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/**
* @file combine_labels.cpp
*
* @author Guy Maurel
* @license GPL v2+
* extract from combine.h
*/
#include "combine_labels.h"
#include "chunk.h"
#include "cs_top_is_question.h"
#include "unc_tools.h"
#include "uncrustify.h"
Chunk *chunk_get_next_local(Chunk *pc, E_Scope scope = E_Scope::ALL)
{
Chunk *tmp = pc;
do
{
tmp = tmp->GetNext(scope);
} while ( tmp->IsNotNullChunk()
&& ( tmp->IsComment()
|| tmp->Is(CT_NOEXCEPT)));
return(tmp);
}
Chunk *chunk_get_prev_local(Chunk *pc, E_Scope scope = E_Scope::ALL)
{
Chunk *tmp = pc;
do
{
tmp = tmp->GetPrev(scope);
} while ( tmp->IsNotNullChunk()
&& ( tmp->IsCommentOrNewline()
|| tmp->Is(CT_NOEXCEPT)));
return(tmp);
}
void combine_labels()
{
LOG_FUNC_ENTRY();
bool hit_case = false;
bool hit_class = false;
cpd.unc_stage = unc_stage_e::COMBINE_LABELS;
// stack to handle nesting inside of OC messages, which reset the scope
ChunkStack cs;
Chunk *prev = Chunk::GetHead();
if (prev->IsNullChunk())
{
return;
}
Chunk *cur = prev->GetNextNc();
if (cur->IsNullChunk())
{
return;
}
Chunk *next = cur->GetNextNc();
// unlikely that the file will start with a label...
// prev cur next
while (next->IsNotNullChunk())
{
if (next->Is(CT_NEWLINE))
{
LOG_FMT(LFCN, "%s(%d): next orig line is %zu, orig col is %zu, <Newline>, nl is %zu\n",
__func__, __LINE__, next->GetOrigLine(), next->GetOrigCol(), next->GetNlCount());
}
else if (next->Is(CT_VBRACE_OPEN))
{
LOG_FMT(LFCN, "%s(%d): next orig line is %zu, orig col is %zu, VBRACE_OPEN\n",
__func__, __LINE__, next->GetOrigLine(), next->GetOrigCol());
}
else if (next->Is(CT_VBRACE_CLOSE))
{
LOG_FMT(LFCN, "%s(%d): next orig line is %zu, orig col is %zu, VBRACE_CLOSE\n",
__func__, __LINE__, next->GetOrigLine(), next->GetOrigCol());
}
else
{
LOG_FMT(LFCN, "%s(%d): next orig line is %zu, orig col is %zu, Text() '%s', type is %s\n",
__func__, __LINE__, next->GetOrigLine(), next->GetOrigCol(), next->Text(), get_token_name(next->GetType()));
}
E_Token pt = next->GetParentType(); // Issue #4042
if ( pt == CT_UNION
&& next->Is(CT_BRACE_OPEN))
{
Chunk *close_brace = next->GetClosingParen();
next = close_brace->GetNextNc();
continue;
}
if ( !next->TestFlags(PCF_IN_OC_MSG) // filter OC case of [self class] msg send
&& ( next->Is(CT_CLASS)
|| next->Is(CT_OC_CLASS)
|| next->Is(CT_TEMPLATE)))
{
hit_class = true;
}
if ( next->IsSemicolon()
|| next->Is(CT_BRACE_OPEN))
{
hit_class = false;
}
if ( prev->Is(CT_SQUARE_OPEN)
&& prev->GetParentType() == CT_OC_MSG)
{
cs.Push_Back(prev);
}
else if ( next->Is(CT_SQUARE_CLOSE)
&& next->GetParentType() == CT_OC_MSG)
{
// pop until we hit '['
while (!cs.Empty())
{
Chunk *t2 = cs.Top()->m_pc;
cs.Pop_Back();
if (t2->Is(CT_SQUARE_OPEN))
{
break;
}
}
}
if ( next->Is(CT_QUESTION)
&& !next->TestFlags(PCF_IN_TEMPLATE))
{
cs.Push_Back(next);
}
else if (next->Is(CT_CASE))
{
if (cur->Is(CT_GOTO))
{
// handle "goto case x;"
next->SetType(CT_QUALIFIER);
}
else
{
hit_case = true;
}
}
else if ( next->Is(CT_COLON)
|| ( next->Is(CT_OC_COLON)
