diff --git a/.gitignore b/.gitignore deleted file mode 100644 index 06a11d9..0000000 --- a/.gitignore +++ /dev/null @@ -1,13 +0,0 @@ -buildall.tmp.* -.lein-failures -.lein-repl-history -target/ -pom.xml -.calva/ -.clj-kondo/ -.lsp/ -.nrepl-port - -doc/scratch.clj - -src/mw_parser/scratch.clj diff --git a/README.md b/README.md index 45fd595..76f662d 100644 --- a/README.md +++ b/README.md @@ -13,49 +13,15 @@ You can see MicroWorld in action [here](http://www.journeyman.cc/microworld/) - but please don't be mean to my poor little server. If you want to run big maps or complex rule-sets, please run it on your own machines. -### Version compatibility - -There are substantial changes in how rule functions are evaluated between 0.1.x -versions of MicroWorld libraries and 0.3.x versions. In particular, in 0.3.x -metadata is held on rule functions which is essential to the functioning of the -engine. Consequently, you cannot mix 0.1.x and 0.3.x libraries: it will not work. - -In particular the parser in actual use has changed in 0.3.x from the -`mw-parser.core` parser to the `mw-parser.declarative` parser. The API of the -parser is also substantially revised and is not backwards compatible, so if -you have code written to use 0.1.x versions of this library it will need to be -modified. I apologise for this. On the upside, the new parser API is much -simpler. - ## Usage -Main entry point is (compile _string_), where string takes a form detailed -in __[grammar](#grammar)__, below. If the rules represnted by the string are -interpretted correctly, the result will be a a list of compiled Clojure -anonymous functions; if the rule cannot be interpretted, an error 'I did not -understand...' will be thrown. +Main entry point is (parse-rule _string_), where string takes a form detailed +in __[grammar](#grammar)__, below. If the rule is interpretted correctly the result will +be the source code of a Clojure anonymous function; if the rule cannot be interpretted, +an error 'I did not understand...' will be shown. -Each of these functions will have metadata including: - -* `:rule-type` : the type of rule the function represents; -* `:lisp` : the lisp source from which the function was compiled; -* `:parse` : the parse-tree from which that lisp source was derived; -* `:source` : the rule source from which the parse-tree was derived; -* `:line : the one-based line number of the rule source in the source file. - -The values of `:rule-type` currently supported are: - -* `:production` : an if-then rule which transforms the properties of a single - cell, based on the values of properties of that cell and optionally of its - neighbours; -* `:flow` : a flow rule which creates flows of values of a numeric property - from one cell to other cells. - -Values which it is intended will be supported include rules to create graphs -which will enable the user to aggregate and interpret what is happening in -the world. Types which it is envisaged will be supported include -`:time-series`, `bar-graph` and perhaps others, but grammar for these has not -yet been developed. +The function (compile-rule _string_) is like parse-rule, except that it returns +a compiled Clojure anonymous function. ### Generated function and evaluation environment diff --git a/docs/cloverage/coverage.css b/docs/cloverage/coverage.css deleted file mode 100644 index 2be4e57..0000000 --- a/docs/cloverage/coverage.css +++ /dev/null @@ -1,40 +0,0 @@ -.covered { - font-family: 'Bitstream Vera Sans Mono', 'Courier', monospace; - background-color: #558B55; -} - -.not-covered { - font-family: 'Bitstream Vera Sans Mono', 'Courier', monospace; - background-color: red; -} - -.partial { - font-family: 'Bitstream Vera Sans Mono', 'Courier', monospace; - background-color: orange; -} - -.not-tracked { - font-family: 'Bitstream Vera Sans Mono', 'Courier', monospace; -} - -.blank { - font-family: 'Bitstream Vera Sans Mono', 'Courier', monospace; -} - -td { - padding-right: 10px; -} - -td.with-bar { - width: 250px; - text-align: center; -} - -td.with-number { - text-align: right; -} - -td.ns-name { - min-width: 150px; - padding-right: 25px; -} diff --git a/docs/cloverage/index.html b/docs/cloverage/index.html deleted file mode 100644 index 784925b..0000000 --- a/docs/cloverage/index.html +++ /dev/null @@ -1,149 +0,0 @@ - - - - - Coverage Summary - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Namespace Forms Forms % Lines Lines %TotalBlankInstrumented
mw-parser.bulk
60
100.00 %
11
100.00 %62711
mw-parser.core
1193
49
96.05 %
207
35
3
98.78 %45141245
mw-parser.declarative
181
13
93.30 %
22
1
1
95.83 %1571024
mw-parser.errors
113
12
90.40 %
19
2
100.00 %68921
mw-parser.flow
74
9
89.16 %
18
3
85.71 %67521
mw-parser.generate
704
226
75.70 %
140
6
39
78.92 %32824185
mw-parser.simplify
121
20
85.82 %
32
2
5
87.18 %91639
mw-parser.utils
73
5
93.59 %
18
2
100.00 %641020
Totals:88.29 %90.99 %
- - diff --git a/docs/cloverage/mw_parser/bulk.clj.html b/docs/cloverage/mw_parser/bulk.clj.html deleted file mode 100644 index f3b31f2..0000000 --- a/docs/cloverage/mw_parser/bulk.clj.html +++ /dev/null @@ -1,194 +0,0 @@ - - - - mw_parser/bulk.clj - - - - 001  (ns ^{:doc "parse multiple rules from a stream, possibly a file." -
- - 002        :author "Simon Brooke"} -
- - 003    mw-parser.bulk -
- - 004    (:use mw-parser.core -
- - 005          mw-engine.utils -
- - 006          clojure.java.io -
- - 007          [clojure.string :only [split trim]]) -
- - 008    (:import (java.io BufferedReader StringReader))) -
- - 009   -
- - 010  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 011  ;;;; -
- - 012  ;;;; mw-parser: a rule parser for MicroWorld. -
- - 013  ;;;; -
- - 014  ;;;; This program is free software; you can redistribute it and/or -
- - 015  ;;;; modify it under the terms of the GNU General Public License -
- - 016  ;;;; as published by the Free Software Foundation; either version 2 -
- - 017  ;;;; of the License, or (at your option) any later version. -
- - 018  ;;;; -
- - 019  ;;;; This program is distributed in the hope that it will be useful, -
- - 020  ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of -
- - 021  ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the -
- - 022  ;;;; GNU General Public License for more details. -
- - 023  ;;;; -
- - 024  ;;;; You should have received a copy of the GNU General Public License -
- - 025  ;;;; along with this program; if not, write to the Free Software -
- - 026  ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, -
- - 027  ;;;; USA. -
- - 028  ;;;; -
- - 029  ;;;; Copyright (C) 2014 Simon Brooke -
- - 030  ;;;; -
- - 031  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 032   -
- - 033   -
- - 034  (defn comment? -
- - 035    "Is this `line` a comment?" -
- - 036    [line] -
- - 037    (or (empty? (trim line)) (member? (first line) '(nil \# \;)))) -
- - 038   -
- - 039  (defn parse-string -
- - 040    "Parse rules from successive lines in this `string`, assumed to have multiple -
- - 041     lines delimited by the new-line character. Return a list of S-expressions." -
- - 042    [string] -
- - 043          ;; TODO: tried to do this using with-open, but couldn't make it work. -
- - 044    (map #(parse-rule (trim %)) (remove comment? (split string #"\n")))) -
- - 045   -
- - 046  (defn parse-file -
- - 047    "Parse rules from successive lines in the file loaded from this `filename`. -
- - 048     Return a list of S-expressions." -
- - 049    [filename] -
- - 050    (parse-string (slurp filename))) -
- - 051   -
- - 052  (defn compile-string -
- - 053    "Compile each non-comment line of this `string` into an executable anonymous -
- - 054     function, and return the sequence of such functions." -
- - 055    [string] -
- - 056    (map #(compile-rule % true) (remove comment? (split string #"\n")))) -
- - 057   -
- - 058  (defn compile-file -
- - 059    "Compile each non-comment line of the file indicated by this `filename` into -
- - 060     an executable anonymous function, and return the sequence of such functions." -
- - 061    [filename] -
- - 062    (compile-string (slurp filename))) -
- - diff --git a/docs/cloverage/mw_parser/core.clj.html b/docs/cloverage/mw_parser/core.clj.html deleted file mode 100644 index c7f4a54..0000000 --- a/docs/cloverage/mw_parser/core.clj.html +++ /dev/null @@ -1,1361 +0,0 @@ - - - - mw_parser/core.clj - - - - 001  (ns ^{:doc "A very simple parser which parses production rules." -
- - 002        :author "Simon Brooke"} -
- - 003    mw-parser.core -
- - 004    (:use mw-engine.utils -
- - 005          [clojure.string :only [split trim triml]]) -
- - 006    (:gen-class) -
- - 007  ) -
- - 008   -
- - 009  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 010  ;;;; -
- - 011  ;;;; mw-parser: a rule parser for MicroWorld. -
- - 012  ;;;; -
- - 013  ;;;; This program is free software; you can redistribute it and/or -
- - 014  ;;;; modify it under the terms of the GNU General Public License -
- - 015  ;;;; as published by the Free Software Foundation; either version 2 -
- - 016  ;;;; of the License, or (at your option) any later version. -
- - 017  ;;;; -
- - 018  ;;;; This program is distributed in the hope that it will be useful, -
- - 019  ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of -
- - 020  ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the -
- - 021  ;;;; GNU General Public License for more details. -
- - 022  ;;;; -
- - 023  ;;;; You should have received a copy of the GNU General Public License -
- - 024  ;;;; along with this program; if not, write to the Free Software -
- - 025  ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, -
- - 026  ;;;; USA. -
- - 027  ;;;; -
- - 028  ;;;; Copyright (C) 2014 Simon Brooke -
- - 029  ;;;; -
- - 030  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 031  ;;;; -
- - 032  ;;;; A very simple parser which parses production rules of the following forms: -
- - 033  ;;;; -
- - 034  ;;;; * "if altitude is less than 100 and state is forest then state should be climax and deer should be 3" -
- - 035  ;;;; * "if altitude is 100 or fertility is 25 then state should be heath and fertility should be 24.3" -
- - 036  ;;;; * "if altitude is 100 or fertility is 25 then state should be heath" -
- - 037  ;;;; * "if deer is more than 2 and wolves is 0 and fertility is more than 20 then deer should be deer + 2" -
- - 038  ;;;; * "if deer is more than 1 and wolves is more than 1 then deer should be deer - wolves" -
- - 039  ;;;; * "if state is grassland and 4 neighbours have state equal to water then state should be village" -
