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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "parser.h"
#include "utils.h"
#include <stdio.h>
#include <stdlib.h>
QT_BEGIN_NAMESPACE
static const char *error_msg = nullptr;
/*! \internal
Base implementation for printing diagnostic messages.
For example:
"/path/to/file:line:column: error: %s\n"
'%s' is replaced by \a msg. (Currently "column" is always 1).
If sym.lineNum is -1, the line and column parts aren't printed:
"/path/to/file: error: %s\n"
\a formatStringSuffix specifies the type of the message e.g.:
"error: %s\n"
"warning: %s\n"
"note: %s\n"
"Parse error at %s\n" (from defaultErrorMsg())
*/
void Parser::printMsg(QByteArrayView formatStringSuffix, QByteArrayView msg, const Symbol &sym)
{
if (sym.lineNum != -1) {
#ifdef Q_CC_MSVC
QByteArray formatString = "%s(%d:%d): " + formatStringSuffix;
#else
QByteArray formatString = "%s:%d:%d: " + formatStringSuffix;
#endif
fprintf(stderr, formatString.constData(),
currentFilenames.top().constData(), sym.lineNum, 1, msg.data());
} else {
QByteArray formatString = "%s: " + formatStringSuffix;
fprintf(stderr, formatString.constData(),
currentFilenames.top().constData(), msg.data());
}
}
void Parser::defaultErrorMsg(const Symbol &sym)
{
if (sym.lineNum != -1)
printMsg("error: Parse error at \"%s\"\n", sym.lexem().data(), sym);
else
printMsg("error: could not parse file\n", "", sym);
}
void Parser::error(const Symbol &sym)
{
defaultErrorMsg(sym);
exit(EXIT_FAILURE);
}
void Parser::error(const char *msg)
{
if (msg || error_msg)
printMsg("error: %s\n",
msg ? msg : error_msg,
index > 0 ? symbol() : Symbol{});
else
defaultErrorMsg(symbol());
exit(EXIT_FAILURE);
}
void Parser::warning(const Symbol &sym, QByteArrayView msg)
{
if (displayWarnings)
printMsg("warning: %s\n", msg, sym);
}
void Parser::warning(const char *msg) {
warning(index > 0 ? symbol() : Symbol{}, msg);
}
void Parser::note(const char *msg) {
if (displayNotes && msg)
printMsg("note: %s\n", msg, index > 0 ? symbol() : Symbol{});
}
QT_END_NAMESPACE
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