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tests (2).py
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from Lexer import *
from ParserLR1 import *
from Semantic_checker import *
def test_lexer():
nonzero_digits = '|'.join(str(n) for n in range(1,10))
letters = '|'.join(chr(n) for n in range(ord('a'),ord('z')+1))
print('Non-zero digits:', nonzero_digits)
print('Letters:', letters)
lexer = Lexer([
('num', f'({nonzero_digits})(0|{nonzero_digits})*'),
('for' , 'for'),
('foreach' , 'foreach'),
('space', ' *'),
('id', f'({letters})({letters}|0|{nonzero_digits})*')
], 'eof')
text = '5465 for 45foreach fore'
print(f'\n>>> Tokenizando: "{text}"')
tokens = lexer(text)
print(tokens)
assert [t.token_type for t in tokens] == ['num', 'space', 'for', 'space', 'num', 'foreach', 'space', 'id', 'eof']
assert [t.lex for t in tokens] == ['5465', ' ', 'for', ' ', '45', 'foreach', ' ', 'fore', '$']
text = '4forense forforeach for4foreach foreach 4for'
print(f'\n>>> Tokenizando: "{text}"')
tokens = lexer(text)
print(tokens)
assert [t.token_type for t in tokens] == ['num', 'id', 'space', 'id', 'space', 'id', 'space', 'foreach', 'space', 'num', 'for', 'eof']
assert [t.lex for t in tokens] == ['4', 'forense', ' ', 'forforeach', ' ', 'for4foreach', ' ', 'foreach', ' ', '4', 'for', '$']
def test_parser():
G = Grammar()
E = G.NonTerminal('E', True)
A = G.NonTerminal('A')
equal, plus, num = G.Terminals('= + int')
E %= A + equal + A | num
A %= num + plus + A | num
firsts = compute_firsts(G)
firsts[G.EOF] = ContainerSet(G.EOF)
item = Item(E.productions[0], 0, lookaheads=[G.EOF, plus])
assert str(expand(G ,item, firsts)) == "[A -> .int+A, {'='}, A -> .int, {'='}]"
closure = closure_lr1(G, [item, item.NextItem().NextItem()], firsts)
expected = {
Item(E.productions[0], 0, lookaheads=(plus, G.EOF)),
Item(E.productions[0], 2, lookaheads=(plus, G.EOF)),
Item(A.productions[0], 0, lookaheads=(plus, G.EOF, equal)),
Item(A.productions[1], 0, lookaheads=(plus, G.EOF, equal)),
}
assert closure == expected
goto = goto_lr1(G ,[item], A, firsts)
assert goto == {
Item(E.productions[0], 1, lookaheads=(plus, G.EOF))
}
automaton = build_LR1_automaton(G.AugmentedGrammar())
assert automaton.recognize('E')
assert automaton.recognize(['A','=','int'])
assert automaton.recognize(['int','+','int','+','A'])
assert not automaton.recognize(['int','+','A','+','int'])
assert not automaton.recognize(['int','=','int'])
parser = LR1Parser(G, verbose=True)
derivation = parser([num, plus, num, equal, num, plus, num, G.EOF])
assert str(derivation) == '[A -> int, A -> int + A, A -> int, A -> int + A, E -> A = A]'
def test_grammar():
#region Gramatica
G = Grammar()
program = G.NonTerminal('<program>', startSymbol=True)
stat_list, stat = G.NonTerminals('<stat_list> <stat>')
extends_expr, id_extension, inherits_id_epsilon, args_in_par_epsilon ,args,args_epsilon,attr_list, attr,attr_f, let_var, def_func, def_func_block, print_stat, params,params_Epsilon = G.NonTerminals('<extends-expr> <id-extension> <inherits-id-epsilon> <args-in-par-epsilon> <args> <args-epsilon> <attr-list> <attr> <attr-f> <let-var> <def-func> <def-block> <print-stat> <params-list> <params-list-f>')
aritm_expr, comp_expr, expr, term, factor, atom, power= G.NonTerminals('<aritm-expr> <comp-expr> <expr> <term> <factor> <atom> <power>')
while_expr, iterable, expr_body, for_expr, method_protocol,method_protocol_list,protocol_expr, method_attr_list, method_list, method, body, func_call,type_expr, expr_list, expr_str, block, block_list, params_in_par_epsilon = G.NonTerminals('<while-expr> <iterable> <expr-body> <for-expr> <method-protocol> <method-protocol-list> <protocol-expr> <method-attr-list> <method-list> <method> <body> <func-call> <type-expr> <expr-list> <expr-str> <block-expr> <block-list> <params-in-par-epsilon>')
let, function_, printx, in_, for_, while_ = G.Terminals('let function print in for while')
sqrt, sin, cos, tan, log, exp, rand = G.Terminals('sqrt sin cos tan log exp rand')
semi, comma, opar, cpar, arrow, okey, ckey= G.Terminals('; , ( ) => { }')
and_, or_ ,not_ = G.Terminals('& | !')
