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c-index-test.c
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c-index-test.c
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/* c-index-test.c */
#include "clang-c/Index.h"
#include "clang-c/CXCompilationDatabase.h"
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
/******************************************************************************/
/* Utility functions. */
/******************************************************************************/
#ifdef _MSC_VER
char *basename(const char* path)
{
char* base1 = (char*)strrchr(path, '/');
char* base2 = (char*)strrchr(path, '\\');
if (base1 && base2)
return((base1 > base2) ? base1 + 1 : base2 + 1);
else if (base1)
return(base1 + 1);
else if (base2)
return(base2 + 1);
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. */
static unsigned getDefaultParsingOptions() {
unsigned options = CXTranslationUnit_DetailedPreprocessingRecord;
if (getenv("CINDEXTEST_EDITING"))
options |= clang_defaultEditingTranslationUnitOptions();
if (getenv("CINDEXTEST_COMPLETION_CACHING"))
options |= CXTranslationUnit_CacheCompletionResults;
if (getenv("CINDEXTEST_COMPLETION_NO_CACHING"))
options &= ~CXTranslationUnit_CacheCompletionResults;
if (getenv("CINDEXTEST_SKIP_FUNCTION_BODIES"))
options |= CXTranslationUnit_SkipFunctionBodies;
if (getenv("CINDEXTEST_COMPLETION_BRIEF_COMMENTS"))
options |= CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
return options;
}
static int checkForErrors(CXTranslationUnit TU);
static void PrintExtent(FILE *out, unsigned begin_line, unsigned begin_column,
unsigned end_line, unsigned end_column) {
fprintf(out, "[%d:%d - %d:%d]", begin_line, begin_column,
end_line, end_column);
}
static unsigned CreateTranslationUnit(CXIndex Idx, const char *file,
CXTranslationUnit *TU) {
*TU = clang_createTranslationUnit(Idx, file);
if (!*TU) {
fprintf(stderr, "Unable to load translation unit from '%s'!\n", file);
return 0;
}
return 1;
}
void free_remapped_files(struct CXUnsavedFile *unsaved_files,
int num_unsaved_files) {
int i;
for (i = 0; i != num_unsaved_files; ++i) {
free((char *)unsaved_files[i].Filename);
free((char *)unsaved_files[i].Contents);
}
free(unsaved_files);
}
int parse_remapped_files(int argc, const char **argv, int start_arg,
struct CXUnsavedFile **unsaved_files,
int *num_unsaved_files) {
int i;
int arg;
int prefix_len = strlen("-remap-file=");
*unsaved_files = 0;
*num_unsaved_files = 0;
/* Count the number of remapped files. */
for (arg = start_arg; arg < argc; ++arg) {
if (strncmp(argv[arg], "-remap-file=", prefix_len))
break;
++*num_unsaved_files;
}
if (*num_unsaved_files == 0)
return 0;
*unsaved_files
= (struct CXUnsavedFile *)malloc(sizeof(struct CXUnsavedFile) *
*num_unsaved_files);
for (arg = start_arg, i = 0; i != *num_unsaved_files; ++i, ++arg) {
struct CXUnsavedFile *unsaved = *unsaved_files + i;
const char *arg_string = argv[arg] + prefix_len;
int filename_len;
char *filename;
char *contents;
FILE *to_file;
const char *semi = strchr(arg_string, ';');
if (!semi) {
fprintf(stderr,
"error: -remap-file=from;to argument is missing semicolon\n");
free_remapped_files(*unsaved_files, i);
*unsaved_files = 0;
*num_unsaved_files = 0;
return -1;
}
/* Open the file that we're remapping to. */
to_file = fopen(semi + 1, "rb");
if (!to_file) {
fprintf(stderr, "error: cannot open file %s that we are remapping to\n",
semi + 1);
free_remapped_files(*unsaved_files, i);
