本文整理汇总了Python中Constants.integer方法的典型用法代码示例。如果您正苦于以下问题：Python Constants.integer方法的具体用法？Python Constants.integer怎么用？Python Constants.integer使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Constants的用法示例。
在下文中一共展示了Constants.integer方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: gen_literal
# 需要导入模块: import Constants [as 别名]
# 或者: from Constants import integer [as 别名]
def gen_literal(ast):
assert ast[0] == 'Literal'
if type(ast[1]) == int:
label = Constants.integer(ast[1])
rd = Registers.allocate(1)[0]
builder.inst_la(rd, label)
return rd
elif type(ast[1]) == str:
return gen_string_literal(ast[1])
elif type(ast[1]) == bool:
label = Constants.integer(1 if ast[1] else 0)
rd = Registers.allocate(1)[0]
builder.inst_la(rd, label)
return rd示例2: gen_function_expression
# 需要导入模块: import Constants [as 别名]
# 或者: from Constants import integer [as 别名]
def gen_function_expression(ast):
assert ast[0] == 'FunctionExpression'
label = Labels.function()
func, temp = Registers.allocate(2)
builder.inst_newfunc(func, label)
context['function'].append(func)
if ast[2] != '(':
# The function has an identifier
identifier = gen_identifier(ast[2], True)
builder.inst_getvar(temp, identifier)
builder.inst_move(temp, func)
Registers.free([identifier])
args, t1, t2 = Registers.allocate(3)
builder.inst_la(t1, Constants.string('arguments'))
builder.inst_getfield(args, func, t1)
if ast[-3] != '(':
# The function has arguments
offset = -16
for node in ast[-3]:
if type(node) == list:
arg = gen_identifier(node, True)
builder.inst_getfield(t1, args, arg)
builder.inst_la(t2, Constants.integer(offset))
builder.inst_move(t1, t2)
Registers.free([arg])
offset -= 4
Registers.free([t1, t2])
# The function body starts.
builder.enter(label)
gen_function_body(ast[-1])
builder.exit(label)
context['function'].pop()
return func示例3: call_func
# 需要导入模块: import Constants [as 别名]
# 或者: from Constants import integer [as 别名]
def call_func(self, func, this, args):
fp = Registers.fp()
sp = Registers.sp()
temp, zero = Registers.allocate(2)
self.inst_newobj(temp)
self.inst_la(zero, Constants.integer(0))
self.inst_add(temp, fp, zero)
self.push(temp) # push fp
Registers.free([temp, zero])
self.inst_move(fp, sp)
self.push(0) # dummy push for return address
self.push(func)
self.push(this)
self.push(0) # dummy push for return value
for arg in args:
self.push(arg)
self.inst_jalr(func)示例4: pop
# 需要导入模块: import Constants [as 别名]
# 或者: from Constants import integer [as 别名]
def pop(self, rd):
sp = Registers.sp()
self.inst_la(rd, Constants.integer(4)) # reuse rd so as not to introduce new register
self.inst_add(sp, sp, rd)
self.inst_ld(rd, sp, 0)示例5: gen_assignment_expression_no_in
# 需要导入模块: import Constants [as 别名]
# 或者: from Constants import integer [as 别名]
def gen_assignment_expression_no_in(ast):
assert ast[0] == 'AssignmentExpressionNoIn'
if len(ast) == 2:
if ast[1][0] == 'LeftHandSideExpression':
return gen_left_hand_side_expression(ast[1])
elif ast[1][0] == 'CallExpression':
return gen_call_expression(ast[1])
elif ast[1][0] == 'MemberExpression':
return gen_member_expression(ast[1])
elif len(ast) == 3:
if ast[1][0] == 'AssignmentExpressionNoIn':
raise Exception('Postfix operator is not supported yet.')
rs = gen_assignment_expression_no_in(ast[1])
rt = Registers.allocate(1)[0]
builder.inst_la(rt, Constants.integer(1))
if ast[2] == '++':
builder.inst_add(rs, rs, rt)
elif ast[2] == '--':
builder.inst_sub(rs, rs, rt)
Registers.free([rt])
return rs
elif ast[1] == '++':
rs = gen_assignment_expression_no_in(ast[2])
rt = Registers.allocate(1)[0]
builder.inst_la(rt, Constants.integer(1))
builder.inst_add(rs, rs, rt)
Registers.free([rt])
return rs
elif ast[1] == '--':
rs = gen_assignment_expression_no_in(ast[2])
rt = Registers.allocate(1)[0]
builder.inst_la(rt, Constants.integer(1))
builder.inst_sub(rs, rs, rt)
Registers.free([rt])
return rs
elif ast[1] == 'typeof':
rd = Registers.allocate(1)[0]
rs = gen_assignment_expression_no_in(ast[2])
builder.inst_newobj(rd)
builder.inst_typeof(rd, rs)
Registers.free([rs])
return rd
elif ast[1] == '+':
return gen_assignment_expression_no_in(ast[2])
elif ast[1] == '-':
rs = gen_assignment_expression_no_in(ast[2])
rd, rt = Registers.allocate(2)
builder.inst_la(rt, Constants.integer(-1))
builder.inst_mul(rd, rs, rt)
Registers.free([rs, rt])
return rd
elif ast[1] == '~':
rs = gen_assignment_expression_no_in(ast[2])
builder.inst_not(rs, rs)
return rs
elif ast[1] == '!':
rs = gen_assignment_expression_no_in(ast[2])
t1 = Registers.allocate(1)[0]
exit_label = Labels.temp()
true_label = Labels.temp()
builder.inst_newobj(t1)
builder.inst_bnz(rs, true_label)
builder.inst_la(t1, Constants.integer(1))
builder.inst_j(exit_label)
builder.insert_label(true_label)
builder.insert_la(t1, Constants.integer(0))
builder.insert_label(exit_label)
return t1
elif len(ast) == 4:
if ast[2] in ['=', '*=', '/=', '%=', '+=', '-=', '<<=', '>>=', '>>>=', '&=',
'^=', '|=']:
r1 = gen_left_hand_side_expression(ast[1])
elif ast[2] in ['||', '&&', '|', '&', '^', '==', '!=', '===', '!==',
'<', '>', '<=', '>=', '<<', '>>', '>>>', '+', '-', '*',
'/']:
r1 = gen_assignment_expression_no_in(ast[1])
r2 = gen_assignment_expression_no_in(ast[3])
if ast[2] == '+':
rd = Registers.allocate(1)[0]
builder.inst_newobj(rd)
builder.inst_add(rd, r1, r2)
Registers.free([r1, r2])
return rd
elif ast[2] == '-':
rd = Registers.allocate(1)[0]
builder.inst_newobj(rd)
builder.inst_sub(rd, r1, r2)
Registers.free([r1, r2])
return rd
elif ast[2] == '*':
rd = Registers.allocate(1)[0]
builder.inst_newobj(rd)
builder.inst_mul(rd, r1, r2)
Registers.free([r1, r2])
return rd
elif ast[2] == '/':
rd = Registers.allocate(1)[0]
builder.inst_newobj(rd)
builder.inst_div(rd, r1, r2)
Registers.free([r1, r2])
#.........这里部分代码省略.........