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4coder
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made the iteration order changes to the indenter

master
Allen Webster 2017-06-27 12:02:22 -04:00
parent 0bdf034601
commit 8badd84d8a
1 changed files with 41 additions and 54 deletions
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95
4coder_auto_indent.cpp
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@ -39,23 +39,21 @@ struct Hard_Start_Result{
static Hard_Start_Result
buffer_find_hard_start(Application_Links *app, Buffer_Summary *buffer, int32_t line_start, int32_t tab_width){
Hard_Start_Result result = {0};
char data_chunk[1024];
Stream_Chunk stream = {0};
char c;
tab_width -= 1;
Hard_Start_Result result = {0};
result.all_space = 1;
result.indent_pos = 0;
result.char_pos = line_start;
stream.add_null = 1;
char data_chunk[1024];
Stream_Chunk stream = {0};
stream.add_null = true;
if (init_stream_chunk(&stream, app, buffer, line_start, data_chunk, sizeof(data_chunk))){
int32_t still_looping = 1;
do{
for (; result.char_pos < stream.end; ++result.char_pos){
c = stream.data[result.char_pos];
char c = stream.data[result.char_pos];
if (c == '\n' || c == 0){
result.all_whitespace = 1;
@ -310,8 +308,7 @@ get_indentation_marks(Application_Links *app, Partition *part, Buffer_Summary *b
// Decide where to start indentation parsing.
Indent_Parse_State indent = {0};
Cpp_Token *token_ptr = find_anchor_token(app, buffer, tokens, line_start,
tab_width, &indent.current_indent);
Cpp_Token *token_ptr = find_anchor_token(app, buffer, tokens, line_start, tab_width, &indent.current_indent);
if (token_ptr == 0){
for (int32_t line_index = line_start; line_index < line_end; ++line_index){
@ -320,24 +317,22 @@ get_indentation_marks(Application_Links *app, Partition *part, Buffer_Summary *b
}
else{
int32_t line_index = buffer_get_line_index(app, buffer, token_ptr->start);
if (line_index > line_start){
line_index = line_start;
}
int32_t next_line_start_pos = buffer_get_line_start(app, buffer, line_index+1);
switch (token_ptr->type){
case CPP_TOKEN_BRACKET_OPEN: indent.current_indent += tab_width; break;
case CPP_TOKEN_BRACE_OPEN: indent.current_indent += tab_width; break;
case CPP_TOKEN_PARENTHESE_OPEN: indent.current_indent += tab_width; break;
if (token_ptr == tokens.tokens){
indent.current_indent = 0;
}
int32_t next_line_start_pos = buffer_get_line_start(app, buffer, line_index);
indent.previous_line_indent = indent.current_indent;
Cpp_Token prev_token = {0};
Cpp_Token token = {0};
--token_ptr;
for (;line_index < line_end;){
Cpp_Token prev_token = *token_ptr, token = {0};
prev_token = token;
++token_ptr;
if (token_ptr < tokens.tokens + tokens.count){
token = *token_ptr;
@ -472,31 +467,31 @@ get_indentation_marks(Application_Links *app, Partition *part, Buffer_Summary *b
}break;
case CPP_TOKEN_PARENTHESE_OPEN:
if (!(token.flags & CPP_TFLAG_PP_BODY)){
if (indent.paren_nesting < ArrayCount(indent.paren_anchor_indent)){
int32_t line = buffer_get_line_index(app, buffer, token.start);
int32_t start = buffer_get_line_start(app, buffer, line);
int32_t char_pos = token.start - start;
Hard_Start_Result hard_start =
buffer_find_hard_start(app, buffer, start, tab_width);
int32_t line_pos = hard_start.char_pos - start;
indent.paren_anchor_indent[indent.paren_nesting] =
char_pos - line_pos + indent.previous_line_indent + 1;
{
if (!(token.flags & CPP_TFLAG_PP_BODY)){
if (indent.paren_nesting < ArrayCount(indent.paren_anchor_indent)){
int32_t line = buffer_get_line_index(app, buffer, token.start);
