diff options
Diffstat (limited to 'debian/uncrustify-trinity/uncrustify-trinity-0.74.0/tests/input/cpp/indent-c.cpp')
| -rw-r--r-- | debian/uncrustify-trinity/uncrustify-trinity-0.74.0/tests/input/cpp/indent-c.cpp | 1084 |
1 files changed, 0 insertions, 1084 deletions
diff --git a/debian/uncrustify-trinity/uncrustify-trinity-0.74.0/tests/input/cpp/indent-c.cpp b/debian/uncrustify-trinity/uncrustify-trinity-0.74.0/tests/input/cpp/indent-c.cpp deleted file mode 100644 index 56633d0e..00000000 --- a/debian/uncrustify-trinity/uncrustify-trinity-0.74.0/tests/input/cpp/indent-c.cpp +++ /dev/null @@ -1,1084 +0,0 @@ -/** - * @file indent.cpp - * Does all the indenting stuff. - * - * $Id: indent.cpp 548 2006-10-21 02:31:55Z bengardner $ - */ -#include "uncrustify_types.h" -#include "chunk_list.h" -#include "prototypes.h" -#include <cstdio> -#include <cstdlib> -#include <cstring> -#include <cerrno> -#include <cctype> - - -/** - * General indenting approach: - * Indenting levels are put into a stack. - * - * The stack entries contain: - * - opening type - * - brace column - * - continuation column - * - * Items that start a new stack item: - * - preprocessor (new parse frame) - * - Brace Open (Virtual brace also) - * - Paren, Square, Angle open - * - Assignments - * - C++ '<<' operator (ie, cout << "blah") - * - case - * - class colon - * - return - * - types - * - any other continued statement - * - * Note that the column of items marked 'PCF_WAS_ALIGNED' is not changed. - * - * For an open brace: - * - indent increases by indent_columns - * - if part of if/else/do/while/switch/etc, an extra indent may be applied - * - if in a paren, then cont-col is set to column + 1, ie "({ some code })" - * - * Open paren/square/angle: - * cont-col is set to the column of the item after the open paren, unless - * followed by a newline, then it is set to (brace-col + indent_columns). - * Examples: - * a_really_long_funcion_name( - * param1, param2); - * a_really_long_funcion_name(param1, - * param2); - * - * Assignments: - * Assignments are continued aligned with the first item after the assignment, - * unless the assign is followed by a newline. - * Examples: - * some.variable = asdf + asdf + - * asdf; - * some.variable = - * asdf + asdf + asdf; - * - * C++ << operator: - * Handled the same as assignment. - * Examples: - * cout << "this is test number: " - * << test_number; - * - * case: - * Started with case or default. - * Terminated with close brace at level or another case or default. - * Special indenting according to various rules. - * - indent of case label - * - indent of case body - * - how to handle optional braces - * Examples: - * { - * case x: { - * a++; - * break; - * } - * case y: - * b--; - * break; - * default: - * c++; - * break; - * } - * - * Class colon: - * Indent continuation by indent_columns: - * class my_class : - * baseclass1, - * baseclass2 - * { - * - * Return: same as assignemts - * If the return statement is not fully paren'd, then the indent continues at - * the column of the item after the return. If it is paren'd, then the paren - * rules apply. - * return somevalue + - * othervalue; - * - * Type: pretty much the same as assignments - * Examples: - * int foo, - * bar, - * baz; - * - * Any other continued item: - * There shouldn't be anything not covered by