diff options
Diffstat (limited to 'modules/gdscript/gdscript_byte_codegen.h')
-rw-r--r-- | modules/gdscript/gdscript_byte_codegen.h | 319 |
1 files changed, 272 insertions, 47 deletions
diff --git a/modules/gdscript/gdscript_byte_codegen.h b/modules/gdscript/gdscript_byte_codegen.h index 62438b6dd2..fbbf5802fd 100644 --- a/modules/gdscript/gdscript_byte_codegen.h +++ b/modules/gdscript/gdscript_byte_codegen.h @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -33,7 +33,21 @@ #include "gdscript_codegen.h" +#include "gdscript_function.h" +#include "gdscript_utility_functions.h" + class GDScriptByteCodeGenerator : public GDScriptCodeGenerator { + 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. + bool ended = false; GDScriptFunction *function = nullptr; bool debug_stack = false; @@ -41,26 +55,52 @@ class GDScriptByteCodeGenerator : public GDScriptCodeGenerator { Vector<int> opcodes; List<Map<StringName, int>> stack_id_stack; Map<StringName, int> stack_identifiers; + List<int> stack_identifiers_counts; Map<StringName, int> local_constants; + Vector<StackSlot> locals; + Vector<StackSlot> temporaries; + List<int> used_temporaries; + Map<Variant::Type, List<int>> temporaries_pool; + List<GDScriptFunction::StackDebug> stack_debug; List<Map<StringName, int>> block_identifier_stack; Map<StringName, int> block_identifiers; - int current_stack_size = 0; - int current_temporaries = 0; + int max_locals = 0; + int current_line = 0; + int instr_args_max = 0; + int ptrcall_max = 0; + +#ifdef DEBUG_ENABLED + List<int> temp_stack; +#endif HashMap<Variant, int, VariantHasher, VariantComparator> constant_map; Map<StringName, int> name_map; #ifdef TOOLS_ENABLED Vector<StringName> named_globals; #endif - int current_line = 0; - int stack_max = 0; - int call_max = 0; - - List<int> if_jmp_addrs; // List since this can be nested. + Map<Variant::ValidatedOperatorEvaluator, int> operator_func_map; + Map<Variant::ValidatedSetter, int> setters_map; + Map<Variant::ValidatedGetter, int> getters_map; + Map<Variant::ValidatedKeyedSetter, int> keyed_setters_map; + Map<Variant::ValidatedKeyedGetter, int> keyed_getters_map; + Map<Variant::ValidatedIndexedSetter, int> indexed_setters_map; + Map<Variant::ValidatedIndexedGetter, int> indexed_getters_map; + Map<Variant::ValidatedBuiltInMethod, int> builtin_method_map; + Map<Variant::ValidatedConstructor, int> constructors_map; + Map<Variant::ValidatedUtilityFunction, int> utilities_map; + Map<GDScriptUtilityFunctions::FunctionPtr, int> gds_utilities_map; + Map<MethodBind *, int> method_bind_map; + Map<GDScriptFunction *, int> lambdas_map; + + // Lists since these can be nested. + List<int> if_jmp_addrs; List<int> for_jmp_addrs; + List<Address> for_iterator_variables; + List<Address> for_counter_variables; + List<Address> for_container_variables; List<int> while_jmp_addrs; List<int> continue_addrs; @@ -76,6 +116,9 @@ class GDScriptByteCodeGenerator : public GDScriptCodeGenerator { List<List<int>> match_continues_to_patch; void add_stack_identifier(const StringName &p_id, int p_stackpos) { + if (locals.size() > max_locals) { + max_locals = locals.size(); + } stack_identifiers[p_id] = p_stackpos; if (debug_stack) { block_identifiers[p_id] = p_stackpos; @@ -89,25 +132,33 @@ class GDScriptByteCodeGenerator : public GDScriptCodeGenerator { } void push_stack_identifiers() { + stack_identifiers_counts.push_back(locals.size()); stack_id_stack.push_back(stack_identifiers); if (debug_stack) { - block_identifier_stack.push_back(block_identifiers); + Map<StringName, int> block_ids(block_identifiers); + block_identifier_stack.push_back(block_ids); block_identifiers.clear(); } } void pop_stack_identifiers() { + int current_locals = stack_identifiers_counts.back()->get(); + stack_identifiers_counts.pop_back(); stack_identifiers = stack_id_stack.back()->get(); - current_stack_size = stack_identifiers.size() + current_temporaries; stack_id_stack.pop_back(); - +#ifdef DEBUG_ENABLED + if (!used_temporaries.is_empty()) { + ERR_PRINT("Leaving block with non-zero temporary variables: " + itos(used_temporaries.size())); + } +#endif + locals.resize(current_locals); if (debug_stack) { - for (Map<StringName, int>::Element *E = block_identifiers.front(); E; E = E->next()) { + for (const KeyValue<StringName, int> &E : block_identifiers) { GDScriptFunction::StackDebug sd; sd.added = false; - sd.identifier = E->key(); + sd.identifier = E.key; sd.line = current_line; - sd.pos = E->get(); + sd.pos = E.value; stack_debug.push_back(sd); } block_identifiers = block_identifier_stack.back()->get(); @@ -127,58 +178,166 @@ class GDScriptByteCodeGenerator : public GDScriptCodeGenerator { } int get_constant_pos(const