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author | nobody <nobody@localhost> | 2001-08-05 03:29:35 +0800 |
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committer | nobody <nobody@localhost> | 2001-08-05 03:29:35 +0800 |
commit | 26eb615de8b85266a456f2155fb39ce63fc76e63 (patch) | |
tree | 0f0f7d161df8ec2e9a2e06dc0f87a8c17389d1e1 /e-util/e-sexp.h | |
parent | 950e90cd92e950cb17645b5c3d6fc6eae2f07c5e (diff) | |
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This commit was manufactured by cvs2svn to create tag 'guikachu-0_8'.guikachu-0_8
svn path=/tags/guikachu-0_8/; revision=11681
Diffstat (limited to 'e-util/e-sexp.h')
-rw-r--r-- | e-util/e-sexp.h | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/e-util/e-sexp.h b/e-util/e-sexp.h deleted file mode 100644 index d4b8795c3e..0000000000 --- a/e-util/e-sexp.h +++ /dev/null @@ -1,162 +0,0 @@ -/* - generic s-exp evaluator class -*/ -#ifndef _E_SEXP_H -#define _E_SEXP_H - -#include <setjmp.h> -#include <time.h> -#include <glib.h> - -#ifdef E_SEXP_IS_GTK_OBJECT -#include <gtk/gtkobject.h> -#endif - -#ifdef E_SEXP_IS_GTK_OBJECT -#define E_SEXP(obj) GTK_CHECK_CAST (obj, e_sexp_get_type (), ESExp) -#define E_SEXP_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, e_sexp_get_type (), ESExpClass) -#define FILTER_IS_SEXP(obj) GTK_CHECK_TYPE (obj, e_sexp_get_type ()) -#else -#define E_SEXP(obj) ((struct _ESExp *)(obj)) -#define E_SEXP_CLASS(klass) ((struct _ESExpClass *)(klass)) -#define FILTER_IS_SEXP(obj) (1) -#endif - -typedef struct _ESExp ESExp; -typedef struct _ESExpClass ESExpClass; - -typedef struct _ESExpSymbol ESExpSymbol; -typedef struct _ESExpResult ESExpResult; -typedef struct _ESExpTerm ESExpTerm; - -typedef struct _ESExpResult *(ESExpFunc)(struct _ESExp *sexp, - int argc, - struct _ESExpResult **argv, - void *data); - -typedef struct _ESExpResult *(ESExpIFunc)(struct _ESExp *sexp, - int argc, - struct _ESExpTerm **argv, - void *data); -enum _ESExpResultType { - ESEXP_RES_ARRAY_PTR=0, /* type is a ptrarray, what it points to is implementation dependant */ - ESEXP_RES_INT, /* type is a number */ - ESEXP_RES_STRING, /* type is a pointer to a single string */ - ESEXP_RES_BOOL, /* boolean type */ - ESEXP_RES_TIME, /* time_t type */ - ESEXP_RES_UNDEFINED /* unknown type */ -}; - -struct _ESExpResult { - enum _ESExpResultType type; - union { - GPtrArray *ptrarray; - int number; - char *string; - int bool; - time_t time; - } value; -}; - -enum _ESExpTermType { - ESEXP_TERM_INT = 0, /* integer literal */ - ESEXP_TERM_BOOL, /* boolean literal */ - ESEXP_TERM_STRING, /* string literal */ - ESEXP_TERM_TIME, /* time_t literal (number of seconds past the epoch) */ - ESEXP_TERM_FUNC, /* normal function, arguments are evaluated before calling */ - ESEXP_TERM_IFUNC, /* immediate function, raw terms are arguments */ - ESEXP_TERM_VAR, /* variable reference */ -}; - -struct _ESExpSymbol { - int type; /* ESEXP_TERM_FUNC or ESEXP_TERM_VAR */ - char *name; - void *data; - union { - ESExpFunc *func; - ESExpIFunc *ifunc; - } f; -}; - -struct _ESExpTerm { - enum _ESExpTermType type; - union { - char *string; - int number; - int bool; - time_t time; - struct { - struct _ESExpSymbol *sym; - struct _ESExpTerm **terms; - int termcount; - } func; - struct _ESExpSymbol *var; - } value; -}; - - - -struct _ESExp { -#ifdef E_SEXP_IS_GTK_OBJECT - GtkObject object; -#else - int refcount; -#endif - GScanner *scanner; /* for parsing text version */ - ESExpTerm *tree; /* root of expression tree */ - - /* private stuff */ - jmp_buf failenv; - char *error; - - /* TODO: may also need a pool allocator for term strings, so we dont lose them - in error conditions? */ - struct _EMemChunk *term_chunks; - struct _EMemChunk *result_chunks; -}; - -struct _ESExpClass { -#ifdef E_SEXP_IS_GTK_OBJECT - GtkObjectClass parent_class; -#endif -}; - -#ifdef E_SEXP_IS_GTK_OBJECT -guint e_sexp_get_type (void); -#endif -ESExp *e_sexp_new (void); -#ifndef E_SEXP_IS_GTK_OBJECT -void e_sexp_ref (ESExp *f); -void e_sexp_unref (ESExp *f); -#endif -void e_sexp_add_function (ESExp *f, int scope, char *name, ESExpFunc *func, void *data); -void e_sexp_add_ifunction (ESExp *f, int scope, char *name, ESExpIFunc *func, void *data); -void e_sexp_add_variable (ESExp *f, int scope, char *name, ESExpTerm *value); -void e_sexp_remove_symbol (ESExp *f, int scope, char *name); -int e_sexp_set_scope (ESExp *f, int scope); - -void e_sexp_input_text (ESExp *f, const char *text, int len); -void e_sexp_input_file (ESExp *f, int fd); - - -int e_sexp_parse (ESExp *f); -ESExpResult *e_sexp_eval (ESExp *f); - -ESExpResult *e_sexp_term_eval (struct _ESExp *f, struct _ESExpTerm *t); -ESExpResult *e_sexp_result_new (struct _ESExp *f, int type); -void e_sexp_result_free (struct _ESExp *f, struct _ESExpResult *t); - -/* used in normal functions if they have to abort, to free their arguments */ -void e_sexp_resultv_free (struct _ESExp *f, int argc, struct _ESExpResult **argv); - -/* utility functions for creating s-exp strings. */ -void e_sexp_encode_bool (GString *s, gboolean state); -void e_sexp_encode_string (GString *s, const char *string); - -/* only to be called from inside a callback to signal a fatal execution error */ -void e_sexp_fatal_error (struct _ESExp *f, char *why, ...); - -/* return the error string */ -const char *e_sexp_error (struct _ESExp *f); - -#endif /* _E_SEXP_H */ |