version 1.1.2.4, 2001/12/02 07:52:38
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version 1.5, 2005/02/05 23:00:52
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//%2005//////////////////////////////////////////////////////////////////////// |
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// |
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// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development |
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// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. |
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// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation, The Open Group. |
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// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; |
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// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
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// EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining a copy |
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// of this software and associated documentation files (the "Software"), to |
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// deal in the Software without restriction, including without limitation the |
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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// sell copies of the Software, and to permit persons to whom the Software is |
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// furnished to do so, subject to the following conditions: |
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// |
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// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN |
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// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED |
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// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT |
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// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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// |
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//============================================================================== |
/* | /* |
**============================================================================== | **============================================================================== |
** | ** |
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%{ | %{ |
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#include <Pegasus/Common/Config.h> |
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#include <Pegasus/WQL/WQLOperation.h> |
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#include <Pegasus/WQL/WQLOperand.h> |
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#include <Pegasus/WQL/WQLParserState.h> |
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#include <Pegasus/WQL/WQLSelectStatement.h> |
#include <string.h> | #include <string.h> |
#include <stdlib.h> | #include <stdlib.h> |
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#endif | #endif |
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#if 0 | #if 0 |
# define WQL_TRACE(X) printf(X) |
# define WQL_TRACE(X) printf X |
#else | #else |
# define WQL_TRACE(X) | # define WQL_TRACE(X) |
#endif | #endif |
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extern int WQL_lex(); | extern int WQL_lex(); |
extern int WQL_error(char*); |
extern int WQL_error(const char*); |
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// |
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// Define the global parser state object: |
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// |
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PEGASUS_USING_PEGASUS; |
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PEGASUS_NAMESPACE_BEGIN |
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extern WQLParserState* globalParserState; |
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PEGASUS_NAMESPACE_END |
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%} | %} |
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%token <intValue> TOK_WHERE | %token <intValue> TOK_WHERE |
%token <intValue> TOK_FROM | %token <intValue> TOK_FROM |
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%token <strValue> TOK_UNEXPECTED_CHAR |
%token <intValue> TOK_UNEXPECTED_CHAR |
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%type <nodeValue> propertyName |
%type <strValue> propertyName |
%type <nodeValue> propertyList | %type <nodeValue> propertyList |
%type <nodeValue> predicate | %type <nodeValue> predicate |
%type <nodeValue> comparisonPredicate | %type <nodeValue> comparisonPredicate |
%type <nodeValue> comparisonTerm |
// %type <nodeValue> comparisonTerm |
%type <nodeValue> nullPredicate | %type <nodeValue> nullPredicate |
%type <nodeValue> searchCondition | %type <nodeValue> searchCondition |
%type <nodeValue> fromClause | %type <nodeValue> fromClause |
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%type <nodeValue> selectList | %type <nodeValue> selectList |
%type <nodeValue> selectExpression | %type <nodeValue> selectExpression |
%type <strValue> className | %type <strValue> className |
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%type <intValue> truthValue |
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%left TOK_OR | %left TOK_OR |
%left TOK_AND | %left TOK_AND |
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start | start |
: selectStatement | : selectStatement |
{ | { |
printf("YACC: start\n"); |
WQL_TRACE(("YACC: start\n")); |
} | } |
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selectStatement | selectStatement |
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selectList | selectList |
: '*' | : '*' |
{ | { |
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globalParserState->statement->setAllProperties(true); |
} | } |
| propertyList | | propertyList |
{ | { |
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propertyList | propertyList |
: propertyName | : propertyName |
{ | { |
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globalParserState->statement->appendSelectPropertyName(CIMName($1)); |
} | } |
| propertyList ',' propertyName | | propertyList ',' propertyName |
{ | { |
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globalParserState->statement->appendSelectPropertyName(CIMName($3)); |
} | } |
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selectExpression | selectExpression |
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fromClause | fromClause |
: TOK_FROM className | : TOK_FROM className |
{ | { |
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WQL_TRACE(("YACC: fromClause: TOK_FROM className(%s)\n", $2)); |
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globalParserState->statement->setClassName(CIMName($2)); |
} | } |
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whereClause | whereClause |
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searchCondition | searchCondition |
: searchCondition TOK_OR searchCondition | : searchCondition TOK_OR searchCondition |
