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abc9d0dc6e
* macrotab.h: (macro_define_special): Declare. (enum macro_special_kind): New. (struct macro_definition) <argc, replacement>: Update comments. * macrotab.c (new_macro_definition): Unconditionally set 'argc'. (macro_define_object_internal): New function. (macro_define_object): Use it. (macro_define_special): New function. (fixup_definition): New function. (macro_lookup_definition, foreach_macro_in_scope) (foreach_macro): Use fixup_definition. * macroexp.h (macro_stringify): Declare. * macroexp.c (free_buffer_return_text): New function. (stringify): Constify "arg". (macro_stringify): New function. * dwarf2read.c (macro_start_file): Call macro_define_special. testsuite * gdb.base/macscp1.c (macscp_expr): Add comment. * gdb.base/macscp.exp: Test __FILE__ and __LINE__.
115 lines
2.1 KiB
C
115 lines
2.1 KiB
C
#include <stdio.h>
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#define SPLICE(a, b) INNER_SPLICE(a, b)
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#define INNER_SPLICE(a, b) a ## b
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#define STRINGIFY(a) INNER_STRINGIFY(a)
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#define INNER_STRINGIFY(a) #a
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#define FIFTY_SEVEN 57
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#define FORTY_EIGHT 48
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#undef FORTY_EIGHT
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struct outer
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{
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struct fields
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{
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struct fault
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{
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int addr;
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} fault;
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} fields;
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};
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struct outer address;
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#define addr fields.fault.addr
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/* A macro named UNTIL_<func> is #defined until just before the
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definition of the function <func>.
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A macro named BEFORE_<func> is not #defined until just before the
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definition of <func>.
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The macro WHERE is redefined before each function <func> to the
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token list ``before <func>''.
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The macscp IN_MACSCP2_H and IN_MACSCP3_H are defined while
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processing those header files; macscp4.h uses them to choose
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appropriate function names, output strings, and macro definitions. */
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#define UNTIL_MACSCP1_1
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#define UNTIL_MACSCP2_1
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#define UNTIL_MACSCP4_1_FROM_MACSCP2
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#define UNTIL_MACSCP4_2_FROM_MACSCP2
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#define UNTIL_MACSCP2_2
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#define UNTIL_MACSCP1_2
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#define UNTIL_MACSCP3_1
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#define UNTIL_MACSCP4_1_FROM_MACSCP3
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#define UNTIL_MACSCP4_2_FROM_MACSCP3
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#define UNTIL_MACSCP3_2
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#define UNTIL_MACSCP1_3
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#define WHERE before macscp1_1
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#define BEFORE_MACSCP1_1
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#undef UNTIL_MACSCP1_1
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void
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macscp1_1 ()
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{
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puts ("macscp1_1");
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}
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#include "macscp2.h"
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#undef WHERE
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#define WHERE before macscp1_2
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#define BEFORE_MACSCP1_2
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#undef UNTIL_MACSCP1_2
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void
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macscp1_2 ()
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{
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puts ("macscp1_2");
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}
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#include "macscp3.h"
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#undef WHERE
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#define WHERE before macscp1_3
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#define BEFORE_MACSCP1_3
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#undef UNTIL_MACSCP1_3
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void
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macscp1_3 ()
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{
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puts ("macscp1_3");
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}
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void
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macscp_expr (void)
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{
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int foo = -1;
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foo = 0; /* set breakpoint here */
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#define MACRO_TO_EXPAND foo
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foo = 1;
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#undef MACRO_TO_EXPAND
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foo = 2; /* stopping point for line test */
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}
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#define TWENTY_THREE 23
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int
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main (int argc, char **argv)
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{
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macscp1_1 ();
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macscp2_1 ();
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macscp4_1_from_macscp2 ();
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macscp4_2_from_macscp2 ();
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macscp2_2 ();
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macscp1_2 ();
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macscp3_1 ();
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macscp4_1_from_macscp3 ();
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macscp4_2_from_macscp3 ();
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macscp3_2 ();
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macscp1_3 ();
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macscp_expr ();
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}
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