greater, greater_equals, equals, less, less_equals, not_equals = G.Terminals('> >= == < <= !=')
equal, plus, minus, star, div, pow, arroba, pow_star,double_dot = G.Terminals('= + - * / ^ @ ** :') #######
id_, num, string_ = G.Terminals('id num str')
type_, protocol, inherits, extends = G.Terminals('type protocol inherits extends')
# Productions
program %= expr + semi | type_expr | protocol_expr | for_expr + semi | while_expr + semi
type_expr %= type_ + id_ + params_in_par_epsilon + inherits_id_epsilon + okey + attr_list + ckey
id_extension %= double_dot + id_ | G.Epsilon
params %= id_ + id_extension | id_ + id_extension + comma + params
params_Epsilon %= params | G.Epsilon
params_in_par_epsilon %= opar + params_Epsilon + cpar | G.Epsilon
args %= expr | expr + comma + args
args_epsilon %= args | G.Epsilon
args_in_par_epsilon %= opar + args_epsilon + cpar | G.Epsilon
inherits_id_epsilon %= inherits + id_ + args_in_par_epsilon | G.Epsilon
attr %= id_ + id_extension + equal + expr
attr_list %= attr + semi + attr_list | G.Epsilon
expr_list %= expr + semi | expr + semi + expr_list
method %= id_ + opar + params_Epsilon + cpar + id_extension + body
method_list %= method + method_list | G.Epsilon
body %= arrow + expr + semi | okey + expr_list + ckey
protocol_expr %= protocol + id_ + extends_expr + okey + method_protocol_list + ckey
method_protocol %= id_ + opar + params_Epsilon + cpar + id_extension + semi
method_protocol_list %= method_protocol + method_protocol_list | G.Epsilon
extends_expr %= extends + id_ | G.Epsilon
for_expr %= for_ + opar + id_ + in_ + iterable + cpar + expr_body
while_expr %= while_ + opar + iterable + cpar + expr_body
iterable %= id_ + args_in_par_epsilon
expr_body %= okey + expr_list + ckey
expr_body %= expr
expr %= num
expr %= id_
# expr %= expr + and_ + comp_expr | expr + or_ + comp_expr | not_ + comp_expr | comp_expr
# comp_expr %= comp_expr + equals + aritm_expr | comp_expr + not_equals + aritm_expr | comp_expr + less + aritm_expr | comp_expr + less_equals + aritm_expr | comp_expr + greater_equals + aritm_expr | comp_expr + greater + aritm_expr | aritm_expr
# aritm_expr %= aritm_expr + plus + term | aritm_expr + minus + term | term
# term %= term + star + factor | term + div + factor | factor
# factor %= num | opar + expr + cpar
#endregion
#region Lexer
nonzero_digits = '|'.join(str(n) for n in range(1,10))
letters = '|'.join(chr(n) for n in range(ord('a'),ord('z')+1))
letters = letters +'|'+'|'.join(chr(n) for n in range(ord('A'),ord('Z')+1))
symbols="!|@|%|^|&|\\*|_|+|-|/|:|;|<|>|=|,|.|?|~|`|\\(|\\)|[|]|{|}|#|'|\\||¿|¡|º|ª|¬"
vari = f'\\"({letters}|{nonzero_digits}|{symbols}| |\\")*\\"'
lexer = Lexer([
('space', ' *'),
(string_, vari),
(semi,';'),
(comma,','),
(plus,plus.Name),
(and_,and_.Name),
(or_,'\\'+or_.Name),
(not_,not_.Name),
(equals,equals.Name),
(not_equals,not_equals.Name),
(greater,greater.Name),
(greater_equals,greater_equals.Name),
(less,less.Name),
(less_equals,less_equals.Name),
(minus,minus.Name),
(opar,'\\'+opar.Name),
(cpar,'\\'+cpar.Name),
(equal,equal.Name),
(star,'\\'+star.Name),
(div,div.Name),
(pow,pow.Name),
(pow_star,'\\'+pow_star.Name+'\\'+pow_star.Name),
(function_,function_.Name),
(arrow,arrow.Name),
(function_,function_.Name),
(printx,printx.Name),
(let,let.Name),
(for_,for_.Name),
(while_,while_.Name),
(in_,in_.Name),
(sqrt,sqrt.Name),
(sin,sin.Name),
(cos,cos.Name),
(log,log.Name),
(exp,exp.Name),
(double_dot,double_dot.Name),
(arroba,arroba.Name),
(rand,rand.Name),