- - 040  ;;;; * "if state is forest and fertility is between 55 and 75 then state should be climax" -
- - 041  ;;;; * "if 6 neighbours have state equal to water then state should be village" -
- - 042  ;;;; * "if state is in grassland or pasture or heath and 4 neighbours are water then state should be village" -
- - 043  ;;;; * "if state is forest or state is climax and some neighbours have state equal to fire then 3 in 5 chance that state should be fire" -
- - 044  ;;;; * "if state is pasture and more than 3 neighbours have state equal to scrub then state should be scrub" -
- - 045  ;;;; * -
- - 046  ;;;; -
- - 047  ;;;; it generates rules in the form expected by `mw-engine.core`, q.v. -
- - 048  ;;;; -
- - 049  ;;;; It is, as I say, very simple; it generates a complete rule, or it fails completely, returning nil. -
- - 050  ;;;; Very occasionally it generates a wrong rule - one which is not a correct translation of the rule -
- - 051  ;;;; semantics - but that is buggy behaviour, which I'll try to fix over the next few weeks, not a -
- - 052  ;;;; design fault. -
- - 053  ;;;; -
- - 054  ;;;; More significantly it does not generate useful error messages on failure. -
- - 055  ;;;; -
- - 056  ;;;; This parser is now obsolete, but is retained in the codebase for now in -
- - 057  ;;;; case it is of use to anyone. Prefer the declarative.clj parser. -
- - 058  ;;;; -
- - 059  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 060   -
- - 061  (declare parse-conditions) -
- - 062  (declare parse-not-condition) -
- - 063  (declare parse-simple-condition) -
- - 064   -
- - 065  ;; a regular expression which matches string representation of positive numbers -
- - 066  (def re-number #"^[0-9.]*$") -
- - 067   -
- - 068  ;; error thrown when an attempt is made to set a reserved property -
- - 069  (def reserved-properties-error -
- - 070    "The properties 'x' and 'y' of a cell are reserved and should not be set in rule actions") -
- - 071  ;; error thrown when a rule cannot be parsed -
- - 072  (def bad-parse-error "I did not understand '%s'") -
- - 073   -
- - 074  (defn- keyword-or-numeric -
- - 075    "If this token appears to represent an explicit number, return that number; -
- - 076     otherwise, make a keyword of it and return that." -
- - 077    [token] -
- - 078    (cond -
- - 079      (re-matches re-number token) (read-string token) -
- - 080      (keyword? token) token -
- - 081      true (keyword token))) -
- - 082   -
- - 083  ;; Generally all functions in this file with names beginning 'parse-' take a -
- - 084  ;; sequence of tokens (and in some cases other optional arguments) and return a -
- - 085  ;; vector comprising -
- - 086  ;; -
- - 087  ;; 1. A code fragment parsed from the front of the sequence of tokens, and -
- - 088  ;; 2. the remaining tokens which were not consumed in constructing that fragment. -
- - 089  ;; -
- - 090  ;; In every case if the function cannot parse the desired construct from the -
- - 091  ;; front of the sequence of tokens it returns nil. -
- - 092   -
- - 093   -
- - 094  (defn parse-numeric-value -
- - 095    "Parse a number." -
- - 096    [[value & remainder]] -
- - 097    (if (and value (re-matches re-number value)) [(read-string value) remainder])) -
- - 098   -
- - 099  (defn parse-property-int -
- - 100    "Parse a token assumed to be the name of a property of the current cell, -
- - 101    whose value is assumed to be an integer." -
- - 102    [[value & remainder]] -
- - 103    (if value [(list 'get-int 'cell (keyword value)) remainder])) -
- - 104   -
- - 105  (defn parse-property-value -
- - 106    "Parse a token assumed to be the name of a property of the current cell." -
- - 107    [[value & remainder]] -
- - 108    (if value [(list (keyword value) 'cell) remainder])) -
- - 109   -
- - 110  (defn parse-token-value -
- - 111    "Parse a token assumed to be a simple token value." -
- - 112    [[value & remainder]] -
- - 113    (if value [(keyword value) remainder])) -
- - 114   -
- - 115  (defn parse-simple-value -
- - 116    "Parse a value from the first of these `tokens`. If `expect-int` is true, return -
- - 117     an integer or something which will evaluate to an integer." -
- - 118    ([tokens expect-int] -
- - 119      (or -
- - 120          (parse-numeric-value tokens) -
- - 121          (cond expect-int -
- - 122            (parse-property-int tokens) -
- - 123            true (parse-token-value tokens)))) -
- - 124    ([tokens] -
- - 125      (parse-simple-value tokens false))) -
- - 126   -
- - 127  (defn gen-token-value -
- - 128    "Parse a single value from this single token and return just the generated -
- - 129     code, not a pair." -
- - 130    [token expect-int] -
- - 131    (first (parse-simple-value (list token) expect-int))) -
- - 132   -
- - 133  (defn parse-disjunct-value -
- - 134    "Parse a list of values from among these `tokens`. If `expect-int` is true, return -
- - 135     integers or things which will evaluate to integers." -
- - 136    [[OR token & tokens] expect-int] -
- - 137    (cond (member? OR '("or" "in")) -
- - 138      (let [value (first (parse-simple-value (list token) expect-int)) -
- - 139            seek-others (= (first tokens) "or")] -
- - 140        (cond seek-others -
- - 141          (let [[others remainder] (parse-disjunct-value tokens expect-int)] -
- - 142            [(cons value others) remainder]) -
- - 143          true -
- - 144          [(list value) tokens])))) -
- - 145   -
- - 146  (defn parse-value -
- - 147    "Parse a value from among these `tokens`. If `expect-int` is true, return -
- - 148     an integer or something which will evaluate to an integer." -
- - 149    ([tokens expect-int] -
- - 150      (or -
- - 151        (parse-disjunct-value tokens expect-int) -
- - 152        (parse-simple-value tokens expect-int))) -
- - 153    ([tokens] -
- - 154      (parse-value tokens false))) -
- - 155   -
- - 156  (defn parse-member-condition -
- - 157    "Parses a condition of the form '[property] in [value] or [value]...'" -
- - 158    [[property IS IN & rest]] -
- - 159    (if (and (member? IS '("is" "are")) (= IN "in")) -
- - 160      (let [[l remainder] (parse-disjunct-value (cons "in" rest) false)] -
- - 161        [(list 'member? (list (keyword property) 'cell) (list 'quote l)) remainder]))) -
- - 162   -
- - 163  (defn- parse-less-condition -
- - 164    "Parse '[property] less than [value]'." -
- - 165    [[property IS LESS THAN & rest]] -
- - 166    (cond (and (member? IS '("is" "are")) (member? LESS '("less" "fewer")) (= THAN "than")) -
- - 167      (let [[value remainder] (parse-value rest true)] -
- - 168          [(list '< (list 'get-int 'cell (keyword property)) value) remainder]))) -
- - 169   -
- - 170  (defn- parse-more-condition -
- - 171    "Parse '[property] more than [value]'." -
- - 172    [[property IS MORE THAN & rest]] -
- - 173    (cond (and (member? IS '("is" "are")) (member? MORE '("more" "greater")) (= THAN "than")) -
- - 174      (let [[value remainder] (parse-value rest true)] -
- - 175          [(list '> (list 'get-int 'cell (keyword property)) value) remainder]))) -
- - 176   -
- - 177  (defn- parse-between-condition -
- - 178    [[p IS BETWEEN v1 AND v2 & rest]] -
- - 179    (cond (and (member? IS '("is" "are")) (= BETWEEN "between") (= AND "and") (not (nil? v2))) -
- - 180      (let [property (first (parse-simple-value (list p) true)) -
- - 181            value1 (first (parse-simple-value (list v1) true)) -
- - 182            value2 (first (parse-simple-value (list v2) true))] -
- - 183        [(list 'or -
- - 184              (list '< value1 property value2) -
- - 185              (list '> value1 property value2)) rest]))) -
- - 186   -
- - 187  (defn- parse-is-condition -
- - 188    "Parse clauses of the form 'x is y', 'x is in y or z...', -
- - 189     'x is between y and z', 'x is more than y' or 'x is less than y'. -
- - 190     It is necessary to disambiguate whether value is a numeric or keyword." -
- - 191    [[property IS value & rest]] -
- - 192    (cond -
- - 193      (member? IS '("is" "are")) -
- - 194      (let [tokens (cons property (cons value rest))] -
- - 195        (cond -
- - 196          (re-matches re-number value) [(list '= (list 'get-int 'cell (keyword property)) (read-string value)) rest] -
- - 197          value [(list '= (list (keyword property) 'cell) (keyword value)) rest])))) -
- - 198   -
- - 199  (defn- parse-not-condition -
- - 200    "Parse the negation of a simple condition." -
- - 201    [[property IS NOT & rest]] -
- - 202    (cond (and (member? IS '("is" "are")) (= NOT "not")) -
- - 203      (let [partial (parse-simple-condition (cons property (cons "is" rest)))] -
- - 204        (cond partial -
- - 205          (let [[condition remainder] partial] -
- - 206            [(list 'not condition) remainder]))))) -
- - 207   -
- - 208  (defn- gen-neighbours-condition -
- - 209    ([comp1 quantity property value remainder comp2 distance] -
- - 210      [(list comp1 -
- - 211           (list 'count -
- - 212                 (list 'get-neighbours-with-property-value 'world -
- - 213                       '(cell :x) '(cell :y) distance -
- - 214                       (keyword property) (keyword-or-numeric value) comp2)) -
- - 215           quantity) -
- - 216             remainder]) -
- - 217    ([comp1 quantity property value remainder comp2] -
- - 218      (gen-neighbours-condition comp1 quantity property value remainder comp2 1))) -
- - 219   -
- - 220  (defn parse-comparator-neighbours-condition -
- - 221    "Parse conditions of the form '...more than 6 neighbours are [condition]'" -
- - 222    [[MORE THAN n NEIGHBOURS WITHIN distance have-or-are & rest]] -
- - 223    (let [quantity (first (parse-numeric-value (list n))) -
- - 224          comparator (cond (= MORE "more") '> -
- - 225                       (member? MORE '("fewer" "less")) '<)] -
- - 226      (cond -
- - 227        (not= WITHIN "within") -
- - 228        (parse-comparator-neighbours-condition -
- - 229          (flatten -
- - 230            ;; two tokens were mis-parsed as 'within distance' that weren't -
- - 231            ;; actually 'within' and a distance. Splice in 'within 1' and try -
- - 232            ;; again. -
- - 233            (list MORE THAN n NEIGHBOURS "within" "1" WITHIN distance have-or-are rest))) -
- - 234        (and quantity -
- - 235             comparator -
- - 236             (= THAN "than") -
- - 237             (= NEIGHBOURS "neighbours")) -
