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Diffstat (limited to 'core/math/expression.cpp')
-rw-r--r--core/math/expression.cpp96
1 files changed, 50 insertions, 46 deletions
diff --git a/core/math/expression.cpp b/core/math/expression.cpp
index 5a90f68b66..26b809e7f2 100644
--- a/core/math/expression.cpp
+++ b/core/math/expression.cpp
@@ -560,7 +560,7 @@ const char *Expression::token_name[TK_MAX] = {
};
Expression::ENode *Expression::_parse_expression() {
- Vector<ExpressionNode> expression;
+ Vector<ExpressionNode> expression_nodes;
while (true) {
//keep appending stuff to expression
@@ -838,14 +838,14 @@ Expression::ENode *Expression::_parse_expression() {
ExpressionNode e;
e.is_op = true;
e.op = Variant::OP_NEGATE;
- expression.push_back(e);
+ expression_nodes.push_back(e);
continue;
} break;
case TK_OP_NOT: {
ExpressionNode e;
e.is_op = true;
e.op = Variant::OP_NOT;
- expression.push_back(e);
+ expression_nodes.push_back(e);
continue;
} break;
@@ -891,7 +891,7 @@ Expression::ENode *Expression::_parse_expression() {
case TK_PERIOD: {
//named indexing or function call
_get_token(tk);
- if (tk.type != TK_IDENTIFIER) {
+ if (tk.type != TK_IDENTIFIER && tk.type != TK_BUILTIN_FUNC) {
_set_error("Expected identifier after '.'");
return nullptr;
}
@@ -960,7 +960,7 @@ Expression::ENode *Expression::_parse_expression() {
ExpressionNode e;
e.is_op = false;
e.node = expr;
- expression.push_back(e);
+ expression_nodes.push_back(e);
}
//ok finally look for an operator
@@ -1054,19 +1054,19 @@ Expression::ENode *Expression::_parse_expression() {
ExpressionNode e;
e.is_op = true;
e.op = op;
- expression.push_back(e);
+ expression_nodes.push_back(e);
}
}
/* Reduce the set of expressions and place them in an operator tree, respecting precedence */
- while (expression.size() > 1) {
+ while (expression_nodes.size() > 1) {
int next_op = -1;
int min_priority = 0xFFFFF;
bool is_unary = false;
- for (int i = 0; i < expression.size(); i++) {
- if (!expression[i].is_op) {
+ for (int i = 0; i < expression_nodes.size(); i++) {
+ if (!expression_nodes[i].is_op) {
continue;
}
@@ -1074,7 +1074,7 @@ Expression::ENode *Expression::_parse_expression() {
bool unary = false;
- switch (expression[i].op) {
+ switch (expression_nodes[i].op) {
case Variant::OP_POWER:
priority = 0;
break;
@@ -1130,7 +1130,7 @@ Expression::ENode *Expression::_parse_expression() {
priority = 14;
break;
default: {
- _set_error("Parser bug, invalid operator in expression: " + itos(expression[i].op));
+ _set_error("Parser bug, invalid operator in expression: " + itos(expression_nodes[i].op));
return nullptr;
}
}
@@ -1153,9 +1153,9 @@ Expression::ENode *Expression::_parse_expression() {
// OK! create operator..
if (is_unary) {
int expr_pos = next_op;
- while (expression[expr_pos].is_op) {
+ while (expression_nodes[expr_pos].is_op) {
expr_pos++;
- if (expr_pos == expression.size()) {
+ if (expr_pos == expression_nodes.size()) {
//can happen..
