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Claude Brisson edited comment on VELOCITY-874 at 5/9/16 8:18 AM: ----------------------------------------------------------------- Duplicate of https://issues.apache.org/jira/browse/VELOCITY-542 was (Author: claude): Duplicate of https://issues.apache.org/jira/browse/VELOCITY-873 > Subtraction doesn't work as expected > ------------------------------------ > > Key: VELOCITY-874 > URL: https://issues.apache.org/jira/browse/VELOCITY-874 > Project: Velocity > Issue Type: Bug > Environment: VTL in user macro in Atlassian Confluence 5.9.4 > Reporter: Alexander Rosenberg > > This works as expected: > {noformat} > ## @noparams > #set ($n = 5) > #set ($m = $n+1) > <p>$m</p> > {noformat} > Output: {{<p>6</p>}} > However, subtraction doesn't work: > {noformat} > ## @noparams > #set ($n = 5) > #set ($m = $n-1) > <p>$m</p> > {noformat} > Output: {{<p>$m</p>}} > From [SO Q&A > #15448108|http://stackoverflow.com/questions/15448108/subtraction-is-not-working-with-velocity-template], > it appears that this behavior is due to the parser treating the > hyphen/dash/minus-sign as part of the identifier, but certainly an exception > should be made for when the "identifier" ends with only digits and/or hyphens. > Another case: > {noformat} > ## @noparams > #set ($n = 5) > #set ($m = $n- 1) > <p>$m</p> > {noformat} > In this case we get an all too familiar {{ParseErrorException}}: > {noformat} > org.apache.velocity.exception.ParseErrorException: Encountered "1" at > getRenderedContent[line 4, column 16] > Was expecting one of: > <RPAREN> ... > "-" ... > "+" ... > "*" ... > "/" ... > "%" ... > <LOGICAL_AND> ... > <LOGICAL_OR> ... > <LOGICAL_LT> ... > <LOGICAL_LE> ... > <LOGICAL_GT> ... > <LOGICAL_GE> ... > <LOGICAL_EQUALS> ... > <LOGICAL_NOT_EQUALS> ... > at > org.apache.velocity.runtime.RuntimeInstance.evaluate(RuntimeInstance.java:1202) > at > org.apache.velocity.runtime.RuntimeInstance.evaluate(RuntimeInstance.java:1164) > at > org.apache.velocity.app.VelocityEngine.evaluate(VelocityEngine.java:219) > at > com.atlassian.confluence.util.velocity.VelocityUtils.writeRenderedContent(VelocityUtils.java:148) > at > com.atlassian.confluence.util.velocity.VelocityUtils.getRenderedContent(VelocityUtils.java:130) > at > com.atlassian.confluence.util.velocity.VelocityUtils.getRenderedContent(VelocityUtils.java:117) > at > com.atlassian.confluence.util.velocity.VelocityUtils.getRenderedContent(VelocityUtils.java:113) > at > com.atlassian.confluence.macro.GenericVelocityMacro.execute(GenericVelocityMacro.java:101) > ~~~snipped~~~ > {noformat} > This bug is related to (or possibly the same as) [bug > 873|http://issues.apache.org/jira/browse/VELOCITY-873]. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@velocity.apache.org For additional commands, e-mail: dev-h...@velocity.apache.org