Merge pull request 'Quality of Life Improvements' (#7) from ayrton/qol into main

Reviewed-on: #7

.gitignore

@@ -1,4 +1,5 @@
 fuzzer/
+exec/
 
 # Byte-compiled / optimized / DLL files
 __pycache__/

ast_generator/ast_generator.py

@@ -1,7 +1,9 @@
 import string
+import warnings
 
 from english_words import get_english_words_set
 
+from ast_generator.tiny_py_unparse import TinyPyUnparser
 from ast_generator.utils import *
 from ast_generator.utils import filter_options, _choose_option
 from constants import *
@@ -84,8 +86,8 @@ class AstGenerator:
 
     def _init_names(self):
         names = get_english_words_set(['web2'], alpha=True)
-        possible_names = filter(lambda x: self.settings['properties']['id-length']['max'] <= len(x) <=
-                                          self.settings['properties']['id-length']['max'] and not keyword.iskeyword(x),
+        possible_names = filter(lambda x: (self.settings['properties']['id-length']['max'] <= len(x) <=
+                                           self.settings['properties']['id-length']['max']) and not keyword.iskeyword(x),
                                 names)
         var_name_list = list(possible_names)
         var_name_len = len(var_name_list)
@@ -140,21 +142,23 @@ class AstGenerator:
         self.current_ast_element.append(element)
         self.current_ast_element = element
 
-        if block_type in [GAZ_PROCEDURE_TAG, GAZ_FUNCTION_TAG]:
-            self.generate_statements()
-        else:
-            self.generate_statements(include='declaration')
-            self.generate_statements(exclude='declaration')
-
         # Generate the loop condition increment if we are in a loop
         if block_type == GAZ_LOOP_TAG:
             self.generate_loop_condition_check(loop_var)
             self.generate_loop_condition_increment(loop_var)
 
+        if block_type not in [GAZ_PROCEDURE_TAG, GAZ_FUNCTION_TAG]:
+            self.generate_statements()
+        else:
+            self.generate_statements(include='declaration')
+            self.generate_statements(exclude='declaration')
+
         if return_stmt:
             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
 
@@ -433,13 +437,66 @@ class AstGenerator:
         self.make_scoped_element(GAZ_LOOP_TAG, [])
         self.current_control_flow_nesting_depth += 1
 
-        self.generate_expression(GAZ_BOOL_KEY)  # the loop entry condition  #TODO force true
+        truthiness = self.get_truthiness()
+
+        while True:
+            self.generate_expression(GAZ_BOOL_KEY)  # the loop entry condition  #TODO force true, if false, generate a simple block and return, no need to nest code we won't use
+
+            iterator = self.current_ast_element.iter()
+            next(iterator)
+            conditional = next(iterator)
+            if not self.truth_check(conditional, truthiness):
+                self.current_ast_element.remove(conditional)
+            else:
+                break
+
         self.generate_block(block_type=GAZ_LOOP_TAG,
                             loop_var=init_var)  # append a variable increment and prepend a break statement if var is > max loop iterations
 
         self.current_control_flow_nesting_depth -= 1
         self.exit_scoped_element(parent)
 
+    def get_truthiness(self):
+        return random.random() < self.settings['misc-weights']['truthiness']
+
+    def truth_check(self, element: ET.Element, truthiness: bool):
+        # evaluate the element
+        uncompiled = self.unparse_conditional_statement(element)
+        substr1 = uncompiled.find("**")
+        substr2 = uncompiled.find("**", substr1 + 1)
+
+        if -1 not in [substr1, substr2]:
+            return False
+
+        # print(uncompiled)
+        try:
+            res = eval(uncompiled)
+        except (OverflowError, ZeroDivisionError):
+            res = False
+
+        # check it against truthiness and return the comparison
+        return res == truthiness
+
+    def unparse_conditional_statement(self, element: ET.Element):
+        py_unparse = TinyPyUnparser(element, True)
+        unparsed = ""
+        if element.tag == GAZ_LIT_TAG:
+            py_unparse.unparse_literal(element)
+            unparsed = py_unparse.source
+        elif element.tag == GAZ_OPERATOR_TAG:
+            py_unparse.unparse_operator(element)
+            unparsed = py_unparse.source
+        elif element.tag == GAZ_VAR_TAG:
+            xml = self.current_scope.resolve(element.get("name"))
+            py_unparse.unparse_variable(xml)
+            unparsed = py_unparse.source
+        elif element.tag == GAZ_BRACKET_TAG:
+            py_unparse.unparse_brackets(element)
+            unparsed = py_unparse.source
+        else:
+            raise ValueError("Unknown element type for conditional argument: " + element.tag)
+        return unparsed
+
     def generate_zero_declaration(self):
         """
         @brief generate a declaration int a = 0 for some a
@@ -642,7 +699,7 @@ 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)
@@ -898,3 +955,25 @@ 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:
-        integer: 50
-        real: 50
-        boolean: 50
-        character: 50
-        void: 10
+    atomic-types:
+        int: 50  # TODO change these to the gaz types
+        float: 50
+        bool: 50
+        char: 50
+        void: 0  # TODO add support for void
     composite-types:
         vector: 20
         tuple: 5
@@ -90,6 +90,7 @@ misc-weights:
     type-qualifier-weights:
         const: 10
         var: 60
+    truthiness: 0.9                              # Probability of conditionals being true
 
