17b295e10f
Fixes #309. * python/spot/__init__.py (twa_word.as_svg, twa_word.show): New methods. * tests/python/word.ipynb: Use them. * NEWS: Mention them.
716 lines
35 KiB
Text
716 lines
35 KiB
Text
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"cell_type": "code",
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"input": [
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"import spot\n",
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"spot.setup()"
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],
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"language": "python",
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"metadata": {},
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"outputs": [],
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Let's build a small automaton to use as example."
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]
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},
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"aut = spot.translate('!a & G(Fa <-> XXb)'); aut"
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],
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"metadata": {},
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"outputs": [
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 2,
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"svg": [
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"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n",
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" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n",
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"</svg>\n"
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],
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"text": [
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"<spot.impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fb74c39da80> >"
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]
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}
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],
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"prompt_number": 2
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Build an accepting run:"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"run = aut.accepting_run(); run"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 3,
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"text": [
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"Prefix:\n",
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" 0\n",
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" | !a\n",
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" 1\n",
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" | a\n",
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"Cycle:\n",
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" 2\n",
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" | a & b\t{0}"
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]
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}
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],
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"prompt_number": 3
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Accessing the contents of the run can be done via the `prefix` and `cycle` lists."
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"print(spot.bdd_format_formula(aut.get_dict(), run.prefix[0].label))\n",
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"print(run.cycle[0].acc)"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"stream": "stdout",
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"text": [
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"!a\n",
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"{0}\n"
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]
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}
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],
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"prompt_number": 4
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"To convert the run into a word, using `spot.twa_word()`. Note that our runs are labeled by Boolean formulas that are not necessarily a conjunction of all involved litterals. The word is just the projection of the run on its labels."
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"word = spot.twa_word(run); word"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 5,
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"text": [
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"!a; a; cycle{a & b}"
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]
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}
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],
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"prompt_number": 5
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"A word can be represented as a collection of signals (one for each atomic proposition). The cycle part is shown twice."