- - 238        (cond -
- - 239          (= have-or-are "are") -
- - 240          (let [[value & remainder] rest -
- - 241                dist (gen-token-value distance true)] -
- - 242            (gen-neighbours-condition comparator quantity :state value remainder = dist)) -
- - 243          (= have-or-are "have") -
- - 244          (let [[property comp1 comp2 value & remainder] rest -
- - 245                dist (gen-token-value distance true)] -
- - 246            (cond (and (= comp1 "equal") (= comp2 "to")) -
- - 247              (gen-neighbours-condition comparator quantity property -
- - 248                                        value remainder = dist) -
- - 249              (and (= comp1 "more") (= comp2 "than")) -
- - 250              (gen-neighbours-condition comparator quantity property -
- - 251                                        value remainder > dist) -
- - 252              (and (= comp1 "less") (= comp2 "than")) -
- - 253              (gen-neighbours-condition comparator quantity property -
- - 254                                        value remainder < dist) -
- - 255              )))))) -
- - 256   -
- - 257  (defn parse-some-neighbours-condition -
- - 258    [[SOME NEIGHBOURS & rest]] -
- - 259    (cond -
- - 260      (and (= SOME "some") (= NEIGHBOURS "neighbours")) -
- - 261      (parse-comparator-neighbours-condition (concat '("more" "than" "0" "neighbours") rest)))) -
- - 262   -
- - 263  (defn parse-simple-neighbours-condition -
- - 264    "Parse conditions of the form '...6 neighbours are [condition]'" -
- - 265    [[n NEIGHBOURS WITHIN distance have-or-are & rest]] -
- - 266    (let [quantity (first (parse-numeric-value (list n)))] -
- - 267      (cond -
- - 268        (and quantity (= NEIGHBOURS "neighbours")) -
- - 269        (cond -
- - 270          (not= WITHIN "within") -
- - 271          (parse-simple-neighbours-condition -
- - 272            (flatten -
- - 273              ;; two tokens were mis-parsed as 'within distance' that weren't -
- - 274              ;; actually 'within' and a distance. Splice in 'within 1' and try -
- - 275              ;; again. -
- - 276              (list n NEIGHBOURS "within" "1" WITHIN distance have-or-are rest))) -
- - 277          (= have-or-are "are") -
- - 278          (let [[value & remainder] rest -
- - 279                dist (gen-token-value distance true)] -
- - 280            (gen-neighbours-condition '= quantity :state value remainder = dist)) -
- - 281          (= have-or-are "have") -
- - 282          (let [[property comp1 comp2 value & remainder] rest -
- - 283                dist (gen-token-value distance true)] -
- - 284            (cond (and (= comp1 "equal") (= comp2 "to")) -
- - 285              (gen-neighbours-condition '= quantity property value remainder = -
- - 286                                        dist) -
- - 287              (and (= comp1 "more") (= comp2 "than")) -
- - 288              (gen-neighbours-condition '= quantity property value remainder > -
- - 289                                        dist) -
- - 290              (and (= comp1 "less") (= comp2 "than")) -
- - 291              (gen-neighbours-condition '= quantity property value remainder < -
- - 292                                        dist) -
- - 293              )))))) -
- - 294   -
- - 295  (defn parse-neighbours-condition -
- - 296    "Parse conditions referring to neighbours" -
- - 297    [tokens] -
- - 298    (or -
- - 299      (parse-simple-neighbours-condition tokens) -
- - 300      (parse-comparator-neighbours-condition tokens) -
- - 301      (parse-some-neighbours-condition tokens) -
- - 302      )) -
- - 303   -
- - 304  (defn parse-simple-condition -
- - 305    "Parse conditions of the form '[property] [comparison] [value]'." -
- - 306    [tokens] -
- - 307    (or -
- - 308      (parse-neighbours-condition tokens) -
- - 309      (parse-member-condition tokens) -
- - 310      (parse-not-condition tokens) -
- - 311      (parse-less-condition tokens) -
- - 312      (parse-more-condition tokens) -
- - 313      (parse-between-condition tokens) -
- - 314      (parse-is-condition tokens))) -
- - 315   -
- - 316  (defn- parse-disjunction-condition -
- - 317    "Parse '... or [condition]' from `tokens`, where `left` is the already parsed first disjunct." -
- - 318    [left tokens] -
- - 319    (let [partial (parse-conditions tokens)] -
- - 320      (if partial -
- - 321        (let [[right remainder] partial] -
- - 322          [(list 'or left right) remainder])))) -
- - 323   -
- - 324  (defn- parse-conjunction-condition -
- - 325    "Parse '... and [condition]' from `tokens`, where `left` is the already parsed first conjunct." -
- - 326    [left tokens] -
- - 327    (let [partial (parse-conditions tokens)] -
- - 328      (if partial -
- - 329        (let [[right remainder] partial] -
- - 330          [(list 'and left right) remainder])))) -
- - 331   -
- - 332  (defn- parse-conditions -
- - 333    "Parse conditions from `tokens`, where conditions may be linked by either 'and' or 'or'." -
- - 334    [tokens] -
- - 335    (let [partial (parse-simple-condition tokens)] -
- - 336      (if partial -
- - 337        (let [[left [next & remainder]] partial] -
- - 338          (cond -
- - 339            (= next "and") (parse-conjunction-condition left remainder) -
- - 340            (= next "or") (parse-disjunction-condition left remainder) -
- - 341            true partial))))) -
- - 342   -
- - 343  (defn- parse-left-hand-side -
- - 344   "Parse the left hand side ('if...') of a production rule." -
- - 345   [[IF & tokens]] -
- - 346   (if -
- - 347     (= IF "if") -
- - 348     (parse-conditions tokens))) -
- - 349   -
- - 350  (defn- parse-arithmetic-action -
- - 351    "Parse actions of the form '[property] should be [property] [arithmetic-operator] [value]', -
- - 352     e.g. 'fertility should be fertility + 1', or 'deer should be deer - wolves'." -
- - 353    [previous [prop1 SHOULD BE prop2 operator value & rest]] -
- - 354    (cond -
- - 355      (member? prop1 '("x" "y")) -
- - 356      (throw -
- - 357        (Exception. reserved-properties-error)) -
- - 358      (and (= SHOULD "should") -
- - 359             (= BE "be") -
- - 360             (member? operator '("+" "-" "*" "/"))) -
- - 361      [(list 'merge (or previous 'cell) -
- - 362             {(keyword prop1) (list 'int -
- - 363                                    (list (symbol operator) (list 'get-int 'cell (keyword prop2)) -
- - 364                                          (cond -
- - 365                                            (re-matches re-number value) (read-string value) -
- - 366                                            true (list 'get-int 'cell (keyword value)))))}) rest])) -
- - 367   -
- - 368  (defn- parse-set-action -
- - 369    "Parse actions of the form '[property] should be [value].'" -
- - 370    [previous [property SHOULD BE value & rest]] -
- - 371    (cond -
- - 372      (member? property '("x" "y")) -
- - 373      (throw -
- - 374        (Exception. reserved-properties-error)) -
- - 375      (and (= SHOULD "should") (= BE "be")) -
- - 376      [(list 'merge (or previous 'cell) -
- - 377             {(keyword property) (cond (re-matches re-number value) (read-string value) true (keyword value))}) rest])) -
- - 378   -
- - 379  (defn- parse-simple-action [previous tokens] -
- - 380    (or (parse-arithmetic-action previous tokens) -
- - 381        (parse-set-action previous tokens))) -
- - 382   -
- - 383  (defn- parse-actions -
- - 384    "Parse actions from tokens." -
- - 385    [previous tokens] -
- - 386    (let [[left remainder] (parse-simple-action previous tokens)] -
- - 387      (cond left -
- - 388            (cond (= (first remainder) "and") -
- - 389                  (parse-actions left (rest remainder)) -
- - 390                  true (list left))))) -
- - 391   -
- - 392  (defn- parse-probability -
- - 393    "Parse a probability of an action from this collection of tokens" -
- - 394    [previous [n CHANCE IN m & tokens]] -
- - 395    (cond -
- - 396      (and (= CHANCE "chance")(= IN "in")) -
- - 397      (let [[action remainder] (parse-actions previous tokens)] -
- - 398        (cond action -
- - 399          [(list 'cond -
- - 400                (list '< -
- - 401                      (list 'rand -
- - 402                            (first (parse-simple-value (list m) true))) -
- - 403                      (first (parse-simple-value (list n) true))) -
- - 404                action) remainder])))) -
- - 405   -
- - 406  (defn- parse-right-hand-side -
- - 407    "Parse the right hand side ('then...') of a production rule." -
- - 408    [[THEN & tokens]] -
- - 409    (if (= THEN "then") -
- - 410      (or -
- - 411        (parse-probability nil tokens) -
- - 412        (parse-actions nil tokens)))) -
- - 413   -
- - 414  (defn parse-rule -
- - 415    "Parse a complete rule from this `line`, expected to be either a string or a -
- - 416     sequence of string tokens. Return the rule in the form of an S-expression. -
- - 417   -
- - 418     Throws an exception if parsing fails." -
- - 419    [line] -
- - 420    (cond -
- - 421     (string? line) -
- - 422     (let [rule (parse-rule (split (triml line) #"\s+"))] -
- - 423       (cond rule rule -
- - 424         true (throw (Exception. (format bad-parse-error line))))) -
- - 425     true -
- - 426     (let [[left remainder] (parse-left-hand-side line) -
- - 427                [right junk] (parse-right-hand-side remainder)] -
- - 428       (cond -
- - 429         ;; there should be a valide left hand side and a valid right hand side -
- - 430         ;; there shouldn't be anything left over (junk should be empty) -
- - 431         (and left right (empty? junk)) -
- - 432         (list 'fn ['cell 'world] (list 'if left right)))))) -
- - 433   -
- - 434  (defn compile-rule -
- - 435    "Parse this `rule-text`, a string conforming to the grammar of MicroWorld rules, -
- - 436     into Clojure source, and then compile it into an anonymous -
- - 437     function object, getting round the problem of binding mw-engine.utils in -
- - 438     the compiling environment. If `return-tuple?` is present and true, return -
- - 439     a list comprising the anonymous function compiled, and the function from -
- - 440     which it was compiled. -
- - 441   -
- - 442     Throws an exception if parsing fails." -
- - 443    ([rule-text return-tuple?] -
- - 444      (do -
- - 445        (use 'mw-engine.utils) -
