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local info = {
version = 1.001,
comment = "scintilla lpeg lexer for sql",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files",
}
local P, R, S = lpeg.P, lpeg.R, lpeg.S
-- local lexer = require("lexer")
local lexer = require("scite-context-lexer")
local context = lexer.context
local patterns = context.patterns
local token = lexer.token
local exact_match = lexer.exact_match
local sqllexer = lexer.new("sql","scite-context-lexer-sql")
local whitespace = sqllexer.whitespace
-- ANSI SQL 92 | 99 | 2003
local keywords_standard = {
"absolute", "action", "add", "after", "all", "allocate", "alter", "and", "any",
"are", "array", "as", "asc", "asensitive", "assertion", "asymmetric", "at",
"atomic", "authorization", "avg", "before", "begin", "between", "bigint",
"binary", "bit", "bit_length", "blob", "boolean", "both", "breadth", "by",
"call", "called", "cascade", "cascaded", "case", "cast", "catalog", "char",
"char_length", "character", "character_length", "check", "clob", "close",
"coalesce", "collate", "collation", "column", "commit", "condition", "connect",
"connection", "constraint", "constraints", "constructor", "contains", "continue",
"convert", "corresponding", "count", "create", "cross", "cube", "current",
"current_date", "current_default_transform_group", "current_path",
"current_role", "current_time", "current_timestamp",
"current_transform_group_for_type", "current_user", "cursor", "cycle", "data",
"date", "day", "deallocate", "dec", "decimal", "declare", "default",
"deferrable", "deferred", "delete", "depth", "deref", "desc", "describe",
"descriptor", "deterministic", "diagnostics", "disconnect", "distinct", "do",
"domain", "double", "drop", "dynamic", "each", "element", "else", "elseif",
"end", "equals", "escape", "except", "exception", "exec", "execute", "exists",
"exit", "external", "extract", "false", "fetch", "filter", "first", "float",
"for", "foreign", "found", "free", "from", "full", "function", "general", "get",
"global", "go", "goto", "grant", "group", "grouping", "handler", "having",
"hold", "hour", "identity", "if", "immediate", "in", "indicator", "initially",
"inner", "inout", "input", "insensitive", "insert", "int", "integer",
"intersect", "interval", "into", "is", "isolation", "iterate", "join", "key",
"language", "large", "last", "lateral", "leading", "leave", "left", "level",
"like", "local", "localtime", "localtimestamp", "locator", "loop", "lower",
"map", "match", "max", "member", "merge", "method", "min", "minute", "modifies",
"module", "month", "multiset", "names", "national", "natural", "nchar", "nclob",
"new", "next", "no", "none", "not", "null", "nullif", "numeric", "object",
"octet_length", "of", "old", "on", "only", "open", "option", "or", "order",
"ordinality", "out", "outer", "output", "over", "overlaps", "pad", "parameter",
"partial", "partition", "path", "position", "precision", "prepare", "preserve",
"primary", "prior", "privileges", "procedure", "public", "range", "read",
"reads", "real", "recursive", "ref", "references", "referencing", "relative",
"release", "repeat", "resignal", "restrict", "result", "return", "returns",
"revoke", "right", "role", "rollback", "rollup", "routine", "row", "rows",
"savepoint", "schema", "scope", "scroll", "search", "second", "section",
"select", "sensitive", "session", "session_user", "set", "sets", "signal",
"similar", "size", "smallint", "some", "space", "specific", "specifictype",
"sql", "sqlcode", "sqlerror", "sqlexception", "sqlstate", "sqlwarning", "start",
"state", "static", "submultiset", "substring", "sum", "symmetric", "system",
"system_user", "table", "tablesample", "temporary", "then", "time", "timestamp",
"timezone_hour", "timezone_minute", "to", "trailing", "transaction", "translate",
"translation", "treat", "trigger", "trim", "true", "under", "undo", "union",
"unique", "unknown", "unnest", "until", "update", "upper", "usage", "user",
"using", "value", "values", "varchar", "varying", "view", "when", "whenever",
"where", "while", "window", "with", "within", "without", "work", "write", "year",
"zone",
}
-- The dialects list is taken from drupal.org with standard subtracted.
