def p_lookup(p):
"""lookup : load DOT NAME
"""
p[0] = Node("Lookup")
p[0].var = p[1]
p[0].var.ctl = "store"
p[0].attr = p[3]
def t_Sstring(t):
r"'.*?[^\\]'"
t.type='STRING'
x=Node('String')
x.value=t.value[1:-1]
t.value = x
return t
def p_array(p):
'''array : unary_expr list %prec LBRACKET
| tuple list %prec LBRACKET
'''
p[0]= Node('ARRAY')
p[0].var = p[1]
p[0].elems = p[2].elems
def p_fcall(p):
'''fcall : unary_expr tuple
| fcall tuple
'''
p[0] = Node('FCALL')
p[0].func = p[1]
p[0].args = p[2].elems
def t_Dstring(t):
r'".*?[^\\]"'
t.type='STRING'
x=Node('String')
x.value=t.value[1:-1]
t.value = x
return t
def p_halfcblock(p):
'''halfcblock : Lcurly
| halfcblock pvar
| halfcblock dot
| halfcblock dvar
| halfcblock spaces
| halfcblock identifier
| halfcblock newline
| halfcblock cblock
| halfcblock pblock
| halfcblock colon
| halfcblock string
| halfcblock num
| halfcblock eq
| halfcblock lt
| halfcblock gt
| halfcblock not
| halfcblock tab
| halfcblock misc
| halfcblock comma
| halfcblock fcall
'''
p[0] = Node('halfc','')
if len(p)>2:
p[0].args=p[1].args
n=p[2]
if isinstance(p[2],str):
x= p[2]
if x=='\n':
x='newline'
n=Node("token")
n.str = x
p[0].args.append(n)
else:
p[0].args= []
def p_for1(p):
"""for : FOR NAME IN load block
"""
p[0] = Node("ForEach")
p[0].iter = p[2]
p[0].list = p[4]
p[0].body = p[5]
def p_fDef(p):
"""fDef : DEF NAME defTuple ARROW EXCLAMATION NAME block"""
p[0] = Node("Fdef")
p[0].func = p[2]
p[0].args = p[3]
p[0].rettype = p[6]
p[0].body = p[7]
def p_for3(p):
"""for : FOR NAME EQ range block
"""
p[0] = Node("For")
p[0].iter = p[2]
p[0].range = p[4]
p[0].body = p[5]
def p_array(p):
'''array : unary_expr list %prec LBRACKET
| tuple list %prec LBRACKET
'''
p[0]= Node('Subscript')
p[0].var = p[1]
p[0].slice = p[2]
def p_if2(p):
'''if : IF expr block elif
| IF expr block else
'''
p[0] = Node('IF')
p[0].cond = p[1]
p[0].body=p[3].body
p[0].orelse = p[4]
def p_ptr(p):
'''ptr : AMP unary_expr
| AMP tuple
| AMP list
'''
p[0] =Node('PTR')
p[0].var = p[2]
def p_assign4(p):
'''assign : commalist_expr EQ commalist_expr
'''
p[0] = Node('Assign')
p[0].target =Node('tuple')
p[0].target.elems =p[1].elems
p[0].value =Node('tuple')
p[0].value.elems =p[3].elems
def t_COMPLEXF(t):
r'\d+\.\d+i'
x = Node('Complex')
x.real = 0
x.imag = float(t.value[:-1])
t.type='COMPLEX'
t.value=x
return t
def p_procedure_or_function_call(t):
""" procedure_or_function_call : identifier LPAREN param_list RPAREN
| identifier """
if len(t) == 2:
t[0] = Node("function_call", t[1])
else:
t[0] = Node("function_call", t[1], t[3])
def p_procedure_heading(t):
""" procedure_heading : PROCEDURE identifier
| PROCEDURE identifier LPAREN parameter_list RPAREN"""
if len(t) == 3:
t[0] = Node("procedure_head", t[2])
else:
t[0] = Node("procedure_head", t[2], t[4])
def p_elif2(p):
'''elif : ELIF expr block elif
| ELIF expr block else
'''
p[0] =Node('IF')
p[0].cond = p[2]
p[0].body = p[3].body
p[0].orelse = p[4]
def p_lookup(p):
