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Dump.cpp
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5596 lines (5045 loc) · 173 KB
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/*
Copyright 2013 KLab Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "include.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "UTF8Parse.h"
class GCSupport {
public:
static void dumpMemberGC(Variable* var);
static void memberReleaseGC(Variable* var);
static void dumpStructGC(Variable* var, AbstractContainer* cnt);
static void structReleaseGC(Variable* var, AbstractContainer* cnt);
};
void GCSupport::dumpMemberGC(Variable* var)
{ printf("if (%s) { System::Memory::pushList(%s,0); }\n",var->getName(),var->getName()); }
void GCSupport::dumpStructGC(Variable* var, AbstractContainer* cnt)
{ printf("%s._processGC();\n",var->getName()); }
void GCSupport::memberReleaseGC(Variable* var)
{ printf("if (%s && !%s->isFreed()) { %s->_removeRef((System::__GCObject**)&%s); }\n",var->getName(),var->getName(),var->getName(),var->getName()); }
void GCSupport::structReleaseGC(Variable* var, AbstractContainer* cnt)
{ printf("%s._releaseGC();\n",var->getName()); }
//
// Dump Code.
//
void dumpWrapper(Expression* expr, bool safe = false);
void dumpAccessorWrappers(const char* pName, const char* pStrType, bool isNonNum, const char* testDiv, bool isEnum, bool isStatic, bool isNativePtr);
void dumpGlobalInitializerPrototype();
void dumpGlobalInitializerImplementation();
int depth = 0;
void tab() { for (int n=0; n < depth; n++) { printf(" "); } }
void dumpUtf8ToUniChar(const char* str) {
int len = strlen(str);
u16 dst[5000];
int count = toUtf16((const u8*)str, len, dst, 5000);
bool first = true;
int n=0;
while (n < count) {
if (!first) { printf(","); } else first = false;
printf("%i", dst[n]);
n++;
}
}
void exportConstants() {
StringID* p = gStrList;
while (p) {
if(p->m_isDumped) {
tab(); printf("/* %s */\n",p->m_str);
if(strcmp(p->m_str, "") != 0) {
tab(); printf("static const uniChar _$_cteStr%i[] = {",p->m_id); dumpUtf8ToUniChar(p->m_str); printf("};\n");
}
else {
// String is initialised with String::Empty
}
tab(); printf("static System::String* _$_cteStr%iObj;\n\n", p->m_id);
}
p = p->m_next;
}
dumpGlobalInitializerPrototype();
}
void exportInlineFiles(const char* outputPath, ClassDictionary* CD) {
// Export class prototypes
freopen(concat2(outputPath, "classPrototypes.inl"), "w", stdout);
exportNameSpaceHeader(gRootNameSpace, true);
// Export __InternalUtils::GetTypeID specializations
freopen(concat2(outputPath, "__InternalUtilsGetTypeID_specializations.inl"), "w", stdout);
const char* templateList = "template<> struct __InternalUtilsGetTypeID<<T>> { ";
const char* bodyCsteList = "static u32 getIt() { return _TYPE_USEROBJECT | <BODY>; }";
const char* templateEndList = " };";
templateClassSpecializationDumpForOneGenericType(&templateList, &bodyCsteList, &templateEndList, 1,
CD->classes, CD->IDs, CD->count);
}
void exportStatics(NameSpace* nSpace, const char* precNameSpace) {
char prefix[1000];
if (precNameSpace[0] != 0) {
sprintf(prefix,"%s%s::",precNameSpace, nSpace->getName());
} else {
if (nSpace->getName()[0]) {
sprintf(prefix,"%s::", nSpace->getName());
} else {
sprintf(prefix,"");
}
}
NameSpace* pCurrSpace = nSpace;
// Export all static
AbstractContainer** pCnt = pCurrSpace->m_pInner;
if (pCurrSpace->m_innerCount && (pCurrSpace->m_noDump == false)) {
for (int n=0; n < pCurrSpace->m_innerCount; n++) {
AbstractContainer* pAC = pCnt[n];
gCurrentAC = pAC;
for (int n=0; n < pAC->m_memberCount; n++) {
Variable* pVar = pAC->m_members[n];
if ((pVar->m_modifier & ATT_STATIC) != 0) {
if (pVar->m_expression) {
Expression::patchExpressionsForListExpressions(&pVar->m_expression, pVar->m_type);
pVar->m_expression->AnalysisAndTransform();
}
if (prefix[0]) {
printf("%s %s%s::%s;\n", pVar->m_type->dumpTypeForCode(NULL), prefix, pAC->getName(), pVar->getName());
} else {
printf("%s %s::%s;\n",pVar->m_type->dumpTypeForCode(NULL), pAC->getName(), pVar->getName());
}
// Analysis of expression for dependancy.
