private bool PrintBracedBlockOrStmt(LNode stmt, Ambiguity flags, NewlineOpt beforeBrace = NewlineOpt.BeforeExecutableBrace)
{
var name = stmt.Name;
if (name == S.Braces && !HasPAttrs(stmt) && HasSimpleHeadWPA(stmt))
{
PrintBracedBlock(stmt, beforeBrace);
return(true);
}
// Detect "else if (...)", and suppress newline/indent between "else" and "if".
if (name == S.If && (flags & Ambiguity.ElseClause) != 0)
{
using (With(stmt))
if (EcsValidators.OtherBlockStmtType(_n, Pedantics) == S.If)
{
PrintStmt(flags & (Ambiguity.FinalStmt | Ambiguity.ElseClause));
return(false);
}
}
using (Indented)
{
Newline(NewlineOpt.BeforeSingleSubstmt);
PrintStmt(stmt, flags & (Ambiguity.FinalStmt | Ambiguity.NoIfWithoutElse));
return(false);
}
}
private void PrintExpressionsInBraces(LNode body, bool isInitializer, Ambiguity flags)
{
bool anyNewlines = false;
using (Indented)
{
NewlineOpt nlo = isInitializer ? NewlineOpt.AfterOpenBraceInNewExpr : NewlineOpt.Minimal | NewlineOpt.BeforeEachEnumItem;
NewlineOpt next_nlo = isInitializer ? NewlineOpt.AfterEachInitializer : NewlineOpt.BeforeEachEnumItem;
for (int i = 0, c = body.ArgCount; i < c; i++)
{
var stmt = body.Args[i];
if (i != 0)
{
_out.Write(',');
nlo = next_nlo;
}
if (NewlineOrSpace(nlo, IsDefaultNewlineSuppressed(stmt), SpaceOpt.AfterComma))
{
anyNewlines = true;
}
PrintExpr(stmt, StartExpr, flags);
}
}
NewlineOrSpace(isInitializer ? NewlineOpt.BeforeCloseBraceInExpr : NewlineOpt.Default, !anyNewlines);
}
private void PrintExpressionsInBraces(LNode body, bool isInitializer)
{
bool anyNewlines = false;
using (Indented)
{
int i = 0, c = body.ArgCount;
if (isInitializer)
{
for (; i < c; i++)
{
var stmt = body.Args[i];
NewlineOpt nlo = NewlineOpt.AfterOpenBraceInNewExpr;
if (i != 0)
{
_out.Write(',', true);
nlo = NewlineOpt.AfterEachInitializer;
}
if (NewlineOrSpace(nlo, IsDefaultNewlineSuppressed(stmt), SpaceOpt.AfterComma))
{
anyNewlines = true;
}
PrintExpr(stmt, StartExpr);
}
}
else // enum body
{
for (; i < c; i++)
{
var stmt = body.Args[i];
NewlineOpt nlo = NewlineOpt.Minimal | NewlineOpt.BeforeEachEnumItem;
if (i != 0)
{
_out.Write(',', true);
nlo = NewlineOpt.BeforeEachEnumItem;
}
if (NewlineOrSpace(nlo, IsDefaultNewlineSuppressed(stmt), SpaceOpt.AfterComma))
{
anyNewlines = true;
}
PrintExpr(stmt, StartExpr);
}
}
}
NewlineOrSpace(isInitializer ? NewlineOpt.BeforeCloseBraceInExpr : NewlineOpt.Default, !anyNewlines);
}
private void PrintBracedBlock(LNode body, NewlineOpt beforeBrace, bool skipFirstStmt = false, Symbol spaceName = null)
{
if (beforeBrace != 0)
{
if (!Newline(beforeBrace))
{
Space(SpaceOpt.Default);
}
}
_out.Write('{', true);
using (WithSpace(spaceName))
using (Indented)
for (int i = (skipFirstStmt?1:0), c = body.ArgCount; i < c; i++)