- - 446        (let [afn (eval (parse-rule rule-text))] -
- - 447          (cond -
- - 448            (and afn return-tuple?)(list afn (trim rule-text)) -
- - 449            true afn)))) -
- - 450    ([rule-text] -
- - 451      (compile-rule rule-text false))) -
- - diff --git a/docs/cloverage/mw_parser/declarative.clj.html b/docs/cloverage/mw_parser/declarative.clj.html deleted file mode 100644 index f8e95a9..0000000 --- a/docs/cloverage/mw_parser/declarative.clj.html +++ /dev/null @@ -1,479 +0,0 @@ - - - - mw_parser/declarative.clj - - - - 001  (ns ^{:doc "A very simple parser which parses production rules." -
- - 002        :author "Simon Brooke"} -
- - 003   mw-parser.declarative -
- - 004    (:require [instaparse.core :refer [parser]] -
- - 005              [clojure.string :refer [join trim]] -
- - 006              [mw-parser.errors :refer [throw-parse-exception]] -
- - 007              [mw-parser.generate :refer [generate]] -
- - 008              [mw-parser.simplify :refer [simplify]] -
- - 009              [mw-parser.utils :refer [rule?]] -
- - 010              [trptr.java-wrapper.locale :refer [get-default]]) -
- - 011    (:import [java.util Locale])) -
- - 012   -
- - 013  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 014  ;;;; -
- - 015  ;;;; mw-parser: a rule parser for MicroWorld. -
- - 016  ;;;; -
- - 017  ;;;; This program is free software; you can redistribute it and/or -
- - 018  ;;;; modify it under the terms of the GNU General Public License -
- - 019  ;;;; as published by the Free Software Foundation; either version 2 -
- - 020  ;;;; of the License, or (at your option) any later version. -
- - 021  ;;;; -
- - 022  ;;;; This program is distributed in the hope that it will be useful, -
- - 023  ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of -
- - 024  ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the -
- - 025  ;;;; GNU General Public License for more details. -
- - 026  ;;;; -
- - 027  ;;;; You should have received a copy of the GNU General Public License -
- - 028  ;;;; along with this program; if not, write to the Free Software -
- - 029  ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, -
- - 030  ;;;; USA. -
- - 031  ;;;; -
- - 032  ;;;; Copyright (C) 2014 Simon Brooke -
- - 033  ;;;; -
- - 034  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 035   -
- - 036  (def rule-grammar -
- - 037    "Basic rule language grammar. -
- - 038      -
- - 039    in order to simplify translation into other natural languages, all -
- - 040    TOKENS within the parser should be unambiguou." -
- - 041    (join "\n" ["RULE := IF SPACE CONDITIONS SPACE THEN SPACE ACTIONS;" -
- - 042                "ACTIONS := ACTION | ACTION SPACE AND SPACE ACTIONS" -
- - 043                "ACTION := SIMPLE-ACTION | PROBABLE-ACTION;" -
- - 044                "PROBABLE-ACTION := VALUE SPACE CHANCE-IN SPACE VALUE SPACE SIMPLE-ACTION;" -
- - 045                "SIMPLE-ACTION := SYMBOL SPACE BECOMES SPACE EXPRESSION;"])) -
- - 046   -
- - 047  (def common-grammar -
- - 048    "Grammar rules used both in the rule grammar and in the flow grammar" -
- - 049    (join "\n" ["COMPARATIVE := MORE | LESS;" -
- - 050                "COMPARATIVE-QUALIFIER := IS SPACE COMPARATIVE SPACE THAN | COMPARATIVE SPACE THAN;" -
- - 051                "CONDITION := WITHIN-CONDITION | NEIGHBOURS-CONDITION | PROPERTY-CONDITION;" -
- - 052                "CONDITIONS := DISJUNCT-CONDITION | CONJUNCT-CONDITION | CONDITION ;" -
- - 053                "CONJUNCT-CONDITION := CONDITION SPACE AND SPACE CONDITIONS;" -
- - 054                "DISJUNCT-CONDITION := CONDITION SPACE OR SPACE CONDITIONS;" -
- - 055                "DISJUNCT-EXPRESSION := IN SPACE DISJUNCT-VALUE;" -
- - 056                "DISJUNCT-VALUE := VALUE | VALUE SPACE OR SPACE DISJUNCT-VALUE;" -
- - 057                "EQUIVALENCE := IS SPACE EQUAL | EQUAL | IS ;" -
- - 058                "EXPRESSION := SIMPLE-EXPRESSION | RANGE-EXPRESSION | NUMERIC-EXPRESSION | DISJUNCT-EXPRESSION | VALUE;" -
- - 059                "NEGATED-QUALIFIER := QUALIFIER SPACE NOT | NOT SPACE QUALIFIER;" -
- - 060                "NEIGHBOURS-CONDITION := QUANTIFIER SPACE NEIGHBOURS SPACE IS SPACE PROPERTY-CONDITION | QUALIFIER SPACE NEIGHBOURS-CONDITION;" -
- - 061                "NUMBER := #'[0-9]+' | #'[0-9]+.[0-9]+';" -
- - 062                "NUMERIC-EXPRESSION := VALUE | VALUE SPACE OPERATOR SPACE NUMERIC-EXPRESSION;" -
- - 063                "OPERATOR := '+' | '-' | '*' | '/';" -
- - 064                "PROPERTY := SYMBOL;" -
- - 065                "PROPERTY-CONDITION := PROPERTY SPACE QUALIFIER SPACE EXPRESSION | VALUE;" -
- - 066                "PROPERTY-CONDITION-OR-EXPRESSION := PROPERTY-CONDITION | EXPRESSION;" -
- - 067                "QUALIFIER := COMPARATIVE-QUALIFIER | NEGATED-QUALIFIER | EQUIVALENCE | IS SPACE QUALIFIER;" -
- - 068                "QUANTIFIER := NUMBER | SOME | NONE | ALL | COMPARATIVE SPACE THAN SPACE NUMBER;" -
- - 069                "RANGE-EXPRESSION := BETWEEN SPACE NUMERIC-EXPRESSION SPACE AND SPACE NUMERIC-EXPRESSION;" -
- - 070                "SIMPLE-EXPRESSION := QUALIFIER SPACE EXPRESSION | VALUE;" -
- - 071                "SPACE := #'\\s+';" -
- - 072                "VALUE := SYMBOL | NUMBER;" -
- - 073                "VALUE := SYMBOL | NUMBER;" -
- - 074                "WITHIN-CONDITION := QUANTIFIER SPACE NEIGHBOURS SPACE WITHIN SPACE NUMBER SPACE IS SPACE PROPERTY-CONDITION-OR-EXPRESSION;" -
- - 075                ])) -
- - 076   -
- - 077  (def keywords-en -
- - 078    "English language keyword literals used in rules - both in production -
- - 079     rules (this namespace) and in flow rules (see mw-parser.flow). -
- - 080         -
- - 081        It's a long term aim that the rule language should be easy to  -
- - 082        internationalise; this isn't a full solution but it's a step towards -
- - 083        a solution." -
- - 084    (join "\n" ["ALL := 'all'"  -
- - 085                "AND := 'and';"  -
- - 086                "BECOMES := 'should be' | 'becomes';"  -
- - 087                "BETWEEN := 'between';"  -
- - 088                "CHANCE-IN := 'chance in';"  -
- - 089                "EACH := 'each' | 'every' | 'all';" -
- - 090                "EQUAL := 'equal to';"  -
- - 091                "FIRST := 'first';" -
- - 092                "FLOW := 'flow' | 'move';"  -
- - 093                "FROM := 'from';" -
- - 094                "IF := 'if';"  -
- - 095                "IN := 'in';"  -
- - 096                "IS := 'is' | 'are' | 'have' | 'has';"  -
- - 097                "LEAST := 'least';" -
- - 098                "LESS := 'less' | 'fewer';"  -
- - 099                "MORE := 'more' | 'greater';"  -
- - 100                "MOST := 'most';" -
- - 101                "NEIGHBOURS := 'neighbour' | 'neighbor' | 'neighbours' | 'neighbors';"  -
- - 102                "NONE := 'no';"  -
- - 103                "NOT := 'not';"  -
- - 104                "OR := 'or';"  -
- - 105                "SOME := 'some';"  -
- - 106                ;; SYMBOL is in the per-language file so that languages that use -
- - 107                ;; (e.g.) Cyrillic characters can change the definition. -
- - 108                "SYMBOL := #'[a-z]+';"  -
- - 109                "THAN := 'than';"  -
- - 110                "THEN := 'then';"  -
- - 111                "TO := 'to';" -
- - 112                "WITH := 'with' | 'where' | 'having';" -
- - 113                "WITHIN := 'within';"])) -
- - 114   -
- - 115  (defn keywords-for-locale -
- - 116    "For now, just return `keywords-en`; plan is to have resource files of  -
- - 117     keywords for different languages in a resource directory, but that isn't -
- - 118     done yet. It's probably not going to work easily for languages that use -
- - 119     non-latin alphabets, anyway." -
- - 120    ([] -
- - 121     (keywords-for-locale (get-default))) -
- - 122    ([^Locale _locale] -
- - 123     keywords-en)) -
- - 124   -
- - 125  (defmacro build-parser  -
- - 126    "Compose this grammar fragment `g` with the common grammar fragments to  -
- - 127     make a complete grammar, and return a parser for that complete grammar." -
- - 128    [g] -
- - 129    `(parser (join "\n" [~g common-grammar (keywords-for-locale)]))) -
- - 130   -
- - 131  (def parse-rule -
- - 132    "Parse the argument, assumed to be a string in the correct syntax, and return a parse tree." -
- - 133    (build-parser rule-grammar)) -
- - 134   -
- - 135  (defn compile-rule -
- - 136    "Parse this `rule-text`, a string conforming to the grammar of MicroWorld rules, -
- - 137    into Clojure source, and then compile it into an anonymous -
- - 138    function object, getting round the problem of binding mw-engine.utils in -
- - 139    the compiling environment. If `return-tuple?` is present and true, return -
- - 140    a list comprising the anonymous function compiled, and the function from -
- - 141    which it was compiled. -
- - 142   -
- - 143    Throws an exception if parsing fails." -
- - 144    ([rule-text return-tuple?] -
- - 145     (assert (string? rule-text)) -
- - 146     (let [rule (trim rule-text) -
- - 147           tree (simplify (parse-rule rule)) -
- - 148           afn (if (rule? tree) (eval (generate tree)) -
- - 149                 ;; else -
- - 150                   (throw-parse-exception tree))] -
- - 151       (if return-tuple? -
- - 152         (list afn rule) -
- - 153         ;; else -
- - 154         afn))) -
- - 155    ([rule-text] -
- - 156     (compile-rule rule-text false))) -
- - 157   -
- - diff --git a/docs/cloverage/mw_parser/errors.clj.html b/docs/cloverage/mw_parser/errors.clj.html deleted file mode 100644 index 1a0877a..0000000 --- a/docs/cloverage/mw_parser/errors.clj.html +++ /dev/null @@ -1,212 +0,0 @@ - - - - mw_parser/errors.clj - - - - 001  (ns ^{:doc "Display parse errors in a format which makes it easy for the user -
- - 002        to see where the error occurred." -
- - 003        :author "Simon Brooke"} -
- - 004    mw-parser.errors) -
- - 005   -
- - 006  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 007  ;; -
- - 008  ;; This program is free software; you can redistribute it and/or -
- - 009  ;; modify it under the terms of the GNU General Public License -
- - 010  ;; as published by the Free Software Foundation; either version 2 -
- - 011  ;; of the License, or (at your option) any later version. -
- - 012  ;; -
- - 013  ;; This program is distributed in the hope that it will be useful, -
- - 014  ;; but WITHOUT ANY WARRANTY; without even the implied warranty of -
