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-rw-r--r--include/llvm/Support/FileCheck.h604
1 files changed, 17 insertions, 587 deletions
diff --git a/include/llvm/Support/FileCheck.h b/include/llvm/Support/FileCheck.h
index 0cd25a71a3b3..2547449246a8 100644
--- a/include/llvm/Support/FileCheck.h
+++ b/include/llvm/Support/FileCheck.h
@@ -13,12 +13,12 @@
#ifndef LLVM_SUPPORT_FILECHECK_H
#define LLVM_SUPPORT_FILECHECK_H
-#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/StringRef.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Regex.h"
#include "llvm/Support/SourceMgr.h"
+#include <string>
#include <vector>
-#include <map>
namespace llvm {
@@ -30,6 +30,7 @@ struct FileCheckRequest {
std::vector<std::string> GlobalDefines;
bool AllowEmptyInput = false;
bool MatchFullLines = false;
+ bool IgnoreCase = false;
bool EnableVarScope = false;
bool AllowDeprecatedDagOverlap = false;
bool Verbose = false;
@@ -37,217 +38,7 @@ struct FileCheckRequest {
};
//===----------------------------------------------------------------------===//
-// Numeric substitution handling code.
-//===----------------------------------------------------------------------===//
-
-/// Base class representing the AST of a given expression.
-class FileCheckExpressionAST {
-public:
- virtual ~FileCheckExpressionAST() = default;
-
- /// Evaluates and \returns the value of the expression represented by this
- /// AST or an error if evaluation fails.
- virtual Expected<uint64_t> eval() const = 0;
-};
-
-/// Class representing an unsigned literal in the AST of an expression.
-class FileCheckExpressionLiteral : public FileCheckExpressionAST {
-private:
- /// Actual value of the literal.
- uint64_t Value;
-
-public:
- /// Constructs a literal with the specified value.
- FileCheckExpressionLiteral(uint64_t Val) : Value(Val) {}
-
- /// \returns the literal's value.
- Expected<uint64_t> eval() const { return Value; }
-};
-
-/// Class to represent an undefined variable error, which quotes that
-/// variable's name when printed.
-class FileCheckUndefVarError : public ErrorInfo<FileCheckUndefVarError> {
-private:
- StringRef VarName;
-
-public:
- static char ID;
-
- FileCheckUndefVarError(StringRef VarName) : VarName(VarName) {}
-
- StringRef getVarName() const { return VarName; }
-
- std::error_code convertToErrorCode() const override {
- return inconvertibleErrorCode();
- }
-
- /// Print name of variable associated with this error.
- void log(raw_ostream &OS) const override {
- OS << "\"";
- OS.write_escaped(VarName) << "\"";
- }
-};
-
-/// Class representing a numeric variable and its associated current value.
-class FileCheckNumericVariable {
-private:
- /// Name of the numeric variable.
- StringRef Name;
-
- /// Value of numeric variable, if defined, or None otherwise.
- Optional<uint64_t> Value;
-
- /// Line number where this variable is defined, or None if defined before
- /// input is parsed. Used to determine whether a variable is defined on the
- /// same line as a given use.
- Optional<size_t> DefLineNumber;
-
-public:
- /// Constructor for a variable \p Name defined at line \p DefLineNumber or
- /// defined before input is parsed if DefLineNumber is None.
- FileCheckNumericVariable(StringRef Name,
- Optional<size_t> DefLineNumber = None)
- : Name(Name), DefLineNumber(DefLineNumber) {}
-
- /// \returns name of this numeric variable.
- StringRef getName() const { return Name; }
-
- /// \returns this variable's value.
- Optional<uint64_t> getValue() const { return Value; }
-
- /// Sets value of this numeric variable, if undefined. Triggers an assertion
- /// failure if the variable is actually defined.
- void setValue(uint64_t Value);
-
- /// Clears value of this numeric variable, regardless of whether it is
- /// currently defined or not.
