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Copy pathparser_rules.py
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658 lines (454 loc) · 14.3 KB
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# coding=utf-8
from lexer_rules import tokens
from collections import deque
from type_checker import *
from code_formatter import *
## Atributos ##
class Node:
def __init__(self):
# Usados para el formateo.
self.formatted_code = ""
self.lineno = -1
self.is_comment = False
# Usados para el chequeo de tipos.
self.type = NONE
self.register_fields = {}
## Syntax ##
# El codigo puede tener statements y comentarios mezclados
def p_syntax(p):
''' syntax : block_body '''
p[0] = p[1]
## Statement ##
def p_assign_stmt(p):
''' stmt : assign_expr ';' '''
p[0] = Node()
format_simple_stmt(p)
def p_inc_or_dec_stmt(p):
''' stmt : inc_or_dec_expr ';' '''
p[0] = Node()
format_simple_stmt(p)
def p_invocation_stmt(p):
''' stmt : invocation_expr ';' '''
p[0] = Node()
format_simple_stmt(p)
def p_return_stmt(p):
''' stmt : RETURN ';' '''
p[0] = Node()
format_return_stmt(p)
def p_begin_stmt(p):
''' stmt : BEGIN ';' '''
p[0] = Node()
format_begin_stmt(p)
def p_end_stmt(p):
''' stmt : END ';' '''
p[0] = Node()
format_end_stmt(p)
def p_do_while_stmt(p):
''' stmt : DO commented_body WHILE '(' condition_subexpr ')' ';' '''
p[0] = Node()
format_do_while_stmt(p)
def p_if_stmt(p):
''' stmt : IF '(' condition_subexpr ')' commented_body '''
p[0] = Node()
format_if_stmt(p)
def p_if_else_stmt(p):
''' stmt : IF '(' condition_subexpr ')' commented_body ELSE commented_body '''
p[0] = Node()
format_if_else_stmt(p)
def p_while_stmt(p):
''' stmt : WHILE '(' condition_subexpr ')' commented_body '''
p[0] = Node()
format_while_stmt(p)
def p_for_stmt(p):
''' stmt : FOR '(' for_initializer for_condition_subexpr for_incrementor ')' commented_body '''
p[0] = Node()
format_for_stmt(p)
def p_block_stmt(p):
''' stmt : '{' block_body '}' '''
p[0] = Node()
format_block_stmt(p)
def p_block_body_lines(p):
''' block_body : stmt block_body '''
p[0] = Node()
format_block_body_lines(p)
def p_block_body_stmt(p):
''' block_body : stmt '''
p[0] = p[1]
def p_block_body_comments(p):
''' block_body : COMMENT block_body '''
p[0] = Node()
format_block_body_comments(p)
def p_block_body_comment(p):
''' block_body : COMMENT '''
p[0] = Node()
format_block_body_comment(p)
def p_commented_comments_body(p):
''' commented_body : comments stmt '''
p[0] = Node()
format_commented_comments_body(p)
def p_commented_stmt_body(p):
''' commented_body : stmt '''
p[0] = p[1]
def p_multiple_comments(p):
''' comments : COMMENT comments '''
p[0] = Node()
format_multiple_comments(p)
def p_single_comment(p):
''' comments : COMMENT '''
p[0] = Node()
format_single_comment(p)
def p_for_initializer(p):
''' for_initializer : assign_expr ';' '''
p[0] = Node()
format_for_initializer(p)
def p_for_non_initializer(p):
''' for_initializer : ';' '''
p[0] = Node()
format_for_non_initializer(p)
def p_for_condition_subexpr(p):
''' for_condition_subexpr : condition_subexpr ';' '''
p[0] = Node()
format_for_condition_subexpr(p)
def p_for_assign_incrementor(p):
''' for_incrementor : assign_expr '''
p[0] = p[1]
def p_for_inc_dec_incrementor(p):