- - 015  ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the -
- - 016  ;; GNU General Public License for more details. -
- - 017  ;; -
- - 018  ;; You should have received a copy of the GNU General Public License -
- - 019  ;; along with this program; if not, write to the Free Software -
- - 020  ;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, -
- - 021  ;; USA. -
- - 022  ;; -
- - 023  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 024   -
- - 025   -
- - 026  ;; error thrown when an attempt is made to set a reserved property -
- - 027  (def reserved-properties-error -
- - 028    "The properties 'x' and 'y' of a cell are reserved and should not be set in rule actions") -
- - 029  ;; error thrown when a rule cannot be parsed. Slots are for -
- - 030  ;; (1) rule text -
- - 031  ;; (2) cursor showing where in the rule text the error occurred -
- - 032  ;; (3) the reason for the error -
- - 033  (def bad-parse-error "I did not understand:\n  '%s'\n  %s\n  %s") -
- - 034   -
- - 035   -
- - 036  (defn- explain-parse-error-reason -
- - 037    "Attempt to explain the reason for the parse error." -
- - 038    [reason] -
- - 039    (str "Expecting one of (" (apply str (map #(str (:expecting %) " ") reason)) ")")) -
- - 040   -
- - 041   -
- - 042  (defn- parser-error-to-map -
- - 043    [parser-error] -
- - 044    (let [m (reduce (fn [map item](merge map {(first item)(second item)})) {} parser-error) -
- - 045          reason (map -
- - 046                   #(reduce (fn [map item] (merge {(first item) (second item)} map)) {} %) -
- - 047                   (:reason m))] -
- - 048      (merge m {:reason reason}))) -
- - 049   -
- - 050   -
- - 051  (defn throw-parse-exception -
- - 052    "Construct a helpful error message from this `parser-error`, and throw an exception with that message." -
- - 053    [parser-error] -
- - 054    (assert (coll? parser-error) "Expected a paser error structure?") -
- - 055    (let -
- - 056      [ -
- - 057        ;; the error structure is a list, such that each element is a list of two items, and -
- - 058        ;; the first element in each sublist is a keyword. Easier to work with it as a map -
- - 059       error-map (parser-error-to-map parser-error) -
- - 060       text (:text error-map) -
- - 061       reason (explain-parse-error-reason (:reason error-map)) -
- - 062        ;; rules have only one line, by definition; we're interested in the column -
- - 063       column (if (:column error-map)(:column error-map) 0) -
- - 064        ;; create a cursor to point to that column -
- - 065       cursor (apply str (reverse (conj (repeat column " ") "^"))) -
- - 066       message (format bad-parse-error text cursor reason) -
- - 067       ] -
- - 068    (throw (Exception. message)))) -
- - diff --git a/docs/cloverage/mw_parser/flow.clj.html b/docs/cloverage/mw_parser/flow.clj.html deleted file mode 100644 index eafe82b..0000000 --- a/docs/cloverage/mw_parser/flow.clj.html +++ /dev/null @@ -1,209 +0,0 @@ - - - - mw_parser/flow.clj - - - - 001  (ns ^{:doc "A very simple parser which parses flow rules." -
- - 002        :author "Simon Brooke"} -
- - 003   mw-parser.flow -
- - 004    (:require [clojure.string :refer [join]] -
- - 005              [mw-parser.declarative :refer [build-parser]] -
- - 006              [mw-parser.simplify :refer [simplify-second-of-two]])) -
- - 007   -
- - 008  (def flow-grammar -
- - 009    "Grammar for flow rules. -
- - 010               -
- - 011     My initial conception of this would be that production rules  -
- - 012     (if-then rules) and flow rules (flow-from-to rules) would be  -
- - 013     entirely separate, presented to the parser as separate text  -
- - 014     files, and parsed and compiled by different chains of functions. -
- - 015               -
- - 016     This appears not to be necessary. Flow rules are easy to parse -
- - 017     with the same parser as production rules -- a lot of the grammar  -
- - 018     is intentionally common -- and the rules are easily discriminated -
- - 019     at the compilation ('generate') stage. -
- - 020      -
- - 021     The basic rule I want to be able to compile at this stage is the 'mutual -
- - 022     aid' rule: -
- - 023   -
- - 024     `flow 1 food from house having food > 1 to house with least food within 2` -
- - 025     " -
- - 026    (join "\n" ["FLOW-RULE := FLOW SPACE QUANTITY SPACE PROPERTY SPACE FROM SPACE SOURCE SPACE TO-HOW SPACE DESTINATION;" -
- - 027                "PERCENTAGE := NUMBER #'%';" -
- - 028                "QUANTITY := PERCENTAGE | NUMBER | EXPRESSION | SOME;" -
- - 029                "SOURCE := STATE | STATE SPACE WITH SPACE CONDITIONS;" -
- - 030                "DESTINATION := STATE | STATE SPACE WITH SPACE FLOW-CONDITIONS | STATE SPACE WITHIN SPACE VALUE SPACE WITH SPACE FLOW-CONDITIONS;" -
- - 031                "DETERMINER := MOST | LEAST;" -
- - 032                "DETERMINER-CONDITION := DETERMINER SPACE PROPERTY | DETERMINER SPACE PROPERTY;" -
- - 033                "FLOW-CONDITIONS := DETERMINER-CONDITION | CONDITIONS" -
- - 034                "STATE := SYMBOL;" -
- - 035                "TO-HOW := TO | TO-EACH | TO-FIRST;" -
- - 036                "TO-EACH := TO SPACE EACH | TO SPACE ALL;" -
- - 037                "TO-FIRST := TO SPACE FIRST"])) -
- - 038   -
- - 039  (def parse-flow -
- - 040    "Parse the argument, assumed to be a string in the correct syntax, and return a parse tree." -
- - 041    (build-parser flow-grammar)) -
- - 042   -
- - 043  (defn simplify-flow -
- - 044    [tree] -
- - 045    (if (coll? tree) -
- - 046      (case (first tree) -
- - 047        :CONDITION (simplify-second-of-two tree) -
- - 048        :CONDITIONS (simplify-second-of-two tree) -
- - 049        :DETERMINER (simplify-second-of-two tree) -
- - 050  ;;      :DETERMINER-CONDITION (simplify-determiner-condition tree) -
- - 051        :EXPRESSION (simplify-second-of-two tree) -
- - 052        :FLOW nil -
- - 053  ;;      :FLOW-CONDITIONS (simplify-second-of-two tree) -
- - 054        :PROPERTY (simplify-second-of-two tree) -
- - 055        :PROPERTY-CONDITION-OR-EXPRESSION (simplify-second-of-two tree) -
- - 056        :SPACE nil -
- - 057        :QUANTITY (simplify-second-of-two tree) -
- - 058        :STATE (list :PROPERTY-CONDITION -
- - 059                     (list :SYMBOL "state") -
- - 060                     '(:QUALIFIER -
- - 061                       (:EQUIVALENCE -
- - 062                        (:IS "is"))) -
- - 063                     (list :EXPRESSION -
- - 064                           (list :VALUE (second tree)))) -
- - 065        (remove nil? (map simplify-flow tree))) -
- - 066      tree)) -
- - 067   -
- - diff --git a/docs/cloverage/mw_parser/generate.clj.html b/docs/cloverage/mw_parser/generate.clj.html deleted file mode 100644 index ee2d23d..0000000 --- a/docs/cloverage/mw_parser/generate.clj.html +++ /dev/null @@ -1,992 +0,0 @@ - - - - mw_parser/generate.clj - - - - 001  (ns ^{:doc "Generate Clojure source from simplified parse trees." -
- - 002        :author "Simon Brooke"} -
- - 003   mw-parser.generate -
- - 004    (:require [clojure.pprint :refer [pprint]] -
- - 005              [clojure.tools.trace :refer [deftrace]] -
- - 006              [mw-parser.utils :refer [assert-type TODO]] -
- - 007              [mw-parser.errors :as pe])) -
- - 008   -
- - 009  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 010  ;; -
- - 011  ;; This program is free software; you can redistribute it and/or -
- - 012  ;; modify it under the terms of the GNU General Public License -
- - 013  ;; as published by the Free Software Foundation; either version 2 -
- - 014  ;; of the License, or (at your option) any later version. -
- - 015  ;; -
- - 016  ;; This program is distributed in the hope that it will be useful, -
- - 017  ;; but WITHOUT ANY WARRANTY; without even the implied warranty of -
- - 018  ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the -
- - 019  ;; GNU General Public License for more details. -
- - 020  ;; -
- - 021  ;; You should have received a copy of the GNU General Public License -
- - 022  ;; along with this program; if not, write to the Free Software -
- - 023  ;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, -
- - 024  ;; USA. -
- - 025  ;; -
- - 026  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 027   -
- - 028  (declare generate generate-action) -
- - 029   -
- - 030  (defn generate-rule -
- - 031    "From this `tree`, assumed to be a syntactically correct rule specification, -
- - 032    generate and return the appropriate rule as a function of two arguments." -
- - 033    [tree] -
- - 034    (assert-type tree :RULE) -
- - 035    (vary-meta -
- - 036     (list 'fn ['cell 'world] (list 'when (generate (nth tree 2)) (generate (nth tree 3)))) -
- - 037     merge -
- - 038     {:rule-type -
- - 039      :production})) -
- - 040   -
- - 041  (defn generate-conditions -
- - 042    "From this `tree`, assumed to be a syntactically correct conditions clause, -
- - 043    generate and return the appropriate clojure fragment." -
- - 044    [tree] -
- - 045    (assert-type tree :CONDITIONS) -
- - 046    (generate (second tree))) -
- - 047   -
- - 048  (defn generate-condition -
- - 049    "From this `tree`, assumed to be a syntactically correct condition clause, -
- - 050    generate and return the appropriate clojure fragment." -
- - 051    [tree] -
- - 052    (assert-type tree :CONDITION) -
- - 053    (generate (second tree))) -
- - 054   -
- - 055  (defn generate-conjunct-condition -
- - 056    "From this `tree`, assumed to be a syntactically conjunct correct condition clause, -
- - 057    generate and return the appropriate clojure fragment." -
- - 058    [tree] -
- - 059    (assert-type tree :CONJUNCT-CONDITION) -
- - 060    (cons 'and (map generate (rest tree)))) -
- - 061   -
- - 062  (defn generate-disjunct-condition -
- - 063    "From this `tree`, assumed to be a syntactically correct disjunct condition clause, -
- - 064    generate and return the appropriate clojure fragment." -
- - 065    [tree] -
- - 066    (assert-type tree :DISJUNCT-CONDITION) -
- - 067    (cons 'or (map generate (rest tree)))) -
- - 068   -
- - 069  (defn generate-ranged-property-condition -
- - 070    "From this `tree`, assumed to be a syntactically property condition clause for -
- - 071    this `property` where the `expression` is a numeric range, generate and return -
- - 072    the appropriate clojure fragment." -
