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/**
* @file semicolons.cpp
* Removes extra semicolons
*
* @author Ben Gardner
* @license GPL v2+
*/
#include "semicolons.h"
#include "prototypes.h"
static void remove_semicolon(chunk_t *pc);
/**
* We are on a semicolon that is after an unidentified brace close.
* Check for what is before the brace open.
* Do not remove if it is a square close, word, type, or paren close.
*/
static void check_unknown_brace_close(chunk_t *semi, chunk_t *brace_close);
static void remove_semicolon(chunk_t *pc)
{
LOG_FUNC_ENTRY();
LOG_FMT(LDELSEMI, "%s(%d): Removed semicolon: orig_line is %zu, orig_col is %zu",
__func__, __LINE__, pc->orig_line, pc->orig_col);
log_func_stack_inline(LDELSEMI);
// TODO: do we want to shift stuff back a column?
chunk_del(pc);
}
void remove_extra_semicolons(void)
{
LOG_FUNC_ENTRY();
chunk_t *pc = chunk_get_head();
while (pc != nullptr)
{
chunk_t *next = chunk_get_next_ncnnl(pc);
chunk_t *prev;
if ( chunk_is_token(pc, CT_SEMICOLON)
&& !pc->flags.test(PCF_IN_PREPROC)
&& (prev = chunk_get_prev_ncnnl(pc)) != nullptr)
{
LOG_FMT(LSCANSEMI, "%s(%d): Semi orig_line is %zu, orig_col is %zu, parent is %s, prev = '%s' [%s/%s]\n",
__func__, __LINE__, pc->orig_line, pc->orig_col, get_token_name(get_chunk_parent_type(pc)),
prev->text(),
get_token_name(prev->type), get_token_name(get_chunk_parent_type(prev)));
if (get_chunk_parent_type(pc) == CT_TYPEDEF)
{
// keep it
}
else if ( chunk_is_token(prev, CT_BRACE_CLOSE)
&& ( get_chunk_parent_type(prev) == CT_IF
|| get_chunk_parent_type(prev) == CT_ELSEIF
|| get_chunk_parent_type(prev) == CT_ELSE
|| get_chunk_parent_type(prev) == CT_SWITCH
|| get_chunk_parent_type(prev) == CT_WHILE
|| get_chunk_parent_type(prev) == CT_USING_STMT
|| get_chunk_parent_type(prev) == CT_FOR
|| get_chunk_parent_type(prev) == CT_FUNC_DEF
|| get_chunk_parent_type(prev) == CT_OC_MSG_DECL
|| get_chunk_parent_type(prev) == CT_FUNC_CLASS_DEF
|| get_chunk_parent_type(prev) == CT_NAMESPACE))
{
remove_semicolon(pc);
}
else if ( chunk_is_token(prev, CT_BRACE_CLOSE)
&& get_chunk_parent_type(prev) == CT_NONE)
{
check_unknown_brace_close(pc, prev);
}
else if ( chunk_is_token(prev, CT_SEMICOLON)
&& get_chunk_parent_type(prev) != CT_FOR)
{
remove_semicolon(pc);
}
else if ( language_is_set(LANG_D)
&& ( get_chunk_parent_type(prev) == CT_ENUM
|| get_chunk_parent_type(prev) == CT_UNION
|| get_chunk_parent_type(prev) == CT_STRUCT))
{
remove_semicolon(pc);
}
else if ( language_is_set(LANG_JAVA)
&& get_chunk_parent_type(prev) == CT_SYNCHRONIZED)
{
remove_semicolon(pc);
}
else if (chunk_is_token(prev, CT_BRACE_OPEN))
{
remove_semicolon(pc);
}
}
pc = next;
}
} // remove_extra_semicolons
static void check_unknown_brace_close(chunk_t *semi, chunk_t *brace_close)
{
LOG_FUNC_ENTRY();
chunk_t *pc = chunk_get_prev_type(brace_close, CT_BRACE_OPEN, brace_close->level);
pc = chunk_get_prev_ncnnl(pc);
if ( pc != nullptr
&& pc->type != CT_RETURN
&& pc->type != CT_WORD
&& pc->type != CT_TYPE
&& pc->type != CT_SQUARE_CLOSE
&& pc->type != CT_ANGLE_CLOSE
&& pc->type != CT_TSQUARE
&& !chunk_is_paren_close(pc))
{
remove_semicolon(semi);
}
}
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