_set_error("Unexpected end of expression...");
return nullptr;
@@ -1165,29 +1165,29 @@ Expression::ENode *Expression::_parse_expression() {
//consecutively do unary operators
for (int i = expr_pos - 1; i >= next_op; i--) {
OperatorNode *op = alloc_node<OperatorNode>();
- op->op = expression[i].op;
- op->nodes[0] = expression[i + 1].node;
+ op->op = expression_nodes[i].op;
+ op->nodes[0] = expression_nodes[i + 1].node;
op->nodes[1] = nullptr;
- expression.write[i].is_op = false;
- expression.write[i].node = op;
- expression.remove_at(i + 1);
+ expression_nodes.write[i].is_op = false;
+ expression_nodes.write[i].node = op;
+ expression_nodes.remove_at(i + 1);
}
} else {
- if (next_op < 1 || next_op >= (expression.size() - 1)) {
+ if (next_op < 1 || next_op >= (expression_nodes.size() - 1)) {
_set_error("Parser bug...");
ERR_FAIL_V(nullptr);
}
OperatorNode *op = alloc_node<OperatorNode>();
- op->op = expression[next_op].op;
+ op->op = expression_nodes[next_op].op;
- if (expression[next_op - 1].is_op) {
+ if (expression_nodes[next_op - 1].is_op) {
_set_error("Parser bug...");
ERR_FAIL_V(nullptr);
}
- if (expression[next_op + 1].is_op) {
+ if (expression_nodes[next_op + 1].is_op) {
// this is not invalid and can really appear
// but it becomes invalid anyway because no binary op
// can be followed by a unary op in a valid combination,
@@ -1197,17 +1197,17 @@ Expression::ENode *Expression::_parse_expression() {
return nullptr;
}
- op->nodes[0] = expression[next_op - 1].node; //expression goes as left
- op->nodes[1] = expression[next_op + 1].node; //next expression goes as right
+ op->nodes[0] = expression_nodes[next_op - 1].node; //expression goes as left
+ op->nodes[1] = expression_nodes[next_op + 1].node; //next expression goes as right
//replace all 3 nodes by this operator and make it an expression
- expression.write[next_op - 1].node = op;
- expression.remove_at(next_op);
- expression.remove_at(next_op);
+ expression_nodes.write[next_op - 1].node = op;
+ expression_nodes.remove_at(next_op);
+ expression_nodes.remove_at(next_op);
}
}
- return expression[0].node;
+ return expression_nodes[0].node;
}
bool Expression::_compile_expression() {
@@ -1240,7 +1240,7 @@ bool Expression::_compile_expression() {
return false;
}
-bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression::ENode *p_node, Variant &r_ret, String &r_error_str) {
+bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression::ENode *p_node, Variant &r_ret, bool p_const_calls_only, String &r_error_str) {
switch (p_node->type) {
case Expression::ENode::TYPE_INPUT: {
const Expression::InputNode *in = static_cast<const Expression::InputNode *>(p_node);
@@ -1266,7 +1266,7 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
const Expression::OperatorNode *op = static_cast<const Expression::OperatorNode *>(p_node);
Variant a;
- bool ret = _execute(p_inputs, p_instance, op->nodes[0], a, r_error_str);
+ bool ret = _execute(p_inputs, p_instance, op->nodes[0], a, p_const_calls_only, r_error_str);
if (ret) {
return true;
}
@@ -1274,7 +1274,7 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
Variant b;
if (op->nodes[1]) {
- ret = _execute(p_inputs, p_instance, op->nodes[1], b, r_error_str);
+ ret = _execute(p_inputs, p_instance, op->nodes[1], b, p_const_calls_only, r_error_str);
if (ret) {
return true;
}
@@ -1292,14 +1292,14 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
const Expression::IndexNode *index = static_cast<const Expression::IndexNode *>(p_node);
Variant base;
- bool ret = _execute(p_inputs, p_instance, index->base, base, r_error_str);
+ bool ret = _execute(p_inputs, p_instance, index->base, base, p_const_calls_only, r_error_str);
if (ret) {
return true;
}
Variant idx;
- ret = _execute(p_inputs, p_instance, index->index, idx, r_error_str);
+ ret = _execute(p_inputs, p_instance, index->index, idx, p_const_calls_only, r_error_str);
if (ret) {
return true;
}
@@ -1316,7 +1316,7 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
const Expression::NamedIndexNode *index = static_cast<const Expression::NamedIndexNode *>(p_node);
Variant base;
- bool ret = _execute(p_inputs, p_instance, index->base, base, r_error_str);
+ bool ret = _execute(p_inputs, p_instance, index->base, base, p_const_calls_only, r_error_str);
if (ret) {
return true;
}
@@ -1336,7 +1336,7 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
arr.resize(array->array.size());
for (int i = 0; i < array->array.size(); i++) {
Variant value;
- bool ret = _execute(p_inputs, p_instance, array->array[i], value, r_error_str);
+ bool ret = _execute(p_inputs, p_instance, array->array[i], value, p_const_calls_only, r_error_str);
