diff options
Diffstat (limited to 'modules/gdscript/gdscript_tokenizer.cpp')
-rw-r--r-- | modules/gdscript/gdscript_tokenizer.cpp | 92 |
1 files changed, 91 insertions, 1 deletions
diff --git a/modules/gdscript/gdscript_tokenizer.cpp b/modules/gdscript/gdscript_tokenizer.cpp index 7a4bdd88ba..f5cf1e29f0 100644 --- a/modules/gdscript/gdscript_tokenizer.cpp +++ b/modules/gdscript/gdscript_tokenizer.cpp @@ -156,6 +156,64 @@ const char *GDScriptTokenizer::Token::get_name() const { return token_names[type]; } +bool GDScriptTokenizer::Token::is_identifier() const { + // Note: Most keywords should not be recognized as identifiers. + // These are only exceptions for stuff that already is on the engine's API. + switch (type) { + case IDENTIFIER: + case MATCH: // Used in String.match(). + return true; + default: + return false; + } +} + +bool GDScriptTokenizer::Token::is_node_name() const { + // This is meant to allow keywords with the $ notation, but not as general identifiers. + switch (type) { + case IDENTIFIER: + case AND: + case AS: + case ASSERT: + case AWAIT: + case BREAK: + case BREAKPOINT: + case CLASS_NAME: + case CLASS: + case CONST: + case CONTINUE: + case ELIF: + case ELSE: + case ENUM: + case EXTENDS: + case FOR: + case FUNC: + case IF: + case IN: + case IS: + case MATCH: + case NAMESPACE: + case NOT: + case OR: + case PASS: + case PRELOAD: + case RETURN: + case SELF: + case SIGNAL: + case STATIC: + case SUPER: + case TRAIT: + case UNDERSCORE: + case VAR: + case VOID: + case WHILE: + case YIELD: + return true; + default: + return false; + } +} + String GDScriptTokenizer::get_token_name(Token::Type p_token_type) { ERR_FAIL_INDEX_V_MSG(p_token_type, Token::TK_MAX, "<error>", "Using token type out of the enum."); return token_names[p_token_type]; @@ -563,7 +621,19 @@ GDScriptTokenizer::Token GDScriptTokenizer::number() { } // Allow '_' to be used in a number, for readability. + bool previous_was_underscore = false; while (digit_check_func(_peek()) || _peek() == '_') { + if (_peek() == '_') { + if (previous_was_underscore) { + Token error = make_error(R"(Only one underscore can be used as a numeric separator.)"); + error.start_column = column; + error.leftmost_column = column; + error.end_column = column + 1; + error.rightmost_column = column + 1; + push_error(error); + } + previous_was_underscore = true; + } _advance(); } @@ -614,7 +684,27 @@ GDScriptTokenizer::Token GDScriptTokenizer::number() { _advance(); } // Consume exponent digits. + if (!_is_digit(_peek())) { + Token error = make_error(R"(Expected exponent value after "e".)"); + error.start_column = column; + error.leftmost_column = column; + error.end_column = column + 1; + error.rightmost_column = column + 1; + push_error(error); + } + previous_was_underscore = false; while (_is_digit(_peek()) || _peek() == '_') { + if (_peek() == '_') { + if (previous_was_underscore) { + Token error = make_error(R"(Only one underscore can be used as a numeric separator.)"); + error.start_column = column; + error.leftmost_column = column; + error.end_column = column + 1; + error.rightmost_column = column + 1; + push_error(error); + } + previous_was_underscore = true; + } _advance(); } } @@ -949,7 +1039,7 @@ void GDScriptTokenizer::check_indent() { // First time indenting, choose character now. indent_char = current_indent_char; } else if (current_indent_char != indent_char) { - Token error = make_error(vformat("Used \"%c\" for indentation instead \"%c\" as used before in the file.", String(¤t_indent_char, 1).c_escape(), String(&indent_char, 1).c_escape())); + Token error = make_error(vformat("Used \"%s\" for indentation instead \"%s\" as used before in the file.", String(¤t_indent_char, 1).c_escape(), String(&indent_char, 1).c_escape())); error.start_line = line; error.start_column = 1; error.leftmost_column = 1; |