the above cases, but any other - * continued item is indented by indent_columns: - * Example: - * somereallycrazylongname.with[lotsoflongstuff]. - * thatreallyannoysme.whenIhavetomaintain[thecode] = 3; - */ - -static void indent_comment(chunk_t *pc, int col); - - -void indent_to_column(chunk_t *pc, int column) -{ - if (column < pc->column) - { - column = pc->column; - } - reindent_line(pc, column); -} - -/** - * Changes the initial indent for a line to the given column - * - * @param pc The chunk at the start of the line - * @param column The desired column - */ -void reindent_line(chunk_t *pc, int column) -{ - int col_delta; - int min_col; - - LOG_FMT(LINDLINE, "%s: %d] col %d on %.*s [%s] => %d\n", - __func__, pc->orig_line, pc->column, pc->len, pc->str, - get_token_name(pc->type), column); - - if (column == pc->column) - { - return; - } - col_delta = column - pc->column; - pc->column = column; - min_col = pc->column; - - do - { - min_col += pc->len; - pc = chunk_get_next(pc); - if (pc != NULL) - { - if (chunk_is_comment(pc)) - { - pc->column = pc->orig_col; - if (pc->column < min_col) - { - pc->column = min_col + 1; - } - LOG_FMT(LINDLINE, "%s: set comment on line %d to col %d (orig %d)\n", - __func__, pc->orig_line, pc->column, pc->orig_col); - } - else - { - pc->column += col_delta; - if (pc->column < min_col) - { - pc->column = min_col; - } - } - } - } while ((pc != NULL) && (pc->nl_count == 0)); -} - - -/** - * Starts a new entry - * - * @param frm The parse frame - * @param pc The chunk causing the push - */ -static void indent_pse_push(struct parse_frame& frm, chunk_t *pc) -{ - static int ref = 0; - - /* check the stack depth */ - if (frm.pse_tos < (int)ARRAY_SIZE(frm.pse)) - { - /* Bump up the index and initialize it */ - frm.pse_tos++; - memset(&frm.pse[frm.pse_tos], 0, sizeof(frm.pse[frm.pse_tos])); - - LOG_FMT(LINDPSE, "%4d] OPEN [%d,%s] level=%d\n", - pc->orig_line, frm.pse_tos, get_token_name(pc->type), pc->level); - - frm.pse[frm.pse_tos].type = pc->type; - frm.pse[frm.pse_tos].level = pc->level; - frm.pse[frm.pse_tos].open_line = pc->orig_line; - frm.pse[frm.pse_tos].ref = ++ref; - frm.pse[frm.pse_tos].in_preproc = (pc->flags & PCF_IN_PREPROC) != 0; - } -} - - -/** - * Removes the top entry - * - * @param frm The parse frame - * @param pc The chunk causing the push - */ -static void indent_pse_pop(struct parse_frame& frm, chunk_t *pc) -{ - /* Bump up the index and initialize it */ - if (frm.pse_tos > 0) - { - if (pc != NULL) - { - LOG_FMT(LINDPSE, "%4d] CLOSE [%d,%s] on %s, started on line %d, level=%d/%d\n", - pc->orig_line, frm.pse_tos, - get_token_name(frm.pse[frm.pse_tos].type), - get_token_name(pc->type), - frm.pse[frm.pse_tos].open_line, - frm.pse[frm.pse_tos].level, - pc->level); - } - else - { - LOG_FMT(LINDPSE, " EOF] CLOSE [%d,%s], started on line %d\n", - frm.pse_tos, get_token_name(frm.pse[frm.pse_tos].type), - frm.pse[frm.pse_tos].open_line); - } - frm.pse_tos--; - } -} - - -static int token_indent(c_token_t type) -{ - switch (type) - { - case CT_IF: - case CT_DO: - return(3); - - case CT_FOR: - case CT_ELSE: // wacky, but that's what is wanted - return(4); - - case CT_WHILE: - return(6); - - case CT_SWITCH: - return(7); - - case CT_ELSEIF: - return(8); - - default: - return(0); //cpd.settings[UO_indent_braces].n; - } -} - - -/** - * Change