89cfde1dbe
This reverts commit cc91452f0a.
Change-Id: I7eff0ddeebef4ce298893f9b3ba410b09647e9a4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/453138
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
116 lines
2.6 KiB
C++
116 lines
2.6 KiB
C++
/*
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* Copyright 2021 Google LLC.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SKSL_ERROR_REPORTER
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#define SKSL_ERROR_REPORTER
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#include "include/core/SkStringView.h"
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#include "include/core/SkTypes.h"
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#include "include/private/SkSLString.h"
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#include <string>
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#include <vector>
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namespace SkSL {
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#ifndef __has_builtin
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#define __has_builtin(x) 0
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#endif
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class PositionInfo {
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public:
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PositionInfo(const char* file = nullptr, int line = -1)
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: fFile(file)
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, fLine(line) {}
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#if __has_builtin(__builtin_FILE) && __has_builtin(__builtin_LINE)
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static PositionInfo Capture(const char* file = __builtin_FILE(), int line = __builtin_LINE()) {
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return PositionInfo(file, line);
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}
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#else
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static PositionInfo Capture() { return PositionInfo(); }
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#endif // __has_builtin(__builtin_FILE) && __has_builtin(__builtin_LINE)
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const char* file_name() const {
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return fFile;
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}
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int line() {
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return fLine;
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}
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private:
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const char* fFile = nullptr;
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int32_t fLine = -1;
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};
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/**
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* Class which is notified in the event of an error.
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*/
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class ErrorReporter {
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public:
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ErrorReporter() {}
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virtual ~ErrorReporter() {
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SkASSERT(fPendingErrors.empty());
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}
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void error(skstd::string_view msg, PositionInfo position);
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/**
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* Reports an error message at the given line of the source text. Errors reported
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* with a line of -1 will be queued until line number information can be determined.
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*/
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void error(int line, skstd::string_view msg);
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const char* source() const { return fSource; }
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void setSource(const char* source) { fSource = source; }
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void reportPendingErrors(PositionInfo pos) {
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for (const String& msg : fPendingErrors) {
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this->handleError(msg, pos);
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}
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fPendingErrors.clear();
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}
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int errorCount() const {
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return fErrorCount;
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}
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void resetErrorCount() {
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fErrorCount = 0;
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}
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protected:
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/**
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* Called when an error is reported.
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*/
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virtual void handleError(skstd::string_view msg, PositionInfo position) = 0;
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private:
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PositionInfo position(int offset) const;
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const char* fSource = nullptr;
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std::vector<String> fPendingErrors;
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int fErrorCount = 0;
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};
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/**
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* Error reporter for tests that need an SkSL context; aborts immediately if an error is reported.
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*/
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class TestingOnly_AbortErrorReporter : public ErrorReporter {
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public:
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void handleError(skstd::string_view msg, PositionInfo pos) override {
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SK_ABORT("%.*s", (int)msg.length(), msg.data());
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}
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};
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} // namespace SkSL
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#endif
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