- void clearValue();
-
- /// \returns the line number where this variable is defined, if any, or None
- /// if defined before input is parsed.
- Optional<size_t> getDefLineNumber() { return DefLineNumber; }
-};
-
-/// Class representing the use of a numeric variable in the AST of an
-/// expression.
-class FileCheckNumericVariableUse : public FileCheckExpressionAST {
-private:
- /// Name of the numeric variable.
- StringRef Name;
-
- /// Pointer to the class instance for the variable this use is about.
- FileCheckNumericVariable *NumericVariable;
-
-public:
- FileCheckNumericVariableUse(StringRef Name,
- FileCheckNumericVariable *NumericVariable)
- : Name(Name), NumericVariable(NumericVariable) {}
-
- /// \returns the value of the variable referenced by this instance.
- Expected<uint64_t> eval() const;
-};
-
-/// Type of functions evaluating a given binary operation.
-using binop_eval_t = uint64_t (*)(uint64_t, uint64_t);
-
-/// Class representing a single binary operation in the AST of an expression.
-class FileCheckASTBinop : public FileCheckExpressionAST {
-private:
- /// Left operand.
- std::unique_ptr<FileCheckExpressionAST> LeftOperand;
-
- /// Right operand.
- std::unique_ptr<FileCheckExpressionAST> RightOperand;
-
- /// Pointer to function that can evaluate this binary operation.
- binop_eval_t EvalBinop;
-
-public:
- FileCheckASTBinop(binop_eval_t EvalBinop,
- std::unique_ptr<FileCheckExpressionAST> LeftOp,
- std::unique_ptr<FileCheckExpressionAST> RightOp)
- : EvalBinop(EvalBinop) {
- LeftOperand = std::move(LeftOp);
- RightOperand = std::move(RightOp);
- }
-
- /// Evaluates the value of the binary operation represented by this AST,
- /// using EvalBinop on the result of recursively evaluating the operands.
- /// \returns the expression value or an error if an undefined numeric
- /// variable is used in one of the operands.
- Expected<uint64_t> eval() const;
-};
-
-class FileCheckPatternContext;
-
-/// Class representing a substitution to perform in the RegExStr string.
-class FileCheckSubstitution {
-protected:
- /// Pointer to a class instance holding, among other things, the table with
- /// the values of live string variables at the start of any given CHECK line.
- /// Used for substituting string variables with the text they were defined
- /// as. Expressions are linked to the numeric variables they use at
- /// parse time and directly access the value of the numeric variable to
- /// evaluate their value.
- FileCheckPatternContext *Context;
-
- /// The string that needs to be substituted for something else. For a
- /// string variable this is its name, otherwise this is the whole expression.
- StringRef FromStr;
-
- // Index in RegExStr of where to do the substitution.
- size_t InsertIdx;
-
-public:
- FileCheckSubstitution(FileCheckPatternContext *Context, StringRef VarName,
- size_t InsertIdx)
- : Context(Context), FromStr(VarName), InsertIdx(InsertIdx) {}
-
- virtual ~FileCheckSubstitution() = default;
-
- /// \returns the string to be substituted for something else.
- StringRef getFromString() const { return FromStr; }
-
- /// \returns the index where the substitution is to be performed in RegExStr.
- size_t getIndex() const { return InsertIdx; }
-
- /// \returns a string containing the result of the substitution represented
- /// by this class instance or an error if substitution failed.
- virtual Expected<std::string> getResult() const = 0;
-};
-
-class FileCheckStringSubstitution : public FileCheckSubstitution {
-public:
- FileCheckStringSubstitution(FileCheckPatternContext *Context,
- StringRef VarName, size_t InsertIdx)
- : FileCheckSubstitution(Context, VarName, InsertIdx) {}
-
- /// \returns the text that the string variable in this substitution matched
- /// when defined, or an error if the variable is undefined.
- Expected<std::string> getResult() const override;
-};
-
-class FileCheckNumericSubstitution : public FileCheckSubstitution {
-private:
- /// Pointer to the class representing the expression whose value is to be
- /// substituted.
