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qmakebuiltins.cpp
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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the qmake application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qmakeevaluator.h"
#include "qmakeevaluator_p.h"
#include "qmakeglobals.h"
#include "qmakeparser.h"
#include "qmakevfs.h"
#include "ioutils.h"
#include <qbytearray.h>
#include <qdir.h>
#include <qfile.h>
#include <qfileinfo.h>
#include <qlist.h>
#include <qregexp.h>
#include <qset.h>
#include <qstringlist.h>
#include <qtextstream.h>
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
# include <qjsondocument.h>
# include <qjsonobject.h>
# include <qjsonarray.h>
#endif
#ifdef PROEVALUATOR_THREAD_SAFE
# include <qthreadpool.h>
#endif
#include <qversionnumber.h>
#ifdef Q_OS_WIN
# include <registry_p.h>
#endif
#include <algorithm>
#ifdef Q_OS_UNIX
#include <time.h>
#include <errno.h>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#else
#include <windows.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#ifdef Q_OS_WIN32
#define QT_POPEN _popen
#define QT_POPEN_READ "rb"
#define QT_PCLOSE _pclose
#else
#define QT_POPEN popen
#define QT_POPEN_READ "r"
#define QT_PCLOSE pclose
#endif
using namespace QMakeInternal;
QT_BEGIN_NAMESPACE
#define fL1S(s) QString::fromLatin1(s)
enum ExpandFunc {
E_INVALID = 0, E_MEMBER, E_STR_MEMBER, E_FIRST, E_TAKE_FIRST, E_LAST, E_TAKE_LAST,
E_SIZE, E_STR_SIZE, E_CAT, E_FROMFILE, E_EVAL, E_LIST, E_SPRINTF, E_FORMAT_NUMBER,
E_NUM_ADD, E_JOIN, E_SPLIT, E_BASENAME, E_DIRNAME, E_SECTION,
E_FIND, E_SYSTEM, E_UNIQUE, E_SORTED, E_REVERSE, E_QUOTE, E_ESCAPE_EXPAND,
E_UPPER, E_LOWER, E_TITLE, E_FILES, E_PROMPT, E_RE_ESCAPE, E_VAL_ESCAPE,
E_REPLACE, E_SORT_DEPENDS, E_RESOLVE_DEPENDS, E_ENUMERATE_VARS,
E_SHADOWED, E_ABSOLUTE_PATH, E_RELATIVE_PATH, E_CLEAN_PATH,
E_SYSTEM_PATH, E_SHELL_PATH, E_SYSTEM_QUOTE, E_SHELL_QUOTE, E_GETENV, E_READ_REGISTRY
};
enum TestFunc {
T_INVALID = 0, T_REQUIRES, T_GREATERTHAN, T_LESSTHAN, T_EQUALS,
T_VERSION_AT_LEAST, T_VERSION_AT_MOST,
T_EXISTS, T_EXPORT, T_CLEAR, T_UNSET, T_EVAL, T_CONFIG, T_SYSTEM,
T_DEFINED, T_DISCARD_FROM, T_CONTAINS, T_INFILE,
T_COUNT, T_ISEMPTY, T_PARSE_JSON, T_INCLUDE, T_LOAD, T_DEBUG, T_LOG, T_MESSAGE, T_WARNING, T_ERROR, T_IF,
T_MKPATH, T_WRITE_FILE, T_TOUCH, T_CACHE, T_RELOAD_PROPERTIES
};
QMakeBuiltin::QMakeBuiltin(const QMakeBuiltinInit &d)
: index(d.func), minArgs(qMax(0, d.min_args)), maxArgs(d.max_args)
{
static const char * const nstr[6] = { "no", "one", "two", "three", "four", "five" };
// For legacy reasons, there is actually no such thing as "no arguments"
// - there is only "empty first argument", which needs to be mapped back.
// -1 means "one, which may be empty", which is effectively zero, except
// for the error message if there are too many arguments.
int dmin = qAbs(d.min_args);
int dmax = d.max_args;
if (dmax == QMakeBuiltinInit::VarArgs) {
Q_ASSERT_X(dmin < 2, "init", d.name);
if (dmin == 1) {
Q_ASSERT_X(d.args != nullptr, "init", d.name);
usage = fL1S("%1(%2) requires at least one argument.")
.arg(fL1S(d.name), fL1S(d.args));
}
return;
}
int arange = dmax - dmin;
Q_ASSERT_X(arange >= 0, "init", d.name);
Q_ASSERT_X(d.args != nullptr, "init", d.name);
usage = arange > 1
? fL1S("%1(%2) requires %3 to %4 arguments.")
