36 lines
1,006 B
Scala
36 lines
1,006 B
Scala
@import com.astraldb.spec.Rule
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@import com.astraldb.spec.Type
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@import com.astraldb.spec.Definition
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@import com.astraldb.codegen.Match
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@import com.astraldb.codegen.Expression
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@import com.astraldb.codegen.Code
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@import com.astraldb.codegen.CodeScope
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@import com.astraldb.typecheck.TypecheckMatch
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@(schema: Definition, rule: Rule)
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object @{rule.safeLabel} extends Rule[@{rule.family.scalaType}]
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{
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def apply(plan: @{rule.family.scalaType}): @{rule.family.scalaType} =
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{
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@{
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val matchSchema = TypecheckMatch(
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rule.pattern,
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rule.family,
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schema,
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schema.globals
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)
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}
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@Match(
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schema = schema,
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pattern = rule.pattern,
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target = Code.Literal("plan"),
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targetPath = Seq.empty,
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targetType = rule.family,
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onSuccess = Expression(schema, rule.rewrite, _),
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onFail = { _ => Code.Literal("plan") },
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name = Some("plan"),
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scope = CodeScope(schema.globals)
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).toString(4).stripPrefix(" ")
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}
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} |