the top-level indentation only by changing the column member in - * the chunk structures. - * The level indicator must already be set. - */ -void indent_text(void) -{ - chunk_t *pc; - chunk_t *next; - chunk_t *prev = NULL; - bool did_newline = true; - int idx; - int vardefcol = 0; - int indent_size = cpd.settings[UO_indent_columns].n; - int tmp; - struct parse_frame frm; - bool in_preproc = false, was_preproc = false; - int indent_column; - int cout_col = 0; // for aligning << stuff - int cout_level = 0; // for aligning << stuff - int parent_token_indent = 0; - - memset(&frm, 0, sizeof(frm)); - - /* dummy top-level entry */ - frm.pse[0].indent = 1; - frm.pse[0].indent_tmp = 1; - frm.pse[0].type = CT_EOF; - - pc = chunk_get_head(); - while (pc != NULL) - { - /* Handle proprocessor transitions */ - was_preproc = in_preproc; - in_preproc = (pc->flags & PCF_IN_PREPROC) != 0; - - if (cpd.settings[UO_indent_brace_parent].b) - { - parent_token_indent = token_indent(pc->parent_type); - } - - /* Clean up after a #define */ - if (!in_preproc) - { - while ((frm.pse_tos > 0) && frm.pse[frm.pse_tos].in_preproc) - { - indent_pse_pop(frm, pc); - } - } - else - { - pf_check(&frm, pc); - - if (!was_preproc) - { - /* Transition into a preproc by creating a dummy indent */ - frm.level++; - indent_pse_push(frm, pc); - - frm.pse[frm.pse_tos].indent = 1 + indent_size; - frm.pse[frm.pse_tos].indent_tmp = frm.pse[frm.pse_tos].indent; - } - } - - if ((cout_col > 0) && - (chunk_is_semicolon(pc) || - (pc->level < cout_level))) - { - cout_col = 0; - cout_level = 0; - } - - /** - * Handle non-brace closures - */ - - int old_pse_tos; - do - { - old_pse_tos = frm.pse_tos; - - /* End anything that drops a level - * REVISIT: not sure about the preproc check - */ - if (!chunk_is_newline(pc) && - !chunk_is_comment(pc) && - ((pc->flags & PCF_IN_PREPROC) == 0) && - (frm.pse[frm.pse_tos].level > pc->level)) - { - indent_pse_pop(frm, pc); - } - - if (frm.pse[frm.pse_tos].level == pc->level) - { - /* process virtual braces closes (no text output) */ - if ((pc->type == CT_VBRACE_CLOSE) && - (frm.pse[frm.pse_tos].type == CT_VBRACE_OPEN)) - { - indent_pse_pop(frm, pc); - frm.level--; - pc = chunk_get_next(pc); - } - - /* End any assign operations with a semicolon on the same level */ - if ((frm.pse[frm.pse_tos].type == CT_ASSIGN) && - (chunk_is_semicolon(pc) || - (pc->type == CT_COMMA) || - (pc->type == CT_BRACE_OPEN))) - { - indent_pse_pop(frm, pc); - } - - /* End any CPP class colon crap */ - if ((frm.pse[frm.pse_tos].type == CT_CLASS_COLON) && - ((pc->type == CT_BRACE_OPEN) || - chunk_is_semicolon(pc))) - { - indent_pse_pop(frm, pc); - } - - /* a case is ended with another case or a close brace */ - if ((frm.pse[frm.pse_tos].type == CT_CASE) && - ((pc->type == CT_BRACE_CLOSE) || - (pc->type == CT_CASE))) - { - indent_pse_pop(frm, pc); - } - - /* a return is ended with a semicolon */ - if ((frm.pse[frm.pse_tos].type == CT_RETURN) && - chunk_is_semicolon(pc)) - { - indent_pse_pop(frm, pc); - } - - /* Close out parens and squares */ - if ((frm.pse[frm.pse_tos].type == (pc->type - 1)) && - ((pc->type == CT_PAREN_CLOSE) || - (pc->type == CT_SPAREN_CLOSE) || - (pc->type == CT_FPAREN_CLOSE) || - (pc->type == CT_SQUARE_CLOSE) || - (pc->type == CT_ANGLE_CLOSE))) - { - indent_pse_pop(frm, pc); - frm.paren_count--; - } - } - } while (old_pse_tos > frm.pse_tos); - - /* Grab a copy of the current indent */ - indent_column = frm.pse[frm.pse_tos].indent_tmp; - - if (!chunk_is_newline(pc) && !chunk_is_comment(pc)) - { - LOG_FMT(LINDPC, " -=[ %.