- - 073    [tree property expression] -
- - 074    (assert-type tree :PROPERTY-CONDITION) -
- - 075    (assert-type (nth tree 3) :RANGE-EXPRESSION) -
- - 076    (let [l1 (generate (nth expression 2)) -
- - 077          l2 (generate (nth expression 4)) -
- - 078          pv (list property 'cell)] -
- - 079      (list 'let ['lower (list 'min l1 l2) -
- - 080                  'upper (list 'max l1 l2)] -
- - 081            (list 'and (list '>= pv 'lower) (list '<= pv 'upper))))) -
- - 082   -
- - 083  (defn generate-disjunct-property-condition -
- - 084    "From this `tree`, assumed to be a syntactically property condition clause -
- - 085    where the expression is a a disjunction, generate and return -
- - 086    the appropriate clojure fragment. -
- - 087    TODO: this is definitely still wrong!" -
- - 088    ([tree] -
- - 089     (let [property (generate (second tree)) -
- - 090           qualifier (generate (nth tree 2)) -
- - 091           expression (generate (nth tree 3))] -
- - 092       (generate-disjunct-property-condition tree property qualifier expression))) -
- - 093    ([_tree property qualifier expression] -
- - 094     (let [e (list expression (list property 'cell))] -
- - 095       (if (= qualifier '=) e -
- - 096           (list 'not e))))) -
- - 097   -
- - 098  (defn generate-property-condition -
- - 099    "From this `tree`, assumed to be a syntactically property condition clause, -
- - 100    generate and return the appropriate clojure fragment." -
- - 101    ([tree] -
- - 102     (assert-type tree :PROPERTY-CONDITION) -
- - 103     (if -
- - 104      (and (= (count tree) 2) (= (first (second tree)) :SYMBOL)) -
- - 105       ;; it's a shorthand for 'state equal to symbol'. This should probably have -
- - 106       ;; been handled in simplify... -
- - 107       (generate-property-condition -
- - 108        (list -
- - 109         :PROPERTY-CONDITION -
- - 110         '(:SYMBOL "state") -
- - 111         '(:QUALIFIER (:EQUIVALENCE (:EQUAL "equal to"))) -
- - 112         (second tree))) -
- - 113       ;; otherwise... -
- - 114       (generate-property-condition tree (first (nth tree 3))))) -
- - 115    ([tree expression-type] -
- - 116     (assert-type tree :PROPERTY-CONDITION) -
- - 117     (let [property (generate (second tree)) -
- - 118           qualifier (generate (nth tree 2)) -
- - 119           e (generate (nth tree 3)) -
- - 120           expression (cond -
- - 121                        (and (not (= qualifier '=)) (keyword? e)) (list 'or (list e 'cell) e) -
- - 122                        (and (not (= qualifier 'not=)) (keyword? e)) (list 'or (list e 'cell) e) -
- - 123                        :else e)] -
- - 124       (case expression-type -
- - 125         :DISJUNCT-EXPRESSION (generate-disjunct-property-condition tree property qualifier expression) -
- - 126         :RANGE-EXPRESSION (generate-ranged-property-condition tree property expression) -
- - 127         (list qualifier (list property 'cell) expression))))) -
- - 128   -
- - 129  (defn generate-qualifier -
- - 130    "From this `tree`, assumed to be a syntactically correct qualifier, -
- - 131    generate and return the appropriate clojure fragment." -
- - 132    [tree] -
- - 133    (if -
- - 134     (= (count tree) 2) -
- - 135      (generate (second tree)) -
- - 136      ;; else -
- - 137      (generate (nth tree 2)))) -
- - 138   -
- - 139  (defn generate-simple-action -
- - 140    "From this `tree`, assumed to be a syntactically correct simple action, -
- - 141    generate and return the appropriate clojure fragment." -
- - 142    ([tree] -
- - 143     (assert-type tree :SIMPLE-ACTION) -
- - 144     (generate-simple-action tree [])) -
- - 145    ([tree others] -
- - 146     (assert-type tree :SIMPLE-ACTION) -
- - 147     (let [property (generate (second tree)) -
- - 148           expression (generate (nth tree 3))] -
- - 149       (if (or (= property :x) (= property :y)) -
- - 150         (throw (Exception. pe/reserved-properties-error)) -
- - 151         (list 'merge -
- - 152               (if (empty? others) 'cell -
- - 153                 ;; else -
- - 154                   (generate others)) -
- - 155               {property expression}))))) -
- - 156   -
- - 157  (defn generate-probable-action -
- - 158    "From this `tree`, assumed to be a syntactically correct probable action, -
- - 159    generate and return the appropriate clojure fragment." -
- - 160    ([tree] -
- - 161     (assert-type tree :PROBABLE-ACTION) -
- - 162     (generate-probable-action tree [])) -
- - 163    ([tree others] -
- - 164     (assert-type tree :PROBABLE-ACTION) -
- - 165     (let -
- - 166      [chances (generate (nth tree 1)) -
- - 167       total (generate (nth tree 2)) -
- - 168       action (generate-action (nth tree 3) others)] -
- - 169      ;; TODO: could almost certainly be done better with macro syntax -
- - 170       (list 'if -
- - 171             (list '< (list 'rand total) chances) -
- - 172             action)))) -
- - 173   -
- - 174  (defn generate-action -
- - 175    "From this `tree`, assumed to be a syntactically correct action, -
- - 176    generate and return the appropriate clojure fragment." -
- - 177    [tree others] -
- - 178    (case (first tree) -
- - 179      :ACTIONS (generate-action (first tree) others) -
- - 180      :SIMPLE-ACTION (generate-simple-action tree others) -
- - 181      :PROBABLE-ACTION (generate-probable-action tree others) -
- - 182      (throw (Exception. (str "Not a known action type: " (first tree)))))) -
- - 183   -
- - 184  (defn generate-multiple-actions -
- - 185    "From this `tree`, assumed to be one or more syntactically correct actions, -
- - 186    generate and return the appropriate clojure fragment." -
- - 187    [tree] -
- - 188    (assert-type tree :ACTIONS) -
- - 189    (generate-action (first (rest tree)) (second (rest tree)))) -
- - 190   -
- - 191  (defn generate-disjunct-value -
- - 192    "Generate a disjunct value. Essentially what we need here is to generate a -
- - 193    flat list of values, since the `member` has already been taken care of." -
- - 194    [tree] -
- - 195    (assert-type tree :DISJUNCT-VALUE) -
- - 196    (if (= (count tree) 4) -
- - 197      (cons (generate (second tree)) (generate (nth tree 3))) -
- - 198      (list (generate (second tree))))) -
- - 199   -
- - 200  (defn generate-numeric-expression -
- - 201    "From this `tree`, assumed to be a syntactically correct numeric expression, -
- - 202    generate and return the appropriate clojure fragment." -
- - 203    [tree] -
- - 204    (assert-type tree :NUMERIC-EXPRESSION) -
- - 205    (case (count tree) -
- - 206      4 (let [[p operator expression] (rest tree) -
- - 207              property (if (number? p) p (list p 'cell))] -
- - 208          (list (generate operator) (generate property) (generate expression))) -
- - 209      (case (first (second tree)) -
- - 210        :SYMBOL (list (keyword (second (second tree))) 'cell) -
- - 211        (generate (second tree))))) -
- - 212   -
- - 213  (defn generate-neighbours-condition -
- - 214    "Generate code for a condition which refers to neighbours." -
- - 215    ([tree] -
- - 216     (assert-type tree :NEIGHBOURS-CONDITION) -
- - 217     (case (first (second tree)) -
- - 218       :NUMBER (read-string (second (second tree))) -
- - 219       :QUANTIFIER (generate-neighbours-condition tree (first (second (second tree)))) -
- - 220       :QUALIFIER (cons (generate (second tree)) (rest (generate (nth tree 2)))))) -
- - 221    ([tree quantifier-type] -
- - 222     (let [quantifier (second tree) -
- - 223           pc (generate (nth tree 4))] -
- - 224       (case quantifier-type -
- - 225         :NUMBER (generate-neighbours-condition '= (read-string (second (second quantifier))) pc 1) -
- - 226         :SOME (generate-neighbours-condition '> 0 pc 1) -
- - 227         :MORE (let [value (generate (nth quantifier 3))] -
- - 228                 (generate-neighbours-condition '> value pc 1)) -
- - 229         :LESS (let [value (generate (nth quantifier 3))] -
- - 230                 (generate-neighbours-condition '< value pc 1))))) -
- - 231    ([comp1 quantity property-condition distance] -
- - 232     (list comp1 -
- - 233           (list 'count -
- - 234                 (list 'remove 'false? -
- - 235                       (list 'map (list 'fn ['cell] property-condition) -
- - 236                             (list 'mw-engine.utils/get-neighbours 'world 'cell distance)))) quantity)) -
- - 237    ([comp1 quantity property-condition] -
- - 238     (generate-neighbours-condition comp1 quantity property-condition 1))) -
- - 239   -
- - 240  (defn generate-within-condition -
- - 241    "Generate code for a condition which refers to neighbours within a specified distance. -
- - 242    NOTE THAT there's clearly masses of commonality between this and -
- - 243    `generate-neighbours-condition`, and that some refactoring is almost certainly -
- - 244    desirable. It may be that it's better to simplify a `NEIGHBOURS-CONDITION` -
- - 245    into a `WITHIN-CONDITION` in the simplification stage." -
- - 246    ([tree] -
- - 247     (assert-type tree :WITHIN-CONDITION) -
- - 248     (case (first (second tree)) -
- - 249       :QUANTIFIER (generate-within-condition tree (first (second (second tree)))) -
- - 250       :QUALIFIER (TODO "qualified within... help!"))) -
- - 251    ([tree quantifier-type] -
- - 252     (let [quantifier (second tree) -
- - 253           distance (generate (nth tree 4)) -
- - 254           pc (generate (nth tree 6))] -
- - 255       (case quantifier-type -
- - 256         :NUMBER (generate-neighbours-condition '= (read-string (second (second quantifier))) pc distance) -
- - 257         :SOME (generate-neighbours-condition '> 0 pc distance) -
- - 258         :MORE (let [value (generate (nth quantifier 3))] -
- - 259                 (generate-neighbours-condition '> value pc distance)) -
- - 260         :LESS (let [value (generate (nth quantifier 3))] -
- - 261                 (generate-neighbours-condition '< value pc distance)))))) -
- - 262   -
- - 263  (defn- generate-disjunct-expression -
- - 264    [tree] -
- - 265    (assert-type tree :DISJUNCT-EXPRESSION) -
- - 266    (try -
- - 267      (set (map generate (rest tree))) -
- - 268      (catch Exception x -
- - 269        (throw -
- - 270         (ex-info -
- - 271          "Failed to compile :DISJUNCT-EXPRESSION" -
- - 272          {:tree tree} -
- - 273          x))))) -
- - 274   -
