added checks for definite assignemnt. some minor fixes required

LineNodes.py

@@ -31,7 +31,7 @@ def makeNodeFromAllStatement(parseTree, typeName):
         return WhileNode(child, typeName)
 
     elif child.name == 'variableDcl':
-        return VarDclNode(child, typeName)
+        return VarDclNode(child, typeName, True)
 
 
 # Creates AST node from statementExpr
@@ -94,7 +94,7 @@ class BlockNode(ASTNode):
 # 1. variableDcl type ID
 # 2. variableDcl type ID ASSIGN variableInit
 class VarDclNode(ASTNode):
-    def __init__(self, parseTree, typeName):
+    def __init__(self, parseTree, typeName, checkAssign=False):
         self.parseTree = parseTree
         self.dclType = None
         self.name = None # variable name
@@ -110,6 +110,11 @@ class VarDclNode(ASTNode):
             # Handling rule: variableInit expr
             self.variableInit = makeNodeFromExpr(parseTree.children[3].children[0], typeName)
 
+        # Checking for definite assignment
+        if checkAssign:
+            if not self.variableInit:
+                raise Exception("ERROR: local variable declaration not assigned")
+
         self.myType = self.dclType.myType
         self.children.append(self.dclType)
         self.children.append(self.variableInit)

Test.py

@@ -137,8 +137,10 @@ def run(testFiles):
     #     if n == "Tests/A3/J1_accessstaticfield/Main.java":
     #         print(n)
     #         print(t)
-
-    ASTs = astBuild(parseTrees)
+    try:
+        ASTs = astBuild(parseTrees)
+    except Exception as e:
+        return "AST buidling: " + e.args[0]
 
     # for (n, t) in ASTs:
     #     print(n)

joosc.py

@@ -45,7 +45,10 @@ def main():
         parseTrees.append((f, tree))
 
     # Building ASTs from all parse trees
-    ASTs = astBuild(parseTrees)
+    try:
+        ASTs = astBuild(parseTrees)
+    except Exception as e: # for definite assignemnt
+        return 42
 
     try:
         buildEnvAndLink(ASTs)