(okey,okey.Name),
(ckey,ckey.Name),
(type_,type_.Name),
(protocol,protocol.Name),
(extends,extends.Name),
(inherits,inherits.Name),
(num, f'({nonzero_digits})(0|{nonzero_digits})*|0'),
(id_, f'({letters})({letters}|0|{nonzero_digits})*')
],G.EOF)
#endregion
#Expressions Functions
texts =['42;' ,'print(42);','print((((1 + 2) ^ 3) * 4) / 5);','print( "Hello :is+ the@ World" );',
'print("The message is \"Hello World\"");','print("The meaning of life is " @ 42);',
'print(sin(2 * PI) ^ 2 + cos(3 * PI / log(4, 64)));' ,
'{print(42); print(sin(PI/2)); print("Hello World");}','function tan(x) => sin(x) / cos(x);',
'function cot(x) => 1 / tan(x);function tan(x) => sin(x) / cos(x);print(tan(PI) ** 2 + cot(PI) ** 2);',
'function operate(x, y) { print(x + y);print(x - y);print(x * y);print(x / y);}',
'let msg = "Hello World" in print(msg);',
'let number = 42, text = "The meaning of life is" in print(text @ number);',
'let number = 42 in let text = "The meaning of life is" in print(text @ number);'
]
texts1 = ['protocol Equalable extends Hasheable { equals(other: Object):Boolean;}',
'while (x) { 42;};',
'for (x in range(0,10)) x;' ]
parser=LR1Parser(G)
c=0
for i in texts1:
c+=1
if c==12:
print(i)
tokens = lexer(i)
tokens_type = []
for j in tokens:
if j.token_type!='space':
tokens_type.append(j.token_type)
parsed=parser(tokens_type)
assert parsed!=None
def semantic_checker_test():
#region gramatica
G = Grammar()
program = G.NonTerminal('<program>',True)
expr, statment_list, stat, inline_function, block_function = G.NonTerminals('<expr> <statment_list> <stat> <inline_function> <block_function>')
num_expr, term, factor, constant = G.NonTerminals('<num_expr> <term> <factor> <constant>')
boolean_expr, boolean_term = G.NonTerminals('<boolean_expr> <boolean_term>')
print_expr = G.NonTerminal('<print_expr>')
let_expr, assign_list, assign = G.NonTerminals('<let_expr> <assign_list> <assign>')
destruct_expr = G.NonTerminal('<destruct_expr>')
comparative_operator = G.NonTerminal('<comparative_operator>')
comparable_expr = G.NonTerminal('<comparable_expr>')
str_expr = G.NonTerminal('<str_expr>')
math_function = G.NonTerminal('<math_function>')
function_call, params_list, param = G.NonTerminals('<function_call> <params_list> <param>')
if_expr, elif_expr, elif_expr_list, else_expr, conditional_expr = G.NonTerminals('<if_expr> <elif_expr> <elif_expr_list> <else_expr> <conditional_expr>')
expr_list_epsilon = G.NonTerminal('<expr_list_epsilon>')
iterable, iterable_ext = G.NonTerminals('<iterable> <iterable_ext>')
while_expr, for_expr = G.NonTerminals('<while_expr> <for_expr>')
id_ext = G.NonTerminal('<id_ext>')
method, method_list = G.NonTerminals('<method> <method_list>')
inherits_id = G.NonTerminal('<inherits_id>')
type_expr = G.NonTerminal('<type_expr>')
block_type_elems, block_type_elems_list, block_type_expr = G.NonTerminals('<block_type_elems> <block_type_elems_list> <block_type_expr>')
assign_type_list = G.NonTerminal('<assign_type_list>')
protocol_expr = G.NonTerminal('<protocol_expr>')
protocol_exp_list = G.NonTerminal('<protocol_exp_list>')
protocol_exp_item = G.NonTerminal('<protocol_exp_item>')
method_protocol = G.NonTerminal('<method_protocol>')
method_protocol_list = G.NonTerminal('<method_protocol_list>')
extends_expr = G.NonTerminal('<extends_expr>')
function_ = G.Terminal('function')
opar, cpar, okey, ckey, id_, arrow, semi, comma = G.Terminals(' ( ) { } id => ; ,')
true_, false_ = G.Terminals('true false')
and_, or_, not_ = G.Terminals('& \\| !')
