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-rw-r--r--modules/gdscript/gdscript_parser.cpp194
1 files changed, 142 insertions, 52 deletions
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp
index 7502f09d8a..a4bda42b16 100644
--- a/modules/gdscript/gdscript_parser.cpp
+++ b/modules/gdscript/gdscript_parser.cpp
@@ -32,14 +32,13 @@
#include "core/core_string_names.h"
#include "core/engine.h"
+#include "core/io/resource_loader.h"
+#include "core/os/file_access.h"
+#include "core/print_string.h"
#include "core/project_settings.h"
#include "core/reference.h"
+#include "core/script_language.h"
#include "gdscript.h"
-#include "io/resource_loader.h"
-#include "os/file_access.h"
-#include "print_string.h"
-#include "project_settings.h"
-#include "script_language.h"
template <class T>
T *GDScriptParser::alloc_node() {
@@ -57,7 +56,9 @@ T *GDScriptParser::alloc_node() {
return t;
}
+#ifdef DEBUG_ENABLED
static String _find_function_name(const GDScriptParser::OperatorNode *p_call);
+#endif // DEBUG_ENABLED
bool GDScriptParser::_end_statement() {
@@ -82,8 +83,11 @@ bool GDScriptParser::_enter_indent_block(BlockNode *p_block) {
}
tokenizer->advance();
- if (tokenizer->get_token() != GDScriptTokenizer::TK_NEWLINE) {
+ if (tokenizer->get_token() == GDScriptTokenizer::TK_EOF) {
+ return false;
+ }
+ if (tokenizer->get_token() != GDScriptTokenizer::TK_NEWLINE) {
// be more python-like
int current = tab_level.back()->get();
tab_level.push_back(current);
@@ -93,10 +97,11 @@ bool GDScriptParser::_enter_indent_block(BlockNode *p_block) {
}
while (true) {
-
if (tokenizer->get_token() != GDScriptTokenizer::TK_NEWLINE) {
return false; //wtf
+ } else if (tokenizer->get_token(1) == GDScriptTokenizer::TK_EOF) {
+ return false;
} else if (tokenizer->get_token(1) != GDScriptTokenizer::TK_NEWLINE) {
int indent = tokenizer->get_token_line_indent();
@@ -638,9 +643,21 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s
expr = op;
} else {
-
- _set_error("Static constant '" + identifier.operator String() + "' not present in built-in type " + Variant::get_type_name(bi_type) + ".");
- return NULL;
+ // Object is a special case
+ bool valid = false;
+ if (bi_type == Variant::OBJECT) {
+ int object_constant = ClassDB::get_integer_constant("Object", identifier, &valid);
+ if (valid) {
+ ConstantNode *cn = alloc_node<ConstantNode>();
+ cn->value = object_constant;
+ cn->datatype = _type_from_variant(cn->value);
+ expr = cn;
+ }
+ }
+ if (!valid) {
+ _set_error("Static constant '" + identifier.operator String() + "' not present in built-in type " + Variant::get_type_name(bi_type) + ".");
+ return NULL;
+ }
}
} else {
@@ -662,7 +679,7 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s
if (tokenizer->get_token() == GDScriptTokenizer::TK_BUILT_IN_TYPE) {
Variant::Type ct = tokenizer->get_token_type();
- if (p_parsing_constant == false) {
+ if (!p_parsing_constant) {
if (ct == Variant::ARRAY) {
if (tokenizer->get_token(2) == GDScriptTokenizer::TK_PARENTHESIS_CLOSE) {
ArrayNode *arr = alloc_node<ArrayNode>();
@@ -732,7 +749,6 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s
while (!bfn && b) {
if (b->variables.has(identifier)) {
IdentifierNode *id = alloc_node<IdentifierNode>();
- LocalVarNode *lv = b->variables[identifier];
id->name = identifier;
id->declared_block = b;
id->line = id_line;
@@ -740,6 +756,7 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s
bfn = true;
#ifdef DEBUG_ENABLED
+ LocalVarNode *lv = b->variables[identifier];
switch (tokenizer->get_token()) {
case GDScriptTokenizer::TK_OP_ASSIGN_ADD:
case GDScriptTokenizer::TK_OP_ASSIGN_BIT_AND:
@@ -2479,7 +2496,7 @@ void GDScriptParser::_generate_pattern(PatternNode *p_pattern, Node *p_node_to_m
Node *condition = NULL;
- // chech for has, then for pattern
+ // check for has, then for pattern
IdentifierNode *has = alloc_node<IdentifierNode>();
