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Remove closure with statement labels #16

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Remove closure with statement labels #16

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14 changes: 0 additions & 14 deletions src/main/antlr/ScriptParser.g4
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Original file line number Diff line number Diff line change
Expand Up @@ -457,7 +457,6 @@ pathElement

// method call expression (with closure)
| closure #closurePathExprAlt
| closureWithLabels #closureWithLabelsPathExprAlt

// method call expression
| arguments #argumentsPathExprAlt
Expand Down Expand Up @@ -561,19 +560,6 @@ formalParameter
: DEF? type? ELLIPSIS? identifier (nls ASSIGN nls expression)?
;

closureWithLabels
: LBRACE (nls (formalParameterList nls)? ARROW)? nls blockStatementsWithLabels RBRACE
;

blockStatementsWithLabels
: statementOrLabeled (sep statementOrLabeled)* sep?
;

statementOrLabeled
: identifier COLON nls statement
| statement
;

// -- list expression
list
: LBRACK nls expressionList? COMMA? nls RBRACK
Expand Down
25 changes: 0 additions & 25 deletions src/main/groovy/nextflow/script/v2/ScriptAstBuilder.groovy
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Original file line number Diff line number Diff line change
Expand Up @@ -832,11 +832,6 @@ class ScriptAstBuilder {
return ast( pathClosureElement(expression, closure), expression, ctx )
}

if( ctx instanceof ClosureWithLabelsPathExprAltContext ) {
final closure = closureWithLabels(ctx.closureWithLabels())
return ast( pathClosureElement(expression, closure), expression, ctx )
}

if( ctx instanceof ArgumentsPathExprAltContext )
return ast( pathArgumentsElement(expression, ctx.arguments()), expression, ctx )

Expand Down Expand Up @@ -1137,26 +1132,6 @@ class ScriptAstBuilder {
ast( closureX(params, code), ctx )
}

private Expression closureWithLabels(ClosureWithLabelsContext ctx) {
final params = parameters(ctx.formalParameterList())
final code = blockStatementsWithLabels(ctx.blockStatementsWithLabels())
ast( closureX(params, code), ctx )
}

private BlockStatement blockStatementsWithLabels(BlockStatementsWithLabelsContext ctx) {
final statements = ctx.statementOrLabeled().collect( this.&statementOrLabeled )
ast( block(new VariableScope(), statements), ctx )
}

private Statement statementOrLabeled(StatementOrLabeledContext ctx) {
final result = statement(ctx.statement())
if( ctx.identifier() ) {
final label = identifier(ctx.identifier())
result.addStatementLabel(label)
}
return result
}

private Expression list(ListContext ctx) {
if( ctx.COMMA() && !ctx.expressionList() )
throw createParsingFailedException("Empty list literal should not contain any comma(,)", ctx.COMMA())
Expand Down