diff options
Diffstat (limited to 'vendor/github.com/robertkrimen/otto/cmpl_evaluate.go')
-rw-r--r-- | vendor/github.com/robertkrimen/otto/cmpl_evaluate.go | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/vendor/github.com/robertkrimen/otto/cmpl_evaluate.go b/vendor/github.com/robertkrimen/otto/cmpl_evaluate.go new file mode 100644 index 000000000..6741bf394 --- /dev/null +++ b/vendor/github.com/robertkrimen/otto/cmpl_evaluate.go @@ -0,0 +1,96 @@ +package otto + +import ( + "strconv" +) + +func (self *_runtime) cmpl_evaluate_nodeProgram(node *_nodeProgram, eval bool) Value { + if !eval { + self.enterGlobalScope() + defer func() { + self.leaveScope() + }() + } + self.cmpl_functionDeclaration(node.functionList) + self.cmpl_variableDeclaration(node.varList) + self.scope.frame.file = node.file + return self.cmpl_evaluate_nodeStatementList(node.body) +} + +func (self *_runtime) cmpl_call_nodeFunction(function *_object, stash *_fnStash, node *_nodeFunctionLiteral, this Value, argumentList []Value) Value { + + indexOfParameterName := make([]string, len(argumentList)) + // function(abc, def, ghi) + // indexOfParameterName[0] = "abc" + // indexOfParameterName[1] = "def" + // indexOfParameterName[2] = "ghi" + // ... + + argumentsFound := false + for index, name := range node.parameterList { + if name == "arguments" { + argumentsFound = true + } + value := Value{} + if index < len(argumentList) { + value = argumentList[index] + indexOfParameterName[index] = name + } + // strict = false + self.scope.lexical.setValue(name, value, false) + } + + if !argumentsFound { + arguments := self.newArgumentsObject(indexOfParameterName, stash, len(argumentList)) + arguments.defineProperty("callee", toValue_object(function), 0101, false) + stash.arguments = arguments + // strict = false + self.scope.lexical.setValue("arguments", toValue_object(arguments), false) + for index, _ := range argumentList { + if index < len(node.parameterList) { + continue + } + indexAsString := strconv.FormatInt(int64(index), 10) + arguments.defineProperty(indexAsString, argumentList[index], 0111, false) + } + } + + self.cmpl_functionDeclaration(node.functionList) + self.cmpl_variableDeclaration(node.varList) + + result := self.cmpl_evaluate_nodeStatement(node.body) + if result.kind == valueResult { + return result + } + + return Value{} +} + +func (self *_runtime) cmpl_functionDeclaration(list []*_nodeFunctionLiteral) { + executionContext := self.scope + eval := executionContext.eval + stash := executionContext.variable + + for _, function := range list { + name := function.name + value := self.cmpl_evaluate_nodeExpression(function) + if !stash.hasBinding(name) { + stash.createBinding(name, eval == true, value) + } else { + // TODO 10.5.5.e + stash.setBinding(name, value, false) // TODO strict + } + } +} + +func (self *_runtime) cmpl_variableDeclaration(list []string) { + executionContext := self.scope + eval := executionContext.eval + stash := executionContext.variable + + for _, name := range list { + if !stash.hasBinding(name) { + stash.createBinding(name, eval == true, Value{}) // TODO strict? + } + } +} |