*unsaved_files = 0;
*num_unsaved_files = 0;
return -1;
}
/* Determine the length of the file we're remapping to. */
fseek(to_file, 0, SEEK_END);
unsaved->Length = ftell(to_file);
fseek(to_file, 0, SEEK_SET);
/* Read the contents of the file we're remapping to. */
contents = (char *)malloc(unsaved->Length + 1);
if (fread(contents, 1, unsaved->Length, to_file) != unsaved->Length) {
fprintf(stderr, "error: unexpected %s reading 'to' file %s\n",
(feof(to_file) ? "EOF" : "error"), semi + 1);
fclose(to_file);
free_remapped_files(*unsaved_files, i);
*unsaved_files = 0;
*num_unsaved_files = 0;
return -1;
}
contents[unsaved->Length] = 0;
unsaved->Contents = contents;
/* Close the file. */
fclose(to_file);
/* Copy the file name that we're remapping from. */
filename_len = semi - arg_string;
filename = (char *)malloc(filename_len + 1);
memcpy(filename, arg_string, filename_len);
filename[filename_len] = 0;
unsaved->Filename = filename;
}
return 0;
}
/******************************************************************************/
/* Pretty-printing. */
/******************************************************************************/
static void PrintCString(const char *Prefix, const char *CStr) {
printf(" %s=[", Prefix);
if (CStr != NULL && CStr[0] != '\0') {
for ( ; *CStr; ++CStr) {
const char C = *CStr;
switch (C) {
case '\n': printf("\\n"); break;
case '\r': printf("\\r"); break;
case '\t': printf("\\t"); break;
case '\v': printf("\\v"); break;
case '\f': printf("\\f"); break;
default: putchar(C); break;
}
}
}
printf("]");
}
static void PrintRange(CXSourceRange R, const char *str) {
CXFile begin_file, end_file;
unsigned begin_line, begin_column, end_line, end_column;
clang_getSpellingLocation(clang_getRangeStart(R),
&begin_file, &begin_line, &begin_column, 0);
clang_getSpellingLocation(clang_getRangeEnd(R),
&end_file, &end_line, &end_column, 0);
if (!begin_file || !end_file)
return;
if (str)
printf(" %s=", str);
PrintExtent(stdout, begin_line, begin_column, end_line, end_column);
}
int want_display_name = 0;
static void printVersion(const char *Prefix, CXVersion Version) {
if (Version.Major < 0)
return;
printf("%s%d", Prefix, Version.Major);
if (Version.Minor < 0)
return;
printf(".%d", Version.Minor);
if (Version.Subminor < 0)
return;
printf(".%d", Version.Subminor);
}
static void PrintCursor(CXCursor Cursor) {
CXTranslationUnit TU = clang_Cursor_getTranslationUnit(Cursor);
if (clang_isInvalid(Cursor.kind)) {
CXString ks = clang_getCursorKindSpelling(Cursor.kind);
printf("Invalid Cursor => %s", clang_getCString(ks));
clang_disposeString(ks);
}
else {
CXString string, ks;
CXCursor Referenced;
unsigned line, column;
CXCursor SpecializationOf;
CXCursor *overridden;
unsigned num_overridden;
unsigned RefNameRangeNr;
CXSourceRange CursorExtent;
CXSourceRange RefNameRange;
int AlwaysUnavailable;
int AlwaysDeprecated;
CXString UnavailableMessage;
CXString DeprecatedMessage;
CXPlatformAvailability PlatformAvailability[2];
int NumPlatformAvailability;
int I;
CXString RawComment;
const char *RawCommentCString;
CXString BriefComment;
const char *BriefCommentCString;
ks = clang_getCursorKindSpelling(Cursor.kind);
string = want_display_name? clang_getCursorDisplayName(Cursor)
: clang_getCursorSpelling(Cursor);
printf("%s=%s", clang_getCString(ks),
clang_getCString(string));
clang_disposeString(ks);
clang_disposeString(string);
Referenced = clang_getCursorReferenced(Cursor);
if (!clang_equalCursors(Referenced, clang_getNullCursor())) {
