Golang Token.Type方法代码示例

func (self *jsbeautifier) handle_token(t *tokenizer.Token) {

	newlines := t.NewLines()
	keep_whitespace := self.options["keep_array_indentation"].(bool) && self.is_array(self.flags.mode)

	if keep_whitespace {
		for i := 0; i < newlines; i++ {
			self.print_newline(i > 0, false)
		}
	} else {
		if self.options["max_preserve_newlines"].(int) != 0 && newlines > self.options["max_preserve_newlines"].(int) {
			newlines = self.options["max_preserve_newlines"].(int)
		}
		if self.options["preserve_newlines"].(bool) && newlines > 1 {
			self.print_newline(false, false)
			for i := 1; i < newlines; i++ {
				self.print_newline(true, false)

			}
		}
	}

	handlers[t.Type()](self, t)

}

func (self *jsbeautifier) parse_token(t tokenizer.Token) {
	for _, comment_token := range t.CommentsBefore() {
		self.handle_token(&comment_token)
	}
	self.handle_token(&t)

	self.last_last_text = self.flags.last_text
	self.last_type = t.Type()
	self.flags.last_text = t.Text()
	self.token_pos++
}

func (self *jsbeautifier) start_of_statement(current_token tokenizer.Token) bool {

	if (self.last_type == "TK_RESERVED" && utils.InStrArray(self.flags.last_text, []string{"var", "let", "const"}) && current_token.Type() == "TK_WORD") || (self.last_type == "TK_RESERVED" && self.flags.last_text == "do") || (self.last_type == "TK_RESERVED" && self.flags.last_text == "return" && !current_token.WantedNewLine()) || (self.last_type == "TK_RESERVED" && self.flags.last_text == "else" && !(current_token.Type() == "TK_RESERVED" && current_token.Text() == "if")) || (self.last_type == "TK_END_EXPR" && (self.previous_flags.mode == ForInitializer || self.previous_flags.mode == Conditional)) || (self.last_type == "TK_WORD" && self.flags.mode == BlockStatement && !self.flags.in_case && !(current_token.Text() == "--" || current_token.Text() == "++") && current_token.Type() != "TK_WORD" && current_token.Type() != "TK_RESERVED") || (self.flags.mode == ObjectLiteral && ((self.flags.last_text == ":" && self.flags.ternary_depth == 0) || (self.last_type == "TK_RESERVED" && utils.InStrArray(self.flags.last_text, []string{"get", "set"})))) {

		self.set_mode(Statement)
		self.indent()
		if self.last_type == "TK_RESERVED" && utils.InStrArray(self.flags.last_text, []string{"var", "let", "const"}) && current_token.Type() == "TK_WORD" {
			self.flags.declaration_statement = true
		}

		if !self.start_of_object_property() {
			self.allow_wrap_or_preserved_newline(current_token, (current_token.Type() == "TK_RESERVED" && utils.InStrArray(current_token.Text(), []string{"do", "for", "if", "while"})))
		}

		return true
	} else {
		return false
	}
}

func (self *jsbeautifier) handle_word(current_token *tokenizer.Token) {

	if current_token.Type() == "TK_RESERVED" && self.flags.mode != ObjectLiteral && (current_token.Text() == "set" || current_token.Text() == "get") {
		current_token.SetType("TK_WORD")
	}

	if current_token.Type() == "TK_RESERVED" && self.flags.mode == ObjectLiteral {
		next_token, _ := self.get_token()
		if next_token.Text() == ":" {
			current_token.SetType("TK_WORD")
		}
	}

	if self.start_of_statement(*current_token) {
	} else if current_token.WantedNewLine() && !self.is_expression(self.flags.mode) && (self.last_type != "TK_OPERATOR" || (self.flags.last_text == "--" || self.flags.last_text == "++")) && self.last_type != "TK_EQUALS" && (self.options["preserve_newlines"].(bool) || !(self.last_type == "TK_RESERVED" && utils.InStrArray(self.flags.last_text, []string{"var", "let", "const", "set", "get"}))) {
		self.print_newline(false, false)
	}

	if self.flags.do_block && !self.flags.do_while {
		if current_token.Type() == "TK_RESERVED" && current_token.Text() == "while" {
			self.output.space_before_token = true
			self.print_token(*current_token, "")
			self.output.space_before_token = true
			self.flags.do_while = true
			return
		} else {
			self.print_newline(false, false)
			self.flags.do_block = false
		}
	}

	if self.flags.if_block {
		if (!self.flags.else_block) && (current_token.Type() == "TK_RESERVED" && current_token.Text() == "else") {
			self.flags.else_block = true
		} else {
			for self.flags.mode == Statement {
				self.restore_mode()
			}
			self.flags.if_block = false
		}
	}

	if current_token.Type() == "TK_RESERVED" && (current_token.Text() == "case" || (current_token.Text() == "default" && self.flags.in_case_statement)) {
		self.print_newline(false, false)

		if self.flags.case_body || self.options["jslint_happy"].(bool) {
			self.flags.case_body = false
			self.deindent()
		}

		self.print_token(*current_token, "")
		self.flags.in_case = true
		self.flags.in_case_statement = true
		return
	}

	if current_token.Type() == "TK_RESERVED" && current_token.Text() == "function" {

		if (self.flags.last_text == "}" || self.flags.last_text == ";") || (self.output.just_added_newline() && !utils.InStrArray(self.flags.last_text, []string{"[", "{", ":", "=", ","})) {
			if !self.output.just_added_blankline() && len(current_token.CommentsBefore()) == 0 {
				self.print_newline(false, false)
				self.print_newline(true, false)
			}
		}

		if self.last_type == "TK_RESERVED" || self.last_type == "TK_WORD" {
			if self.last_type == "TK_RESERVED" && utils.InStrArray(self.flags.last_text, []string{"get", "set", "new", "return", "export"}) {
				self.output.space_before_token = true
			} else if self.last_type == "TK_RESERVED" && self.flags.last_text == "default" && self.last_last_text == "export" {
				self.output.space_before_token = true
			} else {
				self.print_newline(false, false)
			}
		} else if self.last_type == "TK_OPERATOR" || self.flags.last_text == "=" {
			self.output.space_before_token = true
		} else if !self.flags.multiline_frame && (self.is_expression(self.flags.mode) || self.is_array(self.flags.mode)) {

		} else {
			self.print_newline(false, false)
		}
	}

	if utils.InStrArray(self.last_type, []string{"TK_COMMA", "TK_START_EXPR", "TK_EQUALS", "TK_OPERATOR"}) {

		if !self.start_of_object_property() {
			self.allow_wrap_or_preserved_newline(*current_token, false)
		}
	}

	if current_token.Type() == "TK_RESERVED" && utils.InStrArray(current_token.Text(), []string{"function", "get", "set"}) {
		self.print_token(*current_token, "")
		self.flags.last_word = current_token.Text()
		return
	}

	prefix := "NONE"
	if self.last_type == "TK_END_BLOCK" {
		if !(current_token.Type() == "TK_RESERVED" && utils.InStrArray(current_token.Text(), []string{"else", "catch", "finally"})) {
			prefix = "NEWLINE"
		} else {
//.........这里部分代码省略.........