'''lookup : unary_expr DOT IDENTIFIER %prec DOT
| list DOT IDENTIFIER %prec DOT
| tuple DOT IDENTIFIER %prec DOT
'''
p[0] = Node('LOOKUP')
p[0].var = p[1]
p[0].attr = p[3]
def p_foreach(p):
'''foreach : FOR IDENTIFIER IN expr block
| FOR vdef IN expr block
'''
p[0] = Node('Foreach')
p[0].iter = p[2]
p[0].target = p[4]
p[0].body = p[5].body
def p_arrayAccess1(p):
"""arrayAccess : load LBRACKET expr RBRACKET
| load LBRACKET range RBRACKET
"""
p[0] = Node("ArrayAccess")
p[0].var = p[1]
p[0].var.ctl = "store"
p[0].args = p[3]
def p_assign(p):
"""assign : store EQ expr
| varDef EQ expr
| varDef EQ assign
| store EQ assign
"""
p[0] = Node("Assign")
p[0].left = p[1]
p[0].right = p[3]
def p_fdef(p):
'''fdef : DEF IDENTIFIER tuple block
'''
p[0] = Node('FuncDef')
p[0].name = p[2].value
p[0].args = Node('Arguments')
p[0].args.args = p[3].elems
p[0].body = p[4].body
def p_atptr(p):
'''atptr : AT unary_expr
| AT vdef
| AT tuple
| AT list
'''
p[0] = Node('AT')
etype = p[1].type
p[0].ptr = p[2]
def p_for2(p):
"""for : FOR nameList IN load block
"""
x = Node("Tuple")
p[0] = Node("ForEach")
p[0].iter = x
p[0].list = p[4]
p[0].body = p[5]
p[0].iter.elems = p[2]
def p_logical_expr1(p):
'''logical_expr : expr AND expr
| expr OR expr
| expr XOR expr
'''
p[0] = Node('COMPARE')
p[0].left = p[1]
p[0].op = p[2]
p[0].right = p[3]
def p_ifstatement(p):
'''
ifstatement : IF LPAREN condition RPAREN controlbody %prec IFX
| IF LPAREN condition RPAREN controlbody ELSE controlbody
'''
if len(p) == 6:
p[0] = Node('IF',[p[3],p[5]])
else:
p[0] = Node('IF',[p[3],p[5],p[7]])
def p_ifstatement(p):
'''
ifstatement : IF LPAREN condition RPAREN controlbody %prec IFX
| IF LPAREN condition RPAREN controlbody ELSE controlbody
'''
if len(p) == 6:
p[0] = SDTS(Node('IF', [p[3].node, p[5].node]))
else:
p[0] = SDTS(Node('IF', [p[3].node, p[5].node, p[7].node]))
def p_root(p):
"""
root : ROOT start
| ROOT KDELIMITER start KDELIMITER start
"""
if (len(p) == 3): # \sqrt{x}
p[0] = Node(content=p[1], right=p[2])
elif (len(p) == 6): # \sqrt[4]{y}
p[0] = Node(content=p[1], right=p[5], superscript=p[3])
def t_NAME(t):
r"[a-zA-Z_]([a-zA-Z0-9_])*"
if t.value in keyword_map:
t.type=keyword_map[t.value]
else:
x = Node('Name')
x.value=t.value
t.value = x
return t
def p_if_statement(t):
"""if_statement : IF expression THEN statement ELSE statement
| IF expression THEN statement
"""
if len(t) == 5:
t[0] = Node('if', t[2], t[4])
else:
t[0] = Node('if', t[2], t[4], t[6])
def p_cast(p):
'''cast : list tuple %prec AT
| list list %prec AT
| list unary_expr %prec AT
'''
p[0] = Node('CAST')
if len(p[1].elems)>1:
print 'Syntax error while type casting at %s'%p.lineno(1)
p[0].ctype = p[1].elems[0]
p[0].value = p[2]
def p_vdef1(p):
'''vdef : IDENTIFIER unary_expr %prec DEF
| ptr unary_expr %prec DEF
| fptr unary_expr %prec DEF
| tuple unary_expr %prec DEF
'''
p[0] = Node('VDEF')
t = p[1]
p[0].datatype = t
p[0].var = p[2]
def p_commalist_def1(p):
