diff options
Diffstat (limited to 'modules/visual_script/visual_script_expression.cpp')
-rw-r--r-- | modules/visual_script/visual_script_expression.cpp | 83 |
1 files changed, 60 insertions, 23 deletions
diff --git a/modules/visual_script/visual_script_expression.cpp b/modules/visual_script/visual_script_expression.cpp index f673cbb06d..fef159bf87 100644 --- a/modules/visual_script/visual_script_expression.cpp +++ b/modules/visual_script/visual_script_expression.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -136,7 +136,7 @@ void VisualScriptExpression::_get_property_list(List<PropertyInfo> *p_list) cons argt += "," + Variant::get_type_name(Variant::Type(i)); } - p_list->push_back(PropertyInfo(Variant::STRING, "expression", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR)); + p_list->push_back(PropertyInfo(Variant::STRING, "expression", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR)); p_list->push_back(PropertyInfo(Variant::INT, "out_type", PROPERTY_HINT_ENUM, argt)); p_list->push_back(PropertyInfo(Variant::INT, "input_count", PROPERTY_HINT_RANGE, "0,64,1")); p_list->push_back(PropertyInfo(Variant::BOOL, "sequenced")); @@ -176,7 +176,7 @@ PropertyInfo VisualScriptExpression::get_output_value_port_info(int p_idx) const } String VisualScriptExpression::get_caption() const { - return "Expression"; + return RTR("Expression"); } String VisualScriptExpression::get_text() const { @@ -328,6 +328,7 @@ Error VisualScriptExpression::_get_token(Token &r_token) { }; case '"': { String str; + char32_t prev = 0; while (true) { char32_t ch = GET_CHAR(); @@ -364,9 +365,11 @@ Error VisualScriptExpression::_get_token(Token &r_token) { case 'r': res = 13; break; + case 'U': case 'u': { - // hex number - for (int j = 0; j < 4; j++) { + // Hexadecimal sequence. + int hex_len = (next == 'U') ? 6 : 4; + for (int j = 0; j < hex_len; j++) { char32_t c = GET_CHAR(); if (c == 0) { @@ -374,13 +377,13 @@ Error VisualScriptExpression::_get_token(Token &r_token) { r_token.type = TK_ERROR; return ERR_PARSE_ERROR; } - if (!((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'))) { + if (!is_hex_digit(c)) { _set_error("Malformed hex constant in string"); r_token.type = TK_ERROR; return ERR_PARSE_ERROR; } char32_t v; - if (c >= '0' && c <= '9') { + if (is_digit(c)) { v = c - '0'; } else if (c >= 'a' && c <= 'f') { v = c - 'a'; @@ -403,12 +406,46 @@ Error VisualScriptExpression::_get_token(Token &r_token) { } break; } + // Parse UTF-16 pair. + if ((res & 0xfffffc00) == 0xd800) { + if (prev == 0) { + prev = res; + continue; + } else { + _set_error("Invalid UTF-16 sequence in string, unpaired lead surrogate"); + r_token.type = TK_ERROR; + return ERR_PARSE_ERROR; + } + } else if ((res & 0xfffffc00) == 0xdc00) { + if (prev == 0) { + _set_error("Invalid UTF-16 sequence in string, unpaired trail surrogate"); + r_token.type = TK_ERROR; + return ERR_PARSE_ERROR; + } else { + res = (prev << 10UL) + res - ((0xd800 << 10UL) + 0xdc00 - 0x10000); + prev = 0; + } + } + if (prev != 0) { + _set_error("Invalid UTF-16 sequence in string, unpaired lead surrogate"); + r_token.type = TK_ERROR; + return ERR_PARSE_ERROR; + } str += res; - } else { + if (prev != 0) { + _set_error("Invalid UTF-16 sequence in string, unpaired lead surrogate"); + r_token.type = TK_ERROR; + return ERR_PARSE_ERROR; + } str += ch; } } + if (prev != 0) { + _set_error("Invalid UTF-16 sequence in string, unpaired lead surrogate"); + r_token.type = TK_ERROR; + return