Examples of JStatement

com.google.gwt.dev.jjs.ast.JStatement
Java program statement.
com.sun.codemodel.JStatement
Common interface for code components that can generate uses of themselves as statements.

Examples of com.google.gwt.dev.jjs.ast.JStatement

      /*
       * Remove any dead statements after an abrupt change in code flow and
       * promote safe statements within nested blocks to this block.
       */
      for (int i = 0; i < x.getStatements().size(); i++) {
        JStatement stmt = x.getStatements().get(i);


        if (stmt instanceof JBlock) {
          /*
           * Promote a sub-block's children to the current block, unless the
           * sub-block contains local declarations as children.
           */
          JBlock block = (JBlock) stmt;
          if (canPromoteBlock(block)) {
            x.removeStmt(i);
            x.addStmts(i, block.getStatements());
            i--;
            didChange = true;
            continue;
          }
        }


        if (stmt instanceof JExpressionStatement) {
          JExpressionStatement stmtExpr = (JExpressionStatement) stmt;
          if (stmtExpr.getExpr() instanceof JMultiExpression) {
            // Promote a multi's expressions to the current block
            x.removeStmt(i);
            int start = i;
            JMultiExpression multi = ((JMultiExpression) stmtExpr.getExpr());
            for (JExpression expr : multi.exprs) {
              x.addStmt(i++, expr.makeStatement());
            }
            i = start - 1;
            continue;
          }
        }


        if (stmt.unconditionalControlBreak()) {
          // Abrupt change in flow, chop the remaining items from this block
          for (int j = i + 1; j < x.getStatements().size();) {
            x.removeStmt(j);
            didChange = true;
          }

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Examples of com.google.gwt.dev.jjs.ast.JStatement

    /**
     * Simplify if statements.
     */
    @Override
    public void endVisit(JIfStatement x, Context ctx) {
      JStatement updated = simplifier.ifStatement(x, x.getSourceInfo(),
          x.getIfExpr(), x.getThenStmt(), x.getElseStmt());
      if (updated != x) {
        ctx.replaceMe(updated);
      }
    }

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Examples of com.google.gwt.dev.jjs.ast.JStatement

     */
    private void removeDoubleBreaks(JSwitchStatement x) {
      JBlock body = x.getBody();
      boolean lastWasBreak = true;
      for (int i = 0; i < body.getStatements().size(); ++i) {
        JStatement statement = body.getStatements().get(i);
        boolean isBreak = isUnconditionalBreak(statement);
        if (isBreak && lastWasBreak) {
          body.removeStmt(i--);
          didChange = true;
        }

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Examples of com.google.gwt.dev.jjs.ast.JStatement

         * 
         * becomes if (i == 1) { a(); b(); } else { c(); d(); }
         */
        JCaseStatement caseStatement = (JCaseStatement) body.getStatements().get(
            0);
        JStatement statement = body.getStatements().get(1);


        FindBreakContinueStatementsVisitor visitor = new FindBreakContinueStatementsVisitor();
        visitor.accept(statement);
        if (visitor.hasBreakContinueStatements()) {
          // Cannot optimize.

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Examples of com.google.gwt.dev.jjs.ast.JStatement


    /**
     * Process an Statement type node reflectively; must return a JStatement.
     */
    protected JStatement dispProcessStatement(Statement x) {
      JStatement stmt;
      if (x instanceof Expression) {
        JExpression expr = dispProcessExpression((Expression) x);
        if (expr == null) {
          return null;
        }

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Examples of com.google.gwt.dev.jjs.ast.JStatement

    List<JExpressionStatement> processExpressionStatements(
        Statement[] statements) {
      List<JExpressionStatement> jstatements = new ArrayList<JExpressionStatement>();
      if (statements != null) {
        for (int i = 0, n = statements.length; i < n; ++i) {
          JStatement jstmt = dispProcessStatement(statements[i]);
          if (jstmt != null) {
            jstatements.add((JExpressionStatement) jstmt);
          }
        }
      }

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Examples of com.google.gwt.dev.jjs.ast.JStatement

        }


        if (initializer != null) {
          SourceInfo info = makeSourceInfo(declaration);
          // JDeclarationStatement's ctor sets up the field's initializer.
          JStatement decl = new JDeclarationStatement(info, createVariableRef(
              info, field), initializer);
          // will either be init or clinit
          currentMethodBody.getBlock().addStmt(decl);
        }
      } catch (Throwable e) {

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Examples of com.google.gwt.dev.jjs.ast.JStatement

    }


    JStatement processStatement(DoStatement x) {
      SourceInfo info = makeSourceInfo(x);
      JExpression loopTest = dispProcessExpression(x.condition);
      JStatement loopBody = dispProcessStatement(x.action);
      JDoStatement stmt = new JDoStatement(info, loopTest, loopBody);
      return stmt;
    }

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Examples of com.google.gwt.dev.jjs.ast.JStatement


    JStatement processStatement(ForeachStatement x) {
      SourceInfo info = makeSourceInfo(x);


      JBlock body;
      JStatement action = dispProcessStatement(x.action);
      if (action instanceof JBlock) {
        body = (JBlock) action;
      } else {
        body = new JBlock(info);
        body.addStmt(action);

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Examples of com.google.gwt.dev.jjs.ast.JStatement

      boolean removeBody = isOptimizedFalse(x.condition);


      List<JStatement> init = processStatements(x.initializations);
      JExpression expr = dispProcessExpression(x.condition);
      List<JExpressionStatement> incr = processExpressionStatements(x.increments);
      JStatement body = removeBody ? null : dispProcessStatement(x.action);
      return new JForStatement(info, init, expr, incr, body);
    }

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