Fix typos in dfcc

Author: qinheping

src/goto-instrument/contracts/dynamic-frames/dfcc_instrument.cpp

@@ -133,7 +133,7 @@ void dfcc_instrumentt::get_instrumented_functions(
   are allowed for deallocation by the write set.
 
   There is also a number of CPROVER global static symbols that are used to
-  suport memory safety property instrumentation, and assignments to these
+  support memory safety property instrumentation, and assignments to these
   statics should always be allowed (i.e not instrumented):
   - __CPROVER_alloca_object,
   - __CPROVER_dead_object,
@@ -831,7 +831,7 @@ void dfcc_instrumentt::instrument_assign(
   if(rhs.id() == ID_side_effect && rhs.get(ID_statement) == ID_allocate)
   {
     // ```
-    // CALL lhs := side_effect(statemet = ID_allocate, args = {size, clear});
+    // CALL lhs := side_effect(statement = ID_allocate, args = {size, clear});
     // ----
     // IF !write_set GOTO skip_target;
     // CALL add_allocated(write_set, lhs);
@@ -1078,7 +1078,7 @@ void dfcc_instrumentt::instrument_other(
     // DEAD check_array_set;
     // skip_target: SKIP;
     // ----
-    // OTHER {statemet = array_set, args = {dest, value}};
+    // OTHER {statement = array_set, args = {dest, value}};
     // ```
     const auto &mode = utils.get_function_symbol(function_id).mode;
     goto_programt payload;
@@ -1139,7 +1139,7 @@ void dfcc_instrumentt::instrument_other(
     // DEAD check_array_replace;
     // skip_target: SKIP;
     // ----
-    // OTHER {statemet = array_replace, args = {dest, src}};
+    // OTHER {statement = array_replace, args = {dest, src}};
     // ```
     const auto &mode = utils.get_function_symbol(function_id).mode;
     goto_programt payload;

src/goto-instrument/contracts/dynamic-frames/dfcc_instrument.h

@@ -105,7 +105,7 @@ class dfcc_instrumentt
   /// variables in the write set.
   ///
   /// \pre The function must be a function wrapped for contract checking or
-  /// replacemend. For other functions \ref instrument_function must be used
+  /// replacement. For other functions \ref instrument_function must be used
   /// instead.
   ///
   /// \param wrapped_function_id The name of the function, used to retrieve the
@@ -309,7 +309,7 @@ class dfcc_instrumentt
 
   /// Instrument the \p lhs of an `ASSIGN lhs := rhs` instruction by
   /// adding an inclusion check of \p lhs in \p write_set.
-  /// If \ref is_dead_object_update returns a successfull match, the matched
+  /// If \ref is_dead_object_update returns a successful match, the matched
   /// pointer expression is removed from \p write_set.
   /// If \p rhs is a `side_effect_expr(ID_allocate)`, the allocated pointer gets
   /// added to the \p write_set.
@@ -332,7 +332,7 @@ class dfcc_instrumentt
   /// Before calling a function pointer, performs a dynamic lookup into
   /// the map of instrumented function provided by
   /// \ref dfcc_libraryt.get_instrumented_functions_map_symbol,
-  /// and passes the write_set parameter to the funciton pointer only if
+  /// and passes the write_set parameter to the function pointer only if
   /// it points to a function known to be instrumented and hence able to accept
   /// this parameter.
   /// \pre \p target points to a `CALL` instruction where the function