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authorGravatar Ethan Nicholas <ethannicholas@google.com>2017-09-07 15:44:01 -0400
committerGravatar Skia Commit-Bot <skia-commit-bot@chromium.org>2017-09-11 16:17:00 +0000
commitc576e93d174f3106e072a2f506bca3990b541265 (patch)
treed4a410200aa71183c95643535b440bec919f2e18 /src/sksl/ir/SkSLIRNode.h
parenta2bdf005f3c706065d1aa93f319f4b73932721d4 (diff)
Switch to the new SkSL lexer.
This completely replaces flex with a new in-house lexical analyzer generator, which we have done for performance and memory usage reasons. Flex requires us to copy strings every time we need the text of a token, whereas this new lexer allows us to handle strings as a (non-null-terminated) pointer and length everywhere, eliminating most string copies. Bug: skia: Change-Id: I2add26efc9e20cb699520e82abcf713af3968aca Reviewed-on: https://skia-review.googlesource.com/39780 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Diffstat (limited to 'src/sksl/ir/SkSLIRNode.h')
-rw-r--r--src/sksl/ir/SkSLIRNode.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/sksl/ir/SkSLIRNode.h b/src/sksl/ir/SkSLIRNode.h
index 139be32f44..5ada50607e 100644
--- a/src/sksl/ir/SkSLIRNode.h
+++ b/src/sksl/ir/SkSLIRNode.h
@@ -8,7 +8,7 @@
#ifndef SKSL_IRNODE
#define SKSL_IRNODE
-#include "../SkSLPosition.h"
+#include "../SkSLLexer.h"
namespace SkSL {
@@ -17,14 +17,16 @@ namespace SkSL {
* version of the program (all types determined, everything validated), ready for code generation.
*/
struct IRNode {
- IRNode(Position position)
- : fPosition(position) {}
+ IRNode(int offset)
+ : fOffset(offset) {}
virtual ~IRNode() {}
virtual String description() const = 0;
- const Position fPosition;
+ // character offset of this element within the program being compiled, for error reporting
+ // purposes
+ const int fOffset;
};
} // namespace