fe5d6928d0
Declare This solves several issues caused by the lack of ordering guarantees in C++; it was possible for the SkSL backend to look for the value of a variable before its Declare() call gets processed. Moving the initial value out of Declare should fix this whole class of problems. Change-Id: I428fe230f1c312a0128c1f00c2a36cb95f4590a6 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/380358 Reviewed-by: John Stiles <johnstiles@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
60 lines
1.2 KiB
C++
60 lines
1.2 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_DSL_ERROR_HANDLING
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#define SKSL_DSL_ERROR_HANDLING
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namespace SkSL {
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namespace dsl {
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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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#if __has_builtin(__builtin_FILE) && __has_builtin(__builtin_LINE)
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explicit PositionInfo(const char* file = __builtin_FILE(), int line = __builtin_LINE())
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#else
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explicit PositionInfo(const char* file = nullptr, int line = -1)
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#endif // __has_builtin(__builtin_FILE) && __has_builtin(__builtin_LINE)
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: fFile(file)
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, fLine(line) {}
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const char* file_name() {
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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;
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int fLine;
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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 ErrorHandler {
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public:
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virtual ~ErrorHandler() {}
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/**
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* Reports a DSL error. Position may not be available, in which case it will be null.
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*/
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virtual void handleError(const char* msg, PositionInfo* position) = 0;
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};
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} // namespace dsl
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} // namespace SkSL
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#endif
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