gCurrVar = pVar;
pVar->markSetupDependancy();
}
}
gCurrentAC = NULL;
exportStatics(pAC, prefix);
}
}
// Export inner name space first
NameSpace* p = pCurrSpace->m_pChildSpace;
while (p) { exportStatics(p,prefix); p = p->m_pNextSpace; }
}
void initStaticVar(Variable* pVar) {
printf(" = ");
if (pVar->m_expression) {
gStaticContextAC = pVar->m_ownerClass;
// Expression::analysisTransformAndDump(&pVar->m_expression, pVar->m_type);
pVar->m_expression->dumpExpression();
gStaticContextAC = NULL;
} else {
if (pVar->m_type->isGC_Able()) {
printf("NULL");
} else {
switch (pVar->m_type->m_typeID) {
case TYPE_SBYTE :
case TYPE_BYTE :
case TYPE_SHORT :
case TYPE_USHORT :
case TYPE_INT :
case TYPE_UINT :
case TYPE_LONG :
case TYPE_ULONG :
printf("0");
break;
case TYPE_CHAR :
printf("0");
break;
case TYPE_FLOAT :
printf("0.0f");
break;
case TYPE_DOUBLE :
printf("0.0");
break;
case TYPE_BOOL :
printf("false");
break;
case TYPE_INTPTR :
printf("NULL");
break;
default:
if (pVar->m_type->m_genreID == EGENRE::_ENUM) {
printf("(%s)0",pVar->m_type->getFullName(NULL));
} else {
compilerError(ERR_INTERNAL,"Error default GC type", pVar->m_line);
}
}
}
}
printf(";\n");
}
Variable* structNest[50]; // More than enough.
void setStaticsVarRec(int nestCount, Variable* pVar) {
AbstractContainer* pCls = pVar->m_ownerClass;
//
// Dump
//
SRSymbol v = pVar->m_type->getResolvedType(pCls);
AbstractContainer* cnt = (AbstractContainer*)v.pSymbol;
if (v.symbolType == EGENRE::_ABSTRACTCONTAINER && ((cnt)->m_modifier & ATT_STRUCT)) {
for (int n=0; n < cnt->m_memberCount; n++) {
Variable* pVarL = cnt->m_members[n];
structNest[nestCount] = pVarL;
setStaticsVarRec(nestCount+1, pVarL);
}
} else {
const char* pSrc = structNest[0]->m_ownerClass->getFullName(NULL); // From root
tab(); printf("%s::%s", pSrc, structNest[0]->m_name);
for (int m=1; m < nestCount; m++) {
printf(".%s", structNest[m]->m_name);
}
initStaticVar(structNest[nestCount-1]);
}
}
void setStatics() {
Variable* pVar;
//
// This system allow to solve dependancy between static / const C# expression and dump them in correct other.
//
while (pVar = gStaticDepMatrix->popIndependantVariable()) {
structNest[0] = pVar;
setStaticsVarRec(1, pVar);
}
}
void registerStaticsRec(int nestCount, char* prefix, AbstractContainer* pAC, Variable* v) {
AbstractContainer* localContainer;
if (v) {
localContainer = v->m_type->m_definitionAC;
} else {
localContainer = pAC;
}
//
// For nextCount >= 1 : Struct inheritance is not supported, just parse sub structures.
