summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/angle/src/compiler/ParseHelper.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/angle/src/compiler/ParseHelper.h')
-rw-r--r--src/3rdparty/angle/src/compiler/ParseHelper.h140
1 files changed, 140 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/ParseHelper.h b/src/3rdparty/angle/src/compiler/ParseHelper.h
new file mode 100644
index 0000000000..824ee00f39
--- /dev/null
+++ b/src/3rdparty/angle/src/compiler/ParseHelper.h
@@ -0,0 +1,140 @@
+//
+// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+#ifndef _PARSER_HELPER_INCLUDED_
+#define _PARSER_HELPER_INCLUDED_
+
+#include "compiler/Diagnostics.h"
+#include "compiler/DirectiveHandler.h"
+#include "compiler/localintermediate.h"
+#include "compiler/preprocessor/new/Preprocessor.h"
+#include "compiler/ShHandle.h"
+#include "compiler/SymbolTable.h"
+
+struct TMatrixFields {
+ bool wholeRow;
+ bool wholeCol;
+ int row;
+ int col;
+};
+
+//
+// The following are extra variables needed during parsing, grouped together so
+// they can be passed to the parser without needing a global.
+//
+struct TParseContext {
+ TParseContext(TSymbolTable& symt, TExtensionBehavior& ext, TIntermediate& interm, ShShaderType type, ShShaderSpec spec, int options, bool checksPrecErrors, const char* sourcePath, TInfoSink& is) :
+ intermediate(interm),
+ symbolTable(symt),
+ shaderType(type),
+ shaderSpec(spec),
+ compileOptions(options),
+ sourcePath(sourcePath),
+ treeRoot(0),
+ lexAfterType(false),
+ loopNestingLevel(0),
+ structNestingLevel(0),
+ inTypeParen(false),
+ currentFunctionType(NULL),
+ functionReturnsValue(false),
+ checksPrecisionErrors(checksPrecErrors),
+ diagnostics(is),
+ directiveHandler(ext, diagnostics),
+ preprocessor(&diagnostics, &directiveHandler),
+ scanner(NULL) { }
+ TIntermediate& intermediate; // to hold and build a parse tree
+ TSymbolTable& symbolTable; // symbol table that goes with the language currently being parsed
+ ShShaderType shaderType; // vertex or fragment language (future: pack or unpack)
+ ShShaderSpec shaderSpec; // The language specification compiler conforms to - GLES2 or WebGL.
+ int compileOptions;
+ const char* sourcePath; // Path of source file or NULL.
+ TIntermNode* treeRoot; // root of parse tree being created
+ bool lexAfterType; // true if we've recognized a type, so can only be looking for an identifier
+ int loopNestingLevel; // 0 if outside all loops
+ int structNestingLevel; // incremented while parsing a struct declaration
+ bool inTypeParen; // true if in parentheses, looking only for an identifier
+ const TType* currentFunctionType; // the return type of the function that's currently being parsed
+ bool functionReturnsValue; // true if a non-void function has a return
+ bool checksPrecisionErrors; // true if an error will be generated when a variable is declared without precision, explicit or implicit.
