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Flatten unary expressions
Step 1/2 for #409
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8 files changed

+572
-179
lines changed

8 files changed

+572
-179
lines changed

‎src/dparse/ast.d

Lines changed: 319 additions & 49 deletions
Large diffs are not rendered by default.

‎src/dparse/astprinter.d

Lines changed: 14 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -986,28 +986,6 @@ class XMLPrinter : ASTVisitor
986986
}
987987
}
988988

989-
override void visit(const UnaryExpression unaryExpression)
990-
{
991-
output.writeln("<unaryExpression>");
992-
if (unaryExpression.prefix != tok!"")
993-
{
994-
output.writeln("<prefix>", xmlEscape(str(unaryExpression.prefix.type)), "</prefix>");
995-
unaryExpression.unaryExpression.accept(this);
996-
}
997-
else
998-
{
999-
if (unaryExpression.suffix != tok!"")
1000-
{
1001-
assert(unaryExpression.suffix.text == "");
1002-
unaryExpression.unaryExpression.accept(this);
1003-
output.writeln("<suffix>", str(unaryExpression.suffix.type), "</suffix>");
1004-
}
1005-
else
1006-
unaryExpression.accept(this);
1007-
}
1008-
output.writeln("</unaryExpression>");
1009-
}
1010-
1011989
override void visit(const UnionDeclaration unionDeclaration)
1012990
{
1013991
output.writeln("<unionDeclaration line=\"", unionDeclaration.name.line, "\">");
@@ -1208,6 +1186,20 @@ class XMLPrinter : ASTVisitor
12081186
override void visit(const WhileStatement whileStatement) { mixin (tagAndAccept!"whileStatement"); }
12091187
override void visit(const WithStatement withStatement) { mixin (tagAndAccept!"withStatement"); }
12101188
override void visit(const TypeidExpression typeidExpression) { mixin (tagAndAccept!"typeidExpression"); }
1189+
// unary expressions
1190+
override void visit(const RefPrefixUnaryExpression refPrefixUnaryExpression) { mixin (tagAndAccept!"refPrefixUnaryExpression"); }
1191+
override void visit(const NotPrefixUnaryExpression notPrefixUnaryExpression) { mixin (tagAndAccept!"notPrefixUnaryExpression"); }
1192+
override void visit(const DerefPrefixUnaryExpression derefPrefixUnaryExpression) { mixin (tagAndAccept!"derefPrefixUnaryExpression"); }
1193+
override void visit(const PlusPrefixUnaryExpression plusPrefixUnaryExpression) { mixin (tagAndAccept!"plusPrefixUnaryExpression"); }
1194+
override void visit(const MinusPrefixUnaryExpression minusPrefixUnaryExpression) { mixin (tagAndAccept!"minusPrefixUnaryExpression"); }
1195+
override void visit(const TildePrefixUnaryExpression tildePrefixUnaryExpression) { mixin (tagAndAccept!"tildePrefixUnaryExpression"); }
1196+
override void visit(const PlusPlusPrefixUnaryExpression plusPlusPrefixUnaryExpression) { mixin (tagAndAccept!"plusPlusPrefixUnaryExpression"); }
1197+
override void visit(const MinusMinusPrefixUnaryExpression minusMinusPrefixUnaryExpression) { mixin (tagAndAccept!"minusMinusPrefixUnaryExpression"); }
1198+
override void visit(const PlusPlusPostfixUnaryExpression plusPlusPostfixUnaryExpression) { mixin (tagAndAccept!"plusPlusPostfixUnaryExpression"); }
1199+
override void visit(const MinusMinusPostfixUnaryExpression minusMinusPostfixUnaryExpression) { mixin (tagAndAccept!"minusMinusPostfixUnaryExpression"); }
1200+
override void visit(const UnaryDotIdentifierExpression unaryDotIdentifierExpression) { mixin (tagAndAccept!"unaryDotIdentifierExpression"); }
1201+
override void visit(const UnaryDotNewExpression unaryDotNewExpression) { mixin (tagAndAccept!"unaryDotNewExpression"); }
1202+
override void visit(const TypeDotIdentifierExpression typeDotIdentifierExpression) { mixin (tagAndAccept!"typeDotIdentifierExpression"); }
12111203
// dfmt on
12121204

12131205
alias visit = ASTVisitor.visit;

