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[parser] More support for interfaces: methods and self deduced param. (#2427)

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Summary:

Extends the current support for parsing `interface`s. In particular, adds support for parsing functions and `me` params.
This commit is contained in:
Kareem Ergawy
2022-12-16 11:23:02 -08:00
committed by GitHub
parent 63487da665
commit c74e39dbb3
12 changed files with 494 additions and 59 deletions
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toolchain/parser/testdata/generics/interface/basic.carbon
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+80 -2
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@@ -7,9 +7,87 @@
// CHECK:STDOUT: [
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'foo'},
// CHECK:STDOUT: {kind: 'InterfaceBodyStart', text: '{'},
// CHECK:STDOUT: {kind: 'InterfaceBody', text: '}', subtree_size: 2},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: 'interface', subtree_size: 4},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'Add'},
// CHECK:STDOUT: {kind: 'DeducedParameterListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfDeducedParameter', text: 'self'},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'PatternBinding', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'DeducedParameterList', text: ']', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ParameterListStart', text: '('},
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'PatternBinding', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ParameterList', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', subtree_size: 15},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'Add'},
// CHECK:STDOUT: {kind: 'DeducedParameterListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfDeducedParameter', text: 'self'},
// CHECK:STDOUT: {kind: 'NameReference', text: 'foo'},
// CHECK:STDOUT: {kind: 'PatternBinding', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'DeducedParameterList', text: ']', subtree_size: 5},
// CHECK:STDOUT: {kind: 'ParameterListStart', text: '('},
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'PatternBinding', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ParameterList', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', subtree_size: 15},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'Sub'},
// CHECK:STDOUT: {kind: 'DeducedParameterListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfDeducedParameter', text: ':'},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'PostfixOperator', text: '*', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PatternBinding', text: 'self', subtree_size: 4},
// CHECK:STDOUT: {kind: 'Address', text: 'addr', subtree_size: 5},
// CHECK:STDOUT: {kind: 'DeducedParameterList', text: ']', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ParameterListStart', text: '('},
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'PatternBinding', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ParameterList', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', subtree_size: 17},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'Sub'},
// CHECK:STDOUT: {kind: 'DeducedParameterListStart', text: '['},
// CHECK:STDOUT: {kind: 'SelfDeducedParameter', text: ':'},
// CHECK:STDOUT: {kind: 'NameReference', text: 'foo'},
// CHECK:STDOUT: {kind: 'PostfixOperator', text: '*', subtree_size: 2},
// CHECK:STDOUT: {kind: 'PatternBinding', text: 'self', subtree_size: 4},
// CHECK:STDOUT: {kind: 'Address', text: 'addr', subtree_size: 5},
// CHECK:STDOUT: {kind: 'DeducedParameterList', text: ']', subtree_size: 7},
// CHECK:STDOUT: {kind: 'ParameterListStart', text: '('},
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'b'},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'PatternBinding', text: ':', subtree_size: 3},
// CHECK:STDOUT: {kind: 'ParameterList', text: ')', subtree_size: 5},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', subtree_size: 17},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'DeclaredName', text: 'FooFactory'},
// CHECK:STDOUT: {kind: 'ParameterListStart', text: '('},
// CHECK:STDOUT: {kind: 'ParameterList', text: ')', subtree_size: 2},
// CHECK:STDOUT: {kind: 'SelfType', text: 'Self'},
// CHECK:STDOUT: {kind: 'ReturnType', text: '->', subtree_size: 2},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', subtree_size: 7},
// CHECK:STDOUT: {kind: 'InterfaceBody', text: '}', subtree_size: 73},
// CHECK:STDOUT: {kind: 'InterfaceDefinition', text: 'interface', subtree_size: 75},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
interface foo {
fn Add[self: Self](b: Self) -> Self;
fn Add[self: foo](b: Self) -> Self;
fn Sub[addr self: Self*](b: Self) -> Self;
fn Sub[addr self: foo*](b: Self) -> Self;
fn FooFactory() -> Self;
}