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Support sleep calls without parentheses #1461

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merged 1 commit into from
Sep 13, 2023
Merged

Support sleep calls without parentheses #1461

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15 changes: 14 additions & 1 deletion DMCompiler/Compiler/DM/DMParser.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -636,7 +636,20 @@ public DMASTFile File() {
if (expression != null) {
switch (expression) {
case DMASTIdentifier identifier:
Check(TokenType.DM_Colon);
// This could be a sleep without parentheses
if (!Check(TokenType.DM_Colon) && !leadingColon && identifier.Identifier == "sleep") {
var procIdentifier = new DMASTCallableProcIdentifier(expression.Location, "sleep");
var sleepTime = Expression();
if (sleepTime == null) // The argument is optional
sleepTime = new DMASTConstantNull(Location.Internal);

// TODO: Make sleep an opcode
expression = new DMASTProcCall(expression.Location, procIdentifier,
new[] { new DMASTCallParameter(sleepTime.Location, sleepTime) });
break;
}

// But it was a label
return Label(identifier);
case DMASTRightShift rightShift:
// A right shift on its own becomes a special "input" statement
Expand Down