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add $$num_add() (numeric addition) function

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amazing how we managed to do without it for so long. ^^

the name is intentionally somewhat obscure to avoid clashes, and some
namespacing is good anyway.

[ChangeLog][qmake] Added $$num_add() function.

Change-Id: Ib7648b1f425ef096a87b51f158d0f1409e5c4daa
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
(cherry picked from qtbase/d3cc25ef52d0b2b7ba1cb06609f7c205ee19c2d6)
Reviewed-by: Jake Petroules <jake.petroules@qt.io>
This commit is contained in:
Oswald Buddenhagen
2016-05-13 13:31:14 +02:00
parent 5237499742
commit 455cc5a9f8
1 changed files with 26 additions and 2 deletions
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28
src/shared/proparser/qmakebuiltins.cpp
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@@ -82,8 +82,8 @@ QT_BEGIN_NAMESPACE
enum ExpandFunc {
E_INVALID = 0, E_MEMBER, E_FIRST, E_TAKE_FIRST, E_LAST, E_TAKE_LAST, E_SIZE,
E_CAT, E_FROMFILE, E_EVAL, E_LIST,
E_SPRINTF, E_FORMAT_NUMBER, E_JOIN, E_SPLIT, E_BASENAME, E_DIRNAME, E_SECTION,
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_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,
@@ -117,6 +117,7 @@ void QMakeEvaluator::initFunctionStatics()
{ "list", E_LIST },
{ "sprintf", E_SPRINTF },
{ "format_number", E_FORMAT_NUMBER },
{ "num_add", E_NUM_ADD },
{ "join", E_JOIN },
{ "split", E_SPLIT },
{ "basename", E_BASENAME },
@@ -601,6 +602,29 @@ ProStringList QMakeEvaluator::evaluateBuiltinExpand(
}
formfail:
break;
case E_NUM_ADD:
if (args.count() < 1 || args.at(0).isEmpty()) {
evalError(fL1S("num_add(num, ...) requires at least one argument."));
} else {
qlonglong sum = 0;
foreach (const ProString &arg, args) {
if (arg.contains(QLatin1Char('.'))) {
evalError(fL1S("num_add(): floats are currently not supported."));
goto nafail;
}
bool ok;
qlonglong num = arg.toLongLong(&ok);
if (!ok) {
evalError(fL1S("num_add(): malformed number %1.")
.arg(arg.toQString(m_tmp3)));
goto nafail;
}
sum += num;
}
ret += ProString(QString::number(sum));
}
nafail:
break;
case E_JOIN: {
if (args.count() < 1 || args.count() > 4) {
evalError(fL1S("join(var, glue, before, after) requires one to four arguments."));