if (clang_getCursorKind(Referenced) == CXCursor_OverloadedDeclRef) {
unsigned I, N = clang_getNumOverloadedDecls(Referenced);
printf("[");
for (I = 0; I != N; ++I) {
CXCursor Ovl = clang_getOverloadedDecl(Referenced, I);
CXSourceLocation Loc;
if (I)
printf(", ");
Loc = clang_getCursorLocation(Ovl);
clang_getSpellingLocation(Loc, 0, &line, &column, 0);
printf("%d:%d", line, column);
}
printf("]");
} else {
CXSourceLocation Loc = clang_getCursorLocation(Referenced);
clang_getSpellingLocation(Loc, 0, &line, &column, 0);
printf(":%d:%d", line, column);
}
}
if (clang_isCursorDefinition(Cursor))
printf(" (Definition)");
switch (clang_getCursorAvailability(Cursor)) {
case CXAvailability_Available:
break;
case CXAvailability_Deprecated:
printf(" (deprecated)");
break;
case CXAvailability_NotAvailable:
printf(" (unavailable)");
break;
case CXAvailability_NotAccessible:
printf(" (inaccessible)");
break;
}
NumPlatformAvailability
= clang_getCursorPlatformAvailability(Cursor,
&AlwaysDeprecated,
&DeprecatedMessage,
&AlwaysUnavailable,
&UnavailableMessage,
PlatformAvailability, 2);
if (AlwaysUnavailable) {
printf(" (always unavailable: \"%s\")",
clang_getCString(UnavailableMessage));
} else if (AlwaysDeprecated) {
printf(" (always deprecated: \"%s\")",
clang_getCString(DeprecatedMessage));
} else {
for (I = 0; I != NumPlatformAvailability; ++I) {
if (I >= 2)
break;
printf(" (%s", clang_getCString(PlatformAvailability[I].Platform));
if (PlatformAvailability[I].Unavailable)
printf(", unavailable");
else {
printVersion(", introduced=", PlatformAvailability[I].Introduced);
printVersion(", deprecated=", PlatformAvailability[I].Deprecated);
printVersion(", obsoleted=", PlatformAvailability[I].Obsoleted);
}
if (clang_getCString(PlatformAvailability[I].Message)[0])
printf(", message=\"%s\"",
clang_getCString(PlatformAvailability[I].Message));
printf(")");
}
}
for (I = 0; I != NumPlatformAvailability; ++I) {
if (I >= 2)
break;
clang_disposeCXPlatformAvailability(PlatformAvailability + I);
}
clang_disposeString(DeprecatedMessage);
clang_disposeString(UnavailableMessage);
if (clang_CXXMethod_isStatic(Cursor))
printf(" (static)");
if (clang_CXXMethod_isVirtual(Cursor))
printf(" (virtual)");
if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
CXType T =
clang_getCanonicalType(clang_getIBOutletCollectionType(Cursor));
CXString S = clang_getTypeKindSpelling(T.kind);
printf(" [IBOutletCollection=%s]", clang_getCString(S));
clang_disposeString(S);
}
if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
enum CX_CXXAccessSpecifier access = clang_getCXXAccessSpecifier(Cursor);
unsigned isVirtual = clang_isVirtualBase(Cursor);
const char *accessStr = 0;
switch (access) {
case CX_CXXInvalidAccessSpecifier:
accessStr = "invalid"; break;
case CX_CXXPublic:
accessStr = "public"; break;
case CX_CXXProtected:
accessStr = "protected"; break;
case CX_CXXPrivate:
accessStr = "private"; break;
}
printf(" [access=%s isVirtual=%s]", accessStr,
isVirtual ? "true" : "false");
}
SpecializationOf = clang_getSpecializedCursorTemplate(Cursor);
if (!clang_equalCursors(SpecializationOf, clang_getNullCursor())) {
CXSourceLocation Loc = clang_getCursorLocation(SpecializationOf);
CXString Name = clang_getCursorSpelling(SpecializationOf);
clang_getSpellingLocation(Loc, 0, &line, &column, 0);
printf(" [Specialization of %s:%d:%d]",
clang_getCString(Name), line, column);
clang_disposeString(Name);
}
clang_getOverriddenCursors(Cursor, &overridden, &num_overridden);
