diff options
Diffstat (limited to 'modules/gdscript/gdscript_parser.cpp')
-rw-r--r-- | modules/gdscript/gdscript_parser.cpp | 81 |
1 files changed, 48 insertions, 33 deletions
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp index 9ab86a5459..f006d50a83 100644 --- a/modules/gdscript/gdscript_parser.cpp +++ b/modules/gdscript/gdscript_parser.cpp @@ -125,7 +125,7 @@ bool GDScriptParser::_enter_indent_block(BlockNode *p_block) { } } -bool GDScriptParser::_parse_arguments(Node *p_parent, Vector<Node *> &p_args, bool p_static, bool p_can_codecomplete) { +bool GDScriptParser::_parse_arguments(Node *p_parent, Vector<Node *> &p_args, bool p_static, bool p_can_codecomplete, bool p_parsing_constant) { if (tokenizer->get_token() == GDScriptTokenizer::TK_PARENTHESIS_CLOSE) { tokenizer->advance(); @@ -149,7 +149,7 @@ bool GDScriptParser::_parse_arguments(Node *p_parent, Vector<Node *> &p_args, bo return false; } - Node *arg = _parse_expression(p_parent, p_static); + Node *arg = _parse_expression(p_parent, p_static, false, p_parsing_constant); if (!arg) { return false; } @@ -639,7 +639,7 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s id->name = identifier; op->arguments.push_back(id); - if (!_parse_arguments(op, op->arguments, p_static, true)) + if (!_parse_arguments(op, op->arguments, p_static, true, p_parsing_constant)) return NULL; expr = op; @@ -731,7 +731,7 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s completion_node = op; } if (!replaced) { - if (!_parse_arguments(op, op->arguments, p_static, true)) + if (!_parse_arguments(op, op->arguments, p_static, true, p_parsing_constant)) return NULL; expr = op; } @@ -826,11 +826,12 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s } // Check parents for the constant - if (!bfn && cln->extends_file != StringName()) { - Ref<GDScript> parent = ResourceLoader::load(cln->extends_file); - if (parent.is_valid() && parent->is_valid()) { + if (!bfn) { + // Using current_class instead of cln here, since cln is const* + _determine_inheritance(current_class, false); + if (cln->base_type.has_type && cln->base_type.kind == DataType::GDSCRIPT && cln->base_type.script_type->is_valid()) { Map<StringName, Variant> parent_constants; - parent->get_constants(&parent_constants); + current_class->base_type.script_type->get_constants(&parent_constants); if (parent_constants.has(identifier)) { ConstantNode *constant = alloc_node<ConstantNode>(); constant->value = parent_constants[identifier]; @@ -1112,7 +1113,7 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s } } else { tokenizer->advance(); - if (!_parse_arguments(op, op->arguments, p_static)) { + if (!_parse_arguments(op, op->arguments, p_static, false, p_parsing_constant)) { return NULL; } } @@ -1164,22 +1165,14 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s tokenizer->advance(); IdentifierNode *id = alloc_node<IdentifierNode>(); - if (tokenizer->get_token() == GDScriptTokenizer::TK_BUILT_IN_FUNC) { - //small hack so built in funcs don't obfuscate methods - - id->name = GDScriptFunctions::get_func_name(tokenizer->get_token_built_in_func()); - tokenizer->advance(); - - } else { - StringName identifier; - if (_get_completable_identifier(COMPLETION_METHOD, identifier)) { - completion_node = op; - //indexing stuff - } - - id->name = identifier; + StringName identifier; + if (_get_completable_identifier(COMPLETION_METHOD, identifier)) { + completion_node = op; + //indexing stuff } + id->name = identifier; + op->arguments.push_back(expr); // call what op->arguments.push_back(id); // call func //get arguments @@ -1188,7 +1181,7 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s _make_completable_call(0); completion_node = op; } - if (!