diff options
Diffstat (limited to 'modules/visual_script/visual_script_expression.cpp')
| -rw-r--r-- | modules/visual_script/visual_script_expression.cpp | 246 |
1 files changed, 168 insertions, 78 deletions
diff --git a/modules/visual_script/visual_script_expression.cpp b/modules/visual_script/visual_script_expression.cpp index c52315a477..616a621845 100644 --- a/modules/visual_script/visual_script_expression.cpp +++ b/modules/visual_script/visual_script_expression.cpp @@ -386,11 +386,21 @@ Error VisualScriptExpression::_get_token(Token &r_token) { switch (next) { - case 'b': res = 8; break; - case 't': res = 9; break; - case 'n': res = 10; break; - case 'f': res = 12; break; - case 'r': res = 13; break; + case 'b': + res = 8; + break; + case 't': + res = 9; + break; + case 'n': + res = 10; + break; + case 'f': + res = 12; + break; + case 'r': + res = 13; + break; case 'u': { // hex number for (int j = 0; j < 4; j++) { @@ -652,12 +662,12 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { while (true) { //keep appending stuff to expression - ENode *expr = NULL; + ENode *expr = nullptr; Token tk; _get_token(tk); if (error_set) - return NULL; + return nullptr; switch (tk.type) { case TK_CURLY_BRACKET_OPEN: { @@ -675,18 +685,18 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { //parse an expression ENode *expr2 = _parse_expression(); if (!expr2) - return NULL; + return nullptr; dn->dict.push_back(expr2); _get_token(tk); if (tk.type != TK_COLON) { _set_error("Expected ':'"); - return NULL; + return nullptr; } expr2 = _parse_expression(); if (!expr2) - return NULL; + return nullptr; dn->dict.push_back(expr2); @@ -719,7 +729,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { //parse an expression ENode *expr2 = _parse_expression(); if (!expr2) - return NULL; + return nullptr; an->array.push_back(expr2); cofs = str_ofs; @@ -739,11 +749,11 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { //a suexpression ENode *e = _parse_expression(); if (error_set) - return NULL; + return nullptr; _get_token(tk); if (tk.type != TK_PARENTHESIS_CLOSE) { _set_error("Expected ')'"); - return NULL; + return nullptr; } expr = e; @@ -766,7 +776,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { expr = input; } else { _set_error("Invalid input identifier '" + what + "'. For script variables, use self (locals are for inputs)." + what); - return NULL; + return nullptr; } } break; case TK_SELF: { @@ -786,7 +796,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { _get_token(tk); if (tk.type != TK_PARENTHESIS_OPEN) { _set_error("Expected '('"); - return NULL; + return nullptr; } ConstructorNode *constructor = alloc_node<ConstructorNode>(); @@ -803,7 +813,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { //parse an expression ENode *expr2 = _parse_expression(); if (!expr2) - return NULL; + return nullptr; constructor->arguments.push_back(expr2); @@ -827,7 +837,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { _get_token(tk); if (tk.type != TK_PARENTHESIS_OPEN) { _set_error("Expected '('"); - return NULL; + return nullptr; } BuiltinFuncNode *bifunc = alloc_node<BuiltinFuncNode>(); @@ -844,7 +854,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { //parse an expression ENode *expr2 = _parse_expression(); if (!expr2) - return NULL; + return nullptr; bifunc->arguments.push_back(expr2); @@ -886,7 +896,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { default: { _set_error("Expected expression."); - return NULL; + return nullptr; } break; } @@ -896,7 +906,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { int cofs2 = str_ofs; _get_token(tk); if (error_set) - return NULL; + return nullptr; bool done = false; @@ -909,14 +919,14 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { ENode *what = _parse_expression(); if (!what) - return