xo-reader2: + IPrintable+DExprSeqState

CMakeLists.txt

@@ -44,6 +44,18 @@ xo_add_genfacetimpl(
     OUTPUT_CPP_DIR src/reader2
 )
 
+# note: manual target; generated code committed to git
+xo_add_genfacetimpl(
+    TARGET xo-reader2-facetimpl-printable-exprseqstate
+    FACET_PKG xo_printable2
+    FACET Printable
+    REPR ExprSeqState
+    INPUT idl/IPrintable_DExprSeqState.json5
+    OUTPUT_HPP_DIR include/xo/reader2
+    OUTPUT_IMPL_SUBDIR ssm
+    OUTPUT_CPP_DIR src/reader2
+)
+
 # note: manual target; generated code committed to git
 xo_add_genfacetimpl(
     TARGET xo-reader2-facetimpl-syntaxstatemachine-definessm

idl/IPrintable_DExprSeqState.json5

@@ -0,0 +1,13 @@
+{
+    mode: "implementation",
+    includes: [ "<xo/printable2/Printable.hpp>",
+                "<xo/printable2/detail/IPrintable_Xfer.hpp>" ],
+    local_types: [],
+    namespace1: "xo",
+    namespace2: "scm",
+    facet_idl: "idl/Printable.json5",
+    brief: "provide APrintable interface for DExprSeqState",
+    using_doxygen: true,
+    repr: "DExprSeqState",
+    doc: [ "implement APrintable for DExprSeqState" ],
+}

include/xo/reader2/DExprSeqState.hpp

@@ -25,6 +25,13 @@ namespace xo {
             N
         };
 
+        const char * exprseqtype_descr(exprseqtype x);
+
+        inline std::ostream & operator<<(std::ostream & os, exprseqtype x) {
+            os << exprseqtype_descr(x);
+            return os;
+        }
+
         /** @class DExprSeqState
          *  @brief state machine for parsing a sequence of expression
          *
@@ -33,6 +40,7 @@ namespace xo {
         class DExprSeqState {
         public:
             using AAllocator = xo::mm::AAllocator;
+            using ppindentinfo = xo::print::ppindentinfo;
 
         public:
             explicit DExprSeqState(exprseqtype ty);
@@ -78,6 +86,13 @@ namespace xo {
             void on_parsed_symbol(std::string_view sym, ParserStateMachine * p_psm);
 
             ///@}
+            /** @defgroup scm-exprseq-printable-facet printable facet methods **/
+            ///@{
+
+            /** pretty-printing driver; combine layout+printing **/
+            bool pretty(const ppindentinfo & ppii) const;
+
+            ///@}
 
         private:
             /** sequence type. accept rvalue expressions when

include/xo/reader2/ssm/IPrintable_DExprSeqState.hpp

@@ -0,0 +1,62 @@
+/** @file IPrintable_DExprSeqState.hpp
+ *
+ *  Generated automagically from ingredients:
+ *  1. code generator:
+ *       [/Users/roland/proj/xo-umbrella2/xo-facet/codegen/genfacet]
+ *     arguments:
+ *       --input [idl/IPrintable_DExprSeqState.json5]
+ *  2. jinja2 template for abstract facet .hpp file:
+ *       [iface_facet_repr.hpp.j2]
+ *  3. idl for facet methods
+ *       [idl/IPrintable_DExprSeqState.json5]
+ **/
+
+#pragma once
+
+#include "Printable.hpp"
+#include <xo/printable2/Printable.hpp>
+#include <xo/printable2/detail/IPrintable_Xfer.hpp>
+#include "DExprSeqState.hpp"
+
+namespace xo { namespace scm { class IPrintable_DExprSeqState; } }
+
+namespace xo {
+    namespace facet {
+        template <>
+        struct FacetImplementation<xo::print::APrintable,
+                                   xo::scm::DExprSeqState>
+        {
+            using ImplType = xo::print::IPrintable_Xfer
+              <xo::scm::DExprSeqState,
+               xo::scm::IPrintable_DExprSeqState>;
+        };
+    }
+}
+
+namespace xo {
+    namespace scm {
+        /** @class IPrintable_DExprSeqState
+         **/
+        class IPrintable_DExprSeqState {
+        public:
+            /** @defgroup scm-printable-dexprseqstate-type-traits **/
+            ///@{
+            using ppindentinfo = xo::print::APrintable::ppindentinfo;
+            using Copaque = xo::print::APrintable::Copaque;
+            using Opaque = xo::print::APrintable::Opaque;
+            ///@}
+            /** @defgroup scm-printable-dexprseqstate-methods **/
+            ///@{
+            // const methods
+            /** Pretty-printing support for this object.
+See [xo-indentlog/xo/indentlog/pretty.hpp] **/
+            static bool pretty(const DExprSeqState & self, const ppindentinfo & ppii);
+
+            // non-const methods
+            ///@}
+        };
+
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end */

src/reader2/CMakeLists.txt

@@ -13,6 +13,7 @@ set(SELF_SRCS
 
     DExprSeqState.cpp
     ISyntaxStateMachine_DExprSeqState.cpp
+    IPrintable_DExprSeqState.cpp
 
     DDefineSsm.cpp
     ISyntaxStateMachine_DDefineSsm.cpp

src/reader2/DExprSeqState.cpp

@@ -13,6 +13,21 @@ namespace xo {
     using xo::reflect::typeseq;
 
     namespace scm {
+        const char *
+        exprseqtype_descr(exprseqtype x)
+        {
+            switch (x) {
+            case exprseqtype::toplevel_interactive:
+                return "toplevel-interactive";
+            case exprseqtype::toplevel_batch:
+                return "toplevel-batch";
+            case exprseqtype::N:
+                break;
+            }
+
+            return "exprseqtype?";
+        }
+
         DExprSeqState::DExprSeqState(exprseqtype ty) : seqtype_{ty}
         {}
 
@@ -153,6 +168,15 @@ namespace xo {
                                            sym,
                                            this->get_expect_str());
         }
+
+        bool
+        DExprSeqState::pretty(const ppindentinfo & ppii) const
+        {
+            return ppii.pps()->pretty_struct
+                (ppii,
+                 "DExprSeqState",
+                 refrtag("seqtype", seqtype_));
+        }
     } /*namespace scm*/
 } /*namespace xo*/
 

src/reader2/IPrintable_DExprSeqState.cpp

@@ -0,0 +1,28 @@
+/** @file IPrintable_DExprSeqState.cpp
+ *
+ *  Generated automagically from ingredients:
+ *  1. code generator:
+ *       [/Users/roland/proj/xo-umbrella2/xo-facet/codegen/genfacet]
+ *     arguments:
+ *       --input [idl/IPrintable_DExprSeqState.json5]
+ *  2. jinja2 template for abstract facet .hpp file:
+ *       [iface_facet_any.hpp.j2]
+ *  3. idl for facet methods
+ *       [idl/IPrintable_DExprSeqState.json5]
+**/
+
+#include "ssm/IPrintable_DExprSeqState.hpp"
+
+namespace xo {
+    namespace scm {
+        auto
+        IPrintable_DExprSeqState::pretty(const DExprSeqState & self, const ppindentinfo & ppii) -> bool
+        {
+            return self.pretty(ppii);
+        }
+
+
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end IPrintable_DExprSeqState.cpp */