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Add parsing for partial types (#5009)

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This commit is contained in:
Jon Ross-Perkins
2025-02-25 02:07:10 +00:00
committed by GitHub
parent de0cab1e66
commit 197e784140
4 changed files with 26 additions and 0 deletions
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toolchain/check/handle_operator.cpp
+5
View File
@@ -300,6 +300,11 @@ auto HandleParseNode(Context& context, Parse::PrefixOperatorNotId node_id)
return true;
}
auto HandleParseNode(Context& context, Parse::PrefixOperatorPartialId node_id)
-> bool {
return context.TODO(node_id, "partial operator");
}
auto HandleParseNode(Context& context, Parse::PrefixOperatorPlusPlusId node_id)
-> bool {
return HandleUnaryOperator(context, node_id, {"Inc"});
toolchain/parse/node_kind.def
+1
View File
@@ -244,6 +244,7 @@ CARBON_PARSE_NODE_KIND_PREFIX_OPERATOR(Const)
CARBON_PARSE_NODE_KIND_PREFIX_OPERATOR(Not)
CARBON_PARSE_NODE_KIND_PREFIX_OPERATOR(Minus)
CARBON_PARSE_NODE_KIND_PREFIX_OPERATOR(MinusMinus)
CARBON_PARSE_NODE_KIND_PREFIX_OPERATOR(Partial)
CARBON_PARSE_NODE_KIND_PREFIX_OPERATOR(PlusPlus)
CARBON_PARSE_NODE_KIND_PREFIX_OPERATOR(Star)
toolchain/parse/precedence.cpp
+2
View File
@@ -164,6 +164,7 @@ auto PrecedenceGroup::ForLeading(Lex::TokenKind kind)
return PrecedenceGroup(If);
case Lex::TokenKind::Const:
case Lex::TokenKind::Partial:
return PrecedenceGroup(TypePrefix);
default:
@@ -243,6 +244,7 @@ auto PrecedenceGroup::ForTrailing(Lex::TokenKind kind, bool infix)
case Lex::TokenKind::Const:
case Lex::TokenKind::MinusMinus:
case Lex::TokenKind::Not:
case Lex::TokenKind::Partial:
case Lex::TokenKind::PlusPlus:
break;
toolchain/parse/testdata/operators/prefix.carbon
Vendored
+18
View File
@@ -11,6 +11,9 @@
var n: i8 = -n;
var b: bool = not true;
var c: const bool;
var d: partial C*;
// CHECK:STDOUT: - filename: prefix.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
@@ -32,5 +35,20 @@ var b: bool = not true;
// CHECK:STDOUT: {kind: 'BoolLiteralTrue', text: 'true'},
// CHECK:STDOUT: {kind: 'PrefixOperatorNot', text: 'not', subtree_size: 2},
// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 9},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'c'},
// CHECK:STDOUT: {kind: 'BoolTypeLiteral', text: 'bool'},
// CHECK:STDOUT: {kind: 'PrefixOperatorConst', text: 'const', subtree_size: 2},
// CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 4},
// CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 5},
// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'd'},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'C'},
// CHECK:STDOUT: {kind: 'PrefixOperatorPartial', text: 'partial', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PostfixOperatorStar', text: '*', subtree_size: 3},
// CHECK:STDOUT: {kind: 'VarBindingPattern', text: ':', subtree_size: 5},
// CHECK:STDOUT: {kind: 'VariablePattern', text: 'var', subtree_size: 6},
// CHECK:STDOUT: {kind: 'VariableDecl', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]