NULL; + return nullptr; index->index = what; _get_token(tk); if (tk.type != TK_BRACKET_CLOSE) { _set_error("Expected ']' at end of index."); - return NULL; + return nullptr; } expr = index; @@ -926,7 +936,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { _get_token(tk); if (tk.type != TK_IDENTIFIER) { _set_error("Expected identifier after '.'"); - return NULL; + return nullptr; } StringName identifier = tk.value; @@ -950,7 +960,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { //parse an expression ENode *expr2 = _parse_expression(); if (!expr2) - return NULL; + return nullptr; func_call->arguments.push_back(expr2); @@ -1000,32 +1010,74 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { int cofs = str_ofs; _get_token(tk); if (error_set) - return NULL; + return nullptr; Variant::Operator op = Variant::OP_MAX; switch (tk.type) { - case TK_OP_IN: op = Variant::OP_IN; break; - case TK_OP_EQUAL: op = Variant::OP_EQUAL; break; - case TK_OP_NOT_EQUAL: op = Variant::OP_NOT_EQUAL; break; - case TK_OP_LESS: op = Variant::OP_LESS; break; - case TK_OP_LESS_EQUAL: op = Variant::OP_LESS_EQUAL; break; - case TK_OP_GREATER: op = Variant::OP_GREATER; break; - case TK_OP_GREATER_EQUAL: op = Variant::OP_GREATER_EQUAL; break; - case TK_OP_AND: op = Variant::OP_AND; break; - case TK_OP_OR: op = Variant::OP_OR; break; - case TK_OP_NOT: op = Variant::OP_NOT; break; - case TK_OP_ADD: op = Variant::OP_ADD; break; - case TK_OP_SUB: op = Variant::OP_SUBTRACT; break; - case TK_OP_MUL: op = Variant::OP_MULTIPLY; break; - case TK_OP_DIV: op = Variant::OP_DIVIDE; break; - case TK_OP_MOD: op = Variant::OP_MODULE; break; - case TK_OP_SHIFT_LEFT: op = Variant::OP_SHIFT_LEFT; break; - case TK_OP_SHIFT_RIGHT: op = Variant::OP_SHIFT_RIGHT; break; - case TK_OP_BIT_AND: op = Variant::OP_BIT_AND; break; - case TK_OP_BIT_OR: op = Variant::OP_BIT_OR; break; - case TK_OP_BIT_XOR: op = Variant::OP_BIT_XOR; break; - case TK_OP_BIT_INVERT: op = Variant::OP_BIT_NEGATE; break; + case TK_OP_IN: + op = Variant::OP_IN; + break; + case TK_OP_EQUAL: + op = Variant::OP_EQUAL; + break; + case TK_OP_NOT_EQUAL: + op = Variant::OP_NOT_EQUAL; + break; + case TK_OP_LESS: + op = Variant::OP_LESS; + break; + case TK_OP_LESS_EQUAL: + op = Variant::OP_LESS_EQUAL; + break; + case TK_OP_GREATER: + op = Variant::OP_GREATER; + break; + case TK_OP_GREATER_EQUAL: + op = Variant::OP_GREATER_EQUAL; + break; + case TK_OP_AND: + op = Variant::OP_AND; + break; + case TK_OP_OR: + op = Variant::OP_OR; + break; + case TK_OP_NOT: + op = Variant::OP_NOT; + break; + case TK_OP_ADD: + op = Variant::OP_ADD; + break; + case TK_OP_SUB: + op = Variant::OP_SUBTRACT; + break; + case TK_OP_MUL: + op = Variant::OP_MULTIPLY; + break; + case TK_OP_DIV: + op = Variant::OP_DIVIDE; + break; + case TK_OP_MOD: + op = Variant::OP_MODULE; + break; + case TK_OP_SHIFT_LEFT: + op = Variant::OP_SHIFT_LEFT; + break; + case TK_OP_SHIFT_RIGHT: + op = Variant::OP_SHIFT_RIGHT; + break; + case TK_OP_BIT_AND: + op = Variant::OP_BIT_AND; + break; + case TK_OP_BIT_OR: + op = Variant::OP_BIT_OR; + break; + case TK_OP_BIT_XOR: + op = Variant::OP_BIT_XOR; + break; + case TK_OP_BIT_INVERT: + op = Variant::OP_BIT_NEGATE; + break; default: { }; } @@ -1074,40 +1126,78 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { unary = true; break; - case Variant::OP_MULTIPLY: priority = 2; break; - case Variant::OP_DIVIDE: priority = 2; break; - case Variant::OP_MODULE: priority = 2; break; + case Variant::OP_MULTIPLY: + priority = 2; + break; + case Variant::OP_DIVIDE: + priority = 2; + break; + case Variant::OP_MODULE: + priority = 2; + break; - case Variant::OP_ADD: priority = 3; break; - case Variant::OP_SUBTRACT: priority = 3; break; + case Variant::OP_ADD: + priority = 3; + break; + case Variant::OP_SUBTRACT: + priority = 