has->name = "has";
@@ -4336,6 +4353,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
current_export.type = Variant::INT;
current_export.hint = is_flags ? PROPERTY_HINT_FLAGS : PROPERTY_HINT_ENUM;
+ current_export.usage |= PROPERTY_USAGE_SCRIPT_VARIABLE;
Dictionary enum_values = constant;
List<Variant> keys;
@@ -4383,10 +4401,10 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
tokenizer->advance();
}
- if (tokenizer->get_token() != GDScriptTokenizer::TK_PR_VAR && tokenizer->get_token() != GDScriptTokenizer::TK_PR_ONREADY && tokenizer->get_token() != GDScriptTokenizer::TK_PR_REMOTE && tokenizer->get_token() != GDScriptTokenizer::TK_PR_MASTER && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SLAVE && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_REMOTESYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_MASTERSYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SLAVESYNC) {
+ if (tokenizer->get_token() != GDScriptTokenizer::TK_PR_VAR && tokenizer->get_token() != GDScriptTokenizer::TK_PR_ONREADY && tokenizer->get_token() != GDScriptTokenizer::TK_PR_REMOTE && tokenizer->get_token() != GDScriptTokenizer::TK_PR_MASTER && tokenizer->get_token() != GDScriptTokenizer::TK_PR_PUPPET && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_REMOTESYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_MASTERSYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_PUPPETSYNC && tokenizer->get_token() != GDScriptTokenizer::TK_PR_SLAVE) {
current_export = PropertyInfo();
- _set_error("Expected 'var', 'onready', 'remote', 'master', 'slave', 'sync', 'remotesync', 'mastersync', 'slavesync'.");
+ _set_error("Expected 'var', 'onready', 'remote', 'master', 'puppet', 'sync', 'remotesync', 'mastersync', 'puppetsync'.");
return;
}
@@ -4443,7 +4461,11 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
rpc_mode = MultiplayerAPI::RPC_MODE_MASTER;
continue;
} break;
- case GDScriptTokenizer::TK_PR_SLAVE: {
+ case GDScriptTokenizer::TK_PR_SLAVE:
+#ifdef DEBUG_ENABLED
+ _add_warning(GDScriptWarning::DEPRECATED_KEYWORD, tokenizer->get_token_line(), "slave", "puppet");
+#endif
+ case GDScriptTokenizer::TK_PR_PUPPET: {
//may be fallthrough from export, ignore if so
tokenizer->advance();
@@ -4460,7 +4482,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
}
}
- rpc_mode = MultiplayerAPI::RPC_MODE_SLAVE;
+ rpc_mode = MultiplayerAPI::RPC_MODE_PUPPET;
continue;
} break;
case GDScriptTokenizer::TK_PR_REMOTESYNC:
@@ -4476,7 +4498,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
return;
}
- rpc_mode = MultiplayerAPI::RPC_MODE_SYNC;
+ rpc_mode = MultiplayerAPI::RPC_MODE_REMOTESYNC;
continue;
} break;
case GDScriptTokenizer::TK_PR_MASTERSYNC: {
@@ -4494,7 +4516,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
rpc_mode = MultiplayerAPI::RPC_MODE_MASTERSYNC;
continue;
} break;
- case GDScriptTokenizer::TK_PR_SLAVESYNC: {
+ case GDScriptTokenizer::TK_PR_PUPPETSYNC: {
//may be fallthrough from export, ignore if so
tokenizer->advance();
@@ -4506,7 +4528,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
return;
}
- rpc_mode = MultiplayerAPI::RPC_MODE_SLAVESYNC;
+ rpc_mode = MultiplayerAPI::RPC_MODE_PUPPETSYNC;
continue;
} break;
case GDScriptTokenizer::TK_PR_VAR: {
@@ -4536,14 +4558,14 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
member.rpc_mode = rpc_mode;
if (current_class->constant_expressions.has(member.identifier)) {
- _set_error("A constant named '" + String(member.identifier) + "' alread exists in this class (at line: " +
+ _set_error("A constant named '" + String(member.identifier) + "' already exists in this class (at line: " +
itos(current_class->constant_expressions[member.identifier].expression->line) + ").");
return;
}
for (int i = 0; i < current_class->variables.size(); i++) {
if (current_class->variables[i].identifier == member.identifier) {
