summaryrefslogtreecommitdiff
path: root/pkgtools/pkglint/files/mkshtypes.go
blob: 5bee1c276c9875c48514198ed00d4d1a857ce3ff (plain)
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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
package main

import "fmt"

type MkShList struct {
	AndOrs     []*MkShAndOr
	Separators []MkShSeparator
}

func NewMkShList() *MkShList {
	return &MkShList{nil, nil}
}

func (list *MkShList) AddAndOr(andor *MkShAndOr) *MkShList {
	list.AndOrs = append(list.AndOrs, andor)
	return list
}

func (list *MkShList) AddSeparator(separator MkShSeparator) *MkShList {
	list.Separators = append(list.Separators, separator)
	return list
}

type MkShAndOr struct {
	Pipes []*MkShPipeline
	Ops   []string // Either "&&" or "||"
}

func NewMkShAndOr(pipeline *MkShPipeline) *MkShAndOr {
	return &MkShAndOr{[]*MkShPipeline{pipeline}, nil}
}

func (andor *MkShAndOr) Add(op string, pipeline *MkShPipeline) *MkShAndOr {
	andor.Pipes = append(andor.Pipes, pipeline)
	andor.Ops = append(andor.Ops, op)
	return andor
}

type MkShPipeline struct {
	Negated bool
	Cmds    []*MkShCommand
}

func NewMkShPipeline(negated bool, cmds ...*MkShCommand) *MkShPipeline {
	return &MkShPipeline{negated, cmds}
}

func (pipe *MkShPipeline) Add(cmd *MkShCommand) *MkShPipeline {
	pipe.Cmds = append(pipe.Cmds, cmd)
	return pipe
}

type MkShCommand struct {
	Simple    *MkShSimpleCommand
	Compound  *MkShCompoundCommand
	FuncDef   *MkShFunctionDefinition
	Redirects []*MkShRedirection // For Compound and FuncDef
}

type MkShCompoundCommand struct {
	Brace    *MkShList
	Subshell *MkShList
	For      *MkShForClause
	Case     *MkShCaseClause
	If       *MkShIfClause
	Loop     *MkShLoopClause
}

type MkShForClause struct {
	Varname string
	Values  []*ShToken
	Body    *MkShList
}

type MkShCaseClause struct {
	Word  *ShToken
	Cases []*MkShCaseItem
}

type MkShCaseItem struct {
	Patterns  []*ShToken
	Action    *MkShList
	Separator MkShSeparator
}

type MkShIfClause struct {
	Conds   []*MkShList
	Actions []*MkShList
	Else    *MkShList
}

func (cl *MkShIfClause) Prepend(cond *MkShList, action *MkShList) {
	cl.Conds = append([]*MkShList{cond}, cl.Conds...)
	cl.Actions = append([]*MkShList{action}, cl.Actions...)
}

type MkShLoopClause struct {
	Cond   *MkShList
	Action *MkShList
	Until  bool
}

type MkShFunctionDefinition struct {
	Name string
	Body *MkShCompoundCommand
}

type MkShSimpleCommand struct {
	Assignments  []*ShToken
	Name         *ShToken
	Args         []*ShToken
	Redirections []*MkShRedirection
}

func NewStrCommand(cmd *MkShSimpleCommand) *StrCommand {
	strcmd := &StrCommand{
		make([]string, len(cmd.Assignments)),
		"",
		make([]string, len(cmd.Args))}
	for i, assignment := range cmd.Assignments {
		strcmd.Assignments[i] = assignment.MkText
	}
	if cmd.Name != nil {
		strcmd.Name = cmd.Name.MkText
	}
	for i, arg := range cmd.Args {
		strcmd.Args[i] = arg.MkText
	}
	return strcmd
}

type StrCommand struct {
	Assignments []string
	Name        string
	Args        []string
}

func (c *StrCommand) HasOption(opt string) bool {
	for _, arg := range c.Args {
		if arg == opt {
			return true
		}
	}
	return false
}

func (c *StrCommand) AnyArgMatches(pattern RegexPattern) bool {
	for _, arg := range c.Args {
		if matches(arg, pattern) {
			return true
		}
	}
	return false
}

func (c *StrCommand) String() string {
	return fmt.Sprintf("%v %v %v", c.Assignments, c.Name, c.Args)
}

type MkShRedirection struct {
	Fd     int // Or -1
	Op     string
	Target *ShToken
}

type MkShSeparator uint8

const (
	sepNone       MkShSeparator = iota
	sepSemicolon                // ;
	sepBackground               // &
	sepNewline                  // \n
)