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Re-organise parser grammar for initializer rules

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Simply split initializer into const_cpp and initializer
This commit is contained in:
William S Fulton 2017-08-26 23:23:54 +01:00
commit 8227c02267
1 changed files with 30 additions and 43 deletions
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73
Source/CParse/parser.y
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@ -3090,7 +3090,7 @@ c_declaration : c_decl {
A C global declaration of some kind (may be variable, function, typedef, etc.)
------------------------------------------------------------ */
c_decl : storage_class type declarator initializer c_decl_tail {
c_decl : storage_class type declarator cpp_const initializer c_decl_tail {
String *decl = $3.type;
$$ = new_node("cdecl");
if ($4.qualifier)
@ -3101,26 +3101,26 @@ c_decl : storage_class type declarator initializer c_decl_tail {
Setattr($$,"name",$3.id);
Setattr($$,"decl",decl);
Setattr($$,"parms",$3.parms);
Setattr($$,"value",$4.val);
Setattr($$,"value",$5.val);
Setattr($$,"throws",$4.throws);
Setattr($$,"throw",$4.throwf);
Setattr($$,"noexcept",$4.nexcept);
if ($4.val && $4.type) {
if ($5.val && $5.type) {
/* store initializer type as it might be different to the declared type */
SwigType *valuetype = NewSwigType($4.type);
SwigType *valuetype = NewSwigType($5.type);
if (Len(valuetype) > 0)
Setattr($$,"valuetype",valuetype);
else
Delete(valuetype);
}
if (!$5) {
if (!$6) {
if (Len(scanner_ccode)) {
String *code = Copy(scanner_ccode);
Setattr($$,"code",code);
Delete(code);
}
} else {
Node *n = $5;
Node *n = $6;
/* Inherit attributes */
while (n) {
String *type = Copy($2);
@ -3130,8 +3130,8 @@ c_decl : storage_class type declarator initializer c_decl_tail {
Delete(type);
}
}
if ($4.bitfield) {
Setattr($$,"bitfield", $4.bitfield);
if ($5.bitfield) {
Setattr($$,"bitfield", $5.bitfield);
}
if ($3.id) {
@ -3146,18 +3146,18 @@ c_decl : storage_class type declarator initializer c_decl_tail {
String *lstr = Swig_scopename_last($3.id);
Setattr($$, "name", lstr);
Delete(lstr);
set_nextSibling($$, $5);
set_nextSibling($$, $6);
} else {
Delete($$);
$$ = $5;
$$ = $6;
}
Delete(p);
} else {
Delete($$);
$$ = $5;
$$ = $6;
}
} else {
set_nextSibling($$, $5);
set_nextSibling($$, $6);
}
} else {
Swig_error(cparse_file, cparse_line, "Missing symbol name for global declaration\n");
@ -3166,7 +3166,7 @@ c_decl : storage_class type declarator initializer c_decl_tail {
}
/* Alternate function syntax introduced in C++11:
auto funcName(int x, int y) -> int; */
| storage_class AUTO declarator cpp_const ARROW cpp_alternate_rettype initializer c_decl_tail {
| storage_class AUTO declarator cpp_const ARROW cpp_alternate_rettype cpp_const initializer c_decl_tail {
$$ = new_node("cdecl");
if ($4.qualifier) SwigType_push($3.type, $4.qualifier);
Setattr($$,"refqualifier",$4.refqualifier);
@ -3179,14 +3179,14 @@ c_decl : storage_class type declarator initializer c_decl_tail {