.arg(fL1S(d.name), fL1S(d.args), fL1S(nstr[dmin]), fL1S(nstr[dmax]))
: arange > 0
? fL1S("%1(%2) requires %3 or %4 arguments.")
.arg(fL1S(d.name), fL1S(d.args), fL1S(nstr[dmin]), fL1S(nstr[dmax]))
: dmax != 1
? fL1S("%1(%2) requires %3 arguments.")
.arg(fL1S(d.name), fL1S(d.args), fL1S(nstr[dmax]))
: fL1S("%1(%2) requires one argument.")
.arg(fL1S(d.name), fL1S(d.args));
}
void QMakeEvaluator::initFunctionStatics()
{
static const QMakeBuiltinInit expandInits[] = {
{ "member", E_MEMBER, 1, 3, "var, [start, [end]]" },
{ "str_member", E_STR_MEMBER, -1, 3, "str, [start, [end]]" },
{ "first", E_FIRST, 1, 1, "var" },
{ "take_first", E_TAKE_FIRST, 1, 1, "var" },
{ "last", E_LAST, 1, 1, "var" },
{ "take_last", E_TAKE_LAST, 1, 1, "var" },
{ "size", E_SIZE, 1, 1, "var" },
{ "str_size", E_STR_SIZE, -1, 1, "str" },
{ "cat", E_CAT, 1, 2, "file, [mode=true|blob|lines]" },
{ "fromfile", E_FROMFILE, 2, 2, "file, var" },
{ "eval", E_EVAL, 1, 1, "var" },
{ "list", E_LIST, 0, QMakeBuiltinInit::VarArgs, nullptr },
{ "sprintf", E_SPRINTF, 1, QMakeBuiltinInit::VarArgs, "format, ..." },
{ "format_number", E_FORMAT_NUMBER, 1, 2, "number, [options...]" },
{ "num_add", E_NUM_ADD, 1, QMakeBuiltinInit::VarArgs, "num, ..." },
{ "join", E_JOIN, 1, 4, "var, [glue, [before, [after]]]" },
{ "split", E_SPLIT, 1, 2, "var, sep" },
{ "basename", E_BASENAME, 1, 1, "var" },
{ "dirname", E_DIRNAME, 1, 1, "var" },
{ "section", E_SECTION, 3, 4, "var, sep, begin, [end]" },
{ "find", E_FIND, 2, 2, "var, str" },
{ "system", E_SYSTEM, 1, 3, "command, [mode], [stsvar]" },
{ "unique", E_UNIQUE, 1, 1, "var" },
{ "sorted", E_SORTED, 1, 1, "var" },
{ "reverse", E_REVERSE, 1, 1, "var" },
{ "quote", E_QUOTE, 0, QMakeBuiltinInit::VarArgs, nullptr },
{ "escape_expand", E_ESCAPE_EXPAND, 0, QMakeBuiltinInit::VarArgs, nullptr },
{ "upper", E_UPPER, 0, QMakeBuiltinInit::VarArgs, nullptr },
{ "lower", E_LOWER, 0, QMakeBuiltinInit::VarArgs, nullptr },
{ "title", E_TITLE, 0, QMakeBuiltinInit::VarArgs, nullptr },
{ "re_escape", E_RE_ESCAPE, 0, QMakeBuiltinInit::VarArgs, nullptr },
{ "val_escape", E_VAL_ESCAPE, 1, 1, "var" },
{ "files", E_FILES, 1, 2, "pattern, [recursive=false]" },
{ "prompt", E_PROMPT, 1, 2, "question, [decorate=true]" },
{ "replace", E_REPLACE, 3, 3, "var, before, after" },
{ "sort_depends", E_SORT_DEPENDS, 1, 4, "var, [prefix, [suffixes, [prio-suffix]]]" },
{ "resolve_depends", E_RESOLVE_DEPENDS, 1, 4, "var, [prefix, [suffixes, [prio-suffix]]]" },
{ "enumerate_vars", E_ENUMERATE_VARS, 0, 0, "" },
{ "shadowed", E_SHADOWED, 1, 1, "path" },
{ "absolute_path", E_ABSOLUTE_PATH, -1, 2, "path, [base]" },
{ "relative_path", E_RELATIVE_PATH, -1, 2, "path, [base]" },
{ "clean_path", E_CLEAN_PATH, -1, 1, "path" },
{ "system_path", E_SYSTEM_PATH, -1, 1, "path" },
{ "shell_path", E_SHELL_PATH, -1, 1, "path" },
{ "system_quote", E_SYSTEM_QUOTE, -1, 1, "arg" },
{ "shell_quote", E_SHELL_QUOTE, -1, 1, "arg" },
{ "getenv", E_GETENV, 1, 1, "arg" },
{ "read_registry", E_READ_REGISTRY, 2, 3, "tree, key, [wow64]" },
};
statics.expands.reserve((int)(sizeof(expandInits)/sizeof(expandInits[0])));
for (unsigned i = 0; i < sizeof(expandInits)/sizeof(expandInits[0]); ++i)
statics.expands.insert(ProKey(expandInits[i].name), QMakeBuiltin(expandInits[i]));
static const QMakeBuiltinInit testInits[] = {
{ "requires", T_REQUIRES, 0, QMakeBuiltinInit::VarArgs, nullptr },
{ "greaterThan", T_GREATERTHAN, 2, 2, "var, val" },
{ "lessThan", T_LESSTHAN, 2, 2, "var, val" },