if (num_overridden) {
unsigned I;
printf(" [Overrides ");
for (I = 0; I != num_overridden; ++I) {
CXSourceLocation Loc = clang_getCursorLocation(overridden[I]);
clang_getSpellingLocation(Loc, 0, &line, &column, 0);
if (I)
printf(", ");
printf("@%d:%d", line, column);
}
printf("]");
clang_disposeOverriddenCursors(overridden);
}
if (Cursor.kind == CXCursor_InclusionDirective) {
CXFile File = clang_getIncludedFile(Cursor);
CXString Included = clang_getFileName(File);
printf(" (%s)", clang_getCString(Included));
clang_disposeString(Included);
if (clang_isFileMultipleIncludeGuarded(TU, File))
printf(" [multi-include guarded]");
}
CursorExtent = clang_getCursorExtent(Cursor);
RefNameRange = clang_getCursorReferenceNameRange(Cursor,
CXNameRange_WantQualifier
| CXNameRange_WantSinglePiece
| CXNameRange_WantTemplateArgs,
0);
if (!clang_equalRanges(CursorExtent, RefNameRange))
PrintRange(RefNameRange, "SingleRefName");
for (RefNameRangeNr = 0; 1; RefNameRangeNr++) {
RefNameRange = clang_getCursorReferenceNameRange(Cursor,
CXNameRange_WantQualifier
| CXNameRange_WantTemplateArgs,
RefNameRangeNr);
if (clang_equalRanges(clang_getNullRange(), RefNameRange))
break;
if (!clang_equalRanges(CursorExtent, RefNameRange))
PrintRange(RefNameRange, "RefName");
}
RawComment = clang_Cursor_getRawCommentText(Cursor);
RawCommentCString = clang_getCString(RawComment);
if (RawCommentCString != NULL && RawCommentCString[0] != '\0') {
PrintCString("RawComment", RawCommentCString);
PrintRange(clang_Cursor_getCommentRange(Cursor), "RawCommentRange");
BriefComment = clang_Cursor_getBriefCommentText(Cursor);
BriefCommentCString = clang_getCString(BriefComment);
if (BriefCommentCString != NULL && BriefCommentCString[0] != '\0')
PrintCString("BriefComment", BriefCommentCString);
clang_disposeString(BriefComment);
}
clang_disposeString(RawComment);
}
}
static const char* GetCursorSource(CXCursor Cursor) {
CXSourceLocation Loc = clang_getCursorLocation(Cursor);
CXString source;
CXFile file;
clang_getExpansionLocation(Loc, &file, 0, 0, 0);
source = clang_getFileName(file);
if (!clang_getCString(source)) {
clang_disposeString(source);
return "<invalid loc>";
}
else {
const char *b = basename(clang_getCString(source));
clang_disposeString(source);
return b;
}
}
/******************************************************************************/
/* Callbacks. */
/******************************************************************************/
typedef void (*PostVisitTU)(CXTranslationUnit);
void PrintDiagnostic(CXDiagnostic Diagnostic) {
FILE *out = stderr;
CXFile file;
CXString Msg;
unsigned display_opts = CXDiagnostic_DisplaySourceLocation
| CXDiagnostic_DisplayColumn | CXDiagnostic_DisplaySourceRanges
| CXDiagnostic_DisplayOption;
unsigned i, num_fixits;
if (clang_getDiagnosticSeverity(Diagnostic) == CXDiagnostic_Ignored)
return;
Msg = clang_formatDiagnostic(Diagnostic, display_opts);
fprintf(stderr, "%s\n", clang_getCString(Msg));
clang_disposeString(Msg);
clang_getSpellingLocation(clang_getDiagnosticLocation(Diagnostic),
&file, 0, 0, 0);
if (!file)
return;
num_fixits = clang_getDiagnosticNumFixIts(Diagnostic);
fprintf(stderr, "Number FIX-ITs = %d\n", num_fixits);
for (i = 0; i != num_fixits; ++i) {
CXSourceRange range;
CXString insertion_text = clang_getDiagnosticFixIt(Diagnostic, i, &range);
CXSourceLocation start = clang_getRangeStart(range);
CXSourceLocation end = clang_getRangeEnd(range);
unsigned start_line, start_column, end_line, end_column;
