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bnf-hand.json
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bnf-hand.json
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{
"program": {
"type": "sequence",
"count": "1",
"exprs": [
{"type": "omit", "expr": {"type": "term", "value": "w", "count": "*"}},
{
"type": "sequence",
"count": "+",
"exprs": [
{ "type": "term", "value": "def", "count": "1" },
{ "type": "omit", "expr": { "type": "term", "value": "w", "count": "*" } }
]
}
]
},
"any": {
"type": "sequence",
"count": "1",
"exprs": [
{"type": "not", "count": "1", "expr": {"type": "literal", "value": "", "count": "1"}}
]
},
"w": {
"type": "select",
"count": "1",
"exprs": [
{ "type": "term", "value": "comment", "count": "1" },
{ "type": "literal", "value": "\n", "count": "1" },
{ "type": "literal", "value": "\r", "count": "1" },
{ "type": "literal", "value": " ", "count": "1" },
{ "type": "literal", "value": "\t", "count": "1" }
]
},
"comment": {
"type": "sequence",
"count": "1",
"exprs": [
{ "type": "literal", "value": "#", "count": "1" },
{"type": "not", "expr": { "type": "literal", "value": "\n", "count": "1" }, "count": "*"},
{ "type": "literal", "value": "\n", "count": "1" }
]
},
"name": {
"type": "gather",
"expr": {
"type": "select",
"count": "+",
"exprs": [
{ "type": "term", "value": "letter", "count": "1" },
{ "type": "term", "value": "digit", "count": "1" },
{ "type": "literal", "value": "_", "count": "1" }
]
}
},
"letter": {
"type": "select",
"count": "1",
"exprs": [
{ "type": "range", "value": "a", "to": "z", "count": "1" },
{ "type": "range", "value": "A", "to": "Z", "count": "1" }
]
},
"digit": {
"type": "range", "value": "0", "to": "9", "count": "1"
},
"constant": {
"type": "select",
"count": "1",
"exprs": [
{"type": "term", "value": "double", "count": "1"},
{"type": "term", "value": "double", "count": "1"}
]
},
"double": {
"type": "sequence",
"count": "1",
"exprs": [
{"type": "omit", "expr": {"type": "literal", "value": "\"", "count": "1"}},
{
"type": "select",
"count": "*",
"exprs": [
{"type": "sequence", "count": "1", "exprs": [
{"type": "literal", "value": "\\", "count": "1"},
{"type": "gather", "expr": {"type": "term", "value": "any", "count": "1"}}
]},
{"type": "not", "count": "+", "expr": {"type": "literal", "value": "\"", "count": "1"}}
]
},
{"type": "omit", "expr": {"type": "literal", "value": "\"", "count": "1"}}
]
},
"def": {
"type": "sequence",
"count": "1",
"exprs": [
{"type": "gather", "expr": {"type": "term", "value": "name", "count": "1"}},
{"type": "omit", "expr": {"type": "term", "value": "w", "count": "*"}},
{"type": "omit", "expr": {"type": "literal", "value": "::=", "count": "1"}},
{"type": "omit", "expr": {"type": "term", "value": "w", "count": "*"}},
{"type": "term", "value": "expr", "count": "1"},
{"type": "omit", "expr": {"type": "term", "value": "w", "count": "*"}},
{"type": "omit", "expr": {"type": "literal", "value": ";", "count": "1"}}
]
},
"expr": {
"type": "sequence",
"count": "1",
"exprs": [
{"type": "term", "value": "expr_arg", "count": "1"},
{"type": "omit", "expr": {"type": "term", "value": "w", "count": "*"}},
{"type": "sequence", "count": "*", "exprs": [
{"type": "gather", "expr": {"type": "term", "value": "expr_infix", "count": "?"}},
{"type": "omit", "expr": {"type": "term", "value": "w", "count": "*"}},
{"type": "term", "value": "expr_arg", "count": "1"},
{"type": "omit", "expr": {"type": "term", "value": "w", "count": "*"}}
]}
]
},
"expr_arg": {
"type": "sequence",
"count": "1",
"exprs": [
{"type": "term", "value": "expr_prefix", "count": "1"},
{"type": "select", "count": "1", "exprs": [
{"type": "term", "value": "constant", "count": "1"},
{"type": "term", "value": "expr_brackets", "count": "1"},
{"type": "gather", "expr": {"type": "term", "value": "name", "count": "1"}}
]},
{"type": "gather", "expr": {"type": "term", "value": "expr_suffix", "count": "?"}}
]
},
"expr_prefix": {
"type": "sequence",
"count": "1",
"exprs": [
{"type": "literal", "value": "%", "count": "?"},
{"type": "literal", "value": "...", "count": "?"},
{"type": "literal", "value": "!", "count": "?"}
]
},
"expr_infix": {
"type": "select",
"count": "1",
"exprs": [
{"type": "literal", "value": "->", "count": "1"},
{"type": "literal", "value": "|", "count": "1"}
]
},
"expr_suffix": {
"type": "select",
"count": "1",
"exprs": [
{"type": "literal", "value": "*", "count": "1"},
{"type": "literal", "value": "?", "count": "1"},
{"type": "literal", "value": "+", "count": "1"}
]
},
"expr_brackets": {
"type": "sequence",
"count": "1",
"exprs": [
{"type": "omit", "expr": {"type": "literal", "value": "(", "count": "1"}},
{"type": "omit", "expr": {"type": "term", "value": "w", "count": "*"}},
{"type": "term", "value": "expr", "count": "1"},
{"type": "omit", "expr": {"type": "term", "value": "w", "count": "*"}},
{"type": "omit", "expr": {"type": "literal", "value": ")", "count": "1"}}
]
}
}