{ "equals", T_EQUALS, 2, 2, "var, val" },
{ "isEqual", T_EQUALS, 2, 2, "var, val" },
{ "versionAtLeast", T_VERSION_AT_LEAST, 2, 2, "var, version" },
{ "versionAtMost", T_VERSION_AT_MOST, 2, 2, "var, version" },
{ "exists", T_EXISTS, 1, 1, "file" },
{ "export", T_EXPORT, 1, 1, "var" },
{ "clear", T_CLEAR, 1, 1, "var" },
{ "unset", T_UNSET, 1, 1, "var" },
{ "eval", T_EVAL, 0, QMakeBuiltinInit::VarArgs, nullptr },
{ "CONFIG", T_CONFIG, 1, 2, "config, [mutuals]" },
{ "if", T_IF, 1, 1, "condition" },
{ "isActiveConfig", T_CONFIG, 1, 2, "config, [mutuals]" },
{ "system", T_SYSTEM, 1, 1, "exec" },
{ "discard_from", T_DISCARD_FROM, 1, 1, "file" },
{ "defined", T_DEFINED, 1, 2, "object, [\"test\"|\"replace\"|\"var\"]" },
{ "contains", T_CONTAINS, 2, 3, "var, val, [mutuals]" },
{ "infile", T_INFILE, 2, 3, "file, var, [values]" },
{ "count", T_COUNT, 2, 3, "var, count, [op=operator]" },
{ "isEmpty", T_ISEMPTY, 1, 1, "var" },
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
{ "parseJson", T_PARSE_JSON, 2, 2, "var, into" },
#endif
{ "load", T_LOAD, 1, 2, "feature, [ignore_errors=false]" },
{ "include", T_INCLUDE, 1, 3, "file, [into, [silent]]" },
{ "debug", T_DEBUG, 2, 2, "level, message" },
{ "log", T_LOG, 1, 1, "message" },
{ "message", T_MESSAGE, 1, 1, "message" },
{ "warning", T_WARNING, 1, 1, "message" },
{ "error", T_ERROR, 0, 1, "message" },
{ "mkpath", T_MKPATH, 1, 1, "path" },
{ "write_file", T_WRITE_FILE, 1, 3, "name, [content var, [append] [exe]]" },
{ "touch", T_TOUCH, 2, 2, "file, reffile" },
{ "cache", T_CACHE, 0, 3, "[var], [set|add|sub] [transient] [super|stash], [srcvar]" },
{ "reload_properties", T_RELOAD_PROPERTIES, 0, 0, "" },
};
statics.functions.reserve((int)(sizeof(testInits)/sizeof(testInits[0])));
for (unsigned i = 0; i < sizeof(testInits)/sizeof(testInits[0]); ++i)
statics.functions.insert(ProKey(testInits[i].name), QMakeBuiltin(testInits[i]));
}
static bool isTrue(const ProString &str)
{
return !str.compare(statics.strtrue, Qt::CaseInsensitive) || str.toInt();
}
bool
QMakeEvaluator::getMemberArgs(const ProKey &func, int srclen, const ProStringList &args,
int *start, int *end)
{
*start = 0, *end = 0;
if (args.count() >= 2) {
bool ok = true;
const ProString &start_str = args.at(1);
*start = start_str.toInt(&ok);
if (!ok) {
if (args.count() == 2) {
int dotdot = start_str.indexOf(statics.strDotDot);
if (dotdot != -1) {
*start = start_str.left(dotdot).toInt(&ok);
if (ok)
*end = start_str.mid(dotdot+2).toInt(&ok);
}
}
if (!ok) {
ProStringRoUser u1(func, m_tmp1);
ProStringRoUser u2(start_str, m_tmp2);
evalError(fL1S("%1() argument 2 (start) '%2' invalid.").arg(u1.str(), u2.str()));
return false;
}
} else {
*end = *start;
if (args.count() == 3)
*end = args.at(2).toInt(&ok);
if (!ok) {
ProStringRoUser u1(func, m_tmp1);
ProStringRoUser u2(args.at(2), m_tmp2);
evalError(fL1S("%1() argument 3 (end) '%2' invalid.").arg(u1.str(), u2.str()));
return false;
}
}
}
if (*start < 0)
*start += srclen;
if (*end < 0)
*end += srclen;
if (*start < 0 || *start >= srclen || *end < 0 || *end >= srclen)
return false;
return true;
}
QString
QMakeEvaluator::quoteValue(const ProString &val)
{
QString ret;
ret.reserve(val.size());
const QChar *chars = val.constData();
bool quote = val.isEmpty();
bool escaping = false;
for (int i = 0, l = val.size(); i < l; i++) {
QChar c = chars[i];
ushort uc = c.unicode();
if (uc < 32) {
if (!escaping) {
escaping = true;
