carbon-language/carbon-lang
1
0
Fork 0
mirror of https://github.com/carbon-language/carbon-lang.git synced 2026-10-05 06:41:06 +01:00
Code Issues Packages Projects Releases 10 Wiki Activity

Parse ref as operator (#6539)

Browse Source 
This is the first step of implementing the guidance in #6342.

---------

Co-authored-by: josh11b <15258583+josh11b@users.noreply.github.com>
This commit is contained in:
Geoff Romer
2025-12-30 19:18:34 +00:00
committed by GitHub
co-authored by josh11b
parent 9cdb9c803a
commit e940cb72b6
14 changed files with 177 additions and 162 deletions
Download Patch File Download Diff File Expand all files Collapse all files
toolchain/parse/testdata/function/call.carbon
Vendored
+7 -47
View File
@@ -32,18 +32,6 @@ fn F() {
G(x, {.y = ref y, .z = z});
}
// --- fail_ref_out_of_place.carbon
fn F() {
(ref x,);
G(ref x);
// CHECK:STDERR: fail_ref_out_of_place.carbon:[[@LINE+4]]:4: error: found `ref` in unexpected position [UnexpectedRef]
// CHECK:STDERR: (ref x);
// CHECK:STDERR: ^~~
// CHECK:STDERR:
(ref x);
}
// CHECK:STDOUT: - filename: basic.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
@@ -85,13 +73,13 @@ fn F() {
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 7},
@@ -101,7 +89,7 @@ fn F() {
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 8},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 28},
@@ -121,7 +109,7 @@ fn F() {
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 10},
@@ -132,7 +120,7 @@ fn F() {
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'z'},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 6},
@@ -146,7 +134,7 @@ fn F() {
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'z'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 6},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 11},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 12},
@@ -158,7 +146,7 @@ fn F() {
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'y'},
// CHECK:STDOUT: {kind: 'StructFieldDesignator', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'y'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PrefixOperatorRef', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'StructLiteralField', text: '=', subtree_size: 5},
// CHECK:STDOUT: {kind: 'StructLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'IdentifierNameNotBeforeParams', text: 'z'},
@@ -171,31 +159,3 @@ fn F() {
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 59},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
// CHECK:STDOUT: - filename: fail_ref_out_of_place.carbon
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'IdentifierNameBeforeParams', text: 'F'},
// CHECK:STDOUT: {kind: 'ExplicitParamListStart', text: '('},
// CHECK:STDOUT: {kind: 'ExplicitParamList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDefinitionStart', text: '{', subtree_size: 5},
// CHECK:STDOUT: {kind: 'TupleLiteralStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'TupleLiteralComma', text: ','},
// CHECK:STDOUT: {kind: 'TupleLiteral', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'G'},
// CHECK:STDOUT: {kind: 'CallExprStart', text: '(', subtree_size: 2},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'CallExpr', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 6},
// CHECK:STDOUT: {kind: 'ParenExprStart', text: '('},
// CHECK:STDOUT: {kind: 'IdentifierNameExpr', text: 'x'},
// CHECK:STDOUT: {kind: 'RefTag', text: 'ref', subtree_size: 2},
// CHECK:STDOUT: {kind: 'ParenExpr', text: ')', subtree_size: 4},
// CHECK:STDOUT: {kind: 'ExprStatement', text: ';', subtree_size: 5},
// CHECK:STDOUT: {kind: 'FunctionDefinition', text: '}', subtree_size: 23},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]