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parser.js
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3262 lines (3114 loc) · 133 KB
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// Generated by PEG.js 0.10.0.
//
// http://pegjs.org/
"use strict";
function peg$subclass(child, parent) {
function ctor() { this.constructor = child; }
ctor.prototype = parent.prototype;
child.prototype = new ctor();
}
function peg$SyntaxError(message, expected, found, location) {
this.message = message;
this.expected = expected;
this.found = found;
this.location = location;
this.name = "SyntaxError";
if (typeof Error.captureStackTrace === "function") {
Error.captureStackTrace(this, peg$SyntaxError);
}
}
peg$subclass(peg$SyntaxError, Error);
peg$SyntaxError.buildMessage = function(expected, found) {
var DESCRIBE_EXPECTATION_FNS = {
literal: function(expectation) {
return "\"" + literalEscape(expectation.text) + "\"";
},
"class": function(expectation) {
var escapedParts = expectation.parts.map(function(part) {
return Array.isArray(part)
? classEscape(part[0]) + "-" + classEscape(part[1])
: classEscape(part);
});
return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]";
},
any: function(expectation) {
return "any character";
},
end: function(expectation) {
return "end of input";
},
other: function(expectation) {
return expectation.description;
}
};
function hex(ch) {
return ch.charCodeAt(0).toString(16).toUpperCase();
}
function literalEscape(s) {
return s
.replace(/\\/g, "\\\\")
.replace(/"/g, "\\\"")
.replace(/\0/g, "\\0")
.replace(/\t/g, "\\t")
.replace(/\n/g, "\\n")
.replace(/\r/g, "\\r")
.replace(/[\x00-\x0F]/g, function(ch) { return "\\x0" + hex(ch); })
.replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return "\\x" + hex(ch); });
}
function classEscape(s) {
return s
.replace(/\\/g, "\\\\")
.replace(/\]/g, "\\]")
.replace(/\^/g, "\\^")
.replace(/-/g, "\\-")
.replace(/\0/g, "\\0")
.replace(/\t/g, "\\t")
.replace(/\n/g, "\\n")
.replace(/\r/g, "\\r")
.replace(/[\x00-\x0F]/g, function(ch) { return "\\x0" + hex(ch); })
.replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return "\\x" + hex(ch); });
}
function describeExpectation(expectation) {
return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);
}
function describeExpected(expected) {
var descriptions = expected.map(describeExpectation);
var i, j;
descriptions.sort();
if (descriptions.length > 0) {
for (i = 1, j = 1; i < descriptions.length; i++) {
if (descriptions[i - 1] !== descriptions[i]) {
descriptions[j] = descriptions[i];
j++;
}
}
descriptions.length = j;
}
switch (descriptions.length) {
case 1:
return descriptions[0];
case 2:
return descriptions[0] + " or " + descriptions[1];
default:
return descriptions.slice(0, -1).join(", ")
+ ", or "
+ descriptions[descriptions.length - 1];
}
}
function describeFound(found) {
return found ? "\"" + literalEscape(found) + "\"" : "end of input";
}
return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found.";
};
function peg$DefaultTracer() {
this.indentLevel = 0;
}
peg$DefaultTracer.prototype.trace = function(event) {
var that = this;
function log(event) {
function repeat(string, n) {
var result = "", i;
for (i = 0; i < n; i++) {
result += string;
}
return result;
}
function pad(string, length) {
return string + repeat(" ", length - string.length);
}
if (typeof console === "object") {
console.log(
event.location.start.line + ":" + event.location.start.column + "-"
+ event.location.end.line + ":" + event.location.end.column + " "
+ pad(event.type, 10) + " "
+ repeat(" ", that.indentLevel) + event.rule
);
}
}
switch (event.type) {
case "rule.enter":
log(event);
this.indentLevel++;
break;
case "rule.match":
this.indentLevel--;
log(event);
break;
