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make error() propagate from custom replace functions

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it didn't, which is rather unexpected.

Change-Id: I8cdb7b1490a8c2207809812b93cc65fbe23a1b98
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
(cherry picked from qtbase/339b9706ccbed4063a92337c9994731793558b0a)
Reviewed-by: Jake Petroules <jake.petroules@qt.io>
This commit is contained in:
Oswald Buddenhagen
2016-06-29 16:56:57 +02:00
parent b4ac7f6d2c
commit 3fe303ebfe
2 changed files with 73 additions and 51 deletions
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110
src/shared/proparser/qmakeevaluator.cpp
View File

@@ -401,7 +401,7 @@ static ALWAYS_INLINE void addStrList(
}
}
void QMakeEvaluator::evaluateExpression(
QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateExpression(
const ushort *&tokPtr, ProStringList *ret, bool joined)
{
debugMsg(2, joined ? "evaluating joined expression" : "evaluating expression");
@@ -451,12 +451,15 @@ void QMakeEvaluator::evaluateExpression(
case TokFuncName: {
const ProKey &func = pro->getHashStr(tokPtr);
debugMsg(2, "function %s", dbgKey(func));
addStrList(evaluateExpandFunction(func, tokPtr), tok, ret, pending, joined);
ProStringList val;
if (evaluateExpandFunction(func, tokPtr, &val) == ReturnError)
return ReturnError;
addStrList(val, tok, ret, pending, joined);
break; }
default:
debugMsg(2, "evaluated expression => %s", dbgStrList(*ret));
tokPtr--;
return;
return ReturnTrue;
}
}
}
@@ -528,7 +531,9 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::visitProBlock(
case TokAppendUnique:
case TokRemove:
case TokReplace:
visitProVariable(tok, curr, tokPtr);
ret = visitProVariable(tok, curr, tokPtr);
if (ret == ReturnError)
break;
curr.clear();
continue;
case TokBranch:
@@ -688,9 +693,9 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::visitProBlock(
continue;
default: {
const ushort *oTokPtr = --tokPtr;
evaluateExpression(tokPtr, &curr, false);
if (tokPtr != oTokPtr)
continue;
ret = evaluateExpression(tokPtr, &curr, false);
if (ret == ReturnError || tokPtr != oTokPtr)
break;
}
Q_ASSERT_X(false, "visitProBlock", "unexpected item type");
continue;
@@ -723,7 +728,10 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::visitProLoop(
int index = 0;
ProKey variable;
ProStringList oldVarVal;
ProString it_list = expandVariableReferences(exprPtr, 0, true).at(0);
ProStringList it_list_out;
if (expandVariableReferences(exprPtr, 0, &it_list_out, true) == ReturnError)
return ReturnError;
ProString it_list = it_list_out.at(0);
if (_variable.isEmpty()) {
if (it_list != statics.strever) {
evalError(fL1S("Invalid loop expression."));
@@ -820,7 +828,7 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::visitProLoop(
return ret;
}
void QMakeEvaluator::visitProVariable(
QMakeEvaluator::VisitReturn QMakeEvaluator::visitProVariable(
ushort tok, const ProStringList &curr, const ushort *&tokPtr)
{
int sizeHint = *tokPtr++;
@@ -829,24 +837,26 @@ void QMakeEvaluator::visitProVariable(
skipExpression(tokPtr);
if (!m_cumulative || !curr.isEmpty())
evalError(fL1S("Left hand side of assignment must expand to exactly one word."));
return;
return ReturnTrue;
}
const ProKey &varName = map(curr.first());
if (tok == TokReplace) { // ~=
// DEFINES ~= s/a/b/?[gqi]
const ProStringList &varVal = expandVariableReferences(tokPtr, sizeHint, true);
ProStringList varVal;
if (expandVariableReferences(tokPtr, sizeHint, &varVal, true) == ReturnError)
return ReturnError;
const QString &val = varVal.at(0).toQString(m_tmp1);
if (val.length() < 4 || val.at(0) != QLatin1Char('s')) {
evalError(fL1S("The ~= operator can handle only the s/// function."));
return;
return ReturnTrue;
}
QChar sep = val.at(1);
QStringList func = val.split(sep);
if (func.count() < 3 || func.count() > 4) {
evalError(fL1S("The s/// function expects 3 or 4 arguments."));
return;
return ReturnTrue;
}
bool global = false, quote = false, case_sense = false;
@@ -867,7 +877,9 @@ void QMakeEvaluator::visitProVariable(
replaceInList(&valuesRef(varName), regexp, replace, global, m_tmp2);
debugMsg(2, "replaced %s with %s", dbgQStr(pattern), dbgQStr(replace));
} else {
ProStringList varVal = expandVariableReferences(tokPtr, sizeHint);
ProStringList varVal;
if (expandVariableReferences(tokPtr, sizeHint, &varVal, false) == ReturnError)
return ReturnError;
switch (tok) {
default: // whatever - cannot happen
case TokAssign: // =
@@ -915,6 +927,8 @@ void QMakeEvaluator::visitProVariable(
else if (varName == statics.strREQUIRES)
checkRequirements(values(varName));
#endif
return ReturnTrue;
}
void QMakeEvaluator::setTemplate()
@@ -1602,18 +1616,18 @@ bool QMakeEvaluator::isActiveConfig(const QString &config, bool regex)
return false;
}
ProStringList QMakeEvaluator::expandVariableReferences(
