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(init_decl_processing): Create complex types. 

(grokdeclarator): Handle complex keyword.
Distinguish int-by-default from int keyword.

From-SVN: r3642
This commit is contained in:
Richard Stallman 1993-03-04 19:42:57 +00:00
parent 74428a8ece
commit 5ab10c42b3
1 changed files with 49 additions and 4 deletions
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53
gcc/c-decl.c
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@ -128,6 +128,11 @@ tree float_type_node;
tree double_type_node;
tree long_double_type_node;
tree complex_integer_type_node;
tree complex_float_type_node;
tree complex_double_type_node;
tree complex_long_double_type_node;
tree intQI_type_node;
tree intHI_type_node;
tree intSI_type_node;
@ -2663,6 +2668,30 @@ init_decl_processing ()
long_double_type_node));
layout_type (long_double_type_node);
complex_integer_type_node = make_node (COMPLEX_TYPE);
pushdecl (build_decl (TYPE_DECL, get_identifier ("complex int"),
complex_integer_type_node));
TREE_TYPE (complex_integer_type_node) = integer_type_node;
layout_type (complex_integer_type_node);
complex_float_type_node = make_node (COMPLEX_TYPE);
pushdecl (build_decl (TYPE_DECL, get_identifier ("complex float"),
complex_float_type_node));
TREE_TYPE (complex_float_type_node) = float_type_node;
layout_type (complex_float_type_node);
complex_double_type_node = make_node (COMPLEX_TYPE);
pushdecl (build_decl (TYPE_DECL, get_identifier ("complex double"),
complex_double_type_node));
TREE_TYPE (complex_double_type_node) = double_type_node;
layout_type (complex_double_type_node);
complex_long_double_type_node = make_node (COMPLEX_TYPE);
pushdecl (build_decl (TYPE_DECL, get_identifier ("complex long double"),
complex_long_double_type_node));
TREE_TYPE (complex_long_double_type_node) = long_double_type_node;
layout_type (complex_long_double_type_node);
wchar_type_node
= TREE_TYPE (IDENTIFIER_GLOBAL_VALUE (get_identifier (WCHAR_TYPE)));
wchar_type_size = TYPE_PRECISION (wchar_type_node);
@ -3616,6 +3645,7 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
int inlinep;
int explicit_int = 0;
int explicit_char = 0;
int defaulted_int = 0;
tree typedef_decl = 0;
char *name;
tree typedef_type = 0;
@ -3759,7 +3789,7 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
if (type)
size_varies = C_TYPE_VARIABLE_SIZE (type);
/* No type at all: default to `int', and set EXPLICIT_INT
/* No type at all: default to `int', and set DEFAULTED_INT
because it was not a user-defined typedef. */
if (type == 0)
@ -3768,7 +3798,7 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
&& ! (specbits & ((1 << (int) RID_LONG) | (1 << (int) RID_SHORT)
| (1 << (int) RID_SIGNED) | (1 << (int) RID_UNSIGNED))))
warn_about_return_type = 1;
explicit_int = 1;
defaulted_int = 1;
type = integer_type_node;
}
@ -3810,7 +3840,7 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
else
{
ok = 1;
if (!explicit_int && !explicit_char && pedantic)
if (!explicit_int && !defaulted_int && !explicit_char && pedantic)
{
pedwarn ("long, short, signed or unsigned used invalidly for `%s'",
name);
@ -3835,7 +3865,7 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
|| (bitfield && flag_traditional
&& (! explicit_flag_signed_bitfields || !flag_signed_bitfields))
|| (bitfield && ! flag_signed_bitfields
&& (explicit_int || explicit_char
&& (explicit_int || defaulted_int || explicit_char
/* A typedef for plain `int' without `signed'
can be controlled just like plain `int'. */
|| ! (typedef_decl != 0
@ -3865,6 +3895,21 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
type = long_integer_type_node;
else if (specbits & 1 << (int) RID_SHORT)
type = short_integer_type_node;
else if (specbits & 1 << (int) RID_COMPLEX)
{
if (defaulted_int)
type = complex_double_type_node;
else if (type == integer_type_node)
type = complex_integer_type_node;
else if (type == float_type_node)
type = complex_float_type_node;
else if (type == double_type_node)
type = complex_double_type_node;
else if (type == long_double_type_node)
type = complex_long_double_type_node;
else
error ("invalid complex type");
}
/* Set CONSTP if this declaration is `const', whether by
explicit specification or via a typedef.