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swift-mirror/test/CAS/module_deps_clang_extras.swift
Daniel Rodríguez Troitiño 70376a15f0 [ScanDependencies] Fix JSON generation under certain circunstances. (#67246)
The code of `ScanDependencies.cpp` was creating invalid JSON since #66031
because in the case of having `extraPcmArgs` and `swiftOverlayDependencies`,
but not `bridgingHeader`, a comma will not be added at the end of
`extraPcmArgs`, creating an invalid JSON file. Additionally that same PR
added a trailing comma at the end of the `swiftOverlayDependencies`, which
valid JSON does not allow, but that bug was removed in #66366.

Both problems are, however, present in the 5.9 branch, because #66936
included #66031, but not #66366.

Besides fixing the problem in `ScanDependencies.cpp` I modified every test
that uses `--scan-dependencies` to pass the produced JSON through
Python's `json.tool` in order to validate proper JSON is produced. In
most cases I was able to pipe the output of the tool into `FileCheck`,
but in some cases the validation is done by itself because the checks
depend on the exact format generated by `--scan-dependencies`. In
a couple of tests I added a call to `FileCheck` that seemed to be
missing.

Without these changes, two tests seems to be generating invalid JSON in
my machine:

- `ScanDependencies/local_cache_consistency.swift` (which outputs `Expecting ',' delimiter: line 525 column 11 (char 22799)`)
- `ScanDependencies/placholder_overlay_deps.swift`
2023-07-12 14:19:20 -07:00

50 lines
1.4 KiB
Swift

// REQUIRES: objc_interop
// RUN: %empty-directory(%t)
// RUN: mkdir -p %t/clang-module-cache
// RUN: mkdir -p %t/cas
// RUN: split-file %s %t
// RUN: %hmaptool write %t/hmap.json %t/empty.hmap
// RUN: %target-swift-frontend -scan-dependencies -module-cache-path %t/clang-module-cache \
// RUN: %t/Test.swift -o %t/deps.json -cache-compile-job -cas-path %t/cas -clang-include-tree \
// RUN: -Xcc -fmodule-map-file=%t/module.modulemap -Xcc -ivfsoverlay -Xcc %t/empty.yaml \
// RUN: -Xcc -I%t/empty.hmap
// RUN: %validate-json %t/deps.json &>/dev/null
// RUN: %S/Inputs/SwiftDepsExtractor.py %t/deps.json deps casFSRootID > %t/fs.casid
// RUN: llvm-cas --cas %t/cas --ls-tree-recursive @%t/fs.casid | %FileCheck %s -DDIR=%basename_t -check-prefix FS_ROOT
// RUN: %S/Inputs/SwiftDepsExtractor.py %t/deps.json clang:Dummy clangIncludeTree > %t/tree.casid
// RUN: clang-cas-test --cas %t/cas --print-include-tree @%t/tree.casid | %FileCheck %s -DDIR=%basename_t -check-prefix INCLUDE_TREE
// FS_ROOT: [[DIR]].tmp/empty.hmap
// FS_ROOT: [[DIR]].tmp/empty.yaml
// INCLUDE_TREE: [[DIR]].tmp/Dummy.h
//--- Test.swift
import Dummy
func test() {}
//--- module.modulemap
module Dummy {
umbrella header "Dummy.h"
}
//--- Dummy.h
void dummy(void);
//--- hmap.json
{
"mappings": {}
}
//--- empty.yaml
{
"version": 0,
"case-sensitive": "false",
"use-external-names": true,
"roots": []
}