[Nice-commit] Nice/src/bossa/syntax analyse.nice,1.72,1.73

[<ar...@us...>]

Update of /cvsroot/nice/Nice/src/bossa/syntax
In directory sc8-pr-cvs1:/tmp/cvs-serv23450/F:/nice/src/bossa/syntax

Modified Files:
	analyse.nice 
Log Message:
Implemented check for redefining local variable, it's not allowed.

Index: analyse.nice
===================================================================
RCS file: /cvsroot/nice/Nice/src/bossa/syntax/analyse.nice,v
retrieving revision 1.72
retrieving revision 1.73
diff -C2 -d -r1.72 -r1.73
*** analyse.nice	11 Jun 2003 22:24:07 -0000	1.72
--- analyse.nice	14 Jun 2003 12:05:04 -0000	1.73
***************
*** 170,173 ****
--- 170,174 ----
  	symbol.syntacticType = null;
        }
+     this.checkNotDefined(symbol);
      this.vars[symbol.name.toString()] = symbol;
    }
***************
*** 182,186 ****
  	  throw error(symbol, "A variable cannot have a void type");
        }
! 
      this.vars[symbol.name.toString()] = symbol;
    }
--- 183,187 ----
  	  throw error(symbol, "A variable cannot have a void type");
        }
!     this.checkNotDefined(symbol);
      this.vars[symbol.name.toString()] = symbol;
    }
***************
*** 191,194 ****
--- 192,204 ----
    void addTypeVars(Array<TypeSymbol> symbols) = 
      symbols.foreach(TypeSymbol s => this.typeVars[s.toString()] = s);
+ 
+   void checkNotDefined(VarSymbol symbol)
+   {
+     ?VarSymbol old = this.vars[symbol.name.toString()];
+     if (old != null)
+       throw error(symbol, "Symbol " + symbol.name + " is already defined at " +
+ 		"line " + old.location().getLine() +
+ 		", column " + old.location().getColumn());
+   }
  }