feedc0de/qt-creator
1
0
Fork 0
forked from qt-creator/qt-creator
Code Pull Requests Activity

Move the textual simplification of container type to debugger again

Browse Source 
This is the only user, and likely will stay so for a while, and
eases the linking of the debugger autotests.

Change-Id: I822fa892f105a5b7985370b26e50aa94cac74bb3
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
This commit is contained in:
hjk
2014-01-08 14:10:56 +01:00
parent 11264ef6b9
commit df2ecb4edd
15 changed files with 267 additions and 246 deletions
Download Patch File Download Diff File Expand all files Collapse all files

223
src/libs/cplusplus/CppRewriter.cpp
View File

@@ -40,14 +40,8 @@
#include <cplusplus/Scope.h>
#include <QVarLengthArray>
#include <QRegExp>
#include <QDebug>
#define QTC_ASSERT_STRINGIFY_HELPER(x) #x
#define QTC_ASSERT_STRINGIFY(x) QTC_ASSERT_STRINGIFY_HELPER(x)
#define QTC_ASSERT_STRING(cond) qDebug("SOFT ASSERT: \"" cond"\" in file " __FILE__ ", line " QTC_ASSERT_STRINGIFY(__LINE__))
#define QTC_ASSERT(cond, action) if (cond) {} else { QTC_ASSERT_STRING(#cond); action; } do {} while (0)
namespace CPlusPlus {
class Rewrite
@@ -448,221 +442,4 @@ const Name *rewriteName(const Name *name,
return rewrite.rewriteName(name);
}
// Simplify complicated STL template types,
// such as 'std::basic_string<char,std::char_traits<char>,std::allocator<char> >'
// -> 'std::string' and helpers.
static QString chopConst(QString type)
{
while (1) {
if (type.startsWith(QLatin1String("const")))
type = type.mid(5);
else if (type.startsWith(QLatin1Char(' ')))
type = type.mid(1);
else if (type.endsWith(QLatin1String("const")))
type.chop(5);
else if (type.endsWith(QLatin1Char(' ')))
type.chop(1);
else
break;
}
return type;
}
static inline QRegExp stdStringRegExp(const QString &charType)
{
QString rc = QLatin1String("basic_string<");
rc += charType;
rc += QLatin1String(",[ ]?std::char_traits<");
rc += charType;
rc += QLatin1String(">,[ ]?std::allocator<");
rc += charType;
rc += QLatin1String("> >");
const QRegExp re(rc);
QTC_ASSERT(re.isValid(), /**/);
return re;
}
// Simplify string types in a type
// 'std::set<std::basic_string<char... > >' -> std::set<std::string>'
static inline void simplifyStdString(const QString &charType, const QString &replacement,
QString *type)
{
QRegExp stringRegexp = stdStringRegExp(charType);
const int replacementSize = replacement.size();
for (int pos = 0; pos < type->size(); ) {
// Check next match
const int matchPos = stringRegexp.indexIn(*type, pos);
if (matchPos == -1)
break;
const int matchedLength = stringRegexp.matchedLength();
type->replace(matchPos, matchedLength, replacement);
pos = matchPos + replacementSize;
// If we were inside an 'allocator<std::basic_string..char > >'
// kill the following blank -> 'allocator<std::string>'
if (pos + 1 < type->size() && type->at(pos) == QLatin1Char(' ')
&& type->at(pos + 1) == QLatin1Char('>'))
type->remove(pos, 1);
}
}
// Fix 'std::allocator<std::string >' -> 'std::allocator<std::string>',
// which can happen when replacing/simplifying
static inline QString fixNestedTemplates(QString s)
{
const int size = s.size();
if (size > 3
&& s.at(size - 1) == QLatin1Char('>')
&& s.at(size - 2) == QLatin1Char(' ')
&& s.at(size - 3) != QLatin1Char('>'))
s.remove(size - 2, 1);
return s;
}
CPLUSPLUS_EXPORT QString simplifySTLType(const QString &typeIn)
{
QString type = typeIn;
if (type.startsWith(QLatin1String("class "))) // MSVC prepends class,struct
type.remove(0, 6);
if (type.startsWith(QLatin1String("struct ")))
type.remove(0, 7);
type.replace(QLatin1String("std::__1::"), QLatin1String("std::"));
type.replace(QLatin1String("std::__debug::"), QLatin1String("std::"));
type.replace(QLatin1Char('*'), QLatin1Char('@'));
for (int i = 0; i < 10; ++i) {
// std::ifstream
QRegExp ifstreamRE(QLatin1String("std::basic_ifstream<char,\\s*std::char_traits<char>\\s*>"));
ifstreamRE.setMinimal(true);
QTC_ASSERT(ifstreamRE.isValid(), return typeIn);
if (ifstreamRE.indexIn(type) != -1)
type.replace(ifstreamRE.cap(0), QLatin1String("std::ifstream"));
// Anything with a std::allocator
int start = type.indexOf(QLatin1String("std::allocator<"));
if (start == -1)
break;
// search for matching '>'
int pos;
int level = 0;
for (pos = start + 12; pos < type.size(); ++pos) {
int c = type.at(pos).unicode();
if (c == '<') {
++level;
} else if (c == '>') {
--level;
