> &p_arguments) override;
GDScript: Add support for builtin static method calls
2021-05-16 14:48:53 +00:00
virtual void write_call_builtin_type_static(const Address &p_target, Variant::Type p_type, const StringName &p_method, const Vector<Address> &p_arguments) override;
GDScript: Add support for static method calls in native types
2022-04-06 17:14:38 +00:00
virtual void write_call_native_static(const Address &p_target, const StringName &p_class, const StringName &p_method, const Vector<Address> &p_arguments) override;
GDScript: Add faster call instructions for native methods
2020-11-17 13:44:52 +00:00
virtual void write_call_method_bind(const Address &p_target, const Address &p_base, MethodBind *p_method, const Vector<Address> &p_arguments) override;
virtual void write_call_ptrcall(const Address &p_target, const Address &p_base, MethodBind *p_method, const Vector<Address> &p_arguments) override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void write_call_self(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) override;
Fix error when calling coroutine with await in _ready The code paths for calling async functions seemed to be missing in some cases, causing a debug break and false positive error.
2020-12-04 23:42:45 +00:00
virtual void write_call_self_async(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void write_call_script_function(const Address &p_target, const Address &p_base, const StringName &p_function_name, const Vector<Address> &p_arguments) override;
GDScript: Allow using self in lambdas
2022-04-20 17:22:22 +00:00
virtual void write_lambda(const Address &p_target, GDScriptFunction *p_function, const Vector<Address> &p_captures, bool p_use_self) override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void write_construct(const Address &p_target, Variant::Type p_type, const Vector<Address> &p_arguments) override;
virtual void write_construct_array(const Address &p_target, const Vector<Address> &p_arguments) override;
Add typed arrays to GDScript - Use `Array[type]` for type-hints. e.g.: `var array: Array[int] = [1, 2, 3]` - Array literals are typed if their storage is typed (variable asssignment of as argument in function all). Otherwise they are untyped.
2021-03-09 15:32:35 +00:00
virtual void write_construct_typed_array(const Address &p_target, const GDScriptDataType &p_element_type, const Vector<Address> &p_arguments) override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void write_construct_dictionary(const Address &p_target, const Vector<Address> &p_arguments) override;
virtual void write_await(const Address &p_target, const Address &p_operand) override;
virtual void write_if(const Address &p_condition) override;
virtual void write_else() override;
virtual void write_endif() override;
GDScript: Fix setter being called in chains for shared types When a type is shared (i.e. passed by reference) it doesn't need to be called in a setter chain (e.g. `a.b.c = 0`) since it will be updated in place. This commit adds an instruction that jumps when the value is shared so it can be used to skip those cases and avoid redundant calls of setters. It also solves issues when assigning to sub-properties of read-only properties.
2022-06-27 15:09:51 +00:00
virtual void write_jump_if_shared(const Address &p_value) override;
virtual void write_end_jump_if_shared() override;
GDScript: Fix mishandling of stack pointers - Replace the for loop temporaries by locals. They cause conflicts with the stack when being popped, while locals are properly handled in the scope. - Change the interface for the codegen so the for loop list doesn't live through the whole block if it's a temporary. - Keep track of the actual amount of local variables in the stack. Using the size of the map is misleading in cases where multiple locals have the same name (which is allowed when there's no shadowing). - Added a few debug checks for temporaries, to avoid them being wrongly manipulated in the future. They should not live more than a line of code. - Rearrange some of compiler code to make sure the temporaries don't live across blocks.
2020-11-22 15:24:40 +00:00
virtual void start_for(const GDScriptDataType &p_iterator_type, const GDScriptDataType &p_list_type) override;
virtual void write_for_assignment(const Address &p_variable, const Address &p_list) override;
virtual void write_for() override;
Add GDScript code generation interface Implement the abstraction by targeting the current VM.
2020-07-28 18:17:49 +00:00
virtual void write_endfor() override;
virtual void start_while_condition() override;
virtual void write_while(const Address &p_condition) override;
virtual void write_endwhile() override;
virtual void write_break() override;
virtual void write_continue() override;
virtual void write_breakpoint() override;
virtual void write_newline(int p_line) override;
virtual void write_return(const Address &p_return_value) override;
virtual void write_assert(const Address &p_test, const Address &p_message) override;
virtual ~GDScriptByteCodeGenerator();
};
Code quality: Fix header guards consistency Adds `header_guards.sh` bash script, used in CI to validate future changes. Can be run locally to fix invalid header guards.
2022-07-23 21:41:51 +00:00
#endif // GDSCRIPT_BYTE_CODEGEN_H
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