ERR_PARSE_ERROR; + } r_token.type = TK_CONSTANT; r_token.value = str; @@ -420,7 +457,7 @@ Error VisualScriptExpression::_get_token(Token &r_token) { break; } - if (cchar >= '0' && cchar <= '9') { + if (is_digit(cchar)) { //a number String num; @@ -439,7 +476,7 @@ Error VisualScriptExpression::_get_token(Token &r_token) { while (true) { switch (reading) { case READING_INT: { - if (c >= '0' && c <= '9') { + if (is_digit(c)) { //pass } else if (c == '.') { reading = READING_DEC; @@ -452,7 +489,7 @@ Error VisualScriptExpression::_get_token(Token &r_token) { } break; case READING_DEC: { - if (c >= '0' && c <= '9') { + if (is_digit(c)) { } else if (c == 'e') { reading = READING_EXP; @@ -462,7 +499,7 @@ Error VisualScriptExpression::_get_token(Token &r_token) { } break; case READING_EXP: { - if (c >= '0' && c <= '9') { + if (is_digit(c)) { exp_beg = true; } else if ((c == '-' || c == '+') && !exp_sign && !exp_beg) { @@ -495,11 +532,11 @@ Error VisualScriptExpression::_get_token(Token &r_token) { } return OK; - } else if ((cchar >= 'A' && cchar <= 'Z') || (cchar >= 'a' && cchar <= 'z') || cchar == '_') { + } else if (is_ascii_char(cchar) || cchar == '_') { String id; bool first = true; - while ((cchar >= 'A' && cchar <= 'Z') || (cchar >= 'a' && cchar <= 'z') || cchar == '_' || (!first && cchar >= '0' && cchar <= '9')) { + while (is_ascii_char(cchar) || cchar == '_' || (!first && is_digit(cchar))) { id += String::chr(cchar); cchar = GET_CHAR(); first = false; @@ -526,10 +563,10 @@ Error VisualScriptExpression::_get_token(Token &r_token) { r_token.value = Math_TAU; } else if (id == "INF") { r_token.type = TK_CONSTANT; - r_token.value = Math_INF; + r_token.value = INFINITY; } else if (id == "NAN") { r_token.type = TK_CONSTANT; - r_token.value = Math_NAN; + r_token.value = NAN; } else if (id == "not") { r_token.type = TK_OP_NOT; } else if (id == "or") { @@ -1054,7 +1091,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { } } - /* Reduce the set set of expressions and place them in an operator tree, respecting precedence */ + /* Reduce the set of expressions and place them in an operator tree, respecting precedence */ while (expression.size() > 1) { int next_op = -1; @@ -1190,7 +1227,7 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { op->nodes[1] = nullptr; expression.write[i].is_op = false; expression.write[i].node = op; - expression.remove(i + 1); + expression.remove_at(i + 1); } } else { @@ -1222,8 +1259,8 @@ VisualScriptExpression::ENode *VisualScriptExpression::_parse_expression() { //replace all 3 nodes by this operator and make it an expression expression.write[next_op - 1].node = op; - expression.remove(next_op); - expression.remove(next_op); + expression.remove_at(next_op); + expression.remove_at(next_op); } } @@ -1463,7 +1500,7 @@ public: argp.write[i] = &arr[i]; } - base.call(call->method, (const Variant **)argp.ptr(), argp.size(), r_ret, ce); + base.callp(call->method, (const Variant **)argp.ptr(), argp.size(), r_ret, ce); if (ce.error != Callable::CallError::CALL_OK) { r_error_str = "On call to '" + String(call->method) + "':"; @@ -1498,7 +1535,7 @@ public: } }; -VisualScriptNodeInstance *VisualScriptExpression::instance(VisualScriptInstance *p_instance) { +VisualScriptNodeInstance *VisualScriptExpression::instantiate(VisualScriptInstance *p_instance) { _compile_expression(); VisualScriptNodeInstanceExpression *instance = memnew(VisualScriptNodeInstanceExpression); instance->instance = p_instance; |