- _set_error("Variable '" + String(member.identifier) + "' alread exists in this class (at line: " +
+ _set_error("Variable '" + String(member.identifier) + "' already exists in this class (at line: " +
itos(current_class->variables[i].line) + ").");
return;
}
@@ -4750,14 +4772,14 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
int line = tokenizer->get_token_line();
if (current_class->constant_expressions.has(const_id)) {
- _set_error("Constant '" + String(const_id) + "' alread exists in this class (at line: " +
+ _set_error("Constant '" + String(const_id) + "' already exists in this class (at line: " +
itos(current_class->constant_expressions[const_id].expression->line) + ").");
return;
}
for (int i = 0; i < current_class->variables.size(); i++) {
if (current_class->variables[i].identifier == const_id) {
- _set_error("A variable named '" + String(const_id) + "' alread exists in this class (at line: " +
+ _set_error("A variable named '" + String(const_id) + "' already exists in this class (at line: " +
itos(current_class->variables[i].line) + ").");
return;
}
@@ -4811,13 +4833,28 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
case GDScriptTokenizer::TK_PR_ENUM: {
//multiple constant declarations..
- int last_assign = -1; // Incremented by 1 right before the assingment.
+ int last_assign = -1; // Incremented by 1 right before the assignment.
String enum_name;
Dictionary enum_dict;
tokenizer->advance();
if (tokenizer->is_token_literal(0, true)) {
enum_name = tokenizer->get_token_literal();
+
+ if (current_class->constant_expressions.has(enum_name)) {
+ _set_error("A constant named '" + String(enum_name) + "' already exists in this class (at line: " +
+ itos(current_class->constant_expressions[enum_name].expression->line) + ").");
+ return;
+ }
+
+ for (int i = 0; i < current_class->variables.size(); i++) {
+ if (current_class->variables[i].identifier == enum_name) {
+ _set_error("A variable named '" + String(enum_name) + "' already exists in this class (at line: " +
+ itos(current_class->variables[i].line) + ").");
+ return;
+ }
+ }
+
tokenizer->advance();
}
if (tokenizer->get_token() != GDScriptTokenizer::TK_CURLY_BRACKET_OPEN) {
@@ -4844,12 +4881,12 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
return;
} else { // tokenizer->is_token_literal(0, true)
- ClassNode::Constant constant;
-
StringName const_id = tokenizer->get_token_literal();
tokenizer->advance();
+ ConstantNode *enum_value_expr;
+
if (tokenizer->get_token() == GDScriptTokenizer::TK_OP_ASSIGN) {
tokenizer->advance();
@@ -4866,23 +4903,20 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
return;
}
- ConstantNode *subexpr_const = static_cast<ConstantNode *>(subexpr);
+ enum_value_expr = static_cast<ConstantNode *>(subexpr);
- if (subexpr_const->value.get_type() != Variant::INT) {
+ if (enum_value_expr->value.get_type() != Variant::INT) {
_set_error("Expected an int value for enum");
return;
}
- last_assign = subexpr_const->value;
-
- constant.expression = subexpr_const;
+ last_assign = enum_value_expr->value;
} else {
last_assign = last_assign + 1;
- ConstantNode *cn = alloc_node<ConstantNode>();
- cn->value = last_assign;
- cn->datatype = _type_from_variant(cn->value);
- constant.expression = cn;
+ enum_value_expr = alloc_node<ConstantNode>();
+ enum_value_expr->value = last_assign;
+ enum_value_expr->datatype = _type_from_variant(enum_value_expr->value);
}
if (tokenizer->get_token() == GDScriptTokenizer::TK_COMMA) {
@@ -4890,14 +4924,29 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
}
if (enum_name != "") {
- const ConstantNode *cn = static_cast<const ConstantNode *>(constant.expression);
- enum_dict[const_id] = cn->value;
- }
+ enum_dict[const_id] = enum_value_expr->value;
+ } else {
+ if (current_class->constant_expressions.has(const_id)) {
+ _set_error("A constant named '" + String(const_id) + "' already exists in this class (at line: " +
