cleaned up the indenting code
Allen Webster
parent
894a06d7ef
commit
46c21b991b
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@ -272,101 +272,6 @@ struct Indent_Parse_State{
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int32_t previous_comment_indent;
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};
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static int32_t
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compute_this_indent(Application_Links *app, Buffer_Summary *buffer, Indent_Parse_State *indent,
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Cpp_Token T, Cpp_Token prev_token, int32_t line_i, bool32 this_line_gets_indented,
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bool32 exact_align, int32_t tab_width){
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int32_t previous_indent = indent->previous_line_indent;
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int32_t this_indent = 0;
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int32_t this_line_start = buffer_get_line_start(app, buffer, line_i);
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int32_t next_line_start = buffer_get_line_start(app, buffer, line_i+1);
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bool32 did_special_behavior = false;
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if (prev_token.start <= this_line_start &&
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prev_token.start + prev_token.size > this_line_start){
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if (prev_token.type == CPP_TOKEN_COMMENT){
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Hard_Start_Result hard_start = buffer_find_hard_start(app, buffer, this_line_start, tab_width);
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if (exact_align){
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this_indent = indent->previous_comment_indent;
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}
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else{
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if (hard_start.all_whitespace){
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this_indent = previous_indent;
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}
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else{
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int32_t line_pos = hard_start.char_pos - this_line_start;
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this_indent = line_pos + indent->comment_shift;
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if (this_indent < 0){
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this_indent = 0;
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}
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}
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}
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if (!hard_start.all_whitespace){
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if (this_line_gets_indented){
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indent->previous_comment_indent = this_indent;
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}
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else{
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indent->previous_comment_indent = hard_start.indent_pos;
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}
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}
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did_special_behavior = true;
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}
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else if (prev_token.type == CPP_TOKEN_STRING_CONSTANT){
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this_indent = previous_indent;
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did_special_behavior = true;
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}
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}
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if (!did_special_behavior){
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this_indent = indent->current_indent;
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if (T.start < next_line_start){
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if (T.flags & CPP_TFLAG_PP_DIRECTIVE){
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this_indent = 0;
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}
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else{
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switch (T.type){
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case CPP_TOKEN_BRACKET_CLOSE: this_indent -= tab_width; break;
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case CPP_TOKEN_BRACE_CLOSE: this_indent -= tab_width; break;
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case CPP_TOKEN_BRACE_OPEN: break;
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default:
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if (indent->current_indent > 0){
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if (!(prev_token.flags & CPP_TFLAG_PP_BODY) &&
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!(prev_token.flags & CPP_TFLAG_PP_DIRECTIVE)){
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switch (prev_token.type){
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case CPP_TOKEN_BRACKET_OPEN:
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case CPP_TOKEN_BRACE_OPEN: case CPP_TOKEN_BRACE_CLOSE:
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case CPP_TOKEN_SEMICOLON: case CPP_TOKEN_COLON:
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case CPP_TOKEN_COMMA: case CPP_TOKEN_COMMENT: break;
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default: this_indent += tab_width;
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}
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}
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}
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}
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}
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}
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if (this_indent < 0) this_indent = 0;
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}
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if (indent->paren_nesting > 0){
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if (prev_token.type != CPP_TOKEN_PARENTHESE_OPEN){
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int32_t level = indent->paren_nesting-1;
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if (level >= ArrayCount(indent->paren_anchor_indent)){
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level = ArrayCount(indent->paren_anchor_indent)-1;
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}
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this_indent = indent->paren_anchor_indent[level];
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}
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}
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return(this_indent);
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}
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static int32_t*
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get_indentation_marks(Application_Links *app, Partition *part, Buffer_Summary *buffer,
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Cpp_Token_Array tokens, int32_t line_start, int32_t line_end,
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@ -374,7 +279,7 @@ get_indentation_marks(Application_Links *app, Partition *part, Buffer_Summary *b
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int32_t indent_mark_count = line_end - line_start;
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int32_t *indent_marks = push_array(part, int32_t, indent_mark_count);
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// Shift the array so line_i works correctly.
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// Shift the array so line_index works correctly.
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indent_marks -= line_start;
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@ -415,15 +320,96 @@ get_indentation_marks(Application_Links *app, Partition *part, Buffer_Summary *b
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for (;token.start >= next_line_start_pos && line_index < line_end;){
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next_line_start_pos = buffer_get_line_start(app, buffer, line_index+1);
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// TODO(allen): Flatten this function back in, as it is no longer
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// leaving the indent state unchanged and it's only called here.