//
for (int n=0; n < localContainer->m_memberCount; n++) {
Variable* pVar = localContainer->m_members[n];
// First level variable are static,
// But deeper level are inside a struct and do NOT depend on static flag !
if ((((pVar->m_modifier & ATT_STATIC) != 0) && nestCount == 0) || (nestCount)) {
if (pVar->m_type->isGC_Able()) {
structNest[nestCount] = pVar;
tab(); printf("System::Memory::registerGCRoot(&%s%s::",prefix, pAC->getName());
for (int m=0; m <= nestCount; m++) {
if (m != 0) {
printf(".");
}
printf("%s", structNest[m]->m_name);
}
printf(");\n");
} else if (pVar->m_type->m_definitionAC && pVar->m_type->m_definitionAC->m_modifier & ATT_STRUCT) {
structNest[nestCount] = pVar;
registerStaticsRec(nestCount + 1, prefix, pAC, pVar);
}
}
}
}
void registerStatics(NameSpace* nSpace, const char* precNameSpace) {
if(nSpace->m_noDump) {
// Do not register the static members.
return;
}
char prefix[1000];
int strl = strlen(precNameSpace);
if (strl) {
sprintf(prefix,"%s%s::",precNameSpace,nSpace->getName());
} else if(strlen(nSpace->getName())){
sprintf(prefix,"%s::",nSpace->getName());
}
else {
sprintf(prefix,"");
}
NameSpace* pCurrSpace = nSpace;
// Export all static
AbstractContainer** pCnt = pCurrSpace->m_pInner;
if (pCurrSpace->m_innerCount) {
for (int n=0; n < pCurrSpace->m_innerCount; n++) {
AbstractContainer* pAC = pCnt[n];
registerStaticsRec(0, prefix,pAC,NULL);
registerStatics(pAC,prefix);
}
}
// Export inner name space first
NameSpace* p = pCurrSpace->m_pChildSpace;
while (p) { registerStatics(p,prefix); p = p->m_pNextSpace; }
}
void registerGCWorld(NameSpace* root, u32 compilerOptions) {
bool isFramework = (compilerOptions & COMPIL_IS_FRAMEWORK) != 0;
// Declate all static variables.
exportStatics(root,"");
dumpGlobalInitializerImplementation();
printf(isFramework ? "\n#include \"callbackDef.inl\"\n\nvoid initFrameworkStatic() {\n" : "\nvoid initAllStatic() {\n");
depth++;
setStatics();
depth--;
printf("}\n\n");
printf(isFramework ? "void initFramework() {\n" : "void registerWorldGC() {\n");
depth++;
if(compilerOptions & COMPIL_USE_FRAMEWORK) {
tab(); printf("initFramework();\n");
}
StringID* p = gStrList;
bool first = true;
while (p) {
if(p->m_isDumped) {
if (first) {
first = false;
tab(); printf("// Register Strings into the GC.\n");
}
if(strcmp(p->m_str, "") != 0) {
tab(); printf("_$_cteStr%iObj = CS_NEW System::String(_$_cteStr%i,sizeof(_$_cteStr%i) / sizeof(uniChar));\n",p->m_id,p->m_id,p->m_id);
tab(); printf("System::Memory::registerGCRoot(&_$_cteStr%iObj);\n\n",p->m_id);
}
else {
tab(); printf("System::__GCObject::_RefSetValue((System::__GCObject**)&_$_cteStr%iObj, System::String::Empty);\n",p->m_id);
// String::Empty is registered somewhere else
}
}
p = p->m_next;
}
printf("\n");
tab();
if(isFramework) {
printf("initFrameworkStatic();\n");
tab(); printf("initCallbacks();\n");
}
else {
printf("initAllStatic();\n");
}
printf("\n");
registerStatics(root,"");
printf("\n");
depth--;
printf("}\n");
}
const char* dotToColon(const char* str) {
char buf[500];
char* pStr = (char*)str;
char* pBuf = buf;
while(*pStr) {
if(*pStr == '.') {
for(int n = 0 ; n < 2 ; n++, pBuf++) {
*pBuf = ':';
}
pStr++;
}
else {
*(pBuf++) = *(pStr++);
}
}
*pBuf = 0;
return concat(buf);
}
void dumpUsings(NameSpace* nSpace) {
for(int n=0; n < nSpace->m_usingCount ; n++) {
if(strcmp(nSpace->m_usings[n], "System.Runtime") != 0 &&
strcmp(nSpace->m_usings[n], "System.Runtime.InteropServices") != 0 &&
strcmp(nSpace->m_usings[n], "System.Text") != 0) {
bool isSupported = (nSpace->resolve(nSpace->m_usings[n]) != NULL);
if(isSupported) {
tab(); printf("using namespace %s;\n", dotToColon(nSpace->m_usings[n]));
}
}
else {
// Special case : those namespaces are used in C#, but must not be dumped in C++.
