Module: FastRuby::CallTranslator

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

Instance Method Summary collapse

Instance Method Details

#to_c_attrasgn(tree) ⇒ Object 



156
157
158
 
# File 'lib/fastruby/translator/modules/call.rb', line 156

def to_c_attrasgn(tree)
  to_c_call(tree)
end

#to_c_call(tree, repass_var = nil) ⇒ Object 



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
 
# File 'lib/fastruby/translator/modules/call.rb', line 26

def to_c_call(tree, repass_var = nil)
  directive_code = directive(tree)
  if directive_code
    return directive_code
  end

  if tree[2] == :require
    tree[2] = :fastruby_require
  elsif tree[2] == :raise
    # raise code
    args = tree[3]
    return _raise(args[1],args[2])
  end
  
  recv = tree[1]
  mname = tree[2]
  args = tree[3]
  
  # search block_pass on arguments
  block_pass_arg = args.find{|arg| if arg == :arglist
        false
      else
      arg[0] == :block_pass
        end} 
  if block_pass_arg
    
    call_tree = tree.dup
    call_tree[3] = args.select{|arg| if arg == :arglist 
        true
        else
          arg[0] != :block_pass
          end
          }
    
    block_arguments_tree = s(:masgn, s(:array, s(:splat, s(:lasgn, :__xblock_arguments))))
    block_tree = s(:call, block_pass_arg[1], :call, s(:arglist, s(:splat, s(:lvar, :__xblock_arguments))))
    
    replace_iter_tree = s(:iter, call_tree, block_arguments_tree, block_tree).to_fastruby_sexp
    
    return to_c(replace_iter_tree)
  end

  mname = :require_fastruby if mname == :require

  argnum = args.size - 1

  recv = recv || s(:self)

  recvtype = infer_type(recv)
  
  if args.size > 1
    if args.last[0] == :splat
      return protected_block(
        inline_block(
        "
        
        VALUE array = #{to_c args.last[1]};
        
        if (TYPE(array) != T_ARRAY) {
          array = rb_ary_new4(1,&array);
        }
        
        int argc = #{args.size-2};
        VALUE argv[#{args.size} + RARRAY(array)->len];
        
        #{
          i = -1
          args[1..-2].map {|arg|
            i = i + 1
            "argv[#{i}] = #{to_c arg}"
          }.join(";\n")
        };
        
        int array_len = RARRAY(array)->len;
        
        int i;
        for (i=0; i<array_len;i++) {
          argv[argc] = rb_ary_entry(array,i);
          argc++; 
        }
        
        return rb_funcall2(#{to_c recv}, #{intern_num tree[2]}, argc, argv);
        "
        ), true, repass_var)
    end
  end

  strargs = args[1..-1].map{|arg| to_c arg}.join(",")

  if recvtype

    address = nil
    mobject = nil

    inference_complete = true
    signature = [recvtype]

    args[1..-1].each do |arg|
      argtype = infer_type(arg)
      signature << argtype
      unless argtype
        inference_complete = false
      end
    end

    if repass_var
      extraargs = ","+repass_var
      extraargs_signature = ",VALUE " + repass_var
    else
      extraargs = ""
      extraargs_signature = ""
    end

      if argnum == 0
        value_cast = "VALUE,VALUE,VALUE"
        "((VALUE(*)(#{value_cast}))#{encode_address(recvtype,signature,mname,tree,inference_complete)})(#{to_c recv}, Qfalse, (VALUE)pframe)"
      else
        value_cast = ( ["VALUE"]*(args.size) ).join(",") + ",VALUE,VALUE"
        "((VALUE(*)(#{value_cast}))#{encode_address(recvtype,signature,mname,tree,inference_complete)})(#{to_c recv}, Qfalse, (VALUE)pframe, #{strargs})"
      end

  else # else recvtype
    if argnum == 0
      protected_block("rb_funcall(#{to_c recv}, #{intern_num tree[2]}, 0)", true, repass_var)
    else
      protected_block("rb_funcall(#{to_c recv}, #{intern_num tree[2]}, #{argnum}, #{strargs} )", true, repass_var)
    end
  end # if recvtype
end