ret += QLatin1String("$$escape_expand(");
}
switch (uc) {
case '\r':
ret += QLatin1String("\\\\r");
break;
case '\n':
ret += QLatin1String("\\\\n");
break;
case '\t':
ret += QLatin1String("\\\\t");
break;
default:
ret += QString::fromLatin1("\\\\x%1").arg(uc, 2, 16, QLatin1Char('0'));
break;
}
} else {
if (escaping) {
escaping = false;
ret += QLatin1Char(')');
}
switch (uc) {
case '\\':
ret += QLatin1String("\\\\");
break;
case '"':
ret += QLatin1String("\\\"");
break;
case '\'':
ret += QLatin1String("\\'");
break;
case '$':
ret += QLatin1String("\\$");
break;
case '#':
ret += QLatin1String("$${LITERAL_HASH}");
break;
case 32:
quote = true;
Q_FALLTHROUGH();
default:
ret += c;
break;
}
}
}
if (escaping)
ret += QLatin1Char(')');
if (quote) {
ret.prepend(QLatin1Char('"'));
ret.append(QLatin1Char('"'));
}
return ret;
}
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
static void addJsonValue(const QJsonValue &value, const QString &keyPrefix, ProValueMap *map);
static void insertJsonKeyValue(const QString &key, const QStringList &values, ProValueMap *map)
{
map->insert(ProKey(key), ProStringList(values));
}
static void addJsonArray(const QJsonArray &array, const QString &keyPrefix, ProValueMap *map)
{
QStringList keys;
const int size = array.count();
keys.reserve(size);
for (int i = 0; i < size; ++i) {
const QString number = QString::number(i);
keys.append(number);
addJsonValue(array.at(i), keyPrefix + number, map);
}
insertJsonKeyValue(keyPrefix + QLatin1String("_KEYS_"), keys, map);
}
static void addJsonObject(const QJsonObject &object, const QString &keyPrefix, ProValueMap *map)
{
QStringList keys;
keys.reserve(object.size());
for (auto it = object.begin(), end = object.end(); it != end; ++it) {
const QString key = it.key();
keys.append(key);
addJsonValue(it.value(), keyPrefix + key, map);
}
insertJsonKeyValue(keyPrefix + QLatin1String("_KEYS_"), keys, map);
}
static void addJsonValue(const QJsonValue &value, const QString &keyPrefix, ProValueMap *map)
{
switch (value.type()) {
case QJsonValue::Bool:
insertJsonKeyValue(keyPrefix, QStringList() << (value.toBool() ? QLatin1String("true") : QLatin1String("false")), map);
break;
case QJsonValue::Double:
insertJsonKeyValue(keyPrefix, QStringList() << QString::number(value.toDouble()), map);
break;
case QJsonValue::String:
insertJsonKeyValue(keyPrefix, QStringList() << value.toString(), map);
break;
case QJsonValue::Array:
addJsonArray(value.toArray(), keyPrefix + QLatin1Char('.'), map);
break;
case QJsonValue::Object:
addJsonObject(value.toObject(), keyPrefix + QLatin1Char('.'), map);
break;
default:
break;
}
}
struct ErrorPosition {
int line;
int column;
};
static ErrorPosition calculateErrorPosition(const QByteArray &json, int offset)
{
ErrorPosition pos = { 0, 0 };
offset--; // offset is 1-based, switching to 0-based
for (int i = 0; i < offset; ++i) {
switch (json.at(i)) {
case '\n':
pos.line++;
pos.column = 0;
break;
case '\r':
break;
case '\t':
pos.column = (pos.column + 8) & ~7;
break;
default:
pos.column++;
break;
}
}
// Lines and columns in text editors are 1-based:
pos.line++;
pos.column++;
return pos;
}
QMakeEvaluator::VisitReturn QMakeEvaluator::parseJsonInto(const QByteArray &json, const QString &into, ProValueMap *value)
{
QJsonParseError error;
QJsonDocument document = QJsonDocument::fromJson(json, &error);
if (document.isNull()) {
if (error.error != QJsonParseError::NoError) {
ErrorPosition errorPos = calculateErrorPosition(json, error.offset);