}
}
printf("\n");
}
void dumpEnums(NameSpace* nSpace) {
for (int n=0; n < nSpace->m_enumCount; n++) {
Enum* pEnum = nSpace->m_enums[n];
if(pEnum->getType()->m_typeID == TYPE_LONG || pEnum->getType()->m_typeID == TYPE_ULONG) {
compilerError(ERR_NOT_SUPPORTED_YET, "Only byte, sbyte, short, ushort, int and uint types can be used for enums", pEnum->m_line);
continue;
}
tab(); printf("enum %s {\n", pEnum->getName());
Enum::EnumEntry* pEntry = pEnum->m_list;
depth++;
while (pEntry) {
tab();printf(pEntry->m_name);
if (pEntry->m_expression) {
printf(" = ");
Expression::analysisTransformAndDump(&pEntry->m_expression, pEnum->getType());
}
printf(",\n");
pEntry = pEntry->m_pNext;
}
tab(); printf("_ForceWORD_%s = 0x7FFFFFFF\n", pEnum->m_name);
depth--;
tab(); printf("};\n\n");
}
}
void dumpDelegatePrototypes(NameSpace* nSpace) {
for(int n=0 ; n < nSpace->m_delegateCount ; n++) {
Delegate* pDelegate = nSpace->m_delegates[n];
gCurrentMethod = pDelegate;
tab(); printf("class _Delegate_Base_%s;\n",pDelegate->getName());
tab(); printf("template <class TClass> class _DelegateI_%s;\n",pDelegate->getName());
tab(); printf("class _DelegateS_%s;\n",pDelegate->getName());
}
gCurrentMethod = NULL;
}
void dumpClassPrototypes(NameSpace* nSpace, bool forExport) {
AbstractContainer** pCnt = nSpace->m_pInner;
for (int n=0; n < nSpace->m_innerCount; n++) {
AbstractContainer* currCnt = pCnt[n];
if (currCnt->m_noDump == false || forExport) {
tab(); currCnt->dumpTemplateLabel();
if(currCnt->m_modifier & ATT_STRUCT) {
printf("struct %s;\n", currCnt->getName());
}
else {
printf("class %s;\n", currCnt->getName());
}
}
}
printf("\n");
}
void recursiveRegisterClassDependancy(NameSpace* pCurrSpace) {
if (pCurrSpace->getGenre() == EGENRE::_NAMESPACE || pCurrSpace->getGenre() == EGENRE::_ABSTRACTCONTAINER) {
if(pCurrSpace->m_noDump) {
// No registration
return;
}
NameSpace* p = pCurrSpace->m_pChildSpace;
while (p) { recursiveRegisterClassDependancy(p); p = p->m_pNextSpace; }
AbstractContainer** pCnt = pCurrSpace->m_pInner;
for (int n=0; n < pCurrSpace->m_innerCount; n++) {
AbstractContainer* currCnt = pCnt[n];
if (pCurrSpace->getGenre() == EGENRE::_ABSTRACTCONTAINER) {
gStaticDepMatrix->createDependancy(currCnt, (AbstractContainer*)pCurrSpace);
}
if (!currCnt->m_noDump) {
gStaticDepMatrix->registerAbstractContainer(currCnt);
for (int m=0; m < currCnt->m_inheritancesCount; m++) {
TypeObject* type = currCnt->m_inheritances[m];
type->getResolvedType(pCurrSpace);
AbstractContainer* pDep = type->m_definitionAC;
if(!pDep->isSubSystem()) {
gStaticDepMatrix->createDependancy(currCnt, pDep);
}
}
for (int m=0; m < currCnt->m_accessorCount; m++) {
TypeObject* type = currCnt->m_accessors[m]->m_type;
SRSymbol sr = type->getResolvedType(currCnt);
switch (sr.symbolType) {
case EGENRE::_ABSTRACTCONTAINER:
{
AbstractContainer* pCnt = (AbstractContainer*)sr.pSymbol;
if (pCnt->m_modifier & ATT_STRUCT) {
gStaticDepMatrix->createDependancy(currCnt, pCnt);
}
}
break;
}
}
for (int m=0; m < currCnt->m_memberCount; m++) {
TypeObject* type = currCnt->m_members[m]->m_type;
SRSymbol sr = type->getResolvedType(currCnt);
switch (sr.symbolType) {
case EGENRE::_ABSTRACTCONTAINER:
{
AbstractContainer* pCnt = (AbstractContainer*)sr.pSymbol;
if (pCnt->m_modifier & ATT_STRUCT) {
gStaticDepMatrix->createDependancy(currCnt, pCnt);
}
}
break;
}
}
// TODO Struct in func call.