- std::unique_ptr<FileCheckExpressionAST> ExpressionAST;
-
-public:
- FileCheckNumericSubstitution(FileCheckPatternContext *Context, StringRef Expr,
- std::unique_ptr<FileCheckExpressionAST> ExprAST,
- size_t InsertIdx)
- : FileCheckSubstitution(Context, Expr, InsertIdx) {
- ExpressionAST = std::move(ExprAST);
- }
-
- /// \returns a string containing the result of evaluating the expression in
- /// this substitution, or an error if evaluation failed.
- Expected<std::string> getResult() const override;
-};
-
-//===----------------------------------------------------------------------===//
-// Pattern handling code.
+// Summary of a FileCheck diagnostic.
//===----------------------------------------------------------------------===//
namespace Check {
@@ -291,325 +82,6 @@ public:
};
} // namespace Check
-struct FileCheckDiag;
-
-/// Class holding the FileCheckPattern global state, shared by all patterns:
-/// tables holding values of variables and whether they are defined or not at
-/// any given time in the matching process.
-class FileCheckPatternContext {
- friend class FileCheckPattern;
-
-private:
- /// When matching a given pattern, this holds the value of all the string
- /// variables defined in previous patterns. In a pattern, only the last
- /// definition for a given variable is recorded in this table.
- /// Back-references are used for uses after any the other definition.
- StringMap<StringRef> GlobalVariableTable;
-
- /// Map of all string variables defined so far. Used at parse time to detect
- /// a name conflict between a numeric variable and a string variable when
- /// the former is defined on a later line than the latter.
- StringMap<bool> DefinedVariableTable;
-
- /// When matching a given pattern, this holds the pointers to the classes
- /// representing the numeric variables defined in previous patterns. When
- /// matching a pattern all definitions for that pattern are recorded in the
- /// NumericVariableDefs table in the FileCheckPattern instance of that
- /// pattern.
- StringMap<FileCheckNumericVariable *> GlobalNumericVariableTable;
-
- /// Pointer to the class instance representing the @LINE pseudo variable for
- /// easily updating its value.
- FileCheckNumericVariable *LineVariable = nullptr;
-
- /// Vector holding pointers to all parsed numeric variables. Used to
- /// automatically free them once they are guaranteed to no longer be used.
- std::vector<std::unique_ptr<FileCheckNumericVariable>> NumericVariables;
-
- /// Vector holding pointers to all substitutions. Used to automatically free
- /// them once they are guaranteed to no longer be used.
- std::vector<std::unique_ptr<FileCheckSubstitution>> Substitutions;
-
-public:
- /// \returns the value of string variable \p VarName or an error if no such
- /// variable has been defined.
- Expected<StringRef> getPatternVarValue(StringRef VarName);
-
- /// Defines string and numeric variables from definitions given on the
- /// command line, passed as a vector of [#]VAR=VAL strings in
- /// \p CmdlineDefines. \returns an error list containing diagnostics against
- /// \p SM for all definition parsing failures, if any, or Success otherwise.
- Error defineCmdlineVariables(std::vector<std::string> &CmdlineDefines,
- SourceMgr &SM);
-
- /// Create @LINE pseudo variable. Value is set when pattern are being
- /// matched.
- void createLineVariable();
-
- /// Undefines local variables (variables whose name does not start with a '$'
- /// sign), i.e. removes them from GlobalVariableTable and from
- /// GlobalNumericVariableTable and also clears the value of numeric
- /// variables.
- void clearLocalVars();
-
-private:
- /// Makes a new numeric variable and registers it for destruction when the
- /// context is destroyed.
- template <class... Types>
- FileCheckNumericVariable *makeNumericVariable(Types... args);
-
- /// Makes a new string substitution and registers it for destruction when the
- /// context is destroyed.
- FileCheckSubstitution *makeStringSubstitution(StringRef VarName,
- size_t InsertIdx);
-
- /// Makes a new numeric substitution and registers it for destruction when
- /// the context is destroyed.