 block-termination-probability: 0.2               # probability for a block to terminate
 

ast_generator/test/test_ast_generator.py

@@ -245,12 +245,13 @@ class TestGeneration(unittest.TestCase):
             self.assertFalse(self.is_no_op(operator))
 
     def test_create_global(self):
-        self.ast_gen.ast = ET.Element("block")
+        element = ET.Element("block")
+        self.ast_gen.ast = element
         self.ast_gen.current_ast_element = self.ast_gen.ast
         self.ast_gen.generate_main()
 
-        global_block = self.ast_gen.current_ast_element
-        global_scope = self.ast_gen.current_scope
+        global_block = element
+        global_scope = self.ast_gen.current_scope.get_top_scope()
 
         self.assertIsNotNone(self.ast_gen.ast.find("procedure"))
         self.ast_gen.current_ast_element = self.ast_gen.ast.find("procedure")
@@ -309,6 +310,79 @@ class TestGeneration(unittest.TestCase):
 
         return res
 
+    def test_print_all_current_scope_vars(self):
+        element = ET.Element("block")
+        self.ast_gen.ast = element
+        self.ast_gen.current_ast_element = element
+        self.ast_gen.current_scope = Scope(None)
+        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 test_conditional_test_1(self):
+        element = ET.fromstring('<literal type="bool" value="False"/>')
+
+        self.assertIsNotNone(element)
+
+        res = self.ast_gen.truth_check(element, True)
+        self.assertFalse(res)
+
+    def test_conditional_test_2(self):
+        element = ET.fromstring('<literal type="bool" value="True"/>')
+        self.assertIsNotNone(element)
+
+        res = self.ast_gen.truth_check(element, True)
+        self.assertTrue(res)
+
+    def test_conditional_test_3(self):
+        with open("xml/conditional.xml", 'r') as f:
+            element = ET.fromstring(f.read())
+
+        self.assertIsNotNone(element)
+
+        res = self.ast_gen.truth_check(element, True)
+        self.assertTrue(res)
+
+    def test_conditional_test_4(self):
+        with open("xml/conditional_2.xml", 'r') as f:
+            element = ET.fromstring(f.read())
+
+        self.assertIsNotNone(element)
+
+        res = self.ast_gen.truth_check(element, True)
+        self.assertFalse(res)
+
+    def test_conditional_test_5(self):
+        with open("xml/conditional_3.xml", 'r') as f:
+            element = ET.fromstring(f.read())
+
+        self.assertIsNotNone(element)
+
+        res = self.ast_gen.truth_check(element, True)
+        self.assertTrue(res)
+
+    # def test_conditional_test_variable(self):
+    #     element = ET.fromstring('<variable name="harold" type="int" mut="var"/>')
+    #
+    #     var = Variable("harold", "int", "var")
+    #     var.decl_xml = ET.fromstring('<literal type="bool" value="True"/>')
+    #     self.ast_gen.current_scope.append("harold", element)
+    #     self.assertIsNotNone(element)
+    #
+    #     res = self.ast_gen.truth_check(element, True)
+    #     self.assertTrue(res)
+
+
     def write_ast(self):
         dom = xml.dom.minidom.parseString(ET.tostring(self.ast_gen.ast).decode('utf-8'))
         pretty: str = dom.toprettyxml()