''' for_incrementor : inc_or_dec_expr '''
p[0] = p[1]
def p_for_incrementor(p):
''' for_incrementor : '''
p[0] = Node()
## Expressions ##
def p_eq_binary_l1_expr(p):
''' binary_expr : binary_expr EQ binary_l2_expr '''
p[0] = Node()
chk_binary_cmp_expr(p)
format_eq_binary_l1_expr(p)
def p_noteq_binary_l1_expr(p):
''' binary_expr : binary_expr NOTEQ binary_l2_expr '''
p[0] = Node()
chk_binary_cmp_expr(p)
format_noteq_binary_l1_expr(p)
def p_binary_l1_expr(p):
''' binary_expr : binary_l2_expr '''
p[0] = p[1]
def p_leq_binary_l2_expr(p):
''' binary_l2_expr : binary_l2_expr '<' binary_l3_expr '''
p[0] = Node()
chk_binary_cmp_expr(p)
format_leq_binary_l2_expr(p)
def p_gre_binary_l2_expr(p):
''' binary_l2_expr : binary_l2_expr '>' binary_l3_expr '''
p[0] = Node()
chk_binary_cmp_expr(p)
format_gre_binary_l2_expr(p)
def p_binary_l2_expr(p):
''' binary_l2_expr : binary_l3_expr '''
p[0] = p[1]
def p_add_binary_l3_expr(p):
''' binary_l3_expr : binary_l3_expr '+' binary_l4_expr '''
p[0] = Node()
chk_add_binary_l3_expr(p)
format_add_binary_l3_expr(p)
def p_sub_binary_l3_expr(p):
''' binary_l3_expr : binary_l3_expr '-' binary_l4_expr '''
p[0] = Node()
chk_binary_num_expr(p)
format_sub_binary_l3_expr(p)
def p_binary_l3_expr(p):
''' binary_l3_expr : binary_l4_expr '''
p[0] = p[1]
def p_mul_binary_l4_expr(p):
''' binary_l4_expr : binary_l4_expr '*' binary_l5_expr '''
p[0] = Node()
chk_binary_num_expr(p)
format_mul_binary_l4_expr(p)
def p_div_binary_l4_expr(p):
''' binary_l4_expr : binary_l4_expr '/' binary_l5_expr '''
p[0] = Node()
chk_binary_num_expr(p)
format_div_binary_l4_expr(p)
def p_mod_binary_l4_expr(p):
''' binary_l4_expr : binary_l4_expr '%' binary_l5_expr '''
p[0] = Node()
chk_binary_num_expr(p)
format_mod_binary_l4_expr(p)
def p_binary_l4_expr(p):
''' binary_l4_expr : binary_l5_expr '''
p[0] = p[1]
def p_pow_binary_l5_expr(p):
''' binary_l5_expr : binary_l5_expr '^' binary_l6_expr '''
p[0] = Node()
chk_binary_num_expr(p)
format_pow_binary_l5_expr(p)
def p_binary_l5_expr(p):
''' binary_l5_expr : binary_l6_expr '''
p[0] = p[1]
def p_and_binary_l6_expr(p):
''' binary_l6_expr : binary_l6_expr AND binary_l7_expr '''
p[0] = Node()
chk_binary_bool_expr(p)
format_and_binary_l6_expr(p)
def p_binary_l6_expr(p):
''' binary_l6_expr : binary_l7_expr '''
p[0] = p[1]
def p_or_binary_l7_expr(p):
''' binary_l7_expr : binary_l7_expr OR binary_subexpr '''
p[0] = Node()
chk_binary_bool_expr(p)
format_or_binary_l7_expr(p)
def p_binary_l7_expr(p):
''' binary_l7_expr : binary_subexpr '''
p[0] = p[1]
def p_add_assign_vector_expr(p):
''' assign_expr : vector_access_expr ADDASSIGN subexpr '''
p[0] = Node()
chk_assign_num_vector_expr(p)
format_add_assign_expr(p)
def p_add_assign_id_expr(p):
''' assign_expr : identifier_expr ADDASSIGN subexpr '''
p[0] = Node()
chk_assign_num_id_expr(p)
format_add_assign_expr(p)
def p_sub_assign_vector_expr(p):
''' assign_expr : vector_access_expr SUBASSIGN subexpr '''
p[0] = Node()
chk_assign_num_vector_expr(p)
format_sub_assign_expr(p)
def p_sub_assign_id_expr(p):
''' assign_expr : identifier_expr SUBASSIGN subexpr '''
p[0] = Node()
chk_assign_num_id_expr(p)
format_sub_assign_expr(p)
def p_mul_assign_vector_expr(p):
''' assign_expr : vector_access_expr MULASSIGN subexpr '''
