summaryrefslogtreecommitdiff
path: root/include/llvm/Constants.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/Constants.h')
-rw-r--r--include/llvm/Constants.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h
index a4723d37f0..43f625a68f 100644
--- a/include/llvm/Constants.h
+++ b/include/llvm/Constants.h
@@ -352,6 +352,17 @@ public:
// ConstantArray accessors
static Constant *get(ArrayType *T, ArrayRef<Constant*> V);
+ /// This method constructs a ConstantArray and initializes it with a text
+ /// string. The default behavior (AddNull==true) causes a null terminator to
+ /// be placed at the end of the array. This effectively increases the length
+ /// of the array by one (you've been warned). However, in some situations
+ /// this is not desired so if AddNull==false then the string is copied without
+ /// null termination.
+
+ // FIXME Remove this.
+ static Constant *get(LLVMContext &Context, StringRef Initializer,
+ bool AddNull = true);
+
/// Transparently provide more efficient getOperand methods.
DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Constant);
@@ -362,6 +373,31 @@ public:
return reinterpret_cast<ArrayType*>(Value::getType());
}
+ // FIXME: String methods will eventually be removed.
+
+
+ /// isString - This method returns true if the array is an array of i8 and
+ /// the elements of the array are all ConstantInt's.
+ bool isString() const;
+
+ /// isCString - This method returns true if the array is a string (see
+ /// @verbatim
+ /// isString) and it ends in a null byte \0 and does not contains any other
+ /// @endverbatim
+ /// null bytes except its terminator.
+ bool isCString() const;
+
+ /// getAsString - If this array is isString(), then this method converts the
+ /// array to an std::string and returns it. Otherwise, it asserts out.
+ ///
+ std::string getAsString() const;
+
+ /// getAsCString - If this array is isCString(), then this method converts the
+ /// array (without the trailing null byte) to an std::string and returns it.
+ /// Otherwise, it asserts out.
+ ///
+ std::string getAsCString() const;
+
virtual void destroyConstant();
virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);