From: Jason Merrill Date: Thu, 23 Sep 1999 21:04:10 +0000 (+0000) Subject: lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5096c664f76b7355439ca9b158d0cfe720eaa0a6;p=gcc.git lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node. * lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node. * lang-specs.h: If -fshort-wchar, override __WCHAR_TYPE__. * decl2.c (lang_f_options): Add -fshort-wchar. * cp-tree.h: Declare flag_short_wchar. * decl.c (init_decl_processing): If -fshort-wchar, use 'short unsigned int' for wchar_t. From-SVN: r29639 --- diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 3323506aba2..51f48da76f5 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,12 @@ +1999-09-23 Jason Merrill + + * lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node. + * lang-specs.h: If -fshort-wchar, override __WCHAR_TYPE__. + * decl2.c (lang_f_options): Add -fshort-wchar. + * cp-tree.h: Declare flag_short_wchar. + * decl.c (init_decl_processing): If -fshort-wchar, use 'short unsigned + int' for wchar_t. + 1999-09-23 Martin v. Löwis * ir.texi: Fix formatting errors and typos. diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index 78ec70e1314..d601543f7b3 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -930,6 +930,10 @@ extern int name_mangling_version; /* Nonzero means that guiding declarations are allowed. */ extern int flag_guiding_decls; +/* Nonzero if wchar_t should be `unsigned short' instead of whatever it + would normally be, for use with WINE. */ +extern int flag_short_wchar; + /* Nonzero if squashed mangling is to be performed. This uses the B and K codes to reference previously seen class types and class qualifiers. */ diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index 1e63523cdae..86c17053f3e 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -6247,8 +6247,10 @@ init_decl_processing () TYPE_REFERENCE_TO (unknown_type_node) = unknown_type_node; /* This is special for C++ so functions can be overloaded. */ - wchar_type_node - = TREE_TYPE (IDENTIFIER_GLOBAL_VALUE (get_identifier (WCHAR_TYPE))); + wchar_type_node = get_identifier (flag_short_wchar + ? "short unsigned int" + : WCHAR_TYPE); + wchar_type_node = TREE_TYPE (IDENTIFIER_GLOBAL_VALUE (wchar_type_node)); wchar_type_size = TYPE_PRECISION (wchar_type_node); signed_wchar_type_node = make_signed_type (wchar_type_size); unsigned_wchar_type_node = make_unsigned_type (wchar_type_size); diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c index 0b8083aac61..3b80f6825a7 100644 --- a/gcc/cp/decl2.c +++ b/gcc/cp/decl2.c @@ -456,6 +456,10 @@ int name_mangling_version = 2; /* Nonzero means that guiding declarations are allowed. */ int flag_guiding_decls; +/* Nonzero if wchar_t should be `unsigned short' instead of whatever it + would normally be, for use with WINE. */ +int flag_short_wchar; + /* Nonzero if squashed mangling is to be performed. This uses the B and K codes to reference previously seen class types and class qualifiers. */ @@ -491,6 +495,7 @@ lang_f_options[] = {"unsigned-bitfields", &flag_signed_bitfields, 0}, {"short-enums", &flag_short_enums, 1}, {"short-double", &flag_short_double, 1}, + {"short-wchar", &flag_short_wchar, 1}, {"cond-mismatch", &flag_cond_mismatch, 1}, {"asm", &flag_no_asm, 0}, {"builtin", &flag_no_builtin, 0}, diff --git a/gcc/cp/lang-specs.h b/gcc/cp/lang-specs.h index 48a6ac5f690..692583ccc8f 100644 --- a/gcc/cp/lang-specs.h +++ b/gcc/cp/lang-specs.h @@ -39,6 +39,7 @@ Boston, MA 02111-1307, USA. */ %{!fno-exceptions:-D__EXCEPTIONS}\ %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}} %{trigraphs}\ %{ffast-math:-D__FAST_MATH__}\ + %{fshort-wchar:-D__WCHAR_TYPE__=short\\ unsigned\\ int}\ %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\ %i %{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}}\n}\ %{!E:%{!M:%{!MM:cc1plus %i %1 %2\ @@ -50,6 +51,7 @@ Boston, MA 02111-1307, USA. */ %{!fno-exceptions:-D__EXCEPTIONS}\ %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}}\ %{ffast-math:-D__FAST_MATH__}\ + %{fshort-wchar:-D__WCHAR_TYPE__=short\\ unsigned\\ int}\ %{trigraphs}\ %{!Q:-quiet} -dumpbase %b.cc %{d*} %{m*} %{a}\ %{g*} %{O*} %{W*} %{w} %{pedantic*} %{ansi}\ @@ -71,6 +73,7 @@ Boston, MA 02111-1307, USA. */ %{!fno-exceptions:-D__EXCEPTIONS}\ %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}} %{trigraphs}\ %{ffast-math:-D__FAST_MATH__}\ + %{fshort-wchar:-D__WCHAR_TYPE__=short\\ unsigned\\ int}\ %{g*} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*} %{U*} %{i*} %Z\ %i %{!M:%{!MM:%{!E:%{!pipe:%g.ii}}}}%{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}} |\n", "%{!M:%{!MM:%{!E:cc1plus %{!pipe:%g.ii} %1 %2\ diff --git a/gcc/cp/lex.c b/gcc/cp/lex.c index af78b7f0f7c..c396a503188 100644 --- a/gcc/cp/lex.c +++ b/gcc/cp/lex.c @@ -348,13 +348,8 @@ int interface_unknown; /* whether or not we know this class /* lexical analyzer */ -#ifndef WCHAR_TYPE_SIZE -#ifdef INT_TYPE_SIZE -#define WCHAR_TYPE_SIZE INT_TYPE_SIZE -#else -#define WCHAR_TYPE_SIZE BITS_PER_WORD -#endif -#endif +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE TYPE_PRECISION (wchar_type_node) /* Number of bytes in a wide character. */ #define WCHAR_BYTES (WCHAR_TYPE_SIZE / BITS_PER_UNIT)