CXFile start_file, end_file;
clang_getSpellingLocation(start, &start_file, &start_line,
&start_column, 0);
clang_getSpellingLocation(end, &end_file, &end_line, &end_column, 0);
if (clang_equalLocations(start, end)) {
/* Insertion. */
if (start_file == file)
fprintf(out, "FIX-IT: Insert \"%s\" at %d:%d\n",
clang_getCString(insertion_text), start_line, start_column);
} else if (strcmp(clang_getCString(insertion_text), "") == 0) {
/* Removal. */
if (start_file == file && end_file == file) {
fprintf(out, "FIX-IT: Remove ");
PrintExtent(out, start_line, start_column, end_line, end_column);
fprintf(out, "\n");
}
} else {
/* Replacement. */
if (start_file == end_file) {
fprintf(out, "FIX-IT: Replace ");
PrintExtent(out, start_line, start_column, end_line, end_column);
fprintf(out, " with \"%s\"\n", clang_getCString(insertion_text));
}
break;
}
clang_disposeString(insertion_text);
}
}
void PrintDiagnosticSet(CXDiagnosticSet Set) {
int i = 0, n = clang_getNumDiagnosticsInSet(Set);
for ( ; i != n ; ++i) {
CXDiagnostic Diag = clang_getDiagnosticInSet(Set, i);
CXDiagnosticSet ChildDiags = clang_getChildDiagnostics(Diag);
PrintDiagnostic(Diag);
if (ChildDiags)
PrintDiagnosticSet(ChildDiags);
}
}
void PrintDiagnostics(CXTranslationUnit TU) {
CXDiagnosticSet TUSet = clang_getDiagnosticSetFromTU(TU);
PrintDiagnosticSet(TUSet);
clang_disposeDiagnosticSet(TUSet);
}
void PrintMemoryUsage(CXTranslationUnit TU) {
unsigned long total = 0;
unsigned i = 0;
CXTUResourceUsage usage = clang_getCXTUResourceUsage(TU);
fprintf(stderr, "Memory usage:\n");
for (i = 0 ; i != usage.numEntries; ++i) {
const char *name = clang_getTUResourceUsageName(usage.entries[i].kind);
unsigned long amount = usage.entries[i].amount;
total += amount;
fprintf(stderr, " %s : %ld bytes (%f MBytes)\n", name, amount,
((double) amount)/(1024*1024));
}
fprintf(stderr, " TOTAL = %ld bytes (%f MBytes)\n", total,
((double) total)/(1024*1024));
clang_disposeCXTUResourceUsage(usage);
}
/******************************************************************************/
/* Logic for testing traversal. */
/******************************************************************************/
static const char *FileCheckPrefix = "CHECK";
static void PrintCursorExtent(CXCursor C) {
CXSourceRange extent = clang_getCursorExtent(C);
PrintRange(extent, "Extent");
}
/* Data used by all of the visitors. */
typedef struct {
CXTranslationUnit TU;
enum CXCursorKind *Filter;
} VisitorData;
enum CXChildVisitResult FilteredPrintingVisitor(CXCursor Cursor,
CXCursor Parent,
CXClientData ClientData) {
VisitorData *Data = (VisitorData *)ClientData;
if (!Data->Filter || (Cursor.kind == *(enum CXCursorKind *)Data->Filter)) {
CXSourceLocation Loc = clang_getCursorLocation(Cursor);
unsigned line, column;
clang_getSpellingLocation(Loc, 0, &line, &column, 0);
printf("// %s: %s:%d:%d: ", FileCheckPrefix,
GetCursorSource(Cursor), line, column);
PrintCursor(Cursor);
PrintCursorExtent(Cursor);
printf("\n");
return CXChildVisit_Recurse;
}
return CXChildVisit_Continue;
}
static enum CXChildVisitResult FunctionScanVisitor(CXCursor Cursor,
CXCursor Parent,
CXClientData ClientData) {
const char *startBuf, *endBuf;
unsigned startLine, startColumn, endLine, endColumn, curLine, curColumn;
CXCursor Ref;
VisitorData *Data = (VisitorData *)ClientData;
if (Cursor.kind != CXCursor_FunctionDecl ||
!clang_isCursorDefinition(Cursor))
return CXChildVisit_Continue;
