annotate python/burg.x @ 327:61c9df5bffce

Changed emulated board to cortex a8 board
author Windel Bouwman
date Sat, 01 Feb 2014 17:21:21 +0100
parents 44f336460c2a
children 818be710e13d
rev   line source
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2 %tokens ':' ';' '(' ')' ',' template id number '%%' '%terminal' header
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4 %%
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6 burgdef: header '%%' directives '%%' rules { self.system.header_lines = $1.val };
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8 directives:
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9 | directives directive;
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11 directive: termdef;
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13 termdef: '%terminal' termids;
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15 termids:
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16 | termids termid;
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18 termid: id { self.system.add_terminal($1.val) };
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19
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20 rules:
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21 | rules rule;
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23 rule: id ':' tree cost template { self.system.add_rule($1.val, $3, $4, $5.val) };
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25 cost: number { return $1.val };
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27 tree: id { return self.system.tree($1.val) }
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28 | id '(' tree ')' { return self.system.tree($1.val, $3) }
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29 | id '(' tree ',' tree ')' { return self.system.tree($1.val, $3, $5) };
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