/** * Compiles {@code source} and returns the transformed and optimized * {@link ScriptNode} */ protected ScriptNode compile(CharSequence source) { final String mainMethodClassName = "Main"; final String scriptClassName = "Main"; CompilerEnvirons compilerEnv = new CompilerEnvirons(); compilerEnv.initFromContext(cx); Parser p = new Parser(compilerEnv); AstRoot ast = p.parse(source.toString(), "<eval>", 1); IRFactory irf = new IRFactory(compilerEnv); ScriptNode tree = irf.transformTree(ast); Codegen codegen = new Codegen(); codegen.setMainMethodClass(mainMethodClassName); codegen.compileToClassFile(compilerEnv, scriptClassName, tree, tree.getEncodedSource(), false); return tree; }
/** * Compiles {@code source} and returns the transformed and optimized * {@link ScriptNode} */ protected ScriptNode compile(CharSequence source) { final String mainMethodClassName = "Main"; final String scriptClassName = "Main"; CompilerEnvirons compilerEnv = new CompilerEnvirons(); compilerEnv.initFromContext(cx); ErrorReporter compilationErrorReporter = compilerEnv .getErrorReporter(); Parser p = new Parser(compilerEnv, compilationErrorReporter); AstRoot ast = p.parse(source.toString(), "<eval>", 1); IRFactory irf = new IRFactory(compilerEnv); ScriptNode tree = irf.transformTree(ast); Codegen codegen = new Codegen(); codegen.setMainMethodClass(mainMethodClassName); codegen.compileToClassFile(compilerEnv, scriptClassName, tree, tree.getEncodedSource(), false); return tree; }
/** * * @param expr * @param objectName * @return */ private static String getReferencedScriptObject( String expr, String objectName ) { if ( expr == null ) return null; try { Context cx = Context.enter( ); CompilerEnvirons ce = new CompilerEnvirons( ); Parser p = new Parser( ce, cx.getErrorReporter( ) ); AstRoot tree = p.parse( expr, null, 0 ); IRFactory ir = new IRFactory( ce ); ScriptNode script = ir.transformTree( tree ); return getScriptObjectName( script, objectName ); } finally { Context.exit( ); } }
/** * * @param expr * @param objectName * @return */ public static String getReferencedScriptObject( String expr, String objectName ) { if ( expr == null ) return null; try { Context cx = Context.enter( ); CompilerEnvirons ce = new CompilerEnvirons( ); Parser p = new Parser( ce, cx.getErrorReporter( ) ); AstRoot tree = p.parse( expr, null, 0 ); Node root = new IRFactory( ce).transformTree(tree); return getScriptObjectName( root, objectName ); } catch( Exception ex ) { return null; } finally { Context.exit( ); } }
/** * * @param expr * @param bindings * @param onlyFromDirectReferenceExpr * @return * @throws DataException */ private static Set getReferencedDimLevel( IScriptExpression expr, List bindings, boolean onlyFromDirectReferenceExpr ) throws DataException { if ( expr == null || expr.getText( ) == null || expr.getText( ).length( ) == 0 || BaseExpression.constantId.equals( expr.getScriptId( ) ) ) return new HashSet( ); try { Set result = new HashSet( ); Context cx = Context.enter( ); CompilerEnvirons ce = new CompilerEnvirons( ); Parser p = new Parser( ce, cx.getErrorReporter( ) ); AstRoot tree = p.parse( expr.getText( ), null, 0 ); Node root = new IRFactory( ce).transformTree(tree); populateDimLevels( null, root, result, bindings, onlyFromDirectReferenceExpr ); return result; } finally { Context.exit( ); } }
/** * parse the expression to script tree * * @param expression * @param cx * @return * @throws DataException */ protected ScriptNode parse( String expression, Context cx ) throws DataException { if ( expression == null ) throw new DataException( ResourceConstants.EXPRESSION_CANNOT_BE_NULL_OR_BLANK ); CompilerEnvirons compilerEnv = getCompilerEnv( cx ); Parser p = new Parser( compilerEnv, cx.getErrorReporter( ) ); AstRoot root = p.parse( expression, null, 0 ); IRFactory ir = new IRFactory(compilerEnv ); ScriptNode script = ir.transformTree(root); return script; }
/** * parse the expression into a script tree * * @param expression * @param cx * @return */ private ScriptNode parse( String expression, Context cx ) { CompilerEnvirons compilerEnv = new CompilerEnvirons( ); Parser p = new Parser( compilerEnv, cx.getErrorReporter( ) ); AstRoot root = p.parse( expression, null, 0 ); IRFactory ir = new IRFactory(compilerEnv); return ir.transformTree(root); }
