Module: FastRuby::LiteralTranslator

Defined in:
lib/fastruby/translator/modules/literal.rb

Instance Method Summary collapse

Instance Method Details

#to_c_array(tree, result_var = nil) ⇒ Object 



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
 
# File 'lib/fastruby/translator/modules/literal.rb', line 81

def to_c_array(tree, result_var = nil)
  if tree.size > 1
    if result_var
      prefix = "_array_element_" + rand(10000000).to_s + "_"
      "
      {
        #{ 
          (0..tree.size-2).map{|x|
            "VALUE #{prefix}#{x};"
          }.join("\n");
        }
        
        #{
          (0..tree.size-2).map{|x|
            to_c(tree[x+1], prefix+x.to_s)
          }.join("\n");
        }
        
        #{result_var} = rb_ary_new3(#{tree.size-1}, #{(0..tree.size-2).map{|x| prefix+x.to_s}.join(",")} );
      }
      "
    else
      strargs = tree[1..-1].map{|subtree| to_c subtree}.join(",")
      "rb_ary_new3(#{tree.size-1}, #{strargs})"
    end
  else
    if result_var
    "#{result_var} = rb_ary_new3(0);"
    else
    "rb_ary_new3(0)"
    end
  end
end

#to_c_dot2(tree, result_var = nil) ⇒ Object 



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
 
# File 'lib/fastruby/translator/modules/literal.rb', line 127

def to_c_dot2(tree, result_var = nil)
  
  begin_var = "_begin"+rand(10000000).to_s
  end_var = "_end"+rand(10000000).to_s
  
  if result_var
    "
    {
      VALUE #{begin_var} = Qnil;
      VALUE #{end_var} = Qnil;
      
      #{to_c tree[1], begin_var};
      #{to_c tree[2], end_var};
      
      #{result_var} = rb_range_new(#{begin_var}, #{end_var},0);
    }
    "
  else
    if result_var
    "
      {
      VALUE #{begin_var} = Qnil;
      VALUE #{end_var} = Qnil;
      #{to_c tree[1], begin_var};
      #{to_c tree[2], end_var};
      
      #{result_var} = rb_range_new(#{begin_var}, #{end_var},0)
      }
    "
    else
    "rb_range_new(#{to_c tree[1]}, #{to_c tree[2]},0)"
    end
  end
end

#to_c_false(tree) ⇒ Object 



119
120
121
 
# File 'lib/fastruby/translator/modules/literal.rb', line 119

def to_c_false(tree)
  "Qfalse"
end

#to_c_hash(tree, result_var = nil) ⇒ Object 



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
 
# File 'lib/fastruby/translator/modules/literal.rb', line 37

def to_c_hash(tree, result_var = nil)
  
  hash_tmp_var = "_hash_"+rand(1000000).to_s
  key_tmp_var = "_key_"+rand(1000000).to_s
  value_tmp_var = "_value_"+rand(1000000).to_s

  hash_aset_code = ""
  (0..(tree.size-3)/2).each do |i|
    strkey = to_c tree[1 + i * 2]
    strvalue = to_c tree[2 + i * 2]
    hash_aset_code << "
      {
        VALUE #{key_tmp_var} = Qnil;
        VALUE #{value_tmp_var} = Qnil;
        
        #{to_c tree[1 + i * 2], key_tmp_var};
        #{to_c tree[2 + i * 2], value_tmp_var};
        
        rb_hash_aset(#{hash_tmp_var}, #{key_tmp_var}, #{value_tmp_var});
      }
    "
  end
  
    code = "
      {
      VALUE #{hash_tmp_var} = rb_hash_new();
      #{hash_aset_code};
      #{
      if result_var
        "#{result_var} = #{hash_tmp_var}"
      else
        "return #{hash_tmp_var}"
      end
      };
      }
    "
    
  if result_var
    code
  else
    inline_block code
  end
end

#to_c_lit(tree) ⇒ Object 



25
26
27
 
# File 'lib/fastruby/translator/modules/literal.rb', line 25

def to_c_lit(tree)
  literal_value tree[1]
end

#to_c_nil(tree) ⇒ Object 



29
30
31
 
# File 'lib/fastruby/translator/modules/literal.rb', line 29

def to_c_nil(tree)
  "Qnil"
end

#to_c_self(tree) ⇒ Object 



115
116
117
 
# File 'lib/fastruby/translator/modules/literal.rb', line 115

def to_c_self(tree)
  locals_accessor + "self"
end

#to_c_str(tree) ⇒ Object 



33
34
35
 
# File 'lib/fastruby/translator/modules/literal.rb', line 33

def to_c_str(tree)
  literal_value tree[1]
end

#to_c_true(tree) ⇒ Object 



123
124
125
 
# File 'lib/fastruby/translator/modules/literal.rb', line 123

def to_c_true(tree)
  "Qtrue"
end