p[0] = Node()
chk_assign_num_vector_expr(p)
format_mul_assign_expr(p)
def p_mul_assign_id_expr(p):
''' assign_expr : identifier_expr MULASSIGN subexpr '''
p[0] = Node()
chk_assign_num_id_expr(p)
format_mul_assign_expr(p)
def p_div_assign_vector_expr(p):
''' assign_expr : vector_access_expr DIVASSIGN subexpr '''
p[0] = Node()
chk_assign_num_vector_expr(p)
format_div_assign_expr(p)
def p_div_assign_id_expr(p):
''' assign_expr : identifier_expr DIVASSIGN subexpr '''
p[0] = Node()
chk_assign_num_id_expr(p)
format_div_assign_expr(p)
def p_initializer_vector_expr(p):
''' assign_expr : vector_access_expr '=' subexpr '''
p[0] = Node()
chk_initializer_vector_expr(p)
format_initializer_expr(p)
def p_initializer_id_expr(p):
''' assign_expr : identifier_expr '=' subexpr '''
p[0] = Node()
chk_initializer_id_expr(p)
format_initializer_expr(p)
def p_positive_unary_expr(p):
''' unary_expr : '+' unary_subexpr '''
p[0] = Node()
chk_prefix_unary_expr(p)
format_positive_unary_expr(p)
def p_negative_unary_expr(p):
''' unary_expr : '-' unary_subexpr '''
p[0] = Node()
chk_prefix_unary_expr(p)
format_negative_unary_expr(p)
def p_not_unary_expr(p):
''' unary_expr : NOT unary_subexpr '''
p[0] = Node()
chk_not_unary_expr(p)
format_not_unary_expr(p)
def p_postfix_inc_expr(p):
''' inc_or_dec_expr : binary_expr INC '''
p[0] = Node()
chk_postfix_unary_expr(p)
format_postfix_inc_expr(p)
def p_postfix_dec_expr(p):
''' inc_or_dec_expr : binary_expr DEC '''
p[0] = Node()
chk_postfix_unary_expr(p)
format_postfix_dec_expr(p)
def p_prefix_inc_expr(p):
''' inc_or_dec_expr : INC binary_expr '''
p[0] = Node()
chk_prefix_unary_expr(p)
format_prefix_inc_expr(p)
def p_prefix_dec_expr(p):
''' inc_or_dec_expr : DEC binary_expr '''
p[0] = Node()
chk_prefix_unary_expr(p)
format_prefix_dec_expr(p)
def p_invocation_expr(p):
''' invocation_expr : multiplicacion_escalar
| capitalizar
| colineales
| length
| print '''
p[0] = p[1]
def p_parenthesized_expr(p):
''' parenthesized_expr : '(' subexpr ')' '''
p[0] = Node()
chk_parenthesized_expr(p)
format_parenthesized_expr(p)
def p_vector_access_expr(p):
''' vector_access_expr : vector_subexpr '[' condition_subexpr ']' '''
p[0] = Node()
chk_vector_access_expr(p)
format_vector_access_expr(p)
def p_vector_declaration_expr(p):
''' vector_declaration_expr : '[' vector_elements ']' '''
p[0] = Node()
chk_vector_declaration_expr(p)
format_vector_declaration_expr(p)
def p_vector_index_expr(p):
''' vector_index_expr : vector_declaration_expr '[' condition_subexpr ']' '''
p[0] = Node()
chk_vector_index_expr(p)
format_vector_index_expr(p)
def p_register_access_expr(p):
''' register_access_expr : register_access_subexpr '.' ID '''
p[0] = Node()
chk_register_access_expr(p)
format_register_access_expr(p)
def p_anonymous_obj_ctor_expr(p):
''' anonymous_obj_ctor_expr : '{' register_declaration_elements '}' '''
p[0] = Node()
chk_anonymous_obj_ctor_expr(p)
format_anonymous_obj_ctor_expr(p)
def p_ternary_condition_expr(p):
''' ternary_condition_expr : binary_expr '?' subexpr ':' subexpr '''
p[0] = Node()
chk_ternary_condition_expr(p)
format_ternary_condition_expr(p)
def p_identifier_reg_expr(p):
''' identifier_expr : register_access_expr '''
p[0] = p[1]