ast_generator/test/xml/conditional.xml

@@ -0,0 +1,8 @@
+<operator op="==" type="int">
+    <lhs>
+        <literal mut="var" type="int" value="42"/>
+    </lhs>
+    <rhs>
+        <literal type="int" value="42" />
+    </rhs>
+</operator>

ast_generator/test/xml/conditional_2.xml

@@ -0,0 +1,8 @@
+<operator op="!=" type="int">
+    <lhs>
+        <literal mut="var" type="int" value="42"/>
+    </lhs>
+    <rhs>
+        <literal type="int" value="42" />
+    </rhs>
+</operator>

ast_generator/test/xml/conditional_3.xml

@@ -0,0 +1,15 @@
+<operator op="!=" type="int">
+    <lhs>
+        <literal mut="var" type="int" value="False"/>
+    </lhs>
+    <rhs>
+        <operator op=">" type="int">
+            <lhs>
+                <literal mut="var" type="int" value="43"/>
+            </lhs>
+            <rhs>
+                <literal type="int" value="42" />
+            </rhs>
+        </operator>
+    </rhs>
+</operator>

ast_generator/tiny_py_unparse.py

@@ -0,0 +1,101 @@
+from ast_parser.general_unparser import GeneralUnparser
+
+
+import warnings
+from xml.etree import ElementTree as ET
+
+from ast_parser.gaz_unparser import GazUnparser
+from ast_parser.general_unparser import GeneralUnparser
+from constants import *
+
+
+def to_python_type(ty):
+    if ty == GAZ_INT_KEY:
+        return "int"
+    elif ty == GAZ_BOOL_KEY:
+        return "bool"
+    elif ty == GAZ_FLOAT_KEY:
+        return "float"
+    elif ty == GAZ_CHAR_KEY:
+        return "str"
+    elif ty == GAZ_STRING_KEY:
+        return "str"
+    else:
+        raise Exception("Unknown type: " + ty)
+
+
+def to_python_op(param, ty):
+    if param == "negation" or param == "subtraction":
+        return "-"
+    elif param == "addition" or param == "noop":
+        return "+"
+    elif param == "multiplication":
+        return "*"
+    elif param == "division" and ty != GAZ_INT_KEY:
+        return "/"
+    elif param == "division" and ty == GAZ_INT_KEY:
+        return "//"
+    elif param == "modulo":
+        return "%"
+    elif param == "power":
+        return "**"
+    elif param == "equality":
+        return "=="
+    elif param == "inequality":
+        return "!="
+    elif param == "less-than":
+        return "<"
+    elif param == "less-than-or-equal":
+        return "<="
+    elif param == "greater-than":
+        return ">"
+    elif param == "greater-than-or-equal":
+        return ">="
+    elif param == "xor":
+        return "!="
+    else:
+        warnings.warn("Warning, unknown operator: " + param)
+        return param
+
+
+class TinyPyUnparser(GeneralUnparser):
+    def __init__(self, ast: ET.Element, debug=False):
+        super().__init__(ast, debug,
+                         endline='\n',
+                         outstream_begin_delimiter="gprint(",
+                         outstream_end_delimiter=", end='')",
+                         function_return_type_indicator_predicate="->",
+                         loop_start_delimiter="while ",
+                         loop_end_delimiter=":",
+                         conditional_case_delimiter="elif ",
+                         conditional_start_delimiter="if ",
+                         conditional_else_delimiter="else:",
+                         conditional_end_delimiter=":",
+                         block_start_delimiter="",
+                         block_end_delimiter="",  # TODO can this contain the pass?
+                         strip_conditionals=True)
+
+        self.source = ''
+
+    def format_variable(self, mut, ty, name, declaration: bool = False):
+        if declaration:
+            return "{}: {}".format(name, ty)
+        else:
+            return "{}".format(name)
+
+    def translate_value(self, val):
+        return str(val)
+
+    def translate_op(self, param, ty=None):
+        return to_python_op(param, ty)
+
+    def translate_type(self, ty):
+        return to_python_type(ty)
+
+    def unparse_block(self, node):
+        raise TypeError("Cannot unparse blocks for this type of evaluation")
+
+    def setup(self):
+        pass
+
+