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"word.show()"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 6,
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"svg": [
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"<line stroke=\"white\" stroke-width=\"4\" x1=\"0\" x2=\"200\" y1=\"0\" y2=\"0\"/><text font-size=\"20\" text-anchor=\"start\" x=\"3\" y=\"30\">a</text><line stroke=\"white\" stroke-width=\"1\" x1=\"50\" x2=\"50\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"0\" x2=\"50\" y1=\"45\" y2=\"45\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"100\" x2=\"100\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"50\" x2=\"50\" y1=\"5\" y2=\"45\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"50\" x2=\"100\" y1=\"5\" y2=\"5\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"150\" x2=\"150\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"100\" x2=\"150\" y1=\"5\" y2=\"5\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"200\" x2=\"200\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"150\" x2=\"200\" y1=\"5\" y2=\"5\"/><line stroke=\"white\" stroke-width=\"4\" x1=\"0\" x2=\"200\" y1=\"50\" y2=\"50\"/><text font-size=\"20\" text-anchor=\"start\" x=\"3\" y=\"80\">b</text><line stroke=\"white\" stroke-width=\"1\" x1=\"50\" x2=\"50\" y1=\"50\" y2=\"100\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"100\" x2=\"100\" y1=\"50\" y2=\"100\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"150\" x2=\"150\" y1=\"50\" y2=\"100\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"100\" x2=\"150\" y1=\"55\" y2=\"55\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"200\" x2=\"200\" y1=\"50\" y2=\"100\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"150\" x2=\"200\" y1=\"55\" y2=\"55\"/><text font-size=\"10\" text-anchor=\"start\" x=\"0\" y=\"110\">prefix</text><text font-size=\"10\" text-anchor=\"start\" x=\"100\" y=\"110\">cycle</text>\n",
|
|
"<text font-size=\"10\" text-anchor=\"start\" x=\"150\" y=\"110\">cycle</text></svg>"
|
|
],
|
|
"text": [
|
|
"<IPython.core.display.SVG object>"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 6
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {},
|
|
"source": [
|
|
"Accessing the different formulas (stored as BDDs) can be done again via the `prefix` and `cycle` lists."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"print(spot.bdd_format_formula(aut.get_dict(), word.prefix[0]))\n",
|
|
"print(spot.bdd_format_formula(aut.get_dict(), word.prefix[1]))\n",
|
|
"print(spot.bdd_format_formula(aut.get_dict(), word.cycle[0]))"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"output_type": "stream",
|
|
"stream": "stdout",
|
|
"text": [
|
|
"!a\n",
|
|
"a\n",
|
|
"a & b\n"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 7
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {},
|
|
"source": [
|
|
"Calling `simplifify()` will produce a shorter word that is compatible with the original word. For instance in the above word, the initial `a` is compatible with both `a & b` and `a & !b`. The word obtained by restricting `a` to `a & b` is therefore still accepted, allowing us to remove the prefix."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"word.simplify()\n",
|
|
"word"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"metadata": {},
|
|
"output_type": "pyout",
|
|
"prompt_number": 8,
|
|
"text": [
|
|
"!a; cycle{a & b}"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 8
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {},
|
|
"source": [
|
|
"Such a simplified word can be created directly from the automaton:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"aut.accepting_word()"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"metadata": {},
|
|
"output_type": "pyout",
|
|
"prompt_number": 9,
|
|
"text": [
|
|
"!a; cycle{a & b}"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 9
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {},
|
|
"source": [
|
|
"Words can be created using the `parse_word` function:"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"print(spot.parse_word('a; b; cycle{a&b}'))\n",
|
|
"print(spot.parse_word('cycle{a&bb|bac&(aaa|bbb)}'))\n",
|
|
"print(spot.parse_word('a; b;b; qiwuei;\"a;b&c;a\" ;cycle{a}'))"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"output_type": "stream",
|
|
"stream": "stdout",
|
|
"text": [
|
|
"a; b; cycle{a & b}\n",
|
|
"cycle{(a & bb) | (aaa & bac) | (bac & bbb)}\n",
|
|
"a; b; b; qiwuei; \"a;b&c;a\"; cycle{a}\n"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 10
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"# make sure that we can parse a word back after it has been printed\n",
|
|
"w = spot.parse_word(str(spot.parse_word('a;b&a;cycle{!a&!b;!a&b}'))); w"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"metadata": {},
|
|
"output_type": "pyout",
|
|
"prompt_number": 11,
|
|
"text": [
|
|
