passing the command line parameters to the application

4coder_types.h

@@ -57,7 +57,7 @@ ENUM(uint64_t, Command_ID){
     cmdid_redo,
     /* DOC(cmdid_history_backward performs a step backwards through the file history, which includes previously lost redo branches.) */
     cmdid_history_backward,
-    /* DOC(cmdid_history_forward unperforms the previous cmdid_history_backward step if possib.e) */
+    /* DOC(cmdid_history_forward unperforms the previous cmdid_history_backward step if possible.) */
     cmdid_history_forward,
     
     /* DOC(cmdid_interactive_new begins an interactive dialogue to create a new buffer.) */

4cpp_lexer.h

@@ -1034,7 +1034,7 @@ DOC_SEE(Cpp_Lex_Data)
 
 FCPP_LINK Cpp_Lex_Data
 cpp_lex_data_init(char *mem_buffer)/*
-DOC_PARAM(tb, The memory to use for initializing the lex state's temp memory buffer.)
+DOC_PARAM(mem_buffer, The memory to use for initializing the lex state's temp memory buffer.)
 DOC_RETURN(A brand new lex state ready to begin lexing a file from the beginning.)
 
 DOC(Creates a new lex state in the form of a Cpp_Lex_Data struct and returns the struct.
@@ -1081,6 +1081,7 @@ FCPP_LINK void
 cpp_lex_data_new_temp(Cpp_Lex_Data *lex_data, char *new_buffer)/*
 DOC_PARAM(lex_data, The lex state that will receive the new temporary buffer.)
 DOC_PARAM(new_buffer, The new temporary buffer that has the same contents as the old temporary buffer.)
+
 DOC(This call can be used to set a new temporary buffer for the lex state.  In cases where you want to
 discontinue lexing, store the state, and resume later. In such a situation it may be necessary for you
 to free the temp buffer that was originally used to make the lex state. This call allows you to supply
@@ -1089,6 +1090,7 @@ a new temp buffer when you are ready to resume lexing.
 However the new buffer needs to have the same contents the old buffer had.  To ensure this you have to
 use cpp_lex_data_temp_size and cpp_lex_data_temp_read to get the relevant contents of the temp buffer
 before you free it.)
+
 DOC_SEE(cpp_lex_data_temp_size)
 DOC_SEE(cpp_lex_data_temp_read)
 */{

4ed.cpp

@@ -1125,18 +1125,42 @@ enum Command_Line_Action{
     CLAct_Count
 };
 
+enum Command_Line_Mode{
+    CLMode_App,
+    CLMode_Custom
+};
+
 void
 init_command_line_settings(App_Settings *settings, Plat_Settings *plat_settings,
                            Command_Line_Parameters clparams){
-    char *arg;
+    char *arg = 0;
+    Command_Line_Mode mode = CLMode_App;
     Command_Line_Action action = CLAct_Nothing;
-    i32 i,index;
+    i32 i = 0, index = 0;
     b32 strict = 0;
     
     settings->init_files_max = ArrayCount(settings->init_files);
     for (i = 1; i <= clparams.argc; ++i){
-        if (i == clparams.argc) arg = "";
+        if (i == clparams.argc){
-        else arg = clparams.argv[i];
+            arg = "";
+        }
+        else{
+            arg = clparams.argv[i];
+        }
+        
+        if (arg[0] == '-' && arg[1] == '-'){
+            char *long_arg_name = arg+2;
+            if (match_cc(long_arg_name, "custom")){
+                mode = CLMode_Custom;
+                settings->custom_arg_start = i+1;
+                settings->custom_arg_end = i+1;
+                continue;
+            }
+        }
+        
+        switch (mode){
+            case CLMode_App:
+            {
                 switch (action){
                     case CLAct_Nothing:
                     {
@@ -1255,6 +1279,13 @@ init_command_line_settings(App_Settings *settings, Plat_Settings *plat_settings,
                         action = CLAct_Nothing;
                     }break;
                 }
+            }break;
+            
+            case CLMode_Custom:
+            {
+                settings->custom_arg_end = i+1;
+            }break;
+        }
     }
 }
 