Setattr($$,"throws",$4.throws);
Setattr($$,"throw",$4.throwf);
Setattr($$,"noexcept",$4.nexcept);
if (!$8) {
if (!$9) {
if (Len(scanner_ccode)) {
String *code = Copy(scanner_ccode);
Setattr($$,"code",code);
Delete(code);
}
} else {
Node *n = $8;
Node *n = $9;
while (n) {
String *type = Copy($6);
Setattr(n,"type",type);
@ -3207,18 +3207,18 @@ c_decl : storage_class type declarator initializer c_decl_tail {
String *lstr = Swig_scopename_last($3.id);
Setattr($$,"name",lstr);
Delete(lstr);
set_nextSibling($$, $8);
set_nextSibling($$, $9);
} else {
Delete($$);
$$ = $8;
$$ = $9;
}
Delete(p);
} else {
Delete($$);
$$ = $8;
$$ = $9;
}
} else {
set_nextSibling($$, $8);
set_nextSibling($$, $9);
}
}
;
@ -3229,28 +3229,28 @@ c_decl_tail : SEMI {
$$ = 0;
Clear(scanner_ccode);
}
| COMMA declarator initializer c_decl_tail {
| COMMA declarator cpp_const initializer c_decl_tail {
$$ = new_node("cdecl");
if ($3.qualifier) SwigType_push($2.type,$3.qualifier);
Setattr($$,"refqualifier",$3.refqualifier);
Setattr($$,"name",$2.id);
Setattr($$,"decl",$2.type);
Setattr($$,"parms",$2.parms);
Setattr($$,"value",$3.val);
Setattr($$,"value",$4.val);
Setattr($$,"throws",$3.throws);
Setattr($$,"throw",$3.throwf);
Setattr($$,"noexcept",$3.nexcept);
if ($3.bitfield) {
Setattr($$,"bitfield", $3.bitfield);
if ($4.bitfield) {
Setattr($$,"bitfield", $4.bitfield);
}
if (!$4) {
if (!$5) {
if (Len(scanner_ccode)) {
String *code = Copy(scanner_ccode);
Setattr($$,"code",code);
Delete(code);
}
} else {
set_nextSibling($$,$4);
set_nextSibling($$, $5);
}
}
| LBRACE {
@ -3270,19 +3270,6 @@ c_decl_tail : SEMI {
initializer : def_args {
$$ = $1;
$$.qualifier = 0;
$$.refqualifier = 0;
$$.throws = 0;
$$.throwf = 0;
$$.nexcept = 0;
}
| qualifiers_exception_specification def_args {
$$ = $2;
$$.qualifier = $1.qualifier;
$$.refqualifier = $1.refqualifier;
$$.throws = $1.throws;
$$.throwf = $1.throwf;
$$.nexcept = $1.nexcept;
}
;
@ -3425,7 +3412,7 @@ c_enum_decl : storage_class c_enum_key ename c_enum_inherit LBRACE enumlist RBR
Namespaceprefix = Swig_symbol_qualifiedscopename(0);
}
}
| storage_class c_enum_key ename c_enum_inherit LBRACE enumlist RBRACE declarator initializer c_decl_tail {
| storage_class c_enum_key ename c_enum_inherit LBRACE enumlist RBRACE declarator cpp_const initializer c_decl_tail {
Node *n;
SwigType *ty = 0;
String *unnamed = 0;
@ -3472,8 +3459,8 @@ c_enum_decl : storage_class c_enum_key ename c_enum_inherit LBRACE enumlist RBR
SetFlag(n,"unnamedinstance");
Delete(cty);
}
if ($10) {
Node *p = $10;
if ($11) {
Node *p = $11;
set_nextSibling(n,p);
while (p) {
SwigType *cty = Copy(ty);
@ -3981,12 +3968,12 @@ cpp_class_decl : storage_class cpptype idcolon inherit LBRACE {
;
cpp_opt_declarators : SEMI { $$ = 0; }
| declarator initializer c_decl_tail {
| declarator cpp_const initializer c_decl_tail {
$$ = new_node("cdecl");
Setattr($$,"name",$1.id);
Setattr($$,"decl",$1.type);
Setattr($$,"parms",$1.parms);
set_nextSibling($$,$3);
set_nextSibling($$, $4);
}
;
/* ------------------------------------------------------------