From f565ec39c80294aa46f79df071e9786428feada0 Mon Sep 17 00:00:00 2001
From: "Christopher L. Conway" <christopherleeconway@gmail.com>
Date: Tue, 24 Nov 2009 21:54:09 +0000
Subject: [PATCH] Stubbing commandsmake

---
 src/parser/pl.ypp  | 45 +++++++++++++++++++--------------------------
 src/util/command.h | 14 ++++++++++++++
 2 files changed, 33 insertions(+), 26 deletions(-)

diff --git a/src/parser/pl.ypp b/src/parser/pl.ypp
index b0946b41b..e7d752419 100644
--- a/src/parser/pl.ypp
+++ b/src/parser/pl.ypp
@@ -14,9 +14,9 @@
 %{
 
 #include "cvc4.h"
+#include "cvc4_expr.h"
 #include "parser/parser_exception.h"
 #include "parser/parser_state.h"
-#include "cvc4_expr.h"
 #include "expr/expr_builder.h"
 #include "expr/expr_manager.h"
 #include "util/command.h"
@@ -30,11 +30,11 @@ namespace CVC4 {
 }/* CVC4 hnamespace */
 
 // Define shortcuts for various things
-#define TMP CVC4::parser::parserState
-#define EXPR CVC4::parser::parserState->expr
-#define VC (CVC4::parser::parserState->vc)
+// #define TMP CVC4::parser::parserState
+// #define EXPR CVC4::parser::parserState->expr
+// #define VC (CVC4::parser::parserState->vc)
 #define EM (CVC4::parser::parserState->exprManager)
-#define RAT(args) CVC4::newRational args
+// #define RAT(args) CVC4::newRational args
 
 // Suppress the bogus warning suppression in bison (it generates
 // compile error)
@@ -69,8 +69,8 @@ using namespace CVC4;
 };
 
 
-// %start cmd
-%start Query
+%start cmd
+ // %start Query
 
 /* strings are for better error messages.  
    "_TOK" is so macros don't conflict with kind names */
@@ -274,8 +274,7 @@ using namespace CVC4;
 // %type <node> ConstDecl TypeDecl 
  // %type <expr> Identifier // StringLiteral Numeral Binary Hex
 
- // %type <cmd> cmd Assert Query // Help Dbg Trace Option  
-%type <cmd> Query // Help Dbg Trace Option  
+%type <cmd> cmd /// Assert Query Help Dbg Trace Option  
 // %type <node> Transform Print Call Echo DumpCommand
 // %type <node> Include Where Push Pop PopTo
 // %type <node> Context Forget Get_Child Get_Op Get_Type Check_Type Substitute
@@ -286,27 +285,21 @@ using namespace CVC4;
 
 %%
 
-// cmd:       
-//     Assert { $$ = $1; }
-//  |  Query { $$ = $1; }
-
-// Assert:
-//     ASSERT_TOK Expr { 
-//         $$ = NULL; // new CVC3::Expr(VC->listExpr("_ASSERT", *$2));
-//         // delete $2;
-//     } ;
-
-Query:
-    QUERY_TOK Expr { 
-        $$ = NULL; // exprManager->mkExpr(Kind.TRUE);
+cmd:       
+    ASSERT_TOK Expr { 
+      $$ = new AssertCommand(*$2);
+      delete $2;
+    } 
+  | QUERY_TOK Expr { 
+      $$ = new QueryCommand(*$2);
+      delete $2;
     }
   | CHECKSAT_TOK Expr {
-      $$ = NULL; //new CVC3::Expr(VC->listExpr("_CHECKSAT", *$2));
-      //      delete $2;
+      $$ = new CheckSatCommand(*$2);
+      delete $2;
     }
   | CHECKSAT_TOK {
-      $$ = NULL;
-      // new CVC3::Expr(VC->listExpr(VC->idExpr("_CHECKSAT")));
+      $$ = new CheckSatCommand();
     } ;
 
 Expr:	
diff --git a/src/util/command.h b/src/util/command.h
index 36097b7a5..aec65a5c6 100644
--- a/src/util/command.h
+++ b/src/util/command.h
@@ -18,6 +18,20 @@ class Command {
    // distinct from Exprs
 };
 
+class AssertCommand : public Command {
+  AssertCommand(const Expr&);
+};
+
+class CheckSatCommand : public Command {
+  CheckSatCommand(void);
+  CheckSatCommand(const Expr&);
+};
+
+class QueryCommand : public Command {
+  QueryCommand(const Expr&);
+};
+
+
 }/* CVC4 namespace */
 
 #endif /* __CVC4__COMMAND_H */
-- 
2.30.2