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Validate parse nodes correspond to expected tokens (#3295)

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Can specify which tokens are allowed generally, and any additional
tokens that only occur when the parse node has an error.

---------

Co-authored-by: Richard Smith <richard@metafoo.co.uk>
This commit is contained in:
josh11b
2023-10-13 21:44:51 +00:00
committed by GitHub
co-authored by Richard Smith
parent 95a1cc8cba
commit a112f2e802
16 changed files with 312 additions and 113 deletions
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toolchain/parse/testdata/function/declaration/fail_missing_name.carbon
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+1 -1
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@@ -13,7 +13,7 @@ fn ();
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '('},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
toolchain/parse/testdata/function/declaration/fail_only_fn_and_semi.carbon
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+1 -1
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@@ -13,7 +13,7 @@ fn;
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: ';'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: ';', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
toolchain/parse/testdata/function/declaration/fail_repeated_fn_and_semi.carbon
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+1 -1
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@@ -13,7 +13,7 @@ fn fn;
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: 'fn', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]
toolchain/parse/testdata/function/declaration/fail_skip_indented_newline_until_outdent.carbon
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+1 -1
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@@ -16,7 +16,7 @@ fn F();
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '('},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: 'fn', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'Name', text: 'F'},
toolchain/parse/testdata/function/declaration/fail_skip_indented_newline_with_semi.carbon
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+1 -1
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@@ -16,7 +16,7 @@ fn F();
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '('},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'Name', text: 'F'},
toolchain/parse/testdata/function/declaration/fail_skip_indented_newline_without_semi.carbon
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+1 -1
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@@ -16,7 +16,7 @@ fn F();
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '('},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: 'fn', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'Name', text: 'F'},
toolchain/parse/testdata/function/declaration/fail_skip_to_newline_without_semi.carbon
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+1 -1
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@@ -14,7 +14,7 @@ fn F();
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '('},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: 'fn', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'Name', text: 'F'},
toolchain/parse/testdata/function/declaration/fail_without_name_and_many_tokens_in_params.carbon
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+1 -1
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@@ -13,7 +13,7 @@ fn (a tokens c d e f g h i j k l m n o p q r s t u v w x y z);
// CHECK:STDOUT: parse_tree: [
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
// CHECK:STDOUT: {kind: 'FunctionIntroducer', text: 'fn'},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '('},
// CHECK:STDOUT: {kind: 'InvalidParse', text: '(', has_error: yes},
// CHECK:STDOUT: {kind: 'FunctionDeclaration', text: ';', has_error: yes, subtree_size: 3},
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
// CHECK:STDOUT: ]