Index: src/sksl/SkSLIRGenerator.h |
diff --git a/src/sksl/SkSLIRGenerator.h b/src/sksl/SkSLIRGenerator.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3d8e315ad041126b14ecf597f228b6225a762d1f |
--- /dev/null |
+++ b/src/sksl/SkSLIRGenerator.h |
@@ -0,0 +1,120 @@ |
+/* |
+ * Copyright 2016 Google Inc. |
+ * |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+#ifndef SKSL_IRGENERATOR |
+#define SKSL_IRGENERATOR |
+ |
+#include "SkSLErrorReporter.h" |
+#include "ast/SkSLASTBinaryExpression.h" |
+#include "ast/SkSLASTBlock.h" |
+#include "ast/SkSLASTBreakStatement.h" |
+#include "ast/SkSLASTCallSuffix.h" |
+#include "ast/SkSLASTContinueStatement.h" |
+#include "ast/SkSLASTDiscardStatement.h" |
+#include "ast/SkSLASTDoStatement.h" |
+#include "ast/SkSLASTExpression.h" |
+#include "ast/SkSLASTExpressionStatement.h" |
+#include "ast/SkSLASTExtension.h" |
+#include "ast/SkSLASTForStatement.h" |
+#include "ast/SkSLASTFunction.h" |
+#include "ast/SkSLASTIdentifier.h" |
+#include "ast/SkSLASTIfStatement.h" |
+#include "ast/SkSLASTInterfaceBlock.h" |
+#include "ast/SkSLASTModifiers.h" |
+#include "ast/SkSLASTPrefixExpression.h" |
+#include "ast/SkSLASTReturnStatement.h" |
+#include "ast/SkSLASTStatement.h" |
+#include "ast/SkSLASTSuffixExpression.h" |
+#include "ast/SkSLASTTernaryExpression.h" |
+#include "ast/SkSLASTVarDeclaration.h" |
+#include "ast/SkSLASTVarDeclarationStatement.h" |
+#include "ast/SkSLASTWhileStatement.h" |
+#include "ir/SkSLBlock.h" |
+#include "ir/SkSLExpression.h" |
+#include "ir/SkSLExtension.h" |
+#include "ir/SkSLFunctionDefinition.h" |
+#include "ir/SkSLInterfaceBlock.h" |
+#include "ir/SkSLModifiers.h" |
+#include "ir/SkSLSymbolTable.h" |
+#include "ir/SkSLStatement.h" |
+#include "ir/SkSLType.h" |
+#include "ir/SkSLTypeReference.h" |
+#include "ir/SkSLVarDeclaration.h" |
+ |
+namespace SkSL { |
+ |
+/** |
+ * Performs semantic analysis on an abstract syntax tree (AST) and produces the corresponding |
+ * (unoptimized) intermediate representation (IR). |
+ */ |
+class IRGenerator { |
+public: |
+ IRGenerator(std::shared_ptr<SymbolTable> root, ErrorReporter& errorReporter); |
dogben
2016/06/23 15:25:12
nit: if the caller will hang on to SymbolTable for
|
+ |
+ std::unique_ptr<VarDeclaration> convertVarDeclaration(ASTVarDeclaration& decl, |
dogben
2016/06/23 15:25:12
nit: document how each method will modify the AST
|
+ Variable::Storage storage); |
+ std::unique_ptr<FunctionDefinition> convertFunction(ASTFunction& f); |
+ std::unique_ptr<Statement> convertStatement(ASTStatement& statement); |
+ std::unique_ptr<Expression> convertExpression(ASTExpression& expression); |
+ |
+private: |
+ void pushSymbolTable(); |
+ void popSymbolTable(); |
+ |
+ std::shared_ptr<Type> convertType(ASTType& type); |
+ std::unique_ptr<Expression> call(Position position, |
+ std::shared_ptr<FunctionDeclaration> function, |
+ std::vector<std::unique_ptr<Expression>> parameters); |
dogben
2016/06/23 15:25:12
nit: s/parameters/arguments/, several places in th
|
+ bool determineCallCost(std::shared_ptr<FunctionDeclaration> function, |
+ std::vector<std::unique_ptr<Expression>>& parameters, |
+ int* outCost); |
+ std::unique_ptr<Expression> call(Position position, std::unique_ptr<Expression> function, |
+ std::vector<std::unique_ptr<Expression>> parameters); |
+ std::unique_ptr<Expression> coerce(std::unique_ptr<Expression> expr, |
+ std::shared_ptr<Type> type); |
+ std::unique_ptr<Block> convertBlock(ASTBlock& block); |
+ std::unique_ptr<Statement> convertBreak(ASTBreakStatement& b); |
+ std::unique_ptr<Expression> convertConstructor(Position position, |
+ std::shared_ptr<Type> type, |
+ std::vector<std::unique_ptr<Expression>> params); |
+ std::unique_ptr<Statement> convertContinue(ASTContinueStatement& c); |
+ std::unique_ptr<Statement> convertDiscard(ASTDiscardStatement& d); |
+ std::unique_ptr<Statement> convertDo(ASTDoStatement& d); |
+ std::unique_ptr<Expression> convertBinaryExpression(ASTBinaryExpression& expression); |
+ std::unique_ptr<Extension> convertExtension(ASTExtension& e); |
+ std::unique_ptr<Statement> convertExpressionStatement(ASTExpressionStatement& s); |
+ std::unique_ptr<Statement> convertFor(ASTForStatement& f); |
+ std::unique_ptr<Expression> convertIdentifier(ASTIdentifier& identifier); |
+ std::unique_ptr<Statement> convertIf(ASTIfStatement& s); |
+ std::unique_ptr<Expression> convertIndex(std::unique_ptr<Expression> base, |
+ ASTExpression& index); |
+ std::unique_ptr<InterfaceBlock> convertInterfaceBlock(ASTInterfaceBlock& s); |
+ Modifiers convertModifiers(const ASTModifiers& m); |
+ std::unique_ptr<Expression> convertPrefixExpression(ASTPrefixExpression& expression); |
+ std::unique_ptr<Statement> convertReturn(ASTReturnStatement& r); |
+ std::unique_ptr<Expression> convertSuffixExpression(ASTSuffixExpression& expression); |
+ std::unique_ptr<Expression> convertField(std::unique_ptr<Expression> base, std::string field); |
+ std::unique_ptr<Expression> convertSwizzle(std::unique_ptr<Expression> base, |
+ std::string fields); |
+ std::unique_ptr<Expression> convertTernaryExpression(ASTTernaryExpression& expression); |
+ std::unique_ptr<Statement> convertVarDeclarationStatement(ASTVarDeclarationStatement& s); |
+ std::unique_ptr<Statement> convertWhile(ASTWhileStatement& w); |
+ |
+ void markReadFrom(std::shared_ptr<Variable> var); |
+ void markWrittenTo(Expression& expr); |
+ |
+ std::shared_ptr<FunctionDeclaration> fCurrentFunction; |
+ std::shared_ptr<SymbolTable> fSymbolTable; |
+ ErrorReporter& fErrors; |
+ |
+ friend class AutoSymbolTable; |
+ friend class Compiler; |
+}; |
+ |
+} |
+ |
+#endif |