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move prototype instantiation IL documentation to ALL_TEMPLATE_INFO_IN_IL, fix for [GH #81] #263

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move prototype instantiation IL documentation to ALL_TEMPLATE_INFO_IN_IL, fix for [GH #81] #263

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36 changes: 23 additions & 13 deletions src/host_envir.h
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Original file line number Diff line number Diff line change
Expand Up @@ -725,12 +725,22 @@ slower.
#endif /* IL_SHOULD_BE_WRITTEN_TO_FILE */

/*
When this flag is TRUE, any prototype instantiations of function definitions
that are done are included in the IL. When the flag is FALSE, prototype
instantiations of function definitions may or may not be done, depending
on other modes, but the definition generated (if any) will not be included
in the IL. If PROTOTYPE_INSTANTIATIONS_IN_IL is already defined, use that
as the basis of the value for this flag.
A prototype instantiation results from parsing and analyzing a template
without substituting actual template argument entities for the formal
parameters. This flag should be set to TRUE if such structured but abstract
representations should be recorded in the IL. (It is typically not needed
for direct code generation.) When this flag is TRUE, any prototype
instantiations of function definitions that are done are included in the IL.
When the flag is FALSE, prototype instantiations of function definitions may
or may not be done, depending on other modes, but the definition generated
(if any) will not be included in the IL. It is the default value of the
variable all_template_info_in_il, except when doing IL lowering, where that
variable is set from prototype_instantiations_in_il instead. Note that
prototype instantiations cannot be generated when doing IL lowering.

This flag replaces the legacy macro PROTOTYPE_INSTANTIATIONS_IN_IL. If
PROTOTYPE_INSTANTIATIONS_IN_IL is already defined, use that as the basis of
the value for this flag; otherwise, the default is FALSE.
*/
#ifndef ALL_TEMPLATE_INFO_IN_IL
#ifdef PROTOTYPE_INSTANTIATIONS_IN_IL
Expand All @@ -745,13 +755,13 @@ as the basis of the value for this flag.
#endif /* ifndef ALL_TEMPLATE_INFO_IN_IL */

/*
A prototype instantiation results from parsing and analyzing a template
without substituting actual template argument entities for the formal
parameters. This flag should be set to TRUE if such structured but abstract
representations should be recorded in the IL. (It is typically not needed
for direct code generation.) It is the default value of the variable
prototype_instantiations_in_il. Note that prototype instantiations cannot
be generated when doing IL lowering.
PROTOTYPE_INSTANTIATIONS_IN_IL is the legacy macro for recording prototype
instantiations in the IL; see ALL_TEMPLATE_INFO_IN_IL above, which is the
current macro. If PROTOTYPE_INSTANTIATIONS_IN_IL is defined before
ALL_TEMPLATE_INFO_IN_IL is set, its value becomes the default for
ALL_TEMPLATE_INFO_IN_IL. The default of TRUE supplied here does not affect
ALL_TEMPLATE_INFO_IN_IL, which has already been set. This macro is the
default value of the variable prototype_instantiations_in_il.

This flag must now be set to TRUE. The flag and the tests that use it
will be removed at some point.
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