variable references work!

This commit is contained in:
Jeremy Penner 2011-09-07 08:55:58 -04:00
parent 6213a0f917
commit 0bf142c64e

View file

@ -108,6 +108,10 @@ class Synt(Typeable):
def SyntDefault(cls, syntParent):
return cls(syntParent)
@classmethod
def RgsyntReplace(cls, syntChild, st, rtype):
return []
def ProjectTypeinForChild(self, pwParent, syntChild, st):
def OnSelect(synt, psel):
self.Replace(syntChild, synt)
@ -168,9 +172,7 @@ class SyntDesc(Synt):
return self.rgsynt[isynt]
def set(self, syntNew):
self.Replace(isynt, syntNew)
def delete(self):
self.Replace(isynt, None)
return property(get, set, delete)
return property(get, set)
def Populate(self):
for desce in self.desc:
@ -188,19 +190,32 @@ class SyntDesc(Synt):
def delete():
self.Replace(isynt, None)
return property(get, set, delete)
def RtypeTopForChild(self, syntChild):
isyntChild = self.Isynt(syntChild)
isyntDesce = 0
def DesceChild(self, isyntChild):
isyntDesce = 0;
for desce in self.desc:
if isinstance(desce, tuple):
if isyntDesce == isyntChild:
if isinstance(desce[1], tuple):
return desce[1][0]
return None
return desce
isyntDesce += 1
return None
def RtypeTopForChild(self, syntChild):
isyntChild = self.Isynt(syntChild)
desce = self.DesceChild(isyntChild)
if desce != None and isinstance(desce[1], tuple):
return desce[1][0]
return None
def RgsyntForChild(self, syntChild, st):
isyntChild = self.Isynt(syntChild)
desce = self.DesceChild(isyntChild)
if desce != None:
rtype = None
if isinstance(desce[1], tuple):
rtype = desce[1][1]
return desce[0].RgsyntReplace(syntChild, st, rtype)
return []
def Project(self, pcur):
"adds more horizontal pws to a horizontal pw"
isynt = 0
@ -217,9 +232,14 @@ class SyntDesc(Synt):
class SyntName(Synt):
def Project(self, pcur):
PwTypein(pcur.PwHoriz(self), self.GetStTypein(), self)
PwTypein(pcur.PwHoriz(self), self.St(), self)
def St(self):
return self.GetStTypein()
class SyntExpr(Synt):
@classmethod
def RgsyntReplace(cls, syntChild, st, rtype):
return RtypeAny().RgsyntFromSt(syntChild.syntParent, st)
def Project(self, pcur):
self.syntParent.ProjectTypeinForChild(pcur.PwHoriz(self), self, " ")
@ -274,10 +294,13 @@ class SyntLit(Synt):
Synt.InitPersistent(self, syntParent)
self.value = value
self.rtype = rtype
def StForTypein(self):
return self.rtype.StForSobj(self.value)
def Rtype(self):
return rtype
return self.rtype
def Project(self, pcur):
self.syntParent.ProjectTypeinForChild(pcur.PwHoriz(self), self, self.StForTypein())
@RegStmt
class SyntBlank(SyntDesc):
desc = [[" "]]
@ -289,7 +312,7 @@ class SyntVar(SyntDesc):
expr = SyntDesc.DefProp(1)
@classmethod
def FVarOfType(cls, synt, rtype):
return isinstance(synt, cls) and synt.expr != None and rtype.FOverlap(expr.Rtype())
return isinstance(synt, cls) and synt.expr != None and rtype.FOverlap(synt.expr.Rtype())
class SyntVarRef(Synt):
def __init__(self, syntParent, syntVar = None):
@ -297,7 +320,11 @@ class SyntVarRef(Synt):
self.syntVar = syntVar
def Rtype(self):
return self.syntVar.Rtype()
def StForTypein(self):
return self.syntVar.name.St()
def Project(self, pcur):
self.syntParent.ProjectTypeinForChild(pcur.PwHoriz(self), self, self.StForTypein())
@RegStmt
class SyntIf(SyntDesc):
desc = [["If"], " ", (SyntExpr, (1, RtypeBool)), ", then:", (SyntBlock, None), "or else:", (SyntBlock, None)]