4ed.h

@@ -126,7 +126,8 @@ name(System_Functions *system,                         \
     Render_Target *target,           \
     Application_Memory *memory,      \
     Application_Step_Input *input,   \
-    Application_Step_Result *result)
+    Application_Step_Result *result, \
+    Command_Line_Parameters params)
 
 typedef App_Step_Sig(App_Step);
 

4ed_api_implementation.cpp

@@ -657,6 +657,7 @@ DOC_SEE(Partial_Cursor)
 
 API_EXPORT bool32
 Buffer_Batch_Edit(Application_Links *app, Buffer_Summary *buffer, char *str, int32_t str_len, Buffer_Edit *edits, int32_t edit_count, Buffer_Batch_Edit_Type type)/*
+DOC_PARAM(buffer, The buffer on which to apply the batch of edits.)
 DOC_PARAM(str, This parameter provides all of the source string for the edits in the batch.)
 DOC_PARAM(str_len, This parameter specifies the length of the str string.)
 DOC_PARAM(edits, This parameter provides about the source string and destination range of each edit as an array.)

4ed_app_models.h

@@ -21,6 +21,9 @@ struct App_Settings{
     b32 lctrl_lalt_is_altgr;
     
     i32 font_size;
+    
+    i32 custom_arg_start;
+    i32 custom_arg_end;
 };
 
 struct Debug_Input_Event{

4ed_metagen.cpp

@@ -2970,9 +2970,9 @@ generate_custom_headers(){
                   "<body>"
                   "<div style='font-family:Arial; margin: 0 auto; "
                   "width: 800px; text-align: justify; line-height: 1.25;'>"
-                  "<h1 style='margin-top: 5mm; margin-bottom: 5mm;'>4cpp Lexing Library</h1>");
+//                  "<h1 style='margin-top: 5mm; margin-bottom: 5mm;'>4cpp Lexing Library</h1>");
         
-//                "<h1 style='margin-top: 5mm; margin-bottom: 5mm;'>4coder API</h1>");
+                  "<h1 style='margin-top: 5mm; margin-bottom: 5mm;'>4coder API</h1>");
         
         struct Section{
             char *id_string;

TODO.txt

@@ -163,7 +163,12 @@
 ; [] the "main_4coder" experiment
 ; [] multi-line editing
 ; [] multi-cursor editing
-;
+
+; [] API docs have duplicate ids?
+; [] introduce custom command line arguments
+; [] control the file opening/start hook relationship better
+; [] flag for hiding the *messages* buffer.
+; [] get keyboard state on launch
 
 ; buffer behavior cleanup
 ;    [] show all characters as \# if they can't be rendered

buffer/4coder_gap_buffer.cpp

@@ -15,7 +15,10 @@
 
 typedef struct Gap_Buffer{
     char *data;
-    int size1, gap_size, size2, max;
+    int size1;
+    int gap_size;
+    int size2;
+    int max;
     
     float *line_widths;
     int *line_starts;
@@ -27,15 +30,13 @@ typedef struct Gap_Buffer{
 
 inline_4tech int
 buffer_good(Gap_Buffer *buffer){
-    int good;
+    int good = (buffer->data != 0);
-    good = (buffer->data != 0);
     return(good);
 }
 
 inline_4tech int
 buffer_size(Gap_Buffer *buffer){
-    int size;
+    int size = buffer->size1 + buffer->size2;
-    size = buffer->size1 + buffer->size2;
     return(size);
 }
 
@@ -56,36 +57,30 @@ buffer_begin_init(Gap_Buffer *buffer, char *data, int size){
 
 internal_4tech int
 buffer_init_need_more(Gap_Buffer_Init *init){
-    int result;
+    int result = 1;
-    result = 1;
     if (init->buffer->data) result = 0;
     return(result);
 }
 
 internal_4tech int
 buffer_init_page_size(Gap_Buffer_Init *init){
-    int result;
+    int result = init->size * 2;
-    result = init->size * 2;
     return(result);
 }
 
 internal_4tech void
 buffer_init_provide_page(Gap_Buffer_Init *init, void *page, int page_size){
-    Gap_Buffer *buffer;
+    Gap_Buffer *buffer = init->buffer;
-    buffer = init->buffer;
     buffer->data = (char*)page;
     buffer->max = page_size;
 }
 
 internal_4tech int
 buffer_end_init(Gap_Buffer_Init *init, void *scratch, int scratch_size){
-    Gap_Buffer *buffer;
+    Gap_Buffer *buffer = init->buffer;
-    int osize1, size1, size2, size;
+    int osize1 = 0, size1 = 0, size2 = 0, size = init->size;
-    int result;
+    int result = 0;
     
