diff options
Diffstat (limited to 'src/mesa/shader/slang/MachineIndependent/SymbolTable.cpp')
| -rwxr-xr-x | src/mesa/shader/slang/MachineIndependent/SymbolTable.cpp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/MachineIndependent/SymbolTable.cpp b/src/mesa/shader/slang/MachineIndependent/SymbolTable.cpp new file mode 100755 index 0000000000..de9dfc1e8e --- /dev/null +++ b/src/mesa/shader/slang/MachineIndependent/SymbolTable.cpp @@ -0,0 +1,156 @@ +//
+//Copyright (C) 2002-2004 3Dlabs Inc. Ltd.
+//All rights reserved.
+//
+//Redistribution and use in source and binary forms, with or without
+//modification, are permitted provided that the following conditions
+//are met:
+//
+// Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+//
+// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+//POSSIBILITY OF SUCH DAMAGE.
+//
+
+//
+// Symbol table for parsing. Most functionaliy and main ideas
+// are documented in the header file.
+//
+
+#include "SymbolTable.h"
+
+//
+// TType helper function needs a place to live.
+//
+
+//
+// Recursively generate mangled names.
+//
+void TType::buildMangledName(TString& mangledName)
+{
+ if (isMatrix())
+ mangledName += 'm';
+ else if (isVector())
+ mangledName += 'v';
+
+ unsigned int i;
+
+ switch (type) {
+ case EbtFloat: mangledName += 'f'; break;
+ case EbtInt: mangledName += 'i'; break;
+ case EbtBool: mangledName += 'b'; break;
+ case EbtSampler1D: mangledName += "s1"; break;
+ case EbtSampler2D: mangledName += "s2"; break;
+ case EbtSampler3D: mangledName += "s3"; break;
+ case EbtSamplerCube: mangledName += "sC"; break;
+ case EbtSampler1DShadow: mangledName += "sS1"; break;
+ case EbtSampler2DShadow: mangledName += "sS2"; break;
+ case EbtStruct:
+ mangledName += "struct-";
+ mangledName += typeName;
+ for (i = 0; i < structure->size(); ++i) {
+ mangledName += '-';
+ (*structure)[i].type->buildMangledName(mangledName);
+ }
+ default:
+ break;
+ }
+
+ mangledName += static_cast<char>('0' + getNominalSize());
+ if (isArray()) {
+ char buf[10];
+ sprintf(buf, "%d", arraySize);
+ mangledName += '[';
+ mangledName += buf;
+ mangledName += ']';
+ }
+}
+
+//
+// Dump functions.
+//
+
+void TVariable::dump(TInfoSink& infoSink) const
+{
+ infoSink.debug << getName().c_str() << ": " << type.getQualifierString() << " " << type.getBasicString();
+ if (type.isArray()) {
+ infoSink.debug << "[0]";
+ }
+ infoSink.debug << "\n";
+}
+
+void TFunction::dump(TInfoSink &infoSink) const
+{
+ infoSink.debug << getName().c_str() << ": " << returnType.getBasicString() << " " << getMangledName().c_str() << "\n";
+}
+
+void TSymbolTableLevel::dump(TInfoSink &infoSink) const
+{
+ tLevel::const_iterator it;
+ for (it = level.begin(); it != level.end(); ++it)
+ (*it).second->dump(infoSink);
+}
+
+void TSymbolTable::dump(TInfoSink &infoSink) const
+{
+ for (int level = currentLevel(); level >= 0; --level) {
+ infoSink.debug << "LEVEL " << level << "\n";
+ table[level]->dump(infoSink);
+ }
+}
+
+//
+// Functions have buried pointers to delete.
+//
+TFunction::~TFunction()
+{
+ for (TParamList::iterator i = parameters.begin(); i != parameters.end(); ++i)
+ delete (*i).type;
+}
+
+//
+// Symbol table levels are a map of pointers to symbols that have to be deleted.
+//
+TSymbolTableLevel::~TSymbolTableLevel()
+{
+ for (tLevel::iterator it = level.begin(); it != level.end(); ++it)
+ delete (*it).second;
+}
+
+//
+// Change all function entries in the table with the non-mangled name
+// to be related to the provided built-in operation. This is a low
+// performance operation, and only intended for symbol tables that
+// live across a large number of compiles.
+//
+void TSymbolTableLevel::relateToOperator(const char* name, TOperator op)
+{
+ tLevel::iterator it;
+ for (it = level.begin(); it != level.end(); ++it) {
+ if ((*it).second->isFunction()) {
+ TFunction* function = static_cast<TFunction*>((*it).second);
+ if (function->getName() == name)
+ function->relateToOperator(op);
+ }
+ }
+}
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