Changeset b91bfde for src/AST

Timestamp:

Apr 12, 2021, 11:53:30 AM (4 years ago)

Author:

Andrew Beach <ajbeach@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

73f4d08

Parents:

ecfd758

Message:

Added and used some helpers. The widely useful one is a from_string helper for constants.

Location:

src/AST

Files:

• Expr.cpp (modified) (1 diff)
• Expr.hpp (modified) (1 diff)

src/AST/Expr.cpp ¶

@@ -260 +260 @@
 }
 
+ConstantExpr * ConstantExpr::from_string( const CodeLocation & loc, const std::string & str ) {
+        const Type * charType = new BasicType( BasicType::Char );
+        // Adjust the length of the string for the terminator.
+        const Expr * strSize = from_ulong( loc, str.size() + 1 );
+        const Type * strType = new ArrayType( charType, strSize, FixedLen, StaticDim );
+        const std::string strValue = "\"" + str + "\"";
+        return new ConstantExpr( loc, strType, strValue, std::nullopt );
+}
+
 ConstantExpr * ConstantExpr::null( const CodeLocation & loc, const Type * ptrType ) {
         return new ConstantExpr{

src/AST/Expr.hpp ¶

@@ -438 +438 @@
         long long int intValue() const;
 
-        /// generates a boolean constant of the given bool
+        /// Generates a boolean constant of the given bool.
         static ConstantExpr * from_bool( const CodeLocation & loc, bool b );
-        /// generates an integer constant of the given int
+        /// Generates an integer constant of the given int.
         static ConstantExpr * from_int( const CodeLocation & loc, int i );
-        /// generates an integer constant of the given unsigned long int
+        /// Generates an integer constant of the given unsigned long int.
         static ConstantExpr * from_ulong( const CodeLocation & loc, unsigned long i );
-        /// generates a null pointer value for the given type. void * if omitted.
+        /// Generates a string constant from the given string (char type, unquoted string).
+        static ConstantExpr * from_string( const CodeLocation & loc, const std::string & string );
+        /// Generates a null pointer value for the given type. void * if omitted.
         static ConstantExpr * null( const CodeLocation & loc, const Type * ptrType = nullptr );