evalError(fL1S("Error parsing JSON at %1:%2: %3")
.arg(errorPos.line).arg(errorPos.column).arg(error.errorString()));
}
return QMakeEvaluator::ReturnFalse;
}
QString currentKey = into + QLatin1Char('.');
// top-level item is either an array or object
if (document.isArray())
addJsonArray(document.array(), currentKey, value);
else if (document.isObject())
addJsonObject(document.object(), currentKey, value);
else
return QMakeEvaluator::ReturnFalse;
return QMakeEvaluator::ReturnTrue;
}
#endif
QMakeEvaluator::VisitReturn
QMakeEvaluator::writeFile(const QString &ctx, const QString &fn, QIODevice::OpenMode mode,
QMakeVfs::VfsFlags flags, const QString &contents)
{
int oldId = m_vfs->idForFileName(fn, flags | QMakeVfs::VfsAccessedOnly);
int id = m_vfs->idForFileName(fn, flags | QMakeVfs::VfsCreate);
QString errStr;
if (!m_vfs->writeFile(id, mode, flags, contents, &errStr)) {
evalError(fL1S("Cannot write %1file %2: %3")
.arg(ctx, QDir::toNativeSeparators(fn), errStr));
return ReturnFalse;
}
if (oldId)
m_parser->discardFileFromCache(oldId);
return ReturnTrue;
}
#if QT_CONFIG(process)
void QMakeEvaluator::runProcess(QProcess *proc, const QString &command) const
{
proc->setWorkingDirectory(currentDirectory());
# ifdef PROEVALUATOR_SETENV
if (!m_option->environment.isEmpty())
proc->setProcessEnvironment(m_option->environment);
# endif
# ifdef Q_OS_WIN
proc->setNativeArguments(QLatin1String("/v:off /s /c \"") + command + QLatin1Char('"'));
proc->start(m_option->getEnv(QLatin1String("COMSPEC")), QStringList());
# else
proc->start(QLatin1String("/bin/sh"), QStringList() << QLatin1String("-c") << command);
# endif
proc->waitForFinished(-1);
}
#endif
QByteArray QMakeEvaluator::getCommandOutput(const QString &args, int *exitCode) const
{
QByteArray out;
#if QT_CONFIG(process)
QProcess proc;
runProcess(&proc, args);
*exitCode = (proc.exitStatus() == QProcess::NormalExit) ? proc.exitCode() : -1;
QByteArray errout = proc.readAllStandardError();
# ifdef PROEVALUATOR_FULL
// FIXME: Qt really should have the option to set forwarding per channel
fputs(errout.constData(), stderr);
# else
if (!errout.isEmpty()) {
if (errout.endsWith('\n'))
errout.chop(1);
m_handler->message(
QMakeHandler::EvalError | (m_cumulative ? QMakeHandler::CumulativeEvalMessage : 0),
QString::fromLocal8Bit(errout));
}
# endif
out = proc.readAllStandardOutput();
# ifdef Q_OS_WIN
// FIXME: Qt's line end conversion on sequential files should really be fixed
out.replace("\r\n", "\n");
# endif
#else
if (FILE *proc = QT_POPEN(QString(QLatin1String("cd ")
+ IoUtils::shellQuote(QDir::toNativeSeparators(currentDirectory()))
+ QLatin1String(" && ") + args).toLocal8Bit().constData(), QT_POPEN_READ)) {
while (!feof(proc)) {
char buff[10 * 1024];
int read_in = int(fread(buff, 1, sizeof(buff), proc));
if (!read_in)
break;
out += QByteArray(buff, read_in);
}
int ec = QT_PCLOSE(proc);
# ifdef Q_OS_WIN
*exitCode = ec >= 0 ? ec : -1;
# else
*exitCode = WIFEXITED(ec) ? WEXITSTATUS(ec) : -1;
# endif
}
# ifdef Q_OS_WIN
out.replace("\r\n", "\n");
# endif
#endif
return out;
}
void QMakeEvaluator::populateDeps(
const ProStringList &deps, const ProString &prefix, const ProStringList &suffixes,
const ProString &priosfx,
QHash<ProKey, QSet<ProKey> > &dependencies, ProValueMap &dependees,
QMultiMap<int, ProString> &rootSet) const
{
for (const ProString &item : deps)
if (!dependencies.contains(item.toKey())) {
