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- added a dummy struct named '_' to define global variables. This can only be used internally.

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This method was chosen because it avoids adding variable declarations to the global namespace which would have required a lot more work while polluting the grammar.
This way the global variables can be handled by a small bit of special coding in the struct generator.
This commit is contained in:
Christoph Oelckers 2017-03-13 14:42:14 +01:00
commit cd392e50e9
15 changed files with 135 additions and 153 deletions
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7
src/scripting/vm/vm.h
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@ -1170,7 +1170,12 @@ struct AFuncDesc
MSVC_FSEG FieldDesc const *const VMField_##cls##_##scriptname##_HookPtr GCC_FSEG = &VMField_##cls##_##scriptname;
#define DEFINE_GLOBAL(name) \
static const FieldDesc VMGlobal_##name = { nullptr, #name, (intptr_t)&name, (unsigned)sizeof(name), 0 }; \
static const FieldDesc VMGlobal_##name = { "", #name, (intptr_t)&name, (unsigned)sizeof(name), 0 }; \
extern FieldDesc const *const VMGlobal_##name##_HookPtr; \
MSVC_FSEG FieldDesc const *const VMGlobal_##name##_HookPtr GCC_FSEG = &VMGlobal_##name;
#define DEFINE_GLOBAL_NAMED(iname, name) \
static const FieldDesc VMGlobal_##name = { "", #name, (intptr_t)&iname, (unsigned)sizeof(iname), 0 }; \
extern FieldDesc const *const VMGlobal_##name##_HookPtr; \
MSVC_FSEG FieldDesc const *const VMGlobal_##name##_HookPtr GCC_FSEG = &VMGlobal_##name;