164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
# File 'lib/packcr/generated/node/quantity_node.rb', line 164
def get_one_code(gen, onfail, indent, unwrap, oncut)
case gen.lang
when :c
erbout = +""
r = expr.reachability
if r == Packcr::CODE_REACH__ALWAYS_SUCCEED
erbout << "#{gen.generate_code(expr, nil, 0, true)}".freeze
else
erbout << "{\n".freeze
l = gen.next_label
erbout << " const size_t p = ctx->position_offset;\n".freeze
if gen.location
erbout << " const packcr_location_t p_loc = ctx->position_offset_loc;\n".freeze
end
erbout << " const size_t n = chunk->thunks.len;\n#{gen.generate_code(expr, l, 4, false)}".freeze
m = gen.next_label
erbout << " goto L#{format("%04d", m)};\nL#{format("%04d", l)}:;\n".freeze
if gen.location
erbout << " ctx->position_offset_loc = p_loc;\n".freeze
end
erbout << " ctx->position_offset = p;\n packcr_thunk_array__revert(ctx->auxil, &chunk->thunks, n);\nL#{format("%04d", m)}:;\n}\n".freeze
end
erbout
when :rb
erbout = +""
r = expr.reachability
if r == Packcr::CODE_REACH__ALWAYS_SUCCEED
erbout << "#{gen.generate_code(expr, nil, 0, true)}".freeze
else
l = gen.next_label
erbout << "pos#{gen.level} = @position_offset\n".freeze
if gen.location
erbout << "p_loc#{gen.level} = @position_offset_loc\n".freeze
end
erbout << "n#{gen.level} = answer.thunks.length\n".freeze
m = gen.next_label
erbout << "catch(#{m}) do\n catch(#{l}) do\n#{gen.generate_code(expr, l, 4, false)} throw(#{m})\n end\n".freeze
if gen.location
erbout << " @position_offset_loc = p_loc#{gen.level}\n".freeze
end
erbout << " @position_offset = pos#{gen.level}\n answer.thunks[n#{gen.level}..-1] = []\nend\n".freeze
end
erbout
else
raise "unknown lang #{gen.lang}"
end
end
|