_parse_arguments(op, op->arguments, p_static, true)) + if (!_parse_arguments(op, op->arguments, p_static, true, p_parsing_constant)) return NULL; expr = op; @@ -1773,8 +1766,6 @@ GDScriptParser::Node *GDScriptParser::_reduce_expression(Node *p_node, bool p_to cn->value = v; cn->datatype = _type_from_variant(v); return cn; - - } else if (op->arguments[0]->type == Node::TYPE_BUILT_IN_FUNCTION && last_not_constant == 0) { } return op; //don't reduce yet @@ -2218,6 +2209,8 @@ void GDScriptParser::_parse_pattern_block(BlockNode *p_block, Vector<PatternBran p_block->has_return = true; + bool catch_all_appeared = false; + while (true) { while (tokenizer->get_token() == GDScriptTokenizer::TK_NEWLINE && _parse_newline()) @@ -2228,7 +2221,7 @@ void GDScriptParser::_parse_pattern_block(BlockNode *p_block, Vector<PatternBran return; if (indent_level > tab_level.back()->get()) { - return; // go back a level + break; // go back a level } if (pending_newline != -1) { @@ -2243,12 +2236,20 @@ void GDScriptParser::_parse_pattern_block(BlockNode *p_block, Vector<PatternBran branch->patterns.push_back(_parse_pattern(p_static)); if (!branch->patterns[0]) { - return; + break; } bool has_binding = branch->patterns[0]->pt_type == PatternNode::PT_BIND; bool catch_all = has_binding || branch->patterns[0]->pt_type == PatternNode::PT_WILDCARD; +#ifdef DEBUG_ENABLED + // Branches after a wildcard or binding are unreachable + if (catch_all_appeared && !current_function->has_unreachable_code) { + _add_warning(GDScriptWarning::UNREACHABLE_CODE, -1, current_function->name.operator String()); + current_function->has_unreachable_code = true; + } +#endif + while (tokenizer->get_token() == GDScriptTokenizer::TK_COMMA) { tokenizer->advance(); branch->patterns.push_back(_parse_pattern(p_static)); @@ -2266,6 +2267,8 @@ void GDScriptParser::_parse_pattern_block(BlockNode *p_block, Vector<PatternBran catch_all = catch_all || pt == PatternNode::PT_WILDCARD; } + catch_all_appeared = catch_all_appeared || catch_all; + if (!_enter_indent_block()) { _set_error("Expected block in pattern branch"); return; @@ -2281,6 +2284,11 @@ void GDScriptParser::_parse_pattern_block(BlockNode *p_block, Vector<PatternBran p_branches.push_back(branch); } + + // Even if all branches return, there is possibility of default fallthrough + if (!catch_all_appeared) { + p_block->has_return = false; + } } void GDScriptParser::_generate_pattern(PatternNode *p_pattern, Node *p_node_to_match, Node *&p_resulting_node, Map<StringName, Node *> &p_bindings) { @@ -5084,6 +5092,9 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { if (tokenizer->get_token() == GDScriptTokenizer::TK_COMMA) { tokenizer->advance(); + } else if (tokenizer->is_token_literal(0, true)) { + _set_error("Unexpected identifier"); + return; } if (enum_name != "") { @@ -5158,9 +5169,11 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { } } -void GDScriptParser::_determine_inheritance(ClassNode *p_class) { +void GDScriptParser::_determine_inheritance(ClassNode *p_class, bool p_recursive) { - if (p_class->extends_used) { + if (p_class->base_type.has_type) { + // Already determined + } else if (p_class->extends_used) { //do inheritance String path = p_class->extends_file; @@ -5355,9 +5368,11 @@ void GDScriptParser::_determine_inheritance(ClassNode *p_class) { p_class->base_type.native_type = "Reference"; } - // Recursively determine subclasses - for (int i = 0; i < p_class->subclasses.size(); i++) { - _determine_inheritance(p_class->subclasses[i]); + if (p_recursive) { + // Recursively determine subclasses + for (int i = 0; i < p_class->subclasses.size(); i++) { + _determine_inheritance(p_class->subclasses[i], p_recursive); + } } } |