{
PrintStmt(body.Args[i], i + 1 == c ? Ambiguity.FinalStmt : 0);
}
Newline(NewlineOpt.Default);
_out.Write('}', true);
}
private void PrintBracedBlock(LNode body, NewlineOpt beforeBrace, bool skipFirstStmt = false, Symbol spaceName = null, BraceMode mode = BraceMode.Normal)
{
using (WithFlags(CheckOneLiner(_flags, body)))
{
int oldLineNum = _out.LineNumber;
if (mode != BraceMode.BlockStmt)
{
PrintTrivia(body, trailingTrivia: false);
}
else
{
G.Verify(PrintAttrs(AttrStyle.AllowKeywordAttrs) == 0);
}
if (oldLineNum == _out.LineNumber && beforeBrace != 0)
{
NewlineOrSpace(beforeBrace, IsDefaultNewlineSuppressed(body));
}
_out.Write('{', true);
// body.Target represents the opening brace. Injector adds trailing trivia only, not leading
PrintTrivia(body.Target, trailingTrivia: true);
using (WithSpace(spaceName))
{
if (mode == BraceMode.Initializer || mode == BraceMode.Enum)
{
Debug.Assert(!skipFirstStmt);
PrintExpressionsInBraces(body, mode == BraceMode.Initializer);
}
else
{
PrintStatementsInBraces(body, skipFirstStmt, newlinesByDefault: mode != BraceMode.AutoProp);
}
}
_out.Write('}', true);
if (mode != BraceMode.BlockStmt)
{
PrintTrivia(body, trailingTrivia: true);
}
}
}
private void PrintBracedBlock(LNode body, NewlineOpt beforeBrace, bool skipFirstStmt = false, Symbol spaceName = null, BraceMode mode = BraceMode.Normal)
{
if (mode != BraceMode.BlockExpr)
{
if (mode != BraceMode.BlockStmt)
{
PrintTrivia(body, trailingTrivia: false);
}
else
{
G.Verify(PrintAttrs(AttrStyle.AllowKeywordAttrs) == 0);
}
if (!_out.LastCharWritten.IsOneOf('\n', ' ', '\t') && beforeBrace != 0)
{
NewlineOrSpace(beforeBrace, IsDefaultNewlineSuppressed(body));
}
}
_out.Write('{');
// body.Target represents the opening brace. Injector adds trailing trivia only, not leading
PrintTrivia(body.Target, trailingTrivia: true);
using (WithSpace(spaceName))
{
if (mode == BraceMode.Initializer || mode == BraceMode.Enum || mode == BraceMode.SwitchExpression)
{
Debug.Assert(!skipFirstStmt);
PrintExpressionsInBraces(body, mode == BraceMode.Initializer,
mode == BraceMode.SwitchExpression ? Ambiguity.InSwitchExpr : 0);
}
else
{
PrintStatementsInBraces(body, skipFirstStmt, newlinesByDefault: mode != BraceMode.AutoProp);
}
}
_out.Write('}');
if (mode != BraceMode.BlockStmt)
{
PrintTrivia(body, trailingTrivia: true);
}
}
// Prints a child statement that could be a braced block, or not
private bool PrintBracedBlockOrStmt(LNode child, NewlineOpt beforeBrace = NewlineOpt.BeforeExecutableBrace)
{
var name = child.Name;
if (name == S.Braces && !HasPAttrs(child) && HasSimpleHeadWPA(child))
{
PrintBracedBlock(child, beforeBrace);
return(true);
}
// Detect "else if (...)", and suppress newline/indent between "else" and "if".
