| author | blanchet | 
| Tue, 29 Mar 2016 18:32:08 +0200 | |
| changeset 62744 | b4f139bf02e3 | 
| parent 59689 | 7968c57ea240 | 
| child 68177 | 6e40f5d43936 | 
| permissions | -rw-r--r-- | 
| 57905 
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separate module Command_Span: mostly syntactic representation;
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changeset | 1 | (* Title: Pure/PIDE/command_span.ML | 
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changeset | 2 | Author: Makarius | 
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changeset | 3 | |
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changeset | 4 | Syntactic representation of command spans. | 
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changeset | 5 | *) | 
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changeset | 6 | |
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changeset | 7 | signature COMMAND_SPAN = | 
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changeset | 8 | sig | 
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changeset | 9 | datatype kind = Command_Span of string * Position.T | Ignored_Span | Malformed_Span | 
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changeset | 10 | datatype span = Span of kind * Token.T list | 
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changeset | 11 | val kind: span -> kind | 
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changeset | 12 | val content: span -> Token.T list | 
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changeset | 13 | end; | 
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changeset | 14 | |
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changeset | 15 | structure Command_Span: COMMAND_SPAN = | 
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changeset | 16 | struct | 
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changeset | 17 | |
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changeset | 18 | datatype kind = Command_Span of string * Position.T | Ignored_Span | Malformed_Span; | 
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changeset | 19 | datatype span = Span of kind * Token.T list; | 
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changeset | 20 | |
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changeset | 21 | fun kind (Span (k, _)) = k; | 
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changeset | 22 | fun content (Span (_, toks)) = toks; | 
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changeset | 23 | |
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changeset | 24 | end; |