[libclang] add CompilationDatabase support
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159484 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c
index 73e3e58..7f60925 100644
--- a/tools/c-index-test/c-index-test.c
+++ b/tools/c-index-test/c-index-test.c
@@ -1,6 +1,7 @@
/* c-index-test.c */
#include "clang-c/Index.h"
+#include "clang-c/CXCompilationDatabase.h"
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
@@ -25,8 +26,25 @@
return((char*)path);
}
+char *dirname(char* path)
+{
+ char* base1 = (char*)strrchr(path, '/');
+ char* base2 = (char*)strrchr(path, '\\');
+ if (base1 && base2)
+ if (base1 > base2)
+ *base1 = 0;
+ else
+ *base2 = 0;
+ else if (base1)
+ *base1 = 0
+ else if (base2)
+ *base2 = 0
+
+ return path;
+}
#else
extern char *basename(const char *);
+extern char *dirname(char *);
#endif
/** \brief Return the default parsing options. */
@@ -2361,6 +2379,89 @@
return errorCode;
}
+static int
+perform_test_compilation_db(const char *database, int argc, const char **argv) {
+ CXCompilationDatabase db;
+ CXCompileCommands CCmds;
+ CXCompileCommand CCmd;
+ CXCompilationDatabase_Error ec;
+ CXString wd;
+ CXString arg;
+ int errorCode = 0;
+ char *tmp;
+ unsigned len;
+ char *buildDir;
+ int i, j, a, numCmds, numArgs;
+
+ len = strlen(database);
+ tmp = (char *) malloc(len+1);
+ memcpy(tmp, database, len+1);
+ buildDir = dirname(tmp);
+
+ db = clang_tooling_CompilationDatabase_fromDirectory(buildDir, &ec);
+
+ if (db) {
+
+ if (ec!=CXCompilationDatabase_NoError) {
+ printf("unexpected error %d code while loading compilation database\n", ec);
+ errorCode = -1;
+ goto cdb_end;
+ }
+
+ for (i=0; i<argc && errorCode==0; ) {
+ if (strcmp(argv[i],"lookup")==0){
+ CCmds = clang_tooling_CompilationDatabase_getCompileCommands(db, argv[i+1]);
+
+ if (!CCmds) {
+ printf("file %s not found in compilation db\n", argv[i+1]);
+ errorCode = -1;
+ break;
+ }
+
+ numCmds = clang_tooling_CompileCommands_getSize(CCmds);
+
+ if (numCmds==0) {
+ fprintf(stderr, "should not get an empty compileCommand set for file"
+ " '%s'\n", argv[i+1]);
+ errorCode = -1;
+ break;
+ }
+
+ for (j=0; j<numCmds; ++j) {
+ CCmd = clang_tooling_CompileCommands_getCommand(CCmds, j);
+
+ wd = clang_tooling_CompileCommand_getDirectory(CCmd);
+ printf("workdir:'%s'", clang_getCString(wd));
+ clang_disposeString(wd);
+
+ printf(" cmdline:'");
+ numArgs = clang_tooling_CompileCommand_getNumArgs(CCmd);
+ for (a=0; a<numArgs; ++a) {
+ if (a) printf(" ");
+ arg = clang_tooling_CompileCommand_getArg(CCmd, a);
+ printf("%s", clang_getCString(arg));
+ clang_disposeString(arg);
+ }
+ printf("'\n");
+ }
+
+ clang_tooling_CompileCommands_dispose(CCmds);
+
+ i += 2;
+ }
+ }
+ clang_tooling_CompilationDatabase_dispose(db);
+ } else {
+ printf("database loading failed with error code %d.\n", ec);
+ errorCode = -1;
+ }
+
+cdb_end:
+ free(tmp);
+
+ return errorCode;
+}
+
/******************************************************************************/
/* USR printing. */
/******************************************************************************/
@@ -2801,6 +2902,8 @@
" c-index-test -print-usr-file <file>\n"
" c-index-test -write-pch <file> <compiler arguments>\n");
fprintf(stderr,
+ " c-index-test -compilation-db [lookup <filename>] database\n");
+ fprintf(stderr,
" c-index-test -read-diagnostics <file>\n\n");
fprintf(stderr,
" <symbol filter> values:\n%s",
@@ -2886,7 +2989,9 @@
return print_usrs_file(argv[2]);
else if (argc > 2 && strcmp(argv[1], "-write-pch") == 0)
return write_pch_file(argv[2], argc - 3, argv + 3);
-
+ else if (argc > 2 && strcmp(argv[1], "-compilation-db") == 0)
+ return perform_test_compilation_db(argv[argc-1], argc - 3, argv + 2);
+
print_usage();
return 1;
}