def check_types_pipe(result:dict, checker=TypeChecker):
"""
Build the scope and check for types to be ok
"""
ast = result.get("ast", None)
context = result.get("context",None)
if not ast or not context:
return result
errors = []
checker = checker(context, errors)
scope, operator = checker.visit(ast, Scope())
result["scope"] = scope
result["operator"] = operator
if result.get("verbose", False):
if errors:
print_errors("Checking Types Errors", errors)
print("=========== Checked Types Info =============")
print("Scope:")
print(scope)
print("Operator:")
print(operator)
result["errors"].extend(errors)
return result
def remove_comment_tokens_pipe(result:dict):
"""
Remove all tokens between (* *) and their respective errors if any
"""
tokens = result["text_tokens"]
errors = result["errors"]
new_tokens = []
new_errors = []
deep = 0
start_comment_position, end_comment_position = None, None
for tok in tokens:
if tok.token_type == comment_open:
deep+=1
start_comment_position = (tok.lex[1], tok.lex[2])
elif tok.token_type == comment_close:
deep-=1
if deep == 0:
end_comment_position = (tok.lex[1], tok.lex[2])
# Removing errors related to comments
errors = [x for x in errors if not (start_comment_position <= (x.row, x.column) <= end_comment_position)]
elif not deep:
new_tokens.append(tok)
if result.get("verbose",False):
if errors:
print_errors("Nested Comment Elimination Errors", errors)
result["errors"] = errors
result["errors"].extend(new_errors)
result.update({
"text_tokens": new_tokens
})
return result
def remove_comments_pipe(result:dict, comment_grammar=C, comment_lexer=comment_lexer, comment_parser=comment_parser):
"""
Remove the commented lines from the text
"""
text = result["text"]
lang = LanguageLR(comment_grammar, comment_lexer, comment_parser)
errors = []
parse, tokens = lang(text, errors)
if not errors:
text = comment_parser.evaluate(tokens, errors, True)
if result.get("verbose",False):
if errors:
print_errors("Removing Comments Errors", errors)
if len(text) != len(result["text"]):
print("=========== Text Comments Removed ===============")
print(text)
else:
print("=========== No Comments Removed ===============")
result["errors"].extend(errors)
result["text"] = text
return result
def run_program_pipe(result:dict, runner=RunVisitor):
"""
Run ast and store the result
"""
ast = result.get("ast",None)
context = result.get("context",None)
scope = result.get("scope",None)
operator = result.get("operator",None)
errors = result.get("errors", None)
if any(x == None for x in [ast, context, scope, operator]) or errors:
return result
errors = []
runner = runner(context,scope,operator,errors)
value = runner.visit(ast)
result["value"] = value
if result.get("verbose", False):
if errors:
print_errors("Running Program Errors", errors)
print('=============== PROGRAM RAN ===============')
print('Returned Value:')
print(value)
result["errors"].extend(errors)
return result
def parse_text_pipe(result:dict, language_grammar=G, language_lexer=PlyLexer(), language_parser=cool_parser):
"""
Parse the text
"""
text = result['text']
tokens = result.get('text_tokens')
errors = []
if len(tokens) == 1:
tokens[0].set_position(0,0) # EOF token must be at 0,0
lang = result.get('language', LanguageLR(language_grammar, language_lexer, language_parser))
parse, tokens = lang(text, errors, tokens)
if result.get("verbose",False):
if errors:
print_errors("Parsing Text Errors", errors)
if not 'text_tokens' in result:
print('================== TOKENS =====================')
pprint_tokens(tokens)
print('=================== PARSE =====================')
print('\n'.join(repr(x) for x in parse))
result.update({
"text_parse": parse,
"language": lang,
"text_tokens": tokens,
"parser":language_parser
})
result["errors"].extend(errors)
return result
def ply_lexer_pipe(result:dict, language_grammar=G, language_lexer=ply_lexer, language_parser=cool_parser):
