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Remove 'externGlobals' member from Module; instead find them when needed via new SymbolTable::GetMatchingVariables method.

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This commit is contained in:
Matt Pharr
2011-10-04 06:36:31 -07:00
parent fa5050d5c7
commit a6fc657b40
8 changed files with 44 additions and 29 deletions
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32
sym.h
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@@ -41,6 +41,7 @@
#define ISPC_SYM_H
#include "ispc.h"
#include "decl.h"
#include <map>
class StructType;
@@ -63,7 +64,8 @@ class Symbol {
public:
/** The Symbol constructor takes the name of the symbol, its
position in a source file, and its type (if known). */
Symbol(const std::string &name, SourcePos pos, const Type *t = NULL);
Symbol(const std::string &name, SourcePos pos, const Type *t = NULL,
StorageClass sc = SC_NONE);
/** This method should only be called for function symbols; for them,
it returns a mangled version of the function name with the argument
@@ -93,8 +95,8 @@ public:
storagePtr member will be its constant value. (This
messiness is due to needing an ispc ConstExpr for the early
constant folding optimizations). */
bool isStatic; /*!< Records whether this symbol had a static qualifier in
its declaration. */
StorageClass storageClass;/*!< Records the storage class (if any) provided with the
symbol's declaration. */
int varyingCFDepth; /*!< This member records the number of levels of nested 'varying'
control flow within which the symbol was declared. Having
this value available makes it possible to avoid performing
@@ -186,6 +188,14 @@ public:
void GetMatchingFunctions(Predicate pred,
std::vector<Symbol *> *matches) const;
/** Returns all of the variable symbols in the symbol table that match
the given predicate. The predicate is defined as in the
GetMatchingFunctions() method.
*/
template <typename Predicate>
void GetMatchingVariables(Predicate pred,
std::vector<Symbol *> *matches) const;
/** Adds the named type to the symbol table. This is used for both
struct definitions (where <tt>struct Foo</tt> causes type \c Foo to
be added to the symbol table) as well as for <tt>typedef</tt>s.
@@ -251,9 +261,9 @@ private:
};
template <typename Predicate>
void SymbolTable::GetMatchingFunctions(Predicate pred,
std::vector<Symbol *> *matches) const {
template <typename Predicate> void
SymbolTable::GetMatchingFunctions(Predicate pred,
std::vector<Symbol *> *matches) const {
// Iterate through all function symbols and apply the given predicate.
// If it returns true, add the Symbol * to the provided vector.
std::map<std::string, std::vector<Symbol *> >::const_iterator iter;
@@ -266,4 +276,14 @@ void SymbolTable::GetMatchingFunctions(Predicate pred,
}
}
template <typename Predicate> void
SymbolTable::GetMatchingVariables(Predicate pred,
std::vector<Symbol *> *matches) const {
for (unsigned int i = 0; i < variables.size(); ++i)
for (unsigned int j = 0; j < variables[i]->size(); ++j)
if (pred((*variables[i])[j]))
matches->push_back((*variables[i])[j]);
}
#endif // ISPC_SYM_H