clang_getDefinitionSpellingAndExtent(Cursor, &startBuf, &endBuf,
&startLine, &startColumn,
&endLine, &endColumn);
/* Probe the entire body, looking for both decls and refs. */
curLine = startLine;
curColumn = startColumn;
while (startBuf < endBuf) {
CXSourceLocation Loc;
CXFile file;
CXString source;
if (*startBuf == '\n') {
startBuf++;
curLine++;
curColumn = 1;
} else if (*startBuf != '\t')
curColumn++;
Loc = clang_getCursorLocation(Cursor);
clang_getSpellingLocation(Loc, &file, 0, 0, 0);
source = clang_getFileName(file);
if (clang_getCString(source)) {
CXSourceLocation RefLoc
= clang_getLocation(Data->TU, file, curLine, curColumn);
Ref = clang_getCursor(Data->TU, RefLoc);
if (Ref.kind == CXCursor_NoDeclFound) {
/* Nothing found here; that's fine. */
} else if (Ref.kind != CXCursor_FunctionDecl) {
printf("// %s: %s:%d:%d: ", FileCheckPrefix, GetCursorSource(Ref),
curLine, curColumn);
PrintCursor(Ref);
printf("\n");
}
}
clang_disposeString(source);
startBuf++;
}
return CXChildVisit_Continue;
}
/******************************************************************************/
/* USR testing. */
/******************************************************************************/
enum CXChildVisitResult USRVisitor(CXCursor C, CXCursor parent,
CXClientData ClientData) {
VisitorData *Data = (VisitorData *)ClientData;
if (!Data->Filter || (C.kind == *(enum CXCursorKind *)Data->Filter)) {
CXString USR = clang_getCursorUSR(C);
const char *cstr = clang_getCString(USR);
if (!cstr || cstr[0] == '\0') {
clang_disposeString(USR);
return CXChildVisit_Recurse;
}
printf("// %s: %s %s", FileCheckPrefix, GetCursorSource(C), cstr);
PrintCursorExtent(C);
printf("\n");
clang_disposeString(USR);
return CXChildVisit_Recurse;
}
return CXChildVisit_Continue;
}
/******************************************************************************/
/* Inclusion stack testing. */
/******************************************************************************/
void InclusionVisitor(CXFile includedFile, CXSourceLocation *includeStack,
unsigned includeStackLen, CXClientData data) {
unsigned i;
CXString fname;
fname = clang_getFileName(includedFile);
printf("file: %s\nincluded by:\n", clang_getCString(fname));
clang_disposeString(fname);
for (i = 0; i < includeStackLen; ++i) {
CXFile includingFile;
unsigned line, column;
clang_getSpellingLocation(includeStack[i], &includingFile, &line,
&column, 0);
fname = clang_getFileName(includingFile);
printf(" %s:%d:%d\n", clang_getCString(fname), line, column);
clang_disposeString(fname);
}
printf("\n");
}
void PrintInclusionStack(CXTranslationUnit TU) {
clang_getInclusions(TU, InclusionVisitor, NULL);
}
/******************************************************************************/
/* Linkage testing. */
/******************************************************************************/
static enum CXChildVisitResult PrintLinkage(CXCursor cursor, CXCursor p,
CXClientData d) {
const char *linkage = 0;
if (clang_isInvalid(clang_getCursorKind(cursor)))
return CXChildVisit_Recurse;
switch (clang_getCursorLinkage(cursor)) {
case CXLinkage_Invalid: break;
case CXLinkage_NoLinkage: linkage = "NoLinkage"; break;
case CXLinkage_Internal: linkage = "Internal"; break;
case CXLinkage_UniqueExternal: linkage = "UniqueExternal"; break;
case CXLinkage_External: linkage = "External"; break;
}
if (linkage) {
PrintCursor(cursor);
printf("linkage=%s\n", linkage);
}
return CXChildVisit_Recurse;
}
/******************************************************************************/