equals, not_equals, greater, less, greater_equals, less_equals = G.Terminals('== != > < >= <=')
plus, minus, star, div, power, mod = G.Terminals(' + - * / ^ %')
sqrt, sen, cos, log, exp = G.Terminals('sqrt sin cos log exp')
num, euler, pi = G.Terminals('num Euler Pi')
str_, concat, print_ = G.Terminals('str @ print')
equal, in_, let, dest_op = G.Terminals('= in let :=')
if_, else_, elif_ = G.Terminals('if else elif')
while_, for_ = G.Terminals('while for')
dot = G.Terminal('.')
double_point = G.Terminal(':')
inherits = G.Terminal('inherits')
type_ = G.Terminal('type')
protocol = G.Terminal('protocol')
extends = G.Terminal('extends')
block_list, block_expr, expr_list = G.NonTerminals('<block_list> <block_expr> <expr_list>')
#endregion
#region producciones
program %= statment_list + expr + semi , lambda h,s: ProgramNode(s[1],s[2])
program %= statment_list, lambda h,s: ProgramNode(s[1])
program %= expr + semi , lambda h,s: ProgramNode(s[1])
statment_list %= stat , lambda h,s: s[1]
statment_list %= stat + statment_list ,lambda h,s: [s[1]]+s[2]
stat %= inline_function ,lambda h,s: s[1]
stat %= block_function ,lambda h,s: s[1]
stat %= type_expr ,lambda h,s: s[1]
stat %= protocol_expr ,lambda h,s: s[1]
inline_function %= function_ + id_ + opar + expr_list + cpar + arrow + expr + semi ,lambda h,s: FuncDeclarationNode(s[2],s[4],s[7])
inline_function %= function_ + id_ + opar + cpar + arrow + expr + semi ,lambda h,s: FuncDeclarationNode(s[2],[],s[5])
block_function %= function_ + id_ + opar + expr_list + cpar + block_expr ,lambda h,s: FuncDeclarationNode(s[2],s[4],s[6])
block_function %= function_ + id_ + opar + cpar + block_expr ,lambda h,s: FuncDeclarationNode(s[2],[],s[5])
block_expr %= okey + block_list + ckey ,lambda h,s: s[2]
block_list %= expr + semi ,lambda h,s: [s[1]]
block_list %= expr + semi + block_list ,lambda h,s: [s[1]]+s[3]
expr_list %= id_ ,lambda h,s: VariableNode(s[1])
expr_list %= id_ + comma + expr_list ,lambda h,s: [VariableNode(s[1])]+s[3] ####
# expr_list_epsilon %= expr_list####
# expr_list_epsilon %= G.Epsilon####
iterable %= function_call ,lambda h,s: s[1]
iterable %= id_ ,lambda h,s: s[1]
iterable_ext %= iterable + dot + iterable_ext ,lambda h,s: [s[1]]+s[3]
iterable_ext %= iterable ,lambda h,s: [s[1]]
for_expr %= for_ + opar + id_ + in_ + iterable + cpar + block_expr ,lambda h,s: ForNode(s[3],s[5],s[7])
for_expr %= for_ + opar + id_ + in_ + iterable + cpar + expr ,lambda h,s: ForNode(s[3],s[5],s[7])
while_expr %= while_ + opar + boolean_expr + cpar + block_expr ,lambda h,s: WhileNode(s[3],s[5])
while_expr %= while_ + opar + boolean_expr + cpar + expr ,lambda h,s: WhileNode(s[3],s[5])
while_expr %= while_ + opar + iterable_ext + cpar + block_expr ,lambda h,s: WhileNode(s[3],s[5])
while_expr %= while_ + opar + iterable_ext + cpar + expr ,lambda h,s: WhileNode(s[3],s[5])
function_call %= id_ + opar + params_list + cpar ,lambda h,s: CallNode(s[1],s[3])
function_call %= id_ + opar + cpar ,lambda h,s: CallNode(s[1],[])
