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90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
//===-- diagnostic.cpp - tool for testing libLLVM and llvm-c API ----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the --test-diagnostic-handler command in llvm-c-test.
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//
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// This command uses the C API to read a module with a custom diagnostic
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// handler set to test the diagnostic handler functionality.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm-c-test.h"
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#include "llvm-c/BitReader.h"
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#include "llvm-c/Core.h"
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#include <stdio.h>
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static void diagnosticHandler(LLVMDiagnosticInfoRef DI, void *C) {
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fprintf(stderr, "Executing diagnostic handler\n");
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fprintf(stderr, "Diagnostic severity is of type ");
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switch (LLVMGetDiagInfoSeverity(DI)) {
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case LLVMDSError:
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fprintf(stderr, "error");
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break;
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case LLVMDSWarning:
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fprintf(stderr, "warning");
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break;
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case LLVMDSRemark:
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fprintf(stderr, "remark");
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break;
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case LLVMDSNote:
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fprintf(stderr, "note");
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break;
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}
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fprintf(stderr, "\n");
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(*(int *)C) = 1;
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}
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static int handlerCalled = 0;
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int llvm_test_diagnostic_handler(void) {
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LLVMContextRef C = LLVMGetGlobalContext();
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LLVMContextSetDiagnosticHandler(C, diagnosticHandler, &handlerCalled);
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if (LLVMContextGetDiagnosticHandler(C) != diagnosticHandler) {
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fprintf(stderr, "LLVMContext{Set,Get}DiagnosticHandler failed\n");
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return 1;
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}
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int *DC = (int *)LLVMContextGetDiagnosticContext(C);
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if (DC != &handlerCalled || *DC) {
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fprintf(stderr, "LLVMContextGetDiagnosticContext failed\n");
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return 1;
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}
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LLVMMemoryBufferRef MB;
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char *msg = NULL;
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if (LLVMCreateMemoryBufferWithSTDIN(&MB, &msg)) {
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fprintf(stderr, "Error reading file: %s\n", msg);
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LLVMDisposeMessage(msg);
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return 1;
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}
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LLVMModuleRef M;
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int Ret = LLVMGetBitcodeModule2(MB, &M);
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if (Ret) {
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// We do not return if the bitcode was invalid, as we want to test whether
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// the diagnostic handler was executed.
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fprintf(stderr, "Error parsing bitcode: %s\n", msg);
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}
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LLVMDisposeMemoryBuffer(MB);
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if (handlerCalled) {
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fprintf(stderr, "Diagnostic handler was called while loading module\n");
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} else {
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fprintf(stderr, "Diagnostic handler was not called while loading module\n");
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}
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return 0;
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}
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