case "rule.fail":
this.indentLevel--;
log(event);
break;
default:
throw new Error("Invalid event type: " + event.type + ".");
}
};
function peg$parse(input, options) {
options = options !== undefined ? options : {};
var peg$FAILED = {};
var peg$startRuleIndices = { start: 0, start_streaming: 1 };
var peg$startRuleIndex = 0;
var peg$consts = [
function(s) {
return s;
},
function(f, b) {
return {
'type': 'statement',
'variant': 'list',
'statement': flattenAll([ f, b ])
};
},
function(s) { return s; },
peg$otherExpectation("Type Definition"),
function(t, a) {
return Object.assign(t, a);
},
function(n) {
return {
'type': 'datatype',
'variant': n[0],
'affinity': n[1]
};
},
peg$otherExpectation("Custom Datatype Name"),
function(t, r) {
const variant = foldStringKey([ t, r ]);
let affinity = 'numeric';
if (/int/i.test(variant)) {
affinity = 'integer';
} else if (/char|clob|text/i.test(variant)) {
affinity = 'text';
} else if (/blob/i.test(variant)) {
affinity = 'blob';
} else if (/real|floa|doub/i.test(variant)) {
affinity = 'real';
}
return {
'type': 'datatype',
'variant': variant,
'affinity': affinity
};
},
/^[\t ]/,
peg$classExpectation(["\t", " "], false, false),
function(w) {
return w;
},
peg$otherExpectation("Type Definition Arguments"),
function(a1, a2) {
return {
'args': {
'type': 'expression',
'variant': 'list',
'expression': flattenAll([ a1, a2 ])
}
};
},
function(n) { return n; },
peg$otherExpectation("Null Literal"),
function(n) {
return {
'type': 'literal',
'variant': 'null',
'value': keyNode(n)
};
},
peg$otherExpectation("Date Literal"),
function(d) {
return {
'type': 'literal',
'variant': 'date',
'value': keyNode(d)
};
},
peg$otherExpectation("String Literal"),
function(n, s) {
return {
'type': 'literal',
'variant': 'text',
'value': s
};
},
peg$otherExpectation("Single-quoted String Literal"),
function(s) {
/**
* @note Unescaped the pairs of literal single quotation marks
*/
/**
* @note Not sure if the BLOB type should be un-escaped
*/
return unescape(s, "'");
},
"''",
peg$literalExpectation("''", false),
/^[^']/,
peg$classExpectation(["'"], true, false),
peg$otherExpectation("Blob Literal"),
/^[x]/i,
peg$classExpectation(["x"], false, true),
function(b) {
return {
'type': 'literal',
'variant': 'blob',
'value': b
};
},
function(n) {
return {
'type': 'literal',
'variant': 'text',
'value': n
};
},
peg$otherExpectation("Number Sign"),
function(s, n) {
if (isOkay(s)) {
n['value'] = foldStringWord([ s, n['value'] ]);
}
return n;
},
function(d, e) {
return {
'type': 'literal',
'variant': 'decimal',
'value': foldStringWord([ d, e ])
};
},
peg$otherExpectation("Decimal Literal"),
function(f, b) { return foldStringWord([ f, b ]); },
function(t, d) { return foldStringWord([ t, d ]); },
peg$otherExpectation("Decimal Literal Exponent"),
"e",
peg$literalExpectation("E", true),
/^[+\-]/,
peg$classExpectation(["+", "-"], false, false),
function(e, s, d) { return foldStringWord([ e, s, d ]); },
peg$otherExpectation("Hexidecimal Literal"),
"0x",
peg$literalExpectation("0x", true),
function(f, b) {
return {
'type': 'literal',
'variant': 'hexidecimal',
'value': foldStringWord([ f, b ])
};
},
/^[0-9a-f]/i,
peg$classExpectation([["0", "9"], ["a", "f"]], false, true),
/^[0-9]/,
peg$classExpectation([["0", "9"]], false, false),
peg$otherExpectation("Bind Parameter"),
function(b) {
return Object.assign({
'type': 'variable'
}, b);
},
peg$otherExpectation("Numbered Bind Parameter"),
function(q, id) {
return {
'format': 'numbered',
'name': foldStringWord([ q, id ])
};
},
/^[1-9]/,
peg$classExpectation([["1", "9"]], false, false),
function(f, r) {
return foldStringWord([ f, r ]);
},
peg$otherExpectation("Named Bind Parameter"),
/^[:@]/,
peg$classExpectation([":", "@"], false, false),
