From 0580d6a85fda454b05620aa4415a53f3dbcd3475 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Mon, 19 Dec 2016 15:52:04 -0700
Subject: It actually sorta' works again!

---
 src/main.cpp         | 29 ++++++++++++++++++++++++++++-
 src/parser.cpp       |  6 ++++++
 src/scriptengine.cpp | 31 ++++++++++++++++++++++++++++---
 3 files changed, 62 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/main.cpp b/src/main.cpp
index 667d19a..1365f1f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -5,6 +5,8 @@
 #include "token.h"
 #include "parser.h"
 #include "options.h"
+#include "scriptengine.h"
+
 #include <math.h>
 #include <sys/time.h>
 
@@ -14,6 +16,21 @@
 #include <bu/streamstack.h>
 using namespace Bu;
 
+void numResult( const class Number &num )
+{
+    println("==> %1").arg( num );
+}
+
+void dispError( const Bu::String &sMsg )
+{
+    println(sMsg);
+}
+
+void dispMessage( const Bu::String &sMsg )
+{
+    println(sMsg);
+}
+
 int main( int argc, char *argv[] )
 {
     try
@@ -28,7 +45,17 @@ int main( int argc, char *argv[] )
         lex.setScale( opt.getScale() );
         lex.setRadix( opt.getRadix() );
         Parser parser( lex );
-        parser.parse();
+
+        ScriptEngine se;
+        se.sigNumResult = Bu::slot(numResult);
+        se.sigError = Bu::slot(dispError);
+        se.sigMessage = Bu::slot(dispMessage);
+        for(;;)
+        {
+            Expression *pExpr = parser.parse();
+            se.exec( pExpr );
+            delete pExpr;
+        }
     }
     catch( std::exception &e )
     {
diff --git a/src/parser.cpp b/src/parser.cpp
index c83c156..cdb1064 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -26,6 +26,8 @@ Parser::~Parser()
 
 Expression *Parser::parse()
 {
+    while( lex[0].eType == Token::tEndOfLine )
+        lex.nextToken();
     pCurExp = new Expression();
     statement();
     while( !tsTerminal.isEmpty() )
@@ -33,6 +35,9 @@ Expression *Parser::parse()
         reduce();
     }
 
+    if( lex[0].eType == Token::tEndOfLine )
+        lex.nextToken();
+
     printState("Final");
 
     tsTerminal.clear();
@@ -247,6 +252,7 @@ void Parser::statement()
                 break;
         }
         lex.setMode( Lexer::modeNormal );
+        lex.nextToken();
     }
     else
     {
diff --git a/src/scriptengine.cpp b/src/scriptengine.cpp
index e4c5c2e..6a00af8 100644
--- a/src/scriptengine.cpp
+++ b/src/scriptengine.cpp
@@ -105,7 +105,7 @@ void ScriptEngine::exec( Expression *pExpr )
         }
     }
 
-    if( sigNumResult.isSet() )
+    if( sigNumResult.isSet() && !sNums.isEmpty() )
         sigNumResult( sNums.peekPop() );
 }
 
@@ -134,12 +134,34 @@ void ScriptEngine::command( Expression::iterator &i )
                 }
                 if( sigMessage.isSet() )
                     sigMessage(Bu::String("Changed scale to: %1").arg( iScale ));
-                for( VarHash::iterator i = hVarState.begin(); i; i++ )
-                    (*i).setScale( iScale );
+                for( VarHash::iterator j = hVarState.begin(); j; j++ )
+                    (*j).setScale( iScale );
+                i++;
             }
             break;
 
         case Token::tCmdRadix:
+            {
+                if( !(++i) )
+                {
+                    if( sigError.isSet() )
+                        sigError("You must provide a positive integer.");
+                    return;
+                }
+                int32_t iRadix = strtol( (*i).sVal->getStr(), 0, 10 );
+                if( iRadix < 0 )
+                {
+                    if( sigError.isSet() )
+                        sigError("You must provide a positive integer.");
+                    return;
+                }
+                if( sigMessage.isSet() )
+                    sigMessage(Bu::String("Changed radix to: %1").arg( iRadix ));
+                hVarState.clear();
+//                for( VarHash::iterator i = hVarState.begin(); i; i++ )
+//                    (*i).setRadix( iRadix );
+                i++;
+            }
             break;
 
         case Token::tCmdExtended:
@@ -155,5 +177,8 @@ void ScriptEngine::command( Expression::iterator &i )
     }*/
             break;
     }
+
+    if( (*i).eType != Token::tCmdEndParams )
+        sigError("Too many parameters.");
 }
 
-- 
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