'''commalist_def : vdef COMMA vdef
| vdef COMMA assign
| vdef COMMA unary_expr
| assign COMMA vdef
| assign COMMA assign
| assign COMMA unary_expr
'''
p[0] = Node('COMMALIST')
p[0].elems = [p[1],p[3]]
def p_arith_expr1(p):
'''arith_expr : expr PLUS expr
| expr MINUS expr
| expr MULT expr
| expr DIV expr
'''
p[0] = Node('Arith')
p[0].left = p[1]
p[0].op = p[2]
p[0].right = p[3]
def p_function_heading(t):
""" function_heading : FUNCTION type
| FUNCTION identifier COLON type
| FUNCTION identifier LPAREN parameter_list RPAREN COLON type"""
if len(t) == 3:
t[0] = Node("function_head", t[2])
elif len(t) == 5:
t[0] = Node("function_head", t[2], t[3])
else:
t[0] = Node("function_head", t[2], t[4], t[7])
def p_condition(p):
'''
condition : expression LT expression
| expression GT expression
| expression LE expression
| expression GE expression
| expression EQ expression
| expression NE expression
| condition AND condition
| condition OR condition
| NOT condition
| LPAREN condition RPAREN
'''
if len(p) == 2:
p[0] = Node('NOT',[p[2]],p[2].is_const)
if p[2] == '<':
p[0] = Node('LT',[p[1],p[3]],p[1].is_const and p[3].is_const)
elif p[2] == '>':
p[0] = Node('GT',[p[1],p[3]],p[1].is_const and p[3].is_const)
elif p[2] == '<=':
p[0] = Node('LE',[p[1],p[3]],p[1].is_const and p[3].is_const)
elif p[2] == '>=':
p[0] = Node('GE',[p[1],p[3]],p[1].is_const and p[3].is_const)
elif p[2] == '==':
p[0] = Node('EQ',[p[1],p[3]],p[1].is_const and p[3].is_const)
elif p[2] == '!=':
p[0] = Node('NE',[p[1],p[3]],p[1].is_const and p[3].is_const)
elif p[2] == '&&':
p[0] = Node('AND',[p[1],p[3]],p[1].is_const and p[3].is_const)
elif p[2] == '||':
p[0] = Node('OR',[p[1],p[3]],p[1].is_const and p[3].is_const)
else :
p[0] = p[2]
def p_Rparen(p):
'''Rparen : rparen
| spaces Rparen
'''
if len(p)>2:
s = p[1].str
s+=p[2].str
else:
s=p[1]
p[0] = Node('Rparen')
p[0].str=s
def p_varDef(p):
"""varDef : type NAME
| type NAME LBRACKET INT RBRACKET
"""
p[0] = Node("VarDef")
p[0].dtype = p[1]
p[0].var = p[2]
if len(p) > 4:
p[0].size = p[4].value
else:
p[0].size = None
def p_controlbody(p):
'''
controlbody : LBRACE statements RBRACE
| statement
| SEMICOLON
'''
if len(p) == 4:
p[0] = p[2]
elif p[1] == ';':
p[0] = SDTS(Node('STMTS', []))
else:
p[0] = SDTS(Node('STMTS', [p[1].node]))
def p_parameter_list(t):
""" parameter_list : parameter COMMA parameter_list
| parameter"""
if len(t) == 4:
t[0] = Node("parameter_list", t[1], t[3])
else:
t[0] = t[1]
def p_address(p):
'''
address : AMPERSAND pointer
| AMPERSAND address
| AMPERSAND var
'''
p[0] = Node('ADDR',[p[2]],False)
def p_ciclos(p):
'''ciclos : ID IGUAL NUMBER
| ID DOBLEIGUAL NUMBER
| ID MENORQUE NUMBER
| ID MAYORQUE NUMBER
| ID MENOROIGUAL NUMBER
| ID MAYOROIGUAL NUMBER
| ID IGUAL ID
| ID DOBLEIGUAL ID
| ID MENORQUE ID
| ID MAYORQUE ID
| ID MENOROIGUAL ID
| ID MAYOROIGUAL ID
| RETURN
| ID DISTINTODE NUMBER
| ID DISTINTODE ID
'''
if len(p) == 4:
if str(p[3]).isdigit():
todo = str(p[1]) + str(p[2]) + str(p[3])
