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Diffstat (limited to 'src/shared/cplusplus/TranslationUnit.cpp')
| -rw-r--r-- | src/shared/cplusplus/TranslationUnit.cpp | 511 |
1 files changed, 0 insertions, 511 deletions
diff --git a/src/shared/cplusplus/TranslationUnit.cpp b/src/shared/cplusplus/TranslationUnit.cpp deleted file mode 100644 index ba6572e7a2..0000000000 --- a/src/shared/cplusplus/TranslationUnit.cpp +++ /dev/null @@ -1,511 +0,0 @@ -/************************************************************************** -** -** This file is part of Qt Creator -** -** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies). -** -** Contact: Nokia Corporation (info@qt.nokia.com) -** -** -** GNU Lesser General Public License Usage -** -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this file. -** Please review the following information to ensure the GNU Lesser General -** Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** Other Usage -** -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** If you have questions regarding the use of this file, please contact -** Nokia at info@qt.nokia.com. -** -**************************************************************************/ -// 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. - -#include "TranslationUnit.h" -#include "Control.h" -#include "Parser.h" -#include "Lexer.h" -#include "MemoryPool.h" -#include "AST.h" -#include "Literals.h" -#include "DiagnosticClient.h" -#include <stack> -#include <cstdarg> -#include <algorithm> - -#ifdef _MSC_VER -# define va_copy(dst, src) ((dst) = (src)) -#elif defined(__INTEL_COMPILER) && !defined(va_copy) -# define va_copy __va_copy -#endif - -using namespace CPlusPlus; - -TranslationUnit::TranslationUnit(Control *control, const StringLiteral *fileId) - : _control(control), - _fileId(fileId), - _firstSourceChar(0), - _lastSourceChar(0), - _pool(0), - _ast(0), - _flags(0) -{ - _tokens = new std::vector<Token>(); - _previousTranslationUnit = control->switchTranslationUnit(this); - _pool = new MemoryPool(); -} - -TranslationUnit::~TranslationUnit() -{ - (void) _control->switchTranslationUnit(_previousTranslationUnit); - delete _tokens; - delete _pool; -} - -bool TranslationUnit::qtMocRunEnabled() const -{ return f._qtMocRunEnabled; } - -void TranslationUnit::setQtMocRunEnabled(bool onoff) -{ f._qtMocRunEnabled = onoff; } - -bool TranslationUnit::cxx0xEnabled() const -{ return f._cxx0xEnabled; } - -void TranslationUnit::setCxxOxEnabled(bool onoff) -{ f._cxx0xEnabled = onoff; } - -bool TranslationUnit::objCEnabled() const -{ return f._objCEnabled; } - -void TranslationUnit::setObjCEnabled(bool onoff) -{ f._objCEnabled = onoff; } - -Control *TranslationUnit::control() const -{ return _control; } - -const StringLiteral *TranslationUnit::fileId() const -{ return _fileId; } - -const char *TranslationUnit::fileName() const -{ return _fileId->chars(); } - -unsigned TranslationUnit::fileNameLength() const -{ return _fileId->size(); } - -const char *TranslationUnit::firstSourceChar() const -{ return _firstSourceChar; } - -const char *TranslationUnit::lastSourceChar() const -{ return _lastSourceChar; } - -unsigned TranslationUnit::sourceLength() const -{ return _lastSourceChar - _firstSourceChar; } - -void TranslationUnit::setSource(const char *source, unsigned size) -{ - _firstSourceChar = source; - _lastSourceChar = source + size; -} - -unsigned TranslationUnit::tokenCount() const -{ return _tokens->size(); } - -const Token &TranslationUnit::tokenAt(unsigned index) const -{ return _tokens->at(index); } - -int TranslationUnit::tokenKind(unsigned index) const -{ return _tokens->at(index).f.kind; } - -const char *TranslationUnit::spell(unsigned index) const -{ - if (! index) - return 0; - - return _tokens->at(index).spell(); -} - -const Identifier *TranslationUnit::identifier(unsigned index) const -{ return _tokens->at(index).identifier; } - -const Literal *TranslationUnit::literal(unsigned index) const -{ return _tokens->at(index).literal; } - -const StringLiteral *TranslationUnit::stringLiteral(unsigned index) const -{ return _tokens->at(index).string; } - -const NumericLiteral *TranslationUnit::numericLiteral(unsigned index) const -{ return _tokens->at(index).number; } - -unsigned TranslationUnit::matchingBrace(unsigned index) const -{ return _tokens->at(index).close_brace; } - -MemoryPool *TranslationUnit::memoryPool() const -{ return _pool; } - -AST *TranslationUnit::ast() const -{ return _ast; } - -bool TranslationUnit::isTokenized() const -{ return f._tokenized; } - -bool TranslationUnit::isParsed() const -{ return f._parsed; } - -void TranslationUnit::tokenize() -{ - if (isTokenized()) - return; - - f._tokenized = true; - - Lexer lex(this); - lex.setQtMocRunEnabled(f._qtMocRunEnabled); - lex.setCxxOxEnabled(f._cxx0xEnabled); - lex.setObjCEnabled(f._objCEnabled); - - std::stack<unsigned> braces; - _tokens->push_back(Token()); // the first token needs to be invalid! - - pushLineOffset(0); - pushPreprocessorLine(0, 1, fileId()); - - const Identifier *lineId = control()->identifier("line"); - const Identifier *genId = control()->identifier("gen"); - - bool generated = false; - Token tk; - do { - lex(&tk); - - _Lrecognize: - if (tk.is(T_POUND) && tk.newline()) { - unsigned offset = tk.offset; - lex(&tk); - - if (! tk.f.newline && tk.is(T_IDENTIFIER) && tk.identifier == genId) { - // it's a gen directive. - lex(&tk); - - if (! tk.f.newline && tk.is(T_TRUE)) { - lex(&tk); - generated = true; - } else { - generated = false; - } - } else { - if (! tk.f.newline && tk.is(T_IDENTIFIER) && tk.identifier == lineId) - lex(&tk); - if (! tk.f.newline && tk.is(T_NUMERIC_LITERAL)) { - unsigned line = (unsigned) strtoul(tk.spell(), 0, 0); - lex(&tk); - if (! tk.f.newline && tk.is(T_STRING_LITERAL)) { - const StringLiteral *fileName = control()->stringLiteral(tk.string->chars(), - tk.string->size()); - pushPreprocessorLine(offset, line, fileName); - lex(&tk); - } - } - } - while (tk.isNot(T_EOF_SYMBOL) && ! tk.f.newline) - lex(&tk); - goto _Lrecognize; - } else if (tk.f.kind == T_LBRACE) { - braces.push(_tokens->size()); - } else if (tk.f.kind == T_RBRACE && ! braces.empty()) { - const unsigned open_brace_index = braces.top(); - braces.pop(); - (*_tokens)[open_brace_index].close_brace = _tokens->size(); - } - tk.f.generated = generated; - _tokens->push_back(tk); - } while (tk.f.kind); - - for (; ! braces.empty(); braces.pop()) { - unsigned open_brace_index = braces.top(); - (*_tokens)[open_brace_index].close_brace = _tokens->size(); - } -} - -bool TranslationUnit::skipFunctionBody() const -{ return f._skipFunctionBody; } - -void TranslationUnit::setSkipFunctionBody(bool skipFunctionBody) -{ f._skipFunctionBody = skipFunctionBody; } - -bool TranslationUnit::parse(ParseMode mode) -{ - if (isParsed()) - return false; - - if (! isTokenized()) - tokenize(); - - f._parsed = true; - - Parser parser(this); - parser.setQtMocRunEnabled(f._qtMocRunEnabled); - parser.setCxxOxEnabled(f._cxx0xEnabled); - parser.setObjCEnabled(f._objCEnabled); - - bool parsed = false; - - switch (mode) { - case ParseTranlationUnit: { - TranslationUnitAST *node = 0; - parsed = parser.parseTranslationUnit(node); - _ast = node; - } break; - - case ParseDeclaration: { - DeclarationAST *node = 0; - parsed = parser.parseDeclaration(node); - _ast = node; - } break; - - case ParseExpression: { - ExpressionAST *node = 0; - parsed = parser.parseExpression(node); - _ast = node; - } break; - - case ParseDeclarator: { - DeclaratorAST *node = 0; - parsed = parser.parseDeclarator(node, /*decl_specifier_list =*/ 0); - _ast = node; - } break; - - case ParseStatement: { - StatementAST *node = 0; - parsed = parser.parseStatement(node); - _ast = node; - } break; - - default: - break; - } // switch - - return parsed; -} - -void TranslationUnit::pushLineOffset(unsigned offset) -{ _lineOffsets.push_back(offset); } - -void TranslationUnit::pushPreprocessorLine(unsigned offset, - unsigned line, - const StringLiteral *fileName) -{ _ppLines.push_back(PPLine(offset, line, fileName)); } - -unsigned TranslationUnit::findLineNumber(unsigned offset) const -{ - std::vector<unsigned>::const_iterator it = - std::lower_bound(_lineOffsets.begin(), _lineOffsets.end(), offset); - - if (it != _lineOffsets.begin()) - --it; - - return it - _lineOffsets.begin(); -} - -TranslationUnit::PPLine TranslationUnit::findPreprocessorLine(unsigned offset) const -{ - std::vector<PPLine>::const_iterator it = - std::lower_bound(_ppLines.begin(), _ppLines.end(), PPLine(offset)); - - if (it != _ppLines.begin()) - --it; - - return *it; -} - -unsigned TranslationUnit::findColumnNumber(unsigned offset, unsigned lineNumber) const -{ - if (! offset) - return 0; - - return offset - _lineOffsets[lineNumber]; -} - -void TranslationUnit::getTokenPosition(unsigned index, - unsigned *line, - unsigned *column, - const StringLiteral **fileName) const -{ return getPosition(tokenAt(index).offset, line, column, fileName); } - -void TranslationUnit::getTokenStartPosition(unsigned index, unsigned *line, - unsigned *column, - const StringLiteral **fileName) const -{ return getPosition(tokenAt(index).begin(), line, column, fileName); } - -void TranslationUnit::getTokenEndPosition(unsigned index, unsigned *line, - unsigned *column, - const StringLiteral **fileName) const -{ return getPosition(tokenAt(index).end(), line, column, fileName); } - -void TranslationUnit::getPosition(unsigned tokenOffset, - unsigned *line, - unsigned *column, - const StringLiteral **fileName) const -{ - unsigned lineNumber = findLineNumber(tokenOffset); - unsigned columnNumber = findColumnNumber(tokenOffset, lineNumber); - const PPLine ppLine = findPreprocessorLine(tokenOffset); - - lineNumber -= findLineNumber(ppLine.offset) + 1; - lineNumber += ppLine.line; - - if (line) - *line = lineNumber; - - if (column) - *column = columnNumber; - - if (fileName) - *fileName = ppLine.fileName; -} - -bool TranslationUnit::blockErrors(bool block) -{ - bool previous = f._blockErrors; - f._blockErrors = block; - return previous; -} - -void TranslationUnit::message(DiagnosticClient::Level level, unsigned index, const char *format, va_list args) -{ - if (f._blockErrors) - return; - - index = std::min(index, tokenCount() - 1); - - unsigned line = 0, column = 0; - const StringLiteral *fileName = 0; - getTokenPosition(index, &line, &column, &fileName); - - if (DiagnosticClient *client = control()->diagnosticClient()) { - client->report(level, fileName, line, column, format, args); - } else { - fprintf(stderr, "%s:%d: ", fileName->chars(), line); - const char *l = "error"; - if (level == DiagnosticClient::Warning) - l = "warning"; - else if (level == DiagnosticClient::Fatal) - l = "fatal"; - fprintf(stderr, "%s: ", l); - - vfprintf(stderr, format, args); - fputc('\n', stderr); - - showErrorLine(index, column, stderr); - } - - if (level == DiagnosticClient::Fatal) - exit(EXIT_FAILURE); -} - -void TranslationUnit::warning(unsigned index, const char *format, ...) -{ - if (f._blockErrors) - return; - - va_list args, ap; - va_start(args, format); - va_copy(ap, args); - message(DiagnosticClient::Warning, index, format, args); - va_end(ap); - va_end(args); -} - -void TranslationUnit::error(unsigned index, const char *format, ...) -{ - if (f._blockErrors) - return; - - va_list args, ap; - va_start(args, format); - va_copy(ap, args); - message(DiagnosticClient::Error, index, format, args); - va_end(ap); - va_end(args); -} - -void TranslationUnit::fatal(unsigned index, const char *format, ...) -{ - if (f._blockErrors) - return; - - va_list args, ap; - va_start(args, format); - va_copy(ap, args); - message(DiagnosticClient::Fatal, index, format, args); - va_end(ap); - va_end(args); -} - -unsigned TranslationUnit::findPreviousLineOffset(unsigned tokenIndex) const -{ - unsigned lineOffset = _lineOffsets[findLineNumber(_tokens->at(tokenIndex).offset)]; - return lineOffset; -} - -void TranslationUnit::showErrorLine(unsigned index, unsigned column, FILE *out) -{ - unsigned lineOffset = _lineOffsets[findLineNumber(_tokens->at(index).offset)]; - for (const char *cp = _firstSourceChar + lineOffset + 1; *cp && *cp != '\n'; ++cp) { - fputc(*cp, out); - } - fputc('\n', out); - - const char *end = _firstSourceChar + lineOffset + 1 + column - 1; - for (const char *cp = _firstSourceChar + lineOffset + 1; cp != end; ++cp) { - if (*cp != '\t') - fputc(' ', out); - else - fputc('\t', out); - } - fputc('^', out); - fputc('\n', out); -} - -void TranslationUnit::resetAST() -{ - delete _pool; - _pool = 0; - _ast = 0; -} - -void TranslationUnit::release() -{ - resetAST(); - delete _tokens; - _tokens = 0; -} - - |