- FileCheckSubstitution *
- makeNumericSubstitution(StringRef ExpressionStr,
- std::unique_ptr<FileCheckExpressionAST> ExpressionAST,
- size_t InsertIdx);
-};
-
-/// Class to represent an error holding a diagnostic with location information
-/// used when printing it.
-class FileCheckErrorDiagnostic : public ErrorInfo<FileCheckErrorDiagnostic> {
-private:
- SMDiagnostic Diagnostic;
-
-public:
- static char ID;
-
- FileCheckErrorDiagnostic(SMDiagnostic &&Diag) : Diagnostic(Diag) {}
-
- std::error_code convertToErrorCode() const override {
- return inconvertibleErrorCode();
- }
-
- /// Print diagnostic associated with this error when printing the error.
- void log(raw_ostream &OS) const override { Diagnostic.print(nullptr, OS); }
-
- static Error get(const SourceMgr &SM, SMLoc Loc, const Twine &ErrMsg) {
- return make_error<FileCheckErrorDiagnostic>(
- SM.GetMessage(Loc, SourceMgr::DK_Error, ErrMsg));
- }
-
- static Error get(const SourceMgr &SM, StringRef Buffer, const Twine &ErrMsg) {
- return get(SM, SMLoc::getFromPointer(Buffer.data()), ErrMsg);
- }
-};
-
-class FileCheckNotFoundError : public ErrorInfo<FileCheckNotFoundError> {
-public:
- static char ID;
-
- std::error_code convertToErrorCode() const override {
- return inconvertibleErrorCode();
- }
-
- /// Print diagnostic associated with this error when printing the error.
- void log(raw_ostream &OS) const override {
- OS << "String not found in input";
- }
-};
-
-class FileCheckPattern {
- SMLoc PatternLoc;
-
- /// A fixed string to match as the pattern or empty if this pattern requires
- /// a regex match.
- StringRef FixedStr;
-
- /// A regex string to match as the pattern or empty if this pattern requires
- /// a fixed string to match.
- std::string RegExStr;
-
- /// Entries in this vector represent a substitution of a string variable or
- /// an expression in the RegExStr regex at match time. For example, in the
- /// case of a CHECK directive with the pattern "foo[[bar]]baz[[#N+1]]",
- /// RegExStr will contain "foobaz" and we'll get two entries in this vector
- /// that tells us to insert the value of string variable "bar" at offset 3
- /// and the value of expression "N+1" at offset 6.
- std::vector<FileCheckSubstitution *> Substitutions;
-
- /// Maps names of string variables defined in a pattern to the number of
- /// their parenthesis group in RegExStr capturing their last definition.
- ///
- /// E.g. for the pattern "foo[[bar:.*]]baz([[bar]][[QUUX]][[bar:.*]])",
- /// RegExStr will be "foo(.*)baz(\1<quux value>(.*))" where <quux value> is
- /// the value captured for QUUX on the earlier line where it was defined, and
- /// VariableDefs will map "bar" to the third parenthesis group which captures
- /// the second definition of "bar".
- ///
- /// Note: uses std::map rather than StringMap to be able to get the key when
- /// iterating over values.
- std::map<StringRef, unsigned> VariableDefs;
-
- /// Structure representing the definition of a numeric variable in a pattern.
- /// It holds the pointer to the class representing the numeric variable whose
- /// value is being defined and the number of the parenthesis group in
- /// RegExStr to capture that value.
- struct FileCheckNumericVariableMatch {
- /// Pointer to class representing the numeric variable whose value is being
- /// defined.
- FileCheckNumericVariable *DefinedNumericVariable;
-
- /// Number of the parenthesis group in RegExStr that captures the value of
- /// this numeric variable definition.
- unsigned CaptureParenGroup;
- };
-
- /// Holds the number of the parenthesis group in RegExStr and pointer to the
- /// corresponding FileCheckNumericVariable class instance of all numeric
- /// variable definitions. Used to set the matched value of all those
- /// variables.