- - 275  ;;; Flow rules. A flow rule DOES NOT return a modified world; instead, it  -
- - 276  ;;; returns a PLAN to modify the world, in the form of a sequence of `flows`. -
- - 277  ;;; It is only when the plan is executed that the world is modified. -
- - 278  ;;; -
- - 279  ;;; so we're looking at something like -
- - 280  ;;; (fn [cell world]) -
- - 281  ;;;    (if (= (:state cell) (or (:house cell) :house)) -
- - 282   -
- - 283  (defn generate-flow -
- - 284    [tree] -
- - 285    (assert-type tree :FLOW-RULE)) -
- - 286   -
- - 287  ;;; Top level; only function anything outside this file (except tests) should  -
- - 288  ;;; really call. -
- - 289   -
- - 290  (defn generate -
- - 291    "Generate code for this (fragment of a) parse tree" -
- - 292    [tree] -
- - 293    (if -
- - 294     (coll? tree) -
- - 295      (case (first tree) -
- - 296        :ACTIONS (generate-multiple-actions tree) -
- - 297        :COMPARATIVE (generate (second tree)) -
- - 298        :COMPARATIVE-QUALIFIER (generate (second tree)) -
- - 299        :CONDITION (generate-condition tree) -
- - 300        :CONDITIONS (generate-conditions tree) -
- - 301        :CONJUNCT-CONDITION (generate-conjunct-condition tree) -
- - 302        :DISJUNCT-CONDITION (generate-disjunct-condition tree) -
- - 303        :DISJUNCT-EXPRESSION (generate-disjunct-expression tree) -
- - 304        :DISJUNCT-VALUE (generate-disjunct-value tree) -
- - 305        :EQUIVALENCE '= -
- - 306        :EXPRESSION (generate (second tree)) -
- - 307        :FLOW-RULE (generate-flow tree) -
- - 308        :LESS '< -
- - 309        :MORE '> -
- - 310        :NEGATED-QUALIFIER (case (generate (second tree)) -
- - 311                             = 'not= -
- - 312                             > '< -
- - 313                             < '>) -
- - 314        :NEIGHBOURS-CONDITION (generate-neighbours-condition tree) -
- - 315        :NUMERIC-EXPRESSION (generate-numeric-expression tree) -
- - 316        :NUMBER (read-string (second tree)) -
- - 317        :OPERATOR (symbol (second tree)) -
- - 318        :PROBABLE-ACTION (generate-probable-action tree) -
- - 319        :PROPERTY (list (generate (second tree)) 'cell) ;; dubious - may not be right -
- - 320        :PROPERTY-CONDITION (generate-property-condition tree) -
- - 321        :QUALIFIER (generate-qualifier tree) -
- - 322        :RULE (generate-rule tree) -
- - 323        :SIMPLE-ACTION (generate-simple-action tree) -
- - 324        :SYMBOL (keyword (second tree)) -
- - 325        :VALUE (generate (second tree)) -
- - 326        :WITHIN-CONDITION (generate-within-condition tree) -
- - 327        (map generate tree)) -
- - 328      tree)) -
- - diff --git a/docs/cloverage/mw_parser/simplify.clj.html b/docs/cloverage/mw_parser/simplify.clj.html deleted file mode 100644 index 203a304..0000000 --- a/docs/cloverage/mw_parser/simplify.clj.html +++ /dev/null @@ -1,281 +0,0 @@ - - - - mw_parser/simplify.clj - - - - 001  (ns ^{:doc "Simplify a parse tree." -
- - 002        :author "Simon Brooke"} -
- - 003   mw-parser.simplify) -
- - 004   -
- - 005  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 006  ;;;; -
- - 007  ;;;; mw-parser: a rule parser for MicroWorld. -
- - 008  ;;;; -
- - 009  ;;;; This program is free software; you can redistribute it and/or -
- - 010  ;;;; modify it under the terms of the GNU General Public License -
- - 011  ;;;; as published by the Free Software Foundation; either version 2 -
- - 012  ;;;; of the License, or (at your option) any later version. -
- - 013  ;;;; -
- - 014  ;;;; This program is distributed in the hope that it will be useful, -
- - 015  ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of -
- - 016  ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the -
- - 017  ;;;; GNU General Public License for more details. -
- - 018  ;;;; -
- - 019  ;;;; You should have received a copy of the GNU General Public License -
- - 020  ;;;; along with this program; if not, write to the Free Software -
- - 021  ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, -
- - 022  ;;;; USA. -
- - 023  ;;;; -
- - 024  ;;;; Copyright (C) 2014 Simon Brooke -
- - 025  ;;;; -
- - 026  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 027   -
- - 028  (declare simplify) -
- - 029   -
- - 030  (defn simplify-second-of-two -
- - 031    "There are a number of possible simplifications such that if the `tree` has -
- - 032    only two elements, the second is semantically sufficient." -
- - 033    [tree] -
- - 034    (if (= (count tree) 2) (simplify (nth tree 1)) tree)) -
- - 035   -
- - 036  (defn simplify-chained-list -
- - 037    "Some parse trees take the form  -
- - 038     `[:X [:Y 1] :NOISE :NOISE [:X [:Y 2] :NOISE :NOISE [:X [:Y 3]]]]` -
- - 039     where what's wanted is `[:X [:Y 1] [:Y 2] [:Y 2]]` -- :DISJUNCT-VALUE is a case -
- - 040     in point. This takes such a parse `tree`, where `branch-tag` is the tag of -
- - 041     the enclosing form and `leaf-tag` is the tag of the form to be collected, and  -
- - 042     returns the desired form." -
- - 043    [tree branch-tag leaf-tag] -
- - 044    (cons -
- - 045     (first tree) -
- - 046     (reverse -
- - 047      (loop [chain (rest tree) v '()] -
- - 048        (let [car (first chain)] -
- - 049          (cond (empty? chain) v -
- - 050                (coll? car) (let [caar (first car)] -
- - 051                              (cond -
- - 052                                (= branch-tag caar) (recur car v) -
- - 053                                (= leaf-tag caar) (recur -
- - 054                                                   (rest chain) -
- - 055                                                   (cons (simplify car) v)) -
- - 056                                :else (recur (rest chain) v))) -
- - 057                :else (recur (rest chain) v))))))) -
- - 058   -
- - 059  (defn simplify -
- - 060    "Simplify/canonicalise this `tree`. Opportunistically replace complex fragments with -
- - 061    semantically identical simpler fragments" -
- - 062    [tree] -
- - 063    (if -
- - 064     (coll? tree) -
- - 065      (case (first tree) -
- - 066        :ACTION (simplify-second-of-two tree) -
- - 067        :ACTIONS (cons (first tree) (simplify (rest tree))) -
- - 068        :AND nil -
- - 069        :CHANCE-IN nil -
- - 070        :COMPARATIVE (simplify-second-of-two tree) -
- - 071        :CONDITION (simplify-second-of-two tree) -
- - 072        :CONDITIONS (simplify-second-of-two tree) -
- - 073        :DISJUNCT-EXPRESSION (simplify-chained-list tree :DISJUNCT-VALUE :VALUE) -
- - 074        :EXPRESSION (simplify-second-of-two tree) -
- - 075        :IN nil -
- - 076        :PROPERTY (simplify-second-of-two tree) -
- - 077        :PROPERTY-CONDITION-OR-EXPRESSION (simplify-second-of-two tree) -
- - 078        :OR nil -
- - 079        :SPACE nil -
- - 080        :THEN nil -
- - 081        :VALUE (simplify-second-of-two tree) -
- - 082        (remove nil? (map simplify tree))) -
- - 083      tree)) -
- - 084   -
- - 085  (defn simplify-determiner-condition -
- - 086    [tree] -
- - 087    (apply vector -
- - 088           (cons :DETERMINER-CONDITION -
- - 089                 (cons -
- - 090                  (simplify-second-of-two (second tree)) -
- - 091                  (rest (rest tree)))))) -
- - diff --git a/docs/cloverage/mw_parser/utils.clj.html b/docs/cloverage/mw_parser/utils.clj.html deleted file mode 100644 index 93367ea..0000000 --- a/docs/cloverage/mw_parser/utils.clj.html +++ /dev/null @@ -1,200 +0,0 @@ - - - - mw_parser/utils.clj - - - - 001  (ns ^{:doc "Utilities used in more than one namespace within the parser." -
- - 002        :author "Simon Brooke"} -
- - 003    mw-parser.utils) -
- - 004   -
- - 005  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 006  ;;;; -
- - 007  ;;;; mw-parser: a rule parser for MicroWorld. -
- - 008  ;;;; -
- - 009  ;;;; This program is free software; you can redistribute it and/or -
- - 010  ;;;; modify it under the terms of the GNU General Public License -
- - 011  ;;;; as published by the Free Software Foundation; either version 2 -
- - 012  ;;;; of the License, or (at your option) any later version. -
- - 013  ;;;; -
- - 014  ;;;; This program is distributed in the hope that it will be useful, -
- - 015  ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of -
- - 016  ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the -
- - 017  ;;;; GNU General Public License for more details. -
- - 018  ;;;; -
- - 019  ;;;; You should have received a copy of the GNU General Public License -
- - 020  ;;;; along with this program; if not, write to the Free Software -
- - 021  ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, -
- - 022  ;;;; USA. -
- - 023  ;;;; -
- - 024  ;;;; Copyright (C) 2014 Simon Brooke -
- - 025  ;;;; -
- - 026  ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -
- - 027   -
- - 028   -
- - 029  (defn suitable-fragment? -
- - 030    "Return `true` if `tree-fragment` appears to be a tree fragment of the expected `type`." -
- - 031    [tree-fragment type] -
- - 032    (and (coll? tree-fragment) -
- - 033         (keyword? type) -
- - 034         (= (first tree-fragment) type))) -
- - 035   -
- - 036  (defn rule? -
- - 037    "Return true if the argument appears to be a parsed rule tree, else false." -
- - 038    [maybe-rule] -
- - 039    (suitable-fragment? maybe-rule :RULE)) -
- - 040   -
- - 041  (defn TODO -
- - 042    "Marker to indicate I'm not yet finished!" -
- - 043    [message] -
- - 044    message) -
- - 045   -
- - 046   -
- - 047   -
- - 048  (defn assert-type -
- - 049    "If `tree-fragment` is not a tree fragment of the expected `type`, throw an exception." -
- - 050    [tree-fragment type] -
- - 051    (assert (suitable-fragment? tree-fragment type) -
- - 052            (throw (Exception. (format "Expected a %s fragment" type))))) -
- - 053   -
- - 054   -
- - 055  (defn search-tree -
- - 056    "Return the first element of this tree which has this tag in a depth-first, left-to-right search" -
- - 057    [tree tag] -
- - 058    (cond  -
- - 059      (= (first tree) tag) tree -
- - 060      :else (first -
- - 061              (remove nil? -
- - 062                      (map -
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-} - -.hljs-emphasis { - font-style: italic; -} - -.hljs-strong { - font-weight: bold; -} diff --git a/docs/codox/index.html b/docs/codox/index.html deleted file mode 100644 index 6a7a94b..0000000 --- a/docs/codox/index.html +++ /dev/null @@ -1,11 +0,0 @@ - -Mw-parser 0.2.0-SNAPSHOT

