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a tool for presenting a subgrammar; complete with a test set
git-svn-id: https://slps.svn.sourceforge.net/svnroot/slps@890 ab42f6e0-554d-0410-b580-99e487e6eeb2
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test: | ||
../../../shared/tools/xsd2bgf ../../fl/xsd/fl.xsd fl.bgf | ||
echo 'Executing test cases...' | ||
ls -1 tests/ | xargs -n1 -I _ basename _ .baseline.bgf | xargs -n1 -I _ ./subgrammar.py fl.bgf _ fl._.bgf | ||
echo 'Syntax checking test results...' | ||
ls -1 *.bgf | xargs -n1 checkxml bgf | ||
echo 'Validating test results...' | ||
ls -1 tests/ | xargs -n1 -I _ basename _ .baseline.bgf | xargs -n1 -I _ ../../../shared/tools/gdt fl._.bgf tests/_.baseline.bgf | ||
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clean: | ||
rm -f *.bgf |
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#!/usr/local/bin/python | ||
import os | ||
import sys | ||
sys.path.append('../../../shared/python') | ||
import slpsns | ||
import elementtree.ElementTree as ET | ||
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names = [] | ||
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if __name__ == "__main__": | ||
if len(sys.argv) != 4: | ||
print 'This tool extracts a portion of a grammar that starts at a given root nonterminal and includes all referenced nonterminals as well.' | ||
print 'Usage:' | ||
print ' subgrammar <bgf-input> <new-root> <bgf-output>' | ||
sys.exit(1) | ||
slpsns.init(ET) | ||
bgf = ET.parse(sys.argv[1]) | ||
grammar = {} | ||
for prod in bgf.findall('//'+slpsns.bgf_('production')): | ||
nt = prod.findtext('nonterminal') | ||
if nt in grammar.keys(): | ||
grammar[nt].append(prod) | ||
else: | ||
grammar[nt]=[prod] | ||
newBgf = ET.Element(slpsns.bgf_('grammar')) | ||
nts = [sys.argv[2]] | ||
ET.SubElement(newBgf,'root').text = nts[0] | ||
oldnts = [] | ||
while nts: | ||
for prod in grammar[nts[0]]: | ||
newBgf.append(prod) | ||
for nt in prod.findall('.//nonterminal'): | ||
if (nt.text not in oldnts) and (nt.text not in nts): | ||
nts.append(nt.text) | ||
oldnts.append(nts[0]) # car | ||
nts = nts[1:] # cdr | ||
ET.ElementTree(newBgf).write(sys.argv[3]) | ||
sys.exit(0) |
168 changes: 168 additions & 0 deletions
168
topics/presentation/subgrammar/tests/Apply.baseline.bgf
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<?xml version="1.0"?> | ||
<bgf:grammar xmlns:bgf="http://planet-sl.org/bgf"> | ||
<root>Apply</root> | ||
<bgf:production> | ||
<nonterminal>Apply</nonterminal> | ||
<bgf:expression> | ||
<sequence> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>name</selector> | ||
<bgf:expression> | ||
<value>string</value> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<plus> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>arg</selector> | ||
<bgf:expression> | ||
<nonterminal>Expr</nonterminal> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
</plus> | ||
</bgf:expression> | ||
</sequence> | ||
</bgf:expression> | ||
</bgf:production> | ||
<bgf:production> | ||
<nonterminal>Expr</nonterminal> | ||
<bgf:expression> | ||
<choice> | ||
<bgf:expression> | ||
<nonterminal>Literal</nonterminal> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<nonterminal>Argument</nonterminal> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<nonterminal>Binary</nonterminal> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<nonterminal>IfThenElse</nonterminal> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<nonterminal>Apply</nonterminal> | ||
</bgf:expression> | ||
</choice> | ||
</bgf:expression> | ||
</bgf:production> | ||
<bgf:production> | ||
<nonterminal>Literal</nonterminal> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>info</selector> | ||
<bgf:expression> | ||
<value>int</value> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
</bgf:production> | ||
<bgf:production> | ||
<nonterminal>Argument</nonterminal> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>name</selector> | ||
<bgf:expression> | ||
<value>string</value> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
</bgf:production> | ||
<bgf:production> | ||
<nonterminal>Binary</nonterminal> | ||
<bgf:expression> | ||
<sequence> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>ops</selector> | ||
<bgf:expression> | ||
<nonterminal>Ops</nonterminal> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>left</selector> | ||
<bgf:expression> | ||
<nonterminal>Expr</nonterminal> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>right</selector> | ||
<bgf:expression> | ||
<nonterminal>Expr</nonterminal> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
</sequence> | ||
</bgf:expression> | ||
</bgf:production> | ||
<bgf:production> | ||
<nonterminal>IfThenElse</nonterminal> | ||
<bgf:expression> | ||
<sequence> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>ifExpr</selector> | ||
<bgf:expression> | ||
<nonterminal>Expr</nonterminal> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>thenExpr</selector> | ||
<bgf:expression> | ||
<nonterminal>Expr</nonterminal> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>elseExpr</selector> | ||
<bgf:expression> | ||
<nonterminal>Expr</nonterminal> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
</sequence> | ||
</bgf:expression> | ||
</bgf:production> | ||
<bgf:production> | ||
<nonterminal>Ops</nonterminal> | ||
<bgf:expression> | ||
<choice> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>Equal</selector> | ||
<bgf:expression> | ||
<epsilon/> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>Plus</selector> | ||
<bgf:expression> | ||
<epsilon/> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>Minus</selector> | ||
<bgf:expression> | ||
<epsilon/> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
</choice> | ||
</bgf:expression> | ||
</bgf:production> | ||
</bgf:grammar> |
15 changes: 15 additions & 0 deletions
15
topics/presentation/subgrammar/tests/Argument.baseline.bgf
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<?xml version="1.0"?> | ||
<bgf:grammar xmlns:bgf="http://planet-sl.org/bgf"> | ||
<root>Argument</root> | ||
<bgf:production> | ||
<nonterminal>Argument</nonterminal> | ||
<bgf:expression> | ||
<selectable> | ||
<selector>name</selector> | ||
<bgf:expression> | ||
<value>string</value> | ||
</bgf:expression> | ||
</selectable> | ||
</bgf:expression> | ||
</bgf:production> | ||
</bgf:grammar> |
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