firebird/firebird-mirror
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57d222bb0a
firebird-mirror/src/dsql/keywords.cpp
asfernandes c1b5abfdf2 1) Refactor all types of boolean nodes. 
2) Remove the scratch from the nodes.
2010-09-17 03:15:32 +00:00

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/*
* The contents of this file are subject to the Initial
* Developer's Public License Version 1.0 (the "License");
* you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
*
* Software distributed under the License is distributed AS IS,
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights
* and limitations under the License.
*
* The Original Code was created by Mark O'Donohue
* for the Firebird Open Source RDBMS project.
*
* Copyright (c) 2002 Mark O'Donohue <skywalker@users.sourceforge.net>
* and all contributors signed below.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*
* 2005.05.19 Claudio Valderrama: signal tokens that aren't reserved in the
* engine thanks to special handling.
* Adriano dos Santos Fernandes
*/
#include "firebird.h"
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "../dsql/Nodes.h"
#include "../dsql/AggNodes.h"
#include "../dsql/DdlNodes.h"
#include "../dsql/BoolNodes.h"
#include "../dsql/ExprNodes.h"
#include "../dsql/PackageNodes.h"
#include "../dsql/StmtNodes.h"
#include "../dsql/WinNodes.h"
#include "../common/classes/Nullable.h"
#include "dsql.tab.h"
#include "keywords.h"
// CVC: The latest column indicates whether the token has special handling in
// the parser. If it does, KEYWORD_stringIsAToken will return false.
// I discovered isql was being fooled and put double quotes around those
// special cases unnecessarily.
static const TOK tokens[] =
{
{NOT_LSS, "!<", 1, false},
{NEQ, "!=", 1, false},
{NOT_GTR, "!>", 1, false},
{LPAREN, "(", 1, false},
{RPAREN, ")", 1, false},
{COMMA, ",", 1, false},
{LSS, "<", 1, false},
{LEQ, "<=", 1, false},
{NEQ, "<>", 1, false}, // Alias of !=
{EQL, "=", 1, false},
{GTR, ">", 1, false},
{GEQ, ">=", 1, false},
{BIND_PARAM, ":=", 2, false},
{ABS, "ABS", 2, false},
{KW_ABSOLUTE, "ABSOLUTE", 2, true},
{ACCENT, "ACCENT", 2, true},
{ACOS, "ACOS", 2, false},
{ACOSH, "ACOSH", 2, false},
{ACTION, "ACTION", 1, true},
{ACTIVE, "ACTIVE", 1, false},
{ADD, "ADD", 1, false},
{ADMIN, "ADMIN", 1, false},
{AFTER, "AFTER", 1, false},
{ALL, "ALL", 1, false},
{ALTER, "ALTER", 1, false},
{ALWAYS, "ALWAYS", 2, true},
{AND, "AND", 1, false},
{ANY, "ANY", 1, false},
{AS, "AS", 1, false},
{ASC, "ASC", 1, false}, // Alias of ASCENDING
{ASC, "ASCENDING", 1, false},
{ASCII_CHAR, "ASCII_CHAR", 2, false},
{ASCII_VAL, "ASCII_VAL", 2, false},
{ASIN, "ASIN", 2, false},
{ASINH, "ASINH", 2, false},
{AT, "AT", 1, false},
{ATAN, "ATAN", 2, false},
{ATAN2, "ATAN2", 2, false},
{ATANH, "ATANH", 2, false},
{AUTO, "AUTO", 1, false},
{AUTONOMOUS, "AUTONOMOUS", 2, false},
{AVG, "AVG", 1, false},