"a; a & b; cycle{!a & !b; !a & b}"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 11
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"w.show()"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"metadata": {},
|
|
"output_type": "pyout",
|
|
"prompt_number": 12,
|
|
"svg": [
|
|
"<svg height=\"112\" version=\"1.1\" width=\"300\" xmlns=\"http://www.w3.org/2000/svg\">\n",
|
|
"<rect fill=\"#f4f4f4\" height=\"100\" width=\"300\" x=\"0\" y=\"0\"/>\n",
|
|
"<line stroke=\"white\" stroke-width=\"4\" x1=\"100\" x2=\"100\" y1=\"0\" y2=\"100\"/>\n",
|
|
"<line stroke=\"white\" stroke-width=\"4\" x1=\"200\" x2=\"200\" y1=\"0\" y2=\"100\"/>\n",
|
|
"<line stroke=\"white\" stroke-width=\"4\" x1=\"0\" x2=\"300\" y1=\"0\" y2=\"0\"/><text font-size=\"20\" text-anchor=\"start\" x=\"3\" y=\"30\">a</text><line stroke=\"white\" stroke-width=\"1\" x1=\"50\" x2=\"50\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"0\" x2=\"50\" y1=\"5\" y2=\"5\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"100\" x2=\"100\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"50\" x2=\"100\" y1=\"5\" y2=\"5\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"150\" x2=\"150\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"100\" x2=\"100\" y1=\"5\" y2=\"45\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"100\" x2=\"150\" y1=\"45\" y2=\"45\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"200\" x2=\"200\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"150\" x2=\"200\" y1=\"45\" y2=\"45\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"250\" x2=\"250\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"200\" x2=\"250\" y1=\"45\" y2=\"45\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"300\" x2=\"300\" y1=\"0\" y2=\"50\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"250\" x2=\"300\" y1=\"45\" y2=\"45\"/><line stroke=\"white\" stroke-width=\"4\" x1=\"0\" x2=\"300\" y1=\"50\" y2=\"50\"/><text font-size=\"20\" text-anchor=\"start\" x=\"3\" y=\"80\">b</text><line stroke=\"white\" stroke-width=\"1\" x1=\"50\" x2=\"50\" y1=\"50\" y2=\"100\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"100\" x2=\"100\" y1=\"50\" y2=\"100\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"50\" x2=\"100\" y1=\"55\" y2=\"55\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"150\" x2=\"150\" y1=\"50\" y2=\"100\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"100\" x2=\"100\" y1=\"55\" y2=\"95\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"100\" x2=\"150\" y1=\"95\" y2=\"95\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"200\" x2=\"200\" y1=\"50\" y2=\"100\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"150\" x2=\"150\" y1=\"55\" y2=\"95\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"150\" x2=\"200\" y1=\"55\" y2=\"55\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"250\" x2=\"250\" y1=\"50\" y2=\"100\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"200\" x2=\"200\" y1=\"55\" y2=\"95\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"200\" x2=\"250\" y1=\"95\" y2=\"95\"/><line stroke=\"white\" stroke-width=\"1\" x1=\"300\" x2=\"300\" y1=\"50\" y2=\"100\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"250\" x2=\"250\" y1=\"55\" y2=\"95\"/><line stroke=\"#ff0000\" stroke-width=\"2\" x1=\"250\" x2=\"300\" y1=\"55\" y2=\"55\"/><text font-size=\"10\" text-anchor=\"start\" x=\"0\" y=\"110\">prefix</text><text font-size=\"10\" text-anchor=\"start\" x=\"100\" y=\"110\">cycle</text>\n",
|
|
"<text font-size=\"10\" text-anchor=\"start\" x=\"200\" y=\"110\">cycle</text></svg>"
|
|
],
|
|
"text": [
|
|
"<IPython.core.display.SVG object>"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 12
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {},
|
|
"source": [
|
|
"Words can be easily converted as automata"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"w1 = spot.parse_word('a; !a; cycle{a; !a; a}')"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"prompt_number": 13
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"w1.as_automaton()"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"metadata": {},
|
|
"output_type": "pyout",
|
|
"prompt_number": 14,
|
|
"svg": [
|
|
"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n",
|
|
"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n",
|
|
" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n",
|
|
"<!-- Generated by graphviz version 2.38.0 (20140413.2041)\n",
|
|
" -->\n",
|
|
"<!-- Title: G Pages: 1 -->\n",
|
|
"<svg width=\"406pt\" height=\"74pt\"\n",
|
|
" viewBox=\"0.00 0.00 406.00 74.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n",
|
|
"<g id=\"graph0\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 70)\">\n",
|
|
"<title>G</title>\n",
|
|
"<polygon fill=\"white\" stroke=\"none\" points=\"-4,4 -4,-70 402,-70 402,4 -4,4\"/>\n",
|
|
"<!-- I -->\n",
|
|
"<!-- 0 -->\n",
|
|
"<g id=\"node2\" class=\"node\"><title>0</title>\n",
|
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"<ellipse fill=\"#ffffaa\" stroke=\"black\" cx=\"56\" cy=\"-18\" rx=\"18\" ry=\"18\"/>\n",
|
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"<text text-anchor=\"middle\" x=\"56\" y=\"-14.3\" font-family=\"Lato\" font-size=\"14.00\">0</text>\n",
|
|
"</g>\n",
|
|
"<!-- I->0 -->\n",
|
|
"<g id=\"edge1\" class=\"edge\"><title>I->0</title>\n",
|
|
"<path fill=\"none\" stroke=\"black\" d=\"M1.15491,-18C2.79388,-18 17.1543,-18 30.6317,-18\"/>\n",
|
|
"<polygon fill=\"black\" stroke=\"black\" points=\"37.9419,-18 30.9419,-21.1501 34.4419,-18 30.9419,-18.0001 30.9419,-18.0001 30.9419,-18.0001 34.4419,-18 30.9418,-14.8501 37.9419,-18 37.9419,-18\"/>\n",
|
|
"</g>\n",
|
|
"<!-- 1 -->\n",
|
|
"<g id=\"node3\" class=\"node\"><title>1</title>\n",
|
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"<ellipse fill=\"#ffffaa\" stroke=\"black\" cx=\"135\" cy=\"-18\" rx=\"18\" ry=\"18\"/>\n",
|
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"<text text-anchor=\"middle\" x=\"135\" y=\"-14.3\" font-family=\"Lato\" font-size=\"14.00\">1</text>\n",
|
|
"</g>\n",
|
|
"<!-- 0->1 -->\n",
|
|
"<g id=\"edge2\" class=\"edge\"><title>0->1</title>\n",
|
|
"<path fill=\"none\" stroke=\"black\" d=\"M74.0888,-18C84.5562,-18 98.1196,-18 109.693,-18\"/>\n",
|
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"<polygon fill=\"black\" stroke=\"black\" points=\"116.959,-18 109.959,-21.1501 113.459,-18 109.959,-18.0001 109.959,-18.0001 109.959,-18.0001 113.459,-18 109.959,-14.8501 116.959,-18 116.959,-18\"/>\n",
|
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"<text text-anchor=\"start\" x=\"92\" y=\"-21.8\" font-family=\"Lato\" font-size=\"14.00\">a</text>\n",
|
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"</g>\n",
|
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"<!-- 2 -->\n",
|
|
"<g id=\"node4\" class=\"node\"><title>2</title>\n",
|
|
"<ellipse fill=\"#ffffaa\" stroke=\"black\" cx=\"218\" cy=\"-18\" rx=\"18\" ry=\"18\"/>\n",
|
|
"<text text-anchor=\"middle\" x=\"218\" y=\"-14.3\" font-family=\"Lato\" font-size=\"14.00\">2</text>\n",
|
|
"</g>\n",
|
|
"<!-- 1->2 -->\n",
|
|
"<g id=\"edge3\" class=\"edge\"><title>1->2</title>\n",
|
|
"<path fill=\"none\" stroke=\"black\" d=\"M153.178,-18C164.669,-18 179.959,-18 192.693,-18\"/>\n",
|
|
"<polygon fill=\"black\" stroke=\"black\" points=\"199.847,-18 192.847,-21.1501 196.347,-18 192.847,-18.0001 192.847,-18.0001 192.847,-18.0001 196.347,-18 192.847,-14.8501 199.847,-18 199.847,-18\"/>\n",
|
|
"<text text-anchor=\"start\" x=\"171\" y=\"-21.8\" font-family=\"Lato\" font-size=\"14.00\">!a</text>\n",
|
|
"</g>\n",
|
|
"<!-- 3 -->\n",
|
|
"<g id=\"node5\" class=\"node\"><title>3</title>\n",
|
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"<ellipse fill=\"#ffffaa\" stroke=\"black\" cx=\"297\" cy=\"-48\" rx=\"18\" ry=\"18\"/>\n",
|
|
"<text text-anchor=\"middle\" x=\"297\" y=\"-44.3\" font-family=\"Lato\" font-size=\"14.00\">3</text>\n",
|
|
"</g>\n",
|
|
"<!-- 2->3 -->\n",
|
|
"<g id=\"edge4\" class=\"edge\"><title>2->3</title>\n",
|
|
"<path fill=\"none\" stroke=\"black\" d=\"M234.954,-24.216C246.105,-28.5603 261.15,-34.4223 273.515,-39.2395\"/>\n",
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"<polygon fill=\"black\" stroke=\"black\" points=\"280.066,-41.7919 272.4,-42.1858 276.805,-40.5213 273.544,-39.2507 273.544,-39.2507 273.544,-39.2507 276.805,-40.5213 274.687,-36.3156 280.066,-41.7919 280.066,-41.7919\"/>\n",
|
|
"<text text-anchor=\"start\" x=\"254\" y=\"-36.8\" font-family=\"Lato\" font-size=\"14.00\">a</text>\n",
|
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"</g>\n",
|
|
"<!-- 4 -->\n",
|
|
"<g id=\"node6\" class=\"node\"><title>4</title>\n",
|
|
"<ellipse fill=\"#ffffaa\" stroke=\"black\" cx=\"380\" cy=\"-18\" rx=\"18\" ry=\"18\"/>\n",
|
|
"<text text-anchor=\"middle\" x=\"380\" y=\"-14.3\" font-family=\"Lato\" font-size=\"14.00\">4</text>\n",
|
|
"</g>\n",
|
|
"<!-- 3->4 -->\n",
|
|
"<g id=\"edge5\" class=\"edge\"><title>3->4</title>\n",
|
|
"<path fill=\"none\" stroke=\"black\" d=\"M314.003,-42.073C326.017,-37.6233 342.638,-31.4675 356.064,-26.4947\"/>\n",
|
|
"<polygon fill=\"black\" stroke=\"black\" points=\"362.753,-24.0174 357.283,-29.4026 359.471,-25.233 356.189,-26.4487 356.189,-26.4487 356.189,-26.4487 359.471,-25.233 355.095,-23.4948 362.753,-24.0174 362.753,-24.0174\"/>\n",
|
|
"<text text-anchor=\"start\" x=\"333\" y=\"-37.8\" font-family=\"Lato\" font-size=\"14.00\">!a</text>\n",
|
|
"</g>\n",
|
|
"<!-- 4->2 -->\n",
|
|
"<g id=\"edge6\" class=\"edge\"><title>4->2</title>\n",
|
|
"<path fill=\"none\" stroke=\"black\" d=\"M362.276,-13.9842C349.433,-11.115 331.209,-7.50646 315,-6 299.069,-4.51934 294.922,-4.4234 279,-6 266.86,-7.20214 253.537,-9.74069 242.536,-12.1747\"/>\n",
|
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"<polygon fill=\"black\" stroke=\"black\" points=\"235.677,-13.744 241.798,-9.11188 239.089,-12.9632 242.501,-12.1825 242.501,-12.1825 242.501,-12.1825 239.089,-12.9632 243.204,-15.2532 235.677,-13.744 235.677,-13.744\"/>\n",
