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Refactored a bit the preprocessor so we can use it to generate file dependencies.

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This commit is contained in:
Roberto Raggi
2009-05-13 15:28:11 +02:00
parent 98776099d3
commit caad98ec4c
2 changed files with 44 additions and 22 deletions
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54
src/libs/cplusplus/pp-engine.cpp
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@@ -590,6 +590,24 @@ void Preprocessor::expand(const char *first, const char *last, QByteArray *resul
return expand(source, result);
}
void Preprocessor::out(const QByteArray &text)
{
if (_result)
_result->append(text);
}
void Preprocessor::out(char ch)
{
if (_result)
_result->append(ch);
}
void Preprocessor::out(const char *s)
{
if (_result)
_result->append(s);
}
Preprocessor::State Preprocessor::createStateFromSource(const QByteArray &source) const
{
State state;
@@ -611,16 +629,16 @@ void Preprocessor::processNewline(bool force)
return;
if (force || env->currentLine > _dot->lineno) {
_result->append("\n# ");
_result->append(QByteArray::number(_dot->lineno));
_result->append(' ');
_result->append('"');
_result->append(env->currentFile);
_result->append('"');
_result->append('\n');
out("\n# ");
out(QByteArray::number(_dot->lineno));
out(' ');
out('"');
out(env->currentFile);
out('"');
out('\n');
} else {
for (unsigned i = env->currentLine; i < _dot->lineno; ++i)
_result->append('\n');
out('\n');
}
env->currentLine = _dot->lineno;
@@ -661,9 +679,9 @@ bool Preprocessor::markGeneratedTokens(bool markGeneratedTokens,
dot = _dot;
if (_markGeneratedTokens)
_result->append("\n#gen true");
out("\n#gen true");
else
_result->append("\n#gen false");
out("\n#gen false");
processNewline(/*force = */ true);
@@ -684,10 +702,10 @@ bool Preprocessor::markGeneratedTokens(bool markGeneratedTokens,
for (; it != end; ++it) {
if (! std::isspace(*it))
_result->append(' ');
out(' ');
else
_result->append(*it);
out(*it);
}
}
@@ -737,7 +755,7 @@ void Preprocessor::preprocess(const QByteArray &fileName, const QByteArray &sour
} else {
if (_dot->joined)
_result->append("\\\n");
out("\\\n");
else if (_dot->whitespace) {
const unsigned endOfPreviousToken = (_dot - 1)->end();
@@ -755,15 +773,15 @@ void Preprocessor::preprocess(const QByteArray &fileName, const QByteArray &sour
for (; it != end; ++it) {
if (std::isspace(*it))
_result->append(*it);
out(*it);
else
_result->append(' ');
out(' ');
}
}
if (_dot->isNot(T_IDENTIFIER)) {
_result->append(tokenSpell(*_dot));
out(tokenSpell(*_dot));
++_dot;
} else {
@@ -798,7 +816,7 @@ void Preprocessor::preprocess(const QByteArray &fileName, const QByteArray &sour
}
// it's not a function or object-like macro.
_result->append(spell);
out(spell);
}
}
}
@@ -893,7 +911,7 @@ Macro *Preprocessor::processObjectLikeMacro(TokenIterator identifierToken,
}
const bool was = markGeneratedTokens(true, identifierToken);
_result->append(tmp);
out(tmp);
(void) markGeneratedTokens(was);
return 0;
}