{ | { |
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WQL_TRACE(("YACC: TOK_OR\n")); |
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globalParserState->statement->appendOperation(WQL_OR); |
} | } |
| searchCondition TOK_AND searchCondition | | searchCondition TOK_AND searchCondition |
{ | { |
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WQL_TRACE(("YACC: TOK_AND\n")); |
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globalParserState->statement->appendOperation(WQL_AND); |
} | } |
| TOK_NOT searchCondition | | TOK_NOT searchCondition |
{ | { |
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WQL_TRACE(("YACC: TOK_NOT\n")); |
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globalParserState->statement->appendOperation(WQL_NOT); |
} | } |
| '(' searchCondition ')' | | '(' searchCondition ')' |
{ | { |
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} | } |
| predicate TOK_IS truthValue | | predicate TOK_IS truthValue |
{ | { |
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WQLOperation op = $3 ? WQL_IS_TRUE : WQL_IS_FALSE; |
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globalParserState->statement->appendOperation(op); |
} | } |
| predicate TOK_IS TOK_NOT truthValue | | predicate TOK_IS TOK_NOT truthValue |
{ | { |
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WQLOperation op = $4 ? WQL_IS_NOT_TRUE : WQL_IS_NOT_FALSE; |
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globalParserState->statement->appendOperation(op); |
} | } |
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/******************************************************************************/ |
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predicate | predicate |
: comparisonPredicate | : comparisonPredicate |
{ | { |
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comparisonPredicate | comparisonPredicate |
: comparisonTerm TOK_LT comparisonTerm | : comparisonTerm TOK_LT comparisonTerm |
{ | { |
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WQL_TRACE(("YACC: TOK_LT\n")); |
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globalParserState->statement->appendOperation(WQL_LT); |
} | } |
| comparisonTerm TOK_GT comparisonTerm | | comparisonTerm TOK_GT comparisonTerm |
{ | { |
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WQL_TRACE(("YACC: TOK_GT\n")); |
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globalParserState->statement->appendOperation(WQL_GT); |
} | } |
| comparisonTerm TOK_LE comparisonTerm | | comparisonTerm TOK_LE comparisonTerm |
{ | { |
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WQL_TRACE(("YACC: TOK_LE\n")); |
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globalParserState->statement->appendOperation(WQL_LE); |
} | } |
| comparisonTerm TOK_GE comparisonTerm | | comparisonTerm TOK_GE comparisonTerm |
{ | { |
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WQL_TRACE(("YACC: TOK_GE\n")); |
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globalParserState->statement->appendOperation(WQL_GE); |
} | } |
| comparisonTerm TOK_EQ comparisonTerm | | comparisonTerm TOK_EQ comparisonTerm |
{ | { |
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WQL_TRACE(("YACC: TOK_EQ\n")); |
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globalParserState->statement->appendOperation(WQL_EQ); |
} | } |
| comparisonTerm TOK_NE comparisonTerm | | comparisonTerm TOK_NE comparisonTerm |
{ | { |
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WQL_TRACE(("YACC: TOK_NE\n")); |
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globalParserState->statement->appendOperation(WQL_NE); |
} | } |
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nullPredicate | nullPredicate |
: comparisonTerm TOK_IS TOK_NULL | : comparisonTerm TOK_IS TOK_NULL |
{ | { |
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WQL_TRACE(("YACC: nullPredicate : comparisonTerm IS NULL\n")); |
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globalParserState->statement->appendOperation(WQL_IS_NULL); |
} | } |
| comparisonTerm TOK_IS TOK_NOT TOK_NULL | | comparisonTerm TOK_IS TOK_NOT TOK_NULL |
{ | { |
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WQL_TRACE(("YACC: nullPredicate : comparisonTerm IS NOT NULL\n")); |
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globalParserState->statement->appendOperation(WQL_IS_NOT_NULL); |
} | } |
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truthValue | truthValue |
: TOK_TRUE | : TOK_TRUE |
{ | { |
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$$ = 1; |
} | } |
| TOK_FALSE | | TOK_FALSE |
{ | { |
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$$ = 0; |
} | } |
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propertyName | propertyName |
: TOK_IDENTIFIER | : TOK_IDENTIFIER |
{ | { |
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WQL_TRACE(("YACC: propertyName : TOK_IDENTIFIER(%s)\n", $1)); |
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$$ = $1; |
} | } |
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className : TOK_IDENTIFIER | className : TOK_IDENTIFIER |
{ | { |
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WQL_TRACE(("YACC: TOK_IDENTIFIER %s\n", $1)); |
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$$ = $1; |
} | } |
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comparisonTerm | comparisonTerm |
: propertyName | : propertyName |
{ | { |
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globalParserState->statement->appendOperand( |
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WQLOperand($1, WQL_PROPERTY_NAME_TAG)); |
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globalParserState->statement->appendWherePropertyName(CIMName($1)); |
} | } |
| TOK_INTEGER | | TOK_INTEGER |
{ | { |
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globalParserState->statement->appendOperand( |
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WQLOperand($1, WQL_INTEGER_VALUE_TAG)); |
} | } |
| TOK_DOUBLE | | TOK_DOUBLE |
{ | { |
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globalParserState->statement->appendOperand( |
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WQLOperand($1, WQL_DOUBLE_VALUE_TAG)); |
} | } |
| TOK_STRING | | TOK_STRING |
{ | { |
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globalParserState->statement->appendOperand( |
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WQLOperand($1, WQL_STRING_VALUE_TAG)); |
} | } |
| truthValue | | truthValue |
{ | { |
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globalParserState->statement->appendOperand( |
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WQLOperand($1 != 0, WQL_BOOLEAN_VALUE_TAG)); |
} | } |
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%% | %% |
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int WQL_error(char* errorMessage) |
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{ |
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fprintf(stderr, "WQL_error: %s\n", errorMessage); |
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return -1; |
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} |
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