&& cs_top_is_question(cs, next->GetLevel())))
{
if (cur->Is(CT_DEFAULT))
{
cur->SetType(CT_CASE);
hit_case = true;
}
if ( cs_top_is_question(cs, next->GetLevel())
&& !cur->Is(CT_OC_MSG_NAME)
&& next->TestFlags(PCF_IN_CONDITIONAL)) // Issue #3558
{
//log_pcf_flags(LFCN, next->GetFlags());
next->SetType(CT_COND_COLON);
cs.Pop_Back();
}
else if (hit_case)
{
hit_case = false;
next->SetType(CT_CASE_COLON);
Chunk *tmp = next->GetNextNcNnlNpp(); // Issue #2150
if (tmp->Is(CT_BRACE_OPEN))
{
tmp->SetParentType(CT_CASE);
tmp = tmp->GetNextType(CT_BRACE_CLOSE, tmp->GetLevel());
if (tmp->IsNotNullChunk())
{
tmp->SetParentType(CT_CASE);
}
}
if ( cur->Is(CT_NUMBER)
&& prev->Is(CT_ELLIPSIS))
{
Chunk *pre_elipsis = prev->GetPrevNcNnlNpp();
if (pre_elipsis->Is(CT_NUMBER))
{
prev->SetType(CT_CASE_ELLIPSIS);
}
}
}
else if (cur->TestFlags(PCF_IN_WHERE_SPEC))
{
/* leave colons in where-constraint clauses alone */
}
else
{
LOG_FMT(LFCN, "%s(%d): prev->Text() is '%s', orig line is %zu, orig col is %zu\n",
__func__, __LINE__, prev->Text(), prev->GetOrigLine(), prev->GetOrigCol());
LOG_FMT(LFCN, "%s(%d): cur->Text() is '%s', orig line is %zu, orig col is %zu\n",
__func__, __LINE__, cur->Text(), cur->GetOrigLine(), cur->GetOrigCol());
LOG_FMT(LFCN, "%s(%d): next->Text() is '%s', orig line is %zu, orig col is %zu\n",
__func__, __LINE__, next->Text(), next->GetOrigLine(), next->GetOrigCol());
Chunk *nextprev = chunk_get_prev_local(next); // Issue #2279
if (nextprev->IsNullChunk())
{
return;
}
if (language_is_set(LANG_PAWN))
{
if ( cur->Is(CT_WORD)
|| cur->Is(CT_BRACE_CLOSE))
{
E_Token new_type = CT_TAG;
Chunk *tmp = next->GetNextNc();
if (tmp->IsNullChunk())
{
return;
}
if ( prev->IsNewline()
&& tmp->IsNewline())
{
new_type = CT_LABEL;
next->SetType(CT_LABEL_COLON);
}
else
{
next->SetType(CT_TAG_COLON);
}
if (cur->Is(CT_WORD))
{
cur->SetType(new_type);
}
}
}
else if (next->TestFlags(PCF_IN_ARRAY_ASSIGN))
{
next->SetType(CT_D_ARRAY_COLON);
}
else if (next->TestFlags(PCF_IN_FOR))
{
next->SetType(CT_FOR_COLON);
}
else if (next->TestFlags(PCF_OC_BOXED))
{
next->SetType(CT_OC_DICT_COLON);
}
else if (cur->Is(CT_WORD))
{
Chunk *tmp = next->GetNextNc(E_Scope::PREPROC);
// Issue #1187
if (tmp->IsNullChunk())
{
return;
}
LOG_FMT(LFCN, "%s(%d): orig line is %zu, orig col is %zu, tmp '%s': ",
__func__, __LINE__, tmp->GetOrigLine(), tmp->GetOrigCol(),
(tmp->Is(CT_NEWLINE)) ? "<Newline>" : tmp->Text());
log_pcf_flags(LFCN, tmp->GetFlags());
if (next->TestFlags(PCF_IN_FCN_CALL))
{
// Must be a macro thingy, assume some sort of label
next->SetType(CT_LABEL_COLON);
}
else if ( tmp->IsNullChunk()
|| ( tmp->IsNot(CT_NUMBER)
&& tmp->IsNot(CT_DECLTYPE)
&& tmp->IsNot(CT_SIZEOF)
&& tmp->GetParentType() != CT_SIZEOF
&& !tmp->GetFlags().test_any(PCF_IN_STRUCT | PCF_IN_CLASS))
|| tmp->Is(CT_NEWLINE))
{
/*
* the CT_SIZEOF isn't great - test 31720 happens to use a sizeof expr,
* but this really should be able to handle any constant expr
*/
// Fix for #1242
// For MIDL_INTERFACE classes class name is tokenized as Label.