"""
Tokenize with ply
"""
text = result["text"]
lang = LanguageLR(language_grammar, language_lexer, language_parser)
errors = []
tokens = lang.get_tokens(text, errors)
errors = language_lexer.get_errors()
result.update({
"parser" : language_parser,
"lexer" : language_lexer,
"language" : lang,
"text_tokens" : tokens
})
if result.get("verbose", False):
if errors:
print_errors("Lexer Errors", errors)
print('================== TOKENS =====================')
pprint_tokens(tokens)
result["errors"].extend(errors)
return result
def cil_to_mips_pipe(result: dict, cil_to_mips=CILToMIPSVisitor):
ast = result.get("cil_ast",None)
if ast is None:
return result
converter = cil_to_mips()
value = converter.visit(ast)
result["errors"].extend(converter.errors)
if result.get("verbose", False):
print("============== CIL to MIPS Result ===============")
print(value)
print_errors("============ CIL to MIPS Error =============", converter.errors)
result['mips_ast'] = value
return result
def run_cil_pipe(result: dict, runner= CILRunnerVisitor):
ast = result.get("cil_ast",None)
if ast is None:
return result
runner = runner()
value = runner.visit(ast)
result["errors"].extend(runner.errors)
if result.get("verbose", False):
print("============== CIL Result ===============")
print(value)
print_errors("============ CIL Run Error =============", runner.errors)
result['cil_value'] = value
return result
def auto_resolver_pipe(result:dict, auto_resolver=AutoResolver):
ast = result.get("ast",None)
context = result.get("context",None)
if any(x == None for x in [ast, context]):
return result
errors = []
resolver = auto_resolver(context, errors)
resolver.visit(ast)
if result.get("verbose", False):
if errors:
print_errors("Auto Resolver Errors", errors)
result["errors"].extend(errors)
return result
def build_types_pipe(result:dict, builder=TypeBuilder):
"""
Build the types in context
"""
ast = result.get("ast", None)
context = result.get("context",None)
if not ast or not context:
return result
errors = []
builder = builder(context, errors)
builder.visit(ast)
if result.get("verbose", False):
if errors:
print_errors("Building Types Errors", errors)
print('=============== BUILT TYPES ================')
print(context)
result["errors"].extend(errors)
return result
def cool_to_cil_pipe(result: dict, cool_to_cil=COOLToCILVisitor):
context = result.get("context",None)
scope = result.get("scope", None)
ast = result.get("ast", None)
if any(x == None for x in [context, ast, scope]):
return result
if result.get("errors"):
return result
errors = []
cool_to_cil_visitor = cool_to_cil(context, errors)
cil_ast = cool_to_cil_visitor.visit(ast, scope)
result['cil_ast'] = cil_ast
if result.get("verbose", False):
if errors:
print_errors("COOL to CIL Errors", errors)
result["errors"].extend(errors)
return result
def type_collector_pipe(result:dict, collector=TypeCollector):
"""
Collects the types in the program.
"""
ast = result.get("ast", None)
if not ast:
return result
errors = []
collector = collector(errors, result.get("context", None))
collector.visit(ast)
context = collector.context
result["context"] = context
if result.get("verbose", False):
if errors:
print_errors("Collecting Types Errors", errors)
print('============== COLLECTED TYPES ===============')
print(context)
result["errors"].extend(errors)
return result
def ast_pipe(result:dict):
"""
Add the initial ast
"""
parser = result["parser"]
tokens = result["text_tokens"]
text_parsed = result.get("text_parse", None)
errors = []
if text_parsed or tokens:
ast = parser.evaluate(tokens,errors,True,text_parsed)
result["ast"] = ast
if result.get("verbose", False):
if errors:
print_errors("Building AST Errors", errors)
print('==================== AST ======================')
formatter = FormatVisitor()
tree = formatter.visit(ast)
print(tree)
result["errors"].extend(errors)
return result