def _run_llvm(self, filename, silence_output=True):
file_name = self.path + filename
ast = main.create_ast(file_name)
if ast.semantic_analysis():
code = ast.generate_llvm()
result_file = self.result_path + filename[:-2] + ".ll"
with open(result_file, "w+") as file:
file.write(code)
if silence_output:
ret = subprocess.call(["clang", result_file],
stderr=subprocess.DEVNULL,
stdout=subprocess.DEVNULL)
else:
ret = subprocess.call(["clang", result_file])
if ret == 1:
main.generate_ast_visuals(ast,
self.result_path + filename[:-2])
# We cannot define function's at this stage of the project.
# 1561 is the error thrown that we lack an entry point, witch is okay
try:
self.assertEqual(ret, 1561)
except Exception:
subprocess.call(["clang", "-S", "-emit-llvm", file_name])
def _run_analysis(self, filename, errors=0, warnings=0):
if not os.path.exists(self.result_path):
os.makedirs(self.result_path)
f = open(self.result_path + filename[:-2] + "_error.log", "w+")
file_name = self.path + filename
ast = main.create_ast(file_name, f)
ast.semantic_analysis()
f.close()
try:
self.assertEqual(ast.error_count(), errors)
self.assertEqual(ast.warning_count(), warnings)
except Exception:
main.generate_ast_visuals(ast, self.result_path + filename[:-2])
raise
def _compile_llvm(self, filename):
if not os.path.exists(self.result_path):
os.makedirs(self.result_path)
slug = filename[:-2] # - .c
file_name = self.path + filename
ast = main.create_ast(file_name)
if ast.semantic_analysis():
code = ast.generate_llvm()
result_file = self.result_path + filename[:-2] + ".ll"
with open(result_file, "w+") as file:
file.write(code)
return True
else:
self.assertTrue(False, 'Semantics are wrong in an excecution test')
return False
def _build_and_run_mips(self, filename, exit_code):
if not os.path.exists(self.result_path):
os.makedirs(self.result_path)
slug = filename[:-2] # -c
file_name = self.path + filename
ast = main.create_ast(file_name)
if ast.semantic_analysis():
code = ast.generate_llvm()
result_file = self.result_path + filename[:-2] + ".asm"
with open(result_file, "w+") as file:
file.write(code)
main.generate_mips(ast, self.result_path + slug)
code = subprocess.call([
'java', '-jar', "Mars.jar", self.result_path + slug + ".asm",
"nc"
])
self.assertEqual(code, exit_code, "Wrong exit code")
else:
self.assertTrue(False, 'Semantics are wrong in an excecution test')
return False
if args.input_file is -1:
print("Please specify input file")
sys.exit(1)
# Slug is useful for naming consistency of output files
slug = os.path.basename(args.input_file)[:-2]
# Setting up target directory
path = "result/" + slug + "/"
if not os.path.exists(path):
os.makedirs(path)
# AST generation
# ==================================================================================================================
# Creating AST
ast = main.create_ast(args.input_file)
if ast == -1:
print("Syntax errors")
sys.exit(1)
if args.visual_ast:
os.makedirs(path + "AST")
main.generate_ast_visuals(ast, path + "AST/" + slug + "_pre_folding")
ast.constant_folding()
if args.visual_ast:
main.generate_ast_visuals(ast, path + "AST/" + slug + "_pre_analysis")
# If the semantic analysis fails