if (ret) {
return true;
@@ -1353,14 +1353,14 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
Dictionary d;
for (int i = 0; i < dictionary->dict.size(); i += 2) {
Variant key;
- bool ret = _execute(p_inputs, p_instance, dictionary->dict[i + 0], key, r_error_str);
+ bool ret = _execute(p_inputs, p_instance, dictionary->dict[i + 0], key, p_const_calls_only, r_error_str);
if (ret) {
return true;
}
Variant value;
- ret = _execute(p_inputs, p_instance, dictionary->dict[i + 1], value, r_error_str);
+ ret = _execute(p_inputs, p_instance, dictionary->dict[i + 1], value, p_const_calls_only, r_error_str);
if (ret) {
return true;
}
@@ -1380,7 +1380,7 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
for (int i = 0; i < constructor->arguments.size(); i++) {
Variant value;
- bool ret = _execute(p_inputs, p_instance, constructor->arguments[i], value, r_error_str);
+ bool ret = _execute(p_inputs, p_instance, constructor->arguments[i], value, p_const_calls_only, r_error_str);
if (ret) {
return true;
@@ -1408,7 +1408,7 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
for (int i = 0; i < bifunc->arguments.size(); i++) {
Variant value;
- bool ret = _execute(p_inputs, p_instance, bifunc->arguments[i], value, r_error_str);
+ bool ret = _execute(p_inputs, p_instance, bifunc->arguments[i], value, p_const_calls_only, r_error_str);
if (ret) {
return true;
}
@@ -1420,7 +1420,7 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
Callable::CallError ce;
Variant::call_utility_function(bifunc->func, &r_ret, (const Variant **)argp.ptr(), argp.size(), ce);
if (ce.error != Callable::CallError::CALL_OK) {
- r_error_str = "Builtin Call Failed. " + Variant::get_call_error_text(bifunc->func, (const Variant **)argp.ptr(), argp.size(), ce);
+ r_error_str = "Builtin call failed: " + Variant::get_call_error_text(bifunc->func, (const Variant **)argp.ptr(), argp.size(), ce);
return true;
}
@@ -1429,7 +1429,7 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
const Expression::CallNode *call = static_cast<const Expression::CallNode *>(p_node);
Variant base;
- bool ret = _execute(p_inputs, p_instance, call->base, base, r_error_str);
+ bool ret = _execute(p_inputs, p_instance, call->base, base, p_const_calls_only, r_error_str);
if (ret) {
return true;
@@ -1442,7 +1442,7 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
for (int i = 0; i < call->arguments.size(); i++) {
Variant value;
- ret = _execute(p_inputs, p_instance, call->arguments[i], value, r_error_str);
+ ret = _execute(p_inputs, p_instance, call->arguments[i], value, p_const_calls_only, r_error_str);
if (ret) {
return true;
@@ -1452,7 +1452,11 @@ bool Expression::_execute(const Array &p_inputs, Object *p_instance, Expression:
}
Callable::CallError ce;
- base.callp(call->method, (const Variant **)argp.ptr(), argp.size(), r_ret, ce);
+ if (p_const_calls_only) {
+ base.call_const(call->method, (const Variant **)argp.ptr(), argp.size(), r_ret, ce);
+ } else {
+ base.callp(call->method, (const Variant **)argp.ptr(), argp.size(), r_ret, ce);
+ }
if (ce.error != Callable::CallError::CALL_OK) {
r_error_str = vformat(RTR("On call to '%s':"), String(call->method));
@@ -1491,13 +1495,13 @@ Error Expression::parse(const String &p_expression, const Vector<String> &p_inpu
return OK;
}
-Variant Expression::execute(Array p_inputs, Object *p_base, bool p_show_error) {
+Variant Expression::execute(Array p_inputs, Object *p_base, bool p_show_error, bool p_const_calls_only) {
ERR_FAIL_COND_V_MSG(error_set, Variant(), "There was previously a parse error: " + error_str + ".");
execution_error = false;
Variant output;
String error_txt;
- bool err = _execute(p_inputs, p_base, root, output, error_txt);
+ bool err = _execute(p_inputs, p_base, root, output, p_const_calls_only, error_txt);
if (err) {
execution_error = true;
error_str = error_txt;
@@ -1517,7 +1521,7 @@ String Expression::get_error_text() const {
void Expression::_bind_methods() {
ClassDB::bind_method(D_METHOD("parse", "expression", "input_names"), &Expression::parse, DEFVAL(Vector<String>()));
- ClassDB::bind_method(D_METHOD("execute", "inputs", "base_instance", "show_error"), &Expression::execute, DEFVAL(Array()), DEFVAL(Variant()), DEFVAL(true));
+ ClassDB::bind_method(D_METHOD("execute", "inputs", "base_instance", "show_error", "const_calls_only"), &Expression::execute, DEFVAL(Array()), DEFVAL(Variant()), DEFVAL(true), DEFVAL(false));
ClassDB::bind_method(D_METHOD("has_execute_failed"), &Expression::has_execute_failed);
ClassDB::bind_method(D_METHOD("get_error_text"), &Expression::get_error_text);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-18 20:55:14 +0000