‎src/dparse/formatter.d

Lines changed: 108 additions & 49 deletions
Original file line numberDiff line numberDiff line change
@@ -684,7 +684,7 @@ class Formatter(Sink)
684684
/**
685685
Type type;
686686
CastQualifier castQualifier;
687-
UnaryExpression unaryExpression;
687+
UnaryExpressionNode unaryExpression;
688688
**/
689689

690690
with(castExpression)
@@ -1330,7 +1330,7 @@ class Formatter(Sink)
13301330
else if (cast(TraitsExpression) n) format(cast(TraitsExpression) n);
13311331
else if (cast(TypeidExpression) n) format(cast(TypeidExpression) n);
13321332
else if (cast(TypeofExpression) n) format(cast(TypeofExpression) n);
1333-
else if (cast(UnaryExpression) n) format(cast(UnaryExpression) n);
1333+
else if (cast(UnaryExpressionNode) n) format(cast(UnaryExpressionNode) n);
13341334
else if (cast(XorExpression) n) format(cast(XorExpression) n);
13351335
}
13361336

@@ -1502,7 +1502,7 @@ class Formatter(Sink)
15021502

15031503
/**
15041504
Type type;
1505-
UnaryExpression unaryExpression;
1505+
UnaryExpressionNode unaryExpression;
15061506
TemplateArguments templateArguments;
15071507
Arguments arguments;
15081508
**/
@@ -1886,7 +1886,7 @@ class Formatter(Sink)
18861886
debug(verbose) writeln("IndexExpression");
18871887

18881888
/**
1889-
UnaryExpression unaryExpression;
1889+
UnaryExpressionNode unaryExpression;
18901890
ArgumentList argumentList;
18911891
**/
18921892

@@ -3606,59 +3606,115 @@ class Formatter(Sink)
36063606
put(")");
36073607
}
36083608

3609-
void format(const UnaryExpression unary)
3609+
void format(const UnaryExpressionNode unary)
3610+
{
3611+
debug(verbose) writeln("UnaryExpressionNode(");
3612+
3613+
if (auto p = cast(RefPrefixUnaryExpression) unary) format(p);
3614+
else if (auto p = cast(NotPrefixUnaryExpression) unary) format(p);
3615+
else if (auto p = cast(DerefPrefixUnaryExpression) unary) format(p);
3616+
else if (auto p = cast(PlusPrefixUnaryExpression) unary) format(p);
3617+
else if (auto p = cast(MinusPrefixUnaryExpression) unary) format(p);
3618+
else if (auto p = cast(TildePrefixUnaryExpression) unary) format(p);
3619+
else if (auto p = cast(PlusPlusPrefixUnaryExpression) unary) format(p);
3620+
else if (auto p = cast(MinusMinusPrefixUnaryExpression) unary) format(p);
3621+
else if (auto p = cast(PlusPlusPostfixUnaryExpression) unary) format(p);
3622+
else if (auto p = cast(MinusMinusPostfixUnaryExpression) unary) format(p);
3623+
else if (auto p = cast(UnaryDotIdentifierExpression) unary) format(p);
3624+
else if (auto p = cast(UnaryDotNewExpression) unary) format(p);
3625+
else if (auto p = cast(TypeDotIdentifierExpression) unary) format(p);
3626+
else if (auto p = cast(AssertExpression) unary) format(p);
3627+
else if (auto p = cast(CastExpression) unary) format(p);
3628+
else if (auto p = cast(DeleteExpression) unary) format(p);
3629+
else if (auto p = cast(FunctionCallExpression) unary) format(p);
3630+
else if (auto p = cast(IndexExpression) unary) format(p);
3631+
else if (auto p = cast(NewExpression) unary) format(p);
3632+
else if (auto p = cast(PrimaryExpression) unary) format(p);
3633+
else if (auto p = cast(ThrowExpression) unary) format(p);
3634+
3635+
debug(verbose) writeln(")");
3636+
}
3637+
3638+
void format(const RefPrefixUnaryExpression unary)
36103639
{
3611-
debug(verbose) writeln("UnaryExpression(");
3640+
put("&");
3641+
format(unary.unaryExpression);
3642+
}
36123643