QSet<ProKey> &dset = dependencies[item.toKey()]; // Always create entry
ProStringList depends;
for (const ProString &suffix : suffixes)
depends += values(ProKey(prefix + item + suffix));
if (depends.isEmpty()) {
rootSet.insert(first(ProKey(prefix + item + priosfx)).toInt(), item);
} else {
for (const ProString &dep : qAsConst(depends)) {
dset.insert(dep.toKey());
dependees[dep.toKey()] << item;
}
populateDeps(depends, prefix, suffixes, priosfx, dependencies, dependees, rootSet);
}
}
}
QString QMakeEvaluator::filePathArg0(const ProStringList &args)
{
ProStringRoUser u1(args.at(0), m_tmp1);
QString fn = resolvePath(u1.str());
fn.detach();
return fn;
}
QString QMakeEvaluator::filePathEnvArg0(const ProStringList &args)
{
ProStringRoUser u1(args.at(0), m_tmp1);
QString fn = resolvePath(m_option->expandEnvVars(u1.str()));
fn.detach();
return fn;
}
QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinExpand(
const QMakeBuiltin &adef, const ProKey &func, const ProStringList &args, ProStringList &ret)
{
traceMsg("calling built-in $$%s(%s)", dbgKey(func), dbgSepStrList(args));
int asz = args.size() > 1 ? args.size() : args.at(0).isEmpty() ? 0 : 1;
if (asz < adef.minArgs || asz > adef.maxArgs) {
evalError(adef.usage);
return ReturnTrue;
}
int func_t = adef.index;
switch (func_t) {
case E_BASENAME:
case E_DIRNAME:
case E_SECTION: {
bool regexp = false;
QString sep;
ProString var;
int beg = 0;
int end = -1;
if (func_t == E_SECTION) {
var = args[0];
sep = args.at(1).toQString();
beg = args.at(2).toInt();
if (args.count() == 4)
end = args.at(3).toInt();
} else {
var = args[0];
regexp = true;
sep = QLatin1String("[\\\\/]");
if (func_t == E_DIRNAME)
end = -2;
else
beg = -1;
}
if (!var.isEmpty()) {
const auto strings = values(map(var));
if (regexp) {
QRegExp sepRx(sep);
for (const ProString &str : strings) {
ProStringRwUser u1(str, m_tmp[m_toggle ^= 1]);
ret << u1.extract(u1.str().section(sepRx, beg, end));
}
} else {
for (const ProString &str : strings) {
ProStringRwUser u1(str, m_tmp1);
ret << u1.extract(u1.str().section(sep, beg, end));
}
}
}
break;
}
case E_SPRINTF: {
ProStringRwUser u1(args.at(0), m_tmp1);
QString tmp = u1.str();
for (int i = 1; i < args.count(); ++i)
tmp = tmp.arg(args.at(i).toQStringView());
ret << u1.extract(tmp);
break;
}
case E_FORMAT_NUMBER: {
int ibase = 10;
int obase = 10;
int width = 0;
bool zeropad = false;
bool leftalign = false;
enum { DefaultSign, PadSign, AlwaysSign } sign = DefaultSign;
if (args.count() >= 2) {
const auto opts = split_value_list(args.at(1).toQStringRef());
for (const ProString &opt : opts) {
if (opt.startsWith(QLatin1String("ibase="))) {
ibase = opt.mid(6).toInt();
} else if (opt.startsWith(QLatin1String("obase="))) {
obase = opt.mid(6).toInt();
} else if (opt.startsWith(QLatin1String("width="))) {
width = opt.mid(6).toInt();
} else if (opt == QLatin1String("zeropad")) {
zeropad = true;
} else if (opt == QLatin1String("padsign")) {
sign = PadSign;
} else if (opt == QLatin1String("alwayssign")) {
sign = AlwaysSign;
} else if (opt == QLatin1String("leftalign")) {
leftalign = true;
} else {
evalError(fL1S("format_number(): invalid format option %1.")
.arg(opt.toQStringView()));
goto allfail;
}
}
}
if (args.at(0).contains(QLatin1Char('.'))) {
evalError(fL1S("format_number(): floats are currently not supported."));
break;
}
bool ok;
qlonglong num = args.at(0).toLongLong(&ok, ibase);
if (!ok) {
evalError(fL1S("format_number(): malformed number %2 for base %1.")