if(currCnt->m_innerCount) {
recursiveRegisterClassDependancy(currCnt);
}
}
}
}
}
void exportPrototypes() {
// 1. Register all classes with dependancies
recursiveRegisterClassDependancy(gRootNameSpace);
// 2. Dump each class based on dependancy
AbstractContainer* pCnt;
while (pCnt = gStaticDepMatrix->popIndependantAbstractContainer()) {
pCnt->dumpPrototype(false);
}
if(gStaticDepMatrix->hasRemainingAC()) {
compilerError(ERR_INTERNAL, "Dependant classes remaining");
}
}
void dumpDelegates(const char* prefix, NameSpace* nSpace) {
int count;
for (count = 0; count < nSpace->m_delegateCount; count++) {
gCurrentMethod = nSpace->m_delegates[count];
nSpace->m_delegates[count]->dumpDefinition(prefix);
}
gCurrentMethod = NULL;
}
void exportRuntimeIncludes() {
printf("#include \"RuntimeLibrary/CS_Array.h\"\n");
printf("#include \"RuntimeLibrary/CS_Console.h\"\n");
printf("#include \"RuntimeLibrary/CS_Marshal.h\"\n");
printf("#include \"RuntimeLibrary/CS_Memory.h\"\n");
printf("#include \"RuntimeLibrary/CS_Object.h\"\n");
printf("#include \"RuntimeLibrary/CS_String.h\"\n");
printf("#include \"RuntimeLibrary/CS_System.h\"\n");
printf("#include \"RuntimeLibrary/Collections/Collections.h\"\n");
printf("#include \"RuntimeLibrary/Collections/Generic/CS_Dictionary.h\"\n");
printf("#include \"RuntimeLibrary/Collections/Generic/CS_List.h\"\n");
printf("#include \"RuntimeLibrary/Collections/Generic/Generic.h\"\n");
printf("#include \"RuntimeLibrary/InternalUtils.h\"\n");
printf("#include \"RuntimeLibrary/MarshallingUtils.h\"\n");
}
void exportFrameworkHeader(){
printf("#ifndef _FRAMEWORK_H\n");
printf("#define _FRAMEWORK_H\n\n");
exportRuntimeIncludes();
printf("#include \"ExportListC_Likefunction.h\"\n");
printf("\n");
}
void exportFrameworkFooter(){
printf("\nvoid initFramework();\n\n");
printf("class Program : public System::Object {\n");
depth++;
printf("public:\n");
tab(); printf("void _ctor_Program();\n\n");
tab(); printf("Program();\n");
tab(); printf("static void start();\n");
tab(); printf("virtual u32 _processGC();\n");
tab(); printf("virtual void _releaseGC();\n");
tab(); printf("virtual bool _isInstanceOf(u32 typeID);\n");
tab(); printf("virtual inline void _moveAlert(u32 offset);\n");
printf("private:\n");
tab(); printf("static const u32 _TYPEID = 0xFFFFFFFF;\n");
depth--;
printf("};\n\n");
printf("\n#endif // _FRAMEWORK_H\n\n");
}
void exportNameSpaceHeader(NameSpace* nSpace, bool forExport) {
NameSpace* pCurrSpace = nSpace;
bool hasNameSpace = strlen(pCurrSpace->getName()) != 0;
bool isDumped = (pCurrSpace->m_noDump == false) || (forExport && !nSpace->isSubSystem());
if (hasNameSpace && isDumped) { tab(); printf("namespace %s {\n", pCurrSpace->getName()); depth++; }
if(isDumped) {
//dumpUsings(nSpace);
if(!forExport) {
dumpEnums(nSpace);
}
dumpDelegatePrototypes(nSpace);
dumpClassPrototypes(nSpace, forExport);
}
// Export inner name space first
NameSpace* p = pCurrSpace->m_pChildSpace;
while (p) { exportNameSpaceHeader(p, forExport); p = p->m_pNextSpace; }
if (hasNameSpace && isDumped) { depth--; tab(); printf("}\n"); }
}
void exportNameSpaceImplementation(NameSpace* nSpace) {