- StringMap<FileCheckNumericVariableMatch> NumericVariableDefs;
-
- /// Pointer to a class instance holding the global state shared by all
- /// patterns:
- /// - separate tables with the values of live string and numeric variables
- /// respectively at the start of any given CHECK line;
- /// - table holding whether a string variable has been defined at any given
- /// point during the parsing phase.
- FileCheckPatternContext *Context;
-
- Check::FileCheckType CheckTy;
-
- /// Line number for this CHECK pattern or None if it is an implicit pattern.
- /// Used to determine whether a variable definition is made on an earlier
- /// line to the one with this CHECK.
- Optional<size_t> LineNumber;
-
-public:
- FileCheckPattern(Check::FileCheckType Ty, FileCheckPatternContext *Context,
- Optional<size_t> Line = None)
- : Context(Context), CheckTy(Ty), LineNumber(Line) {}
-
- /// \returns the location in source code.
- SMLoc getLoc() const { return PatternLoc; }
-
- /// \returns the pointer to the global state for all patterns in this
- /// FileCheck instance.
- FileCheckPatternContext *getContext() const { return Context; }
-
- /// \returns whether \p C is a valid first character for a variable name.
- static bool isValidVarNameStart(char C);
-
- /// Parsing information about a variable.
- struct VariableProperties {
- StringRef Name;
- bool IsPseudo;
- };
-
- /// Parses the string at the start of \p Str for a variable name. \returns
- /// a VariableProperties structure holding the variable name and whether it
- /// is the name of a pseudo variable, or an error holding a diagnostic
- /// against \p SM if parsing fail. If parsing was successful, also strips
- /// \p Str from the variable name.
- static Expected<VariableProperties> parseVariable(StringRef &Str,
- const SourceMgr &SM);
- /// Parses \p Expr for the name of a numeric variable to be defined at line
- /// \p LineNumber or before input is parsed if \p LineNumber is None.
- /// \returns a pointer to the class instance representing that variable,
- /// creating it if needed, or an error holding a diagnostic against \p SM
- /// should defining such a variable be invalid.
- static Expected<FileCheckNumericVariable *> parseNumericVariableDefinition(
- StringRef &Expr, FileCheckPatternContext *Context,
- Optional<size_t> LineNumber, const SourceMgr &SM);
- /// Parses \p Expr for a numeric substitution block. Parameter
- /// \p IsLegacyLineExpr indicates whether \p Expr should be a legacy @LINE
- /// expression. \returns a pointer to the class instance representing the AST
- /// of the expression whose value must be substituted, or an error holding a
- /// diagnostic against \p SM if parsing fails. If substitution was
- /// successful, sets \p DefinedNumericVariable to point to the class
- /// representing the numeric variable being defined in this numeric
- /// substitution block, or None if this block does not define any variable.
- Expected<std::unique_ptr<FileCheckExpressionAST>>
- parseNumericSubstitutionBlock(
- StringRef Expr,
- Optional<FileCheckNumericVariable *> &DefinedNumericVariable,
- bool IsLegacyLineExpr, const SourceMgr &SM) const;
- /// Parses the pattern in \p PatternStr and initializes this FileCheckPattern
- /// instance accordingly.
- ///
- /// \p Prefix provides which prefix is being matched, \p Req describes the
- /// global options that influence the parsing such as whitespace
- /// canonicalization, \p SM provides the SourceMgr used for error reports.
- /// \returns true in case of an error, false otherwise.
- bool parsePattern(StringRef PatternStr, StringRef Prefix, SourceMgr &SM,
- const FileCheckRequest &Req);
- /// Matches the pattern string against the input buffer \p Buffer
- ///
- /// \returns the position that is matched or an error indicating why matching
- /// failed. If there is a match, updates \p MatchLen with the size of the
- /// matched string.