.arg(ibase).arg(args.at(0).toQStringView()));
break;
}
QString outstr;
if (num < 0) {
num = -num;
outstr = QLatin1Char('-');
} else if (sign == AlwaysSign) {
outstr = QLatin1Char('+');
} else if (sign == PadSign) {
outstr = QLatin1Char(' ');
}
QString numstr = QString::number(num, obase);
int space = width - outstr.length() - numstr.length();
if (space <= 0) {
outstr += numstr;
} else if (leftalign) {
outstr += numstr + QString(space, QLatin1Char(' '));
} else if (zeropad) {
outstr += QString(space, QLatin1Char('0')) + numstr;
} else {
outstr.prepend(QString(space, QLatin1Char(' ')));
outstr += numstr;
}
ret += ProString(outstr);
break;
}
case E_NUM_ADD: {
qlonglong sum = 0;
for (const ProString &arg : qAsConst(args)) {
if (arg.contains(QLatin1Char('.'))) {
evalError(fL1S("num_add(): floats are currently not supported."));
goto allfail;
}
bool ok;
qlonglong num = arg.toLongLong(&ok);
if (!ok) {
evalError(fL1S("num_add(): malformed number %1.")
.arg(arg.toQStringView()));
goto allfail;
}
sum += num;
}
ret += ProString(QString::number(sum));
break;
}
case E_JOIN: {
ProString glue, before, after;
if (args.count() >= 2)
glue = args.at(1);
if (args.count() >= 3)
before = args[2];
if (args.count() == 4)
after = args[3];
const ProStringList &var = values(map(args.at(0)));
if (!var.isEmpty()) {
int src = currentFileId();
for (const ProString &v : var)
if (int s = v.sourceFile()) {
src = s;
break;
}
ret << ProString(before + var.join(glue) + after).setSource(src);
}
break;
}
case E_SPLIT: {
ProStringRoUser u1(m_tmp1);
const QString &sep = (args.count() == 2) ? u1.set(args.at(1)) : statics.field_sep;
const auto vars = values(map(args.at(0)));
for (const ProString &var : vars) {
// FIXME: this is inconsistent with the "there are no empty strings" dogma.
const auto splits = var.toQStringRef().split(sep, QString::KeepEmptyParts);
for (const auto &splt : splits)
ret << ProString(splt).setSource(var);
}
break;
}
case E_MEMBER: {
const ProStringList &src = values(map(args.at(0)));
int start, end;
if (getMemberArgs(func, src.size(), args, &start, &end)) {
ret.reserve(qAbs(end - start) + 1);
if (start < end) {
for (int i = start; i <= end && src.size() >= i; i++)
ret += src.at(i);
} else {
for (int i = start; i >= end && src.size() >= i && i >= 0; i--)
ret += src.at(i);
}
}
break;
}
case E_STR_MEMBER: {
const ProString &src = args.at(0);
int start, end;
if (getMemberArgs(func, src.size(), args, &start, &end)) {
QString res;
res.reserve(qAbs(end - start) + 1);
if (start < end) {
for (int i = start; i <= end && src.size() >= i; i++)
res += src.at(i);
} else {
for (int i = start; i >= end && src.size() >= i && i >= 0; i--)
res += src.at(i);
}
ret += ProString(res);
}
break;
}
case E_FIRST:
case E_LAST: {
const ProStringList &var = values(map(args.at(0)));
if (!var.isEmpty()) {
if (func_t == E_FIRST)
ret.append(var[0]);
else
ret.append(var.last());
}
break;
}
case E_TAKE_FIRST:
case E_TAKE_LAST: {
ProStringList &var = valuesRef(map(args.at(0)));
if (!var.isEmpty()) {
if (func_t == E_TAKE_FIRST)
ret.append(var.takeFirst());
else
ret.append(var.takeLast());
}
break;
}
case E_SIZE:
ret.append(ProString(QString::number(values(map(args.at(0))).size())));
break;
case E_STR_SIZE:
ret.append(ProString(QString::number(args.at(0).size())));
break;
case E_CAT: {
bool blob = false;
bool lines = false;
bool singleLine = true;
if (args.count() > 1) {
if (!args.at(1).compare(QLatin1String("false"), Qt::CaseInsensitive))
singleLine = false;
else if (!args.at(1).compare(QLatin1String("blob"), Qt::CaseInsensitive))
blob = true;
else if (!args.at(1).compare(QLatin1String("lines"), Qt::CaseInsensitive))