*s ]=- top=%d %s %d/%d\n", - pc->len, pc->str, - frm.pse_tos, - get_token_name(frm.pse[frm.pse_tos].type), - frm.pse[frm.pse_tos].indent_tmp, - frm.pse[frm.pse_tos].indent); - } - - /** - * Handle stuff that can affect the current indent: - * - brace close - * - vbrace open - * - brace open - * - case (immediate) - * - labels (immediate) - * - class colons (immediate) - * - * And some stuff that can't - * - open paren - * - open square - * - assignment - * - return - */ - - if (pc->type == CT_BRACE_CLOSE) - { - if (frm.pse[frm.pse_tos].type == CT_BRACE_OPEN) - { - indent_pse_pop(frm, pc); - frm.level--; - - /* Update the indent_column if needed */ - if (!cpd.settings[UO_indent_braces].b && - (parent_token_indent == 0)) - { - indent_column = frm.pse[frm.pse_tos].indent_tmp; - } - - if ((pc->parent_type == CT_IF) || - (pc->parent_type == CT_ELSE) || - (pc->parent_type == CT_ELSEIF) || - (pc->parent_type == CT_DO) || - (pc->parent_type == CT_WHILE) || - (pc->parent_type == CT_SWITCH) || - (pc->parent_type == CT_FOR)) - { - indent_column += cpd.settings[UO_indent_brace].n; - } - } - } - else if (pc->type == CT_VBRACE_OPEN) - { - frm.level++; - indent_pse_push(frm, pc); - - frm.pse[frm.pse_tos].indent = frm.pse[frm.pse_tos - 1].indent + indent_size; - frm.pse[frm.pse_tos].indent_tmp = frm.pse[frm.pse_tos].indent; - - /* Always indent on virtual braces */ - indent_column = frm.pse[frm.pse_tos].indent_tmp; - } - else if (pc->type == CT_BRACE_OPEN) - { - frm.level++; - indent_pse_push(frm, pc); - - if (frm.paren_count != 0) - { - /* We are inside ({ ... }) -- indent one tab from the paren */ - frm.pse[frm.pse_tos].indent = frm.pse[frm.pse_tos - 1].indent_tmp + indent_size; - } - else - { - /* Use the prev indent level + indent_size. */ - frm.pse[frm.pse_tos].indent = frm.pse[frm.pse_tos - 1].indent + indent_size; - - /* If this brace is part of a statement, bump it out by indent_brace */ - if ((pc->parent_type == CT_IF) || - (pc->parent_type == CT_ELSE) || - (pc->parent_type == CT_ELSEIF) || - (pc->parent_type == CT_DO) || - (pc->parent_type == CT_WHILE) || - (pc->parent_type == CT_SWITCH) || - (pc->parent_type == CT_FOR)) - { - if (parent_token_indent != 0) - { - frm.pse[frm.pse_tos].indent += parent_token_indent - indent_size; - } - else - { - frm.pse[frm.pse_tos].indent += cpd.settings[UO_indent_brace].n; - indent_column += cpd.settings[UO_indent_brace].n; - } - } - else if (pc->parent_type == CT_CASE) - { - /* The indent_case_brace setting affects the parent CT_CASE */ - frm.pse[frm.pse_tos].indent_tmp += cpd.settings[UO_indent_case_brace].n; - frm.pse[frm.pse_tos].indent += cpd.settings[UO_indent_case_brace].n; - } - else if ((pc->parent_type == CT_CLASS) && !cpd.settings[UO_indent_class].b) - { - frm.pse[frm.pse_tos].indent -= indent_size; - } - else if ((pc->parent_type == CT_NAMESPACE) && !cpd.settings[UO_indent_namespace].b) - { - frm.pse[frm.pse_tos].indent -= indent_size; - } - } - - if ((pc->flags & PCF_DONT_INDENT) != 0) - { - frm.pse[frm.pse_tos].indent = pc->column; - indent_column = pc->column; - } - else - { - /** - * If there isn't a newline between the open brace and the next - * item, just indent to wherever the next token is. - * This covers this sort of stuff: - * { a++; - * b--; }; - */ - next = chunk_get_next_ncnnl(pc); - if (!chunk_is_newline_between(pc, next)) - { - frm.pse[frm.pse_tos].indent = next->column; - } - frm.pse[frm.pse_tos].indent_tmp = frm.pse[frm.pse_tos].indent; - frm.pse[frm.pse_tos].open_line = pc->orig_line; - - /* Update the indent_column if needed */ - if (cpd.settings[UO_indent_braces].n || - (parent_token_indent != 0)) - { - indent_column = frm.pse[frm.pse_tos].indent_tmp; - } - } - } - else if (pc->type == CT_CASE) - { - /* Start a case - indent UO_indent_switch_case from the switch level */ - tmp = frm.pse[frm.pse_tos].indent + cpd.settings[UO_indent_switch_case].n; - - indent_pse_push(frm, pc); - - frm.pse[frm.pse_tos].indent = tmp; - frm.pse[frm.pse_tos].indent_tmp = tmp - indent_size; - - /* Always set on case statements */ - indent_column = frm.pse[frm.pse_tos].indent_tmp; - } - else if (pc->type == CT_LABEL) - { - /* Labels get sent to the left or backed up */ - if (cpd.settings[UO_indent_label].n > 0) - { - indent_column = cpd.settings[UO_indent_label].n; - } - else - { - indent_column = frm.pse[frm.pse_tos].indent + - cpd.settings[UO_indent_label].n; - } - } - else if (pc->type == CT_CLASS_COLON) - { - /* just indent one level */ - indent_pse_push(frm, pc); - frm.pse[frm.pse_tos].indent = frm.pse[frm.pse_tos - 1].indent_tmp + indent_size; - frm.pse[frm.pse_tos].indent_tmp = frm.pse[frm.pse_tos].indent; - - indent_column = frm.pse[frm.pse_tos].indent_tmp; - - if (cpd.settings[UO_indent_class_colon].b) - { - prev = chunk_get_prev(pc); - if (chunk_is_newline(prev)) - { - frm.pse[frm.pse_tos].indent += 2; - /* don't change indent of current line */ - } - } - } - else if ((pc->type == CT_PAREN_OPEN) || - (pc->type == CT_SPAREN_OPEN) || - (pc->type == CT_FPAREN_OPEN) || - (pc->type == CT_SQUARE_OPEN) || - (pc->type == CT_ANGLE_OPEN)) - { - /* Open parens and squares - never update indent_column */ - indent_pse_push(frm, pc); - frm.pse[frm.pse_tos].indent = pc->column + pc->len; - - if (cpd.settings[UO_indent_func_call_param].b && - (pc->type == CT_FPAREN_OPEN) && - (pc->parent_type == CT_FUNC_CALL)) - { - frm.pse[frm.pse_tos].indent = frm.pse[frm.pse_tos - 1].indent + indent_size; - } - - if ((chunk_is_str(pc, "(", 1) && !cpd.settings[UO_indent_paren_nl].b) || - (chunk_is_str(pc, "[", 1) && !cpd.settings[UO_indent_square_nl].b)) - { - next = chunk_get_next_nc(pc); - if (chunk_is_newline(next)) - { - int sub = 1; - if (frm.pse[frm.pse_tos - 1].type == CT_ASSIGN) - { - sub = 2; - } - frm.pse[frm.pse_tos].indent = frm.pse[frm.pse_tos - sub].indent + indent_size; - } - } - frm.pse[frm.pse_tos].indent_tmp = frm.pse[frm.pse_tos].indent; - frm.paren_count++; - } - else if (pc->type == CT_ASSIGN) - { - /** - * if there is a newline after the '=', just indent one level, - * otherwise align on the '='. - * Never update indent_column. - */ - next = chunk_get_next(pc); - if (next != NULL) - { - indent_pse_push(frm, pc); - if (chunk_is_newline(next)) - { - frm.pse[frm.pse_tos].indent = frm.pse[frm.pse_tos - 1].indent_tmp + indent_size; - } - else - { - frm.pse[frm.pse_tos].indent = pc->column + pc->len + 1; - } - frm.pse[frm.pse_tos].indent_tmp = frm.pse[frm.pse_tos].indent; - } - } - else