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// Copyright 2017 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COMPILER_PREPROCESSOR_DIAGNOSTICSBASE_H_
#define COMPILER_PREPROCESSOR_DIAGNOSTICSBASE_H_
#include <string>
namespace pp
{
struct SourceLocation;
// Base class for reporting diagnostic messages.
// Derived classes are responsible for formatting and printing the messages.
class Diagnostics
{
public:
// Severity is used to classify info log messages.
enum Severity
{
PP_WARNING,
PP_ERROR
};
enum ID
{
PP_ERROR_BEGIN,
PP_INTERNAL_ERROR,
PP_OUT_OF_MEMORY,
PP_INVALID_CHARACTER,
PP_INVALID_NUMBER,
PP_INTEGER_OVERFLOW,
PP_FLOAT_OVERFLOW,
PP_TOKEN_TOO_LONG,
PP_INVALID_EXPRESSION,
PP_DIVISION_BY_ZERO,
PP_EOF_IN_COMMENT,
PP_UNEXPECTED_TOKEN,
PP_DIRECTIVE_INVALID_NAME,
PP_MACRO_NAME_RESERVED,
PP_MACRO_REDEFINED,
PP_MACRO_PREDEFINED_REDEFINED,
PP_MACRO_PREDEFINED_UNDEFINED,
PP_MACRO_UNTERMINATED_INVOCATION,
PP_MACRO_UNDEFINED_WHILE_INVOKED,
PP_MACRO_TOO_FEW_ARGS,
PP_MACRO_TOO_MANY_ARGS,
PP_MACRO_DUPLICATE_PARAMETER_NAMES,
PP_MACRO_INVOCATION_CHAIN_TOO_DEEP,
PP_CONDITIONAL_ENDIF_WITHOUT_IF,
PP_CONDITIONAL_ELSE_WITHOUT_IF,
PP_CONDITIONAL_ELSE_AFTER_ELSE,
PP_CONDITIONAL_ELIF_WITHOUT_IF,
PP_CONDITIONAL_ELIF_AFTER_ELSE,
PP_CONDITIONAL_UNTERMINATED,
PP_CONDITIONAL_UNEXPECTED_TOKEN,
PP_INVALID_EXTENSION_NAME,
PP_INVALID_EXTENSION_BEHAVIOR,
PP_INVALID_EXTENSION_DIRECTIVE,
PP_INVALID_VERSION_NUMBER,
PP_INVALID_VERSION_DIRECTIVE,
PP_VERSION_NOT_FIRST_STATEMENT,
PP_VERSION_NOT_FIRST_LINE_ESSL3,
PP_INVALID_LINE_NUMBER,
PP_INVALID_FILE_NUMBER,
PP_INVALID_LINE_DIRECTIVE,
PP_NON_PP_TOKEN_BEFORE_EXTENSION_ESSL3,
PP_UNDEFINED_SHIFT,
PP_TOKENIZER_ERROR,
PP_ERROR_END,
PP_WARNING_BEGIN,
PP_EOF_IN_DIRECTIVE,
PP_UNRECOGNIZED_PRAGMA,
PP_NON_PP_TOKEN_BEFORE_EXTENSION_ESSL1,
PP_WARNING_MACRO_NAME_RESERVED,
PP_WARNING_END
};
virtual ~Diagnostics();
void report(ID id, const SourceLocation &loc, const std::string &text);
protected:
bool isError(ID id);
const char *message(ID id);
Severity severity(ID id);
virtual void print(ID id, const SourceLocation &loc, const std::string &text) = 0;
};
} // namespace pp
#endif // COMPILER_PREPROCESSOR_DIAGNOSTICSBASE_H_