{BACKUP, "BACKUP", 2, true},
{BEFORE, "BEFORE", 1, false},
{BEGIN, "BEGIN", 1, false},
{BETWEEN, "BETWEEN", 1, false},
{BIGINT, "BIGINT", 2, false},
{BIN_AND, "BIN_AND", 2, false},
{BIN_NOT, "BIN_NOT", 2, false},
{BIN_OR, "BIN_OR", 2, false},
{BIN_SHL, "BIN_SHL", 2, false},
{BIN_SHR, "BIN_SHR", 2, false},
{BIN_XOR, "BIN_XOR", 2, false},
{BIT_LENGTH, "BIT_LENGTH", 2, false},
{BLOB, "BLOB", 1, false},
{BLOCK, "BLOCK", 2, true},
{BODY, "BODY", 2, true},
{BOTH, "BOTH", 2, false},
{KW_BREAK, "BREAK", 2, true},
{BY, "BY", 1, false},
{CALLER, "CALLER", 2, true},
{CASCADE, "CASCADE", 1, true},
{CASE, "CASE", 2, false},
{CAST, "CAST", 1, false},
{CEIL, "CEIL", 2, false}, // alias of CEILING
{CEIL, "CEILING", 2, false},
{KW_CHAR, "CHAR", 1, false},
{CHAR_LENGTH, "CHAR_LENGTH", 2, false},
{CHAR_TO_UUID, "CHAR_TO_UUID", 2, false},
{CHARACTER, "CHARACTER", 1, false},
{CHARACTER_LENGTH, "CHARACTER_LENGTH", 2, false},
{CHECK, "CHECK", 1, false},
{CLOSE, "CLOSE", 2, false},
{COALESCE, "COALESCE", 2, true},
{COLLATE, "COLLATE", 1, false},
{COLLATION, "COLLATION", 2, true},
{COLUMN, "COLUMN", 2, false},
{COMMENT, "COMMENT", 2, true},
{COMMIT, "COMMIT", 1, false},
{COMMITTED, "COMMITTED", 1, false},
{COMMON, "COMMON", 2, true},
{COMPUTED, "COMPUTED", 1, false},
{CONDITIONAL, "CONDITIONAL", 1, false},
{CONNECT, "CONNECT", 2, false},
{CONSTRAINT, "CONSTRAINT", 1, false},
{CONTAINING, "CONTAINING", 1, false},
{CONTINUE, "CONTINUE", 2, true},
{COS, "COS", 2, false},
{COSH, "COSH", 2, false},
{COT, "COT", 2, false},
{COUNT, "COUNT", 1, false},
{CREATE, "CREATE", 1, false},
{CROSS, "CROSS", 2, false},
{CSTRING, "CSTRING", 1, false},
{CURRENT, "CURRENT", 1, false},
{CURRENT_CONNECTION, "CURRENT_CONNECTION", 2, false},
{CURRENT_DATE, "CURRENT_DATE", 2, false},
{CURRENT_ROLE, "CURRENT_ROLE", 2, false},
{CURRENT_TIME, "CURRENT_TIME", 2, false},
{CURRENT_TIMESTAMP, "CURRENT_TIMESTAMP", 2, false},
{CURRENT_TRANSACTION, "CURRENT_TRANSACTION", 2, false},
{CURRENT_USER, "CURRENT_USER", 2, false},
{CURSOR, "CURSOR", 1, false},
{DATABASE, "DATABASE", 1, false},
{DATA, "DATA", 2, true},
{DATE, "DATE", 1, false},
{DATEADD, "DATEADD", 2, false},
{DATEDIFF, "DATEDIFF", 2, false},
{DAY, "DAY", 2, false},
{DDL, "DDL", 2, false},
{KW_DEC, "DEC", 1, false},
{DECIMAL, "DECIMAL", 1, false},
{DECLARE, "DECLARE", 1, false},
{DECODE, "DECODE", 2, false},
{DEFAULT, "DEFAULT", 1, false},
{KW_DELETE, "DELETE", 1, false},
{DELETING, "DELETING", 2, true},
{DENSE_RANK, "DENSE_RANK", 2, false},
{DESC, "DESC", 1, false}, // Alias of DESCENDING
{DESC, "DESCENDING", 1, false},
{KW_DESCRIPTOR, "DESCRIPTOR", 2, true},
{DETERMINISTIC, "DETERMINISTIC", 2, false},
{KW_DIFFERENCE, "DIFFERENCE", 2, true},
{DISCONNECT, "DISCONNECT", 2, false},
{DISTINCT, "DISTINCT", 1, false},
{DO, "DO", 1, false},
{DOMAIN, "DOMAIN", 1, false},
{KW_DOUBLE, "DOUBLE", 1, false},
{DROP, "DROP", 1, false},
