58ee89879f
Change-Id: I4df18946cdb3d9f1f7833461f913f2df94696821 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/372197 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: John Stiles <johnstiles@google.com>
140 lines
2.9 KiB
C++
140 lines
2.9 KiB
C++
/*
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* Copyright 2017 Google Inc.
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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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/*****************************************************************************************
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******************** This file was generated by sksllex. Do not edit. *******************
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*****************************************************************************************/
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#ifndef SKSL_Lexer
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#define SKSL_Lexer
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#include <cstddef>
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#include <cstdint>
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namespace SkSL {
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struct Token {
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enum class Kind {
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TK_END_OF_FILE,
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TK_FLOAT_LITERAL,
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TK_INT_LITERAL,
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TK_TRUE_LITERAL,
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TK_FALSE_LITERAL,
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TK_IF,
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TK_STATIC_IF,
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TK_ELSE,
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TK_FOR,
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TK_WHILE,
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TK_DO,
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TK_SWITCH,
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TK_STATIC_SWITCH,
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TK_CASE,
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TK_DEFAULT,
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TK_BREAK,
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TK_CONTINUE,
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TK_DISCARD,
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TK_RETURN,
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TK_IN,
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TK_OUT,
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TK_INOUT,
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TK_UNIFORM,
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TK_CONST,
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TK_FLAT,
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TK_NOPERSPECTIVE,
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TK_INLINE,
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TK_HASSIDEEFFECTS,
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TK_VARYING,
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TK_STRUCT,
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TK_LAYOUT,
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TK_ENUM,
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TK_CLASS,
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TK_IDENTIFIER,
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TK_DIRECTIVE,
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TK_SECTION,
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TK_LPAREN,
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TK_RPAREN,
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TK_LBRACE,
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TK_RBRACE,
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TK_LBRACKET,
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TK_RBRACKET,
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TK_DOT,
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TK_COMMA,
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TK_PLUSPLUS,
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TK_MINUSMINUS,
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TK_PLUS,
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TK_MINUS,
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TK_STAR,
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TK_SLASH,
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TK_PERCENT,
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TK_SHL,
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TK_SHR,
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TK_BITWISEOR,
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TK_BITWISEXOR,
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TK_BITWISEAND,
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TK_BITWISENOT,
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TK_LOGICALOR,
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TK_LOGICALXOR,
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TK_LOGICALAND,
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TK_LOGICALNOT,
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TK_QUESTION,
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TK_COLONCOLON,
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TK_COLON,
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TK_EQ,
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TK_EQEQ,
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TK_NEQ,
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TK_GT,
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TK_LT,
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TK_GTEQ,
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TK_LTEQ,
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TK_PLUSEQ,
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TK_MINUSEQ,
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TK_STAREQ,
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TK_SLASHEQ,
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TK_PERCENTEQ,
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TK_SHLEQ,
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TK_SHREQ,
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TK_BITWISEOREQ,
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TK_BITWISEXOREQ,
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TK_BITWISEANDEQ,
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TK_SEMICOLON,
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TK_ARROW,
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TK_WHITESPACE,
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TK_LINE_COMMENT,
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TK_BLOCK_COMMENT,
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TK_INVALID,
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TK_NONE,
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};
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Token() : fKind(Kind::TK_NONE), fOffset(-1), fLength(-1) {}
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Token(Kind kind, int32_t offset, int32_t length)
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: fKind(kind), fOffset(offset), fLength(length) {}
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Kind fKind;
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int fOffset;
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int fLength;
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};
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class Lexer {
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public:
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void start(const char* text, int32_t length) {
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fText = text;
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fLength = length;
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fOffset = 0;
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}
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Token next();
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int32_t getCheckpoint() const { return fOffset; }
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void rewindToCheckpoint(int32_t checkpoint) { fOffset = checkpoint; }
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private:
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const char* fText;
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int32_t fLength;
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int32_t fOffset;
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};
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} // namespace SkSL
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#endif
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