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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package expressions
type T struct {
x, y, z int;
}
var (
a, b, c, d, e int;
under_bar int;
longIdentifier1, longIdentifier2, longIdentifier3 int;
t0, t1, t2 T;
s string;
p *int;
)
func _() {
// no spaces around simple or parenthesized expressions
_ = a+b;
_ = a+b+c;
_ = a+b-c;
_ = a-b-c;
_ = a+(b*c);
_ = a+(b/c);
_ = a-(b%c);
_ = 1+a;
_ = a+1;
_ = a+b+1;
_ = s[1:2];
_ = s[a:b];
_ = s[0:len(s)];
_ = s[0]<<1;
_ = (s[0]<<1)&0xf;
_ = s[0]<<2 | s[1]>>4;
_ = "foo"+s;
_ = s+"foo";
_ = 'a'+'b';
_ = len(s)/2;
_ = len(t0.x)/a;
// spaces around expressions of different precedence or expressions containing spaces
_ = a + -b;
_ = a - ^b;
_ = a / *p;
_ = a + b*c;
_ = 1 + b*c;
_ = a + 2*c;
_ = a + c*2;
_ = 1 + 2*3;
_ = s[1 : 2*3];
_ = s[a : b-c];
_ = s[a+b : len(s)];
_ = s[len(s) : -a];
_ = s[a : len(s)+1];
_ = s[a : len(s)+1]+s;
// spaces around operators with equal or lower precedence than comparisons
_ = a == b;
_ = a != b;
_ = a > b;
_ = a >= b;
_ = a < b;
_ = a <= b;
_ = a < b && c > d;
_ = a < b || c > d;
// spaces around "long" operands
_ = a + longIdentifier1;
_ = longIdentifier1 + a;
_ = longIdentifier1 + longIdentifier2 * longIdentifier3;
_ = s + "a longer string";
// some selected cases
_ = a + t0.x;
_ = a + t0.x + t1.x * t2.x;
_ = a + b + c + d + e + 2*3;
_ = a + b + c + 2*3 + d + e;
_ = (a+b+c)*2;
_ = a - b + c - d + (a+b+c) + d&e;
_ = under_bar - 1;
_ = Open(dpath+"/file", O_WRONLY|O_CREAT, 0666);
_ = int(c0&_Mask4)<<18 | int(c1&_Maskx)<<12 | int(c2&_Maskx)<<6 | int(c3&_Maskx);
}
func _() {
_ = T{};
_ = struct{}{};
_ = [10]T{};
_ = [...]T{};
_ = []T{};
_ = map[int]T{};
_ = (T){};
_ = (struct{}){};
_ = ([10]T){};
_ = ([...]T){};
_ = ([]T){};
_ = (map[int]T){};
}
func _() {
// do not modify literals
_ = "tab1 tab2 tab3 end"; // string contains 3 tabs
_ = "tab1 tab2 tab3 end"; // same string with 3 blanks - may be unaligned because editors see tabs in strings
_ = ""; // this comment should be aligned with the one on the previous line
_ = ``;
_ = `
`;
_ = `foo
bar`;
}
func _() {
// not not add extra indentation to multi-line string lists
_ = "foo" "bar";
_ = "foo"
"bar"
"bah";
_ = []string{
"abc"
"def",
"foo"
"bar",
};
}
func _() {
// respect source lines in multi-line expressions
_ = a +
b +
c;
_ = a < b ||
b < a;
_ = "1234567890"
"1234567890";
// this comment should be indented
}
func same(t, u *Time) bool {
// respect source lines in multi-line expressions
return t.Year == u.Year &&
t.Month == u.Month &&
t.Day == u.Day &&
t.Hour == u.Hour &&
t.Minute == u.Minute &&
t.Second == u.Second &&
t.Weekday == u.Weekday &&
t.ZoneOffset == u.ZoneOffset &&
t.Zone == u.Zone;
}
func (p *parser) charClass() {
// respect source lines in multi-line expressions
if cc.negate && len(cc.ranges) == 2 &&
cc.ranges[0] == '\n' && cc.ranges[1] == '\n' {
nl := new(_NotNl);
p.re.add(nl);
}
}
func addState(s []state, inst instr, match []int) {
// handle comments correctly in multi-line expressions
for i := 0; i < l; i++ {
if s[i].inst.index() == index && // same instruction
s[i].match[0] < pos { // earlier match already going; leftmost wins
return s;
}
}
}
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