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Unified Diff: src/sksl/SkSLParser.cpp

Issue 2387643003: Revert of Turned on SkSL->GLSL compiler (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: src/sksl/SkSLParser.cpp
diff --git a/src/sksl/SkSLParser.cpp b/src/sksl/SkSLParser.cpp
index 29f1dbd1785d425ef638312560272f27c02394ba..b240e4501e98a1f4847cd8c00ca784d854ee9a31 100644
--- a/src/sksl/SkSLParser.cpp
+++ b/src/sksl/SkSLParser.cpp
@@ -56,9 +56,7 @@
#include "ast/SkSLASTIndexSuffix.h"
#include "ast/SkSLASTInterfaceBlock.h"
#include "ast/SkSLASTIntLiteral.h"
-#include "ast/SkSLASTModifiersDeclaration.h"
#include "ast/SkSLASTParameter.h"
-#include "ast/SkSLASTPrecision.h"
#include "ast/SkSLASTPrefixExpression.h"
#include "ast/SkSLASTReturnStatement.h"
#include "ast/SkSLASTStatement.h"
@@ -99,13 +97,9 @@
switch (this->peek().fKind) {
case Token::END_OF_FILE:
return result;
- case Token::PRECISION: {
- std::unique_ptr<ASTDeclaration> precision = this->precision();
- if (precision) {
- result.push_back(std::move(precision));
- }
- break;
- }
+ case Token::PRECISION:
+ this->precision();
+ break;
case Token::DIRECTIVE: {
std::unique_ptr<ASTDeclaration> decl = this->directive();
if (decl) {
@@ -169,37 +163,29 @@
}
/* PRECISION (LOWP | MEDIUMP | HIGHP) type SEMICOLON */
-std::unique_ptr<ASTDeclaration> Parser::precision() {
+void Parser::precision() {
if (!this->expect(Token::PRECISION, "'precision'")) {
- return nullptr;
- }
- Modifiers::Flag result;
+ return;
+ }
Token p = this->nextToken();
switch (p.fKind) {
- case Token::LOWP:
- result = Modifiers::kLowp_Flag;
- break;
- case Token::MEDIUMP:
- result = Modifiers::kMediump_Flag;
- break;
+ case Token::LOWP: // fall through
+ case Token::MEDIUMP: // fall through
case Token::HIGHP:
- result = Modifiers::kHighp_Flag;
+ // ignored for now
break;
default:
this->error(p.fPosition, "expected 'lowp', 'mediump', or 'highp', but found '" +
p.fText + "'");
- return nullptr;
- }
- // FIXME handle the type
+ return;
+ }
if (!this->type()) {
- return nullptr;
+ return;
}
this->expect(Token::SEMICOLON, "';'");
- return std::unique_ptr<ASTDeclaration>(new ASTPrecision(p.fPosition, result));
-}
-
-/* DIRECTIVE(#version) INT_LITERAL ("es" | "compatibility")? |
- DIRECTIVE(#extension) IDENTIFIER COLON IDENTIFIER */
+}
+
+/* DIRECTIVE(#version) INT_LITERAL | DIRECTIVE(#extension) IDENTIFIER COLON IDENTIFIER */
std::unique_ptr<ASTDeclaration> Parser::directive() {
Token start;
if (!this->expect(Token::DIRECTIVE, "a directive", &start)) {
@@ -207,12 +193,7 @@
}
if (start.fText == "#version") {
this->expect(Token::INT_LITERAL, "a version number");
- Token next = this->peek();
- if (next.fText == "es" || next.fText == "compatibility") {
- this->nextToken();
- }
- // version is ignored for now; it will eventually become an error when we stop pretending
- // to be GLSL
+ // ignored for now
return nullptr;
} else if (start.fText == "#extension") {
Token name;
@@ -245,10 +226,6 @@
}
if (lookahead.fKind == Token::STRUCT) {
return this->structVarDeclaration(modifiers);
- }
- if (lookahead.fKind == Token::SEMICOLON) {
- this->nextToken();
- return std::unique_ptr<ASTDeclaration>(new ASTModifiersDeclaration(modifiers));
}
std::unique_ptr<ASTType> type(this->type());
if (!type) {
@@ -500,13 +477,10 @@
int set = -1;
int builtin = -1;
bool originUpperLeft = false;
- bool overrideCoverage = false;
- bool blendSupportAllEquations = false;
if (this->peek().fKind == Token::LAYOUT) {
this->nextToken();
if (!this->expect(Token::LPAREN, "'('")) {
- return ASTLayout(location, binding, index, set, builtin, originUpperLeft,
- overrideCoverage, blendSupportAllEquations);
+ return ASTLayout(location, binding, index, set, builtin, originUpperLeft);
}
for (;;) {
Token t = this->nextToken();
@@ -522,10 +496,6 @@
builtin = this->layoutInt();
} else if (t.fText == "origin_upper_left") {
originUpperLeft = true;
- } else if (t.fText == "override_coverage") {
- overrideCoverage = true;
- } else if (t.fText == "blend_support_all_equations") {
- blendSupportAllEquations = true;
} else {
this->error(t.fPosition, ("'" + t.fText +
"' is not a valid layout qualifier").c_str());
@@ -539,8 +509,7 @@
}
}
}
- return ASTLayout(location, binding, index, set, builtin, originUpperLeft, overrideCoverage,
- blendSupportAllEquations);
+ return ASTLayout(location, binding, index, set, builtin, originUpperLeft);
}
/* layout? (UNIFORM | CONST | IN | OUT | INOUT | LOWP | MEDIUMP | HIGHP | FLAT | NOPERSPECTIVE)* */
@@ -1242,11 +1211,10 @@
/* postfixExpression | (PLUS | MINUS | NOT | PLUSPLUS | MINUSMINUS) unaryExpression */
std::unique_ptr<ASTExpression> Parser::unaryExpression() {
switch (this->peek().fKind) {
- case Token::PLUS: // fall through
- case Token::MINUS: // fall through
- case Token::LOGICALNOT: // fall through
- case Token::BITWISENOT: // fall through
- case Token::PLUSPLUS: // fall through
+ case Token::PLUS: // fall through
+ case Token::MINUS: // fall through
+ case Token::NOT: // fall through
+ case Token::PLUSPLUS: // fall through
case Token::MINUSMINUS: {
Token t = this->nextToken();
std::unique_ptr<ASTExpression> expr = this->unaryExpression();
@@ -1286,16 +1254,12 @@
}
}
-/* LBRACKET expression? RBRACKET | DOT IDENTIFIER | LPAREN parameters RPAREN |
+/* LBRACKET expression RBRACKET | DOT IDENTIFIER | LPAREN parameters RPAREN |
PLUSPLUS | MINUSMINUS */
std::unique_ptr<ASTSuffix> Parser::suffix() {
Token next = this->nextToken();
switch (next.fKind) {
case Token::LBRACKET: {
- if (this->peek().fKind == Token::RBRACKET) {
- this->nextToken();
- return std::unique_ptr<ASTSuffix>(new ASTIndexSuffix(next.fPosition));
- }
std::unique_ptr<ASTExpression> e = this->expression();
if (!e) {
return nullptr;
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