if (name == S.If && Flagged(Ambiguity.ElseClause))
{
if (EcsValidators.OtherBlockStmtType(_n, Pedantics) == S.If)
{
PrintStmt(child, _flags & (Ambiguity.FinalStmt | Ambiguity.ElseClause | Ambiguity.OneLiner));
return(false);
}
}
using (Indented)
{
PrintStmt(child, _flags & (Ambiguity.FinalStmt | Ambiguity.NoIfWithoutElse | Ambiguity.OneLiner) | Ambiguity.NewlineBeforeChildStmt);
return(false);
}
}
private void PrintBracedBlock(LNode body, NewlineOpt beforeBrace, bool skipFirstStmt = false, Symbol spaceName = null, BraceMode mode = BraceMode.Normal)
{
using (WithFlags(CheckOneLiner(_flags, body)))
{
int oldLineNum = _out.LineNumber;
if (mode != BraceMode.BlockStmt)
PrintTrivia(body, trailingTrivia: false);
else
G.Verify(PrintAttrs(AttrStyle.AllowKeywordAttrs) == 0);
if (oldLineNum == _out.LineNumber && beforeBrace != 0)
NewlineOrSpace(beforeBrace, IsDefaultNewlineSuppressed(body));
_out.Write('{', true);
// body.Target represents the opening brace. Injector adds trailing trivia only, not leading
PrintTrivia(body.Target, trailingTrivia: true);
using (WithSpace(spaceName))
{
if (mode == BraceMode.Initializer || mode == BraceMode.Enum)
{
Debug.Assert(!skipFirstStmt);
PrintExpressionsInBraces(body, mode == BraceMode.Initializer);
}
else
PrintStatementsInBraces(body, skipFirstStmt, newlinesByDefault: mode != BraceMode.AutoProp);
}
_out.Write('}', true);
if (mode != BraceMode.BlockStmt)
PrintTrivia(body, trailingTrivia: true);
}
}
// Prints a child statement that could be a braced block, or not
private bool PrintBracedBlockOrStmt(LNode child, NewlineOpt beforeBrace = NewlineOpt.BeforeExecutableBrace)
{
var name = child.Name;
if (name == S.Braces && !HasPAttrs(child) && HasSimpleHeadWPA(child))
{
PrintBracedBlock(child, beforeBrace);
return true;
}
// Detect "else if (...)", and suppress newline/indent between "else" and "if".
if (name == S.If && Flagged(Ambiguity.ElseClause))
{
if (EcsValidators.OtherBlockStmtType(_n, Pedantics) == S.If) {
PrintStmt(child, _flags & (Ambiguity.FinalStmt | Ambiguity.ElseClause | Ambiguity.OneLiner));
return false;
}
}
using (Indented)
{
PrintStmt(child, _flags & (Ambiguity.FinalStmt | Ambiguity.NoIfWithoutElse | Ambiguity.OneLiner) | Ambiguity.NewlineBeforeChildStmt);
return false;
}
}
private void PrintBracedBlock(LNode body, NewlineOpt beforeBrace, bool skipFirstStmt = false, Symbol spaceName = null)
{
if (beforeBrace != 0)
if (!Newline(beforeBrace))
Space(SpaceOpt.Default);
_out.Write('{', true);
using (WithSpace(spaceName))
using (Indented)
for (int i = (skipFirstStmt?1:0), c = body.ArgCount; i < c; i++)
PrintStmt(body.Args[i], i + 1 == c ? Ambiguity.FinalStmt : 0);
Newline(NewlineOpt.Default);
_out.Write('}', true);
}
private bool PrintBracedBlockOrStmt(LNode stmt, Ambiguity flags, NewlineOpt beforeBrace = NewlineOpt.BeforeExecutableBrace)
{
var name = stmt.Name;
if (name == S.Braces && !HasPAttrs(stmt) && HasSimpleHeadWPA(stmt))
{
PrintBracedBlock(stmt, beforeBrace);
return true;
}
// Detect "else if (...)", and suppress newline/indent between "else" and "if".
if (name == S.If && (flags & Ambiguity.ElseClause) != 0)
{
using (With(stmt))
if (OtherBlockStmtType() == S.If)
{
PrintStmt(flags & (Ambiguity.FinalStmt | Ambiguity.ElseClause));
return false;
}
}
using (Indented)
{
Newline(NewlineOpt.BeforeSingleSubstmt);
PrintStmt(stmt, flags & (Ambiguity.FinalStmt | Ambiguity.NoIfWithoutElse));
return false;
}
}