3613-
/**
3614-
Type type;
3615-
PrimaryExpression primaryExpression;
3616-
Token prefix;
3617-
Token suffix;
3618-
UnaryExpression unaryExpression;
3619-
NewExpression newExpression;
3620-
DeleteExpression deleteExpression;
3621-
CastExpression castExpression;
3622-
FunctionCallExpression functionCallExpression;
3623-
ArgumentList argumentList;
3624-
IdentifierOrTemplateInstance identifierOrTemplateInstance;
3625-
AssertExpression assertExpression;
3626-
SliceExpression sliceExpression;
3627-
IndexExpression indexExpression;
3628-
**/
3644+
void format(const NotPrefixUnaryExpression unary)
3645+
{
3646+
put("!");
3647+
format(unary.unaryExpression);
3648+
}
36293649

3630-
with(unary)
3631-
{
3632-
if (prefix != tok!"") format(prefix);
3650+
void format(const DerefPrefixUnaryExpression unary)
3651+
{
3652+
put("*");
3653+
format(unary.unaryExpression);
3654+
}
36333655

3634-
if (type && identifierOrTemplateInstance)
3635-
{
3636-
// handle things like (void*).sizeof
3637-
put("(");
3638-
format(type);
3639-
put(")");
3640-
}
3656+
void format(const PlusPrefixUnaryExpression unary)
3657+
{
3658+
put("+");
3659+
format(unary.unaryExpression);
3660+
}
36413661

3642-
if (primaryExpression) format(primaryExpression);
3643-
if (newExpression) format(newExpression);
3644-
if (deleteExpression) format(deleteExpression);
3645-
if (castExpression) format(castExpression);
3646-
if (functionCallExpression) format(functionCallExpression);
3647-
if (assertExpression) format(assertExpression);
3648-
if (throwExpression) format(throwExpression);
3649-
if (indexExpression) format(indexExpression);
3662+
void format(const MinusPrefixUnaryExpression unary)
3663+
{
3664+
put("-");
3665+
format(unary.unaryExpression);
3666+
}
36503667

3651-
if (unaryExpression) format(unaryExpression);
3652-
if (suffix != tok!"") format(suffix);
3668+
void format(const TildePrefixUnaryExpression unary)
3669+
{
3670+
put("~");
3671+
format(unary.unaryExpression);
3672+
}
36533673

3654-
if (identifierOrTemplateInstance)
3655-
{
3656-
put(".");
3657-
format(identifierOrTemplateInstance);
3658-
}
3659-
}
3674+
void format(const PlusPlusPrefixUnaryExpression unary)
3675+
{
3676+
put("++");
3677+
format(unary.unaryExpression);
3678+
}
36603679

3661-
debug(verbose) writeln(")");
3680+
void format(const MinusMinusPrefixUnaryExpression unary)
3681+
{
3682+
put("--");
3683+
format(unary.unaryExpression);
3684+
}
3685+
3686+
void format(const PlusPlusPostfixUnaryExpression unary)
3687+
{
3688+
format(unary.unaryExpression);
3689+
put("++");
3690+
}
3691+
3692+
void format(const MinusMinusPostfixUnaryExpression unary)
3693+
{
3694+
format(unary.unaryExpression);
3695+
put("--");
3696+
}
3697+
3698+
void format(const UnaryDotIdentifierExpression unary)
3699+
{
3700+
format(unary.unaryExpression);
3701+
put(".");
3702+
format(unary.identifierOrTemplateInstance);
3703+
}
3704+
3705+
void format(const UnaryDotNewExpression unary)
3706+
{
3707+
format(unary.unaryExpression);
3708+
put(".");
3709+
format(unary.newExpression);
3710+
}
3711+
3712+
void format(const TypeDotIdentifierExpression unary)
3713+
{
3714+
put("(");
3715+
format(unary.type);
3716+
put(").");
3717+
format(unary.identifierOrTemplateInstance);
36623718
}
36633719

36643720
void format(const UnionDeclaration decl, const Attribute[] attrs = null)
@@ -4178,6 +4234,9 @@ unittest
41784234
testFormatNode!(VariableDeclaration)(`T!(0)[] t;`);
41794235
testFormatNode!(VariableDeclaration)(`T!(0)[dim] t;`);
41804236
testFormatNode!(VariableDeclaration)(`const shared t = [0, 1];`);
4237+
testFormatNode!(VariableDeclaration)(`auto x = foo();`);
4238+
testFormatNode!(VariableDeclaration)(`auto x = foo("bar");`);
4239+
testFormatNode!(VariableDeclaration)(`auto x = foo(baz: "bar");`);
41814240

41824241
testFormatNode!(OutStatement)(
41834242
`

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