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authorJim Blandy <jimb@codesourcery.com>2002-05-17 17:57:48 +0000
committerJim Blandy <jimb@codesourcery.com>2002-05-17 17:57:48 +0000
commit84f0252a038f4c2ceb70d076f58159eaa8e3dfab (patch)
treef941a69257718ec66cee427c3cc662eab4684fb7 /gdb/c-lang.h
parent1c509ca8216de106f508b463a13ceea60ccce878 (diff)
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Expand preprocessor macros in C expressions.
* c-lang.h: #include "macroexp.h", for macro_lookup_ftype. (scan_macro_expansion, scanning_macro_expansion, finished_macro_expansion): New function declarations. (expression_macro_lookup_func, expression_macro_lookup_baton): New variable declarations. * parser-defs.h (expression_context_pc): New declaration. * parse.c (expression_context_pc): New variable. (parse_exp_1): Set expression_context_pc, as well as expression_context_block. * c-exp.y (yylex): If we're not already reading the result of a macro expansion, try to macro-expand the next token. When we're done scanning a macro expansion, switch back to the mainline text. Commas and `if's in a macro's expansion don't terminate the input. * c-lang.c: #include "macroscope.h" and "gdb_assert.h". (macro_original_text, macro_expanded_text, expression_macro_lookup_func, expression_macro_lookup_baton): New variables. (scan_macro_expansion, scanning_macro_expansion, finished_macro_expansion, scan_macro_cleanup, null_macro_lookup, c_preprocess_and_parse): New functions. (c_language_defn, cplus_language_defn, asm_language_defn): Call c_preprocess_and_parse, instead of c_parse. * Makefile.in (c_lang_h): Note that this #includes macroexp.h. (c-lang.o): Note dependency on macroscope.h and gdb_assert.h.
Diffstat (limited to 'gdb/c-lang.h')
-rw-r--r--gdb/c-lang.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/gdb/c-lang.h b/gdb/c-lang.h
index b1925e1..e64d4c6 100644
--- a/gdb/c-lang.h
+++ b/gdb/c-lang.h
@@ -24,6 +24,7 @@
#define C_LANG_H 1
#include "value.h"
+#include "macroexp.h"
extern int c_parse (void); /* Defined in c-exp.y */
@@ -49,6 +50,13 @@ extern void c_printstr (struct ui_file * stream, char *string,
unsigned int length, int width,
int force_ellipses);
+extern void scan_macro_expansion (char *expansion);
+extern int scanning_macro_expansion (void);
+extern void finished_macro_expansion (void);
+
+extern macro_lookup_ftype *expression_macro_lookup_func;
+extern void *expression_macro_lookup_baton;
+
extern struct type *c_create_fundamental_type (struct objfile *, int);
extern struct type **const (c_builtin_types[]);