Package com.google.gwt.dev.js.ast

Examples of com.google.gwt.dev.js.ast.JsExpression.makeStmt()

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  private JsExprStmt mapExprStmt(Node node) throws JsParserException {
    pushSourceInfo(makeSourceInfo(node));
    JsExpression expr = mapExpression(node.getFirstChild());
    popSourceInfo();
    return expr.makeStmt();
  }

  private JsStatement mapForStatement(Node forNode) throws JsParserException {
    Node fromInit = forNode.getFirstChild();
    Node fromTest = fromInit.getNext();
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       * We know the return value from the original invocation was ignored, so
       * it may be possible to ignore the final expressions as long as it has no
       * side-effects.
       */
      if (e.hasSideEffects()) {
        statements.add(0, e.makeStmt());
      }

      if (statements.size() == 0) {
        // The expression contained no side effects at all.
        if (ctx.canRemove()) {
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          visitor.accept(x.getBody());
          if (!visitor.hasBreakContinueStatements()) {
            JsBlock block = new JsBlock(makeSourceInfo(x,
                "Simplified always-false condition"));
            block.getStatements().add(x.getBody());
            block.getStatements().add(expr.makeStmt());
            ctx.replaceMe(accept(block));
          }
        }
      }
    }
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            block.getStatements().add(x.getInitExpr().makeStmt());
          }
          if (x.getInitVars() != null) {
            block.getStatements().add(x.getInitVars());
          }
          block.getStatements().add(expr.makeStmt());
          JsStatement decls = ensureDeclarations(x.getBody());
          if (decls != null) {
            block.getStatements().add(decls);
          }
          ctx.replaceMe(accept(block));
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        // If false, replace with condition.
        if (cond.isBooleanFalse()) {
          JsBlock block = new JsBlock(makeSourceInfo(x,
              "Simplified always-false condition"));
          block.getStatements().add(expr.makeStmt());
          JsStatement decls = ensureDeclarations(x.getBody());
          if (decls != null) {
            block.getStatements().add(decls);
          }
          ctx.replaceMe(accept(block));
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        // earlyExit && pop()
        op = new JsBinaryOperation(info, JsBinaryOperator.AND, earlyExitRef(x),
            op);
      }

      x.getStatements().add(op.makeStmt());
    }

    /**
     * Generate a name reference to the early-exit variable for a given block,
     * possibly allocating a new variable.
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      if (ctx.canInsert()) {
        if (expr != null) {
          ctx.insertBefore(expr.makeStmt());
        }
        ctx.insertBefore(op.makeStmt());
      } else {
        JsBlock block = new JsBlock(info);
        if (expr != null) {
          block.getStatements().add(expr.makeStmt());
        }
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      } else {
        JsBlock block = new JsBlock(info);
        if (expr != null) {
          block.getStatements().add(expr.makeStmt());
        }
        block.getStatements().add(op.makeStmt());
        block.getStatements().add(x);
        ctx.replaceMe(block);
      }
    }
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    }

    @Override
    public void endVisit(JExpressionStatement x, Context ctx) {
      JsExpression expr = (JsExpression) pop(); // expr
      push(expr.makeStmt());
    }

    @Override
    public void endVisit(JField x, Context ctx) {
      // if we need an initial value, create an assignment
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      params.add(new JsParameter(sourceInfo, modName));
      params.add(new JsParameter(sourceInfo, modBase));
      JsExpression asg = createAssignment(
          topScope.findExistingUnobfuscatableName("$moduleName").makeRef(
              sourceInfo), modName.makeRef(sourceInfo));
      body.getStatements().add(asg.makeStmt());
      asg = createAssignment(topScope.findExistingUnobfuscatableName(
          "$moduleBase").makeRef(sourceInfo), modBase.makeRef(sourceInfo));
      body.getStatements().add(asg.makeStmt());
      JsIf jsIf = new JsIf(sourceInfo);
      body.getStatements().add(jsIf);
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