- ///
- /// The GlobalVariableTable StringMap in the FileCheckPatternContext class
- /// instance provides the current values of FileCheck string variables and
- /// is updated if this match defines new values. Likewise, the
- /// GlobalNumericVariableTable StringMap in the same class provides the
- /// current values of FileCheck numeric variables and is updated if this
- /// match defines new numeric values.
- Expected<size_t> match(StringRef Buffer, size_t &MatchLen,
- const SourceMgr &SM) const;
- /// Prints the value of successful substitutions or the name of the undefined
- /// string or numeric variables preventing a successful substitution.
- void printSubstitutions(const SourceMgr &SM, StringRef Buffer,
- SMRange MatchRange = None) const;
- void printFuzzyMatch(const SourceMgr &SM, StringRef Buffer,
- std::vector<FileCheckDiag> *Diags) const;
-
- bool hasVariable() const {
- return !(Substitutions.empty() && VariableDefs.empty());
- }
-
- Check::FileCheckType getCheckTy() const { return CheckTy; }
-
- int getCount() const { return CheckTy.getCount(); }
-
-private:
- bool AddRegExToRegEx(StringRef RS, unsigned &CurParen, SourceMgr &SM);
- void AddBackrefToRegEx(unsigned BackrefNum);
- /// Computes an arbitrary estimate for the quality of matching this pattern
- /// at the start of \p Buffer; a distance of zero should correspond to a
- /// perfect match.
- unsigned computeMatchDistance(StringRef Buffer) const;
- /// Finds the closing sequence of a regex variable usage or definition.
- ///
- /// \p Str has to point in the beginning of the definition (right after the
- /// opening sequence). \p SM holds the SourceMgr used for error repporting.
- /// \returns the offset of the closing sequence within Str, or npos if it
- /// was not found.
- size_t FindRegexVarEnd(StringRef Str, SourceMgr &SM);
-
- /// Parses \p Name as a (pseudo if \p IsPseudo is true) numeric variable use.
- /// \returns the pointer to the class instance representing that variable if
- /// successful, or an error holding a diagnostic against \p SM otherwise.
- Expected<std::unique_ptr<FileCheckNumericVariableUse>>
- parseNumericVariableUse(StringRef Name, bool IsPseudo,
- const SourceMgr &SM) const;
- enum class AllowedOperand { LineVar, Literal, Any };
- /// Parses \p Expr for use of a numeric operand. Accepts both literal values
- /// and numeric variables, depending on the value of \p AO. \returns the
- /// class representing that operand in the AST of the expression or an error
- /// holding a diagnostic against \p SM otherwise.
- Expected<std::unique_ptr<FileCheckExpressionAST>>
- parseNumericOperand(StringRef &Expr, AllowedOperand AO,
- const SourceMgr &SM) const;
- /// Parses \p Expr for a binary operation. The left operand of this binary
- /// operation is given in \p LeftOp and \p IsLegacyLineExpr indicates whether
- /// we are parsing a legacy @LINE expression. \returns the class representing
- /// the binary operation in the AST of the expression, or an error holding a
- /// diagnostic against \p SM otherwise.
- Expected<std::unique_ptr<FileCheckExpressionAST>>
- parseBinop(StringRef &Expr, std::unique_ptr<FileCheckExpressionAST> LeftOp,
- bool IsLegacyLineExpr, const SourceMgr &SM) const;
-};
-
-//===----------------------------------------------------------------------===//
-/// Summary of a FileCheck diagnostic.
-//===----------------------------------------------------------------------===//
-
struct FileCheckDiag {
/// What is the FileCheck directive for this diagnostic?
Check::FileCheckType CheckTy;
@@ -659,61 +131,20 @@ struct FileCheckDiag {
SMLoc CheckLoc, MatchType MatchTy, SMRange InputRange);
};
-//===----------------------------------------------------------------------===//
-// Check Strings.
-//===----------------------------------------------------------------------===//
-
-/// A check that we found in the input file.
-struct FileCheckString {
- /// The pattern to match.
- FileCheckPattern Pat;
-
- /// Which prefix name this check matched.
