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Shift Parser from 'Identifier' to 'Name' naming (#2947)

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This PR renames parse nodes on a Name/NameExpression taxonomy. NameExpressions occur in a name context. The difference is that in non-expression contexts it's useful to return the identifier / string ID for adding to name lookup, whereas in expression contexts it's useful to return the resolved node ID for consistency with other expressions.

In the code, I do note SelfValueName is returned in the expression context: I'd expect this to change, as `self` in `[self: Self]` versus `self.Foo()` will probably be best handled similarly to the above. That means that, in the proposed taxonomy, both `SelfValueName` and `SelfValueNameExpression` will exist in order to assist semantics.

To contrast choices:

Original | Current | [zygoloid suggestion](https://discord.com/channels/655572317891461132/655578254970716160/1121581663399464970) | [This PR](https://discord.com/channels/655572317891461132/655578254970716160/1121814551789318215)
--- | --- | --- | ---
DeclaredName/DesignatedName | Identifier | NameComponent | Name
NameReference | NameReference | NameReference | NameExpression
SelfValueIdentifier | SelfValueIdentifier | SelfValueReference | SelfValueName
SelfTypeIdentifier | SelfTypeIdentiifer | SelfTypeReference | SelfTypeNameExpression
This commit is contained in:
Jon Ross-Perkins
2023-06-26 15:49:57 -07:00
committed by GitHub
parent 3a9bc01ec4
commit b2084ea15d
156 changed files with 548 additions and 549 deletions
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toolchain/parser/testdata/struct/fail_dot_string_equals.carbon
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+3 -3
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@@ -5,14 +5,14 @@
// AUTOUPDATE
// CHECK:STDOUT: [
// CHECK:STDOUT: {kind: 'VariableIntroducer', text: 'var'},
// CHECK:STDOUT: {kind: 'Identifier', text: 'x'},
// CHECK:STDOUT: {kind: 'Name', text: 'x'},
// CHECK:STDOUT: {kind: 'StructLiteralOrStructTypeLiteralStart', text: '{'},
// CHECK:STDOUT: {kind: 'Identifier', text: '"hello"', has_error: yes},
// CHECK:STDOUT: {kind: 'Name', text: '"hello"', has_error: yes},
// CHECK:STDOUT: {kind: 'StructFieldDesignator', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'Literal', text: '0'},
// CHECK:STDOUT: {kind: 'StructFieldUnknown', text: '=', has_error: yes},
// CHECK:STDOUT: {kind: 'StructComma', text: ','},
// CHECK:STDOUT: {kind: 'Identifier', text: 'y'},
// CHECK:STDOUT: {kind: 'Name', text: 'y'},
// CHECK:STDOUT: {kind: 'StructFieldDesignator', text: '.', subtree_size: 2},
// CHECK:STDOUT: {kind: 'Literal', text: '4'},
// CHECK:STDOUT: {kind: 'StructFieldValue', text: '=', subtree_size: 4},