def compile(self, token, options = cssparser.CSSOptions()):
if token.isRuleSet():
self.pushScope()
if token.isAtRule():
self.compileAtRule(token, options)
if token.parent == None: # the token could have been removed
return
i = 0
while i < len(token.children):
child = token.children[i]
if child.parent == None:
raise SCSSCompileError("Child is looking for its parents, please report at the tent next to the main stage", child)
self.compile(child, options)
if child.parent: # the token could have been removed
i += 1
if token.isAnyToken():
self.compileAny(token)
elif token.isValue():
self.compileValue(token)
elif token.isDeclaration():
self.compileDeclaration(token)
elif token.isAssignment():
SCSSExpression.processAssignment(token, self.getCurrentScope())
elif token.isRuleSet():
self.compileRuleSet(token)
self.popScope()
elif token.isAtRule() and token.getKeyWord() == "extend":
self.processExtend(token)
elif token.isAtRule() and token.getKeyWord() == "media":
self.processMediaQuery(token)
def compile(self, token, options=cssparser.CSSOptions()):
if token.isRuleSet():
self.pushScope()
if token.isAtRule():
self.compileAtRule(token, options)
if token.parent == None: # the token could have been removed
return
i = 0
while i < len(token.children):
child = token.children[i]
if child.parent == None:
raise SCSSCompileError(
"Child is looking for its parents, please report at the tent next to the main stage",
child)
self.compile(child, options)
if child.parent: # the token could have been removed
i += 1
if token.isAnyToken():
self.compileAny(token)
elif token.isValue():
self.compileValue(token)
elif token.isDeclaration():
self.compileDeclaration(token)
elif token.isAssignment():
SCSSExpression.processAssignment(token, self.getCurrentScope())
elif token.isRuleSet():
self.compileRuleSet(token)
self.popScope()
elif token.isAtRule() and token.getKeyWord() == "extend":
self.processExtend(token)
def tokensToValue(self, tokens, scope):
if not tokens or len(tokens) == 0:
return None
expression = SCSSExpression(tokens)
expression.evaluate(scope)
if not expression.tokens or len(expression.tokens) == 0:
raise SCSSCompileError("Expression, expression, why did you eat my tokens?", tokens[0])
elif len(expression.tokens) == 1:
return scssvariables.SCSSVariable.fromToken(expression.tokens[0])
else:
return scssvariables.SCSSList.fromTokens(expression.tokens)
def evaluate(self, callerScope, arguments = None):
try:
scope = self.scope.clone()
if arguments:
self.mapArguments(arguments, callerScope, scope)
for token in self.body:
if token.isAssignment():
SCSSExpression.processAssignment(token, scope)
elif token.isAtRule() and token.getKeyWord() == "return":
expression = SCSSExpression(token.getSignature())
expression.evaluate(scope)
if len(expression.tokens) == 0:
raise SCSSRunTimeError("Could not evaluate return statement of function %s" % self.name)
elif len(expression.tokens) == 1:
return scssvariables.SCSSVariable.fromToken(expression.tokens[0])
else:
return scssvariables.SCSSList.fromTokens(expression.tokens)
else:
raise SCSSRunTimeError("Unexpected token in function %s" % self.name, token)
raise SCSSRunTimeError("Function %s does not return a value" % self.name)
except Exception, exception:
raise SCSSRunTimeError(str(exception) + "\n In call to function " + self.name)
def compileAny(self, token):
if ((token.isString() or token.isIdentifier()) and
token.data.find("#{") > -1):
token.replaceWith(SCSSExpression.processInterpolation(token, self.getCurrentScope()))
def compileValue(self, token):
expression = SCSSExpression.fromToken(token)
tokens = expression.evaluate(self.getCurrentScope())
if tokens:
token.setChildren(tokens)
def compileAny(self, token):
if ((token.isString() or token.isIdentifier())
and token.data.find("#{") > -1):
token.replaceWith(
SCSSExpression.processInterpolation(token,
self.getCurrentScope()))
def compileValue(self, token):
expression = SCSSExpression.fromToken(token)
tokens = expression.evaluate(self.getCurrentScope())
if tokens:
token.setChildren(tokens)
