core: add AST type system for stack language#1885
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brharrington merged 4 commits intoNetflix:mainfrom Mar 25, 2026
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Introduces a structured type system for the Atlas stack language: - New `stacklang.ast` package with DataType, Parameter, and IsNumber - TypedWord trait with typed parameters, outputs, matching, and execution - TypedMacro for macros with type declarations but body-based execution - StylePassthrough mixin for transparent StyleExpr handling - ModelDataTypes with model-level DataType implementations - ColorStringType supporting both hex and named colors Converts all vocabulary words from SimpleWord to TypedWord where applicable. Deprecates Extractors and ModelExtractors in favor of DataType and ModelDataTypes. Also extracts ExprNormalizer from ExprApi into atlas-core for reuse.
brharrington
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Introduces a structured type system for the Atlas stack language:
stacklang.astpackage with DataType, Parameter, and IsNumberConverts all vocabulary words from SimpleWord to TypedWord where applicable. Deprecates Extractors and ModelExtractors in favor of DataType and ModelDataTypes.
Also extracts ExprNormalizer from ExprApi into atlas-core for reuse.