Files
swift-mirror/test/Macros/macro_plugin_error.swift
2023-05-04 14:40:28 -07:00

69 lines
3.3 KiB
Swift

// REQUIRES: swift_swift_parser
// RUN: %empty-directory(%t)
// RUN: split-file %s %t
// RUN: %clang \
// RUN: -isysroot %host_sdk \
// RUN: -I %swift_src_root/include \
// RUN: -L %swift-lib-dir -l_swiftMockPlugin \
// RUN: -Wl,-rpath,%swift-lib-dir \
// RUN: -o %t/mock-plugin \
// RUN: %t/plugin.c
// RUN: SWIFT_DUMP_PLUGIN_MESSAGING=1 %swift-target-frontend \
// RUN: -typecheck -verify \
// RUN: -swift-version 5 -enable-experimental-feature Macros \
// RUN: -load-plugin-executable %t/mock-plugin#TestPlugin \
// RUN: -module-name MyApp \
// RUN: %t/test.swift \
// RUN: 2>&1 | tee %t/macro-expansions.txt
// RUN: %FileCheck -strict-whitespace %s < %t/macro-expansions.txt
// CHECK: ->(plugin:[[#PID1:]]) {"getCapability":{}}
// CHECK-NEXT: <-(plugin:[[#PID1]]) {"getCapabilityResult":{"capability":{"protocolVersion":1}}}
// CHECK-NEXT: ->(plugin:[[#PID1]]) {"expandFreestandingMacro":{"discriminator":"$s{{.+}}","macro":{"moduleName":"TestPlugin","name":"fooMacro","typeName":"FooMacro"},"syntax":{"kind":"expression","location":{"column":19,"fileID":"MyApp/test.swift","fileName":"BUILD_DIR{{.+}}test.swift","line":6,"offset":[[#]]},"source":"#fooMacro(1)"}}}
// CHECK-NEXT: <-(plugin:[[#PID1]]) {"invalidResponse":{}}
// CHECK-NEXT: ->(plugin:[[#PID1]]) {"expandFreestandingMacro":{"discriminator":"$s{{.+}}","macro":{"moduleName":"TestPlugin","name":"fooMacro","typeName":"FooMacro"},"syntax":{"kind":"expression","location":{"column":19,"fileID":"MyApp/test.swift","fileName":"BUILD_DIR{{.+}}test.swift","line":8,"offset":[[#]]},"source":"#fooMacro(2)"}}}
// ^ This messages causes the mock plugin exit because there's no matching expected message.
// CHECK: ->(plugin:[[#PID2:]]) {"expandFreestandingMacro":{"discriminator":"$s{{.+}}","macro":{"moduleName":"TestPlugin","name":"fooMacro","typeName":"FooMacro"},"syntax":{"kind":"expression","location":{"column":19,"fileID":"MyApp/test.swift","fileName":"BUILD_DIR{{.+}}test.swift","line":10,"offset":[[#]]},"source":"#fooMacro(3)"}}}
// CHECK-NEXT: <-(plugin:[[#PID2:]]) {"expandFreestandingMacroResult":{"diagnostics":[],"expandedSource":"3.description"}}
//--- test.swift
@freestanding(expression) macro fooMacro(_: Any) -> String = #externalMacro(module: "TestPlugin", type: "FooMacro")
func test() {
// FIXME: Should be more user friendly message.
let _: String = #fooMacro(1)
// expected-error @-1 {{typeMismatch(swiftASTGen.PluginToHostMessage}}
let _: String = #fooMacro(2)
// expected-error @-1 {{failed to receive result from plugin (from macro 'fooMacro')}}
let _: String = #fooMacro(3)
// ^ This should succeed.
}
//--- plugin.c
#include "swift-c/MockPlugin/MockPlugin.h"
MOCK_PLUGIN([
{
"expect": {"getCapability": {}},
"response": {"getCapabilityResult": {"capability": {"protocolVersion": 1}}}
},
{
"expect": {"expandFreestandingMacro": {
"macro": {"moduleName": "TestPlugin", "typeName": "FooMacro"},
"syntax": {"kind": "expression", "source": "#fooMacro(1)"}}},
"response": {"invalidResponse": {}}
},
{
"expect": {"expandFreestandingMacro": {
"macro": {"moduleName": "TestPlugin", "typeName": "FooMacro"},
"syntax": {"kind": "expression", "source": "#fooMacro(3)"}}},
"response": {"expandFreestandingMacroResult": {"expandedSource": "3.description", "diagnostics": []}}
}
])