diff options
Diffstat (limited to 'modules/gdscript')
-rw-r--r-- | modules/gdscript/gdscript_compiler.cpp | 190 | ||||
-rw-r--r-- | modules/gdscript/gdscript_compiler.h | 9 |
2 files changed, 70 insertions, 129 deletions
diff --git a/modules/gdscript/gdscript_compiler.cpp b/modules/gdscript/gdscript_compiler.cpp index 5f521c682a..ae67521749 100644 --- a/modules/gdscript/gdscript_compiler.cpp +++ b/modules/gdscript/gdscript_compiler.cpp @@ -139,17 +139,32 @@ GDScriptDataType GDScriptCompiler::_gdtype_from_datatype(const GDScriptParser::D result.native_type = result.script_type->get_instance_base_type(); } break; case GDScriptParser::DataType::CLASS: { - result.kind = GDScriptDataType::GDSCRIPT; - if (!p_datatype.class_type->owner) { - result.script_type = Ref<GDScript>(main_script); - } else { - result.script_type = class_map[p_datatype.class_type->name]; + // Locate class by constructing the path to it and following that path + GDScriptParser::ClassNode *class_type = p_datatype.class_type; + List<StringName> names; + while (class_type->owner) { + names.push_back(class_type->name); + class_type = class_type->owner; } - result.native_type = result.script_type->get_instance_base_type(); + + Ref<GDScript> script = Ref<GDScript>(main_script); + while (names.back()) { + if (!script->subclasses.has(names.back()->get())) { + ERR_PRINT("Parser bug: Cannot locate datatype class."); + result.has_type = false; + return GDScriptDataType(); + } + script = script->subclasses[names.back()->get()]; + names.pop_back(); + } + + result.kind = GDScriptDataType::GDSCRIPT; + result.script_type = script; + result.native_type = script->get_instance_base_type(); } break; default: { ERR_PRINT("Parser bug: converting unresolved type."); - result.has_type = false; + return GDScriptDataType(); } } @@ -460,12 +475,14 @@ int GDScriptCompiler::_parse_expression(CodeGen &codegen, const GDScriptParser:: codegen.alloc_stack(slevel); } - switch (cn->cast_type.kind) { - case GDScriptParser::DataType::BUILTIN: { + GDScriptDataType cast_type = _gdtype_from_datatype(cn->cast_type); + + switch (cast_type.kind) { + case GDScriptDataType::BUILTIN: { codegen.opcodes.push_back(GDScriptFunction::OPCODE_CAST_TO_BUILTIN); codegen.opcodes.push_back(cn->cast_type.builtin_type); } break; - case GDScriptParser::DataType::NATIVE: { + case GDScriptDataType::NATIVE: { int class_idx; if (GDScriptLanguage::get_singleton()->get_global_map().has(cn->cast_type.native_type)) { @@ -478,32 +495,8 @@ int GDScriptCompiler::_parse_expression(CodeGen &codegen, const GDScriptParser:: codegen.opcodes.push_back(GDScriptFunction::OPCODE_CAST_TO_NATIVE); // perform operator codegen.opcodes.push_back(class_idx); // variable type } break; - case GDScriptParser::DataType::CLASS: { - - Variant script; - int idx = -1; - if (!cn->cast_type.class_type->owner) { - script = codegen.script; - } else { - StringName name = cn->cast_type.class_type->name; - if (codegen.script->subclasses.has(name) && class_map[name] == codegen.script->subclasses[name]) { - idx = codegen.get_name_map_pos(name); - idx |= GDScriptFunction::ADDR_TYPE_CLASS_CONSTANT << GDScriptFunction::ADDR_BITS; - } else { - script = class_map[name]; - } - } - - if (idx < 0) { - idx = codegen.get_constant_pos(script); - idx |= GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS; //make it a local constant (faster access) - } - - codegen.opcodes.push_back(GDScriptFunction::OPCODE_CAST_TO_SCRIPT); // perform operator - codegen.opcodes.push_back(idx); // variable type - } break; - case GDScriptParser::DataType::SCRIPT: - case GDScriptParser::DataType::GDSCRIPT: { + case GDScriptDataType::SCRIPT: + case GDScriptDataType::GDSCRIPT: { Variant script = cn->cast_type.script_type; int idx = codegen.get_constant_pos(script); @@ -1149,18 +1142,18 @@ int GDScriptCompiler::_parse_expression(CodeGen &codegen, const GDScriptParser:: if (src_address_b < 0) return -1; - GDScriptParser::DataType assign_type = on->arguments[0]->get_datatype(); + GDScriptDataType assign_type = _gdtype_from_datatype(on->arguments[0]->get_datatype()); if (assign_type.has_type && !on->arguments[1]->get_datatype().has_type) { // Typed assignment switch (assign_type.kind) { - case GDScriptParser::DataType::BUILTIN: { + case GDScriptDataType::BUILTIN: { codegen.opcodes.push_back(GDScriptFunction::OPCODE_ASSIGN_TYPED_BUILTIN); // perform operator codegen.opcodes.push_back(assign_type.builtin_type); // variable type codegen.opcodes.push_back(dst_address_a); // argument 1 codegen.opcodes.push_back(src_address_b); // argument 2 } break; - case GDScriptParser::DataType::NATIVE: { + case GDScriptDataType::NATIVE: { int class_idx; if (GDScriptLanguage::get_singleton()->get_global_map().has(assign_type.native_type)) { @@ -1175,34 +1168,8 @@ int GDScriptCompiler::_parse_expression(CodeGen &codegen, const GDScriptParser:: codegen.opcodes.push_back(dst_address_a); // argument 1 codegen.opcodes.push_back(src_address_b); // argument 2 } break; - case GDScriptParser::DataType::CLASS: { - - Variant script; - int idx = -1; - if (!assign_type.class_type->owner) { - script = codegen.script; - } else { - StringName name = assign_type.class_type->name; - if (codegen.script->subclasses.has(name) && class_map[name] == codegen.script->subclasses[name]) { - idx = codegen.get_name_map_pos(name); - idx |= GDScriptFunction::ADDR_TYPE_CLASS_CONSTANT << GDScriptFunction::ADDR_BITS; - } else { - script = class_map[name]; - } - } - - if (idx < 0) { - idx = codegen.get_constant_pos(script); - idx |= GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS; //make it a local constant (faster access) - } - - codegen.opcodes.push_back(GDScriptFunction::OPCODE_ASSIGN_TYPED_SCRIPT); // perform operator - codegen.opcodes.push_back(idx); // variable type - codegen.opcodes.push_back(dst_address_a); // argument 1 - codegen.opcodes.push_back(src_address_b); // argument 2 - } break; - case GDScriptParser::DataType::SCRIPT: - case GDScriptParser::DataType::GDSCRIPT: { + case GDScriptDataType::SCRIPT: + case GDScriptDataType::GDSCRIPT: { Variant script = assign_type.script_type; int idx = codegen.get_constant_pos(script); @@ -1845,22 +1812,21 @@ Error GDScriptCompiler::_parse_function(GDScript *p_script, const GDScriptParser return OK; } -Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state) { +Error GDScriptCompiler::_parse_class_level(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) { + + parsing_classes.insert(p_script); if (p_class->owner && p_class->owner->owner) { // Owner is not root - StringName owner_name = p_class->owner->name; - if (!parsed_classes.has(owner_name)) { - if (parsing_classes.has(owner_name)) { - _set_error("Cyclic class reference for '" + String(owner_name) + "'.", p_class); + if (!parsed_classes.has(p_script->_owner)) { + if (parsing_classes.has(p_script->_owner)) { + _set_error("Cyclic class reference for '" + String(p_class->name) + "'.", p_class); return ERR_PARSE_ERROR; } - parsing_classes.insert(owner_name); - Error err = _parse_class_level(class_map[owner_name].ptr(), class_map[owner_name]->_owner, p_class->owner, p_keep_state); + Error err = _parse_class_level(p_script->_owner, p_class->owner, p_keep_state); if (err) { return err; } - parsing_classes.erase(owner_name); } } @@ -1878,47 +1844,26 @@ Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner p_script->_signals.clear(); p_script->initializer = NULL; - p_script->subclasses.clear(); - p_script->_owner = p_owner; p_script->tool = p_class->tool; p_script->name = p_class->name; Ref<GDScriptNativeClass> native; + GDScriptDataType base_type = _gdtype_from_datatype(p_class->base_type); // Inheritance - switch (p_class->base_type.kind) { - case GDScriptParser::DataType::CLASS: { - StringName base_name = p_class->base_type.class_type->name; - // Make sure dependency is parsed first - if (!parsed_classes.has(base_name)) { - if (parsing_classes.has(base_name)) { - _set_error("Cyclic class reference for '" + String(base_name) + "'.", p_class); - return ERR_PARSE_ERROR; - } - parsing_classes.insert(base_name); - Error err = _parse_class_level(class_map[base_name].ptr(), class_map[base_name]->_owner, p_class->base_type.class_type, p_keep_state); - if (err) { - return err; - } - parsing_classes.erase(base_name); - } - Ref<GDScript> base = class_map[base_name]; - p_script->base = base; - p_script->_base = p_script->base.ptr(); - p_script->member_indices = base->member_indices; - } break; - case GDScriptParser::DataType::GDSCRIPT: { - Ref<GDScript> base = p_class->base_type.script_type; - p_script->base = base; - p_script->_base = p_script->base.ptr(); - p_script->member_indices = base->member_indices; - } break; - case GDScriptParser::DataType::NATIVE: { - int native_idx = GDScriptLanguage::get_singleton()->get_global_map()[p_class->base_type.native_type]; + switch (base_type.kind) { + case GDScriptDataType::NATIVE: { + int native_idx = GDScriptLanguage::get_singleton()->get_global_map()[base_type.native_type]; native = GDScriptLanguage::get_singleton()->get_global_array()[native_idx]; ERR_FAIL_COND_V(native.is_null(), ERR_BUG); p_script->native = native; } break; + case GDScriptDataType::GDSCRIPT: { + Ref<GDScript> base = base_type.script_type; + p_script->base = base; + p_script->_base = base.ptr(); + p_script->member_indices = base->member_indices; + } break; default: { _set_error("Parser bug: invalid inheritance.", p_class); return ERR_BUG; @@ -2012,24 +1957,19 @@ Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner p_script->_signals[name] = p_class->_signals[i].arguments; } - if (p_class->owner) { - parsed_classes.insert(p_class->name); - if (parsing_classes.has(p_class->name)) { - parsing_classes.erase(p_class->name); - } - } + parsed_classes.insert(p_script); + parsing_classes.erase(p_script); //parse sub-classes for (int i = 0; i < p_class->subclasses.size(); i++) { StringName name = p_class->subclasses[i]->name; - Ref<GDScript> subclass = class_map[name]; + GDScript *subclass = p_script->subclasses[name].ptr(); // Subclass might still be parsing, just skip it - if (!parsed_classes.has(name) && !parsing_classes.has(name)) { - parsing_classes.insert(name); - Error err = _parse_class_level(subclass.ptr(), p_script, p_class->subclasses[i], p_keep_state); + if (!parsed_classes.has(subclass) && !parsing_classes.has(subclass)) { + Error err = _parse_class_level(subclass, p_class->subclasses[i], p_keep_state); if (err) return err; } @@ -2040,7 +1980,6 @@ Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner #endif p_script->constants.insert(name, subclass); //once parsed, goes to the list of constants - p_script->subclasses.insert(name, subclass); } return OK; @@ -2139,9 +2078,9 @@ Error GDScriptCompiler::_parse_class_blocks(GDScript *p_script, const GDScriptPa for (int i = 0; i < p_class->subclasses.size(); i++) { StringName name = p_class->subclasses[i]->name; - Ref<GDScript> subclass = class_map[name]; + GDScript *subclass = p_script->subclasses[name].ptr(); - Error err = _parse_class_blocks(subclass.ptr(), p_class->subclasses[i], p_keep_state); + Error err = _parse_class_blocks(subclass, p_class->subclasses[i], p_keep_state); if (err) { return err; } @@ -2151,7 +2090,7 @@ Error GDScriptCompiler::_parse_class_blocks(GDScript *p_script, const GDScriptPa return OK; } -void GDScriptCompiler::_make_scripts(const GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) { +void GDScriptCompiler::_make_scripts(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) { Map<StringName, Ref<GDScript> > old_subclasses; @@ -2159,6 +2098,8 @@ void GDScriptCompiler::_make_scripts(const GDScript *p_script, const GDScriptPar old_subclasses = p_script->subclasses; } + p_script->subclasses.clear(); + for (int i = 0; i < p_class->subclasses.size(); i++) { StringName name = p_class->subclasses[i]->name; @@ -2170,10 +2111,10 @@ void GDScriptCompiler::_make_scripts(const GDScript *p_script, const GDScriptPar subclass.instance(); } - subclass->_owner = const_cast<GDScript *>(p_script); - class_map.insert(name, subclass); + subclass->_owner = p_script; + p_script->subclasses.insert(name, subclass); - _make_scripts(subclass.ptr(), p_class->subclasses[i], p_keep_state); + _make_scripts(subclass.ptr(), p_class->subclasses[i], false); } } @@ -2192,7 +2133,8 @@ Error GDScriptCompiler::compile(const GDScriptParser *p_parser, GDScript *p_scri // Create scripts for subclasses beforehand so they can be referenced _make_scripts(p_script, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state); - Error err = _parse_class_level(p_script, NULL, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state); + p_script->_owner = NULL; + Error err = _parse_class_level(p_script, static_cast<const GDScriptParser::ClassNode *>(root), p_keep_state); if (err) return err; diff --git a/modules/gdscript/gdscript_compiler.h b/modules/gdscript/gdscript_compiler.h index 8440807a56..2cf630ba72 100644 --- a/modules/gdscript/gdscript_compiler.h +++ b/modules/gdscript/gdscript_compiler.h @@ -38,9 +38,8 @@ class GDScriptCompiler { const GDScriptParser *parser; - Map<StringName, Ref<GDScript> > class_map; - Set<StringName> parsed_classes; - Set<StringName> parsing_classes; + Set<GDScript *> parsed_classes; + Set<GDScript *> parsing_classes; GDScript *main_script; struct CodeGen { @@ -149,9 +148,9 @@ class GDScriptCompiler { int _parse_expression(CodeGen &codegen, const GDScriptParser::Node *p_expression, int p_stack_level, bool p_root = false, bool p_initializer = false); Error _parse_block(CodeGen &codegen, const GDScriptParser::BlockNode *p_block, int p_stack_level = 0, int p_break_addr = -1, int p_continue_addr = -1); Error _parse_function(GDScript *p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready = false); - Error _parse_class_level(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state); + Error _parse_class_level(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state); Error _parse_class_blocks(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state); - void _make_scripts(const GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state); + void _make_scripts(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state); int err_line; int err_column; StringName source; |