int32_t start = buffer_get_line_start(app, buffer, line);
int32_t char_pos = token.start - start;
Hard_Start_Result hard_start = buffer_find_hard_start(app, buffer, start, tab_width);
int32_t line_pos = hard_start.char_pos - start;
indent.paren_anchor_indent[indent.paren_nesting] = char_pos - line_pos + indent.previous_line_indent + 1;
}
++indent.paren_nesting;
}
++indent.paren_nesting;
}
break;
}break;
case CPP_TOKEN_PARENTHESE_CLOSE:
if (!(token.flags & CPP_TFLAG_PP_BODY)){
if (indent.paren_nesting > 0){
--indent.paren_nesting;
{
if (!(token.flags & CPP_TFLAG_PP_BODY)){
if (indent.paren_nesting > 0){
--indent.paren_nesting;
}
}
}
break;
}break;
}
}
}
@ -507,9 +502,7 @@ get_indentation_marks(Application_Links *app, Partition *part, Buffer_Summary *b
}
static void
get_indent_lines_minimum(Application_Links *app, Buffer_Summary *buffer,
int32_t start_pos, int32_t end_pos,
int32_t *line_start_out, int32_t *line_end_out){
get_indent_lines_minimum(Application_Links *app, Buffer_Summary *buffer, int32_t start_pos, int32_t end_pos, int32_t *line_start_out, int32_t *line_end_out){
int32_t line_start = buffer_get_line_index(app, buffer, start_pos);
int32_t line_end = buffer_get_line_index(app, buffer, end_pos) + 1;
@ -518,9 +511,7 @@ get_indent_lines_minimum(Application_Links *app, Buffer_Summary *buffer,
}
static void
get_indent_lines_whole_tokens(Application_Links *app, Buffer_Summary *buffer, Cpp_Token_Array tokens,
int32_t start_pos, int32_t end_pos,
int32_t *line_start_out, int32_t *line_end_out){
get_indent_lines_whole_tokens(Application_Links *app, Buffer_Summary *buffer, Cpp_Token_Array tokens, int32_t start_pos, int32_t end_pos, int32_t *line_start_out, int32_t *line_end_out){
int32_t line_start = buffer_get_line_index(app, buffer, start_pos);
int32_t line_end = buffer_get_line_index(app, buffer, end_pos);
@ -558,12 +549,11 @@ get_indent_lines_whole_tokens(Application_Links *app, Buffer_Summary *buffer, Cp
}
static bool32
buffer_auto_indent(Application_Links *app, Partition *part, Buffer_Summary *buffer,
int32_t start, int32_t end, int32_t tab_width, Auto_Indent_Flag flags){
buffer_auto_indent(Application_Links *app, Partition *part, Buffer_Summary *buffer, int32_t start, int32_t end, int32_t tab_width, Auto_Indent_Flag flags){
bool32 result = 0;
bool32 result = false;
if (buffer->exists && buffer->tokens_are_ready){
result = 1;
result = true;
Temp_Memory temp = begin_temp_memory(part);
@ -587,9 +577,7 @@ buffer_auto_indent(Application_Links *app, Partition *part, Buffer_Summary *buff
// Stage 3: Decide Indent Amounts
// Get an array representing how much each line in
// the range [line_start,line_end) should be indented.
int32_t *indent_marks =
get_indentation_marks(app, part, buffer, tokens, line_start, line_end,
(flags & AutoIndent_ExactAlignBlock), tab_width);
int32_t *indent_marks = get_indentation_marks(app, part, buffer, tokens, line_start, line_end, (flags & AutoIndent_ExactAlignBlock), tab_width);
// Stage 4: Set the Line Indents
Indent_Options opts = {0};
@ -606,8 +594,7 @@ buffer_auto_indent(Application_Links *app, Partition *part, Buffer_Summary *buff
}
static bool32
buffer_auto_indent(Application_Links *app, Buffer_Summary *buffer, int32_t start, int32_t end,
int32_t tab_width, Auto_Indent_Flag flags){
buffer_auto_indent(Application_Links *app, Buffer_Summary *buffer, int32_t start, int32_t end, int32_t tab_width, Auto_Indent_Flag flags){
bool32 result = buffer_auto_indent(app, &global_part, buffer, start, end, tab_width, flags);
return(result);
}