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/**
* @file align_assign.cpp
*
* @author Guy Maurel
* split from align.cpp
* @author Ben Gardner
* @license GPL v2+
*/
#include <deque>
#include "align_assign.h"
#include "align_stack.h"
#include "log_rules.h"
#include "uncrustify.h"
using namespace uncrustify;
chunk_t *align_assign(chunk_t *first, size_t span, size_t thresh, size_t *p_nl_count)
{
LOG_FUNC_ENTRY();
if (first == nullptr)
{
// coveralls will complain here. There are no example for that.
// see https://en.wikipedia.org/wiki/Robustness_principle
return(nullptr);
}
size_t my_level = first->level;
LOG_FMT(LALASS, "%s(%d): [my_level is %zu]: start checking with '%s', on orig_line %zu, span is %zu, thresh is %zu\n",
__func__, __LINE__, my_level, first->text(), first->orig_line, span, thresh);
// If we are aligning on a tabstop, we shouldn't right-align
AlignStack as; // regular assigns
as.Start(span, thresh);
log_rule_B("align_on_tabstop");
as.m_right_align = !options::align_on_tabstop();
AlignStack vdas; // variable def assigns
vdas.Start(span, thresh);
vdas.m_right_align = as.m_right_align;
std::deque<AlignStack> fcnDefault(1);
fcnDefault.back().Start(span, thresh);
fcnDefault.back().m_right_align = as.m_right_align;
AlignStack fcnProto;
fcnProto.Start(span, thresh);
fcnProto.m_right_align = as.m_right_align;
size_t var_def_cnt = 0;
size_t equ_count = 0;
size_t fcn_idx = 0;
size_t tmp;
chunk_t *pc = first;
while (pc != nullptr)
{
LOG_FMT(LALASS, "%s(%d): orig_line is %zu, check pc->text() '%s', type is %s, parent_type is %s\n",
__func__, __LINE__, pc->orig_line, pc->text(), get_token_name(pc->type), get_token_name(get_chunk_parent_type(pc)));
// Don't check inside SPAREN, PAREN or SQUARE groups
if ( chunk_is_token(pc, CT_SPAREN_OPEN)
// || chunk_is_token(pc, CT_FPAREN_OPEN) Issue #1340
|| chunk_is_token(pc, CT_SQUARE_OPEN)
|| chunk_is_token(pc, CT_PAREN_OPEN))
{
LOG_FMT(LALASS, "%s(%d): Don't check inside SPAREN, PAREN or SQUARE groups, type is %s\n",
__func__, __LINE__, get_token_name(pc->type));
tmp = pc->orig_line;
pc = chunk_skip_to_match(pc);
if (pc != nullptr)
{
as.NewLines(pc->orig_line - tmp);
vdas.NewLines(pc->orig_line - tmp);
if (pc->orig_line != tmp)
{
fcn_idx = 0;
for (auto &fcn : fcnDefault)
{
fcn.NewLines(pc->orig_line - tmp);
}
}
fcnProto.NewLines(pc->orig_line - tmp);
}
continue;
}
// Recurse if a brace set is found
if (chunk_is_token(pc, CT_BRACE_OPEN) || chunk_is_token(pc, CT_VBRACE_OPEN))
{
size_t myspan;
size_t mythresh;
size_t sub_nl_count = 0;
if (get_chunk_parent_type(pc) == CT_ENUM)
{
log_rule_B("align_enum_equ_span");
myspan = options::align_enum_equ_span();
log_rule_B("align_enum_equ_thresh");
mythresh = options::align_enum_equ_thresh();
}
else
{
log_rule_B("align_assign_span");
myspan = options::align_assign_span();
log_rule_B("align_assign_thresh");
mythresh = options::align_assign_thresh();
}
pc = align_assign(chunk_get_next_ncnl(pc), myspan, mythresh, &sub_nl_count);
if (sub_nl_count > 0)
{
as.NewLines(sub_nl_count);
vdas.NewLines(sub_nl_count);
fcn_idx = 0;
for (auto &fcn : fcnDefault)
{
fcn.NewLines(sub_nl_count);
}
fcnProto.NewLines(sub_nl_count);
if (p_nl_count != nullptr)
{
*p_nl_count += sub_nl_count;
}
}
continue;
}
// Done with this brace set?
