1 // Copyright 2017 The SwiftShader Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef COMPILER_PREPROCESSOR_DIAGNOSTICSBASE_H_ 16 #define COMPILER_PREPROCESSOR_DIAGNOSTICSBASE_H_ 17 18 #include <string> 19 20 namespace pp 21 { 22 23 struct SourceLocation; 24 25 // Base class for reporting diagnostic messages. 26 // Derived classes are responsible for formatting and printing the messages. 27 class Diagnostics 28 { 29 public: 30 // Severity is used to classify info log messages. 31 enum Severity 32 { 33 PP_WARNING, 34 PP_ERROR 35 }; 36 37 enum ID 38 { 39 PP_ERROR_BEGIN, 40 PP_INTERNAL_ERROR, 41 PP_OUT_OF_MEMORY, 42 PP_INVALID_CHARACTER, 43 PP_INVALID_NUMBER, 44 PP_INTEGER_OVERFLOW, 45 PP_FLOAT_OVERFLOW, 46 PP_TOKEN_TOO_LONG, 47 PP_INVALID_EXPRESSION, 48 PP_DIVISION_BY_ZERO, 49 PP_EOF_IN_COMMENT, 50 PP_UNEXPECTED_TOKEN, 51 PP_DIRECTIVE_INVALID_NAME, 52 PP_MACRO_NAME_RESERVED, 53 PP_MACRO_REDEFINED, 54 PP_MACRO_PREDEFINED_REDEFINED, 55 PP_MACRO_PREDEFINED_UNDEFINED, 56 PP_MACRO_UNTERMINATED_INVOCATION, 57 PP_MACRO_UNDEFINED_WHILE_INVOKED, 58 PP_MACRO_TOO_FEW_ARGS, 59 PP_MACRO_TOO_MANY_ARGS, 60 PP_MACRO_DUPLICATE_PARAMETER_NAMES, 61 PP_MACRO_INVOCATION_CHAIN_TOO_DEEP, 62 PP_CONDITIONAL_ENDIF_WITHOUT_IF, 63 PP_CONDITIONAL_ELSE_WITHOUT_IF, 64 PP_CONDITIONAL_ELSE_AFTER_ELSE, 65 PP_CONDITIONAL_ELIF_WITHOUT_IF, 66 PP_CONDITIONAL_ELIF_AFTER_ELSE, 67 PP_CONDITIONAL_UNTERMINATED, 68 PP_CONDITIONAL_UNEXPECTED_TOKEN, 69 PP_INVALID_EXTENSION_NAME, 70 PP_INVALID_EXTENSION_BEHAVIOR, 71 PP_INVALID_EXTENSION_DIRECTIVE, 72 PP_INVALID_VERSION_NUMBER, 73 PP_INVALID_VERSION_DIRECTIVE, 74 PP_VERSION_NOT_FIRST_STATEMENT, 75 PP_VERSION_NOT_FIRST_LINE_ESSL3, 76 PP_INVALID_LINE_NUMBER, 77 PP_INVALID_FILE_NUMBER, 78 PP_INVALID_LINE_DIRECTIVE, 79 PP_NON_PP_TOKEN_BEFORE_EXTENSION_ESSL3, 80 PP_UNDEFINED_SHIFT, 81 PP_TOKENIZER_ERROR, 82 PP_ERROR_END, 83 84 PP_WARNING_BEGIN, 85 PP_EOF_IN_DIRECTIVE, 86 PP_UNRECOGNIZED_PRAGMA, 87 PP_NON_PP_TOKEN_BEFORE_EXTENSION_ESSL1, 88 PP_WARNING_MACRO_NAME_RESERVED, 89 PP_WARNING_END 90 }; 91 92 virtual ~Diagnostics(); 93 94 void report(ID id, const SourceLocation &loc, const std::string &text); 95 96 protected: 97 bool isError(ID id); 98 const char *message(ID id); 99 Severity severity(ID id); 100 101 virtual void print(ID id, const SourceLocation &loc, const std::string &text) = 0; 102 }; 103 104 } // namespace pp 105 106 #endif // COMPILER_PREPROCESSOR_DIAGNOSTICSBASE_H_ 107
