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Diffstat (limited to 'modules/gdscript/gdscript_parser.cpp')
-rw-r--r--modules/gdscript/gdscript_parser.cpp81
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);
+ }
}
}