{ELSE, "ELSE", 1, false},
{END, "END", 1, false},
{ENGINE, "ENGINE", 2, true},
{ENTRY_POINT, "ENTRY_POINT", 1, false},
{ESCAPE, "ESCAPE", 1, false},
{EXCEPTION, "EXCEPTION", 1, false},
{EXECUTE, "EXECUTE", 1, false},
{EXISTS, "EXISTS", 1, false},
{EXIT, "EXIT", 1, false},
{EXP, "EXP", 2, false},
{EXTERNAL, "EXTERNAL", 1, false},
{EXTRACT, "EXTRACT", 2, false},
{FETCH, "FETCH", 2, false},
{KW_FILE, "FILE", 1, false},
{FILTER, "FILTER", 1, false},
{FIRST, "FIRST", 2, true},
{FIRSTNAME, "FIRSTNAME", 2, false},
{KW_FLOAT, "FLOAT", 1, false},
{FLOOR, "FLOOR", 2, false},
{FOR, "FOR", 1, false},
{FOREIGN, "FOREIGN", 1, false},
{FREE_IT, "FREE_IT", 1, true},
{FROM, "FROM", 1, false},
{FULL, "FULL", 1, false},
{FUNCTION, "FUNCTION", 1, false},
{GDSCODE, "GDSCODE", 1, false},
{GENERATED, "GENERATED", 2, true},
{GENERATOR, "GENERATOR", 1, false},
{GEN_ID, "GEN_ID", 1, false},
{GEN_UUID, "GEN_UUID", 2, false},
{GLOBAL, "GLOBAL", 2, false},
{GRANT, "GRANT", 1, false},
{GRANTED, "GRANTED", 2, false},
{GROUP, "GROUP", 1, false},
{HASH, "HASH", 2, false},
{HAVING, "HAVING", 1, false},
{HOUR, "HOUR", 2, false},
{IDENTITY, "IDENTITY", 2, false},
{IF, "IF", 1, false},
{KW_IGNORE, "IGNORE", 2, true},
{IIF, "IIF", 2, true},
{KW_IN, "IN", 1, false},
{INACTIVE, "INACTIVE", 1, false},
{INDEX, "INDEX", 1, false},
{INNER, "INNER", 1, false},
{INPUT_TYPE, "INPUT_TYPE", 1, false},
{INSENSITIVE, "INSENSITIVE", 2, false},
{INSERT, "INSERT", 1, false},
{INSERTING, "INSERTING", 2, true},
{KW_INT, "INT", 1, false},
{INTEGER, "INTEGER", 1, false},
{INTO, "INTO", 1, false},
{IS, "IS", 1, false},
{ISOLATION, "ISOLATION", 1, false},
{JOIN, "JOIN", 1, false},
{KEY, "KEY", 1, false},
{LAG, "LAG", 2, false},
{LAST, "LAST", 2, true},
{LASTNAME, "LASTNAME", 2, false},
{LEAD, "LEAD", 2, false},
{LEADING, "LEADING", 2, false},
{LEAVE, "LEAVE", 2, true},
{LEFT, "LEFT", 1, false},
{LENGTH, "LENGTH", 1, false},
{LEVEL, "LEVEL", 1, false},
{LIKE, "LIKE", 1, false},
{LIMBO, "LIMBO", 2, true},
{LIST, "LIST", 2, false},
{LN, "LN", 2, false},
{LOCK, "LOCK", 2, true},
{LOG, "LOG", 2, false},
{LOG10, "LOG10", 2, false},
{KW_LONG, "LONG", 1, false},
{KW_LOWER, "LOWER", 2, false},
{LPAD, "LPAD", 2, false},
{MANUAL, "MANUAL", 1, false},
{MAPPING, "MAPPING", 2, false},
{MATCHED, "MATCHED", 2, false},
{MATCHING, "MATCHING", 2, false},
{MAXIMUM, "MAX", 1, false},
{MAXVALUE, "MAXVALUE", 2, false},
{MAX_SEGMENT, "MAXIMUM_SEGMENT", 1, false},
{MERGE, "MERGE", 1, false},
{MILLISECOND, "MILLISECOND", 2, false},
{MIDDLENAME, "MIDDLENAME", 2, false},
{MINIMUM, "MIN", 1, false},
{MINUTE, "MINUTE", 2, false},
{MINVALUE, "MINVALUE", 2, false},
{MOD, "MOD", 2, false},
{MODULE_NAME, "MODULE_NAME", 1, false},
{MONTH, "MONTH", 2, false},
{NAME, "NAME", 2, true},
{NAMES, "NAMES", 1, false},
{NATIONAL, "NATIONAL", 1, false},
{NATURAL, "NATURAL", 1, false},
{NCHAR, "NCHAR", 1, false},
{NEXT, "NEXT", 2, true},