+ itos(current_class->constant_expressions[const_id].expression->line) + ").");
+ return;
+ }
- constant.type.has_type = true;
- constant.type.kind = DataType::BUILTIN;
- constant.type.builtin_type = Variant::INT;
- p_class->constant_expressions.insert(const_id, constant);
+ for (int i = 0; i < current_class->variables.size(); i++) {
+ if (current_class->variables[i].identifier == const_id) {
+ _set_error("A variable named '" + String(const_id) + "' already exists in this class (at line: " +
+ itos(current_class->variables[i].line) + ").");
+ return;
+ }
+ }
+
+ ClassNode::Constant constant;
+ constant.type.has_type = true;
+ constant.type.kind = DataType::BUILTIN;
+ constant.type.builtin_type = Variant::INT;
+ constant.expression = enum_value_expr;
+ p_class->constant_expressions.insert(const_id, constant);
+ }
}
}
@@ -5046,7 +5095,7 @@ void GDScriptParser::_determine_inheritance(ClassNode *p_class) {
if (found) continue;
if (p->constant_expressions.has(base)) {
- if (!p->constant_expressions[base].expression->type == Node::TYPE_CONSTANT) {
+ if (p->constant_expressions[base].expression->type != Node::TYPE_CONSTANT) {
_set_error("Could not resolve constant '" + base + "'.", p_class->line);
return;
}
@@ -5186,6 +5235,8 @@ String GDScriptParser::DataType::to_string() const {
}
return class_type->name.operator String();
} break;
+ case UNRESOLVED: {
+ } break;
}
return "Unresolved";
@@ -5758,7 +5809,10 @@ bool GDScriptParser::_is_type_compatible(const DataType &p_container, const Data
expr_native = base->base_type.native_type;
expr_script = base->base_type.script_type;
}
- }
+ } break;
+ case DataType::BUILTIN: // Already handled above
+ case DataType::UNRESOLVED: // Not allowed, see above
+ break;
}
switch (p_container.kind) {
@@ -5801,7 +5855,10 @@ bool GDScriptParser::_is_type_compatible(const DataType &p_container, const Data
expr_class = expr_class->base_type.class_type;
}
return false;
- }
+ } break;
+ case DataType::BUILTIN: // Already handled above
+ case DataType::UNRESOLVED: // Not allowed, see above
+ break;
}
return false;
@@ -6195,6 +6252,7 @@ GDScriptParser::DataType GDScriptParser::_reduce_node_type(Node *p_node) {
case Variant::COLOR: {
error = index_type.builtin_type != Variant::INT && index_type.builtin_type != Variant::STRING;
} break;
+ default: {}
}
}
if (error) {
@@ -6312,6 +6370,7 @@ GDScriptParser::DataType GDScriptParser::_reduce_node_type(Node *p_node) {
}
}
} break;
+ default: {}
}
p_node->set_datatype(_resolve_type(node_type, p_node->line));
@@ -6373,6 +6432,10 @@ bool GDScriptParser::_get_function_signature(DataType &p_base_type, const String
StringName native;
if (p_base_type.kind == DataType::GDSCRIPT) {
base_gdscript = p_base_type.script_type;
+ if (base_gdscript.is_null() || !base_gdscript->is_valid()) {
+ // GDScript wasn't properly compíled, don't bother trying
+ return false;
+ }
} else if (p_base_type.kind == DataType::SCRIPT) {
base_script = p_base_type.script_type;
} else if (p_base_type.kind == DataType::NATIVE) {
@@ -6413,6 +6476,12 @@ bool GDScriptParser::_get_function_signature(DataType &p_base_type, const String
base_script = base_script->get_base_script();
}
+ if (native == StringName()) {
+ // Empty native class, might happen in some Script implementations
+ // Just ignore it
+ return false;
+ }
+
#ifdef DEBUG_METHODS_ENABLED
// Only native remains
@@ -6664,9 +6733,15 @@ GDScriptParser::DataType GDScriptParser::_reduce_function_call_type(const Operat
}
}
+ bool rets = false;
return_type.has_type = true;
return_type.kind = DataType::BUILTIN;
- return_type.builtin_type = Variant::get_method_return_type(base_type.builtin_type, callee_name);
+ return_type.builtin_type = Variant::get_method_return_type(base_type.builtin_type, callee_name, &rets);
+ // If the method returns, but it might return any type, (Variant::NIL), pretend we don't know the type.
