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// Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#pragma once
#include "CPlusPlusForwardDeclarations.h"
#include "ASTfwd.h"
#include "Token.h"
#include "DiagnosticClient.h"
#include <cstdio>
#include <unordered_map>
#include <vector>
namespace CPlusPlus {
class CPLUSPLUS_EXPORT TranslationUnit
{
TranslationUnit(const TranslationUnit &other);
void operator =(const TranslationUnit &other);
public:
TranslationUnit(Control *control, const StringLiteral *fileId);
~TranslationUnit();
Control *control() const;
const StringLiteral *fileId() const;
const char *fileName() const;
int fileNameLength() const;
const char *firstSourceChar() const;
const char *lastSourceChar() const;
int sourceLength() const;
void setSource(const char *source, int size);
int tokenCount() const { return _tokens ? int(_tokens->size()) : 0; }
const Token &tokenAt(int index) const
{ return _tokens && index < tokenCount() ? (*_tokens)[index] : nullToken; }
Kind tokenKind(int index) const { return tokenAt(index).kind(); }
const char *spell(int index) const;
int commentCount() const;
const Token &commentAt(int index) const;
int matchingBrace(int index) const;
const Identifier *identifier(int index) const;
const Literal *literal(int index) const;
const StringLiteral *stringLiteral(int index) const;
const NumericLiteral *numericLiteral(int index) const;
MemoryPool *memoryPool() const;
AST *ast() const;
bool blockErrors() const { return f._blockErrors; }
bool blockErrors(bool block)
{
const bool previous = f._blockErrors;
f._blockErrors = block;
return previous;
}
void warning(int index, const char *fmt, ...);
void error(int index, const char *fmt, ...);
void fatal(int index, const char *fmt, ...);
void message(DiagnosticClient::Level level, int index,
const char *format, va_list ap);
bool isTokenized() const;
void tokenize();
bool skipFunctionBody() const;
void setSkipFunctionBody(bool skipFunctionBody);
bool isParsed() const;
enum ParseMode {
ParseTranlationUnit,
ParseDeclaration,
ParseExpression,
ParseDeclarator,
ParseStatement
};
bool parse(ParseMode mode = ParseTranlationUnit);
void resetAST();
void release();
void getTokenStartPosition(int index, int *line,
int *column = nullptr,
const StringLiteral **fileName = nullptr) const;
void getTokenEndPosition(int index, int *line,
int *column = nullptr,
const StringLiteral **fileName = nullptr) const;
void getPosition(int utf16charOffset,
int *line,
int *column = nullptr,
const StringLiteral **fileName = nullptr) const;
void getTokenPosition(int index,
int *line,
int *column = nullptr,
const StringLiteral **fileName = nullptr) const;
void pushLineOffset(int offset);
void pushPreprocessorLine(int utf16charOffset,
int line,
const StringLiteral *fileName);
int findPreviousLineOffset(int tokenIndex) const;
bool maybeSplitGreaterGreaterToken(int tokenIndex);
LanguageFeatures languageFeatures() const { return _languageFeatures; }
void setLanguageFeatures(LanguageFeatures features) { _languageFeatures = features; }
private:
struct PPLine {
int utf16charOffset;
int line;
const StringLiteral *fileName;
PPLine(int utf16charOffset = 0,
int line = 0,
const StringLiteral *fileName = nullptr)
: utf16charOffset(utf16charOffset), line(line), fileName(fileName)
{ }
bool operator == (const PPLine &other) const
{ return utf16charOffset == other.utf16charOffset; }
bool operator != (const PPLine &other) const
{ return utf16charOffset != other.utf16charOffset; }
bool operator < (const PPLine &other) const
{ return utf16charOffset < other.utf16charOffset; }
};
void releaseTokensAndComments();
int findLineNumber(int utf16charOffset) const;
int findColumnNumber(int utf16CharOffset, int lineNumber) const;
PPLine findPreprocessorLine(int utf16charOffset) const;
static const Token nullToken;
Control *_control;
const StringLiteral *_fileId;
const char *_firstSourceChar;
const char *_lastSourceChar;
std::vector<Token> *_tokens;
std::vector<Token> *_comments;
std::vector<int> _lineOffsets;
std::vector<PPLine> _ppLines;
typedef std::unordered_map<unsigned, std::pair<int, int> > TokenLineColumn;
TokenLineColumn _expandedLineColumn;
MemoryPool *_pool;
AST *_ast;
TranslationUnit *_previousTranslationUnit;
struct Flags {
unsigned _tokenized: 1;
unsigned _parsed: 1;
unsigned _blockErrors: 1;
unsigned _skipFunctionBody: 1;
};
union {
unsigned _flags;
Flags f;
};
LanguageFeatures _languageFeatures;
};
} // namespace CPlusPlus
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