Variant &p_constant) { - if (constant_map.has(p_constant)) + if (constant_map.has(p_constant)) { return constant_map[p_constant]; + } int pos = constant_map.size(); constant_map[p_constant] = pos; return pos; } - void alloc_stack(int p_level) { - if (p_level >= stack_max) - stack_max = p_level + 1; + int get_operation_pos(const Variant::ValidatedOperatorEvaluator p_operation) { + if (operator_func_map.has(p_operation)) { + return operator_func_map[p_operation]; + } + int pos = operator_func_map.size(); + operator_func_map[p_operation] = pos; + return pos; + } + + int get_setter_pos(const Variant::ValidatedSetter p_setter) { + if (setters_map.has(p_setter)) { + return setters_map[p_setter]; + } + int pos = setters_map.size(); + setters_map[p_setter] = pos; + return pos; + } + + int get_getter_pos(const Variant::ValidatedGetter p_getter) { + if (getters_map.has(p_getter)) { + return getters_map[p_getter]; + } + int pos = getters_map.size(); + getters_map[p_getter] = pos; + return pos; + } + + int get_keyed_setter_pos(const Variant::ValidatedKeyedSetter p_keyed_setter) { + if (keyed_setters_map.has(p_keyed_setter)) { + return keyed_setters_map[p_keyed_setter]; + } + 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) { + if (keyed_getters_map.has(p_keyed_getter)) { + return keyed_getters_map[p_keyed_getter]; + } + 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) { + if (indexed_setters_map.has(p_indexed_setter)) { + return indexed_setters_map[p_indexed_setter]; + } + 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) { + if (indexed_getters_map.has(p_indexed_getter)) { + return indexed_getters_map[p_indexed_getter]; + } + int pos = indexed_getters_map.size(); + indexed_getters_map[p_indexed_getter] = pos; + return pos; + } + + 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; + } + + 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; + } + + 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; + } + + 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; } - void alloc_call(int p_params) { - if (p_params >= call_max) - call_max = p_params; + 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; } - int increase_stack() { - int top = current_stack_size++; - alloc_stack(current_stack_size); - return top; + void alloc_ptrcall(int p_params) { + if (p_params >= ptrcall_max) { + ptrcall_max = p_params; + } } int address_of(const Address &p_address) { switch (p_address.mode) { case Address::SELF: - return GDScriptFunction::ADDR_TYPE_SELF << GDScriptFunction::ADDR_BITS; + return GDScriptFunction::ADDR_SELF; case Address::CLASS: - return GDScriptFunction::ADDR_TYPE_CLASS << GDScriptFunction::ADDR_BITS; + return GDScriptFunction::ADDR_CLASS; case Address::MEMBER: return p_address.address | (GDScriptFunction::ADDR_TYPE_MEMBER << GDScriptFunction::ADDR_BITS); - case Address::CLASS_CONSTANT: - return p_address.address | (GDScriptFunction::ADDR_TYPE_CLASS_CONSTANT << GDScriptFunction::ADDR_BITS); - case Address::LOCAL_CONSTANT: case Address::CONSTANT: - return p_address.address | (GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS); + return p_address.address | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS); case Address::LOCAL_VARIABLE: - case Address::TEMPORARY: case Address::FUNCTION_PARAMETER: return p_address.address | (GDScriptFunction::ADDR_TYPE_STACK << GDScriptFunction::ADDR_BITS); - case Address::GLOBAL: - return p_address.address | (GDScriptFunction::ADDR_TYPE_GLOBAL << GDScriptFunction::ADDR_BITS); - case Address::NAMED_GLOBAL: - return p_address.address | (GDScriptFunction::ADDR_TYPE_NAMED_GLOBAL << GDScriptFunction::ADDR_BITS); + case Address::TEMPORARY: + temporaries.write[p_address.address].bytecode_indices.push_back(opcodes.size()); + return -1; case Address::NIL: - return GDScriptFunction::ADDR_TYPE_NIL << GDScriptFunction::ADDR_BITS; + return GDScriptFunction::ADDR_NIL; } return -1; // Unreachable. } - void append(int code) { - opcodes.push_back(code); + void append(GDScriptFunction::Opcode p_code, int p_argument_count) { + opcodes.push_back((p_code & GDScriptFunction::INSTR_MASK) | (p_argument_count << GDScriptFunction::INSTR_BITS)); + instr_args_max = MAX(instr_args_max, p_argument_count); + } + + void append(int p_code) { + opcodes.push_back(p_code); } void append(const Address &p_address) { @@ -189,6 +348,58 @@ class GDScriptByteCodeGenerator : public GDScriptCodeGenerator { opcodes.push_back(get_name_map_pos(p_name)); } + void append(const Variant::ValidatedOperatorEvaluator p_operation) { + opcodes.push_back(get_operation_pos(p_operation)); + } + + 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)); + } + + void append(const