+ // At least make sure we know that it returns
+ if (rets && return_type.builtin_type == Variant::NIL) {
+ return_type.has_type = false;
+ }
break;
}
@@ -6849,6 +6924,10 @@ bool GDScriptParser::_get_member_type(const DataType &p_base_type, const StringN
Ref<GDScript> gds;
if (base_type.kind == DataType::GDSCRIPT) {
gds = base_type.script_type;
+ if (gds.is_null() || !gds->is_valid()) {
+ // GDScript wasn't properly compíled, don't bother trying
+ return false;
+ }
}
Ref<Script> scr;
@@ -6911,6 +6990,12 @@ bool GDScriptParser::_get_member_type(const DataType &p_base_type, const StringN
scr = scr->get_base_script();
}
+ if (native == StringName()) {
+ // Empty native class, might happen in some Script implementations
+ // Just ignore it
+ return false;
+ }
+
// Check ClassDB
if (!ClassDB::class_exists(native)) {
native = "_" + native.operator String();
@@ -7029,7 +7114,6 @@ GDScriptParser::DataType GDScriptParser::_reduce_identifier_type(const DataType
DataType member_type;
for (int i = 0; i < current_class->variables.size(); i++) {
- ClassNode::Member m = current_class->variables[i];
if (current_class->variables[i].identifier == p_identifier) {
member_type = current_class->variables[i].data_type;
current_class->variables.write[i].usages += 1;
@@ -7201,6 +7285,12 @@ void GDScriptParser::_check_class_level_types(ClassNode *p_class) {
expr.is_constant = true;
c.type = expr;
c.expression->set_datatype(expr);
+
+ DataType tmp;
+ if (_get_member_type(p_class->base_type, E->key(), tmp)) {
+ _set_error("Member '" + String(E->key()) + "' already exists in parent class.", c.expression->line);
+ return;
+ }
}
// Function declarations
@@ -7243,7 +7333,7 @@ void GDScriptParser::_check_class_level_types(ClassNode *p_class) {
return;
}
- // Replace assigment with implict conversion
+ // Replace assignment with implict conversion
BuiltInFunctionNode *convert = alloc_node<BuiltInFunctionNode>();
convert->line = v.line;
convert->function = GDScriptFunctions::TYPE_CONVERT;
@@ -7621,7 +7711,7 @@ void GDScriptParser::_check_block_types(BlockNode *p_block) {
lv->line);
return;
}
- // Replace assigment with implict conversion
+ // Replace assignment with implict conversion
BuiltInFunctionNode *convert = alloc_node<BuiltInFunctionNode>();
convert->line = lv->line;
convert->function = GDScriptFunctions::TYPE_CONVERT;
@@ -7749,7 +7839,7 @@ void GDScriptParser::_check_block_types(BlockNode *p_block) {
op->line);
return;
}
- // Replace assigment with implict conversion
+ // Replace assignment with implict conversion
BuiltInFunctionNode *convert = alloc_node<BuiltInFunctionNode>();
convert->line = op->line;
convert->function = GDScriptFunctions::TYPE_CONVERT;
@@ -7786,7 +7876,7 @@ void GDScriptParser::_check_block_types(BlockNode *p_block) {
// Figure out function name for warning
String func_name = _find_function_name(op);
if (func_name.empty()) {
- func_name == "<undetected name>";
+ func_name = "<undetected name>";
}
_add_warning(GDScriptWarning::RETURN_VALUE_DISCARDED, op->line, func_name);
}