/* Typekind testing. */
/******************************************************************************/
static enum CXChildVisitResult PrintTypeKind(CXCursor cursor, CXCursor p,
CXClientData d) {
if (!clang_isInvalid(clang_getCursorKind(cursor))) {
CXType T = clang_getCursorType(cursor);
CXString S = clang_getTypeKindSpelling(T.kind);
PrintCursor(cursor);
printf(" typekind=%s", clang_getCString(S));
if (clang_isConstQualifiedType(T))
printf(" const");
if (clang_isVolatileQualifiedType(T))
printf(" volatile");
if (clang_isRestrictQualifiedType(T))
printf(" restrict");
clang_disposeString(S);
/* Print the canonical type if it is different. */
{
CXType CT = clang_getCanonicalType(T);
if (!clang_equalTypes(T, CT)) {
CXString CS = clang_getTypeKindSpelling(CT.kind);
printf(" [canonical=%s]", clang_getCString(CS));
clang_disposeString(CS);
}
}
/* Print the return type if it exists. */
{
CXType RT = clang_getCursorResultType(cursor);
if (RT.kind != CXType_Invalid) {
CXString RS = clang_getTypeKindSpelling(RT.kind);
printf(" [result=%s]", clang_getCString(RS));
clang_disposeString(RS);
}
}
/* Print the argument types if they exist. */
{
int numArgs = clang_Cursor_getNumArguments(cursor);
if (numArgs != -1 && numArgs != 0) {
int i;
printf(" [args=");
for (i = 0; i < numArgs; ++i) {
CXType T = clang_getCursorType(clang_Cursor_getArgument(cursor, i));
if (T.kind != CXType_Invalid) {
CXString S = clang_getTypeKindSpelling(T.kind);
printf(" %s", clang_getCString(S));
clang_disposeString(S);
}
}
printf("]");
}
}
/* Print if this is a non-POD type. */
printf(" [isPOD=%d]", clang_isPODType(T));
printf("\n");
}
return CXChildVisit_Recurse;
}
/******************************************************************************/
/* Loading ASTs/source. */
/******************************************************************************/
static int perform_test_load(CXIndex Idx, CXTranslationUnit TU,
const char *filter, const char *prefix,
CXCursorVisitor Visitor,
PostVisitTU PV) {
if (prefix)
FileCheckPrefix = prefix;
if (Visitor) {
enum CXCursorKind K = CXCursor_NotImplemented;
enum CXCursorKind *ck = &K;
VisitorData Data;
/* Perform some simple filtering. */
if (!strcmp(filter, "all") || !strcmp(filter, "local")) ck = NULL;
else if (!strcmp(filter, "all-display") ||
!strcmp(filter, "local-display")) {
ck = NULL;
want_display_name = 1;
}
else if (!strcmp(filter, "none")) K = (enum CXCursorKind) ~0;
else if (!strcmp(filter, "category")) K = CXCursor_ObjCCategoryDecl;
else if (!strcmp(filter, "interface")) K = CXCursor_ObjCInterfaceDecl;
else if (!strcmp(filter, "protocol")) K = CXCursor_ObjCProtocolDecl;
else if (!strcmp(filter, "function")) K = CXCursor_FunctionDecl;
else if (!strcmp(filter, "typedef")) K = CXCursor_TypedefDecl;
else if (!strcmp(filter, "scan-function")) Visitor = FunctionScanVisitor;
else {
fprintf(stderr, "Unknown filter for -test-load-tu: %s\n", filter);
return 1;
}
Data.TU = TU;
Data.Filter = ck;
clang_visitChildren(clang_getTranslationUnitCursor(TU), Visitor, &Data);
}
if (PV)
PV(TU);
PrintDiagnostics(TU);
if (checkForErrors(TU) != 0) {
clang_disposeTranslationUnit(TU);
return -1;
}
clang_disposeTranslationUnit(TU);
return 0;
}
int perform_test_load_tu(const char *file, const char *filter,
const char *prefix, CXCursorVisitor Visitor,
PostVisitTU PV) {
CXIndex Idx;
CXTranslationUnit TU;
int result;
Idx = clang_createIndex(/* excludeDeclsFromPCH */
!strcmp(filter, "local") ? 1 : 0,
