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-rw-r--r--modules/gdscript/gdscript_analyzer.cpp120
1 files changed, 112 insertions, 8 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp
index 561cdbbda4..2082339ba7 100644
--- a/modules/gdscript/gdscript_analyzer.cpp
+++ b/modules/gdscript/gdscript_analyzer.cpp
@@ -498,7 +498,13 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas
if (member.variable->initializer != nullptr) {
if (!is_type_compatible(datatype, member.variable->initializer->get_datatype(), true)) {
- push_error(vformat(R"(Value of type "%s" cannot be assigned to a variable of type "%s".)", member.variable->initializer->get_datatype().to_string(), datatype.to_string()), member.variable->initializer);
+ // Try reverse test since it can be a masked subtype.
+ if (!is_type_compatible(member.variable->initializer->get_datatype(), datatype, true)) {
+ push_error(vformat(R"(Value of type "%s" cannot be assigned to a variable of type "%s".)", member.variable->initializer->get_datatype().to_string(), datatype.to_string()), member.variable->initializer);
+ } else {
+ // TODO: Add warning.
+ mark_node_unsafe(member.variable->initializer);
+ }
} else if (datatype.builtin_type == Variant::INT && member.variable->initializer->get_datatype().builtin_type == Variant::FLOAT) {
#ifdef DEBUG_ENABLED
parser->push_warning(member.variable->initializer, GDScriptWarning::NARROWING_CONVERSION);
@@ -596,17 +602,67 @@ void GDScriptAnalyzer::resolve_class_interface(GDScriptParser::ClassNode *p_clas
enum_type.is_meta_type = true;
enum_type.is_constant = true;
+ // Enums can't be nested, so we can safely override this.
+ current_enum = member.m_enum;
+
for (int j = 0; j < member.m_enum->values.size(); j++) {
- enum_type.enum_values[member.m_enum->values[j].identifier->name] = member.m_enum->values[j].value;
+ GDScriptParser::EnumNode::Value &element = member.m_enum->values.write[j];
+
+ if (element.custom_value) {
+ reduce_expression(element.custom_value);
+ if (!element.custom_value->is_constant) {
+ push_error(R"(Enum values must be constant.)", element.custom_value);
+ } else if (element.custom_value->reduced_value.get_type() != Variant::INT) {
+ push_error(R"(Enum values must be integers.)", element.custom_value);
+ } else {
+ element.value = element.custom_value->reduced_value;
+ element.resolved = true;
+ }
+ } else {
+ if (element.index > 0) {
+ element.value = element.parent_enum->values[element.index - 1].value + 1;
+ } else {
+ element.value = 0;
+ }
+ element.resolved = true;
+ }
+
+ enum_type.enum_values[element.identifier->name] = element.value;
}
+ current_enum = nullptr;
+
member.m_enum->set_datatype(enum_type);
} break;
case GDScriptParser::ClassNode::Member::FUNCTION:
resolve_function_signature(member.function);
break;
- case GDScriptParser::ClassNode::Member::ENUM_VALUE:
- break; // Nothing to do, type and value set in parser.
+ case GDScriptParser::ClassNode::Member::ENUM_VALUE: {
+ if (member.enum_value.custom_value) {
+ current_enum = member.enum_value.parent_enum;
+ reduce_expression(member.enum_value.custom_value);
+ current_enum = nullptr;
+
+ if (!member.enum_value.custom_value->is_constant) {
+ push_error(R"(Enum values must be constant.)", member.enum_value.custom_value);
+ } else if (member.enum_value.custom_value->reduced_value.get_type() != Variant::INT) {
+ push_error(R"(Enum values must be integers.)", member.enum_value.custom_value);
+ } else {
+ member.enum_value.value = member.enum_value.custom_value->reduced_value;
+ member.enum_value.resolved = true;
+ }
+ } else {
+ if (member.enum_value.index > 0) {
+ member.enum_value.value = member.enum_value.parent_enum->values[member.enum_value.index - 1].value + 1;
+ } else {
+ member.enum_value.value = 0;
+ }
+ member.enum_value.resolved = true;
+ }
+ // Also update the original references.
+ member.enum_value.parent_enum->values.write[member.enum_value.index] = member.enum_value;
+ p_class->members.write[i].enum_value = member.enum_value;
+ } break;
case GDScriptParser::ClassNode::Member::CLASS:
break; // Done later.
case GDScriptParser::ClassNode::Member::UNDEFINED:
@@ -994,7 +1050,13 @@ void GDScriptAnalyzer::resolve_variable(GDScriptParser::VariableNode *p_variable
if (p_variable->initializer != nullptr) {
if (!is_type_compatible(type, p_variable->initializer->get_datatype(), true)) {
- push_error(vformat(R"(Value of type "%s" cannot be assigned to a variable of type "%s".)", p_variable->initializer->get_datatype().to_string(), type.to_string()), p_variable->initializer);
+ // Try reverse test since it can be a masked subtype.
