michael@0: //
michael@0: // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: #ifndef COMPILER_PREPROCESSOR_DIAGNOSTICS_H_
michael@0: #define COMPILER_PREPROCESSOR_DIAGNOSTICS_H_
michael@0: 
michael@0: #include <string>
michael@0: 
michael@0: // Windows.h #defines ERROR.
michael@0: #ifdef ERROR
michael@0: #undef ERROR
michael@0: #endif
michael@0: 
michael@0: namespace pp
michael@0: {
michael@0: 
michael@0: struct SourceLocation;
michael@0: 
michael@0: // Base class for reporting diagnostic messages.
michael@0: // Derived classes are responsible for formatting and printing the messages.
michael@0: class Diagnostics
michael@0: {
michael@0:   public:
michael@0:     enum Severity
michael@0:     {
michael@0:         ERROR,
michael@0:         WARNING
michael@0:     };
michael@0:     enum ID
michael@0:     {
michael@0:         ERROR_BEGIN,
michael@0:         INTERNAL_ERROR,
michael@0:         OUT_OF_MEMORY,
michael@0:         INVALID_CHARACTER,
michael@0:         INVALID_NUMBER,
michael@0:         INTEGER_OVERFLOW,
michael@0:         FLOAT_OVERFLOW,
michael@0:         TOKEN_TOO_LONG,
michael@0:         INVALID_EXPRESSION,
michael@0:         DIVISION_BY_ZERO,
michael@0:         EOF_IN_COMMENT,
michael@0:         UNEXPECTED_TOKEN,
michael@0:         DIRECTIVE_INVALID_NAME,
michael@0:         MACRO_NAME_RESERVED,
michael@0:         MACRO_REDEFINED,
michael@0:         MACRO_PREDEFINED_REDEFINED,
michael@0:         MACRO_PREDEFINED_UNDEFINED,
michael@0:         MACRO_UNTERMINATED_INVOCATION,
michael@0:         MACRO_TOO_FEW_ARGS,
michael@0:         MACRO_TOO_MANY_ARGS,
michael@0:         CONDITIONAL_ENDIF_WITHOUT_IF,
michael@0:         CONDITIONAL_ELSE_WITHOUT_IF,
michael@0:         CONDITIONAL_ELSE_AFTER_ELSE,
michael@0:         CONDITIONAL_ELIF_WITHOUT_IF,
michael@0:         CONDITIONAL_ELIF_AFTER_ELSE,
michael@0:         CONDITIONAL_UNTERMINATED,
michael@0:         INVALID_EXTENSION_NAME,
michael@0:         INVALID_EXTENSION_BEHAVIOR,
michael@0:         INVALID_EXTENSION_DIRECTIVE,
michael@0:         INVALID_VERSION_NUMBER,
michael@0:         INVALID_VERSION_DIRECTIVE,
michael@0:         VERSION_NOT_FIRST_STATEMENT,
michael@0:         INVALID_LINE_NUMBER,
michael@0:         INVALID_FILE_NUMBER,
michael@0:         INVALID_LINE_DIRECTIVE,
michael@0:         ERROR_END,
michael@0: 
michael@0:         WARNING_BEGIN,
michael@0:         EOF_IN_DIRECTIVE,
michael@0:         CONDITIONAL_UNEXPECTED_TOKEN,
michael@0:         UNRECOGNIZED_PRAGMA,
michael@0:         WARNING_END
michael@0:     };
michael@0: 
michael@0:     virtual ~Diagnostics();
michael@0: 
michael@0:     void report(ID id, const SourceLocation& loc, const std::string& text);
michael@0: 
michael@0:   protected:
michael@0:     Severity severity(ID id);
michael@0:     std::string message(ID id);
michael@0: 
michael@0:     virtual void print(ID id,
michael@0:                        const SourceLocation& loc,
michael@0:                        const std::string& text) = 0;
michael@0: };
michael@0: 
michael@0: }  // namespace pp
michael@0: #endif  // COMPILER_PREPROCESSOR_DIAGNOSTICS_H_