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|
/**
* @file combine_labels.cpp
*
* @author Guy Maurel
* @license GPL v2+
* extract from combine.h
*/
#include "combine_labels.h"
#include "chunk_list.h"
#include "cs_top_is_question.h"
#include "uncrustify.h"
chunk_t *chunk_get_next_local(chunk_t *pc, scope_e scope = scope_e::ALL)
{
chunk_t *tmp = pc;
do
{
tmp = chunk_get_next(tmp, scope);
} while ( tmp != nullptr
&& ( chunk_is_comment(tmp)
|| chunk_is_token(tmp, CT_NOEXCEPT)));
return(tmp);
}
chunk_t *chunk_get_prev_local(chunk_t *pc, scope_e scope = scope_e::ALL)
{
chunk_t *tmp = pc;
do
{
tmp = chunk_get_prev(tmp, scope);
} while ( tmp != nullptr
&& ( chunk_is_comment(tmp)
|| chunk_is_newline(tmp)
|| chunk_is_token(tmp, CT_NOEXCEPT)));
return(tmp);
}
void combine_labels(void)
{
LOG_FUNC_ENTRY();
chunk_t *cur;
chunk_t *prev;
chunk_t *next;
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;
prev = chunk_get_head();
if (prev == nullptr)
{
return;
}
cur = chunk_get_next_nc(prev);
if (cur == nullptr)
{
return;
}
next = chunk_get_next_nc(cur);
// unlikely that the file will start with a label...
// prev cur next
while (next != nullptr)
{
if (chunk_is_token(next, CT_NEWLINE))
{
LOG_FMT(LFCN, "%s(%d): next->orig_line is %zu, next->orig_col is %zu, <Newline>, nl is %zu\n",
__func__, __LINE__, next->orig_line, next->orig_col, next->nl_count);
}
else if (chunk_is_token(next, CT_VBRACE_OPEN))
{
LOG_FMT(LFCN, "%s(%d): next->orig_line is %zu, next->orig_col is %zu, VBRACE_OPEN\n",
__func__, __LINE__, next->orig_line, next->orig_col);
}
else if (chunk_is_token(next, CT_VBRACE_CLOSE))
{
LOG_FMT(LFCN, "%s(%d): next->orig_line is %zu, next->orig_col is %zu, VBRACE_CLOSE\n",
__func__, __LINE__, next->orig_line, next->orig_col);
}
else
{
LOG_FMT(LFCN, "%s(%d): next->orig_line is %zu, next->orig_col is %zu, text() '%s'\n",
__func__, __LINE__, next->orig_line, next->orig_col, next->text());
}
if ( !next->flags.test(PCF_IN_OC_MSG) // filter OC case of [self class] msg send
&& ( chunk_is_token(next, CT_CLASS)
|| chunk_is_token(next, CT_OC_CLASS)
|| chunk_is_token(next, CT_TEMPLATE)))
{
hit_class = true;
}
if ( chunk_is_semicolon(next)
|| chunk_is_token(next, CT_BRACE_OPEN))
{
hit_class = false;
}
if ( chunk_is_token(prev, CT_SQUARE_OPEN)
&& get_chunk_parent_type(prev) == CT_OC_MSG)
{
cs.Push_Back(prev);
}
else if ( chunk_is_token(next, CT_SQUARE_CLOSE)
&& get_chunk_parent_type(next) == CT_OC_MSG)
{
// pop until we hit '['
while (!cs.Empty())
{
chunk_t *t2 = cs.Top()->m_pc;
cs.Pop_Back();
if (chunk_is_token(t2, CT_SQUARE_OPEN))
{
break;
}
}
}
if ( chunk_is_token(next, CT_QUESTION)
&& !next->flags.test(PCF_IN_TEMPLATE))
{
cs.Push_Back(next);
}
else if (chunk_is_token(next, CT_CASE))
{
if (chunk_is_token(cur, CT_GOTO))
{
// handle "goto case x;"
set_chunk_type(next, CT_QUALIFIER);
}
else
{
hit_case = true;