#ifdef __FULLNAMES__
bool dumpName = false;
#else
bool dumpName = true;
#endif
NameSpace* pCurrSpace = nSpace;
bool hasNameSpace = strlen(pCurrSpace->getName()) != 0;
bool isDumped = (pCurrSpace->m_noDump == false);
if(isDumped) {
if (hasNameSpace && dumpName) { tab(); printf("namespace %s {\n", pCurrSpace->getName()); depth++; }
// Export inner name space first
NameSpace* p = pCurrSpace->m_pChildSpace;
while (p) { exportNameSpaceImplementation(p); p = p->m_pNextSpace; }
//dumpUsings(nSpace);
if (pCurrSpace->m_delegateCount) {
tab(); printf("//\n");
tab(); printf("// Delegate Implementation\n");
tab(); printf("//\n\n");
dumpDelegates(dumpName ? "" : nSpace->getFullName(gRootNameSpace), nSpace);
}
if (pCurrSpace->m_innerCount) {
tab(); printf("//\n");
tab(); printf("// Class/Struct Implementation\n");
tab(); printf("//\n\n");
}
AbstractContainer** pCnt = pCurrSpace->m_pInner;
for (int n=0; n < pCurrSpace->m_innerCount; n++) {
if (!pCnt[n]->m_noDump) {
tab(); printf("//=============================\n");
tab(); printf("// Implementation of '%s'\n",pCnt[n]->getName());
tab(); printf("//=============================\n\n");
gCurrentAC = pCnt[n];
pCnt[n]->dumpImplementation(dumpName ? "" : nSpace->getFullName(gRootNameSpace)); // Classes relative to current namespace.
gCurrentAC = NULL;
printf("\n");
}
}
// Phase 2 : Dump implementation.
if (hasNameSpace && dumpName) { depth--; tab(); printf("}\n"); }
}
}
void processDelegateAssignment(Expression*& expression,TypeObject* typeOfDelegate, bool assignDelegate) {
loop:
// Second resolve right side
expression->AnalysisAndTransform();
if(expression->m_expressionType == EXPR_CAST) {
expression->m_item = expression->m_expressions[expression->m_expressionCount - 1]->m_item;
}
// Third check right side
if (assignDelegate) {
if (expression->m_item.symbolType == EGENRE::_DELEGATE) {
// Do nothing, delegate operator created the delegate.
} else if (expression->m_item.symbolType == EGENRE::_METHOD) {
// Forbid for now to assign directly function to delegate
// Later version of the compiler could generate the missing new automatically.
switch(expression->m_expressionType) {
case EXPR_IDENT :
case EXPR_DOT:
if(expression->m_expressionType == EXPR_DOT && expression->m_expressions[0]->m_runtimeType->isGC_Able() == false) {
compilerError(ERR_USER, "Delegate assignments can use methods from pointer types only", expression->m_line);
return;
}
// Modify expression tree and patch.
// Generate the new.
expression = CreateSingleExpr(EXPR_NEW, CreateMultipleExpr(expression))->setType(typeOfDelegate);
goto loop;
case EXPR_CAST:
if(expression->m_expressions[expression->m_expressionCount - 1]->isMethodAsDelegate()) {
processDelegateAssignment(expression->m_expressions[1], expression->m_runtimeType, assignDelegate);
expression->m_expressions[expression->m_expressionCount - 1]->m_hasParenthesis = true;
goto loop;
}
break;
default:
// Else call to a function returned a delegate.
break;
}
} else if ((expression->m_item.symbolType == EGENRE::_VARIABLE) || (expression->m_item.symbolType == EGENRE::_MEMBER)) {
// Do nothing
// Delegate a = v; // v is a variable or member.
