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GDScript: Implement lambdas compilation and runtime

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This commit is contained in:
George Marques 2021-03-28 11:03:13 -03:00
parent 3155368093
commit c201b212c7
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GPG key ID: 046BD46A3201E43D
16 changed files with 364 additions and 39 deletions
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23
modules/gdscript/gdscript_byte_codegen.cpp
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@ -383,6 +383,18 @@ GDScriptFunction *GDScriptByteCodeGenerator::write_end() {
function->_methods_count = 0;
}
if (lambdas_map.size()) {
function->lambdas.resize(lambdas_map.size());
function->_lambdas_ptr = function->lambdas.ptrw();
function->_lambdas_count = lambdas_map.size();
for (const Map<GDScriptFunction *, int>::Element *E = lambdas_map.front(); E; E = E->next()) {
function->lambdas.write[E->get()] = E->key();
}
} else {
function->_lambdas_ptr = nullptr;
function->_lambdas_count = 0;
}
if (debug_stack) {
function->stack_debug = stack_debug;
}
@ -1118,6 +1130,17 @@ void GDScriptByteCodeGenerator::write_call_script_function(const Address &p_targ
append(p_function_name);
}
void GDScriptByteCodeGenerator::write_lambda(const Address &p_target, GDScriptFunction *p_function, const Vector<Address> &p_captures) {
append(GDScriptFunction::OPCODE_CREATE_LAMBDA, 1 + p_captures.size());
for (int i = 0; i < p_captures.size(); i++) {
append(p_captures[i]);
}
append(p_target);
append(p_captures.size());
append(p_function);
}
void GDScriptByteCodeGenerator::write_construct(const Address &p_target, Variant::Type p_type, const Vector<Address> &p_arguments) {
// Try to find an appropriate constructor.
bool all_have_type = true;