// Corrected the identification of Label in c style languages.
if ( language_is_set(LANG_C | LANG_CPP | LANG_CS)
&& (!language_is_set(LANG_OC)))
{
Chunk *labelPrev = prev;
if (labelPrev->Is(CT_NEWLINE))
{
labelPrev = prev->GetPrevNcNnlNi(); // Issue #2279
}
if ( labelPrev->IsNotNullChunk()
&& labelPrev->IsNot(CT_FPAREN_CLOSE))
{
cur->SetType(CT_LABEL);
next->SetType(CT_LABEL_COLON);
}
}
else
{
cur->SetType(CT_LABEL);
next->SetType(CT_LABEL_COLON);
}
}
else if (next->GetFlags().test_any(PCF_IN_STRUCT | PCF_IN_CLASS | PCF_IN_TYPEDEF))
{
next->SetType(CT_BIT_COLON);
Chunk *nnext = next->GetNext();
if (nnext->IsNullChunk())
{
return;
}
while ((nnext = nnext->GetNext())->IsNotNullChunk())
{
if (nnext->Is(CT_SEMICOLON))
{
break;
}
if (nnext->Is(CT_COLON))
{
nnext->SetType(CT_BIT_COLON);
}
}
}
}
else if (nextprev->Is(CT_FPAREN_CLOSE))
{
LOG_FMT(LFCN, "%s(%d): nextprev->Text() is '%s', orig line is %zu, orig col is %zu, type is %s\n",
__func__, __LINE__, nextprev->Text(), nextprev->GetOrigLine(), nextprev->GetOrigCol(),
get_token_name(nextprev->GetType()));
LOG_FMT(LFCN, "%s(%d): next->Text() is '%s', orig line is %zu, orig col is %zu, type is %s\n",
__func__, __LINE__, next->Text(), next->GetOrigLine(), next->GetOrigCol(),
get_token_name(next->GetType()));
// Issue #2172
if (next->GetParentType() == CT_FUNC_DEF)
{
LOG_FMT(LFCN, "%s(%d): it's a construct colon\n", __func__, __LINE__);
// it's a construct colon
next->SetType(CT_CONSTR_COLON);
}
else
{
LOG_FMT(LFCN, "%s(%d): it's a class colon\n", __func__, __LINE__);
// it's a class colon
next->SetType(CT_CLASS_COLON);
}
}
else if (next->GetLevel() > next->GetBraceLevel())
{
// ignore it, as it is inside a paren
}
else if ( cur->Is(CT_TYPE)
|| cur->Is(CT_ENUM) // Issue #2584
|| nextprev->Is(CT_TYPE)
|| nextprev->Is(CT_ENUM)) // Issue #2584
{
next->SetType(CT_BIT_COLON);
}
else if ( cur->Is(CT_ENUM)
|| cur->Is(CT_ACCESS)
|| cur->Is(CT_QUALIFIER)
|| cur->GetParentType() == CT_ALIGN)
{
// ignore it - bit field, align or public/private, etc
}
else if ( cur->Is(CT_ANGLE_CLOSE)
|| hit_class)
{
// ignore it - template thingy
}
else if (cur->GetParentType() == CT_SQL_EXEC)
{
// ignore it - SQL variable name
}
else if (next->GetParentType() == CT_ASSERT)
{
// ignore it - Java assert thing
}
else if (next->GetParentType() == CT_STRUCT)
{
// ignore it
}
else
{
Chunk *tmp = next->GetNextNcNnl();
//tmp = chunk_get_next_local(next);
if (tmp->IsNotNullChunk())
{
LOG_FMT(LFCN, "%s(%d): tmp->Text() is '%s', orig line is %zu, orig col is %zu, type is %s\n",
__func__, __LINE__, tmp->Text(), tmp->GetOrigLine(), tmp->GetOrigCol(),
get_token_name(tmp->GetType()));
if ( tmp->Is(CT_BASE)
|| tmp->Is(CT_THIS))
{
// ignore it, as it is a C# base thingy
}
else if (language_is_set(LANG_CS | LANG_D))
{
// there should be a better solution for that
}
else
{
LOG_FMT(LWARN, "%s(%d): %s:%zu unexpected colon in col %zu n-parent=%s c-parent=%s l=%zu bl=%zu\n",
__func__, __LINE__,
cpd.filename.c_str(), next->GetOrigLine(), next->GetOrigCol(),
get_token_name(next->GetParentType()),
get_token_name(cur->GetParentType()),
next->GetLevel(), next->GetBraceLevel());
if (language_is_set(LANG_OC))
{
// TO DO: what is to do? any expert?
}
else
{
exit(EX_SOFTWARE);
}
}
}
}
}
}
prev = cur;
cur = next;
next = chunk_get_next_local(next);
}
} // combine_labels