OrdinaryMagician/vkdoom_m
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- process most of the remaining statement types.

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- extend assignment operations to handle local variables (untested.)
- make the implicit function arguments read only.
This commit is contained in:
Christoph Oelckers 2016-10-21 01:12:54 +02:00
commit 9f99ca4788
8 changed files with 275 additions and 40 deletions
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25
src/scripting/codegeneration/codegen.h
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@ -85,6 +85,7 @@ struct FCompileContext
void HandleJumps(int token, FxExpression *handler);
void CheckReturn(PPrototype *proto, FScriptPosition &pos);
FxLocalVariableDeclaration *FindLocalVariable(FName name);
};
//==========================================================================
@ -198,7 +199,7 @@ struct ExpEmit
void Free(VMFunctionBuilder *build);
void Reuse(VMFunctionBuilder *build);
BYTE RegNum, RegType, Konst:1, Fixed:1, Final:1;
BYTE RegNum, RegType, Konst:1, Fixed:1, Final:1, Target:1;
};
//==========================================================================
@ -964,6 +965,24 @@ public:
ExpEmit Emit(VMFunctionBuilder *build);
};
//==========================================================================
//
// FxLocalVariable
//
//==========================================================================
class FxLocalVariable : public FxExpression
{
public:
FxLocalVariableDeclaration *Variable;
bool AddressRequested;
FxLocalVariable(FxLocalVariableDeclaration*, const FScriptPosition&);
FxExpression *Resolve(FCompileContext&);
bool RequestAddress(bool *writable);
ExpEmit Emit(VMFunctionBuilder *build);
};
//==========================================================================
//
// FxSelf
@ -1382,13 +1401,15 @@ public:
class FxLocalVariableDeclaration : public FxExpression
{
friend class FxCompoundStatement;
friend class FxLocalVariable;
FName Name;
FxExpression *Init;
int VarFlags;
public:
int RegNum = -1;
FxLocalVariableDeclaration(PType *type, FName name, FxExpression *initval, const FScriptPosition &p);
FxLocalVariableDeclaration(PType *type, FName name, FxExpression *initval, int varflags, const FScriptPosition &p);
FxExpression *Resolve(FCompileContext&);
ExpEmit Emit(VMFunctionBuilder *build);
void Release(VMFunctionBuilder *build);