/** * * @param expr * @param objectName * @return */ public static Set<String> getReferencedMeasure( String expr ) { if ( expr == null ) return Collections.emptySet( ); try { Set<String> result = new LinkedHashSet<String>( ); Context cx = Context.enter( ); CompilerEnvirons ce = new CompilerEnvirons( ); Parser p = new Parser( ce, cx.getErrorReporter( ) ); AstRoot tree = p.parse( expr, null, 0 ); IRFactory ir = new IRFactory( ce ); ScriptNode script = ir.transformTree( tree ); getScriptObjectName( script, "measure", result ); //$NON-NLS-1$ return result; } catch( Exception e ) { return Collections.emptySet( ); } finally { Context.exit( ); } }
/** * * @param expr * @param bindings * @param onlyFromDirectReferenceExpr * @return * @throws DataException */ public static Set<IDimLevel> getReferencedDimLevel( String expr ) throws CoreException { if ( expr == null ) return new HashSet<IDimLevel>( ); try { Set<IDimLevel> result = new HashSet<IDimLevel>( ); Context cx = Context.enter( ); CompilerEnvirons ce = new CompilerEnvirons( ); Parser p = new Parser( ce, cx.getErrorReporter( ) ); AstRoot tree = p.parse( expr, null, 0 ); IRFactory ir = new IRFactory( ce ); ScriptNode script = ir.transformTree( tree ); populateDimLevels( null, script, result ); return result; } catch( Exception e ) { return Collections.emptySet( ); } finally { Context.exit( ); } }
/** * whether the expression is column reference * @param expression * @return */ public static boolean isColumnExpression( String expression, boolean mode ) { boolean isColumn = false; if ( expression == null || expression.trim( ).length( ) == 0 ) return isColumn; if ( getCompiledExpCacheMap( mode ).containsKey( expression ) ) { return ( (Boolean) getCompiledExpCacheMap( mode ).get( expression ) ).booleanValue( ); } Context context = Context.enter( ); ScriptNode tree; try { CompilerEnvirons m_compilerEnv = new CompilerEnvirons( ); m_compilerEnv.initFromContext( context ); Parser p = new Parser( m_compilerEnv, context.getErrorReporter( ) ); AstRoot root = p.parse( expression, null, 0 ); IRFactory ir = new IRFactory( m_compilerEnv ); tree = ir.transformTree( root ); } catch ( Exception e ) { getCompiledExpCacheMap( mode ).put( expression, Boolean.valueOf( false ) ); return false; } finally { Context.exit( ); } if ( tree.getFirstChild( ) == tree.getLastChild( ) ) { // A single expression if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT && tree.getFirstChild( ).getType( ) != Token.EXPR_VOID && tree.getFirstChild( ).getType( ) != Token.BLOCK ) { isColumn = false; } Node exprNode = tree.getFirstChild( ); Node child = exprNode.getFirstChild( ); assert ( child != null ); if ( child.getType( ) == Token.GETELEM || child.getType( ) == Token.GETPROP ) isColumn = getDirectColRefExpr( child, mode ); else isColumn = false; } else { isColumn = false; } getCompiledExpCacheMap( mode ).put( expression, Boolean.valueOf( isColumn ) ); return isColumn; }
/** * whether the expression is column reference * * @param expression * @return */ public static boolean isColumnExpression( String expression ) { boolean isColumn = false; if ( expression == null || expression.trim( ).length( ) == 0 ) return isColumn; if ( compiledExprCache.containsKey( expression ) ) return ( (Boolean) compiledExprCache.get( expression ) ).booleanValue( ); Context context = Context.enter( ); ScriptNode tree; try { CompilerEnvirons m_compilerEnv = new CompilerEnvirons( ); m_compilerEnv.initFromContext( context ); Parser p = new Parser( m_compilerEnv, context.getErrorReporter( ) ); AstRoot root = p.parse( expression, null, 0 ); IRFactory ir = new IRFactory( m_compilerEnv ); tree = ir.transformTree( root ); } catch ( Exception e ) { compiledExprCache.put( expression, Boolean.valueOf( false ) ); return false; } finally { Context.exit( ); } if ( tree.getFirstChild( ) == tree.getLastChild( ) ) { // A single expression if ( tree.getFirstChild( ).getType( ) != Token.EXPR_RESULT && tree.getFirstChild( ).getType( ) != Token.EXPR_VOID && tree.getFirstChild( ).getType( ) != Token.BLOCK ) { isColumn = false; } Node exprNode = tree.getFirstChild( ); Node child = exprNode.getFirstChild( ); assert ( child != null ); if ( child.getType( ) == Token.GETELEM || child.getType( ) == Token.GETPROP ) isColumn = getDirectColRefExpr( child ); else isColumn = false; } else { isColumn = false; } compiledExprCache.put( expression, Boolean.valueOf( isColumn ) ); return isColumn; }