Project

Topics

Namespaces

Mw-parser 0.2.0-SNAPSHOT

Released under the GNU General Public License v2

Parser for production rules for MicroWorld engine.

Installation

To install, add the following dependency to your project or build file:

[mw-parser "0.2.0-SNAPSHOT"]

Topics

Namespaces

mw-parser.bulk

parse multiple rules from a stream, possibly a file.

-

Public variables and functions:

mw-parser.core

A very simple parser which parses production rules.

-

Public variables and functions:

mw-parser.declarative

A very simple parser which parses production rules.

-

Public variables and functions:

mw-parser.errors

Display parse errors in a format which makes it easy for the user to see where the error occurred.

-

Public variables and functions:

mw-parser.flow

A very simple parser which parses flow rules.

-

Public variables and functions:

mw-parser.generate

Generate Clojure source from simplified parse trees.

-

Public variables and functions:

mw-parser.simplify

Simplify a parse tree.

-

Public variables and functions:

mw-parser.utils

Utilities used in more than one namespace within the parser.

-

Public variables and functions:

\ No newline at end of file diff --git a/docs/codox/intro.html b/docs/codox/intro.html deleted file mode 100644 index a6a5191..0000000 --- a/docs/codox/intro.html +++ /dev/null @@ -1,5 +0,0 @@ - -Introduction to mw-parser

Project

Topics

Namespaces

Introduction to mw-parser

-

TODO: write great documentation

-
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