ast_generator/utils.py

@@ -5,12 +5,13 @@ from constants import GAZ_VAR_TAG, GAZ_ARG_TAG
 
 
 class Variable:
-    def __init__(self, name: str, type: str, qualifier: str, value: any = None):
+    def __init__(self, name: str, type: str, qualifier: str, value: any = None):  # decl_xml: ET.Element = None,
         self.name = name
         self.type = type
         self.value = value
         self.qualifier = qualifier
         self.xml = self._build_xml()
+        # self.decl_xml = decl_xml
 
     def _build_xml(self):
         args = [

ast_parser/gaz_unparser.py

@@ -98,3 +98,6 @@ class GazUnparser(GeneralUnparser):
 
     def format_single_arg(self, ty, name):
         return "{} {}".format(ty, name)
+
+    def setup(self):
+        pass

ast_parser/general_unparser.py

@@ -69,6 +69,9 @@ class GeneralUnparser:
         :return: a string of valid gazprea code
         """
         self.source = ""
+
+        self.setup()
+
         for node in self.xml:
             self.unparse_node(node)
 
@@ -324,6 +327,9 @@ class GeneralUnparser:
     def format_single_arg(self, param, param1):
         raise NotImplementedError
 
+    def setup(self):
+        raise NotImplementedError
+
     def pretty_xml(self):
         dom = xml.dom.minidom.parseString(ET.tostring(self.xml).decode('utf-8'))
         pretty: str = dom.toprettyxml()

ast_parser/python_unparser.py

@@ -59,7 +59,7 @@ class PythonUnparser(GeneralUnparser):
     def __init__(self, ast: ET.Element, debug=False):
         super().__init__(ast, debug,
                          endline='\n',
-                         outstream_begin_delimiter="print(",
+                         outstream_begin_delimiter="gprint(",
                          outstream_end_delimiter=", end='')",
                          function_return_type_indicator_predicate="->",
                          loop_start_delimiter="while ",
@@ -113,3 +113,13 @@ class PythonUnparser(GeneralUnparser):
     def unparse(self):
         super().unparse()
         self.source += "\nif __name__ == '__main__':\n    main()"
+
+    def setup(self):
+        self.source += ("def gprint(expr, end=''):\n"
+                        "    if type(expr) is bool:\n"
+                        "        if expr:\n"
+                        "            print('T', end=end)\n"
+                        "        else:\n"
+                        "            print('F', end=end)\n"
+                        "    else:\n"
+                        "        print(expr, end=end)\n\n")

config.yaml

@@ -4,7 +4,7 @@ generation-options:
     max-nesting-depth: 5                         # maximum nesting depth for statements
     max-conditionals-loops: 5                    # maximum number of loops/conditionals per routine
     max-number-of-routines: 5                    # maximum number of routines (main will always be generated)
-    generate-dead-code: True                     # generate dead code
+    generate-dead-code: False                     # generate dead code
     max-loop-iterations: 100                     # maximum number of iterations in a loop
     max-globals: 5                               # maximum number of global variables
 properties:
@@ -90,6 +90,7 @@ misc-weights:
     type-qualifier-weights:
         const: 10
         var: 60
+    truthiness: 0.99                             # Probability of conditionals being true
 
 block-termination-probability: 0.2               # probability for a block to terminate
 

constants.py

@@ -61,3 +61,11 @@ class NoneTagException(Exception):
         super().__init__(message)
         self.xml = xml
 
+class GazTypeError(Exception):
+
+    def __init__(self, message, op, ty1, ty2):
+        super().__init__(message)
+        self.op = op
+        self.ty1 = ty1
+        self.ty2 = ty2
+

fuzzer.py

@@ -28,9 +28,13 @@ 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
 
         self.gaz_source_gen = GazUnparser(self.generator.ast, True)
         try:
@@ -48,8 +52,10 @@ class GazpreaFuzzer:
         # input = "if __name__ == '__main__':\n    while True:\n        pass\n"  # debug
 
         with redirect_stdout(io.StringIO()) as buf:
+            pass
             # exec(str(self.ground_truth))
-            exec(self.ground_truth, globals(), locals())  # FIXME the exec doesn't actually execute for some reason...
+            # exec(self.ground_truth, globals(), locals())  # FIXME the exec doesn't actually execute for some reason...
+        self.write_ast()  # FIXME sometimes this is none
 
         self.out = buf.getvalue()
 