params_list %= param ,lambda h,s: [s[1]]
params_list %= param + comma + params_list ,lambda h,s: [s[1]]+s[3]
param %= comparable_expr ,lambda h,s: s[1]
param %= boolean_expr ,lambda h,s: s[1]
expr %= comparable_expr , lambda h,s: ExpressionNode(s[1])
expr %= boolean_expr , lambda h,s: ExpressionNode(s[1])
expr %= print_expr , lambda h,s: ExpressionNode(s[1])
expr %= let_expr , lambda h,s: ExpressionNode(s[1])
expr %= destruct_expr , lambda h,s: ExpressionNode(s[1])
expr %= conditional_expr , lambda h,s: ExpressionNode(s[1])
expr %= while_expr , lambda h,s: ExpressionNode(s[1])
expr %= for_expr , lambda h,s: ExpressionNode(s[1])
comparable_expr %= num_expr , lambda h,s: s[1]
comparable_expr %= str_expr , lambda h,s: s[1]
#String expressions
str_expr %= str_ , lambda h,s: s[1]
#str_expr %= str_ + concat + num_expr
#str_expr %= str_ + concat + boolean_expr
#str_expr %= str_ + concat + str_
print_expr %= print_ + opar + comparable_expr + cpar , lambda h,s: PrintNode(s[3])
#print_expr %= print_ + opar + id_ + cpar
let_expr %= let + assign_list + in_ + expr , lambda h,s: VarDeclarationNode(s[2],s[4])
let_expr %= let + assign_list + in_ + block_expr , lambda h,s: VarDeclarationNode(s[2],s[4])
destruct_expr %= id_ + dest_op + expr , lambda h,s: DestructNode(s[1],s[3])
assign_list %= assign , lambda h,s: [s[1]]
assign_list %= assign + comma + assign_list , lambda h,s: [s[1]]+s[3]
assign %= id_ + equal + expr , lambda h,s: AssignNode(s[1],s[3])
if_expr %= if_ + opar + boolean_expr + cpar + expr , lambda h,s: IfNode(s[3],s[5])
if_expr %= if_ + opar + boolean_expr + cpar + block_expr , lambda h,s: IfNode(s[3],s[5])
else_expr %= else_ + expr , lambda h,s: ElseNode(s[2])
else_expr %= else_ + block_expr , lambda h,s: ElseNode(s[2])
#elif_expr %= elif_ + opar + boolean_expr + cpar + expr
#elif_expr %= elif_ + opar + boolean_expr + cpar + block_expr
#elif_expr_list %= elif_expr + elif_expr_list #####agregar el else expresion aqui
#elif_expr_list %= elif_expr
conditional_expr %= if_expr + elif_ + opar + boolean_expr + cpar + expr + else_expr , lambda h,s: Conditional_expr(s[1],s[4],s[6],s[7])
conditional_expr %= if_expr + else_expr , lambda h,s: Conditional_expr(s[1],None,s[3],s[4])
id_ext %= double_point + id_ , lambda h,s: s[2]
# method %= id_ + opar + expr_list + cpar + id_ext + block_expr
# method %= id_ + opar + expr_list + cpar + block_expr
# method %= id_ + opar + cpar + id_ext + block_expr
# method %= id_ + opar + cpar + block_expr
# method %= id_ + opar + expr_list + cpar + arrow + expr
# method %= id_ + opar + cpar + arrow + expr
# method_list %= method + semi + method_list
# method_list %= method + semi
# assign_type_list %= assign + semi
# assign_type_list %= assign + semi + assign_type_list
# block_type_expr %= okey + assign_type_list + method_list + ckey
# block_type_expr %= okey + method_list + ckey
# block_type_expr %= okey + assign_type_list + ckey
# inherits_id %= inherits + id_
# inherits_id %= inherits + function_call
# type_expr %= type_ + id_ + opar + expr_list + cpar + inherits_id + block_type_expr
# type_expr %= type_ + id_ + inherits_id + block_type_expr
# type_expr %= type_ + id_ + opar + expr_list + cpar + block_type_expr
# type_expr %= type_ + id_ + block_type_expr
protocol_expr %= protocol + id_ + extends_expr + okey + method_protocol_list + ckey , lambda h,s: ProtocolNode(s[2],s[4])
