# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1216149377 -7200
# Node ID 00ce6c2f044010d5e8b8dc02eaf4083bef131774
# Parent  721d44d4eaf857abd29341eaeda62997b6c7dcad
Changed the code generator to reject unsupported AST nodes.

diff -r 721d44d4eaf8 -r 00ce6c2f0440 micropython/ast.py
--- a/micropython/ast.py	Tue Jul 15 19:29:16 2008 +0200
+++ b/micropython/ast.py	Tue Jul 15 21:16:17 2008 +0200
@@ -1163,9 +1163,9 @@
     def visitAdd(self, node):
         self._visitBinary(node, "__add__", "__radd__")
 
-    def visitAnd(self, node): pass
+    def visitAnd(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "And")
 
-    def visitAssert(self, node): pass
+    def visitAssert(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Assert")
 
     def visitAssign(self, node):
         self.dispatch(node.expr)
@@ -1175,16 +1175,16 @@
     def visitAssAttr(self, node):
         self._visitAttr(node, self.attribute_store_instructions)
 
-    def visitAssList(self, node): pass
+    def visitAssList(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "AssList")
 
     def visitAssName(self, node):
         self._visitName(node, (StoreName, StoreAddress))
 
     visitAssTuple = visitAssList
 
-    def visitAugAssign(self, node): pass
+    def visitAugAssign(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "AugAssign")
 
-    def visitBackquote(self, node): pass
+    def visitBackquote(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Backquote")
 
     def visitBitand(self, node):
         self._visitBinary(node, "__and__", "__rand__")
@@ -1250,9 +1250,9 @@
         next_label, exit_label = self.get_loop_labels()
         self.new_op(Jump(next_label))
 
-    def visitDecorators(self, node): pass
+    def visitDecorators(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Decorators")
 
-    def visitDict(self, node): pass
+    def visitDict(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Dict")
 
     def visitDiscard(self, node):
         self.dispatch(node.expr)
@@ -1260,11 +1260,11 @@
     def visitDiv(self, node):
         self._visitBinary(node, "__div__", "__rdiv__")
 
-    def visitEllipsis(self, node): pass
+    def visitEllipsis(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Ellipsis")
 
-    def visitExec(self, node): pass
+    def visitExec(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Exec")
 
-    def visitExpression(self, node): pass
+    def visitExpression(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Expression")
 
     def visitFloorDiv(self, node):
         self._visitBinary(node, "__floordiv__", "__rfloordiv__")
@@ -1364,13 +1364,13 @@
                 self.dispatch(compiler.ast.Name("None"))
                 self.new_op(Return())
 
-    def visitGenExpr(self, node): pass
+    def visitGenExpr(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "GenExpr")
 
-    def visitGenExprFor(self, node): pass
+    def visitGenExprFor(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "GenExprFor")
 
-    def visitGenExprIf(self, node): pass
+    def visitGenExprIf(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "GenExprIf")
 
-    def visitGenExprInner(self, node): pass
+    def visitGenExprInner(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "GenExprInner")
 
     def visitGetattr(self, node):
         self._visitAttr(node, self.attribute_load_instructions)
@@ -1403,18 +1403,18 @@
 
     def visitKeyword(self, node): pass
 
-    def visitLambda(self, node): pass
+    def visitLambda(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Lambda")
 
     def visitLeftShift(self, node):
         self._visitBinary(node, "__lshift__", "__rlshift__")
 
-    def visitList(self, node): pass
+    def visitList(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "List")
 
-    def visitListComp(self, node): pass
+    def visitListComp(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "ListComp")
 
-    def visitListCompFor(self, node): pass
+    def visitListCompFor(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "ListCompFor")
 
-    def visitListCompIf(self, node): pass
+    def visitListCompIf(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "ListCompIf")
 
     def visitMod(self, node):
         self._visitBinary(node, "__mod__", "__rmod__")
@@ -1432,18 +1432,18 @@
         else:
             self._visitName(node, (LoadName, LoadAddress))
 
-    def visitNot(self, node): pass
+    def visitNot(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Not")
 
-    def visitOr(self, node): pass
+    def visitOr(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Or")
 
     def visitPass(self, node): pass
 
     def visitPower(self, node):
         self._visitBinary(node, "__pow__", "__rpow__")
 
-    def visitPrint(self, node): pass
+    def visitPrint(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Print")
 
-    def visitPrintnl(self, node): pass
+    def visitPrintnl(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Printnl")
 
     def visitRaise(self, node):
         # NOTE: expr1 only => instance provided
@@ -1465,7 +1465,7 @@
     def visitRightShift(self, node):
         self._visitBinary(node, "__rshift__", "__rrshift__")
 
-    def visitSlice(self, node): pass
+    def visitSlice(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Slice")
 
     def visitStmt(self, node):
         for n in node.nodes:
@@ -1475,7 +1475,7 @@
     def visitSub(self, node):
         self._visitBinary(node, "__sub__", "__rsub__")
 
-    def visitSubscript(self, node): pass
+    def visitSubscript(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Subscript")
 
     def visitTryExcept(self, node):
         exit_label = self.new_label()
@@ -1530,9 +1530,9 @@
 
         self.drop_exception_labels()
 
-    def visitTryFinally(self, node): pass
+    def visitTryFinally(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "TryFinally")
 
-    def visitTuple(self, node): pass
+    def visitTuple(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Tuple")
 
     def visitUnaryAdd(self, node):
         self._visitUnary(node, "__pos__")
@@ -1564,9 +1564,9 @@
         self.set_label(exit_label)
         self.drop_loop_labels()
 
-    def visitWith(self, node): pass
+    def visitWith(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "With")
 
-    def visitYield(self, node): pass
+    def visitYield(self, node): raise TranslationNotImplementedError(self.module.full_name(), node, "Yield")
 
     # Useful data.
 
diff -r 721d44d4eaf8 -r 00ce6c2f0440 micropython/common.py
--- a/micropython/common.py	Tue Jul 15 19:29:16 2008 +0200
+++ b/micropython/common.py	Tue Jul 15 21:16:17 2008 +0200
@@ -65,6 +65,12 @@
 
     pass
 
+class TranslationNotImplementedError(TranslateError):
+
+    "An error caused by a node not being supported in translation."
+
+    pass
+
 # Program code representations.
 
 class Label: