/**
* Align '<<' (CT_ARITH?)
*/
static void align_left_shift(void)
{
chunk_t *pc;
chunk_t *start = NULL;
AlignStack as;
as.Start(2);
pc = chunk_get_head();
while (pc != NULL)
{
if (chunk_is_newline(pc))
{
as.NewLines(pc->nl_count);
}
else if ((start != NULL) && (pc->level < start->level))
{
/* A drop in level restarts the aligning */
as.Flush();
start = NULL;
}
else if ((start != NULL) && (pc->level > start->level))
{
/* Ignore any deeper levels when aligning */
}
else if (pc->type == CT_SEMICOLON)
{
/* A semicolon at the same level flushes */
as.Flush();
start = NULL;
}
else if (chunk_is_str(pc, "<<", 2))
{
if (as.m_aligned.Empty())
{
/* first one can be anywhere */
as.Add(pc);
start = pc;
}
else if (chunk_is_newline(chunk_get_prev(pc)))
{
/* subsequent ones must be after a newline */
as.Add(pc);
}
}
pc = chunk_get_next(pc);
}
as.End();
}
/**
* Aligns all function prototypes in the file.
*/
static void align_func_proto(int span)
{
chunk_t *pc;
bool look_bro = false;
AlignStack as;
AlignStack as_br;
LOG_FMT(LALIGN, "%s\n", __func__);
as.Start(span, 0);
as.m_gap = cpd.settings[UO_align_func_proto_gap].n;
as_br.Start(span, 0);
as_br.m_gap = cpd.settings[UO_align_single_line_brace_gap].n;
for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next(pc))
{
if (chunk_is_newline(pc))
{
look_bro = false;
as.NewLines(pc->nl_count);
as_br.NewLines(pc->nl_count);
}
else if ((pc->type == CT_FUNC_PROTO) ||
((pc->type == CT_FUNC_DEF) &&
cpd.settings[UO_align_single_line_func].b))
{
if ((pc->parent_type == CT_OPERATOR) &&
cpd.settings[UO_align_on_operator].b)
{
as.Add(chunk_get_prev_ncnl(pc));
}
else
{
as.Add(pc);
}
look_bro = (pc->type == CT_FUNC_DEF) &&
cpd.settings[UO_align_single_line_brace].b;
}
else if (look_bro &&
(pc->type == CT_BRACE_OPEN) &&
(pc->flags & PCF_ONE_LINER))
{
as_br.Add(pc);
look_bro = false;
}
}
as.End();
as_br.End();
}
/**
* Aligns simple typedefs that are contained on a single line each.
* This should be called after the typedef target is marked as a type.
*
* Won't align function typedefs.
*
* typedef int foo_t;
* typedef char bar_t;
* typedef const char cc_t;
*/
static void align_typedefs(int span)
{
chunk_t *pc;
chunk_t *c_type = NULL;
chunk_t *c_typedef = NULL;
AlignStack as;
as.Start(span);
as.m_gap = cpd.settings[UO_align_typedef_gap].n;
as.m_star_style = (AlignStack::StarStyle)cpd.settings[UO_align_typedef_star_style].n;
as.m_amp_style = (AlignStack::StarStyle)cpd.settings[UO_align_typedef_amp_style].n;
pc = chunk_get_head();
while (pc != NULL)
{
if (chunk_is_newline(pc))
{
as.NewLines(pc->nl_count);
c_typedef = NULL;
}
else if (c_typedef != NULL)
{
if (pc->flags & PCF_ANCHOR)
{
as.Add(pc);
c_typedef = NULL;
}
}
else
{
if (pc->type == CT_TYPEDEF)
{
LOG_FMT(LALTD, "%s: line %d, col %d\n",
__func__, pc->orig_line, pc->orig_col);
c_typedef = pc;
c_type = NULL;
}
}
pc = chunk_get_next(pc);
}
as.End();
}
/**
* Aligns all function prototypes in the file.
*/
static void align_oc_msg_spec(int span)
{
chunk_t *pc;
AlignStack as;
LOG_FMT(LALIGN, "%s\n", __func__);
as.Start(span, 0);
for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next(pc))
{
if (chunk_is_newline(pc))
{
as.NewLines(pc->nl_count);
}
else if (pc->type == CT_OC_MSG_SPEC)
{
as.Add(pc);
}
}
as.End();
}
/**
* Scan everything at the current level until the close brace and find the
* variable def align column. Also aligns bit-colons, but that assumes that
* bit-types are the same! But that should always be the case...
*/
static chunk_t *align_var_def_brace(chunk_t *start, int span, int *p_nl_count)
{
chunk_t *pc;
chunk_t *next;
chunk_t *prev;
UINT64 align_mask = PCF_IN_FCN_DEF | PCF_VAR_1ST;
int myspan = span;
int mythresh = 0;
int mygap = 0;
AlignStack as; /* var/proto/def */
AlignStack as_bc; /* bit-colon */
AlignStack as_at; /* attribute */
AlignStack as_br; /* one-liner brace open */
bool fp_active = cpd.settings[UO_align_mix_var_proto].b;
bool fp_look_bro = false;
if (start == NULL)
{
return(NULL);
}
/* Override the span, if this is a struct/union */
if ((start->parent_type == CT_STRUCT) ||
(start->parent_type == CT_UNION))
{
myspan = cpd.settings[UO_align_var_struct_span].n;
mythresh = cpd.settings[UO_align_var_struct_thresh].n;
mygap = cpd.settings[UO_align_var_struct_gap].n;
}
else
{
mythresh = cpd.settings[UO_align_var_def_thresh].n;
mygap = cpd.settings[UO_align_var_def_gap].n;
}
/* can't be any variable definitions in a "= {" block */
prev = chunk_get_prev_ncnl(start);
if ((prev != NULL) && (prev->type == CT_ASSIGN))
{
LOG_FMT(LAVDB, "%s: start=%.*s [%s] on line %d (abort due to assign)\n", __func__,
start->len, start->str, get_token_name(start->type), start->orig_line);
pc = chunk_get_next_type(start, CT_BRACE_CLOSE, start->level);
return(chunk_get_next_ncnl(pc));
}
LOG_FMT(LAVDB, "%s: start=%.*s [%s] on line %d\n", __func__,
start->len, start->str, get_token_name(start->type), start->orig_line);
if (!cpd.settings[UO_align_var_def_inline].b)
{
align_mask |= PCF_VAR_INLINE;
}
/* Set up the var/proto/def aligner */
as.Start(myspan, mythresh);
as.m_gap = mygap;
as.m_star_style = (AlignStack::StarStyle)cpd.settings[UO_align_var_def_star_style].n;
as.m_amp_style = (AlignStack::StarStyle)cpd.settings[UO_align_var_def_amp_style].n;
/* Set up the bit colon aligner */
as_bc.Start(myspan, 0);
as_bc.m_gap = cpd.settings[UO_align_var_def_colon_gap].n;
as_at.Start(myspan, 0);
/* Set up the brace open aligner */
as_br.Start(myspan, mythresh);
as_br.m_gap = cpd.settings[UO_align_single_line_brace_gap].n;
bool did_this_line = false;
pc = chunk_get_next(start);
while ((pc != NULL) && ((pc->level >= start->level) || (pc->level == 0)))
{
if (chunk_is_comment(pc))
{
if (pc->nl_count > 0)
{
as.NewLines(pc->nl_count);
as_bc.NewLines(pc->nl_count);
as_at.NewLines(pc->nl_count);
as_br.NewLines(pc->nl_count);
}
pc = chunk_get_next(pc);
continue;
}
if (fp_active)
{
if ((pc->type == CT_FUNC_PROTO) ||
((pc->type == CT_FUNC_DEF) &&
cpd.settings[UO_align_single_line_func].b))
{
LOG_FMT(LAVDB, " add=[%.*s] line=%d col=%d level=%d\n",
pc->len, pc->str, pc->orig_line, pc->orig_col, pc->level);
as.Add(pc);
fp_look_bro = (pc->type == CT_FUNC_DEF) &&
cpd.settings[UO_align_single_line_brace].b;
}
else if (fp_look_bro &&
(pc->type == CT_BRACE_OPEN) &&
(pc->flags & PCF_ONE_LINER))
{
as_br.Add(pc);
fp_look_bro = false;
}
}
/* process nested braces */
if (pc->type == CT_BRACE_OPEN)
{
int sub_nl_count = 0;
pc = align_var_def_brace(pc, span, &sub_nl_count);
if (sub_nl_count > 0)
{
fp_look_bro = false;
did_this_line = false;
as.NewLines(sub_nl_count);
as_bc.NewLines(sub_nl_count);
as_at.NewLines(sub_nl_count);
as_br.NewLines(sub_nl_count);
if (p_nl_count != NULL)
{
*p_nl_count += sub_nl_count;
}
}
continue;
}
/* Done with this brace set? */
if (pc->type == CT_BRACE_CLOSE)
{
pc = chunk_get_next(pc);
break;
}
if (chunk_is_newline(pc))
{
fp_look_bro = false;
did_this_line = false;
as.NewLines(pc->nl_count);
as_bc.NewLines(pc->nl_count);
as_at.NewLines(pc->nl_count);
as_br.NewLines(pc->nl_count);
if (p_nl_count != NULL)
{
*p_nl_count += pc->nl_count;
}
}
/* don't align stuff inside parens/squares/angles */
if (pc->level > pc->brace_level)
{
pc = chunk_get_next(pc);
continue;
}
/* If this is a variable def, update the max_col */
if ((pc->type != CT_FUNC_CLASS) &&
((pc->flags & align_mask) == PCF_VAR_1ST) &&
((pc->level == (start->level + 1)) ||
(pc->level == 0)))
{
if (!did_this_line)
{
LOG_FMT(LAVDB, " add=[%.*s] line=%d col=%d level=%d\n",
pc->len, pc->str, pc->orig_line, pc->orig_col, pc->level);
as.Add(pc);
if (cpd.settings[UO_align_var_def_colon].b)
{
next = chunk_get_next_nc(pc);
if (next->type == CT_BIT_COLON)
{
as_bc.Add(next);
}
}
if (cpd.settings[UO_align_var_def_attribute].b)
{
next = pc;
while ((next = chunk_get_next_nc(next)) != NULL)
{
if (next->type == CT_ATTRIBUTE)
{
as_at.Add(next);
break;
}
if ((next->type == CT_SEMICOLON) || chunk_is_newline(next))
{
break;
}
}
}
}
did_this_line = true;
}
else if (pc->type == CT_BIT_COLON)
{
if (!did_this_line)
{
as_bc.Add(pc);
did_this_line = true;
}
}
pc = chunk_get_next(pc);
}
as.End();
as_bc.End();
as_at.End();
as_br.End();
return(pc);
}
/**
* Aligns all assignment operators on the same level as first, starting with
* first.
*
* For variable definitions, only consider the '=' for the first variable.
* Otherwise, only look at the first '=' on the line.
*/
chunk_t *align_assign(chunk_t *first, int span, int thresh)
{
int my_level;
chunk_t *pc;
int tmp;
int var_def_cnt = 0;
int equ_count = 0;
if (first == NULL)
{
return(NULL);
}
my_level = first->level;
if (span <= 0)
{
return(chunk_get_next(first));
}
LOG_FMT(LALASS, "%s[%d]: checking %.*s on line %d - span=%d thresh=%d\n",
__func__, my_level, first->len, first->str, first->orig_line,
span, thresh);
AlignStack as; // regular assigns
AlignStack vdas; // variable def assigns
as.Start(span, thresh);
as.m_right_align = true;
vdas.Start(span, thresh);
vdas.m_right_align = true;
pc = first;
while ((pc != NULL) && ((pc->level >= my_level) || (pc->level == 0)))
{
/* Don't check inside PAREN or SQUARE groups */
if ((pc->type == CT_SPAREN_OPEN) ||
(pc->type == CT_FPAREN_OPEN) ||
(pc->type == CT_SQUARE_OPEN) ||
(pc->type == CT_PAREN_OPEN))
{
tmp = pc->orig_line;
pc = chunk_skip_to_match(pc);
if (pc != NULL)
{
as.NewLines(pc->orig_line - tmp);
vdas.NewLines(pc->orig_line - tmp);
}
continue;
}
/* Recurse if a brace set is found */
if ((pc->type == CT_BRACE_OPEN) ||
(pc->type == CT_VBRACE_OPEN))
{
int myspan;
int mythresh;
tmp = pc->orig_line;
if (pc->parent_type == CT_ENUM)
{
myspan = cpd.settings[UO_align_enum_equ_span].n;
mythresh = cpd.settings[UO_align_enum_equ_thresh].n;
}
else
{
myspan = cpd.settings[UO_align_assign_span].n;
mythresh = cpd.settings[UO_align_assign_thresh].n;
}
pc = align_assign(chunk_get_next_ncnl(pc), myspan, mythresh);
if (pc != NULL)
{
/* do a rough count of the number of lines just spanned */
as.NewLines(pc->orig_line - tmp);
vdas.NewLines(pc->orig_line - tmp);
}
continue;
}
if (chunk_is_newline(pc))
{
as.NewLines(pc->nl_count);
vdas.NewLines(pc->nl_count);
var_def_cnt = 0;
equ_count = 0;
}
else if ((pc->flags & PCF_VAR_DEF) != 0)
{
var_def_cnt++;
}
else if (var_def_cnt > 1)
{
/* we hit the second variable def - don't look for assigns */
}
else if ((equ_count == 0) && (pc->type == CT_ASSIGN))
{
//fprintf(stderr, "%s: ** %s level=%d line=%d col=%d prev=%d count=%d\n",
// __func__, pc->str, pc->level, pc->orig_line, pc->orig_col, prev_equ_type,
// equ_count);
equ_count++;
if (var_def_cnt != 0)
{
vdas.Add(pc);
}
else
{
as.Add(pc);
}
}
pc = chunk_get_next(pc);
}
as.End();
vdas.End();
if (pc != NULL)
{
LOG_FMT(LALASS, "%s: done on %.*s on line %d\n",
__func__, pc->len, pc->str, pc->orig_line);
}
else
{
LOG_FMT(LALASS, "%s: done on NULL\n", __func__);
}
return(pc);
}
/**
* Scans the whole file for #defines. Aligns all within X lines of each other
*/
void align_preprocessor(void)
{
chunk_t *pc;
AlignStack as; // value macros
AlignStack asf; // function macros
AlignStack *cur_as = &as;
as.Start(cpd.settings[UO_align_pp_define_span].n);
as.m_gap = cpd.settings[UO_align_pp_define_gap].n;
asf.Start(cpd.settings[UO_align_pp_define_span].n);
asf.m_gap = cpd.settings[UO_align_pp_define_gap].n;
pc = chunk_get_head();
while (pc != NULL)
{
/* Note: not counting back-slash newline combos */
if (pc->type == CT_NEWLINE)
{
as.NewLines(pc->nl_count);
asf.NewLines(pc->nl_count);
}
/* If we aren't on a 'define', then skip to the next non-comment */
if (pc->type != CT_PP_DEFINE)
{
pc = chunk_get_next_nc(pc);
continue;
}
/* step past the 'define' */
pc = chunk_get_next_nc(pc);
if (pc == NULL)
{
break;
}
LOG_FMT(LALPP, "%s: define (%.*s) on line %d col %d\n",
__func__, pc->len, pc->str, pc->orig_line, pc->orig_col);
cur_as = &as;
if (pc->type == CT_MACRO_FUNC)
{
cur_as = &asf;
/* Skip to the close paren */
pc = chunk_get_next_nc(pc); // point to open (
pc = chunk_get_next_type(pc, CT_FPAREN_CLOSE, pc->level);
LOG_FMT(LALPP, "%s: jumped to (%.*s) on line %d col %d\n",
__func__, pc->len, pc->str, pc->orig_line, pc->orig_col);
}
/* step to the value past the close paren or the macro name */
pc = chunk_get_next(pc);
if (pc == NULL)
{
break;
}
/* don't align anything if the first line ends with a newline before
* a value is given */
if (!chunk_is_newline(pc))
{
LOG_FMT(LALPP, "%s: align on '%.*s', line %d col %d\n",
__func__, pc->len, pc->str, pc->orig_line, pc->orig_col);
cur_as->Add(pc);
}
}
as.End();
asf.End();
}
/**
* Aligns OC declarations on the colon
* -(void) doSomething: (NSString*) param1
* with: (NSString*) param2
*/
static void align_oc_decl_colon(void)
{
chunk_t *pc = chunk_get_head();
chunk_t *tmp;
chunk_t *tmp2;
AlignStack cas; /* for the colons */
AlignStack nas; /* for the parameter label */
int level;
bool did_line;
cas.Start(4);
nas.Start(4);
nas.m_right_align = true;
while (pc != NULL)
{
if (pc->type != CT_OC_SCOPE)
{
pc = chunk_get_next(pc);
continue;
}
nas.Reset();
cas.Reset();
level = pc->level;
pc = chunk_get_next_ncnl(pc, CNAV_PREPROC);
did_line = false;
while ((pc != NULL) && (pc->level >= level))
{
/* The decl ends with an open brace or semicolon */
if ((pc->type == CT_BRACE_OPEN) || chunk_is_semicolon(pc))
{
break;
}
if (chunk_is_newline(pc))
{
nas.NewLines(pc->nl_count);
cas.NewLines(pc->nl_count);
did_line = false;
}
else if (!did_line && (pc->type == CT_OC_COLON))
{
cas.Add(pc);
tmp = chunk_get_prev(pc, CNAV_PREPROC);
tmp2 = chunk_get_prev_ncnl(tmp, CNAV_PREPROC);
/* Check for an un-labeled parameter */
if ((tmp != NULL) &&
(tmp2 != NULL)
&&
((tmp->type == CT_WORD) ||
(tmp->type == CT_TYPE) ||
(tmp->type == CT_OC_MSG_DECL))
&&
((tmp2->type == CT_WORD) ||
(tmp2->type == CT_TYPE) ||
(tmp2->type == CT_PAREN_CLOSE)))
{
nas.Add(tmp);
}
did_line = true;
}
pc = chunk_get_next(pc, CNAV_PREPROC);
}
nas.End();
cas.End();
}
}
chunk_t *align_func_param(chunk_t *start)
{
LOG_FUNC_ENTRY();
// Defaults, if the align_func_params = true
size_t myspan = 2;
size_t mythresh = 0;
size_t mygap = 0;
// Override, if the align_func_params_span > 0
if (options::align_func_params_span() > 0)
{
myspan = options::align_func_params_span();
mythresh = options::align_func_params_thresh();
mygap = options::align_func_params_gap();
}
AlignStack as;
as.Start(myspan, mythresh);
as.m_gap = mygap;
as.m_star_style = static_cast<AlignStack::StarStyle>(options::align_var_def_star_style());
as.m_amp_style = static_cast<AlignStack::StarStyle>(options::align_var_def_amp_style());
bool did_this_line = false;
size_t comma_count = 0;
size_t chunk_count = 0;
chunk_t *pc = start;
while ((pc = chunk_get_next(pc)) != nullptr)
{
chunk_count++;
if (chunk_is_newline(pc))
{
did_this_line = false;
comma_count = 0;
chunk_count = 0;
as.NewLines(pc->nl_count);
}
else if (pc->level <= start->level)
{
break;
}
else if (!did_this_line && (pc->flags & PCF_VAR_DEF))
{
if (chunk_count > 1)
{
as.Add(pc);
}
did_this_line = true;
}
else if (comma_count > 0)
{
if (!chunk_is_comment(pc))
{
comma_count = 2;
break;
}
}
else if (chunk_is_token(pc, CT_COMMA))
{
chunk_t *tmp_prev = chunk_get_prev_nc(pc);
if (!chunk_is_newline(tmp_prev)) // don't count leading commas
{
comma_count++;
}
}
}
if (comma_count <= 1)
{
as.End();
}
return(pc);
} // align_func_param