function(s, name) {
return {
'format': 'named',
'name': foldStringWord([ s, name ])
};
},
peg$otherExpectation("TCL Bind Parameter"),
"$",
peg$literalExpectation("$", false),
":",
peg$literalExpectation(":", false),
function(d, name, s) {
return Object.assign({
'format': 'tcl',
'name': foldStringWord([ d, name ])
}, s);
},
function(sfx) {
return {
'suffix': sfx
};
},
peg$otherExpectation("EXISTS Expression"),
function(n, e) {
if (isOkay(n)) {
return {
'type': 'expression',
'format': 'unary',
'variant': 'exists',
'expression': e,
'operator': keyNode(n)
};
}
return e;
},
peg$otherExpectation("EXISTS Keyword"),
function(n, x) { return foldStringKey([ n, x ]); },
peg$otherExpectation("RAISE Expression"),
function(s, a) {
return Object.assign({
'type': 'expression',
'format': 'unary',
'variant': keyNode(s),
'expression': a
}, a);
},
peg$otherExpectation("RAISE Expression Arguments"),
function(a) {
return Object.assign({
'type': 'error'
}, a);
},
peg$otherExpectation("IGNORE Keyword"),
function(f) {
return {
'action': keyNode(f)
};
},
function(f, m) {
return {
'action': keyNode(f),
'message': m
};
},
function(n) {
return n;
},
function(e, c) {
return Object.assign(c, {
'expression': e
});
},
function(op, e) {
return {
'type': 'expression',
'format': 'unary',
'variant': 'operation',
'expression': e,
'operator': keyNode(op)
};
},
peg$otherExpectation("COLLATE Expression"),
function(c) {
return Object.assign({
'type': 'expression',
'format': 'unary',
'variant': 'operation',
'operator': 'collate'
}, c);
},
function(f, rest) { return composeBinary(f, rest); },
function(i) {
return [null, i, null, {
'type': 'literal',
'variant': 'null',
'value': 'null'
}];
},
"not ",
peg$literalExpectation("NOT ", true),
"null",
peg$literalExpectation("NULL", true),
function() { return 'not'; },
function() { return 'is'; },
peg$otherExpectation("CAST Expression"),
function(s, e, a) {
return {
'type': 'expression',
'format': 'unary',
'variant': keyNode(s),
'expression': e,
'as': a
};
},
peg$otherExpectation("Type Alias"),
function(d) { return d; },
peg$otherExpectation("CASE Expression"),
function(t, e, w, s) {
return Object.assign({
'type': 'expression',
'variant': keyNode(t),
'expression': flattenAll([ w, s ])
}, e);
},
function(e) {
return {
'discriminant': e
};
},
peg$otherExpectation("WHEN Clause"),
function(s, w, t) {
return {
'type': 'condition',
'variant': keyNode(s),
'condition': w,
'consequent': t
};
},
peg$otherExpectation("ELSE Clause"),
function(s, e) {
return {
'type': 'condition',
'variant': keyNode(s),
'consequent': e
};
},
function(v, p) {
return Object.assign(p, {
'left': v
});
},
peg$otherExpectation("Comparison Expression"),
function(n, m, e, x) {
return Object.assign({
'type': 'expression',
'format': 'binary',
'variant': 'operation',
'operation': foldStringKey([ n, m ]),
'right': e
}, x);
},
peg$otherExpectation("ESCAPE Expression"),
function(s, e) {
return {
'escape': e
};
},
peg$otherExpectation("BETWEEN Expression"),
function(n, b, tail) {
return {
'type': 'expression',
'format': 'binary',
'variant': 'operation',
'operation': foldStringKey([ n, b ]),
'right': tail
};
},
function(f, rest) { return composeBinary(f, [ rest ]); },
function(n) { return keyNode(n); },
peg$otherExpectation("IN Expression"),
function(n, i, e) {
return {
'type': 'expression',
'format': 'binary',
'variant': 'operation',
'operation': foldStringKey([ n, i ]),
'right': e
};
},
function(e) { return e; },
peg$otherExpectation("Expression List"),
function(l) {
return {
'type': 'expression',
'variant': 'list',
'expression': isOkay(l) ? l : []
};
},
function(f, rest) {
return flattenAll([ f, rest ]);
},
peg$otherExpectation("Function Call"),
function(n, a) {
return Object.assign({
'type': 'function',