const ushort *&tokPtr, int sizeHint, bool joined)
QMakeEvaluator::VisitReturn QMakeEvaluator::expandVariableReferences(
const ushort *&tokPtr, int sizeHint, ProStringList *ret, bool joined)
{
ProStringList ret;
ret.reserve(sizeHint);
ret->reserve(sizeHint);
forever {
evaluateExpression(tokPtr, &ret, joined);
if (evaluateExpression(tokPtr, ret, joined) == ReturnError)
return ReturnError;
switch (*tokPtr) {
case TokValueTerminator:
case TokFuncTerminator:
tokPtr++;
return ret;
return ReturnTrue;
case TokArgSeparator:
if (joined) {
tokPtr++;
@@ -1627,28 +1641,28 @@ ProStringList QMakeEvaluator::expandVariableReferences(
}
}
QList<ProStringList> QMakeEvaluator::prepareFunctionArgs(const ushort *&tokPtr)
QMakeEvaluator::VisitReturn QMakeEvaluator::prepareFunctionArgs(
const ushort *&tokPtr, QList<ProStringList> *ret)
{
QList<ProStringList> args_list;
if (*tokPtr != TokFuncTerminator) {
for (;; tokPtr++) {
ProStringList arg;
evaluateExpression(tokPtr, &arg, false);
args_list << arg;
if (evaluateExpression(tokPtr, &arg, false) == ReturnError)
return ReturnError;
*ret << arg;
if (*tokPtr == TokFuncTerminator)
break;
Q_ASSERT(*tokPtr == TokArgSeparator);
}
}
tokPtr++;
return args_list;
return ReturnTrue;
}
ProStringList QMakeEvaluator::evaluateFunction(
const ProFunctionDef &func, const QList<ProStringList> &argumentsList, VisitReturn *ok)
QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateFunction(
const ProFunctionDef &func, const QList<ProStringList> &argumentsList, ProStringList *ret)
{
VisitReturn vr;
ProStringList ret;
if (m_valuemapStack.count() >= 100) {
evalError(fL1S("Ran into infinite recursion (depth > 100)."));
@@ -1667,25 +1681,22 @@ ProStringList QMakeEvaluator::evaluateFunction(
vr = visitProBlock(func.pro(), func.tokPtr());
if (vr == ReturnReturn)
vr = ReturnTrue;
ret = m_returnValue;
if (vr == ReturnTrue)
*ret = m_returnValue;
m_returnValue.clear();
m_current = m_locationStack.pop();
m_valuemapStack.pop();
}
if (ok)
*ok = vr;
if (vr == ReturnTrue)
return ret;
return ProStringList();
return vr;
}
QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBoolFunction(
const ProFunctionDef &func, const QList<ProStringList> &argumentsList,
const ProString &function)
{
VisitReturn vr;
ProStringList ret = evaluateFunction(func, argumentsList, &vr);
ProStringList ret;
VisitReturn vr = evaluateFunction(func, argumentsList, &ret);
if (vr == ReturnTrue) {
if (ret.isEmpty())
return ReturnTrue;
@@ -1713,13 +1724,18 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateConditionalFunction(
{
if (int func_t = statics.functions.value(func)) {
//why don't the builtin functions just use args_list? --Sam
return evaluateBuiltinConditional(func_t, func, expandVariableReferences(tokPtr, 5, true));
ProStringList args;
if (expandVariableReferences(tokPtr, 5, &args, true) == ReturnError)
return ReturnError;
return evaluateBuiltinConditional(func_t, func, args);
}
QHash<ProKey, ProFunctionDef>::ConstIterator it =
m_functionDefs.testFunctions.constFind(func);
if (it != m_functionDefs.testFunctions.constEnd()) {
const QList<ProStringList> args = prepareFunctionArgs(tokPtr);
QList<ProStringList> args;
if (prepareFunctionArgs(tokPtr, &args) == ReturnError)
return ReturnError;
traceMsg("calling %s(%s)", dbgKey(func), dbgStrListList(args));
return evaluateBoolFunction(*it, args, func);
}
@@ -1729,25 +1745,31 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateConditionalFunction(
return ReturnFalse;
}
ProStringList QMakeEvaluator::evaluateExpandFunction(
const ProKey &func, const ushort *&tokPtr)
QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateExpandFunction(
const ProKey &func, const ushort *&tokPtr, ProStringList *ret)
{
if (int func_t = statics.expands.value(func)) {
//why don't the builtin functions just use args_list? --Sam
return evaluateBuiltinExpand(func_t, func, expandVariableReferences(tokPtr, 5, true));
ProStringList args;
if (expandVariableReferences(tokPtr, 5, &args, true) == ReturnError)
return ReturnError;
*ret = evaluateBuiltinExpand(func_t, func, args);
return ReturnTrue;
}
QHash<ProKey, ProFunctionDef>::ConstIterator it =
m_functionDefs.replaceFunctions.constFind(func);
if (it != m_functionDefs.replaceFunctions.constEnd()) {
const QList<ProStringList> args = prepareFunctionArgs(tokPtr);
QList<ProStringList> args;
if (prepareFunctionArgs(tokPtr, &args) == ReturnError)
return ReturnError;
traceMsg("calling $$%s(%s)", dbgKey(func), dbgStrListList(args));
return evaluateFunction(*it, args, 0);
return evaluateFunction(*it, args, ret);
}
skipExpression(tokPtr);
evalError(fL1S("'%1' is not a recognized replace function.").arg(func.toQString(m_tmp1)));
return ProStringList();
return ReturnFalse;
}
QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateConditional(