} else if (expression->m_expressionType == EXPR_CTE) {
// Do nothing
// => Stick NULL.
} else {
if (expression->m_runtimeType->m_genreID == EGENRE::_DELEGATE) {
// Do nothing, new operator created the delegate.
} else {
compilerError(ERR_INTERNAL, "Delegate was not wrapped properly", expression->m_line);
}
}
}
}
Statement* Statement::wrapCaseBody() {
bool hasLocalVariable = false;
Statement* pInstruction = this;
while(pInstruction && !hasLocalVariable) {
if(pInstruction->m_statementType == STM_LOCALVAR) {
hasLocalVariable = true;
}
pInstruction = pInstruction->m_pNext;
}
if(hasLocalVariable) {
return CreateStatement(STM_BLOCK, NULL, this);
}
return this;
}
void Statement::analysis(bool processBrother) {
// Force to stop recursion, without test each
if (this == NULL) { return; }
Statement* p = m_pChild;
switch (m_statementType) {
case STM_UNDEFINED:
compilerError(ERR_INTERNAL, "Invalid Statement here", m_line);
break;
case STM_BLOCK:
gCurrentSD = gCurrentSD->addDictionary();
depth++;
p->analysis();
depth--;
gCurrentSD = gCurrentSD->removeDictionary();
break;
case STM_NILWRAPPER:
// Use by STM_FOR and act only as a "wrapper" to maintain order.
p->analysis();
break;
case STM_NULL:
break;
case STM_LABEL:
m_pChild->analysis();
break;
case STM_LOCAL_PERVAR:
if (m_expr) {
m_expr->AnalysisAndTransform();
}
break;
case STM_LOCALVAR:
{
// Forbid variable usage as long as not assigned.
Variable* pVar = this->m_vars;
while (pVar) {
gCurrentSD->addVariable(pVar);
pVar->m_ignoreDelegate = true;
pVar = pVar->m_pNextVariable;
}
Statement* pCaseCode = p->m_pChild;
while (p) {
// Copy the flag here.
p->m_bConstant = m_bConstant;
p->analysis(false);
p = p->m_pNext;
}
// Allow variable usage.
pVar = this->m_vars;
while (pVar) {
pVar->m_ignoreDelegate = false;
pVar = pVar->m_pNextVariable;
}
}
break;
case STM_WRAP_EXP: m_expr->AnalysisAndTransform(); break;
case STM_ASSIGN_EXPR: m_expr->AnalysisAndTransform(); break;
case STM_WRAPPER_POSTINCR: m_expr->AnalysisAndTransform(); break;
case STM_WRAPPER_POSTDECR: m_expr->AnalysisAndTransform(); break;
case STM_WRAPPER_PREINCR: m_expr->AnalysisAndTransform(); break;
case STM_WRAPPER_PREDECR: m_expr->AnalysisAndTransform(); break;
case STM_IF:
{
m_expr->AnalysisAndTransform();
// If code
p->analysis(false);
// else code
p = p->m_pNext;
if (p) {
p->analysis(false);
}
}
break;
case STM_SWITCH:
m_expr->AnalysisAndTransform();
if(m_expr->m_runtimeType->m_typeID == TYPE_STRING) {
compilerError(ERR_NOT_SUPPORTED_YET, "Switch statements with strings are not supported at the moment", m_line);
}
{
int count = 0;
Statement* pCaseCode = p->m_pChild;
while (p) {
//
// Dump Case inner code WHEN case list is completed.
//
if (pCaseCode != p->m_pChild) {
pCaseCode->analysis(true);
pCaseCode = p->m_pChild;
}
if (p->m_statementType == STM_CASE) {
p->m_counter = count++;
p->m_expr->AnalysisAndTransform();
}
p = p->m_pNext;
}
// Code for last case list block.
depth++;
pCaseCode->analysis(true);
depth--;
// Second loop to get the label number of the expressions referenced in the gotocases.