id = str(p[1])
else:
todo = str(p[1]) + str(p[2]) + " Ejem_" + str(p[3])
id = str(p[1])
elif len(p) == 3:
todo = str(p[1]) + +str(p[2]) + str(p[3])
id = str(p[1])
p[0] = Node("ciclos", todo, id)
def p_repeticion(p):
'''repeticion : FOR PARENTESISIZQUIERDO ciclos PUNTOYCOMA ciclos PUNTOYCOMA ciclos PARENTESISDERECHO LLAVEIZQUIERDA contenidos LLAVEDERECHA
'''
contenido = str(p[1]) + str(p[2]) + "Ejem_" + str(p[3]) + str(
p[4]) + " Ejem_" + str(p[5]) + str(p[6]) + str(p[7]) + str(p[8]) + str(
p[9]) + str(p[10]) + str(p[11])
p[0] = Node("for", contenido)
def p_param_list(t):
""" param_list : param_list COMMA param
| param """
if len(t) == 2:
t[0] = t[1]
else:
t[0] = Node("parameter_list", t[1], t[3])
def p_statement_sequence(t):
"""statement_sequence : statement SEMICOLON statement_sequence
| statement"""
if len(t) == 2:
t[0] = t[1]
else:
t[0] = Node('statement_list', t[1], t[3])
def p_declaracion_f_3(p):
'''declaracionfun : tipo ID PARENTESISIZQUIERDO PARENTESISDERECHO PUNTOYCOMA
| tipo ID PARENTESISIZQUIERDO paramdeclaraciones PARENTESISDERECHO PUNTOYCOMA
'''
p[1] = ""
todo = ""
p[0] = Node("parametros", todo, p[1])
def p_expression_m(t):
""" expression_m : expression_s
| expression_m sign expression_s"""
if len(t) == 2:
t[0] = t[1]
else:
t[0] = Node('op', t[2], t[1], t[3])
def p_expression_s(t):
""" expression_s : element
| expression_s psign element"""
if len(t) == 2:
t[0] = t[1]
else:
t[0] = Node('op', t[2], t[1], t[3])
def p_contenidos(p):
''' contenidos : contenidos cout
| contenidos cin
| contenidos seleccion
| contenidos iteracion
| contenidos repeticion
| contenidos operaciones
| contenidos inc
| contenidos dec
| inc contenidos
| dec contenidos
| cout
| cin
| seleccion
| iteracion
| repeticion
| operaciones
| inc
| dec
| return
| contenidos return
'''
if len(p) == 3:
p[0] = str(p[1]) + str(p[2])
sub = p[0]
elif len(p) == 2:
p[0] = p[1]
sub = p[0]
p[0] = Node("todo", sub)
def p_todo(p):
''' todo : todo cout
| todo declaracion
| todo cin
| todo dec
| todo inc
| todo seleccion
| todo iteracion
| todo repeticion
| todo operaciones
| todo callfun
| todo return
| todo powgen
| powgen
| return
| declaracion
| cout
| cin
| dec
| inc
| seleccion
| iteracion
| repeticion
| operaciones
| callfun
'''
if p[1].type == "todo":
if p[1] is None:
sub = str(p[2])
else:
sub = str(p[1].sub) + str(p[2])
else:
sub = str(p[1])
p[0] = Node("todo", sub)
def p_declaracion(p):
'''declaracion : tipo ID IGUAL NUMBER PUNTOYCOMA
'''
todo = "Ejem_" + str(p[2]) + " " + str(p[3]) + " " + str(p[4]) + " " + str(
p[5])
p[1] = 'var'
p[0] = Node("parametros", todo, p[1])
def p_cin(p):
''' cin : CIN DOBLEMAYORQUE repcin PUNTOYCOMA
'''
p[0] = p[3]
listacin = []
listacin2 = []
listacin3 = []
for x in p[0].split(">>"):
i = 0
listacin.append(x)
while i < len(listacin):
comillas = '"'
cin = "$(" + comillas + "#consola" + comillas + ").append(" + "Ejem_"
todo = cin + listacin[
i] + "=prompt('Inserte el dato:',''));$('#consola').append('<br>');"
