OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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- scriptified the functions in a_possessed.cpp and added the needed exports and constants.

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- fixed: Script functions did not receive the function name when being created.
- relaxed the asserts for PARAM_STATE, because the VM knows nothing about ATAG_STATE. Any state variable's content (e.g. Actor.SeeState) will receive ATAG_GENERIC, rather than ATAG_STATE.
- added a 'NeedResult' flag so that certain operations can create shorter code if the result of the expression is not needed. So far only used for postdecrement/increment statements on local variables (which is the most frequent case where this matters.)
- fixed postincrement and decrement for local variables. Due to the result preservation semantics it created faulty code.
This commit is contained in:
Christoph Oelckers 2016-10-26 11:30:30 +02:00
commit 823c52aeb2
16 changed files with 246 additions and 170 deletions
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3
src/scripting/codegeneration/codegen.h
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@ -300,6 +300,7 @@ public:
PType *ValueType = nullptr;
bool isresolved = false;
bool NeedResult = true; // should be set to false if not needed and properly handled by all nodes for their subnodes to eliminate redundant code
EFxType ExprType;
};
@ -1246,7 +1247,7 @@ public:
FxSequence(const FScriptPosition &pos) : FxExpression(EFX_Sequence, pos) {}
FxExpression *Resolve(FCompileContext&);
ExpEmit Emit(VMFunctionBuilder *build);
void Add(FxExpression *expr) { if (expr != NULL) Expressions.Push(expr); }
void Add(FxExpression *expr) { if (expr != NULL) Expressions.Push(expr); expr->NeedResult = false; }
VMFunction *GetDirectFunction();
};