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int32_t this_indent =
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compute_this_indent(app, buffer, &indent, token, prev_token,
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line_index, line_index >= line_start,
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exact_align, tab_width);
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int32_t this_indent = 0;
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{
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int32_t previous_indent = indent.previous_line_indent;
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// NOTE(allen): Rebase the paren anchor if the first token
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// after an open paren is on the next line.
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int32_t this_line_start = buffer_get_line_start(app, buffer, line_index);
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int32_t next_line_start = buffer_get_line_start(app, buffer, line_index+1);
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bool32 did_special_behavior = false;
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if (prev_token.start <= this_line_start && prev_token.start + prev_token.size > this_line_start){
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if (prev_token.type == CPP_TOKEN_COMMENT){
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Hard_Start_Result hard_start = buffer_find_hard_start(app, buffer, this_line_start, tab_width);
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if (exact_align){
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this_indent = indent.previous_comment_indent;
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}
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else{
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if (hard_start.all_whitespace){
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this_indent = previous_indent;
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}
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else{
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int32_t line_pos = hard_start.char_pos - this_line_start;
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this_indent = line_pos + indent.comment_shift;
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if (this_indent < 0){
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this_indent = 0;
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}
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}
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}
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if (!hard_start.all_whitespace){
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if (line_index >= line_start){
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indent.previous_comment_indent = this_indent;
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}
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else{
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indent.previous_comment_indent = hard_start.indent_pos;
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}
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}
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did_special_behavior = true;
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}
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else if (prev_token.type == CPP_TOKEN_STRING_CONSTANT){
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this_indent = previous_indent;
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did_special_behavior = true;
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}
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}
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if (!did_special_behavior){
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this_indent = indent.current_indent;
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if (token.start < next_line_start){
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if (token.flags & CPP_TFLAG_PP_DIRECTIVE){
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this_indent = 0;
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}
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else{
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switch (token.type){
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case CPP_TOKEN_BRACKET_CLOSE: this_indent -= tab_width; break;
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case CPP_TOKEN_BRACE_CLOSE: this_indent -= tab_width; break;
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case CPP_TOKEN_BRACE_OPEN: break;
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default:
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if (indent.current_indent > 0){
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if (!(prev_token.flags & CPP_TFLAG_PP_BODY) &&
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!(prev_token.flags & CPP_TFLAG_PP_DIRECTIVE)){
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switch (prev_token.type){
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case CPP_TOKEN_BRACKET_OPEN:
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case CPP_TOKEN_BRACE_OPEN: case CPP_TOKEN_BRACE_CLOSE:
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case CPP_TOKEN_SEMICOLON: case CPP_TOKEN_COLON:
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case CPP_TOKEN_COMMA: case CPP_TOKEN_COMMENT: break;
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default: this_indent += tab_width;
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}
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}
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}
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}
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}
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}
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if (this_indent < 0) this_indent = 0;
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}
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if (indent.paren_nesting > 0){
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if (prev_token.type != CPP_TOKEN_PARENTHESE_OPEN){
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int32_t level = indent.paren_nesting-1;
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if (level >= ArrayCount(indent.paren_anchor_indent)){
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level = ArrayCount(indent.paren_anchor_indent)-1;
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}
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this_indent = indent.paren_anchor_indent[level];
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}
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}
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}
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// Rebase the paren anchor if the first token
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// after the open paren is on the next line.
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if (indent.paren_nesting > 0){
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if (prev_token.type == CPP_TOKEN_PARENTHESE_OPEN){
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int32_t level = indent.paren_nesting-1;
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17
TODO.txt
17
TODO.txt
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@ -87,14 +87,6 @@
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; BEFORE I SHIP
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;
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; [X] use strange theme
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; [X] tokens in the custom API
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; [X] token seeking on custom side
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; [X] auto indent on the custom side
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; [X] indent whole comments
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; [X] inserting lines at end of block comment
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; [] clean up and comment the auto indent code to allow for customizations
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; [] more built in options for auto indenting
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; [] occasionally missing the (!) mark on files on windows
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;
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@ -142,7 +134,16 @@
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; [X] case insensitive interactive switch buffer
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; [X] expose dirty flags
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; [X] why are command line files not loading any more?
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; [X] use strange theme
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; [X] tokens in the custom API
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; [X] token seeking on custom side
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; [X] auto indent on the custom side
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; [X] indent whole comments
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; [X] inserting lines at end of block comment
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; [] switch to line classification system
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; [] more built in options for auto indenting
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;
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;
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; [] binary buffers
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; [] commands for resizing panels
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