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[toolchain] Parse variables and parameters as 'name: Type'. (#574)

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Factor out code for pattern parsing, that only recognizes this form for
now, and uniformly form a 'PatternBinding' parse node for this, for
both variables and patterns.
This commit is contained in:
Richard Smith
2021-06-14 14:28:45 -07:00
committed by GitHub
parent 47ee66feef
commit 61b30b1243
6 changed files with 103 additions and 58 deletions
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toolchain/parser/parse_node_kind.def
+1 -1
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@@ -21,7 +21,7 @@ CARBON_PARSE_NODE_KIND(FunctionDeclaration)
CARBON_PARSE_NODE_KIND(ParameterList)
CARBON_PARSE_NODE_KIND(ParameterListComma)
CARBON_PARSE_NODE_KIND(ParameterListEnd)
CARBON_PARSE_NODE_KIND(ParameterDeclaration)
CARBON_PARSE_NODE_KIND(PatternBinding)
CARBON_PARSE_NODE_KIND(ReturnType)
CARBON_PARSE_NODE_KIND(VariableDeclaration)
CARBON_PARSE_NODE_KIND(VariableInitializer)