if (level == 0)
break;
}
}
const QString alloc = fixNestedTemplates(type.mid(start, pos + 1 - start).trimmed());
const QString inner = fixNestedTemplates(alloc.mid(15, alloc.size() - 16).trimmed());
const QString allocEsc = QRegExp::escape(alloc);
const QString innerEsc = QRegExp::escape(inner);
if (inner == QLatin1String("char")) { // std::string
simplifyStdString(QLatin1String("char"), QLatin1String("string"), &type);
} else if (inner == QLatin1String("wchar_t")) { // std::wstring
simplifyStdString(QLatin1String("wchar_t"), QLatin1String("wstring"), &type);
} else if (inner == QLatin1String("unsigned short")) { // std::wstring/MSVC
simplifyStdString(QLatin1String("unsigned short"), QLatin1String("wstring"), &type);
}
// std::vector, std::deque, std::list
QRegExp re1(QString::fromLatin1("(vector|list|deque)<%1, ?%2\\s*>").arg(innerEsc, allocEsc));
QTC_ASSERT(re1.isValid(), return typeIn);
if (re1.indexIn(type) != -1)
type.replace(re1.cap(0), QString::fromLatin1("%1<%2>").arg(re1.cap(1), inner));
// std::stack
QRegExp stackRE(QString::fromLatin1("stack<%1, ?std::deque<%2> >").arg(innerEsc, innerEsc));
stackRE.setMinimal(true);
QTC_ASSERT(stackRE.isValid(), return typeIn);
if (stackRE.indexIn(type) != -1)
type.replace(stackRE.cap(0), QString::fromLatin1("stack<%1>").arg(inner));
// std::set
QRegExp setRE(QString::fromLatin1("set<%1, ?std::less<%2>, ?%3\\s*>").arg(innerEsc, innerEsc, allocEsc));
setRE.setMinimal(true);
QTC_ASSERT(setRE.isValid(), return typeIn);
if (setRE.indexIn(type) != -1)
type.replace(setRE.cap(0), QString::fromLatin1("set<%1>").arg(inner));
// std::unordered_set
QRegExp unorderedSetRE(QString::fromLatin1("unordered_set<%1, ?std::hash<%2>, ?std::equal_to<%3>, ?%4\\s*>")
.arg(innerEsc, innerEsc, innerEsc, allocEsc));
unorderedSetRE.setMinimal(true);
QTC_ASSERT(unorderedSetRE.isValid(), return typeIn);
if (unorderedSetRE.indexIn(type) != -1)
type.replace(unorderedSetRE.cap(0), QString::fromLatin1("unordered_set<%1>").arg(inner));
// std::map
if (inner.startsWith(QLatin1String("std::pair<"))) {
// search for outermost ',', split key and value
int pos;
int level = 0;
for (pos = 10; pos < inner.size(); ++pos) {
int c = inner.at(pos).unicode();
if (c == '<')
++level;
else if (c == '>')
--level;
else if (c == ',' && level == 0)
break;
}
const QString key = chopConst(inner.mid(10, pos - 10));
const QString keyEsc = QRegExp::escape(key);
// Get value: MSVC: 'pair<a const ,b>', gcc: 'pair<const a, b>'
if (inner.at(++pos) == QLatin1Char(' '))
pos++;
const QString value = inner.mid(pos, inner.size() - pos - 1).trimmed();
const QString valueEsc = QRegExp::escape(value);
QRegExp mapRE1(QString::fromLatin1("map<%1, ?%2, ?std::less<%3 ?>, ?%4\\s*>")
.arg(keyEsc, valueEsc, keyEsc, allocEsc));
mapRE1.setMinimal(true);
QTC_ASSERT(mapRE1.isValid(), return typeIn);
if (mapRE1.indexIn(type) != -1) {
type.replace(mapRE1.cap(0), QString::fromLatin1("map<%1, %2>").arg(key, value));
} else {
QRegExp mapRE2(QString::fromLatin1("map<const %1, ?%2, ?std::less<const %3>, ?%4\\s*>")
.arg(keyEsc, valueEsc, keyEsc, allocEsc));
mapRE2.setMinimal(true);
if (mapRE2.indexIn(type) != -1)
type.replace(mapRE2.cap(0), QString::fromLatin1("map<const %1, %2>").arg(key, value));
}
}
// std::unordered_map
if (inner.startsWith(QLatin1String("std::pair<"))) {
// search for outermost ',', split key and value
int pos;
int level = 0;
for (pos = 10; pos < inner.size(); ++pos) {
int c = inner.at(pos).unicode();
if (c == '<')
++level;
else if (c == '>')
--level;
else if (c == ',' && level == 0)
break;
}
const QString key = chopConst(inner.mid(10, pos - 10));
const QString keyEsc = QRegExp::escape(key);
// Get value: MSVC: 'pair<a const ,b>', gcc: 'pair<const a, b>'
if (inner.at(++pos) == QLatin1Char(' '))
pos++;
const QString value = inner.mid(pos, inner.size() - pos - 1).trimmed();
const QString valueEsc = QRegExp::escape(value);
QRegExp mapRE1(QString::fromLatin1("unordered_map<%1, ?%2, ?std::hash<%3 ?>, ?std::equal_to<%4 ?>, ?%5\\s*>")
.arg(keyEsc, valueEsc, keyEsc, keyEsc, allocEsc));
mapRE1.setMinimal(true);
QTC_ASSERT(mapRE1.isValid(), return typeIn);
if (mapRE1.indexIn(type) != -1)
type.replace(mapRE1.cap(0), QString::fromLatin1("unordered_map<%1, %2>").arg(key, value));
}
}
type.replace(QLatin1Char('@'), QLatin1Char('*'));
type.replace(QLatin1String(" >"), QLatin1String(">"));
return type;
}
} // namespace CPlusPlus