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gnucap:user:details_of_geda_plugin [2012/08/22 08:46] savy2020 Added : technical details of parsing |
gnucap:user:details_of_geda_plugin [2015/12/11 15:39] (current) |
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| =====Introduction===== | =====Introduction===== | ||
| - | The plugin for parsing and printing schematic files in the gEDA/gschem format is at <sup>[1]</sup> [[https://github.com/savvy2020/gnucap/tree/lang_gschem/|Github branch]]. \\ | + | The plugin for parsing and printing schematic files in the gEDA/gschem format is at <sup>[1]</sup> [[https://github.com/sksavant/gnucap/tree/lang_gschem/|Github branch]]. \\ |
| - | Get it by cloning the git repo : //git clone git@github.com:savvy2020/gnucap.git --branch lang_gschem// | + | Get it by cloning the git repo : //git clone git@github.sksavant/gnucap.git --branch lang_gschem// |
| - | or get this zip file : [[https://github.com/savvy2020/gnucap/zipball/lang_gschem|zipfile]] | + | or get this zip file : [[https://github.com/sksavant/gnucap/zipball/lang_gschem|zipfile]] |
| \\ \\ | \\ \\ | ||
| - | If you already have latest snapshot of gnucap installed you just need to get the following files: '//src/lang_gschem.cc//', '//src/d_net.cc//', '//src/d_place.cc//'. Also some [[https://github.com/savvy2020/gnucap/compare/al...lang_gschem#diff-53|change]] is need in lang_verilog.cc to print verilog code correctly. | + | If you already have latest snapshot of gnucap installed you just need to get the following files: '//src/lang_gschem.cc//', '//src/d_net.cc//', '//src/d_place.cc//'. Also some [[https://github.com/sksavant/gnucap/compare/al...lang_gschem#diff-53|change]] is need in lang_verilog.cc to print verilog code correctly. |
| Some examples are present in '//geda/examples/ //' | Some examples are present in '//geda/examples/ //' | ||
| \\ \\ | \\ \\ | ||
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| =====How parsing works in lang_geda===== | =====How parsing works in lang_geda===== | ||
| - | When the command 'gschem' is given, [[http://savvy2020.github.com/gnucap/d0/d46/classanonymous__namespace_02lang__geda_8cc_03_1_1_c_m_d___g_s_c_h_e_m.html#a3a2cad7bedd3a820604937467e020369|CMD_GSCHEM::do_it]] is called. | + | When the command 'gschem' is given, [[http://sksavant.github.com/gnucap/d0/d46/classanonymous__namespace_02lang__geda_8cc_03_1_1_c_m_d___g_s_c_h_e_m.html#a3a2cad7bedd3a820604937467e020369|CMD_GSCHEM::do_it]] is called. |
| - | After setting the language to gschem, [[http://savvy2020.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#a164f7c8baeadf6b7acfca754153a45b5|parse_top_item]] is called, which will call [[http://savvy2020.github.com/gnucap/d8/d92/class_l_a_n_g_u_a_g_e.html#a1ecab49c51a0f6d914170c04edb420a8|new__instance]] after getting a line from the command stream. \\ | + | After setting the language to gschem, [[http://sksavant.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#a164f7c8baeadf6b7acfca754153a45b5|parse_top_item]] is called, which will call [[http://sksavant.github.com/gnucap/d8/d92/class_l_a_n_g_u_a_g_e.html#a1ecab49c51a0f6d914170c04edb420a8|new__instance]] after getting a line from the command stream. \\ |
| - | Now depending on the type of the line parsed, which is found from [[http://savvy2020.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#af6b409e3eb2cf7d30080fbb989e0989d|find_type_in_string]], corresponding parse_.. function is called. | + | Now depending on the type of the line parsed, which is found from [[http://sksavant.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#af6b409e3eb2cf7d30080fbb989e0989d|find_type_in_string]], corresponding parse_.. function is called. |
| - | If a //command// or //dev_comment// is got, [[http://savvy2020.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#a6c16c20ae8bb07669183e0a3a6c87da8|parse_command]] or [[http://savvy2020.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#a23093bf34decc6675ef6b917829c491c|parse_comment]] is called respectively. \\ \\ | + | If a //command// or //dev_comment// is got, [[http://sksavant.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#a6c16c20ae8bb07669183e0a3a6c87da8|parse_command]] or [[http://sksavant.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#a23093bf34decc6675ef6b917829c491c|parse_comment]] is called respectively. \\ \\ |
| - | If component is found, then [[http://savvy2020.github.com/gnucap/d2/d22/classanonymous__namespace_02lang__geda_8cc_03_1_1_c_m_d___c.html#a7c6d49a0e81fde05d6f402ac895596f5|CMD_C::do_it]] is called, which | + | If component is found, then [[http://sksavant.github.com/gnucap/d2/d22/classanonymous__namespace_02lang__geda_8cc_03_1_1_c_m_d___c.html#a7c6d49a0e81fde05d6f402ac895596f5|CMD_C::do_it]] is called, which |
| * creates a new empty placeholder model (MODEL_SUBCKT) | * creates a new empty placeholder model (MODEL_SUBCKT) | ||
| - | * calls [[http://savvy2020.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#abb190d7c72473be3e72c16323673e73e|parse_componmod]] which will | + | * calls [[http://sksavant.github.com/gnucap/d8/df9/classanonymous__namespace_02lang__geda_8cc_03_1_1_l_a_n_g___g_e_d_a.html#abb190d7c72473be3e72c16323673e73e|parse_componmod]] which will |
| * get the symbol file name | * get the symbol file name | ||
| * parse the symbol file and set the ports by name | * parse the symbol file and set the ports by name | ||