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/**
* @file align_func_params.cpp
*
* @author Guy Maurel
* split from align.cpp
* @author Ben Gardner
* @license GPL v2+
*/
#include "align_func_params.h"
#include "align_stack.h"
#include "log_rules.h"
#include <algorithm> // to get max
constexpr static auto LCURRENT = LALIGN;
using namespace uncrustify;
Chunk *align_func_param(Chunk *start)
{
LOG_FUNC_ENTRY();
LOG_FMT(LAS, "AlignStack::%s(%d): Candidate is '%s': orig line is %zu, column is %zu, type is %s, level is %zu\n",
__func__, __LINE__, start->Text(), start->GetOrigLine(), start->GetColumn(),
get_token_name(start->GetType()), start->GetLevel());
// 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
log_rule_B("align_func_params_span");
if (options::align_func_params_span() > 0)
{
myspan = options::align_func_params_span();
log_rule_B("align_func_params_thresh");
mythresh = options::align_func_params_thresh();
log_rule_B("align_func_params_gap");
mygap = options::align_func_params_gap();
}
const size_t HOW_MANY_AS = 16; // Issue #2921
AlignStack many_as[HOW_MANY_AS + 1];
size_t max_level_is = 0;
log_rule_B("align_var_def_star_style");
log_rule_B("align_var_def_amp_style");
for (size_t idx = 0; idx <= HOW_MANY_AS; idx++)
{
many_as[idx].Start(myspan, mythresh);
many_as[idx].m_gap = mygap;
many_as[idx].m_star_style = static_cast<AlignStack::StarStyle>(options::align_var_def_star_style());
many_as[idx].m_amp_style = static_cast<AlignStack::StarStyle>(options::align_var_def_amp_style());
}
size_t comma_count = 0;
size_t chunk_count = 0;
Chunk *pc = start;
while ((pc = pc->GetNext())->IsNotNullChunk())
{
chunk_count++;
LOG_CHUNK(LTOK, pc);
if (pc->Is(CT_FUNC_VAR)) // Issue #2278
{
// look after 'protect parenthesis'
Chunk *after = pc->GetNextNc();
if (after->Is(CT_PAREN_CLOSE))
{
Chunk *before = after->GetPrevType(CT_PAREN_OPEN, after->GetLevel());
if (before->IsNotNullChunk())
{
// these are 'protect parenthesis'
// change the types and the level
before->SetType(CT_PPAREN_OPEN);
after->SetType(CT_PPAREN_CLOSE);
pc->SetLevel(before->GetLevel());
Chunk *tmp = pc->GetPrevNc();
if (tmp->Is(CT_PTR_TYPE))
{
tmp->SetLevel(before->GetLevel());
}
}
}
}
if (pc->IsNewline())
{
comma_count = 0;
chunk_count = 0;
many_as[pc->GetLevel()].NewLines(pc->GetNlCount());
}
else if (pc->GetLevel() <= start->GetLevel())
{
break;
}
else if (pc->TestFlags(PCF_VAR_DEF))
{
if (chunk_count > 1)
{
if (pc->GetLevel() > HOW_MANY_AS)
{
fprintf(stderr, "%s(%d): Not enough memory for Stack\n",
__func__, __LINE__);
fprintf(stderr, "%s(%d): the current maximum is %zu\n",
__func__, __LINE__, HOW_MANY_AS);
log_flush(true);
exit(EX_SOFTWARE);
}
max_level_is = max(max_level_is, pc->GetLevel());
many_as[pc->GetLevel()].Add(pc);
}
}
else if (comma_count > 0)
{
if (!pc->IsComment())
{
comma_count = 2;
break;
}
}
else if (pc->Is(CT_COMMA))
{
if (pc->TestFlags(PCF_IN_TEMPLATE)) // Issue #2757
{
LOG_FMT(LFLPAREN, "%s(%d): comma is in template\n",
__func__, __LINE__);
}
else
{
Chunk *tmp_prev = pc->GetPrevNc();
if (!tmp_prev->IsNewline()) // don't count leading commas
{
comma_count++;
LOG_FMT(LFLPAREN, "%s(%d): comma_count is %zu\n",
__func__, __LINE__, comma_count);
}
}
}
}
if (comma_count <= 1)
{
for (size_t idx = 1; idx <= max_level_is; idx++)
{
many_as[idx].End();
}
}
return(pc);
} // align_func_param
void align_func_params()
{
LOG_FUNC_ENTRY();
Chunk *pc = Chunk::GetHead();
while ((pc = pc->GetNext())->IsNotNullChunk())
{
LOG_FMT(LFLPAREN, "%s(%d): orig line is %zu, orig col is %zu, Text() is '%s', type is %s, parent type is %s\n",
__func__, __LINE__, pc->GetOrigLine(), pc->GetOrigCol(), pc->Text(),
get_token_name(pc->GetType()), get_token_name(pc->GetParentType()));
if ( pc->IsNot(CT_FPAREN_OPEN)
|| ( pc->GetParentType() != CT_FUNC_PROTO
&& pc->GetParentType() != CT_FUNC_DEF
&& pc->GetParentType() != CT_FUNC_CLASS_PROTO
&& pc->GetParentType() != CT_FUNC_CLASS_DEF
&& pc->GetParentType() != CT_TYPEDEF))
{
continue;
}
// We are on a open parenthesis of a prototype
pc = align_func_param(pc);
}
} // void align_func_params
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