3; + break; - case Variant::OP_SHIFT_LEFT: priority = 4; break; - case Variant::OP_SHIFT_RIGHT: priority = 4; break; + case Variant::OP_SHIFT_LEFT: + priority = 4; + break; + case Variant::OP_SHIFT_RIGHT: + priority = 4; + break; - case Variant::OP_BIT_AND: priority = 5; break; - case Variant::OP_BIT_XOR: priority = 6; break; - case Variant::OP_BIT_OR: priority = 7; break; + case Variant::OP_BIT_AND: + priority = 5; + break; + case Variant::OP_BIT_XOR: + priority = 6; + break; + case Variant::OP_BIT_OR: + priority = 7; + break; - case Variant::OP_LESS: priority = 8; break; - case Variant::OP_LESS_EQUAL: priority = 8; break; - case Variant::OP_GREATER: priority = 8; break; - case Variant::OP_GREATER_EQUAL: priority = 8; break; + case Variant::OP_LESS: + priority = 8; + break; + case Variant::OP_LESS_EQUAL: + priority = 8; + break; + case Variant::OP_GREATER: + priority = 8; + break; + case Variant::OP_GREATER_EQUAL: + priority = 8; + break; - case Variant::OP_EQUAL: priority = 8; break; - case Variant::OP_NOT_EQUAL: priority = 8; break; + case Variant::OP_EQUAL: + priority = 8; + break; + case Variant::OP_NOT_EQUAL: + priority = 8; + break; - case Variant::OP_IN: priority = 10; break; + case Variant::OP_IN: + priority = 10; + break; case Variant::OP_NOT: priority = 11; unary = true; break; - case Variant::OP_AND: priority = 12; break; - case Variant::OP_OR: priority = 13; break; + case Variant::OP_AND: + priority = 12; + break; + case Variant::OP_OR: + priority = 13; + break; default: { _set_error("Parser bug, invalid operator in expression: " + itos(expression[i].op)); - return NULL; + return nullptr; } } @@ -1124,7 +1214,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { if (next_op == -1) { _set_error("Yet another parser bug...."); - ERR_FAIL_V(NULL); + ERR_FAIL_V(nullptr); } // OK! create operator.. @@ -1137,7 +1227,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { if (expr_pos == expression.size()) { //can happen.. _set_error("Unexpected end of expression..."); - return NULL; + return nullptr; } } @@ -1147,7 +1237,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { OperatorNode *op = alloc_node<OperatorNode>(); op->op = expression[i].op; op->nodes[0] = expression[i + 1].node; - op->nodes[1] = NULL; + op->nodes[1] = nullptr; expression.write[i].is_op = false; expression.write[i].node = op; expression.remove(i + 1); @@ -1157,7 +1247,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { if (next_op < 1 || next_op >= (expression.size() - 1)) { _set_error("Parser bug..."); - ERR_FAIL_V(NULL); + ERR_FAIL_V(nullptr); } OperatorNode *op = alloc_node<OperatorNode>(); @@ -1166,7 +1256,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { if (expression[next_op - 1].is_op) { _set_error("Parser bug..."); - ERR_FAIL_V(NULL); + ERR_FAIL_V(nullptr); } if (expression[next_op + 1].is_op) { @@ -1176,7 +1266,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { // due to how precedence works, unaries will always disappear first _set_error("Unexpected two consecutive operators."); - return NULL; + return nullptr; } op->nodes[0] = expression[next_op - 1].node; //expression goes as left @@ -1199,8 +1289,8 @@ bool VisualScriptExpression::_compile_expression() { if (nodes) { memdelete(nodes); - nodes = NULL; - root = NULL; + nodes = nullptr; + root = nullptr; } error_str = String(); @@ -1210,11 +1300,11 @@ bool VisualScriptExpression::_compile_expression() { root = _parse_expression(); if (error_set) { - root = NULL; + root = nullptr; if (nodes) { memdelete(nodes); } - nodes = NULL; + nodes = nullptr; return true; } @@ -1478,8 +1568,8 @@ VisualScriptExpression::VisualScriptExpression() { output_type = Variant::NIL; expression_dirty = true; error_set = true; - root = NULL; - nodes = NULL; + root = nullptr; + nodes = nullptr; sequenced = false; } |