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3c02944a98
* expprint.c (print_subexp): Add OP_NAME support.
* parse.c (length_of_subexp, prefixify_subexp): Likewise.
* scm-lang.c (scm_unpack, in_eval_c, scm_lookup_name): new function.
* scm-lang.h: Declare builtin_type_scm; other minor tweaks.
* values.c (unpack_long): If type is SCM, call scm_unpack.
* scm-valprint.c (scm_val_print): Use extract_signed_integer,
instead unpack_long
* scm-lang.c: More Scheme expression parsing from here ...
* scm-exp.c: ... to here. New file.
Also, provide for gdb to evaluate simple constants and names..
* Makefile.in: Note new scm-exp.{c,o}.
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
#define SICP
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#include "scm-tags.h"
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#undef SCM_NCELLP
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#define SCM_NCELLP(x) ((SCM_SIZE-1) & (int)(x))
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#define SCM_ITAG8_DATA(X) ((X)>>8)
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#define SCM_ICHR(x) ((unsigned char)SCM_ITAG8_DATA(x))
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#define SCM_ICHRP(x) (SCM_ITAG8(x) == scm_tc8_char)
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#define scm_tc8_char 0xf4
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#define SCM_IFLAGP(n) ((0x87 & (int)(n))==4)
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#define SCM_ISYMNUM(n) ((int)((n)>>9))
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#define SCM_ISYMCHARS(n) (scm_isymnames[SCM_ISYMNUM(n)])
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#define SCM_ILOCP(n) ((0xff & (int)(n))==0xfc)
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#define SCM_ITAG8(X) ((int)(X) & 0xff)
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#define SCM_TYP7(x) (0x7f & (int)SCM_CAR(x))
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#define SCM_LENGTH(x) (((unsigned long)SCM_CAR(x))>>8)
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#define SCM_NCONSP(x) (1 & (int)SCM_CAR(x))
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#define SCM_NECONSP(x) (SCM_NCONSP(x) && (1 != SCM_TYP3(x)))
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#define SCM_CAR(x) scm_get_field (x, 0)
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#define SCM_CDR(x) scm_get_field (x, 1)
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#define SCM_VELTS(x) ((SCM *)SCM_CDR(x))
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#define SCM_CLOSCAR(x) (SCM_CAR(x)-scm_tc3_closure)
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#define SCM_CODE(x) SCM_CAR(SCM_CLOSCAR (x))
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#define SCM_MAKINUM(x) (((x)<<2)+2L)
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#ifdef __STDC__ /* Forward decls for prototypes */
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struct value;
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#endif
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extern int scm_value_print PARAMS ((struct value *, GDB_FILE*,
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int, enum val_prettyprint));
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extern int scm_val_print PARAMS ((struct type*, char*, CORE_ADDR, GDB_FILE*,
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int, int, int, enum val_prettyprint));
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extern LONGEST scm_get_field PARAMS ((LONGEST, int));
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extern int scm_scmval_print PARAMS ((LONGEST, GDB_FILE *,
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int, int, int, enum val_prettyprint));
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extern int is_scmvalue_type PARAMS ((struct type*));
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extern void scm_printchar PARAMS ((int, GDB_FILE*));
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extern struct value * scm_evaluate_string PARAMS ((char*, int));
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extern struct type *builtin_type_scm;
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extern int scm_parse ();
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