+ if (!is_type_compatible(p_variable->initializer->get_datatype(), type, true)) {
+ push_error(vformat(R"(Value of type "%s" cannot be assigned to a variable of type "%s".)", p_variable->initializer->get_datatype().to_string(), type.to_string()), p_variable->initializer);
+ } else {
+ // TODO: Add warning.
+ mark_node_unsafe(p_variable->initializer);
+ }
#ifdef DEBUG_ENABLED
} else if (type.builtin_type == Variant::INT && p_variable->initializer->get_datatype().builtin_type == Variant::FLOAT) {
parser->push_warning(p_variable->initializer, GDScriptWarning::NARROWING_CONVERSION);
@@ -1385,9 +1447,16 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig
compatible = is_type_compatible(p_assignment->assignee->get_datatype(), op_type, true);
if (!compatible) {
if (p_assignment->assignee->get_datatype().is_hard_type()) {
- push_error(vformat(R"(Cannot assign a value of type "%s" to a target of type "%s".)", p_assignment->assigned_value->get_datatype().to_string(), p_assignment->assignee->get_datatype().to_string()), p_assignment->assigned_value);
+ // Try reverse test since it can be a masked subtype.
+ if (!is_type_compatible(op_type, p_assignment->assignee->get_datatype(), true)) {
+ push_error(vformat(R"(Cannot assign a value of type "%s" to a target of type "%s".)", p_assignment->assigned_value->get_datatype().to_string(), p_assignment->assignee->get_datatype().to_string()), p_assignment->assigned_value);
+ } else {
+ // TODO: Add warning.
+ mark_node_unsafe(p_assignment);
+ }
} else {
// TODO: Warning in this case.
+ mark_node_unsafe(p_assignment);
}
}
} else {
@@ -1634,6 +1703,7 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa
}
signature += p_call->arguments[i]->get_datatype().to_string();
}
+ signature += ")";
push_error(vformat(R"(No constructor of "%s" matches the signature "%s".)", Variant::get_type_name(builtin_type), signature), p_call->callee);
} break;
case Callable::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS:
@@ -1684,7 +1754,7 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa
for (int i = 0; i < p_call->arguments.size(); i++) {
GDScriptParser::DataType par_type = type_from_property(info.arguments[i]);
- if (!is_type_compatible(par_type, p_call->arguments[i]->get_datatype())) {
+ if (!is_type_compatible(par_type, p_call->arguments[i]->get_datatype(), true)) {
types_match = false;
break;
#ifdef DEBUG_ENABLED
@@ -1711,6 +1781,7 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool is_awa
}
signature += p_call->arguments[i]->get_datatype().to_string();
}
+ signature += ")";
push_error(vformat(R"(No constructor of "%s" matches the signature "%s".)", Variant::get_type_name(builtin_type), signature), p_call);
}
}
@@ -2104,6 +2175,33 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod
void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_identifier, bool can_be_builtin) {
// TODO: This is opportunity to further infer types.
+
+ // Check if we are inside and enum. This allows enum values to access other elements of the same enum.
+ if (current_enum) {
+ for (int i = 0; i < current_enum->values.size(); i++) {
+ const GDScriptParser::EnumNode::Value &element = current_enum->values[i];
+ if (element.identifier->name == p_identifier->name) {
+ GDScriptParser::DataType type;
+ type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
+ type.kind = element.parent_enum->identifier ? GDScriptParser::DataType::ENUM_VALUE : GDScriptParser::DataType::BUILTIN;
+ type.builtin_type = Variant::INT;
+ type.is_constant = true;
+ if (element.parent_enum->identifier) {
+ type.enum_type = element.parent_enum->identifier->name;
+ }
+ p_identifier->set_datatype(type);
+
+ if (element.resolved) {
+ p_identifier->is_constant = true;
+ p_identifier->reduced_value = element.value;
+ } else {
+ push_error(R"(Cannot use another enum element before it was declared.)", p_identifier);
+ }
+ return; // Found anyway.
+ }
+ }
+ }
+
// Check if identifier is local.
// If that's the case, the declaration already was solved before.
switch (p_identifier->source) {
@@ -2509,6 +2607,12 @@ void GDScriptAnalyzer::reduce_unary_op(GDScriptParser::UnaryOpNode *p_unary_op)
GDScriptParser::DataType result;
+ if (p_unary_op->operand == nullptr) {
+ result.kind = GDScriptParser::DataType::VARIANT;
+ p_unary_op->set_datatype(result);
+ return;
+ }
+
if (p_unary_op->operand->is_constant) {
p_unary_op->is_constant = true;
p_unary_op->reduced_value = Variant::evaluate(p_unary_op->variant_op, p_unary_op->operand->reduced_value, Variant());
@@ -2883,7 +2987,7 @@ GDScriptParser::DataType GDScriptAnalyzer::get_operation_type(Variant::Operator
}
// Avoid error in formatting operator (%) where it doesn't find a placeholder.
- if (a_type == Variant::STRING) {
+ if (a_type == Variant::STRING && b_type != Variant::ARRAY) {
a = String("%s");
}