p = m_pChild; // Pointer roaming the cases of the switch
while(p) {
gCurrentSD = gCurrentSD->addDictionary();
Statement* pInstruction = p->m_pChild; // Pointer roaming the instructions of the case
if(pInstruction && pInstruction->m_statementType != STM_BLOCK) {
// Wrap case instruction into a block to be compatible with C++ if it contains local variables
p->m_pChild = pInstruction->wrapCaseBody();
}
while(pInstruction) {
if (pInstruction->m_statementType == STM_GOTOCASE) {
pInstruction->m_expr->AnalysisAndTransform();
// Fetch the corresponding case
Statement* pCase = m_pChild;
bool matched = false;
while(pCase && !matched) {
if(pInstruction->m_expr->m_expressionType == EXPR_CTE) { // Constant --> compare values
matched = pCase->m_expr->compareValues(pInstruction->m_expr);
}
else { // Enum --> compare texts
matched = (strcmp(pCase->m_expr->m_text, pInstruction->m_expr->m_text) == 0);
}
if(!matched) {
pCase = pCase->m_pNext;
}
}
if(matched) {
pInstruction->m_counter = pCase->m_counter;
}
else {
compilerError(ERR_USER, "Case not found", pInstruction->m_line);
}
}
pInstruction = pInstruction->m_pNext;
}
gCurrentSD = gCurrentSD->removeDictionary();
p = p->m_pNext;
}
}
break;
case STM_GOTOCASE:
m_expr->AnalysisAndTransform();
break;
case STM_GOTODEFAULT:
break;
case STM_CASE:
// Nothing to do --> See Switch implementation.
break;
case STM_CASEDEFAULT:
// Nothing to do --> See Switch implementation.
break;
case STM_UNSAFE:
{
bool unsafe = g_unsafe;
g_unsafe = true;
m_pChild->analysis();
g_unsafe = unsafe;
}
break;
case STM_WHILE:
this->m_expr->AnalysisAndTransform();
this->m_pChild->analysis();
break;
case STM_DOWHILE:
this->m_pChild->analysis();
this->m_expr->AnalysisAndTransform();
break;
case STM_FOR:
// Expr : condition opt
{
gCurrentSD = gCurrentSD->addDictionary();
Statement* p = m_pChild;
p->analysis(false);
this->m_expr->AnalysisAndTransform();
p = p->m_pNext;
p->analysis(false);
p = p->m_pNext;
p->analysis(false);
gCurrentSD = gCurrentSD->removeDictionary();
}
break;
case STM_FOREACH:
break;
case STM_BREAK:
break;
case STM_CONTINUE:
break;
case STM_GOTO:
break;
case STM_RETURN:
{
TypeObject* typeOfDelegate = NULL;
bool assignDelegate = false;
if (m_expr) {
m_expr->AnalysisAndTransform();
if ((m_expr->m_item.symbolType == EGENRE::_METHOD) && (m_expr->m_expressionType != EXPR_INVOKE)) {
assignDelegate = true;
typeOfDelegate = gReturnType;
processDelegateAssignment(m_expr,typeOfDelegate, assignDelegate);
}
}
}
break;
case STM_THROW:
if (m_expr) {
m_expr->AnalysisAndTransform();
}
break;
case STM_TRY:
// First child is code
depth++;
p->analysis();
depth--;
// Parse the list of CATCH / FINALLY
{
Statement* p2 = m_pNext;
bool firstCatch = true;
while (p2 && (p2->m_statementType == STM_CATCH || p2->m_statementType == STM_FINALLY)) {
depth++;
gCurrentSD = gCurrentSD->addDictionary();
if(p2->lbl) {
p2->m_type->getResolvedType(gCurrentAC);
Variable* exception = CreateVarInstance(p2->lbl);
exception->m_type = p2->m_type;
gCurrentSD->addVariable(exception);
}
p2->m_pChild->analysis();
gCurrentSD = gCurrentSD->removeDictionary();
depth--;
p2 = p2->m_pNext;
}
}
break;
case STM_CATCH:
case STM_FINALLY:
//
// Do nothing, See STM_TRY
//
break;
case STM_CHECKED:
case STM_UNCHECKED:
// Unsupported, generate compiler error in parser for CHECKED, jump dump sub expression in C++
p->analysis();
break;
case STM_LOCK:
// Unsupported, generate compiler error in parser for LOCK.
break;
case STM_USING:
// Unsupported, generate compiler error in parser for USING as statement.