'!=': 9,
'+': 10,
'-': 10,
'*': 11,
'/': 11,
'UMINUS': 15,
'POSITIVE': 15
}
assosiation = { # 结合律
# '+':'L',
# '-':'L',
# '*':'L',
# '/':'L',
# 'UMINUS':'R'
}
precs = {'UMINUS': ['E', '-', 'E'], 'POSITIVE': ['E', '+', 'E']}
terminal = ['+', '-', '*', 'id', 'num', '/'
] #,'UMINUS','POSITIVE','>','>=','<','<=','!=','==','||','!','&&']
nonterminal = ['E']
parser = Parser(productions, terminal, nonterminal, precs, precedence,
assosiation)
# parser.generate(printInfo=True)
parser.generate()
parser.dumpjson('lrtables.json')
parser.htmlparse('testspeed.html')
print(calls)
# tokens = ['-','id','+','id','*','id']
# parser.parse(tokens)
'-': 10,
'*': 11,
'/': 11,
'UMINUS': 15
}
assosiation = { # 结合律
'+': 'L',
'-': 'L',
'*': 'L',
'/': 'L',
'UMINUS': 'R',
'!': 'R'
}
precs = {
'UMINUS': ['Expression', '-', 'Expression'],
}
parser = Parser(productions, terminal, nonterminal, precs, precedence,
assosiation)
# parser.generate(printInfo=True)
parser.generate(printInfo=False)
tokens = ['id', '>', 'id']
parser.checkerror()
# parser.parse(tokens)
'''
function hello()
if
'''
parser.htmlparse()
print(calls)
'||':7,
'&&':7,
'!':8,
'>=':9,
'>':9,
'<':9,
'<=':9,
'==':9,
'!=':9,
'+':10,
'-':10,
'*':11,
'/':11,
'UMINUS':15,
'POSITIVE':15
}
assosiation = {# 结合律
# '+':'L',
# '-':'L',
# '*':'L',
# '/':'L',
# 'UMINUS':'R'
}
precs = {
'UMINUS':['E','-','E'],
'POSITIVE':['E','+','E']
}
parser = Parser(productions, terminal, nonterminal, precs, precedence, assosiation)
parser.generate()
print(calls)
# '/':11,
# 'UMINUS':15
}
assosiation = { # 结合律
# '+':'L',
# '-':'L',
# '*':'L',
# '/':'L',
# 'UMINUS':'R'
}
precs = {
# 'UMINUS':['E','-','E']
}
parser = Parser(productions, terminal, nonterminal, precs, precedence,
assosiation)
parser.generate(printInfo=True)
parser.checkerror()
# tokens = ['id','=','id','>','id',';','id','=','id','>','id']
# tokens = ['if','(','id','>','id',')','id','=','id',';']
tokens = [
'if', 'id', '>', 'id', 'id', '=', 'id', ';', 'else', 'id', '=', 'id', ';'
]
# tokens= ['id','=','id',';']
tokens = [
'while', 'id', '>', 'id', 'id', '=', 'id', ';', 'if', 'id', '>', 'id',
'id', '=', 'id', ';', 'else', 'id', '=', 'id', ';'
]
tokens = [
'function', 'id', '(', ')', 'while', 'id', '>', 'id', 'id', '=', 'id', ';',
'if', 'id', '>', 'id', 'id', '=', 'id', ';', 'else', 'id', '=', 'id', ';'
'==': 9,
'!=': 9,
'+': 10,
'-': 10,
'*': 11,
'/': 11,
'UMINUS': 15,
'POSITIVE': 15
}
assosiation = { # 结合律
# '+':'L',
# '-':'L',
# '*':'L',
# '/':'L',
# 'UMINUS':'R'
}
precs = {'UMINUS': ['E', '-', 'E'], 'POSITIVE': ['E', '+', 'E']}
terminal = [
'+', '-', '*', '/', 'UMINUS', 'POSITIVE', '>', '>=', '<', '<=', '!=', '==',
'||', '!', '&&', 'id', 'num'
]
nonterminal = ['E']
parser = Parser(productions, terminal, nonterminal, precs, precedence,
assosiation)
parser.generate(printInfo=True)
parser.dumpjson('lrtables.json')
tokens = ['-', 'id', '+', 'id', '*', 'id']
parser.parse(tokens)