forked from elliotchance/c2go
-
Notifications
You must be signed in to change notification settings - Fork 0
/
unary_operator.go
67 lines (55 loc) · 1.39 KB
/
unary_operator.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
package main
import "fmt"
type UnaryOperator struct {
Address string
Position string
Type string
IsLvalue bool
IsPrefix bool
Operator string
Children []interface{}
}
func parseUnaryOperator(line string) *UnaryOperator {
groups := groupsFromRegex(
`<(?P<position>.*)>
'(?P<type>.*?)'
(?P<lvalue> lvalue)?
(?P<prefix> prefix)?
(?P<postfix> postfix)?
'(?P<operator>.*?)'`,
line,
)
return &UnaryOperator{
Address: groups["address"],
Position: groups["position"],
Type: groups["type"],
IsLvalue: len(groups["lvalue"]) > 0,
IsPrefix: len(groups["prefix"]) > 0,
Operator: groups["operator"],
Children: []interface{}{},
}
}
func (n *UnaryOperator) Render() []string {
operator := n.Operator
expr := renderExpression(n.Children[0])
if operator == "!" {
if expr[1] == "bool" {
return []string{fmt.Sprintf("!(%s)", expr[0]), expr[1]}
}
addImport("github.com/elliotchance/c2go/noarch")
return []string{fmt.Sprintf("%s(%s)", fmt.Sprintf("noarch.Not%s", ucfirst(expr[1])), expr[0]), expr[1]}
}
if operator == "*" {
if expr[1] == "const char *" {
return []string{fmt.Sprintf("%s[0]", expr[0]), "char"}
}
return []string{fmt.Sprintf("*%s", expr[0]), "int"}
}
if operator == "++" {
return []string{fmt.Sprintf("%s += 1", expr[0]), expr[1]}
}
if operator == "~" {
operator = "^"
}
return []string{fmt.Sprintf("%s%s", operator, expr[0]), expr[1]}
}