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Simplify code dealing with enum prefix

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Use enum_prefix_, ending with "_" if it's not empty, as it can be used
unconditionally instead of having to check whether it's null every time
first.

No real changes, this is just a simplification.
This commit is contained in:
Vadim Zeitlin 2021-11-27 18:47:19 +01:00
commit e8cb7cc952
1 changed files with 7 additions and 16 deletions
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23
Source/Modules/c.cxx
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@ -1022,8 +1022,8 @@ class C:public Language {
// Name of the output header, set in top().
String *outfile_h;
// Used only while generating wrappers for an enum and contains the prefix to use for enum elements if non-null.
String *enum_prefix;
// Used only while generating wrappers for an enum and contains the prefix, ending with underscore, to use for enum elements or is empty.
scoped_dohptr enum_prefix_;
// Used only while generating wrappers for an enum, as we don't know if enum will have any elements or not in advance and we must not generate an empty enum,
// so we accumulate the full declaration here and then write it to sect_wrappers_types at once only if there are any elements.
@ -2416,6 +2416,7 @@ public:
}
Printv(enum_decl, "enum", NIL);
String* enum_prefix;
if (Node* const klass = getCurrentClass()) {
enum_prefix = get_c_proxy_name(klass);
} else {
@ -2444,6 +2445,8 @@ public:
}
}
enum_prefix_ = enum_prefix ? NewStringf("%s_", enum_prefix) : NewStringEmpty();
Printv(enum_decl, " {\n", NIL);
int const len_orig = Len(enum_decl);
@ -2456,18 +2459,13 @@ public:
Printv(enum_decl, "\n}", NIL);
if (tdname) {
if (enum_prefix) {
Printv(enum_decl, " ", enum_prefix, "_", tdname, NIL);
} else {
Printv(enum_decl, " ", tdname, NIL);
}
Printv(enum_decl, " ", enum_prefix_.get(), tdname, NIL);
}
Printv(enum_decl, ";\n\n", NIL);
Append(sect_wrappers_types, enum_decl);
}
enum_prefix = NULL;
Delete(enum_decl);
return SWIG_OK;
@ -2485,15 +2483,8 @@ public:
if (!GetFlag(n, "firstenumitem"))
Printv(enum_decl, ",\n", NIL);
maybe_owned_dohptr wname;
String* const symname = Getattr(n, "sym:name");
if (enum_prefix) {
wname.assign_owned(NewStringf("%s_%s", enum_prefix, symname));
} else {
wname.assign_non_owned(symname);
}
Printv(enum_decl, cindent, wname.get(), NIL);
Printv(enum_decl, cindent, enum_prefix_.get(), symname, NIL);
// We only use "enumvalue", which comes from the input, and not "enumvalueex" synthesized by SWIG itself because C should use the correct value for the enum
// items without an explicit one anyhow (and "enumvalueex" can't be always used as is in C code for enum elements inside a class or even a namespace).