#Ejem_"+listacin[i]+"=parseInt(Ejem_"+listacin[i]+"); if(isNaN("+ "Ejem_"+listacin[i]+")==true) "+ "Ejem_"+listacin[i]+" = 0; $('#consola').append('<br>');"
listacin2 = todo
i = i + 1
listacin3.append(listacin2)
cadena = ''
l = len(listacin3)
for x in range(0, l):
cadena = cadena + listacin3[x]
p[0] = Node("cin", cadena)
def p_pointer(p):
'''
pointer : TIMES pointer %prec STAR
| TIMES address %prec STAR
| TIMES var %prec STAR
'''
p[0] = Node('DEREF',[p[2]],False)
def createTree(self, l=[], level=0, parent=None):
sentType = l[0]
children = l[1:]
node = Node(value=sentType, level=level)
if parent:
parent.addChild(node)
if level == 0:
self.tree.setStart(node)
for elem in children:
if type(elem) is tuple:
self.createTree(l=elem, level=level + 1, parent=node)
else:
child = Node(level=level + 1, value=elem)
node.addChild(child)
def p_retstatement(p):
'''
retstatement : RETURN expression SEMICOLON
| RETURN SEMICOLON
'''
## Check the return type and the function return type
if len(p) == 3 and glob.curr_sym_table.ftype != 'void':
raiseExpectedReturn(glob.curr_sym_table.fname,glob.curr_sym_table.ftype,'void',0,0,glob.line_number)
elif len(p) == 4:
# p[2] is a tuple of type, indirection
if glob.curr_sym_table.ftype != p[2].syminfo[0] or glob.curr_sym_table.findirection != p[2].syminfo[1]:
raiseExpectedReturn(glob.curr_sym_table.fname,glob.curr_sym_table.ftype,p[2].syminfo[0],glob.curr_sym_table.findirection,p[2].syminfo[1],glob.line_number)
if len(p) == 3:
p[0] = SDTS(Node('RETURN',[]))
else:
p[0] = SDTS(Node('RETURN',[p[2].node]))
def p_pointer(p):
'''
pointer : TIMES pointer %prec STAR
| TIMES address %prec STAR
| TIMES var %prec STAR
'''
p[2].syminfo.indirection += 1
p[0] = SDTS(Node('DEREF', [p[2].node], False), p[2].syminfo)
def p_declaracion_2(p):
'''declaracion : tipo ID IGUAL ID PUNTOYCOMA
'''
if p[1] == "int":
todo = "Ejem_" + str(p[2]) + " " + str(p[3]) + " Ejem_" + str(
p[4]) + " " + str(p[5])
elif p[1] == "string":
if p[2] == p[4]:
p[4] = "0"
todo = "Ejem_" + str(p[2]) + " " + str(p[3]) + " " + str(
p[4]) + str(p[5])
p[0] = Node("parametros", todo, p[1])
else:
todo = " Ejem_" + str(p[2]) + str(p[3]) + " Ejem_" + str(
p[4]) + str(p[5])
p[0] = Node("parametros", todo, p[1])
p[0] = Node("parametros", todo)
def p_expression(t):
"""expression : expression and_or expression_m
| expression_m
"""
if len(t) == 2:
t[0] = t[1]
else:
t[0] = Node('op', t[2], t[1], t[3])
def p_element(t):
"""element : identifier
| real
| integer
| string
| char
| LPAREN expression RPAREN
| NOT element
| function_call_inline
"""
if len(t) == 2:
t[0] = Node("element", t[1])
elif len(t) == 3:
# not e
t[0] = Node('not', t[2])
else:
# ( e )
t[0] = Node('element', t[2])
def p_variable_declaration_list(t):
"""variable_declaration_list : variable_declaration variable_declaration_list
| variable_declaration
"""
# function and procedure missing here
if len(t) == 2:
t[0] = t[1]
else:
t[0] = Node('var_list', t[1], t[2])