+ TString HashErrMsg;
+ bool AfterEOF;
+ TDiagnostics diagnostics;
+ TDirectiveHandler directiveHandler;
+ pp::Preprocessor preprocessor;
+ void* scanner;
+
+ int numErrors() const { return diagnostics.numErrors(); }
+ TInfoSink& infoSink() { return diagnostics.infoSink(); }
+ void error(TSourceLoc loc, const char *reason, const char* token,
+ const char* extraInfo="");
+ void warning(TSourceLoc loc, const char* reason, const char* token,
+ const char* extraInfo="");
+ void trace(const char* str);
+ void recover();
+
+ bool parseVectorFields(const TString&, int vecSize, TVectorFields&, int line);
+ bool parseMatrixFields(const TString&, int matSize, TMatrixFields&, int line);
+
+ bool reservedErrorCheck(int line, const TString& identifier);
+ void assignError(int line, const char* op, TString left, TString right);
+ void unaryOpError(int line, const char* op, TString operand);
+ void binaryOpError(int line, const char* op, TString left, TString right);
+ bool precisionErrorCheck(int line, TPrecision precision, TBasicType type);
+ bool lValueErrorCheck(int line, const char* op, TIntermTyped*);
+ bool constErrorCheck(TIntermTyped* node);
+ bool integerErrorCheck(TIntermTyped* node, const char* token);
+ bool globalErrorCheck(int line, bool global, const char* token);
+ bool constructorErrorCheck(int line, TIntermNode*, TFunction&, TOperator, TType*);
+ bool arraySizeErrorCheck(int line, TIntermTyped* expr, int& size);
+ bool arrayQualifierErrorCheck(int line, TPublicType type);
+ bool arrayTypeErrorCheck(int line, TPublicType type);
+ bool arrayErrorCheck(int line, TString& identifier, TPublicType type, TVariable*& variable);
+ bool voidErrorCheck(int, const TString&, const TPublicType&);
+ bool boolErrorCheck(int, const TIntermTyped*);
+ bool boolErrorCheck(int, const TPublicType&);
+ bool samplerErrorCheck(int line, const TPublicType& pType, const char* reason);
+ bool structQualifierErrorCheck(int line, const TPublicType& pType);
+ bool parameterSamplerErrorCheck(int line, TQualifier qualifier, const TType& type);
+ bool nonInitConstErrorCheck(int line, TString& identifier, TPublicType& type, bool array);
+ bool nonInitErrorCheck(int line, TString& identifier, TPublicType& type, TVariable*& variable);
+ bool paramErrorCheck(int line, TQualifier qualifier, TQualifier paramQualifier, TType* type);
+ bool extensionErrorCheck(int line, const TString&);
+
+ const TExtensionBehavior& extensionBehavior() const { return directiveHandler.extensionBehavior(); }
+ bool supportsExtension(const char* extension);
+ void handleExtensionDirective(int line, const char* extName, const char* behavior);
+
+ const TPragma& pragma() const { return directiveHandler.pragma(); }
+ void handlePragmaDirective(int line, const char* name, const char* value);
+
+ bool containsSampler(TType& type);
+ bool areAllChildConst(TIntermAggregate* aggrNode);
+ const TFunction* findFunction(int line, TFunction* pfnCall, bool *builtIn = 0);
+ bool executeInitializer(TSourceLoc line, TString& identifier, TPublicType& pType,
+ TIntermTyped* initializer, TIntermNode*& intermNode, TVariable* variable = 0);
+ bool arraySetMaxSize(TIntermSymbol*, TType*, int, bool, TSourceLoc);
+
+ TIntermTyped* addConstructor(TIntermNode*, const TType*, TOperator, TFunction*, TSourceLoc);
+ TIntermTyped* foldConstConstructor(TIntermAggregate* aggrNode, const TType& type);
+ TIntermTyped* constructStruct(TIntermNode*, TType*, int, TSourceLoc, bool subset);
+ TIntermTyped* constructBuiltIn(const TType*, TOperator, TIntermNode*, TSourceLoc, bool subset);
+ TIntermTyped* addConstVectorNode(TVectorFields&, TIntermTyped*, TSourceLoc);
+ TIntermTyped* addConstMatrixNode(int , TIntermTyped*, TSourceLoc);
+ TIntermTyped* addConstArrayNode(int index, TIntermTyped* node, TSourceLoc line);
+ TIntermTyped* addConstStruct(TString& , TIntermTyped*, TSourceLoc);
+
+ // Performs an error check for embedded struct declarations.
+ // Returns true if an error was raised due to the declaration of
+ // this struct.
+ bool enterStructDeclaration(TSourceLoc line, const TString& identifier);
+ void exitStructDeclaration();
+
+ bool structNestingErrorCheck(TSourceLoc line, const TType& fieldType);
+};
+
+int PaParseStrings(int count, const char* const string[], const int length[],
+ TParseContext* context);
+
+#endif // _PARSER_HELPER_INCLUDED_