Class: RBlade::CompilesStatements::CompilesOnce

Inherits:
Object
  • Object
show all
Defined in:
lib/rblade/compiler/statements/compiles_once.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CompilesOnce

Returns a new instance of CompilesOnce.



4
5
6
 
# File 'lib/rblade/compiler/statements/compiles_once.rb', line 4

def initialize
  @once_counter = 0
end

Instance Method Details

#compileEndPrependOnce(args) ⇒ Object 



48
49
50
51
52
53
54
 
# File 'lib/rblade/compiler/statements/compiles_once.rb', line 48

def compileEndPrependOnce args
  unless args.nil?
    raise StandardError.new "End prepend once statement: wrong number of arguments (given #{args.count}, expecting 0)"
  end

  "RBlade::StackManager.prepend(_p1_#{@once_counter}, _out);_out=_p1_#{@once_counter}_b;end;"
end

#compileEndPushOnce(args) ⇒ Object 



29
30
31
32
33
34
35
 
# File 'lib/rblade/compiler/statements/compiles_once.rb', line 29

def compileEndPushOnce args
  unless args.nil?
    raise StandardError.new "End push once statement: wrong number of arguments (given #{args.count}, expecting 0)"
  end

  "RBlade::StackManager.push(_p1_#{@once_counter}, _out);_out=_p1_#{@once_counter}_b;end;"
end

#compileOnce(args) ⇒ Object 



8
9
10
11
12
13
14
15
16
 
# File 'lib/rblade/compiler/statements/compiles_once.rb', line 8

def compileOnce args
  if args&.count&.> 1
    raise StandardError.new "Once statement: wrong number of arguments (given #{args.count}, expecting 0 or 1)"
  end

  once_id = args.nil? ? ":_#{@once_counter += 1}" : args[0]

  "unless $_once_tokens.include? #{once_id};$_once_tokens<<#{once_id};"
end

#compilePrependOnce(args) ⇒ Object 



37
38
39
40
41
42
43
44
45
46
 
# File 'lib/rblade/compiler/statements/compiles_once.rb', line 37

def compilePrependOnce args
  if args&.count != 1 && args&.count != 2
    raise StandardError.new "Prepend once statement: wrong number of arguments (given #{args&.count || 0}, expecting 1 or 2)"
  end
  @once_counter += 1
  once_id = args[1].nil? ? ":_#{@once_counter}" : args[1]

  "unless $_once_tokens.include? #{once_id};$_once_tokens<<#{once_id};" \
    << "_p1_#{@once_counter}=#{args[0]};_p1_#{@once_counter}_b=_out;_out='';"
end

#compilePushOnce(args) ⇒ Object 



18
19
20
21
22
23
24
25
26
27
 
# File 'lib/rblade/compiler/statements/compiles_once.rb', line 18

def compilePushOnce args
  if args&.count != 1 && args&.count != 2
    raise StandardError.new "Push once statement: wrong number of arguments (given #{args&.count || 0}, expecting 1 or 2)"
  end
  @once_counter += 1
  once_id = args[1].nil? ? ":_#{@once_counter}" : args[1]

  "unless $_once_tokens.include? #{once_id};$_once_tokens<<#{once_id};" \
    << "_p1_#{@once_counter}=#{args[0]};_p1_#{@once_counter}_b=_out;_out='';"
end