diff options
Diffstat (limited to 'modules/mono/editor/script_class_parser.cpp')
| -rw-r--r-- | modules/mono/editor/script_class_parser.cpp | 136 |
1 files changed, 96 insertions, 40 deletions
diff --git a/modules/mono/editor/script_class_parser.cpp b/modules/mono/editor/script_class_parser.cpp index 43de8df2b2..bc8eed81cf 100644 --- a/modules/mono/editor/script_class_parser.cpp +++ b/modules/mono/editor/script_class_parser.cpp @@ -5,6 +5,30 @@ #include "../utils/string_utils.h" +const char *ScriptClassParser::token_names[ScriptClassParser::TK_MAX] = { + "[", + "]", + "{", + "}", + ".", + ":", + ",", + "Symbol", + "Identifier", + "String", + "Number", + "<", + ">", + "EOF", + "Error" +}; + +String ScriptClassParser::get_token_name(ScriptClassParser::Token p_token) { + + ERR_FAIL_INDEX_V(p_token, TK_MAX, "<error>"); + return token_names[p_token]; +} + ScriptClassParser::Token ScriptClassParser::get_token() { while (true) { @@ -203,7 +227,7 @@ ScriptClassParser::Token ScriptClassParser::get_token() { } } -Error ScriptClassParser::_skip_type_parameters() { +Error ScriptClassParser::_skip_generic_type_params() { Token tk; @@ -213,68 +237,100 @@ Error ScriptClassParser::_skip_type_parameters() { if (tk == TK_IDENTIFIER) { tk = get_token(); + if (tk == TK_PERIOD) { + while (true) { + tk = get_token(); + + if (tk != TK_IDENTIFIER) { + error_str = "Expected " + get_token_name(TK_IDENTIFIER) + ", found: " + get_token_name(tk); + error = true; + return ERR_PARSE_ERROR; + } + + tk = get_token(); + + if (tk != TK_PERIOD) + break; + } + } + if (tk == TK_OP_LESS) { - Error err = _skip_type_parameters(); + Error err = _skip_generic_type_params(); if (err) return err; continue; } else if (tk != TK_COMMA) { - error_str = "Unexpected token: " + itos(tk); + error_str = "Unexpected token: " + get_token_name(tk); error = true; return ERR_PARSE_ERROR; } } else if (tk == TK_OP_LESS) { - error_str = "Expected identifier before `<`."; + error_str = "Expected " + get_token_name(TK_IDENTIFIER) + ", found " + get_token_name(TK_OP_LESS); error = true; return ERR_PARSE_ERROR; } else if (tk == TK_OP_GREATER) { return OK; } else { - error_str = "Unexpected token: " + itos(tk); + error_str = "Unexpected token: " + get_token_name(tk); error = true; return ERR_PARSE_ERROR; } } } -Error ScriptClassParser::_parse_class_base(Vector<String> &r_base) { +Error ScriptClassParser::_parse_type_full_name(String &r_full_name) { - Token tk; + Token tk = get_token(); - while (true) { - tk = get_token(); + if (tk != TK_IDENTIFIER) { + error_str = "Expected " + get_token_name(TK_IDENTIFIER) + ", found: " + get_token_name(tk); + error = true; + return ERR_PARSE_ERROR; + } - if (tk == TK_IDENTIFIER) { - bool generic = false; + r_full_name += String(value); - String name = value; + if (code[idx] != '.') // We only want to take the next token if it's a period + return OK; - tk = get_token(); + tk = get_token(); - if (tk == TK_OP_LESS) { - generic = true; - Error err = _skip_type_parameters(); - if (err) - return err; - } else if (tk == TK_COMMA) { - Error err = _parse_class_base(r_base); - if (err) - return err; - } else if (tk != TK_CURLY_BRACKET_OPEN) { - error_str = "Unexpected token: " + itos(tk); - error = true; - return ERR_PARSE_ERROR; - } + CRASH_COND(tk != TK_PERIOD); // Assertion - r_base.push_back(!generic ? name : String()); // no generics, please + r_full_name += "."; - return OK; - } else { - error_str = "Unexpected token: " + itos(tk); - error = true; - return ERR_PARSE_ERROR; - } + return _parse_type_full_name(r_full_name); +} + +Error ScriptClassParser::_parse_class_base(Vector<String> &r_base) { + + String name; + + Error err = _parse_type_full_name(name); + if (err) + return err; + + Token tk = get_token(); + + if (tk == TK_OP_LESS) { + // We don't add it to the base list if it's generic + Error err = _skip_generic_type_params(); + if (err) + return err; + } else if (tk == TK_COMMA) { + Error err = _parse_class_base(r_base); + if (err) + return err; + r_base.push_back(name); + } else if (tk == TK_CURLY_BRACKET_OPEN) { + r_base.push_back(name); + } else { + error_str = "Unexpected token: " + get_token_name(tk); + error = true; + return ERR_PARSE_ERROR; } + + return OK; } Error ScriptClassParser::_parse_namespace_name(String &r_name, int &r_curly_stack) { @@ -284,7 +340,7 @@ Error ScriptClassParser::_parse_namespace_name(String &r_name, int &r_curly_stac if (tk == TK_IDENTIFIER) { r_name += String(value); } else { - error_str = "Unexpected token: " + itos(tk); + error_str = "Unexpected token: " + get_token_name(tk); error = true; return ERR_PARSE_ERROR; } @@ -298,7 +354,7 @@ Error ScriptClassParser::_parse_namespace_name(String &r_name, int &r_curly_stac r_curly_stack++; return OK; } else { - error_str = "Unexpected token: " + itos(tk); + error_str = "Unexpected token: " + get_token_name(tk); error = true; return ERR_PARSE_ERROR; } @@ -366,11 +422,11 @@ Error ScriptClassParser::parse(const String &p_code) { } else if (tk == TK_OP_LESS && !generic) { generic = true; - Error err = _skip_type_parameters(); + Error err = _skip_generic_type_params(); if (err) return err; } else { - error_str = "Unexpected token: " + itos(tk); + error_str = "Unexpected token: " + get_token_name(tk); error = true; return ERR_PARSE_ERROR; } @@ -400,7 +456,7 @@ Error ScriptClassParser::parse(const String &p_code) { name = String(value); } else if (tk == TK_CURLY_BRACKET_OPEN) { if (name.empty()) { - error_str = "Expected identifier after keyword `struct`. Found `{`."; + error_str = "Expected " + get_token_name(TK_IDENTIFIER) + " after keyword `struct`, found " + get_token_name(TK_CURLY_BRACKET_OPEN); error = true; return ERR_PARSE_ERROR; } @@ -409,7 +465,7 @@ Error ScriptClassParser::parse(const String &p_code) { type_curly_stack++; break; } else if (tk == TK_EOF) { - error_str = "Expected `{` after struct decl. Found `EOF`."; + error_str = "Expected " + get_token_name(TK_CURLY_BRACKET_OPEN) + " after struct decl, found " + get_token_name(TK_EOF); error = true; return ERR_PARSE_ERROR; } |