protocol_expr %= protocol + id_ + extends_expr + okey + ckey , lambda h,s: ProtocolNode(s[2],[])
protocol_expr %= protocol + id_ + okey + method_protocol_list + ckey , lambda h,s: ProtocolNode(s[2],s[4])
protocol_expr %= protocol + id_ + okey + ckey , lambda h,s: ProtocolNode(s[2],[])
protocol_exp_list %= protocol_exp_item + comma + protocol_exp_list , lambda h,s: [s[1]]+s[3]
protocol_exp_list %= protocol_exp_item , lambda h,s: [s[1]]
protocol_exp_item %= id_ + id_ext , lambda h,s: (s[1],s[2])
method_protocol %= id_ + opar + protocol_exp_list + cpar + id_ext + semi , lambda h,s: MethodNode(s[1],s[3],s[5])
method_protocol %= id_ + opar + cpar + id_ext + semi , lambda h,s: MethodNode(s[1],[],s[4])
method_protocol_list %= method_protocol + method_protocol_list , lambda h,s: [s[1]]+s[2]
method_protocol_list %= method_protocol , lambda h,s: [s[1]]
extends_expr %= extends + id_ , lambda h,s: s[2]
#Comparative operators
comparative_operator %= equals , lambda h,s: s[1]
comparative_operator %= not_equals , lambda h,s: s[1]
comparative_operator %= greater , lambda h,s: s[1]
comparative_operator %= less , lambda h,s: s[1]
comparative_operator %= greater_equals , lambda h,s: s[1]
comparative_operator %= less_equals , lambda h,s: s[1]
#Boolean expressions
boolean_expr %= boolean_expr + comparative_operator + boolean_term ,lambda h,s: Boolean_expr(s[1],s[2],s[3])
boolean_expr %= comparable_expr + comparative_operator + comparable_expr ,lambda h,s: Boolean_expr(s[1],s[2],s[3])
boolean_expr %= boolean_expr + comparative_operator + comparable_expr ,lambda h,s: Boolean_expr(s[1],s[2],s[3])
boolean_expr %= boolean_expr + and_ + boolean_term ,lambda h,s: AndNode(s[1],s[3])
boolean_expr %= boolean_expr + or_ + boolean_term ,lambda h,s: OrNode(s[1],s[3])
boolean_expr %= not_ + boolean_term ,lambda h,s:NotNode (s[2])
boolean_expr %= boolean_term ,lambda h,s: s[1]
boolean_term %= opar + boolean_expr + cpar , lambda h,s: s[2]
boolean_term %= true_ , lambda h,s: True
boolean_term %= false_ , lambda h,s: False
# Numerical expressions
num_expr %= num_expr + plus + term , lambda h,s: PlusNode(s[1],s[3])
num_expr %= num_expr + minus + term , lambda h,s: MinusNode(s[1],s[3])
num_expr %= term , lambda h,s: s[1]
term %= term + star + factor , lambda h,s: StarNode(s[1],s[3])
term %= term + div + factor , lambda h,s: DivNode(s[1],s[3])
term %= term + mod + factor , lambda h,s: ModNode(s[1],s[3])
term %= factor , lambda h,s: s[1]
factor %= factor + power + constant , lambda h,s: PowNode(s[1],s[3])
