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var SqlParser = Editor.Parser = (function() {
function wordRegexp(words) {
return new RegExp("^(?:" + words.join("|") + ")$", "i");
}
var functions = wordRegexp([
"abs", "acos", "adddate", "aes_encrypt", "aes_decrypt", "ascii",
"asin", "atan", "atan2", "avg", "benchmark", "bin", "bit_and",
"bit_count", "bit_length", "bit_or", "cast", "ceil", "ceiling",
"char_length", "character_length", "coalesce", "concat", "concat_ws",
"connection_id", "conv", "convert", "cos", "cot", "count", "curdate",
"current_date", "current_time", "current_timestamp", "current_user",
"curtime", "database", "date_add", "date_format", "date_sub",
"dayname", "dayofmonth", "dayofweek", "dayofyear", "decode", "degrees",
"des_encrypt", "des_decrypt", "elt", "encode", "encrypt", "exp",
"export_set", "extract", "field", "find_in_set", "floor", "format",
"found_rows", "from_days", "from_unixtime", "get_lock", "greatest",
"group_unique_users", "hex", "ifnull", "inet_aton", "inet_ntoa", "instr",
"interval", "is_free_lock", "isnull", "last_insert_id", "lcase", "least",
"left", "length", "ln", "load_file", "locate", "log", "log2", "log10",
"lower", "lpad", "ltrim", "make_set", "master_pos_wait", "max", "md5",
"mid", "min", "mod", "monthname", "now", "nullif", "oct", "octet_length",
"ord", "password", "period_add", "period_diff", "pi", "position",
"pow", "power", "quarter", "quote", "radians", "rand", "release_lock",
"repeat", "reverse", "right", "round", "rpad", "rtrim", "sec_to_time",
"session_user", "sha", "sha1", "sign", "sin", "soundex", "space", "sqrt",
"std", "stddev", "strcmp", "subdate", "substring", "substring_index",
"sum", "sysdate", "system_user", "tan", "time_format", "time_to_sec",
"to_days", "trim", "ucase", "unique_users", "unix_timestamp", "upper",
"user", "version", "week", "weekday", "yearweek"
]);
var keywords = wordRegexp([
"alter", "grant", "revoke", "primary", "key", "table", "start", "top",
"transaction", "select", "update", "insert", "delete", "create", "describe",
"from", "into", "values", "where", "join", "inner", "left", "natural", "and",
"or", "in", "not", "xor", "like", "using", "on", "order", "group", "by",
"asc", "desc", "limit", "offset", "union", "all", "as", "distinct", "set",
"commit", "rollback", "replace", "view", "database", "separator", "if",
"exists", "null", "truncate", "status", "show", "lock", "unique", "having",
"drop", "procedure", "begin", "end", "delimiter", "call", "else", "leave",
"declare", "temporary", "then"
]);
var types = wordRegexp([
"bigint", "binary", "bit", "blob", "bool", "char", "character", "date",
"datetime", "dec", "decimal", "double", "enum", "float", "float4", "float8",
"int", "int1", "int2", "int3", "int4", "int8", "integer", "long", "longblob",
"longtext", "mediumblob", "mediumint", "mediumtext", "middleint", "nchar",
"numeric", "real", "set", "smallint", "text", "time", "timestamp", "tinyblob",
"tinyint", "tinytext", "varbinary", "varchar", "year"
]);
var operators = wordRegexp([
":=", "<", "<=", "==", "<>", ">", ">=", "like", "rlike", "in", "xor", "between"
]);
var operatorChars = /[*+\-<>=&|:\/]/;
var tokenizeSql = (function() {
function normal(source, setState) {
var ch = source.next();
if (ch == "@" || ch == "$") {
source.nextWhileMatches(/[\w\d]/);
return "sql-var";
}
else if (ch == "["){
setState(inAlias(ch))
return null;
}
else if (ch == "\"" || ch == "'" || ch == "`") {
setState(inLiteral(ch));
return null;
}
else if (ch == "," || ch == ";") {
return "sql-separator"
}
else if (ch == '#') {
