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Factor out the checks for unused variables

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This commit is contained in:
Ben Boeckel 2010-09-22 12:40:43 -04:00
parent 5e41ba8e4a
commit c6e7fabc0f
2 changed files with 19 additions and 9 deletions
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26
Source/cmMakefile.cxx
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@ -178,15 +178,9 @@ bool cmMakefile::NeedCacheCompatibility(int major, int minor)
cmMakefile::~cmMakefile() cmMakefile::~cmMakefile()
{ {
std::set<cmStdString> usage = this->Internal->VarUsageStack.top(); // Check for unused variables
std::set<cmStdString>::const_iterator it = usage.begin(); this->CheckForUnusedVariables();
for (; it != usage.end(); ++it)
{
if (!this->VariableUsed(it->c_str()))
{
this->CheckForUnused("out of scope", it->c_str());
}
}
for(std::vector<cmInstallGenerator*>::iterator for(std::vector<cmInstallGenerator*>::iterator
i = this->InstallGenerators.begin(); i = this->InstallGenerators.begin();
i != this->InstallGenerators.end(); ++i) i != this->InstallGenerators.end(); ++i)
@ -713,6 +707,9 @@ bool cmMakefile::ReadListFile(const char* filename_in,
// pop the listfile off the stack // pop the listfile off the stack
this->ListFileStack.pop_back(); this->ListFileStack.pop_back();
// Check for unused variables
this->CheckForUnusedVariables();
return true; return true;
} }
@ -1751,6 +1748,17 @@ void cmMakefile::AddDefinition(const char* name, bool value)
#endif #endif
} }
void cmMakefile::CheckForUnusedVariables() const
{
const cmDefinitions& defs = this->Internal->VarStack.top();
const std::set<cmStdString>& locals = defs.LocalKeys();
std::set<cmStdString>::const_iterator it = locals.begin();
for (; it != locals.end(); ++it)
{
this->CheckForUnused("out of scope", it->c_str());
}
}
void cmMakefile::MarkVariableAsUsed(const char* var) void cmMakefile::MarkVariableAsUsed(const char* var)
{ {
this->Internal->VarUsageStack.top().insert(var); this->Internal->VarUsageStack.top().insert(var);

2
Source/cmMakefile.h
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@ -61,6 +61,8 @@ public:
unsigned int GetCacheMajorVersion(); unsigned int GetCacheMajorVersion();
unsigned int GetCacheMinorVersion(); unsigned int GetCacheMinorVersion();
/* Check for unused variables in this scope */
void CheckForUnusedVariables() const;
/* Mark a variable as used */ /* Mark a variable as used */
void MarkVariableAsUsed(const char* var); void MarkVariableAsUsed(const char* var);
/* return true if a variable has been initialized */ /* return true if a variable has been initialized */