factor %= constant , lambda h,s: s[1]
constant %= opar + num_expr + cpar , lambda h,s: s[2]
constant %= num , lambda h,s: ConstantNumNode(s[1])
constant %= euler , lambda h,s: ConstantNumNode(euler)
constant %= pi , lambda h,s: ConstantNumNode(pi)
constant %= math_function , lambda h,s: s[1]
constant %= iterable_ext , lambda h,s: s[1]
math_function %= sqrt + opar + num_expr + cpar ,lambda h,s: SqrtNode(s[3])
math_function %= sen + opar + num_expr + cpar ,lambda h,s: SinNode(s[3])
math_function %= cos + opar + num_expr + cpar ,lambda h,s: CosNode(s[3])
math_function %= log + opar + num_expr + comma + num_expr + cpar ,lambda h,s: LogNode(s[3],s[5])
math_function %= exp + opar + num_expr + cpar ,lambda h,s: ExpNode(s[3])
#endregion
#region Lexer
nonzero_digits = '|'.join(str(n) for n in range(1,10))
letters = '|'.join(chr(n) for n in range(ord('a'),ord('z')+1))
letters = letters +'|'+'|'.join(chr(n) for n in range(ord('A'),ord('Z')+1))
symbols="!|@|%|^|&|\\*|_|+|-|/|:|;|\\<|\\>|\\=|,|.|?|~|`|\\(|\\)|[|]|{|}|#|'|\\||¿|¡|º|ª|¬"
vari = f'\\"({letters}|{nonzero_digits}|{symbols}| |\\")*\\"'
lexer = Lexer([
('space', ' *'),
(semi,';'),
(comma,','),
(plus,plus.Name),
(minus,minus.Name),
(opar,'\\'+opar.Name),
(cpar,'\\'+cpar.Name),
(star,'\\'+star.Name),
(div,div.Name),
(power,power.Name),
(mod,mod.Name),
(sqrt,sqrt.Name),
(sen,sen.Name),
(cos,cos.Name),
(log,log.Name),
(exp,exp.Name),
(function_,function_.Name),
(arrow,arrow.Name),
(okey,okey.Name),
(ckey,ckey.Name),
(not_, not_.Name),
(and_, and_.Name),
(or_, or_.Name),
(true_,true_.Name),
(false_,false_.Name),
(equals,equals.Name),
(not_equals,not_equals.Name),
(greater,greater.Name),
(less,less.Name),
(greater_equals,greater_equals.Name),
(less_equals,less_equals.Name),
(num, f'({nonzero_digits})(0|{nonzero_digits})*|0'),
(euler, euler.Name),
(pi, pi.Name),
(str_, vari),
(concat, concat.Name),
(print_, print_.Name),
(let, let.Name),
(in_, in_.Name),
(equal, equal.Name),
(dest_op, dest_op.Name),
(if_, if_.Name),
(else_, else_.Name),
(elif_, elif_.Name),
(while_, while_.Name),
(for_, for_.Name),
(dot, dot.Name),
(double_point, double_point.Name),
(type_, type_.Name),
(inherits, inherits.Name),
(extends, extends.Name),
(protocol, protocol.Name),
(id_, f'({letters})({letters}|0|{nonzero_digits})*')
],G.EOF)
#endregion
texts=['5+4;']
#region Parser
parser = LR1Parser(G)
for i in texts:
tokens = lexer(i)
tokens_type = []
for j in tokens:
if j.token_type!='space':
tokens_type.append(j.token_type)
parse,operations = parser(tokens_type, get_shift_reduce=True)
#endregion
#region Semantic Checker
ast = evaluate_reverse_parse(parse, operations, tokens)
formatter = FormatVisitor()
print(formatter.visit(ast))
scope = Scope()
semantic_checker = SemanticCheckerVisitor()
errors = semantic_checker.visit(ast)
for i, error in enumerate(errors,1):
print(f'{i}.', error)
#endregion
#test_lexer()
#test_parser()
#test_parser_lexer()
#test_hulk()
#loop_grammar()
#test_grammar()
semantic_checker_test()