'name': n
}, a);
},
peg$otherExpectation("Function Call Arguments"),
function(s) {
return {
'args': {
'type': 'identifier',
'variant': 'star',
'name': s
}
};
},
function(d, e) {
return !isOkay(d) || e['expression'].length > 0;
},
function(d, e) {
return {
'args': Object.assign(e, d)
};
},
function(s) {
return {
'filter': keyNode(s)
};
},
peg$otherExpectation("Error Message"),
function(m) { return m; },
peg$otherExpectation("Statement"),
function(m, s) {
return Object.assign(s, m);
},
peg$otherExpectation("QUERY PLAN"),
function(e, q) {
return {
'explain': isOkay(e)
};
},
peg$otherExpectation("QUERY PLAN Keyword"),
function(q, p) { return foldStringKey([ q, p ]); },
peg$otherExpectation("END Transaction Statement"),
function(s, t) {
return {
'type': 'statement',
'variant': 'transaction',
'action': 'commit'
};
},
peg$otherExpectation("BEGIN Transaction Statement"),
function(s, m, t, n) {
return Object.assign({
'type': 'statement',
'variant': 'transaction',
'action': 'begin'
}, m, n);
},
function(t) { return t; },
function(m) {
return {
'defer': keyNode(m)
};
},
peg$otherExpectation("ROLLBACK Statement"),
function(s, n) {
return Object.assign({
'type': 'statement',
'variant': 'transaction',
'action': 'rollback'
}, n);
},
peg$otherExpectation("TO Clause"),
function(n) {
return {
'savepoint': n
}
},
function(s) { return keyNode(s); },
peg$otherExpectation("SAVEPOINT Statement"),
function(s, n) {
return {
'type': 'statement',
'variant': s,
'target': n
};
},
peg$otherExpectation("RELEASE Statement"),
function(s, a, n) {
return {
'type': 'statement',
'variant': keyNode(s),
'target': n
};
},
peg$otherExpectation("ALTER TABLE Statement"),
function(s, n, e) {
return Object.assign({
'type': 'statement',
'variant': keyNode(s),
'target': n
}, e);
},
peg$otherExpectation("ALTER TABLE Keyword"),
function(a, t) { return foldStringKey([ a, t ]); },
peg$otherExpectation("RENAME TO Keyword"),
function(s, n) {
return {
'action': keyNode(s),
'name': n
};
},
peg$otherExpectation("ADD COLUMN Keyword"),
function(s, d) {
return {
'action': keyNode(s),
'definition': d
};
},
function(w, s) { return Object.assign(s, w); },
peg$otherExpectation("WITH Clause"),
function(s, v, t) {
var recursive = {
'variant': isOkay(v) ? 'recursive' : 'common'
};
if (isArrayOkay(t)) {
// Add 'recursive' property into each table expression
t = t.map(function (elem) {
return Object.assign(elem, recursive);
});
}
return {
'with': t
};
},
function(f, r) { return flattenAll([ f, r ]); },
peg$otherExpectation("Common Table Expression"),
function(t, s) {
return Object.assign({
'type': 'expression',
'format': 'table',
'variant': 'common',
'target': t
}, s);
},
function(s) {
return {
'expression': s
};
},
function(w, s) {
return Object.assign(s, w);
},
peg$otherExpectation("ATTACH Statement"),
function(a, b, e, n) {
return {
'type': 'statement',
'variant': keyNode(a),
'target': n,
'attach': e
};
},
peg$otherExpectation("DETACH Statement"),
function(d, b, n) {
return {
'type': 'statement',
'variant': keyNode(d),
'target': n
};
},
peg$otherExpectation("VACUUM Statement"),
function(v, t) {
return Object.assign({
'type': 'statement',
'variant': 'vacuum'
}, t);
},
function(t) {
return {
'target': t
};
},
peg$otherExpectation("ANALYZE Statement"),
function(s, a) {
return Object.assign({
'type': 'statement',
'variant': keyNode(s)
}, a);
},
function(n) {
return {
'target': n['name']
};
},
peg$otherExpectation("REINDEX Statement"),
function(a) {
return {
'target': a['name']
};
},
peg$otherExpectation("PRAGMA Statement"),
function(s, n, v) {
return {
'type': 'statement',
'variant': keyNode(s),
'target': n,
'args': {
'type': 'expression',
'variant': 'list',
'expression': v
}
};
},
function(v) { return v; },