-    result = 0;
-    buffer = init->buffer;
-    size = init->size;
     if (buffer->data){
         if (buffer->max >= init->size){
             size2 = size >> 1;
@@ -121,42 +116,56 @@ typedef struct Gap_Buffer_Stringify_Loop{
 
 internal_4tech Gap_Buffer_Stringify_Loop
 buffer_stringify_loop(Gap_Buffer *buffer, int start, int end){
-    Gap_Buffer_Stringify_Loop result;
+    Gap_Buffer_Stringify_Loop result = {0};
+    
     if (0 <= start && start < end && end <= buffer->size1 + buffer->size2){
         result.buffer = buffer;
         result.base = buffer->data;
         result.absolute_pos = start;
         
-        if (end <= buffer->size1) result.end = end;
+        if (end <= buffer->size1){
-        else result.end = end + buffer->gap_size;
+            result.end = end;
+        }
+        else{
+            result.end = end + buffer->gap_size;
+        }
         
         if (start < buffer->size1){
-            if (end <= buffer->size1) result.separated = 0;
+            if (end <= buffer->size1){
-            else result.separated = 1;
+                result.separated = 0;
+            }
+            else{
+                result.separated = 1;
+            }
             result.pos = start;
         }
         else{
             result.separated = 0;
             result.pos = start + buffer->gap_size;
         }
-        if (result.separated) result.size = buffer->size1 - start;
+        
-        else result.size = end - start;
+        if (result.separated){
+            result.size = buffer->size1 - start;
+        }
+        else{
+            result.size = end - start;
+        }
+        
         result.data = buffer->data + result.pos;
     }
-    else result.buffer = 0;
+    
     return(result);
 }
 
 inline_4tech int
 buffer_stringify_good(Gap_Buffer_Stringify_Loop *loop){
-    int result;
+    int result = (loop->buffer != 0);
-    result = (loop->buffer != 0);
     return(result);
 }
 
 internal_4tech void
 buffer_stringify_next(Gap_Buffer_Stringify_Loop *loop){
-    int size1, temp_end;
+    int size1 = 0, temp_end = 0;
     if (loop->separated){
         loop->separated = 0;
         size1 = loop->buffer->size1;
@@ -183,49 +192,60 @@ typedef struct Gap_Buffer_Backify_Loop{
 
 internal_4tech Gap_Buffer_Backify_Loop
 buffer_backify_loop(Gap_Buffer *buffer, int start, int end){
-    Gap_Buffer_Backify_Loop result;
+    Gap_Buffer_Backify_Loop result = {0};
     
     ++start;
     if (0 <= end && end < start && start <= buffer->size1 + buffer->size2){
         result.buffer = buffer;
         result.base = buffer->data;
         
-        if (end < buffer->size1) result.end = end;
+        if (end < buffer->size1){
-        else result.end = end + buffer->gap_size;
+            result.end = end;
+        }
+        else{
+            result.end = end + buffer->gap_size;
+        }
         
         if (start <= buffer->size1){
             result.separated = 0;
             result.pos = 0;
         }
         else{
-            if (end < buffer->size1) result.separated = 1;
+            if (end < buffer->size1){
-            else result.separated = 0;
+                result.separated = 1;
+            }
+            else{
+                result.separated = 0;
+            }
             result.pos = buffer->size1 + buffer->gap_size;
         }
-        if (!result.separated && result.pos < result.end) result.pos = result.end;
+        
+        if (!result.separated && result.pos < result.end){
+            result.pos = result.end;
+        }
+        
         result.size = start - result.pos;
         result.absolute_pos = result.pos;
-        if (result.absolute_pos > buffer->size1) result.absolute_pos -= buffer->gap_size;
+        if (result.absolute_pos > buffer->size1){
+            result.absolute_pos -= buffer->gap_size;
+        }
         result.data = result.base + result.pos;
     }
-    else result.buffer = 0;
+    
     return(result);
 }
 
 inline_4tech int
 buffer_backify_good(Gap_Buffer_Backify_Loop *loop){
-    int result;
+    int result = (loop->buffer != 0);
-    result = (loop->buffer != 0);
     return(result);
 }
 