- StringRef Prefix;
-
- /// The location in the match file that the check string was specified.
- SMLoc Loc;
-
- /// All of the strings that are disallowed from occurring between this match
- /// string and the previous one (or start of file).
- std::vector<FileCheckPattern> DagNotStrings;
-
- FileCheckString(const FileCheckPattern &P, StringRef S, SMLoc L)
- : Pat(P), Prefix(S), Loc(L) {}
-
- /// Matches check string and its "not strings" and/or "dag strings".
- size_t Check(const SourceMgr &SM, StringRef Buffer, bool IsLabelScanMode,
- size_t &MatchLen, FileCheckRequest &Req,
- std::vector<FileCheckDiag> *Diags) const;
-
- /// Verifies that there is a single line in the given \p Buffer. Errors are
- /// reported against \p SM.
- bool CheckNext(const SourceMgr &SM, StringRef Buffer) const;
- /// Verifies that there is no newline in the given \p Buffer. Errors are
- /// reported against \p SM.
- bool CheckSame(const SourceMgr &SM, StringRef Buffer) const;
- /// Verifies that none of the strings in \p NotStrings are found in the given
- /// \p Buffer. Errors are reported against \p SM and diagnostics recorded in
- /// \p Diags according to the verbosity level set in \p Req.
- bool CheckNot(const SourceMgr &SM, StringRef Buffer,
- const std::vector<const FileCheckPattern *> &NotStrings,
- const FileCheckRequest &Req,
- std::vector<FileCheckDiag> *Diags) const;
- /// Matches "dag strings" and their mixed "not strings".
- size_t CheckDag(const SourceMgr &SM, StringRef Buffer,
- std::vector<const FileCheckPattern *> &NotStrings,
- const FileCheckRequest &Req,
- std::vector<FileCheckDiag> *Diags) const;
-};
+class FileCheckPatternContext;
+struct FileCheckString;
/// FileCheck class takes the request and exposes various methods that
/// use information from the request.
class FileCheck {
FileCheckRequest Req;
- FileCheckPatternContext PatternContext;
+ std::unique_ptr<FileCheckPatternContext> PatternContext;
+ // C++17 TODO: make this a plain std::vector.
+ std::unique_ptr<std::vector<FileCheckString>> CheckStrings;
public:
- FileCheck(FileCheckRequest Req) : Req(Req) {}
+ explicit FileCheck(FileCheckRequest Req);
+ ~FileCheck();
// Combines the check prefixes into a single regex so that we can efficiently
// scan for any of the set.
@@ -723,13 +154,11 @@ public:
Regex buildCheckPrefixRegex();
/// Reads the check file from \p Buffer and records the expected strings it
- /// contains in the \p CheckStrings vector. Errors are reported against
- /// \p SM.
+ /// contains. Errors are reported against \p SM.
///
/// Only expected strings whose prefix is one of those listed in \p PrefixRE
/// are recorded. \returns true in case of an error, false otherwise.
- bool ReadCheckFile(SourceMgr &SM, StringRef Buffer, Regex &PrefixRE,
- std::vector<FileCheckString> &CheckStrings);
+ bool readCheckFile(SourceMgr &SM, StringRef Buffer, Regex &PrefixRE);
bool ValidateCheckPrefixes();
@@ -739,13 +168,14 @@ public:
SmallVectorImpl<char> &OutputBuffer);
/// Checks the input to FileCheck provided in the \p Buffer against the
- /// \p CheckStrings read from the check file and record diagnostics emitted
+ /// expected strings read from the check file and record diagnostics emitted
/// in \p Diags. Errors are recorded against \p SM.
///
/// \returns false if the input fails to satisfy the checks.
- bool CheckInput(SourceMgr &SM, StringRef Buffer,
- ArrayRef<FileCheckString> CheckStrings,
+ bool checkInput(SourceMgr &SM, StringRef Buffer,
std::vector<FileCheckDiag> *Diags = nullptr);
};
+
} // namespace llvm
+
#endif