while (!source.endOfLine()) source.next();
return "sql-comment";
}
else if (ch == '-') {
if (source.peek() == "-") {
while (!source.endOfLine()) source.next();
return "sql-comment";
}
else if (/\d/.test(source.peek())) {
source.nextWhileMatches(/\d/);
if (source.peek() == '.') {
source.next();
source.nextWhileMatches(/\d/);
}
return "sql-number";
}
else
return "sql-operator";
}
else if (operatorChars.test(ch)) {
if(ch == "/" && source.peek() == "*"){
setState(inBlock("sql-comment", "*/"));
return null;
}
else{
source.nextWhileMatches(operatorChars);
return "sql-operator";
}
}
else if (/\d/.test(ch)) {
source.nextWhileMatches(/\d/);
if (source.peek() == '.') {
source.next();
source.nextWhileMatches(/\d/);
}
return "sql-number";
}
else if (/[()]/.test(ch)) {
return "sql-punctuation";
}
else {
source.nextWhileMatches(/[_\w\d]/);
var word = source.get(), type;
if (operators.test(word))
type = "sql-operator";
else if (keywords.test(word))
type = "sql-keyword";
else if (functions.test(word))
type = "sql-function";
else if (types.test(word))
type = "sql-type";
else
type = "sql-word";
return {style: type, content: word};
}
}
function inAlias(quote) {
return function(source, setState) {
while (!source.endOfLine()) {
var ch = source.next();
if (ch == ']') {
setState(normal);
break;
}
}
return "sql-word";
}
}
function inLiteral(quote) {
return function(source, setState) {
var escaped = false;
while (!source.endOfLine()) {
var ch = source.next();
if (ch == quote && !escaped) {
setState(normal);
break;
}
escaped = !escaped && ch == "\\";
}
return quote == "`" ? "sql-quoted-word" : "sql-literal";
};
}
function inBlock(style, terminator) {
return function(source, setState) {
while (!source.endOfLine()) {
if (source.lookAhead(terminator, true)) {
setState(normal);
break;
}
source.next();
}
return style;
};
}
return function(source, startState) {
return tokenizer(source, startState || normal);
};
})();
function indentSql(context) {
return function(nextChars) {
var firstChar = nextChars && nextChars.charAt(0);
var closing = context && firstChar == context.type;
if (!context)
return 0;
else if (context.align)
return context.col - (closing ? context.width : 0);
else
return context.indent + (closing ? 0 : indentUnit);
}
}
function parseSql(source) {
var tokens = tokenizeSql(source);
var context = null, indent = 0, col = 0;
function pushContext(type, width, align) {
context = {prev: context, indent: indent, col: col, type: type, width: width, align: align};
}
function popContext() {
context = context.prev;
}
var iter = {
next: function() {
var token = tokens.next();
var type = token.style, content = token.content, width = token.value.length;
if (content == "\n") {
token.indentation = indentSql(context);
indent = col = 0;
if (context && context.align == null) context.align = false;
}
else if (type == "whitespace" && col == 0) {
indent = width;
}
else if (!context && type != "sql-comment") {
pushContext(";", 0, false);
}
if (content != "\n") col += width;
if (type == "sql-punctuation") {
if (content == "(")
pushContext(")", width);
else if (content == ")")
popContext();
}
else if (type == "sql-separator" && content == ";" && context && !context.prev) {
popContext();
}
return token;
},
copy: function() {
var _context = context, _indent = indent, _col = col, _tokenState = tokens.state;
return function(source) {
tokens = tokenizeSql(source, _tokenState);
context = _context;
indent = _indent;
col = _col;
return iter;
};
}
};
return iter;
}
return {make: parseSql, electricChars: ")"};
})();