Variant::ValidatedBuiltInMethod p_method) { + opcodes.push_back(get_builtin_method_pos(p_method)); + } + + void append(const Variant::ValidatedConstructor p_constructor) { + opcodes.push_back(get_constructor_pos(p_constructor)); + } + + 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)); + } + + void append(MethodBind *p_method) { + opcodes.push_back(get_method_bind_pos(p_method)); + } + + void append(GDScriptFunction *p_lambda_function) { + opcodes.push_back(get_lambda_function_pos(p_lambda_function)); + } + void patch_jump(int p_address) { opcodes.write[p_address] = opcodes.size(); } @@ -199,7 +410,7 @@ public: 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; - virtual uint32_t add_temporary() override; + virtual uint32_t add_temporary(const GDScriptDataType &p_type) override; virtual void pop_temporary() override; virtual void start_parameters() override; @@ -208,7 +419,7 @@ public: virtual void start_block() override; virtual void end_block() override; - virtual void write_start(GDScript *p_script, const StringName &p_function_name, bool p_static, MultiplayerAPI::RPCMode p_rpc_mode, const GDScriptDataType &p_return_type) override; + virtual void write_start(GDScript *p_script, const StringName &p_function_name, bool p_static, Multiplayer::RPCConfig p_rpc_config, const GDScriptDataType &p_return_type) override; virtual GDScriptFunction *write_end() override; #ifdef DEBUG_ENABLED @@ -216,7 +427,9 @@ public: #endif virtual void set_initial_line(int p_line) override; - virtual void write_operator(const Address &p_target, Variant::Operator p_operator, const Address &p_left_operand, const Address &p_right_operand) override; + virtual void write_type_adjust(const Address &p_target, Variant::Type p_new_type) override; + 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; virtual void write_type_test(const Address &p_target, const Address &p_source, const Address &p_type) override; virtual void write_type_test_builtin(const Address &p_target, const Address &p_source, Variant::Type p_type) override; virtual void write_and_left_operand(const Address &p_left_operand) override; @@ -237,25 +450,37 @@ public: 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; + virtual void write_assign_with_conversion(const Address &p_target, const Address &p_source) override; virtual void write_assign_true(const Address &p_target) override; virtual void write_assign_false(const Address &p_target) override; + virtual void write_assign_default_parameter(const Address &p_dst, const Address &p_src) override; + virtual void write_store_global(const Address &p_dst, int p_global_index) override; + virtual void write_store_named_global(const Address &p_dst, const StringName &p_global) override; 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; - virtual void write_call_builtin(const Address &p_target, GDScriptFunctions::Function p_function, const Vector<Address> &p_arguments) override; - virtual void write_call_method_bind(const Address &p_target, const Address &p_base, const MethodBind *p_method, const Vector<Address> &p_arguments) override; - virtual void write_call_ptrcall(const Address &p_target, const Address &p_base, const MethodBind *p_method, const Vector<Address> &p_arguments) override; + virtual void write_call_utility(const Address &p_target, const StringName &p_function, const Vector<Address> &p_arguments) override; + virtual void write_call_gdscript_utility(const Address &p_target, GDScriptUtilityFunctions::FunctionPtr p_function, const Vector<Address> &p_arguments) override; + 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; + 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; + 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; virtual void write_call_self(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) override; + virtual void write_call_self_async(const Address &p_target, const StringName &p_function_name, const Vector<Address> &p_arguments) override; 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; + virtual void write_lambda(const Address &p_target, GDScriptFunction *p_function, const Vector<Address> &p_captures) override; 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; + virtual void write_construct_typed_array(const Address &p_target, const GDScriptDataType &p_element_type, const Vector<Address> &p_arguments) override; 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; - virtual void write_for(const Address &p_variable, const Address &p_list) override; + 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; virtual void write_endfor() override; virtual void start_while_condition() override; virtual void write_while(const Address &p_condition) override; |