}
}
else if ( chunk_is_token(next, CT_COLON)
|| ( chunk_is_token(next, CT_OC_COLON)
&& cs_top_is_question(cs, next->level)))
{
if (chunk_is_token(cur, CT_DEFAULT))
{
set_chunk_type(cur, CT_CASE);
hit_case = true;
}
if (cs_top_is_question(cs, next->level))
{
set_chunk_type(next, CT_COND_COLON);
cs.Pop_Back();
}
else if (hit_case)
{
hit_case = false;
set_chunk_type(next, CT_CASE_COLON);
chunk_t *tmp = chunk_get_next_ncnnlnp(next); // Issue #2150
if (chunk_is_token(tmp, CT_BRACE_OPEN))
{
set_chunk_parent(tmp, CT_CASE);
tmp = chunk_get_next_type(tmp, CT_BRACE_CLOSE, tmp->level);
if (tmp != nullptr)
{
set_chunk_parent(tmp, CT_CASE);
}
}
if ( chunk_is_token(cur, CT_NUMBER)
&& chunk_is_token(prev, CT_ELLIPSIS))
{
chunk_t *pre_elipsis = chunk_get_prev_ncnnlnp(prev);
if (chunk_is_token(pre_elipsis, CT_NUMBER))
{
set_chunk_type(prev, CT_CASE_ELLIPSIS);
}
}
}
else if (cur->flags.test(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->orig_line, prev->orig_col);
LOG_FMT(LFCN, "%s(%d): cur->text() is '%s', orig_line is %zu, orig_col is %zu\n",
__func__, __LINE__, cur->text(), cur->orig_line, cur->orig_col);
LOG_FMT(LFCN, "%s(%d): next->text() is '%s', orig_line is %zu, orig_col is %zu\n",
__func__, __LINE__, next->text(), next->orig_line, next->orig_col);
chunk_t *nextprev = chunk_get_prev_local(next); // Issue #2279
if (nextprev == nullptr)
{
return;
}
if (language_is_set(LANG_PAWN))
{
if ( chunk_is_token(cur, CT_WORD)
|| chunk_is_token(cur, CT_BRACE_CLOSE))
{
c_token_t new_type = CT_TAG;
chunk_t *tmp = chunk_get_next_nc(next);
if (tmp == nullptr)
{
return;
}
if ( chunk_is_newline(prev)
&& chunk_is_newline(tmp))
{
new_type = CT_LABEL;
set_chunk_type(next, CT_LABEL_COLON);
}
else
{
set_chunk_type(next, CT_TAG_COLON);
}
if (chunk_is_token(cur, CT_WORD))
{
set_chunk_type(cur, new_type);
}
}
}
else if (next->flags.test(PCF_IN_ARRAY_ASSIGN))
{
set_chunk_type(next, CT_D_ARRAY_COLON);
}
else if (next->flags.test(PCF_IN_FOR))
{
set_chunk_type(next, CT_FOR_COLON);
}
else if (next->flags.test(PCF_OC_BOXED))
{
set_chunk_type(next, CT_OC_DICT_COLON);
}
else if (chunk_is_token(cur, CT_WORD))
{
chunk_t *tmp = chunk_get_next_nc(next, scope_e::PREPROC);
// Issue #1187
if (tmp == nullptr)
{
return;
}
LOG_FMT(LFCN, "%s(%d): orig_line is %zu, orig_col is %zu, tmp '%s': ",
__func__, __LINE__, tmp->orig_line, tmp->orig_col,
(chunk_is_token(tmp, CT_NEWLINE)) ? "<Newline>" : tmp->text());
log_pcf_flags(LGUY, tmp->flags);
if (next->flags.test(PCF_IN_FCN_CALL))
{
// Must be a macro thingy, assume some sort of label
set_chunk_type(next, CT_LABEL_COLON);
}
else if ( tmp == nullptr
|| ( chunk_is_not_token(tmp, CT_NUMBER)
&& chunk_is_not_token(tmp, CT_DECLTYPE)
&& chunk_is_not_token(tmp, CT_SIZEOF)
&& get_chunk_parent_type(tmp) != CT_SIZEOF
&& !tmp->flags.test_any(PCF_IN_STRUCT | PCF_IN_CLASS))
