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/**
* @file align_assign.cpp
*
* @author Guy Maurel
* split from align.cpp
* @author Ben Gardner
* @license GPL v2+
*/
#include "align_assign.h"
#include "align_stack.h"
#include "log_rules.h"
constexpr static auto LCURRENT = LALASS;
using namespace uncrustify;
Chunk *align_assign(Chunk *first, size_t span, size_t thresh, size_t *p_nl_count)
{
LOG_FUNC_ENTRY();
if ( first == nullptr
|| first->IsNullChunk())
{
// 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->GetLevel();
char copy[1000];
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->ElidedText(copy), first->GetOrigLine(), 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 nl_count = 0;
size_t fcn_idx = 0;
size_t tmp;
Chunk *pc = first;
Chunk *vdas_pc = nullptr;
while (pc->IsNotNullChunk())
{
LOG_FMT(LALASS, "%s(%d): orig line is %zu, check pc->Text() is '%s', type is %s, m_parentType is %s\n",
__func__, __LINE__, pc->GetOrigLine(), pc->ElidedText(copy), get_token_name(pc->GetType()), get_token_name(pc->GetParentType()));
if (nl_count != 0)
{
if (vdas_pc != nullptr)
{
LOG_FMT(LALASS, "%s(%d): vdas.Add on '%s' on orig line %zu, orig col is %zu\n",
__func__, __LINE__, vdas_pc->Text(), vdas_pc->GetOrigLine(), vdas_pc->GetOrigCol());
vdas.Add(vdas_pc);
vdas_pc = nullptr;
}
if (p_nl_count != nullptr)
{
*p_nl_count += nl_count;
}
as.NewLines(nl_count);
vdas.NewLines(nl_count);
fcnProto.NewLines(nl_count);
for (auto &fcn : fcnDefault)
{
fcn.NewLines(nl_count);
}
fcn_idx = 0;
nl_count = 0;
var_def_cnt = 0;
equ_count = 0;
}
// Don't check inside SPAREN, PAREN or SQUARE groups
if ( pc->Is(CT_SPAREN_OPEN)
// || pc->Is(CT_FPAREN_OPEN) Issue #1340
|| pc->Is(CT_SQUARE_OPEN)
|| pc->Is(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->GetType()));
tmp = pc->GetOrigLine();
pc = pc->GetClosingParen();
if (pc->IsNotNullChunk())
{
nl_count = pc->GetOrigLine() - tmp;
}
continue;
}
// Recurse if a brace set is found
if ( ( pc->Is(CT_BRACE_OPEN)
|| pc->Is(CT_VBRACE_OPEN))
&& !(pc->GetParentType() == CT_BRACED_INIT_LIST))
{
size_t myspan;
size_t mythresh;
if (pc->GetParentType() == 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(pc->GetNext(), myspan, mythresh, &nl_count);
continue;
}
// Done with this brace set?
if ( ( pc->Is(CT_BRACE_CLOSE)
|| pc->Is(CT_VBRACE_CLOSE))
&& !(pc->GetParentType() == CT_BRACED_INIT_LIST))
{
pc = pc->GetNext();
break;
}
if (pc->IsNewline())
{
nl_count = pc->GetNlCount();
}
else if ( pc->TestFlags(PCF_VAR_DEF)
&& !pc->TestFlags(PCF_IN_CONST_ARGS) // Issue #1717
&& !pc->TestFlags(PCF_IN_FCN_DEF) // Issue #1717
&& !pc->TestFlags(PCF_IN_FCN_CALL)) // Issue #1717
{
// produces much more log output. Use it only debugging purpose
//LOG_FMT(LALASS, "%s(%d): log_pcf_flags pc->GetFlags():\n ", __func__, __LINE__);
//log_pcf_flags(LALASS, pc->GetFlags());
var_def_cnt++;
}
else if ( var_def_cnt > 1
&& !options::align_assign_on_multi_var_defs())
{
// we hit the second variable def and align was not requested - don't look for assigns, don't align
LOG_FMT(LALASS, "%s(%d): multiple var defs found and alignment was not requested\n",
__func__, __LINE__);
vdas_pc = nullptr;
}
else if ( equ_count == 0 // indent only if first '=' in line
&& !pc->TestFlags(PCF_IN_TEMPLATE) // and it is not inside a template #999
&& ( pc->Is(CT_ASSIGN)
|| pc->Is(CT_ASSIGN_DEFAULT_ARG)
|| pc->Is(CT_ASSIGN_FUNC_PROTO)))
{
if (pc->Is(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());
// produces much more log output. Use it only debugging purpose
//LOG_FMT(LALASS, "%s(%d): log_pcf_flags pc->GetFlags(): ", __func__, __LINE__);
//log_pcf_flags(LALASS, pc->GetFlags());
log_rule_B("align_assign_decl_func");
if ( options::align_assign_decl_func() == 0 // Align with other assignments (default)
&& ( pc->Is(CT_ASSIGN_DEFAULT_ARG) // Foo( int bar = 777 );
|| pc->Is(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->GetOrigLine(), pc->GetOrigCol());
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 (pc->Is(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->GetOrigLine(), pc->GetOrigCol());
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 (pc->Is(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->GetOrigLine(), pc->GetOrigCol());
fcnProto.Add(pc);
}
else if (pc->Is(CT_ASSIGN)) // Issue #2197
{
vdas_pc = pc;
}
}
else if ( options::align_assign_decl_func() == 2 // Don't align
&& ( pc->Is(CT_ASSIGN_DEFAULT_ARG) // Foo( int bar = 777 );
|| pc->Is(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)
{
vdas_pc = pc;
}
else
{
if (pc->Is(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->GetOrigLine(), pc->GetOrigCol());
as.Add(pc);
}
}
}
pc = pc->GetNext();
}
if (vdas_pc != nullptr)
{
LOG_FMT(LALASS, "%s(%d): vdas.Add on '%s' on orig line %zu, orig col is %zu\n",
__func__, __LINE__, vdas_pc->Text(), vdas_pc->GetOrigLine(), vdas_pc->GetOrigCol());
vdas.Add(vdas_pc);
vdas_pc = nullptr;
}
as.End();
vdas.End();
for (auto &fcn : fcnDefault)
{
fcn.End();
}
fcnProto.End();
if (pc->IsNotNullChunk())
{
LOG_FMT(LALASS, "%s(%d): done on '%s' on orig line %zu\n",
__func__, __LINE__, pc->Text(), pc->GetOrigLine());
}
else
{
LOG_FMT(LALASS, "%s(%d): done on NULL\n", __func__, __LINE__);
}
return(pc);
} // align_assign
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