blob: 609bcd3cc864dfca90d5c8aaccc8ec90e15dac17 (
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
|
class Puppet::Parser::AST
# The base class for all of the leaves of the parse trees. These
# basically just have types and values. Both of these parameters
# are simple values, not AST objects.
class Leaf < AST
attr_accessor :value, :type
# Return our value.
def evaluate(hash)
return @value
end
# Print the value in parse tree context.
def tree(indent = 0)
return ((@@indent * indent) + self.typewrap(self.value))
end
def to_s
return @value
end
end
# The boolean class. True or false. Converts the string it receives
# to a Ruby boolean.
class Boolean < AST::Leaf
# Use the parent method, but then convert to a real boolean.
def initialize(hash)
super
unless @value == 'true' or @value == 'false'
raise Puppet::DevError,
"'%s' is not a boolean" % @value
end
if @value == 'true'
@value = true
else
@value = false
end
end
end
# The base string class.
class String < AST::Leaf
# Interpolate the string looking for variables, and then return
# the result.
def evaluate(hash)
return hash[:scope].strinterp(@value)
end
end
# The base string class.
class FlatString < AST::Leaf
# Interpolate the string looking for variables, and then return
# the result.
def evaluate(hash)
return @value
end
end
# The 'default' option on case statements and selectors.
class Default < AST::Leaf; end
# Capitalized words; used mostly for type-defaults, but also
# get returned by the lexer any other time an unquoted capitalized
# word is found.
class Type < AST::Leaf; end
# Lower-case words.
class Name < AST::Leaf; end
# Host names, either fully qualified or just the short name
class HostName < AST::Leaf
def initialize(hash)
super
unless @value =~ %r{^[0-9a-zA-Z\-]+(\.[0-9a-zA-Z\-]+)*$}
raise Puppet::DevError,
"'%s' is not a valid hostname" % @value
end
end
end
# A simple variable. This object is only used during interpolation;
# the VarDef class is used for assignment.
class Variable < Name
# Looks up the value of the object in the scope tree (does
# not include syntactical constructs, like '$' and '{}').
def evaluate(hash)
begin
return hash[:scope].lookupvar(@value)
rescue Puppet::ParseError => except
except.line = self.line
except.file = self.file
raise except
rescue => detail
error = Puppet::DevError.new(detail)
error.line = self.line
error.file = self.file
error.backtrace = detail.backtrace
raise error
end
end
end
end
|
