[jira] [Updated] (VELOCITY-944) Macros in string literals are not resolved when local_scope is enabled

["Jakub Isakow (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/VELOCITY-944?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jakub Isakow updated VELOCITY-944:
----------------------------------
    Priority: Critical  (was: Major)

> Macros in string literals are not resolved when local_scope is enabled
> ----------------------------------------------------------------------
>
>                 Key: VELOCITY-944
>                 URL: https://issues.apache.org/jira/browse/VELOCITY-944
>             Project: Velocity
>          Issue Type: Bug
>          Components: Engine
>    Affects Versions: 2.0, 2.1, 2.2, 2.3
>            Reporter: Jakub Isakow
>            Priority: Critical
>
> When local scope is enabled with 
> {noformat}
> velocimacro.inline.local_scope=true
> {noformat}
> a template that is using a macro in string literal is not working correctly.
> Example template:
> {code}
> #macro( m $v )
> <span>$v</span>
> #end
> #set($v = "#m('bar')")
> $v
> #m( 'foo' )
> {code}
> Actual result:
> {code}
> #m('bar')
> <span>foo</span>
> {code}
> Expected result:
> {code}
> <span>bar</span>
> <span>foo</span>
> {code}
> The example template is working correctly for velocity 1.7. 
> After debugging a bit I think the problem might be caused by creating a new Template instance in [org.apache.velocity.runtime.parser.node.ASTStringLiteral#init|https://github.com/apache/velocity-engine/blob/2.3/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/ASTStringLiteral.java#L145-L149]. Because of that, when macro is being resolved, there is no macro instance available in local scope (template instance) and it is rendered as string. Locally I was able to make it work by using {{this.template}} when {{context.getCurrentResource()}} returns {{null}}. 



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