import antlr.TokenBuffer;
import antlr.TokenStreamException;
import antlr.Token;
import antlr.TokenStream;
import antlr.RecognitionException;
import antlr.NoViableAltException;
import antlr.ParserSharedInputState;
import antlr.collections.impl.BitSet;
import antlr.collections.AST;
import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import antlr.ASTFactory;
import antlr.ASTPair;
import antlr.collections.impl.ASTArray;
//sql解析
public class SqlParser extends antlr.LLkParser implements SqlTokenTypes
{
protected SqlParser(TokenBuffer tokenBuf, int k) {
super(tokenBuf,k);
tokenNames = _tokenNames;
buildTokenTypeASTClassMap();
astFactory = new ASTFactory(getTokenTypeToASTClassMap());
}
public SqlParser(TokenBuffer tokenBuf) {
this(tokenBuf,4);
}
protected SqlParser(TokenStream lexer, int k) {
super(lexer,k);
tokenNames = _tokenNames;
buildTokenTypeASTClassMap();
astFactory = new ASTFactory(getTokenTypeToASTClassMap());
}
public SqlParser(TokenStream lexer) {
this(lexer,4);
columnNameSet = new LinkedHashSet<String>();
}
public SqlParser(ParserSharedInputState state) {
super(state,4);
tokenNames = _tokenNames;
buildTokenTypeASTClassMap();
astFactory = new ASTFactory(getTokenTypeToASTClassMap());
}
public final void start_rule() throws RecognitionException, TokenStreamException {
returnAST = null;
ASTPair currentAST = new ASTPair();
AST start_rule_AST = null;
try { // for error handling
{
_loop3:
do {
if ((_tokenSet_0.member(LA(1)))) {
sql_statement();
astFactory.addASTChild(currentAST, returnAST);
}
else {
break _loop3;
}
} while (true);
}
AST tmp1_AST = null;
tmp1_AST = astFactory.create(LT(1));
astFactory.addASTChild(currentAST, tmp1_AST);
match(Token.EOF_TYPE);
start_rule_AST = (AST)currentAST.root;
}
catch (RecognitionException ex) {
if (inputState.guessing==0) {
reportError(ex);
recover(ex,_tokenSet_1);
} else {
throw ex;
}
}
returnAST = start_rule_AST;
}
public final void sql_statement() throws RecognitionException, TokenStreamException {
returnAST = null;
ASTPair currentAST = new ASTPair();
AST sql_statement_AST = null;
try { // for error handling
sql_command();
astFactory.addASTChild(currentAST, returnAST);
{
switch ( LA(1)) {
case SEMI:
{
AST tmp2_AST = null;
tmp2_AST = astFactory.create(LT(1));
astFactory.addASTChild(currentAST, tmp2_AST);
match(SEMI);
break;
}
case EOF:
case OPEN_PAREN:
case LITERAL_select:
case LITERAL_update:
case LITERAL_delete:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
if ( inputState.guessing==0 ) {
sql_statement_AST = (AST)currentAST.root;
sql_statement_AST = (AST)astFactory.make( (new ASTArray(2)).add(astFactory.create(SQL_STATEMENT,"sql_statement")).add(sql_statement_AST));
currentAST.root = sql_statement_AST;
currentAST.child = sql_statement_AST!=null &&sql_statement_AST.getFirstChild()!=null ?
