Forbid default inline/crossinline suspend parameters

2018-02-20 14:05:03 +03:00
parent 7224b99928
commit 6b7173ba13
4 changed files with 36 additions and 0 deletions
@@ -18,6 +18,8 @@ package org.jetbrains.kotlin.resolve.inline

 import org.jetbrains.kotlin.config.LanguageFeature
 import org.jetbrains.kotlin.config.LanguageVersionSettings
+import org.jetbrains.kotlin.coroutines.hasSuspendFunctionType
+import org.jetbrains.kotlin.coroutines.isSuspendLambda
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.annotations.isInlineOnlyOrReifiable
 import org.jetbrains.kotlin.diagnostics.Errors
@@ -109,6 +111,18 @@ class InlineAnalyzerExtension(
                        checkDefaultValue(trace, parameter, ktParameter)
                    }
                }
+                // Report unsupported error on inline/crossinline suspend lambdas with default values.
+                if (functionDescriptor.isSuspend &&
+                    InlineUtil.isInlineParameterExceptNullability(parameter) &&
+                    parameter.hasSuspendFunctionType
+                ) {
+                    trace.report(
+                        Errors.NOT_YET_SUPPORTED_IN_INLINE.on(
+                            ktParameter,
+                            "Suspend functional parameters with default values"
+                        )
+                    )
+                }
            }
        }
    }