/* displayDiagnosics=*/1);
if (!CreateTranslationUnit(Idx, file, &TU)) {
clang_disposeIndex(Idx);
return 1;
}
result = perform_test_load(Idx, TU, filter, prefix, Visitor, PV);
clang_disposeIndex(Idx);
return result;
}
int perform_test_load_source(int argc, const char **argv,
const char *filter, CXCursorVisitor Visitor,
PostVisitTU PV) {
CXIndex Idx;
CXTranslationUnit TU;
struct CXUnsavedFile *unsaved_files = 0;
int num_unsaved_files = 0;
int result;
Idx = clang_createIndex(/* excludeDeclsFromPCH */
(!strcmp(filter, "local") ||
!strcmp(filter, "local-display"))? 1 : 0,
/* displayDiagnosics=*/0);
if (parse_remapped_files(argc, argv, 0, &unsaved_files, &num_unsaved_files)) {
clang_disposeIndex(Idx);
return -1;
}
TU = clang_parseTranslationUnit(Idx, 0,
argv + num_unsaved_files,
argc - num_unsaved_files,
unsaved_files, num_unsaved_files,
getDefaultParsingOptions());
if (!TU) {
fprintf(stderr, "Unable to load translation unit!\n");
free_remapped_files(unsaved_files, num_unsaved_files);
clang_disposeIndex(Idx);
return 1;
}
result = perform_test_load(Idx, TU, filter, NULL, Visitor, PV);
free_remapped_files(unsaved_files, num_unsaved_files);
clang_disposeIndex(Idx);
return result;
}
int perform_test_reparse_source(int argc, const char **argv, int trials,
const char *filter, CXCursorVisitor Visitor,
PostVisitTU PV) {
CXIndex Idx;
CXTranslationUnit TU;
struct CXUnsavedFile *unsaved_files = 0;
int num_unsaved_files = 0;
int result;
int trial;
int remap_after_trial = 0;
char *endptr = 0;
Idx = clang_createIndex(/* excludeDeclsFromPCH */
!strcmp(filter, "local") ? 1 : 0,
/* displayDiagnosics=*/0);
if (parse_remapped_files(argc, argv, 0, &unsaved_files, &num_unsaved_files)) {
clang_disposeIndex(Idx);
return -1;
}
/* Load the initial translation unit -- we do this without honoring remapped
* files, so that we have a way to test results after changing the source. */
TU = clang_parseTranslationUnit(Idx, 0,
argv + num_unsaved_files,
argc - num_unsaved_files,
0, 0, getDefaultParsingOptions());
if (!TU) {
fprintf(stderr, "Unable to load translation unit!\n");
free_remapped_files(unsaved_files, num_unsaved_files);
clang_disposeIndex(Idx);
return 1;
}
if (checkForErrors(TU) != 0)
return -1;
if (getenv("CINDEXTEST_REMAP_AFTER_TRIAL")) {
remap_after_trial =
strtol(getenv("CINDEXTEST_REMAP_AFTER_TRIAL"), &endptr, 10);
}
for (trial = 0; trial < trials; ++trial) {
if (clang_reparseTranslationUnit(TU,
trial >= remap_after_trial ? num_unsaved_files : 0,
trial >= remap_after_trial ? unsaved_files : 0,
clang_defaultReparseOptions(TU))) {
fprintf(stderr, "Unable to reparse translation unit!\n");
clang_disposeTranslationUnit(TU);
free_remapped_files(unsaved_files, num_unsaved_files);
clang_disposeIndex(Idx);
return -1;
}
if (checkForErrors(TU) != 0)
return -1;
}
result = perform_test_load(Idx, TU, filter, NULL, Visitor, PV);
free_remapped_files(unsaved_files, num_unsaved_files);
clang_disposeIndex(Idx);
return result;
}
/******************************************************************************/
/* Logic for testing clang_getCursor(). */
/******************************************************************************/
static void print_cursor_file_scan(CXTranslationUnit TU, CXCursor cursor,
unsigned start_line, unsigned start_col,
unsigned end_line, unsigned end_col,
const char *prefix) {
printf("// %s: ", FileCheckPrefix);
if (prefix)
printf("-%s", prefix);
PrintExtent(stdout, start_line, start_col, end_line, end_col);
printf(" ");