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Extension of chart parsing implementation to handle grammars with feature structures as nodes.
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FeatureTreeEdge FIXME: out of date documentation |
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FeatureFundamentalRule | |||
SingleEdgeFeatureFundamentalRule | |||
FeatureTopDownExpandRule The @ TopDownExpandRule specialised for feature-based
grammars.
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FeatureEarleyChartParse A chart parser implementing the Earley parsing algorithm, allowing nonterminals that have features (known as Categories ).
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Load a grammar from a file, and build an Earley feature parser based on that grammar. You can optionally specify a tracing level, for how much output you want to see: 0: No output. 1: Show edges from scanner and completer rules (not predictor). 2 (default): Show all edges as they are added to the chart. 3: Show all edges, plus the results of successful unifications. 4: Show all edges, plus the results of all attempted unifications. 5: Show all edges, plus the results of all attempted unifications, including those with cached results. |
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