gazprea_fuzzer.py

@@ -14,6 +14,18 @@ import xml.etree.ElementTree as ET
 
 from constants import NoneTagException
 
+import signal as sig
+
+
+def gprint(expr, end=''):
+    if type(expr) is bool:
+        if expr:
+            print('T', end=end)
+        else:
+            print('F', end=end)
+    else:
+        print(expr, end=end)
+
 
 class Fuzzer():
     def __init__(self, config: str, batch: int, seed: str, file_name: str = "fuzz"):
@@ -27,16 +39,35 @@ class Fuzzer():
         self.fuzzer = fz.GazpreaFuzzer(config)
 
     def fuzz(self):
-        os.system("rm -rf fuzzer")
-        os.mkdir("fuzzer")
-        os.mkdir("fuzzer/input")
-        os.mkdir("fuzzer/debug")
-        os.mkdir("fuzzer/debug/ast_err")
-        os.mkdir("fuzzer/instream")
-        os.mkdir("fuzzer/outputs")
-        os.mkdir("fuzzer/ground_truth")
-        os.system("cp tester_config.json fuzzer/tester_config.json")
-        for i in range(self.batch):
+        sig.signal(sig.SIGALRM, handler)
+        sig.alarm(30)
+
+        base_dir = os.getcwd()
+        fuzzer_root = base_dir + '/fuzzer'
+
+        fuzzer_input = fuzzer_root + '/input/fuzzer'
+        fuzzer_debug = fuzzer_root + '/debug'
+        fuzzer_asterr = fuzzer_debug + '/ast_err'
+        fuzzer_instream = fuzzer_root + '/instream'
+        fuzzer_outputs = fuzzer_root + '/outputs/fuzzer'
+        fuzzer_ground_truth = fuzzer_root + '/ground_truth'
+
+        os.system(f"rm -rf {fuzzer_root}")
+        os.makedirs(fuzzer_root)
+        os.makedirs(fuzzer_input)
+        os.makedirs(fuzzer_debug)
+        os.makedirs(fuzzer_asterr)
+        os.makedirs(fuzzer_instream)
+        os.makedirs(fuzzer_outputs)
+        os.makedirs(fuzzer_ground_truth)
+        try:
+            os.system(f"cp tester_config.json {fuzzer_root}/tester_config.json")
+        except Exception as e:
+            pass
+
+        i = 0
+        min_i = 0
+        while i < self.batch:
             try:
                 self.fuzzer.fuzz()
             except NoneTagException as n:
@@ -44,41 +75,92 @@ class Fuzzer():
                 warnings.warn("None Tag Exception encountered, writing stack trace and xml to debug/ast/{}.xml\n"
                               "Look for a top-level <argument> tag or send it to Ayrton and I'll see what I can see"
                               "".format(r))
-                with open("fuzzer/debug/ast_err/{}.xml".format(r), 'w') as f:
-                    f.write(xml.dom.minidom.parseString(ET.tostring(self.fuzzer.ast).decode('utf-8')).toprettyxml())
+                with open(f"{fuzzer_asterr}/{r}.xml", 'w') as f:
+                    try:
+                        f.write(xml.dom.minidom.parseString(ET.tostring(self.fuzzer.ast).decode('utf-8')).toprettyxml())
+                    except AttributeError:
+                        print("Failed to write to the file", file=sys.stderr)
+                if i - 1 >= min_i:
+                    i -= 1
+                else:
+                    i = min_i
                 continue
             dom = xml.dom.minidom.parseString(ET.tostring(self.fuzzer.ast).decode('utf-8'))
             pretty: str = dom.toprettyxml()
 