--
-- MySQL 3.23.x | 4.x | 5.x
-- PostGreSQL 8.1
-- MS SQL Server 2000
-- MS ODBC
-- Oracle 10.2
local keywords_dialects = {
"a", "abort", "abs", "access", "ada", "admin", "aggregate", "alias", "also",
"always", "analyse", "analyze", "assignment", "attribute", "attributes", "audit",
"auto_increment", "avg_row_length", "backup", "backward", "bernoulli", "bitvar",
"bool", "break", "browse", "bulk", "c", "cache", "cardinality", "catalog_name",
"ceil", "ceiling", "chain", "change", "character_set_catalog",
"character_set_name", "character_set_schema", "characteristics", "characters",
"checked", "checkpoint", "checksum", "class", "class_origin", "cluster",
"clustered", "cobol", "collation_catalog", "collation_name", "collation_schema",
"collect", "column_name", "columns", "command_function", "command_function_code",
"comment", "committed", "completion", "compress", "compute", "condition_number",
"connection_name", "constraint_catalog", "constraint_name", "constraint_schema",
"containstable", "conversion", "copy", "corr", "covar_pop", "covar_samp",
"createdb", "createrole", "createuser", "csv", "cume_dist", "cursor_name",
"database", "databases", "datetime", "datetime_interval_code",
"datetime_interval_precision", "day_hour", "day_microsecond", "day_minute",
"day_second", "dayofmonth", "dayofweek", "dayofyear", "dbcc", "defaults",
"defined", "definer", "degree", "delay_key_write", "delayed", "delimiter",
"delimiters", "dense_rank", "deny", "derived", "destroy", "destructor",
"dictionary", "disable", "disk", "dispatch", "distinctrow", "distributed", "div",
"dual", "dummy", "dump", "dynamic_function", "dynamic_function_code", "enable",
"enclosed", "encoding", "encrypted", "end-exec", "enum", "errlvl", "escaped",
"every", "exclude", "excluding", "exclusive", "existing", "exp", "explain",
"fields", "file", "fillfactor", "final", "float4", "float8", "floor", "flush",
"following", "force", "fortran", "forward", "freetext", "freetexttable",
"freeze", "fulltext", "fusion", "g", "generated", "granted", "grants",
"greatest", "header", "heap", "hierarchy", "high_priority", "holdlock", "host",
"hosts", "hour_microsecond", "hour_minute", "hour_second", "identified",
"identity_insert", "identitycol", "ignore", "ilike", "immutable",
"implementation", "implicit", "include", "including", "increment", "index",
"infile", "infix", "inherit", "inherits", "initial", "initialize", "insert_id",
"instance", "instantiable", "instead", "int1", "int2", "int3", "int4", "int8",
"intersection", "invoker", "isam", "isnull", "k", "key_member", "key_type",
"keys", "kill", "lancompiler", "last_insert_id", "least", "length", "less",
"limit", "lineno", "lines", "listen", "ln", "load", "location", "lock", "login",
"logs", "long", "longblob", "longtext", "low_priority", "m", "matched",
"max_rows", "maxextents", "maxvalue", "mediumblob", "mediumint", "mediumtext",
"message_length", "message_octet_length", "message_text", "middleint",
"min_rows", "minus", "minute_microsecond", "minute_second", "minvalue",
"mlslabel", "mod", "mode", "modify", "monthname", "more", "move", "mumps",
"myisam", "name", "nesting", "no_write_to_binlog", "noaudit", "nocheck",
"nocompress", "nocreatedb", "nocreaterole", "nocreateuser", "noinherit",
"nologin", "nonclustered", "normalize", "normalized", "nosuperuser", "nothing",
"notify", "notnull", "nowait", "nullable", "nulls", "number", "octets", "off",
"offline", "offset", "offsets", "oids", "online", "opendatasource", "openquery",
"openrowset", "openxml", "operation", "operator", "optimize", "optionally",
"options", "ordering", "others", "outfile", "overlay", "overriding", "owner",
"pack_keys", "parameter_mode", "parameter_name", "parameter_ordinal_position",
"parameter_specific_catalog", "parameter_specific_name",
"parameter_specific_schema", "parameters", "pascal", "password", "pctfree",
"percent", "percent_rank", "percentile_cont", "percentile_disc", "placing",
"plan", "pli", "postfix", "power", "preceding", "prefix", "preorder", "prepared",
"print", "proc", "procedural", "process", "processlist", "purge", "quote",
"raid0", "raiserror", "rank", "raw", "readtext", "recheck", "reconfigure",
