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Issue #181: added member variable access opcodes

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This commit is contained in:
Marc Zinnschlag 2012-06-07 13:56:49 +02:00
parent eb0be10e80
commit ce43ff8d05
3 changed files with 178 additions and 53 deletions
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8
components/interpreter/docs/vmformat.txt
View file

@ -121,5 +121,11 @@ op 58: report string literal index in stack[0];
additional arguments (if any) in stack[n]..stack[1];
n is determined according to the message string
all arguments are removed from stack
opcodes 59-33554431 unused
op 59: store stack[0] in member short stack[2] of object with ID stack[1]
op 60: store stack[0] in member long stack[2] of object with ID stack[1]
op 61: store stack[0] in member float stack[2] of object with ID stack[1]
op 62: replace stack[0] with member short stack[1] of object with ID stack[0]
op 63: replace stack[0] with member short stack[1] of object with ID stack[0]
op 64: replace stack[0] with member short stack[1] of object with ID stack[0]
opcodes 65-33554431 unused
opcodes 33554432-67108863 reserved for extensions

6
components/interpreter/installopcodes.cpp
View file

@ -40,6 +40,12 @@ namespace Interpreter
interpreter.installSegment5 (42, new OpFetchGlobalShort);
interpreter.installSegment5 (43, new OpFetchGlobalLong);
interpreter.installSegment5 (44, new OpFetchGlobalFloat);
interpreter.installSegment5 (59, new OpStoreMemberShort);
interpreter.installSegment5 (60, new OpStoreMemberLong);
interpreter.installSegment5 (61, new OpStoreMemberFloat);
interpreter.installSegment5 (62, new OpFetchMemberShort);
interpreter.installSegment5 (63, new OpFetchMemberLong);
interpreter.installSegment5 (64, new OpFetchMemberFloat);
// math
interpreter.installSegment5 (9, new OpAddInt<Type_Integer>);

115
components/interpreter/localopcodes.hpp
View file

@ -205,7 +205,120 @@ namespace Interpreter
runtime[0].mFloat = value;
}
};
class OpStoreMemberShort : public Opcode0
{
public:
virtual void execute (Runtime& runtime)
{
Type_Integer data = runtime[0].mInteger;
Type_Integer index = runtime[1].mInteger;
std::string id = runtime.getStringLiteral (index);
index = runtime[2].mInteger;
std::string variable = runtime.getStringLiteral (index);
runtime.getContext().setMemberShort (id, variable, data);
runtime.pop();
runtime.pop();
runtime.pop();
}
};
class OpStoreMemberLong : public Opcode0
{
public:
virtual void execute (Runtime& runtime)
{
Type_Integer data = runtime[0].mInteger;
Type_Integer index = runtime[1].mInteger;
std::string id = runtime.getStringLiteral (index);
index = runtime[2].mInteger;
std::string variable = runtime.getStringLiteral (index);
runtime.getContext().setMemberLong (id, variable, data);
runtime.pop();
runtime.pop();
runtime.pop();
}
};
class OpStoreMemberFloat : public Opcode0
{
public:
virtual void execute (Runtime& runtime)
{
Type_Integer index = runtime[0].mInteger;
std::string id = runtime.getStringLiteral (index);
Type_Float data = runtime[1].mFloat;
index = runtime[2].mInteger;
std::string variable = runtime.getStringLiteral (index);
runtime.getContext().setMemberFloat (id, variable, data);
runtime.pop();
runtime.pop();
runtime.pop();
}
};
class OpFetchMemberShort : public Opcode0
{
public:
virtual void execute (Runtime& runtime)
{
Type_Integer index = runtime[0].mInteger;
std::string id = runtime.getStringLiteral (index);
index = runtime[1].mInteger;
std::string variable = runtime.getStringLiteral (index);
runtime.pop();
index = runtime[0].mInteger;
int value = runtime.getContext().getMemberShort (id, variable);
runtime[0].mInteger = value;
}
};
class OpFetchMemberLong : public Opcode0
{
public:
virtual void execute (Runtime& runtime)
{
Type_Integer index = runtime[0].mInteger;
std::string id = runtime.getStringLiteral (index);
index = runtime[1].mInteger;
std::string variable = runtime.getStringLiteral (index);
runtime.pop();
index = runtime[0].mInteger;
int value = runtime.getContext().getMemberLong (id, variable);
runtime[0].mInteger = value;
}
};
class OpFetchMemberFloat : public Opcode0
{
public:
virtual void execute (Runtime& runtime)
{
Type_Integer index = runtime[0].mInteger;
std::string id = runtime.getStringLiteral (index);
index = runtime[1].mInteger;
std::string variable = runtime.getStringLiteral (index);
runtime.pop();
index = runtime[0].mInteger;
float value = runtime.getContext().getMemberFloat (id, variable);
runtime[0].mFloat = value;
}
};
}
#endif