-            with open("fuzzer/ground_truth/{}_{}.py".format(self.file_name, i), 'w') as f:
+            with open("{}/{}_{}.py".format(fuzzer_ground_truth, self.file_name, i), 'w') as f:
                 f.write(self.fuzzer.ground_truth)
-            with open("fuzzer/ground_truth/{}_{}.py".format(self.file_name, i), 'r') as f:
-                with open("fuzzer/outputs/{}_{}.out".format(self.file_name, i), 'w') as y:
-                    with redirect_stdout(y): # Workaround for fuzzer.py:49
+            with open("{}/{}_{}.py".format(fuzzer_ground_truth, self.file_name, i), 'r') as f:
+                with open("{}/{}_{}.out".format(fuzzer_outputs, self.file_name, i), 'w') as y:
+                    with redirect_stdout(y):  # Workaround for fuzzer.py:49
                         try:
-                            exec(f.read(), globals(), locals())
-                        except (OverflowError, ZeroDivisionError, ValueError):
-                            os.system("rm -f fuzzer/ground_truth/{}_{}.py".format(self.file_name, i))
+                            read = f.read()
+                            exec(read, globals())
+                        except (OverflowError, ZeroDivisionError, ValueError, TypeError, SyntaxError):
+                            os.system("rm -f {}/{}_{}.py".format(fuzzer_ground_truth, self.file_name, i))
+                            os.system("rm -f {}/{}_{}.out".format(fuzzer_outputs, self.file_name, i))
+                            warnings.warn("Runtime error encountered, retrying")
+                            if i - 1 >= min_i:
+                                i -= 1
+                            else:
+                                i = min_i
                             continue
                         except KeyboardInterrupt:
                             r = random.randint(0, 1000000)
                             warnings.warn("Execution halted, result written to debug/ast/{}.xml\n"
                                           "".format(r))
-                            with open("fuzzer/debug/ast_err/{}.xml".format(r), 'w') as f:
-                                f.write(xml.dom.minidom.parseString(ET.tostring(self.fuzzer.ast).decode('utf-8')).toprettyxml())
+                            with open("{}/{}.xml".format(fuzzer_asterr, r), 'w') as f:
+                                f.write(xml.dom.minidom.parseString(
+                                    ET.tostring(self.fuzzer.ast).decode('utf-8')).toprettyxml())
                             sys.exit(1)
-            with open("fuzzer/input/{}_{}.in".format(self.file_name, i), 'w') as f:
+                        except TimeoutError:
+                            r = random.randint(0, 1000000)
+                            warnings.warn("Execution timed out, result written to debug/ast/{}.xml\n"
+                                          "".format(r))
+                            with open("{}/{}.xml".format(fuzzer_asterr, r), '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
+                            else:
+                                i = min_i
+                            continue
+
+                with open("{}/{}_{}.out".format(fuzzer_outputs, self.file_name, i), 'r') as y:
+                    out = y.read()
+                if out == "":
+                    print("Empty output, skipping", file=sys.stderr)
+                    os.system("rm -f {}/{}_{}.py".format(fuzzer_ground_truth, self.file_name, i))
+                    os.system("rm -f {}/{}_{}.out".format(fuzzer_outputs, self.file_name, i))
+                    if i - 1 >= min_i:
+                        i -= 1
+                    else:
+                        i = min_i
+                    continue
+
+
+            with open("{}/{}_{}.in".format(fuzzer_input, self.file_name, i), 'w') as f:
                 f.write(self.fuzzer.source)
-            with open("fuzzer/debug/{}_{}.xml".format(self.file_name, i), 'w') as f:
+            with open("{}/{}_{}.xml".format(fuzzer_debug, self.file_name, i), 'w') as f:
                 f.write(pretty)
-                    # y.write(self.fuzzer.out)
+                # y.write(self.fuzzer.out)
             # with open("fuzzer/instream/{}.in".format(i), 'w') as f:
             #     f.write(self.fuzzer.source)
             # with open("fuzzer/outputs/{}.out".format(i), 'w') as f:
             #     f.write(self.fuzzer.out)
+            print("test {}/{} generated".format(i, self.batch))
+            i += 1
+            min_i = i
+
+
+def handler(signum, frame):
+    print("Execution Timeout")
+    raise TimeoutError
 
 
 if __name__ == '__main__':
+
+
     parser = argparse.ArgumentParser(
         description='Procedurally generate a test case for Gazprea'
     )
@@ -94,5 +176,3 @@ if __name__ == '__main__':
     args = parser.parse_args()
     fuzzer = Fuzzer(config=args.config_file, batch=args.batch_size, seed=args.seed)
     fuzzer.fuzz()
-
-

tester_config.json

@@ -1,12 +1,12 @@
 {
-  "inDir": "<inDir>",
-  "outDir": "<outDir>",
-  "inStrDir": "<inStrDir>",
+  "inDir": "input",
+  "outDir": "outputs",
+  "inStrDir": "instream",
   "testedExecutablePaths": {
-    "<team id>": "<path_to_gazc_exe>"
+    "fuzzer": "../exec/gazc"
   },
   "runtimes": {
-    "<team id>": "<path_to_libgazrt.so>"
+    "fuzzer": "../exec/libgazrt.so"
   },
   "toolchains": {
     "gazprea": [