if (pc->type == CT_RETURN) - { - /* don't count returns inside a () or [] */ - if (pc->level == pc->brace_level) - { - indent_pse_push(frm, pc); - frm.pse[frm.pse_tos].indent = frm.pse[frm.pse_tos - 1].indent + pc->len + 1; - frm.pse[frm.pse_tos].indent_tmp = frm.pse[frm.pse_tos - 1].indent; - } - } - else if (chunk_is_str(pc, "<<", 2)) - { - if (cout_col == 0) - { - cout_col = pc->column; - cout_level = pc->level; - } - } - else - { - /* anything else? */ - } - - - /** - * Indent the line if needed - */ - if (did_newline && !chunk_is_newline(pc) && (pc->len != 0)) - { - /** - * Check for special continuations. - * Note that some of these could be done as a stack item like - * everything else - */ - - prev = chunk_get_prev_ncnnl(pc); - if ((pc->type == CT_MEMBER) || - (pc->type == CT_DC_MEMBER) || - ((prev != NULL) && - ((prev->type == CT_MEMBER) || - (prev->type == CT_DC_MEMBER)))) - { - tmp = cpd.settings[UO_indent_member].n + indent_column; - LOG_FMT(LINDENT, "%s: %d] member => %d\n", - __func__, pc->orig_line, tmp); - reindent_line(pc, tmp); - } - else if (chunk_is_str(pc, "<<", 2) && (cout_col > 0)) - { - LOG_FMT(LINDENT, "%s: %d] cout_col => %d\n", - __func__, pc->orig_line, cout_col); - reindent_line(pc, cout_col); - } - else if ((vardefcol > 0) && - (pc->type == CT_WORD) && - ((pc->flags & PCF_VAR_DEF) != 0) && - (prev != NULL) && (prev->type == CT_COMMA)) - { - LOG_FMT(LINDENT, "%s: %d] Vardefcol => %d\n", - __func__, pc->orig_line, vardefcol); - reindent_line(pc, vardefcol); - } - else if ((pc->type == CT_STRING) && (prev->type == CT_STRING) && - cpd.settings[UO_indent_align_string].b) - { - LOG_FMT(LINDENT, "%s: %d] String => %d\n", - __func__, pc->orig_line, prev->column); - reindent_line(pc, prev->column); - } - else if (chunk_is_comment(pc)) - { - LOG_FMT(LINDENT, "%s: %d] comment => %d\n", - __func__, pc->orig_line, frm.pse[frm.pse_tos].indent_tmp); - indent_comment(pc, frm.pse[frm.pse_tos].indent_tmp); - } - else if (pc->type == CT_PREPROC) - { - /* Preprocs are always in column 1. See indent_preproc() */ - if (pc->column != 1) - { - reindent_line(pc, 1); - } - } - else - { - if (pc->column != indent_column) - { - LOG_FMT(LINDENT, "%s: %d] indent => %d [%.*s]\n", - __func__, pc->orig_line, indent_column, pc->len, pc->str); - reindent_line(pc, indent_column); - } - } - did_newline = false; - } - - /** - * Handle variable definition continuation indenting - */ - if ((pc->type == CT_WORD) && - ((pc->flags & PCF_IN_FCN_DEF) == 0) && - ((pc->flags & PCF_VAR_1ST_DEF) == PCF_VAR_1ST_DEF)) - { - vardefcol = pc->column; - } - if (chunk_is_semicolon(pc) || - ((pc->type == CT_BRACE_OPEN) && (pc->parent_type == CT_FUNCTION))) - { - vardefcol = 0; - } - - /* if we hit a newline, reset indent_tmp */ - if (chunk_is_newline(pc) || - (pc->type == CT_COMMENT_MULTI) || - (pc->type == CT_COMMENT_CPP)) - { - frm.pse[frm.pse_tos].indent_tmp = frm.pse[frm.pse_tos].indent; - - /** - * Handle the case of a multi-line #define w/o anything on the - * first line (indent_tmp will be 1 or 0) - */ - if ((pc->type == CT_NL_CONT) && - (frm.pse[frm.pse_tos].indent_tmp <= indent_size)) - { - frm.pse[frm.pse_tos].indent_tmp = indent_size + 1; - } - - /* Get ready to indent the next item */ - did_newline = true; - } - - if (!chunk_is_comment(pc) && !chunk_is_newline(pc)) - { - prev = pc; - } - pc = chunk_get_next(pc); - } - - /* Throw out any stuff inside a preprocessor - no need to warn */ - while ((frm.pse_tos > 0) && frm.pse[frm.pse_tos].in_preproc) - { - indent_pse_pop(frm, pc); - } - - for (idx = 1; idx <= frm.pse_tos; idx++) - { - LOG_FMT(LWARN, "%s:%d Unmatched %s\n", - cpd.filename, frm.pse[idx].open_line, - get_token_name(frm.pse[idx].type)); - cpd.error_count++; - } -} - -/** - * returns true if forward scan reveals only single newlines or comments - * stops when hits code - * false if next thing hit is a closing brace, also if 2 newlines in a row - */ - - -static bool single_line_comment_indent_rule_applies(chunk_t *start) -{ - chunk_t *pc = start; - int nl_count = 0; - if (!chunk_is_single_line_comment(pc)) - { - return(false); - } - /* scan forward, if only single newlines and comments before next line of code, we want to apply */ - while ((pc = chunk_get_next(pc)) != NULL) - { - if (chunk_is_newline(pc)) - { - if (nl_count > 0 || pc->nl_count > 1) - { - return(false); - } - - nl_count++; - } - else - { - nl_count = 0; - if (!chunk_is_single_line_comment(pc)) - { - /* here we check for things to run into that we wouldn't want to indent the comment for */ - /* for example, non-single line comment, closing brace */ - if (chunk_is_comment(pc) || chunk_is_closing_brace(pc)) - { - return(false); - } - - return(true); - } - } - } - - return(false); -} - -/** - * REVISIT: This needs to be re-checked, maybe cleaned up - * - * Indents comments in a (hopefully) smart manner. - * - * There are two type of comments that get indented: - * - stand alone (ie, no tokens on the line before the comment) - * - trailing comments (last token on the line apart from a linefeed) - * + note that a stand-alone comment is a special case of a trailing - * - * The stand alone comments will get indented in one of three ways: - * - column 1: - * + There is an empty line before the comment AND the indent level is 0 - * + The comment was originally in column 1 - * - * - Same column as trailing comment on previous line (ie, aligned) - * + if originally within TBD (3) columns of the previous comment - * - * - syntax indent level - * + doesn't fit in the previous categories - * - * Options modify this behavior: - * - keep original column (don't move the comment, if possible) - * - keep relative column (move out the same amount as first item on line) - * - fix trailing comment in column TBD - * - * @param pc The comment, which is the first item on a line - * @param col The column if this is to be put at indent level - */ -static void indent_comment(chunk_t *pc, int col) -{ - chunk_t *nl; - chunk_t *prev; - - LOG_FMT(LCMTIND, "%s: line %d, col %d, level %d: ", __func__, - pc->orig_line, pc->orig_col, pc->level); - - /* force column 1 comment to column 1 if not changing them */ - if ((pc->orig_col == 1) && !cpd.settings[UO_indent_col1_comment].b) - { - LOG_FMT(LCMTIND, "rule 1 - keep in col 1\n"); - pc->column = 1; - return; - } - - nl = chunk_get_prev(pc); - - /* outside of any expression or statement? */ - if (pc->level == 0) - { - if ((nl != NULL) && (nl->nl_count > 1)) - { - LOG_FMT(LCMTIND, "rule 2 - level 0, nl before\n"); - pc->column = 1; - return; - } - } - - prev = chunk_get_prev(nl); - if (chunk_is_comment(prev) && (nl->nl_count == 1)) - { - int