|| chunk_is_token(tmp, 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_t *labelPrev = prev;
if (chunk_is_token(labelPrev, CT_NEWLINE))
{
labelPrev = chunk_get_prev_ncnnlni(prev); // Issue #2279
}
if ( labelPrev != nullptr
&& chunk_is_not_token(labelPrev, CT_FPAREN_CLOSE))
{
set_chunk_type(cur, CT_LABEL);
set_chunk_type(next, CT_LABEL_COLON);
}
}
else
{
set_chunk_type(cur, CT_LABEL);
set_chunk_type(next, CT_LABEL_COLON);
}
}
else if (next->flags.test_any(PCF_IN_STRUCT | PCF_IN_CLASS | PCF_IN_TYPEDEF))
{
set_chunk_type(next, CT_BIT_COLON);
chunk_t *nnext = chunk_get_next(next);
if (nnext == nullptr)
{
return;
}
while ((nnext = chunk_get_next(nnext)) != nullptr)
{
if (chunk_is_token(nnext, CT_SEMICOLON))
{
break;
}
if (chunk_is_token(nnext, CT_COLON))
{
set_chunk_type(nnext, CT_BIT_COLON);
}
}
}
}
else if (chunk_is_token(nextprev, 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->orig_line, nextprev->orig_col,
get_token_name(nextprev->type));
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->orig_line, next->orig_col,
get_token_name(next->type));
// Issue #2172
if (get_chunk_parent_type(next) == CT_FUNC_DEF)
{
LOG_FMT(LFCN, "%s(%d): it's a construct colon\n", __func__, __LINE__);
// it's a construct colon
set_chunk_type(next, CT_CONSTR_COLON);
}
else
{
LOG_FMT(LFCN, "%s(%d): it's a class colon\n", __func__, __LINE__);
// it's a class colon
set_chunk_type(next, CT_CLASS_COLON);
}
}
else if (next->level > next->brace_level)
{
// ignore it, as it is inside a paren
}
else if ( chunk_is_token(cur, CT_TYPE)
|| chunk_is_token(cur, CT_ENUM) // Issue #2584
|| chunk_is_token(nextprev, CT_TYPE)
|| chunk_is_token(nextprev, CT_ENUM)) // Issue #2584
{
set_chunk_type(next, CT_BIT_COLON);
}
else if ( chunk_is_token(cur, CT_ENUM)
|| chunk_is_token(cur, CT_ACCESS)
|| chunk_is_token(cur, CT_QUALIFIER)
|| get_chunk_parent_type(cur) == CT_ALIGN)
{
// ignore it - bit field, align or public/private, etc
}
else if ( chunk_is_token(cur, CT_ANGLE_CLOSE)
|| hit_class)
{
// ignore it - template thingy
}
else if (get_chunk_parent_type(cur) == CT_SQL_EXEC)
{
// ignore it - SQL variable name
}
else if (get_chunk_parent_type(next) == CT_ASSERT)
{
// ignore it - Java assert thing
}
else if (get_chunk_parent_type(next) == CT_STRUCT)
{
// ignore it
}
else
{
chunk_t *tmp = chunk_get_next_ncnnl(next);
//tmp = chunk_get_next_local(next);
if (tmp != nullptr)
{
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->orig_line, tmp->orig_col,
get_token_name(tmp->type));
if ( chunk_is_token(tmp, CT_BASE)
|| chunk_is_token(tmp, 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->orig_line, next->orig_col,
get_token_name(get_chunk_parent_type(next)),
get_token_name(get_chunk_parent_type(cur)),
next->level, next->brace_level);
cpd.error_count++;
}
}
}
}
}
prev = cur;
cur = next;
next = chunk_get_next_local(next);
}
} // combine_labels
|
