2f1ef1d183
This adds a new filtering option to be used along with the -header-include-format=json option. The existing "only-direct-system" filtering option is missing some things: - It does not show module imports. - It does not show includes of non-system headers. This new "direct-per-file" filtering has a separate entry in the JSON output for each non-system source file, showing the direct includes and imports from that file. You can use this to see uses of non-system headers, and also find the paths through non-system headers that lead up to module imports and system headers. Modules are identified here by their modulemap files.
34 lines
3.8 KiB
C
34 lines
3.8 KiB
C
// RUN: %clang_cc1 -E -header-include-format=json -header-include-filtering=only-direct-system -header-include-file %t.txt -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s
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// RUN: cat %t.txt | FileCheck %s --check-prefix=SUPPORTED
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// RUN: not %clang_cc1 -E -header-include-format=textual -header-include-filtering=only-direct-system -header-include-file %t.txt -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED0
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// RUN: not %clang_cc1 -E -header-include-format=json -header-include-filtering=none -header-include-file %t.txt -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED1
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// RUN: env CC_PRINT_HEADERS_FORMAT=textual CC_PRINT_HEADERS_FILTERING=only-direct-system CC_PRINT_HEADERS_FILE=%t.txt not %clang -fsyntax-only -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED2
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// RUN: env CC_PRINT_HEADERS_FORMAT=json CC_PRINT_HEADERS_FILTERING=none CC_PRINT_HEADERS_FILE=%t.txt not %clang -fsyntax-only -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED3
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// RUN: env CC_PRINT_HEADERS_FORMAT=json CC_PRINT_HEADERS_FILE=%t.txt not %clang -fsyntax-only -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED4
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// RUN: not %clang_cc1 -E -header-include-filtering=only-direct-system -header-include-file %t.txt -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED5
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// RUN: not %clang_cc1 -E -header-include-format=json -header-include-file %t.txt -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED6
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// RUN: rm %t.txt
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// RUN: env CC_PRINT_HEADERS_FORMAT=json CC_PRINT_HEADERS_FILTERING=only-direct-system CC_PRINT_HEADERS_FILE=%t.txt %clang -fsyntax-only -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s -o /dev/null
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// RUN: cat %t.txt | FileCheck %s --check-prefix=SUPPORTED
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// RUN: rm %t.txt
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// RUN: env CC_PRINT_HEADERS_FORMAT=json CC_PRINT_HEADERS_FILTERING=direct-per-file CC_PRINT_HEADERS_FILE=%t.txt %clang -fsyntax-only -I %S/Inputs/print-header-json -isystem %S/Inputs/print-header-json/system %s -o /dev/null
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// RUN: cat %t.txt | FileCheck %s --check-prefix=SUPPORTED_PERFILE
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#include "system0.h"
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#include "header0.h"
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#include "system2.h"
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// SUPPORTED: {"source":"{{[^,]*}}print-header-json.c","includes":["{{[^,]*}}system0.h","{{[^,]*}}system3.h","{{[^,]*}}system2.h"]}
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// SUPPORTED_PERFILE: [{"source":"{{[^,]*}}print-header-json.c","includes":["{{[^,]*}}system0.h","{{[^,]*}}header0.h","{{[^,]*}}system2.h"]},{"source":"{{[^,]*}}header0.h","includes":["{{[^,]*}}system3.h","{{[^,]*}}header1.h","{{[^,]*}}header2.h"]}]
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// UNSUPPORTED0: error: unsupported combination: -header-include-format=textual and -header-include-filtering=only-direct-system
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// UNSUPPORTED1: error: unsupported combination: -header-include-format=json and -header-include-filtering=none
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// UNSUPPORTED2: error: unsupported combination: CC_PRINT_HEADERS_FORMAT=textual and CC_PRINT_HEADERS_FILTERING=only-direct-system
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// UNSUPPORTED3: error: unsupported combination: CC_PRINT_HEADERS_FORMAT=json and CC_PRINT_HEADERS_FILTERING=none
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// UNSUPPORTED4: error: environment variable CC_PRINT_HEADERS_FORMAT=json requires a compatible value for CC_PRINT_HEADERS_FILTERING
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// UNSUPPORTED5: error: -header-include-filtering=only-direct-system requires a compatible value for -header-include-format
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// UNSUPPORTED6: error: -header-include-format=json requires a compatible value for -header-include-filtering
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