 internal_4tech void
 buffer_backify_next(Gap_Buffer_Backify_Loop *loop){
-    Gap_Buffer *buffer;
+    Gap_Buffer *buffer = loop->buffer;
-    int temp_end;
+    int temp_end = 0;
-    int chunk2_start;
+    
-    buffer = loop->buffer;
-    chunk2_start = buffer->size1 + buffer->gap_size;
     if (loop->separated){
         loop->separated = 0;
         temp_end = buffer->size1;
@@ -240,6 +260,7 @@ buffer_backify_next(Gap_Buffer_Backify_Loop *loop){
         temp_end = 0;
         loop->buffer = 0;
     }
+    
     loop->size = temp_end - loop->pos;
     loop->data = loop->base + loop->pos;
 }
@@ -247,19 +268,17 @@ buffer_backify_next(Gap_Buffer_Backify_Loop *loop){
 internal_4tech int
 buffer_replace_range(Gap_Buffer *buffer, int start, int end, char *str, int len, int *shift_amount,
                      void *scratch, int scratch_memory, int *request_amount){
-    char *data;
+    char *data = buffer->data;
-    int result;
+    int size = buffer_size(buffer);
-    int size;
+    int result = 0;
-    int move_size;
+    int move_size = 0;
     
-    size = buffer_size(buffer);
     assert_4tech(0 <= start);
     assert_4tech(start <= end);
     assert_4tech(end <= size);
     
     *shift_amount = (len - (end - start));
     if (*shift_amount + size <= buffer->max){
-        data = buffer->data;
         if (end < buffer->size1){
             move_size = buffer->size1 - end;
             memmove_4tech(data + buffer->size1 + buffer->gap_size - move_size, data + end, move_size);
@@ -280,8 +299,6 @@ buffer_replace_range(Gap_Buffer *buffer, int start, int end, char *str, int len,
         
         assert_4tech(buffer->size1 + buffer->size2 == size + *shift_amount);
         assert_4tech(buffer->size1 + buffer->gap_size + buffer->size2 == buffer->max);
-        
-        result = 0;
     }
     else{
         *request_amount = round_up_4tech(2*(*shift_amount + size), 4 << 10);
@@ -295,13 +312,11 @@ buffer_replace_range(Gap_Buffer *buffer, int start, int end, char *str, int len,
 internal_4tech int
 buffer_batch_edit_step(Buffer_Batch_State *state, Gap_Buffer *buffer, Buffer_Edit *sorted_edits,
                        char *strings, int edit_count, void *scratch, int scratch_size, int *request_amount){
-    Buffer_Edit *edit;
+    Buffer_Edit *edit = 0;
-    int i, result;
+    int i = state->i;
-    int shift_total, shift_amount;
+    int shift_total = state->shift_total;
-    
+    int shift_amount = 0;
-    result = 0;
+    int result = 0;
-    shift_total = state->shift_total;
-    i = state->i;
     
     edit = sorted_edits + i;
     for (; i < edit_count; ++i, ++edit){
@@ -320,13 +335,12 @@ buffer_batch_edit_step(Buffer_Batch_State *state, Gap_Buffer *buffer, Buffer_Edi
 
 internal_4tech void*
 buffer_edit_provide_memory(Gap_Buffer *buffer, void *new_data, int new_max){
-    void *result;
+    void *result = buffer->data;
-    int new_gap_size;
+    int size = buffer_size(buffer);
+    int new_gap_size = new_max - size;
     
-    assert_4tech(new_max >= buffer_size(buffer));
+    assert_4tech(new_max >= size);
     
-    result = buffer->data;
-    new_gap_size = new_max - buffer_size(buffer);
     memcpy_4tech(new_data, buffer->data, buffer->size1);
     memcpy_4tech((char*)new_data + buffer->size1 + new_gap_size, buffer->data + buffer->size1 + buffer->gap_size, buffer->size2);
     

win32_4ed.cpp

@@ -2438,7 +2438,8 @@ WinMain(HINSTANCE hInstance,
                            &win32vars.target,
                            &memory_vars,
                            &input,
-                           &result);
+                           &result,
+                           clparams);
         
         if (result.perform_kill){
             keep_playing = 0;