function(v) { return /^(yes|no|on|off|false|true|0|1)$/i.test(v) },
function(v) {
return {
'type': 'literal',
'variant': 'boolean',
'normalized': (/^(yes|on|true|1)$/i.test(v) ? '1' : '0'),
'value': v
};
},
function(n) {
return keyNode(n);
},
function(n) {
return {
'type': 'identifier',
'variant': 'name',
'name': n
};
},
peg$otherExpectation("SELECT Statement"),
function(s, o, l) {
return Object.assign(s, o, l);
},
peg$otherExpectation("ORDER BY Clause"),
function(d) {
return {
'order': d['result']
};
},
peg$otherExpectation("LIMIT Clause"),
function(s, e, d) {
return {
'limit': Object.assign({
'type': 'expression',
'variant': 'limit',
'start': e
}, d)
};
},
peg$otherExpectation("OFFSET Clause"),
function(o, e) {
return {
'offset': e
};
},
function(s, u) {
if (isArrayOkay(u)) {
return {
'type': 'statement',
'variant': 'compound',
'statement': s,
'compound': u
};
} else {
return s;
}
},
peg$otherExpectation("Union Operation"),
function(c, s) {
return {
'type': 'compound',
'variant': c,
'statement': s
};
},
function(s, f, w, g) {
return Object.assign({
'type': 'statement',
'variant': 'select',
}, s, f, w, g);
},
peg$otherExpectation("SELECT Results Clause"),
function(d, t) {
return Object.assign({
'result': t
}, d);
},
peg$otherExpectation("SELECT Results Modifier"),
function(s) {
return {
'distinct': true
};
},
function(s) {
return {};
},
peg$otherExpectation("FROM Clause"),
function(f, s) {
return {
'from': s
};
},
peg$otherExpectation("WHERE Clause"),
function(f, e) {
return {
'where': makeArray(e)
};
},
peg$otherExpectation("GROUP BY Clause"),
function(f, e, h) {
return Object.assign({
'group': e
}, h);
},
peg$otherExpectation("HAVING Clause"),
function(f, e) {
return {
'having': e
};
},
function(q, s) {
return {
'type': 'identifier',
'variant': 'star',
'name': foldStringWord([ q, s ])
};
},
function(n, s) { return foldStringWord([ n, s ]); },
function(e, a) {
return Object.assign(e, a);
},
function(f, t) {
if (isArrayOkay(t)) {
return {
'type': 'map',
'variant': 'join',
'source': f,
'map': t
};
}
return f;
},
function(cl, c) {
return Object.assign(cl, c);
},
peg$otherExpectation("CROSS JOIN Operation"),
function(n) {
return {
'type': 'join',
'variant': 'cross join',
'source': n
};
},
peg$otherExpectation("JOIN Operation"),
function(o, n) {
return {
'type': 'join',
'variant': keyNode(o),
'source': n
};
},
function(n, l, a) {
return Object.assign({
'type': 'function',
'variant': 'table',
'name': n,
'args': l
}, a);
},
peg$otherExpectation("Qualified Table"),
function(d, i) {
return Object.assign(d, i);
},
peg$otherExpectation("Qualified Table Identifier"),
function(n, a) {
return Object.assign(n, a);
},
peg$otherExpectation("Qualfied Table Index"),
function(s, n) {
return {
'index': n
};
},
function(n, i) {
// TODO: Not sure what should happen here
return {
'index': foldStringKey([ n, i ])
};
},
peg$otherExpectation("SELECT Source"),
function(l, a) { return Object.assign(l, a); },
peg$otherExpectation("Subquery"),
function(s, a) {
return Object.assign(s, a);
},
peg$otherExpectation("Alias"),
function(a, n) {
return {
'alias': n
};
},
peg$otherExpectation("JOIN Operator"),
function(n, t, j) { return foldStringKey([ n, t, j ]); },
function(t, o) { return foldStringKey([ t, o ]); },
function(t) { return keyNode(t); },
peg$otherExpectation("JOIN Constraint"),
function(c) {
return {
'constraint': Object.assign({
'type': 'constraint',
'variant': 'join'
}, c)
}
},
peg$otherExpectation("Join ON Clause"),
function(s, e) {
return {
'format': keyNode(s),
'on': e
};
},
peg$otherExpectation("Join USING Clause"),
function(s, e) {
return {
'format': keyNode(s),
'using': e
};
},
peg$otherExpectation("VALUES Clause"),
function(s, l) {
return {
'type': 'statement',
'variant': 'select',
'result': l
};