def p_identifier_expr(p):
''' identifier_expr : ID
| RES '''
p[0] = Node()
chk_identifier_expr(p)
format_identifier_expr(p)
def p_vector_multiple_elements(p):
''' vector_elements : subexpr ',' vector_elements '''
p[0] = Node()
chk_vector_multiple_elements(p)
format_vector_multiple_elements(p)
def p_vector_single_elements(p):
''' vector_elements : subexpr '''
p[0] = p[1]
def p_register_multiple_decl_elems(p):
''' register_declaration_elements : ID ':' subexpr ',' register_declaration_elements '''
p[0] = Node()
chk_register_multiple_decl_elems(p)
format_register_multiple_decl_elems(p)
def p_register_single_decl_elems(p):
''' register_declaration_elements : ID ':' subexpr '''
p[0] = Node()
chk_register_single_decl_elems(p)
format_register_single_decl_elems(p)
## Sub expressions ##
def p_subexpr(p):
''' subexpr : binary_expr
| ternary_condition_expr
| vector_declaration_expr
| anonymous_obj_ctor_expr '''
p[0] = p[1]
def p_condition_subexpr(p):
''' condition_subexpr : binary_expr
| ternary_condition_expr '''
p[0] = p[1]
def p_binary_subexpr(p):
''' binary_subexpr : unary_expr
| unary_subexpr '''
p[0] = p[1]
def p_vector_subexpr(p):
''' vector_subexpr : identifier_expr
| parenthesized_expr
| invocation_expr
| vector_index_expr
| vector_access_expr '''
p[0] = p[1]
def p_unary_subexpr(p):
''' unary_subexpr : term
| parenthesized_expr
| invocation_expr
| vector_index_expr
| vector_access_expr '''
p[0] = p[1]
def p_register_access_subexpr(p):
''' register_access_subexpr : anonymous_obj_ctor_expr
| vector_access_expr '''
p[0] = p[1]
def p_register_access_id_subexpr(p):
''' register_access_subexpr : ID '''
p[0] = Node()
format_register_access_id_subexpr(p)
## Invocations ##
def p_multiplicacion_escalar_3_params(p):
''' multiplicacion_escalar : MULESCALAR '(' subexpr ',' subexpr ',' subexpr ')' '''
p[0] = Node()
chk_multiplicacion_escalar_3_params(p)
format_3_params_func(p)
def p_multiplicacion_escalar_2_params(p):
''' multiplicacion_escalar : MULESCALAR '(' subexpr ',' subexpr ')' '''
p[0] = Node()
chk_multiplicacion_escalar_2_params(p)
format_2_params_func(p)
def p_capitalizar(p):
''' capitalizar : CAPITALIZAR '(' subexpr ')' '''
p[0] = Node()
chk_capitalizar(p)
format_1_params_func(p)
def p_colineales(p):
''' colineales : COLINEALES '(' subexpr ',' subexpr ')' '''
p[0] = Node()
chk_colineales(p)
format_2_params_func(p)
def p_print(p):
''' print : PRINT '(' subexpr ')' '''
p[0] = Node()
format_1_params_func(p)
def p_length(p):
''' length : LENGTH '(' subexpr ')' '''
p[0] = Node()
chk_length(p)
format_1_params_func(p)
## Terms ##
def p_int_term(p):
''' term : INT '''
p[0] = Node()
chk_int_term(p)
format_term(p)
def p_float_term(p):
''' term : FLOAT '''
p[0] = Node()
chk_float_term(p)
format_term(p)
def p_string_term(p):
''' term : STRING '''
p[0] = Node()
chk_string_term(p)
format_term(p)
def p_boolean_term(p):
''' term : BOOL '''
p[0] = Node()
chk_boolean_term(p)
format_term(p)
def p_id_term(p):
''' term : identifier_expr '''
p[0] = p[1]
## Other ##
def p_error(p):
if not (p is None) :
error_msg = "Error de sintaxis antes del token: " + str(p.value) + " linea: " + str(p.lineno)
else:
error_msg = "Error de sintaxis al final del archivo!"
raise SyntaxError(error_msg)