14
src/shared/proparser/qmakeevaluator.h
View File

@@ -144,7 +144,7 @@ public:
{ return b ? ReturnTrue : ReturnFalse; }
static ALWAYS_INLINE uint getBlockLen(const ushort *&tokPtr);
void evaluateExpression(const ushort *&tokPtr, ProStringList *ret, bool joined);
VisitReturn evaluateExpression(const ushort *&tokPtr, ProStringList *ret, bool joined);
static ALWAYS_INLINE void skipStr(const ushort *&tokPtr);
static ALWAYS_INLINE void skipHashStr(const ushort *&tokPtr);
void skipExpression(const ushort *&tokPtr);
@@ -164,7 +164,7 @@ public:
VisitReturn visitProLoop(const ProKey &variable, const ushort *exprPtr,
const ushort *tokPtr);
void visitProFunctionDef(ushort tok, const ProKey &name, const ushort *tokPtr);
void visitProVariable(ushort tok, const ProStringList &curr, const ushort *&tokPtr);
VisitReturn visitProVariable(ushort tok, const ProStringList &curr, const ushort *&tokPtr);
ALWAYS_INLINE const ProKey &map(const ProString &var) { return map(var.toKey()); }
const ProKey &map(const ProKey &var);
@@ -173,7 +173,7 @@ public:
void setTemplate();
ProStringList split_value_list(const QString &vals, const ProFile *source = 0);
ProStringList expandVariableReferences(const ushort *&tokPtr, int sizeHint = 0, bool joined = false);
VisitReturn expandVariableReferences(const ushort *&tokPtr, int sizeHint, ProStringList *ret, bool joined);
QString currentFileName() const;
QString currentDirectory() const;
@@ -198,14 +198,14 @@ public:
void deprecationWarning(const QString &msg) const
{ message(QMakeHandler::EvalWarnDeprecated, msg); }
QList<ProStringList> prepareFunctionArgs(const ushort *&tokPtr);
ProStringList evaluateFunction(const ProFunctionDef &func,
const QList<ProStringList> &argumentsList, VisitReturn *ok);
VisitReturn prepareFunctionArgs(const ushort *&tokPtr, QList<ProStringList> *ret);
VisitReturn evaluateFunction(const ProFunctionDef &func,
const QList<ProStringList> &argumentsList, ProStringList *ret);
VisitReturn evaluateBoolFunction(const ProFunctionDef &func,
const QList<ProStringList> &argumentsList,
const ProString &function);
ProStringList evaluateExpandFunction(const ProKey &function, const ushort *&tokPtr);
VisitReturn evaluateExpandFunction(const ProKey &function, const ushort *&tokPtr, ProStringList *ret);
VisitReturn evaluateConditionalFunction(const ProKey &function, const ushort *&tokPtr);
ProStringList evaluateBuiltinExpand(int func_t, const ProKey &function, const ProStringList &args);