"regexp", "regr_avgx", "regr_avgy", "regr_count", "regr_intercept", "regr_r2",
"regr_slope", "regr_sxx", "regr_sxy", "regr_syy", "reindex", "reload", "rename",
"repeatable", "replace", "replication", "require", "reset", "resource",
"restart", "restore", "returned_cardinality", "returned_length",
"returned_octet_length", "returned_sqlstate", "rlike", "routine_catalog",
"routine_name", "routine_schema", "row_count", "row_number", "rowcount",
"rowguidcol", "rowid", "rownum", "rule", "save", "scale", "schema_name",
"schemas", "scope_catalog", "scope_name", "scope_schema", "second_microsecond",
"security", "self", "separator", "sequence", "serializable", "server_name",
"setof", "setuser", "share", "show", "shutdown", "simple", "soname", "source",
"spatial", "specific_name", "sql_big_result", "sql_big_selects",
"sql_big_tables", "sql_calc_found_rows", "sql_log_off", "sql_log_update",
"sql_low_priority_updates", "sql_select_limit", "sql_small_result",
"sql_warnings", "sqlca", "sqrt", "ssl", "stable", "starting", "statement",
"statistics", "status", "stddev_pop", "stddev_samp", "stdin", "stdout",
"storage", "straight_join", "strict", "string", "structure", "style",
"subclass_origin", "sublist", "successful", "superuser", "synonym", "sysdate",
"sysid", "table_name", "tables", "tablespace", "temp", "template", "terminate",
"terminated", "text", "textsize", "than", "ties", "tinyblob", "tinyint",
"tinytext", "toast", "top", "top_level_count", "tran", "transaction_active",
"transactions_committed", "transactions_rolled_back", "transform", "transforms",
"trigger_catalog", "trigger_name", "trigger_schema", "truncate", "trusted",
"tsequal", "type", "uescape", "uid", "unbounded", "uncommitted", "unencrypted",
"unlisten", "unlock", "unnamed", "unsigned", "updatetext", "use",
"user_defined_type_catalog", "user_defined_type_code", "user_defined_type_name",
"user_defined_type_schema", "utc_date", "utc_time", "utc_timestamp", "vacuum",
"valid", "validate", "validator", "var_pop", "var_samp", "varbinary", "varchar2",
"varcharacter", "variable", "variables", "verbose", "volatile", "waitfor",
"width_bucket", "writetext", "x509", "xor", "year_month", "zerofill",
}
local space = patterns.space -- S(" \n\r\t\f\v")
local any = patterns.any
local restofline = patterns.restofline
local startofline = patterns.startofline
local squote = P("'")
local dquote = P('"')
local bquote = P('`')
local escaped = P("\\") * P(1)
local begincomment = P("/*")
local endcomment = P("*/")
local decimal = patterns.decimal
local float = patterns.float
local integer = P("-")^-1 * decimal
local spacing = token(whitespace, space^1)
local rest = token("default", any)
local shortcomment = token("comment", (P("#") + P("--")) * restofline^0)
local longcomment = token("comment", begincomment * (1-endcomment)^0 * endcomment^-1)
local p_validword = R("AZ","az","__") * R("AZ","az","__","09")^0
local identifier = token("default",p_validword)
local shortstring = token("quote", dquote) -- can be shared
* token("string", (escaped + (1-dquote))^0)
* token("quote", dquote)
+ token("quote", squote)
* token("string", (escaped + (1-squote))^0)
* token("quote", squote)
+ token("quote", bquote)
* token("string", (escaped + (1-bquote))^0)
* token("quote", bquote)
local p_keywords_s = exact_match(keywords_standard,nil,true)
local p_keywords_d = exact_match(keywords_dialects,nil,true)
local keyword_s = token("keyword", p_keywords_s)
local keyword_d = token("command", p_keywords_d)
local number = token("number", float + integer)
local operator = token("special", S("+-*/%^!=<>;:{}[]().&|?~"))
sqllexer._tokenstyles = context.styleset
sqllexer._foldpattern = P("/*") + P("*/") + S("{}") -- separate entry else interference
sqllexer._foldsymbols = {
_patterns = {
"/%*",
"%*/",
},
["comment"] = {
["/*"] = 1,
["*/"] = -1,
}
}
sqllexer._rules = {
{ "whitespace", spacing },
{ "keyword-s", keyword_s },
{ "keyword-d", keyword_d },
{ "identifier", identifier },
{ "string", shortstring },
{ "longcomment", longcomment },
{ "shortcomment", shortcomment },
{ "number", number },
{ "operator", operator },
{ "rest", rest },
}
return sqllexer
|