lines = true;
}
QString fn = filePathEnvArg0(args);
QFile qfile(fn);
if (qfile.open(QIODevice::ReadOnly)) {
QTextStream stream(&qfile);
if (blob) {
ret += ProString(stream.readAll());
} else {
while (!stream.atEnd()) {
if (lines) {
ret += ProString(stream.readLine());
} else {
const QString &line = stream.readLine();
ret += split_value_list(QStringRef(&line).trimmed());
if (!singleLine)
ret += ProString("\n");
}
}
}
}
break;
}
case E_FROMFILE: {
ProValueMap vars;
QString fn = filePathEnvArg0(args);
if (evaluateFileInto(fn, &vars, LoadProOnly) == ReturnTrue)
ret = vars.value(map(args.at(1)));
break;
}
case E_EVAL:
ret += values(map(args.at(0)));
break;
case E_LIST: {
QString tmp;
tmp.sprintf(".QMAKE_INTERNAL_TMP_variableName_%d", m_listCount++);
ret = ProStringList(ProString(tmp));
ProStringList lst;
for (const ProString &arg : args)
lst += split_value_list(arg.toQStringRef(), arg.sourceFile()); // Relies on deep copy
m_valuemapStack.top()[ret.at(0).toKey()] = lst;
break; }
case E_FIND: {
QRegExp regx(args.at(1).toQString());
const auto vals = values(map(args.at(0)));
for (const ProString &val : vals) {
ProStringRoUser u1(val, m_tmp[m_toggle ^= 1]);
if (regx.indexIn(u1.str()) != -1)
ret += val;
}
break;
}
case E_SYSTEM: {
if (m_skipLevel)
break;
bool blob = false;
bool lines = false;
bool singleLine = true;
if (args.count() > 1) {
if (!args.at(1).compare(QLatin1String("false"), Qt::CaseInsensitive))
singleLine = false;
else if (!args.at(1).compare(QLatin1String("blob"), Qt::CaseInsensitive))
blob = true;
else if (!args.at(1).compare(QLatin1String("lines"), Qt::CaseInsensitive))
lines = true;
}
int exitCode;
QByteArray bytes = getCommandOutput(args.at(0).toQString(), &exitCode);
if (args.count() > 2 && !args.at(2).isEmpty()) {
m_valuemapStack.top()[args.at(2).toKey()] =
ProStringList(ProString(QString::number(exitCode)));
}
if (lines) {
QTextStream stream(bytes);
while (!stream.atEnd())
ret += ProString(stream.readLine());
} else {
QString output = QString::fromLocal8Bit(bytes);
if (blob) {
ret += ProString(output);
} else {
output.replace(QLatin1Char('\t'), QLatin1Char(' '));
if (singleLine)
output.replace(QLatin1Char('\n'), QLatin1Char(' '));
ret += split_value_list(QStringRef(&output));
}
}
break;
}
case E_UNIQUE:
ret = values(map(args.at(0)));
ret.removeDuplicates();
break;
case E_SORTED:
ret = values(map(args.at(0)));
std::sort(ret.begin(), ret.end());
break;
case E_REVERSE: {
ProStringList var = values(args.at(0).toKey());
for (int i = 0; i < var.size() / 2; i++)
qSwap(var[i], var[var.size() - i - 1]);
ret += var;
break;
}
case E_QUOTE:
ret += args;
break;
case E_ESCAPE_EXPAND:
for (int i = 0; i < args.size(); ++i) {
QString str = args.at(i).toQString();
QChar *i_data = str.data();
int i_len = str.length();
for (int x = 0; x < i_len; ++x) {
if (*(i_data+x) == QLatin1Char('\\') && x < i_len-1) {
if (*(i_data+x+1) == QLatin1Char('\\')) {
++x;
} else {
struct {
char in, out;
} mapped_quotes[] = {
{ 'n', '\n' },
{ 't', '\t' },
{ 'r', '\r' },
{ 0, 0 }
};
for (int i = 0; mapped_quotes[i].in; ++i) {
if (*(i_data+x+1) == QLatin1Char(mapped_quotes[i].in)) {
*(i_data+x) = QLatin1Char(mapped_quotes[i].out);
if (x < i_len-2)
memmove(i_data+x+1, i_data+x+2, (i_len-x-2)*sizeof(QChar));
--i_len;
break;
}
}
}
}
}
ret.append(ProString(QString(i_data, i_len)).setSource(args.at(i)));
}
break;
case E_RE_ESCAPE:
for (int i = 0; i < args.size(); ++i) {
ProStringRwUser u1(args.at(i), m_tmp1);
ret << u1.extract(QRegExp::escape(u1.str()));
}
break;
case E_VAL_ESCAPE: {
const ProStringList &vals = values(args.at(0).toKey());
ret.reserve(vals.size());
for (const ProString &str : vals)