|
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"<text text-anchor=\"start\" x=\"293.5\" y=\"-9.8\" font-family=\"Lato\" font-size=\"14.00\">a</text>\n",
|
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"</g>\n",
|
|
"</g>\n",
|
|
"</svg>\n"
|
|
],
|
|
"text": [
|
|
"<spot.impl.twa_graph; proxy of <Swig Object of type 'std::shared_ptr< spot::twa_graph > *' at 0x7fb74c39d990> >"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 14
|
|
},
|
|
{
|
|
"cell_type": "markdown",
|
|
"metadata": {},
|
|
"source": [
|
|
"The rest of this page tests some syntax errors, you (humans) may skip it, but the test suite will not."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"print(spot.parse_word('a; b&!a; b'))"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"ename": "SyntaxError",
|
|
"evalue": "\n>>> a; b&!a; b\n ^\nA twa_word must contain a cycle\n (<string>)",
|
|
"output_type": "pyerr",
|
|
"traceback": [
|
|
"\u001b[0;36m File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; b&!a; b\n ^\nA twa_word must contain a cycle\n\n"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 15
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"print(spot.parse_word('a; b; c}'))"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"ename": "SyntaxError",
|
|
"evalue": "\n>>> a; b; c}\n ^\nExpected ';' delimiter: '}' stands for ending a cycle\n (<string>)",
|
|
"output_type": "pyerr",
|
|
"traceback": [
|
|
"\u001b[0;36m File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; b; c}\n ^\nExpected ';' delimiter: '}' stands for ending a cycle\n\n"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 16
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"print(spot.parse_word('a; cycle{}'))"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"ename": "SyntaxError",
|
|
"evalue": "\n>>> a; cycle{}\n ^\nempty input\n\n (<string>)",
|
|
"output_type": "pyerr",
|
|
"traceback": [
|
|
"\u001b[0;36m File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; cycle{}\n ^\nempty input\n\n\n"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 17
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"print(spot.parse_word('a; cycle{!a}; a'))"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"ename": "SyntaxError",
|
|
"evalue": "\n>>> a; cycle{!a}; a\n ^\nInput should be finished after cycle\n (<string>)",
|
|
"output_type": "pyerr",
|
|
"traceback": [
|
|
"\u001b[0;36m File \u001b[0;32m\"<string>\"\u001b[0;36m, line \u001b[0;32munknown\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m \n>>> a; cycle{!a}; a\n ^\nInput should be finished after cycle\n\n"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 18
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"# Creating an empty word is OK...\n",
|
|
"w = spot.twa_word(spot._bdd_dict)"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"prompt_number": 19
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"collapsed": false,
|
|
"input": [
|
|
"# ... as long as this word is not printed.\n",
|
|
"print(w)"
|
|
],
|
|
"language": "python",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"ename": "RuntimeError",
|
|
"evalue": "a twa_word may not have an empty cycle",
|
|
"output_type": "pyerr",
|
|
"traceback": [
|
|
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
|
|
"\u001b[0;31mRuntimeError\u001b[0m Traceback (most recent call last)",
|
|
"\u001b[0;32m<ipython-input-20-9968db49e707>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[0;31m# ... as long as this word is not printed.\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 2\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mw\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
|
|
"\u001b[0;32m/home/adl/git/spot/python/spot/impl.py\u001b[0m in \u001b[0;36m__str__\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m 4922\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 4923\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0m__str__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m \u001b[0;34m->\u001b[0m \u001b[0;34m\"std::string\"\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 4924\u001b[0;31m \u001b[0;32mreturn\u001b[0m \u001b[0m_impl\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtwa_word___str__\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 4925\u001b[0m \u001b[0mtwa_word_swigregister\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0m_impl\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mtwa_word_swigregister\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 4926\u001b[0m \u001b[0mtwa_word_swigregister\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mtwa_word\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
|
|
"\u001b[0;31mRuntimeError\u001b[0m: a twa_word may not have an empty cycle"
|
|
]
|
|
}
|
|
],
|
|
"prompt_number": 20
|
|
}
|
|
],
|
|
"metadata": {}
|
|
}
|
|
]
|
|
}
|