{NO, "NO", 1, false},
{NOT, "NOT", 1, false},
{NULLIF, "NULLIF", 2, true},
{KW_NULL, "NULL", 1, false},
{NULLS, "NULLS", 2, true},
{KW_NUMERIC, "NUMERIC", 1, false},
{OCTET_LENGTH, "OCTET_LENGTH", 2, false},
{OF, "OF", 1, false},
{ON, "ON", 1, false},
{ONLY, "ONLY", 1, false},
{OPEN, "OPEN", 2, false},
{OPTION, "OPTION", 1, false},
{OR, "OR", 1, false},
{ORDER, "ORDER", 1, false},
{OS_NAME, "OS_NAME", 2, false},
{OUTER, "OUTER", 1, false},
{OUTPUT_TYPE, "OUTPUT_TYPE", 1, false},
{OVER, "OVER", 2, false},
{OVERFLOW, "OVERFLOW", 1, false},
{OVERLAY, "OVERLAY", 2, false},
{PACKAGE, "PACKAGE", 2, true},
{PAD, "PAD", 2, true},
{PAGE, "PAGE", 1, false},
{PAGES, "PAGES", 1, false},
{KW_PAGE_SIZE, "PAGE_SIZE", 1, false},
{PARAMETER, "PARAMETER", 1, false},
{PARTITION, "PARTITION", 2, false},
{PASSWORD, "PASSWORD", 1, false},
{PI, "PI", 2, false},
{PLACING, "PLACING", 2, false},
{PLAN, "PLAN", 1, false},
{POSITION, "POSITION", 1, false},
{POST_EVENT, "POST_EVENT", 1, false},
{POWER, "POWER", 2, false},
{PRECISION, "PRECISION", 1, false},
{PRESERVE, "PRESERVE", 2, true},
{PRIMARY, "PRIMARY", 1, false},
{PRIOR, "PRIOR", 2, true},
{PRIVILEGES, "PRIVILEGES", 1, false},
{PROCEDURE, "PROCEDURE", 1, false},
{PROTECTED, "PROTECTED", 1, false},
{RAND, "RAND", 2, false},
{RANK, "RANK", 2, false},
{DB_KEY, "RDB$DB_KEY", 1, false},
{RDB_GET_CONTEXT, "RDB$GET_CONTEXT", 2, true},
{RDB_SET_CONTEXT, "RDB$SET_CONTEXT", 2, true},
{READ, "READ", 1, false},
{REAL, "REAL", 1, false},
{VERSION, "RECORD_VERSION", 1, false},
{RECREATE, "RECREATE", 2, false},
{RECURSIVE, "RECURSIVE", 2, false},
{REFERENCES, "REFERENCES", 1, false},
{KW_RELATIVE, "RELATIVE", 2, true},
{RELEASE, "RELEASE", 2, false},
{REPLACE, "REPLACE", 2, false},
{REQUESTS, "REQUESTS", 2, true},
{RESERVING, "RESERV", 1, false}, // Alias of RESERVING
{RESERVING, "RESERVING", 1, false},
{RESTART, "RESTART", 2, true},
{RESTRICT, "RESTRICT", 1, true},
{RETAIN, "RETAIN", 1, false},
{RETURN, "RETURN", 2, false},
{RETURNING, "RETURNING", 2, true},
{RETURNING_VALUES, "RETURNING_VALUES", 1, false},
{RETURNS, "RETURNS", 1, false},
{REVERSE, "REVERSE", 2, false},
{REVOKE, "REVOKE", 1, false},
{RIGHT, "RIGHT", 1, false},
{ROLE, "ROLE", 1, true},
{ROLLBACK, "ROLLBACK", 1, false},
{ROUND, "ROUND", 2, false},
{ROW_COUNT, "ROW_COUNT", 2, false},
{ROW_NUMBER, "ROW_NUMBER", 2, false},
{ROWS, "ROWS", 2, false},
{RPAD, "RPAD", 2, false},
{SAVEPOINT, "SAVEPOINT", 2, false},
{SCALAR_ARRAY, "SCALAR_ARRAY", 2, true},
{DATABASE, "SCHEMA", 1, false}, // Alias of DATABASE
{SCROLL, "SCROLL", 2, false},
{SECOND, "SECOND", 2, false},
{SEGMENT, "SEGMENT", 1, false},
{SELECT, "SELECT", 1, false},
{SENSITIVE, "SENSITIVE", 2, false},
{SEQUENCE, "SEQUENCE", 2, true},
{SET, "SET", 1, false},
{SHADOW, "SHADOW", 1, false},
{KW_SHARED, "SHARED", 1, false},
{SIGN, "SIGN", 2, false},
{SIMILAR, "SIMILAR", 2, false},
{SIN, "SIN", 2, false},