coldiff = prev->orig_col - pc->orig_col; - - if ((coldiff <= 3) && (coldiff >= -3)) - { - pc->column = prev->column; - LOG_FMT(LCMTIND, "rule 3 - prev comment, coldiff = %d, now in %d\n", - coldiff, pc->column); - return; - } - } - /* check if special single line comment rule applies */ - if (cpd.settings[UO_indent_sing_line_comments].n > 0 && single_line_comment_indent_rule_applies(pc)) - { - pc->column = col + cpd.settings[UO_indent_sing_line_comments].n; - LOG_FMT(LCMTIND, "rule 4 - single line comment indent, now in %d\n", pc->column); - return; - } - LOG_FMT(LCMTIND, "rule 5 - fall-through, stay in %d\n", col); - - pc->column = col; -} - - -/** - * Put spaces on either side of the preproc (#) symbol. - * This is done by pointing pc->str into pp_str and adjusting the - * length. - */ -void indent_preproc(void) -{ - chunk_t *pc; - chunk_t *next; - int pp_level; - int pp_level_sub = 0; - int tmp; - - /* Define a string of 16 spaces + # + 16 spaces */ - static const char *pp_str = " # "; - static const char *alt_str = " %: "; - - /* Scan to see if the whole file is covered by one #ifdef */ - int stage = 0; - - for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next(pc)) - { - if (chunk_is_comment(pc) || chunk_is_newline(pc)) - { - continue; - } - - if (stage == 0) - { - /* Check the first PP, make sure it is an #if type */ - if (pc->type != CT_PREPROC) - { - break; - } - next = chunk_get_next(pc); - if ((next == NULL) || (next->type != CT_PP_IF)) - { - break; - } - stage = 1; - } - else if (stage == 1) - { - /* Scan until a PP at level 0 is found - the close to the #if */ - if ((pc->type == CT_PREPROC) && - (pc->pp_level == 0)) - { - stage = 2; - } - continue; - } - else if (stage == 2) - { - /* We should only see the rest of the preprocessor */ - if ((pc->type == CT_PREPROC) || - ((pc->flags & PCF_IN_PREPROC) == 0)) - { - stage = 0; - break; - } - } - } - - if (stage == 2) - { - LOG_FMT(LINFO, "The whole file is covered by a #IF\n"); - pp_level_sub = 1; - } - - for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next(pc)) - { - if (pc->type != CT_PREPROC) - { - continue; - } - - if (pc->column != 1) - { - /* Don't handle preprocessors that aren't in column 1 */ - LOG_FMT(LINFO, "%s: Line %d doesn't start in column 1 (%d)\n", - __func__, pc->orig_line, pc->column); - continue; - } - - /* point into pp_str */ - if (pc->len == 2) - { - /* alternate token crap */ - pc->str = &alt_str[16]; - } - else - { - pc->str = &pp_str[16]; - } - - pp_level = pc->pp_level - pp_level_sub; - if (pp_level < 0) - { - pp_level = 0; - } - else if (pp_level > 16) - { - pp_level = 16; - } - - /* Note that the indent is removed by default */ - if ((cpd.settings[UO_pp_indent].a & AV_ADD) != 0) - { - /* Need to add some spaces */ - pc->str -= pp_level; - pc->len += pp_level; - } - else if (cpd.settings[UO_pp_indent].a == AV_IGNORE) - { - tmp = (pc->orig_col <= 16) ? pc->orig_col - 1 : 16; - pc->str -= tmp; - pc->len += tmp; - } - - /* Add spacing by adjusting the length */ - if ((cpd.settings[UO_pp_space].a & AV_ADD) != 0) - { - pc->len += pp_level; - } - - next = chunk_get_next(pc); - if (next != NULL) - { - reindent_line(next, pc->len + 1); - } - - LOG_FMT(LPPIS, "%s: Indent line %d to %d (len %d, next->col %d)\n", - __func__, pc->orig_line, pp_level, pc->len, next->column); - } -} |