diff options
Diffstat (limited to 'src/sksl/SkSLParser.cpp')
| -rw-r--r-- | src/sksl/SkSLParser.cpp | 67 |
1 files changed, 61 insertions, 6 deletions
diff --git a/src/sksl/SkSLParser.cpp b/src/sksl/SkSLParser.cpp index 46dce11177..86c09855d0 100644 --- a/src/sksl/SkSLParser.cpp +++ b/src/sksl/SkSLParser.cpp @@ -46,6 +46,10 @@ #include "ir/SkSLModifiers.h" #include "ir/SkSLType.h" +#ifndef SKSL_STANDALONE +#include "SkOnce.h" +#endif + namespace SkSL { #define MAX_PARSE_DEPTH 50 @@ -73,12 +77,64 @@ private: Parser* fParser; }; +std::unordered_map<String, Parser::LayoutToken>* Parser::layoutTokens; + +void Parser::InitLayoutMap() { + layoutTokens = new std::unordered_map<String, LayoutToken>; + #define TOKEN(name, text) (*layoutTokens)[text] = LayoutToken::name; + TOKEN(LOCATION, "location"); + TOKEN(OFFSET, "offset"); + TOKEN(BINDING, "binding"); + TOKEN(INDEX, "index"); + TOKEN(SET, "set"); + TOKEN(BUILTIN, "builtin"); + TOKEN(INPUT_ATTACHMENT_INDEX, "input_attachment_index"); + TOKEN(ORIGIN_UPPER_LEFT, "origin_upper_left"); + TOKEN(OVERRIDE_COVERAGE, "override_coverage"); + TOKEN(BLEND_SUPPORT_ALL_EQUATIONS, "blend_support_all_equations"); + TOKEN(BLEND_SUPPORT_MULTIPLY, "blend_support_multiply"); + TOKEN(BLEND_SUPPORT_SCREEN, "blend_support_screen"); + TOKEN(BLEND_SUPPORT_OVERLAY, "blend_support_overlay"); + TOKEN(BLEND_SUPPORT_DARKEN, "blend_support_darken"); + TOKEN(BLEND_SUPPORT_LIGHTEN, "blend_support_lighten"); + TOKEN(BLEND_SUPPORT_COLORDODGE, "blend_support_colordodge"); + TOKEN(BLEND_SUPPORT_COLORBURN, "blend_support_colorburn"); + TOKEN(BLEND_SUPPORT_HARDLIGHT, "blend_support_hardlight"); + TOKEN(BLEND_SUPPORT_SOFTLIGHT, "blend_support_softlight"); + TOKEN(BLEND_SUPPORT_DIFFERENCE, "blend_support_difference"); + TOKEN(BLEND_SUPPORT_EXCLUSION, "blend_support_exclusion"); + TOKEN(BLEND_SUPPORT_HSL_HUE, "blend_support_hsl_hue"); + TOKEN(BLEND_SUPPORT_HSL_SATURATION, "blend_support_hsl_saturation"); + TOKEN(BLEND_SUPPORT_HSL_COLOR, "blend_support_hsl_color"); + TOKEN(BLEND_SUPPORT_HSL_LUMINOSITY, "blend_support_hsl_luminosity"); + TOKEN(PUSH_CONSTANT, "push_constant"); + TOKEN(POINTS, "points"); + TOKEN(LINES, "lines"); + TOKEN(LINE_STRIP, "line_strip"); + TOKEN(LINES_ADJACENCY, "lines_adjacency"); + TOKEN(TRIANGLES, "triangles"); + TOKEN(TRIANGLE_STRIP, "triangle_strip"); + TOKEN(TRIANGLES_ADJACENCY, "triangles_adjacency"); + TOKEN(MAX_VERTICES, "max_vertices"); + TOKEN(INVOCATIONS, "invocations"); + TOKEN(WHEN, "when"); + TOKEN(KEY, "key"); + TOKEN(CTYPE, "ctype"); + #undef TOKEN +} + Parser::Parser(const char* text, size_t length, SymbolTable& types, ErrorReporter& errors) : fText(text) , fPushback(Token::INVALID, -1, -1) , fTypes(types) , fErrors(errors) { fLexer.start(text, length); +#ifdef SKSL_STANDALONE + InitLayoutMap(); +#else + static SkOnce once; + once([] { InitLayoutMap(); }); +#endif } /* (directive | section | declaration)* END_OF_FILE */ @@ -690,10 +746,9 @@ Layout Parser::layout() { for (;;) { Token t = this->nextToken(); String text = this->text(t); - fLayoutLexer.start(text.c_str(), text.size()); - int token = fLayoutLexer.next().fKind; - if (token != LayoutToken::INVALID) { - switch (token) { + auto found = layoutTokens->find(text); + if (found != layoutTokens->end()) { + switch (found->second) { case LayoutToken::LOCATION: location = this->layoutInt(); break; @@ -809,10 +864,10 @@ Layout Parser::layout() { ctype = this->layoutIdentifier(); break; } - } else if (Layout::ReadFormat(this->text(t), &format)) { + } else if (Layout::ReadFormat(text, &format)) { // AST::ReadFormat stored the result in 'format'. } else { - this->error(t, ("'" + this->text(t) + "' is not a valid layout qualifier").c_str()); + this->error(t, ("'" + text + "' is not a valid layout qualifier").c_str()); } if (this->checkNext(Token::RPAREN)) { break; |