sql_statement_AST.getFirstChild() : sql_statement_AST;
currentAST.advanceChildToEnd();
}
sql_statement_AST = (AST)currentAST.root;
}
catch (RecognitionException ex) {
if (inputState.guessing==0) {
reportError(ex);
recover(ex,_tokenSet_2);
} else {
throw ex;
}
}
returnAST = sql_statement_AST;
}
public final void sql_command() throws RecognitionException, TokenStreamException {
returnAST = null;
ASTPair currentAST = new ASTPair();
AST sql_command_AST = null;
try { // for error handling
to_modify_data();
astFactory.addASTChild(currentAST, returnAST);
sql_command_AST = (AST)currentAST.root;
}
catch (RecognitionException ex) {
if (inputState.guessing==0) {
reportError(ex);
recover(ex,_tokenSet_3);
} else {
throw ex;
}
}
returnAST = sql_command_AST;
}
public final void to_modify_data() throws RecognitionException, TokenStreamException {
returnAST = null;
ASTPair currentAST = new ASTPair();
AST to_modify_data_AST = null;
try { // for error handling
switch ( LA(1)) {
case OPEN_PAREN:
case LITERAL_select:
{
select_command();
astFactory.addASTChild(currentAST, returnAST);
to_modify_data_AST = (AST)currentAST.root;
break;
}
case LITERAL_update:
{
update_command();
astFactory.addASTChild(currentAST, returnAST);
to_modify_data_AST = (AST)currentAST.root;
break;
}
case LITERAL_delete:
{
delete_command();
astFactory.addASTChild(currentAST, returnAST);
to_modify_data_AST = (AST)currentAST.root;
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
catch (RecognitionException ex) {
if (inputState.guessing==0) {
reportError(ex);
recover(ex,_tokenSet_3);
} else {
throw ex;
}
}
returnAST = to_modify_data_AST;
}
public final void select_command() throws RecognitionException, TokenStreamException {
returnAST = null;
ASTPair currentAST = new ASTPair();
AST select_command_AST = null;
try { // for error handling
select_statement();
astFactory.addASTChild(currentAST, returnAST);
{
_loop10:
do {
if ((LA(1)==LITERAL_union) && (LA(2)==OPEN_PAREN||LA(2)==LITERAL_select) && (_tokenSet_4.member(LA(3))) && (_tokenSet_5.member(LA(4)))) {
AST tmp3_AST = null;
tmp3_AST = astFactory.create(LT(1));
astFactory.addASTChild(currentAST, tmp3_AST);
match(LITERAL_union);
select_statement();
astFactory.addASTChild(currentAST, returnAST);
}
else {
break _loop10;
}
} while (true);
}
select_command_AST = (AST)currentAST.root;
}
catch (RecognitionException ex) {
if (inputState.guessing==0) {
reportError(ex);
recover(ex,_tokenSet_6);
} else {
throw ex;
}
}
returnAST = select_command_AST;
}
public final void update_command() throws RecognitionException, TokenStreamException {
returnAST = null;
ASTPair currentAST = new ASTPair();
AST update_command_AST = null;
try { // for error handling
boolean synPredMatched212 = false;
if (((LA(1)==LITERAL_update) && (_tokenSet_7.member(LA(2))) && (_tokenSet_8.member(LA(3))) && (_tokenSet_9.member(LA(4))))) {
int _m212 = mark();
synPredMatched212 = true;
inputState.guessing++;
try {
{
subquery_update();
}
}
catch (RecognitionException pe) {
synPredMatched212 = false;
}
rewind(_m212);
inputState.guessing--;
}
if ( synPredMatched212 ) {
subquery_update();
astFactory.addASTChild(currentAST, returnAST);
update_command_AST = (AST)currentAST.root;
}
else if ((LA(1)==LITERAL_update) && (_tokenSet_7.member(LA(2))) && (_tokenSet_8.member(LA(3))) && (_tokenSet_10.member(LA(4)))) {
simple_update();
astFactory.addASTChild(currentAST, returnAST);
update_command_AST = (AST)currentAST.root;
}
else {
throw new NoViableAltException(LT(1), getFilename());
}
}
catch (RecognitionException ex) {
if (inputState.guessing==0) {
reportError(ex);
recover(ex,_tokenSet_3);
} else {
throw ex;
}
}
returnAST = update_command_AST;
}
public final void delete_command() throws RecognitionException, TokenStreamException {
returnAST = null;
ASTPair currentAST = new ASTPair();
AST delete_command_AST = null;
try { // for error handling
AST tmp4_AST = null;
tmp4_AST = as
sqlRule.zip （15个子文件） 
sqlRule bin 
RuleMain.class 1KB SqlLexer.class 16KB RuleParserException.class 2KB RuleParser.class 2KB SqlTokenTypes.class 4KB SqlParser.class 79KB .settings org.eclipse.jdt.core.prefs 629B src SqlTokenTypes.java 3KB SqlParser.java 173KB RuleMain.java 637B RuleParserException.java 3KB RuleParser.java 2KB SqlLexer.java 27KB .project 383B .classpath 473B资源评论