if (chunk_is_token(pc, CT_BRACE_CLOSE) || chunk_is_token(pc, CT_VBRACE_CLOSE))
{
pc = chunk_get_next(pc);
break;
}
if (chunk_is_newline(pc))
{
as.NewLines(pc->nl_count);
vdas.NewLines(pc->nl_count);
fcn_idx = 0;
for (auto &fcn : fcnDefault)
{
fcn.NewLines(pc->nl_count);
}
fcnProto.NewLines(pc->nl_count);
if (p_nl_count != nullptr)
{
*p_nl_count += pc->nl_count;
}
var_def_cnt = 0;
equ_count = 0;
}
else if ( pc->flags.test(PCF_VAR_DEF)
&& !pc->flags.test(PCF_IN_CONST_ARGS) // Issue #1717
&& !pc->flags.test(PCF_IN_FCN_DEF) // Issue #1717
&& !pc->flags.test(PCF_IN_FCN_CALL)) // Issue #1717
{
LOG_FMT(LALASS, "%s(%d): log_pcf_flags pc->flags:\n ", __func__, __LINE__);
log_pcf_flags(LALASS, pc->flags);
var_def_cnt++;
}
else if (var_def_cnt > 1)
{
// we hit the second variable def - don't look for assigns, don't align
vdas.Reset();
}
else if ( equ_count == 0 // indent only if first '=' in line
&& !pc->flags.test(PCF_IN_TEMPLATE) // and it is not inside a template #999
&& ( chunk_is_token(pc, CT_ASSIGN)
|| chunk_is_token(pc, CT_ASSIGN_DEFAULT_ARG)
|| chunk_is_token(pc, CT_ASSIGN_FUNC_PROTO)))
{
if (chunk_is_token(pc, CT_ASSIGN)) // Issue #2236
{
equ_count++;
}
LOG_FMT(LALASS, "%s(%d): align_assign_decl_func() is %d\n",
__func__, __LINE__, options::align_assign_decl_func());
LOG_FMT(LALASS, "%s(%d): log_pcf_flags pc->flags: ", __func__, __LINE__);
log_pcf_flags(LALASS, pc->flags);
log_rule_B("align_assign_decl_func");
if ( options::align_assign_decl_func() == 0 // Align with other assignments (default)
&& ( chunk_is_token(pc, CT_ASSIGN_DEFAULT_ARG) // Foo( int bar = 777 );
|| chunk_is_token(pc, CT_ASSIGN_FUNC_PROTO))) // Foo( const Foo & ) = delete;
{
LOG_FMT(LALASS, "%s(%d): fcnDefault[%zu].Add on '%s' on orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, fcn_idx, pc->text(), pc->orig_line, pc->orig_col);
if (++fcn_idx == fcnDefault.size())
{
fcnDefault.emplace_back();
fcnDefault.back().Start(span, thresh);
fcnDefault.back().m_right_align = as.m_right_align;
}
fcnDefault[fcn_idx].Add(pc);
}
else if (options::align_assign_decl_func() == 1) // Align with each other
{
log_rule_B("align_assign_decl_func");
if (chunk_is_token(pc, CT_ASSIGN_DEFAULT_ARG)) // Foo( int bar = 777 );
{
LOG_FMT(LALASS, "%s(%d): default: fcnDefault[%zu].Add on '%s' on orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, fcn_idx, pc->text(), pc->orig_line, pc->orig_col);
if (++fcn_idx == fcnDefault.size())
{
fcnDefault.emplace_back();
fcnDefault.back().Start(span, thresh);
fcnDefault.back().m_right_align = as.m_right_align;
}
fcnDefault[fcn_idx].Add(pc);
}
else if (chunk_is_token(pc, CT_ASSIGN_FUNC_PROTO)) // Foo( const Foo & ) = delete;
{
LOG_FMT(LALASS, "%s(%d): proto: fcnProto.Add on '%s' on orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, pc->text(), pc->orig_line, pc->orig_col);
fcnProto.Add(pc);
}
else if (chunk_is_token(pc, CT_ASSIGN)) // Issue #2197
{
LOG_FMT(LALASS, "%s(%d): vdas.Add on '%s' on orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, pc->text(), pc->orig_line, pc->orig_col);
vdas.Add(pc);
}
}
else if ( options::align_assign_decl_func() == 2 // Don't align
&& ( chunk_is_token(pc, CT_ASSIGN_DEFAULT_ARG) // Foo( int bar = 777 );
|| chunk_is_token(pc, CT_ASSIGN_FUNC_PROTO))) // Foo( const Foo & ) = delete;
{
log_rule_B("align_assign_decl_func");
LOG_FMT(LALASS, "%s(%d): Don't align\n", // Issue #2236
__func__, __LINE__);
}
else if (var_def_cnt != 0)
{
LOG_FMT(LALASS, "%s(%d): vdas.Add on '%s' on orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, pc->text(), pc->orig_line, pc->orig_col);
vdas.Add(pc);
}
else
{
if (chunk_is_token(pc, CT_ASSIGN))
{
LOG_FMT(LALASS, "%s(%d): as.Add on '%s' on orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, pc->text(), pc->orig_line, pc->orig_col);
as.Add(pc);
}
}
}
pc = chunk_get_next(pc);
}
as.End();
vdas.End();
for (auto &fcn : fcnDefault)
{
fcn.End();
}
fcnProto.End();
if (pc != nullptr)
{
LOG_FMT(LALASS, "%s(%d): done on '%s' on orig_line %zu\n",
__func__, __LINE__, pc->text(), pc->orig_line);
}
else
{
LOG_FMT(LALASS, "%s(%d): done on NULL\n", __func__, __LINE__);
}
return(pc);
} // align_assign
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