{SINGULAR, "SINGULAR", 1, false},
{SINH, "SINH", 2, false},
{KW_SIZE, "SIZE", 1, false},
{SKIP, "SKIP", 2, true},
{SMALLINT, "SMALLINT", 1, false},
{SNAPSHOT, "SNAPSHOT", 1, false},
{SOME, "SOME", 1, false},
{SORT, "SORT", 1, false},
{SOURCE, "SOURCE", 2, true},
{SPACE, "SPACE", 2, true},
{SQLCODE, "SQLCODE", 1, false},
{SQLSTATE, "SQLSTATE", 2, false},
{SQRT, "SQRT", 2, false},
{STABILITY, "STABILITY", 1, false},
{START, "START", 2, false},
{STARTING, "STARTING", 1, false},
{STARTING, "STARTS", 1, false}, // Alias of STARTING
{STATEMENT, "STATEMENT", 2, true},
{STATISTICS, "STATISTICS", 1, false},
{SUBSTRING, "SUBSTRING", 2, true},
{SUB_TYPE, "SUB_TYPE", 1, false},
{SUM, "SUM", 1, false},
{SUSPEND, "SUSPEND", 1, false},
{TABLE, "TABLE", 1, false},
{TAN, "TAN", 2, false},
{TANH, "TANH", 2, false},
{TEMPORARY, "TEMPORARY", 2, true},
{THEN, "THEN", 1, false},
{TIME, "TIME", 2, false},
{TIMESTAMP, "TIMESTAMP", 2, false},
{TIMEOUT, "TIMEOUT", 2, true},
{TO, "TO", 1, false},
{TRAILING, "TRAILING", 2, false},
{TRANSACTION, "TRANSACTION", 1, false},
{TRIGGER, "TRIGGER", 1, false},
{TRIM, "TRIM", 2, false},
{TRUNC, "TRUNC", 2, false},
{TWO_PHASE, "TWO_PHASE", 2, true},
{KW_TYPE, "TYPE", 2, true},
{UNCOMMITTED, "UNCOMMITTED", 1, false},
{UNDO, "UNDO", 2, true},
{UNION, "UNION", 1, false},
{UNIQUE, "UNIQUE", 1, false},
{UPDATE, "UPDATE", 1, false},
{UPDATING, "UPDATING", 2, true},
{KW_UPPER, "UPPER", 1, false},
{USER, "USER", 1, false},
{USING, "USING", 2, false},
{UUID_TO_CHAR, "UUID_TO_CHAR", 2, false},
{KW_VALUE, "VALUE", 1, false},
{VALUES, "VALUES", 1, false},
{VARCHAR, "VARCHAR", 1, false},
{VARIABLE, "VARIABLE", 1, false},
{VARYING, "VARYING", 1, false},
{VIEW, "VIEW", 1, false},
{WAIT, "WAIT", 1, false},
{WEEK, "WEEK", 2, false},
{WEEKDAY, "WEEKDAY", 2, true},
{WHEN, "WHEN", 1, false},
{WHERE, "WHERE", 1, false},
{WHILE, "WHILE", 1, false},
{WITH, "WITH", 1, false},
{WORK, "WORK", 1, false},
{WRITE, "WRITE", 1, false},
{YEAR, "YEAR", 2, false},
{YEARDAY, "YEARDAY", 2, true},
{NOT_LSS, "^<", 1, false}, // Alias of !<
{NEQ, "^=", 1, false}, // Alias of !=
{NOT_GTR, "^>", 1, false}, // Alias of !>
{CONCATENATE, "||", 1, false},
{NOT_LSS, "~<", 1, false}, // Alias of !<
{NEQ, "~=", 1, false}, // Alias of !=
{NOT_GTR, "~>", 1, false}, // Alias of !>
{0, 0, 0, false}
};
// This method is currently used in isql/isql.epp to check if a
// user field is a reserved word, and hence needs to be quoted.
// Obviously a hash table would make this a little quicker.
// MOD 29-June-2002
extern "C" {
int API_ROUTINE KEYWORD_stringIsAToken(const char* in_str)
{
const TOK* tok_ptr = tokens;
while (tok_ptr->tok_string)
{
if (!tok_ptr->nonReserved && !strcmp(tok_ptr->tok_string, in_str)) {
return true;
}
++tok_ptr;
}
return false;
}
Tokens API_ROUTINE KEYWORD_getTokens()
{
return tokens;
}
}
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