Generation errors fixed or gracefully handled

ast_generator/ast_generator.py

@@ -156,6 +156,8 @@ class AstGenerator:
             self.generate_return(return_type=return_type, return_value=return_value)
         if self.settings['generation-options']['generate-dead-code']:
             self.generate_statements(exclude='declaration')
+
+        self.print_all_current_scope_vars()
         self.pop_scope()
         self.current_ast_element = parent
 
@@ -643,7 +645,7 @@ class AstGenerator:
                                   self.comp_op_numline,
                                   self.comp_op_cutoffs,
                                   self.comp_op_options,
-                                  comparison=True)
+                                  comparison=True)  #, evals=self.get_truth())
 
     def push_scope(self, xml_element: ET.Element = None):
         scope = Scope(self.current_scope)
@@ -899,3 +901,25 @@ class AstGenerator:
                 self.generate_binary(op, random.choice([GAZ_INT_KEY, GAZ_FLOAT_KEY]))
         else:
             self.generate_binary(op, random.choice(expr_type))
+
+    def print_all_current_scope_vars(self):
+        for key, value in self.current_scope.symbols.items():
+            if isinstance(value, Variable):
+                self.print_variable(value)
+
+    def print_variable(self, var: Variable):
+        """
+        @brief generate an outstream for a variable
+
+        @param var: the variable to print
+        @return:
+        """
+        parent = self.current_ast_element
+
+        args = [
+            ("type", GAZ_OUT_STREAM),
+        ]
+        self.make_element(GAZ_STREAM_TAG, args)
+        self.current_ast_element.append(var.xml)
+
+        self.current_ast_element = parent

ast_generator/test/config.yaml

@@ -9,7 +9,7 @@ generation-options:
     max-globals: 5                               # maximum number of global variables
 properties:
     max-range-length: 5                          # maximum length of ranges, vectors and tuples, (AxA matrices can exist)
-    use-english-words: True                      # use english words instead of random names (this may limit the maximum number of names)
+    use-english-words: True                      # use english words instead of random names (if we run out, we switch to random)
     id-length:                                   # length of identifiers
         min: 1
         max: 5
@@ -68,12 +68,12 @@ statement-weights:                               # set to 0 for any statements y
     in-stream: 5
 
 type-weights:
-    value-types:
+    atomic-types:
-        integer: 50
+        int: 50  # TODO change these to the gaz types
-        real: 50
+        float: 50
-        boolean: 50
+        bool: 50
-        character: 50
+        char: 50
-        void: 10
+        void: 0  # TODO add support for void
     composite-types:
         vector: 20
         tuple: 5
@@ -90,6 +90,9 @@ misc-weights:
     type-qualifier-weights:
         const: 10
         var: 60
+    conditional-eval:
+        true: 50
+        false: 50
 
 block-termination-probability: 0.2               # probability for a block to terminate
 

ast_generator/test/test_ast_generator.py

@@ -309,6 +309,22 @@ class TestGeneration(unittest.TestCase):
 
         return res
 
+    def test_print_all_current_scope_vars(self):
+        self.ast_gen.ast = ET.Element("block")
+        self.ast_gen.current_ast_element = self.ast_gen.ast
+        self.ast_gen.generate_declaration(mut='var')
+        self.ast_gen.generate_declaration(mut='var')
+        self.ast_gen.generate_declaration(mut='var')
+        self.ast_gen.generate_declaration(mut='var')
+
+        self.ast_gen.print_all_current_scope_vars()
+
+        print(ET.tostring(self.ast_gen.ast))
+
+        streams = self.ast_gen.ast.findall("stream")
+
+        self.assertEqual(4, len(streams))
+
     def write_ast(self):
         dom = xml.dom.minidom.parseString(ET.tostring(self.ast_gen.ast).decode('utf-8'))
         pretty: str = dom.toprettyxml()

fuzzer.py

@@ -28,6 +28,11 @@ class GazpreaFuzzer:
         self.ground_truth = None
         self.out = None
 
+        try:
+            os.makedirs('debug/ast')
+        except FileExistsError:
+            pass
+
     def fuzz(self):
         self.generator.generate_ast()
         self.write_ast()  # FIXME sometimes this is none

gazprea_fuzzer.py

@@ -61,6 +61,7 @@ class Fuzzer():
             pass
 
         i = 0
+        min_i = 0
         while i < self.batch:
             try:
                 self.fuzzer.fuzz()
@@ -71,8 +72,10 @@ class Fuzzer():
                               "".format(r))
                 with open(f"{fuzzer_asterr}/{r}.xml", 'w') as f:
                     f.write(xml.dom.minidom.parseString(ET.tostring(self.fuzzer.ast).decode('utf-8')).toprettyxml())
-
+                if i - 1 >= min_i:
-                i -= 1
+                    i -= 1
+                else:
+                    i = min_i
                 continue
             dom = xml.dom.minidom.parseString(ET.tostring(self.fuzzer.ast).decode('utf-8'))
             pretty: str = dom.toprettyxml()
@@ -89,7 +92,10 @@ class Fuzzer():
                             os.system("rm -f {}/{}_{}.py".format(fuzzer_ground_truth, self.file_name, i))
                             os.system("rm -f {}/{}_{}.py".format(fuzzer_outputs, self.file_name, i))
                             warnings.warn("Runtime error encountered, retrying")
-                            i -= 1
+                            if i - 1 >= min_i:
+                                i -= 1
+                            else:
+                                i = min_i
                             continue
                         except KeyboardInterrupt:
                             r = random.randint(0, 1000000)
@@ -109,6 +115,7 @@ class Fuzzer():
             # with open("fuzzer/outputs/{}.out".format(i), 'w') as f:
             #     f.write(self.fuzzer.out)
             i += 1
+            min_i = i
 
 
 if __name__ == '__main__':