17#include "llvm/ADT/SmallVector.h"
18#include "llvm/Support/Debug.h"
25 static const char *
const TokNames[] = {
33 llvm_unreachable(
"unknown TokenType");
44 case tok::kw___int128:
46 case tok::kw_unsigned:
54 case tok::kw__Float16:
55 case tok::kw___float128:
56 case tok::kw___ibm128:
59#define TRANSFORM_TYPE_TRAIT_DEF(_, Trait) case tok::kw___##Trait:
60#include "clang/Basic/TransformTypeTraits.def"
61 case tok::annot_typename:
63 case tok::kw_char16_t:
64 case tok::kw_char32_t:
66 case tok::kw_decltype:
76 "clock_t",
"int16_t",
"int32_t",
"int64_t",
"int8_t",
77 "intptr_t",
"ptrdiff_t",
"size_t",
"time_t",
"uint16_t",
78 "uint32_t",
"uint64_t",
"uint8_t",
"uintptr_t",
83 (IsCpp &&
is(tok::identifier) &&
93 assert(
is(tok::r_brace));
94 if (!Style.Cpp11BracedListStyle ||
99 assert(LBrace && LBrace->is(tok::l_brace));
102 if (LBrace->Previous && LBrace->Previous->is(tok::equal))
113 return is(TT_ArrayInitializerLSquare) ||
is(TT_ProtoExtensionLSquare) ||
117 (
is(tok::less) && Style.isProto());
127 if (!State.NextToken || !State.NextToken->Previous)
130 if (Formats.size() <= 1)
135 State.NextToken->Previous->getPreviousNonComment();
136 if (!LBrace || !LBrace->
isOneOf(tok::l_brace, TT_ArrayInitializerLSquare) ||
138 LBrace->
Next->
is(TT_DesignatedInitializerPeriod)) {
144 unsigned RemainingCodePoints =
148 const ColumnFormat *Format = getColumnFormat(RemainingCodePoints);
157 unsigned Penalty = 0;
162 unsigned ExtraSpaces = 0;
165 if (Item < Commas.size() && State.NextToken->Previous == Commas[Item]) {
166 if (!State.NextToken->isTrailingComment()) {
167 ExtraSpaces += Format->ColumnSizes[
Column] - ItemLengths[Item];
173 if (
Column == Format->Columns || State.NextToken->MustBreakBefore) {
179 Penalty +=
Indenter->addTokenToState(State,
NewLine, DryRun, ExtraSpaces);
189 if (Formats.size() == 1 || HasNestedBracedList)
190 State.Stack.back().AvoidBinPacking =
true;
198 assert(End->TotalLength >=
Begin->TotalLength);
199 return End->TotalLength -
Begin->TotalLength +
Begin->ColumnWidth;
204 if (!
Token->MatchingParen ||
205 !
Token->
isOneOf(tok::l_brace, TT_ArrayInitializerLSquare)) {
213 Commas.size() < 19) {
220 if (
Token->
is(TT_ArrayInitializerLSquare) && Commas.size() < 19)
229 ItemBegin = ItemBegin->
Next;
235 MustBreakBeforeItem.reserve(Commas.size() + 1);
236 EndOfLineItemLength.reserve(Commas.size() + 1);
237 ItemLengths.reserve(Commas.size() + 1);
239 bool HasSeparatingComment =
false;
240 for (
unsigned i = 0, e = Commas.size() + 1; i != e; ++i) {
244 ItemBegin = ItemBegin->
Next;
245 HasSeparatingComment = i > 0;
249 if (ItemBegin->
is(tok::l_brace))
250 HasNestedBracedList =
true;
252 if (i == Commas.size()) {
253 ItemEnd =
Token->MatchingParen;
261 ItemEnd = ItemEnd->
Next;
264 ItemEnd =
Token->MatchingParen->Previous;
274 ItemEnd = ItemEnd->
Next;
282 ItemBegin = ItemEnd->
Next;
287 if (Commas.size() < 5 || HasSeparatingComment)
290 if (
Token->NestingLevel != 0 &&
Token->
is(tok::l_brace) && Commas.size() < 19)
297 MinSizeInColumn.reserve(MaxItems);
298 for (
unsigned Columns = 1; Columns <= MaxItems; ++Columns) {
300 Format.Columns = Columns;
301 Format.ColumnSizes.resize(Columns);
302 MinSizeInColumn.assign(Columns,
UINT_MAX);
303 Format.LineCount = 1;
304 bool HasRowWithSufficientColumns =
false;
306 for (
unsigned i = 0, e = ItemLengths.size(); i != e; ++i) {
307 assert(i < MustBreakBeforeItem.size());
308 if (MustBreakBeforeItem[i] ||
Column == Columns) {
312 if (
Column == Columns - 1)
313 HasRowWithSufficientColumns =
true;
315 (
Column == Columns - 1) ? EndOfLineItemLength[i] : ItemLengths[i];
316 Format.ColumnSizes[
Column] = std::max(Format.ColumnSizes[
Column], Length);
317 MinSizeInColumn[
Column] = std::min(MinSizeInColumn[
Column], Length);
322 if (!HasRowWithSufficientColumns)
324 Format.TotalWidth = Columns - 1;
326 for (
unsigned i = 0; i < Columns; ++i)
327 Format.TotalWidth += Format.ColumnSizes[i];
332 for (
unsigned i = 0; i < Columns - 1; ++i)
333 if (Format.ColumnSizes[i] - MinSizeInColumn[i] > 10)
344 Formats.push_back(Format);
348const CommaSeparatedList::ColumnFormat *
349CommaSeparatedList::getColumnFormat(
unsigned RemainingCharacters)
const {
350 const ColumnFormat *BestFormat =
nullptr;
351 for (
const ColumnFormat &Format : llvm::reverse(Formats)) {
352 if (Format.TotalWidth <= RemainingCharacters || Format.Columns == 1) {
353 if (BestFormat && Format.LineCount > BestFormat->LineCount)
355 BestFormat = &Format;
This file implements an indenter that manages the indentation of continuations.
static constexpr bool isOneOf()
static const char *const TokNames[]
Token - This structure provides full information about a lexed token.
bool is(tok::TokenKind K) const
is/isNot - Predicates to check if this token is a specific kind, as in "if (Tok.is(tok::l_brace)) {....
tok::TokenKind getKind() const
bool isOneOf(tok::TokenKind K1, tok::TokenKind K2) const
The base class of the type hierarchy.
The JSON file list parser is used to communicate input to InstallAPI.
if(T->getSizeExpr()) TRY_TO(TraverseStmt(const_cast< Expr * >(T -> getSizeExpr())))