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git://source.winehq.org/git/wine.git
synced 2024-09-01 23:40:53 +00:00
Create a new list of defined symbols when parsing a file, to allow
recursive parsing of multiple files.
This commit is contained in:
parent
4433f15543
commit
4f432e0545
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@ -33,15 +33,22 @@
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struct pp_status pp_status;
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#define HASHKEY 2039
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static pp_entry_t *pp_defines[HASHKEY];
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typedef struct pp_def_state
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{
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struct pp_def_state *next;
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pp_entry_t *defines[HASHKEY];
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} pp_def_state_t;
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static pp_def_state_t *pp_def_state;
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#define MAXIFSTACK 64
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static pp_if_state_t if_stack[MAXIFSTACK];
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static int if_stack_idx = 0;
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#if 0
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void pp_status(void) __attribute__((destructor));
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void pp_status(void)
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void pp_print_status(void) __attribute__((destructor));
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void pp_print_status(void)
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{
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int i;
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int sum;
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@ -52,10 +59,10 @@ void pp_status(void)
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for(i = 0; i < HASHKEY; i++)
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{
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sum = 0;
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for(ppp = pp_defines[i]; ppp; ppp = ppp->next)
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for(ppp = pp_def_state->defines[i]; ppp; ppp = ppp->next)
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sum++;
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total += sum;
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fprintf(stderr, "%4d, %3d\n", i, sum);
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if (sum) fprintf(stderr, "%4d, %3d\n", i, sum);
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}
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fprintf(stderr, "Total defines: %d\n", total);
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}
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@ -112,7 +119,7 @@ pp_entry_t *pplookup(const char *ident)
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int idx = pphash(ident);
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pp_entry_t *ppp;
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for(ppp = pp_defines[idx]; ppp; ppp = ppp->next)
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for(ppp = pp_def_state->defines[idx]; ppp; ppp = ppp->next)
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{
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if(!strcmp(ident, ppp->ident))
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return ppp;
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@ -120,22 +127,10 @@ pp_entry_t *pplookup(const char *ident)
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return NULL;
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}
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void pp_del_define(const char *name)
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static void free_pp_entry( pp_entry_t *ppp, int idx )
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{
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int idx;
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pp_entry_t *ppp;
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if((ppp = pplookup(name)) == NULL)
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{
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if(pp_status.pedantic)
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ppwarning("%s was not defined", name);
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return;
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}
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if(ppp->iep)
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{
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if(pp_status.debug)
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fprintf(stderr, "pp_del_define: %s:%d: includelogic removed, include_ppp='%s', file=%s\n", pp_status.input, pp_status.line_number, name, ppp->iep->filename);
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if(ppp->iep == pp_includelogiclist)
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{
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pp_includelogiclist = ppp->iep->next;
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@ -152,12 +147,11 @@ void pp_del_define(const char *name)
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free(ppp->iep);
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}
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idx = pphash(name);
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if(pp_defines[idx] == ppp)
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if(pp_def_state->defines[idx] == ppp)
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{
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pp_defines[idx] = ppp->next;
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if(pp_defines[idx])
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pp_defines[idx]->prev = NULL;
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pp_def_state->defines[idx] = ppp->next;
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if(pp_def_state->defines[idx])
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pp_def_state->defines[idx]->prev = NULL;
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}
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else
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{
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@ -167,6 +161,46 @@ void pp_del_define(const char *name)
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}
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free(ppp);
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}
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/* push a new (empty) define state */
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void pp_push_define_state(void)
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{
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pp_def_state_t *state = pp_xmalloc( sizeof(*state) );
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memset( state->defines, 0, sizeof(state->defines) );
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state->next = pp_def_state;
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pp_def_state = state;
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}
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/* pop the current define state */
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void pp_pop_define_state(void)
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{
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int i;
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pp_entry_t *ppp;
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pp_def_state_t *state;
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for (i = 0; i < HASHKEY; i++)
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{
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while ((ppp = pp_def_state->defines[i]) != NULL) free_pp_entry( ppp, i );
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}
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state = pp_def_state;
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pp_def_state = state->next;
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free( state );
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}
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void pp_del_define(const char *name)
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{
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pp_entry_t *ppp;
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if((ppp = pplookup(name)) == NULL)
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{
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if(pp_status.pedantic)
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ppwarning("%s was not defined", name);
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return;
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}
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free_pp_entry( ppp, pphash(name) );
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if(pp_status.debug)
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printf("Deleted (%s, %d) <%s>\n", pp_status.input, pp_status.line_number, name);
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@ -192,8 +226,8 @@ pp_entry_t *pp_add_define(char *def, char *text)
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ppp->subst.text = text;
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ppp->filename = pp_status.input ? pp_xstrdup(pp_status.input) : "<internal or cmdline>";
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ppp->linenumber = pp_status.input ? pp_status.line_number : 0;
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ppp->next = pp_defines[idx];
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pp_defines[idx] = ppp;
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ppp->next = pp_def_state->defines[idx];
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pp_def_state->defines[idx] = ppp;
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if(ppp->next)
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ppp->next->prev = ppp;
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if(text)
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@ -236,8 +270,8 @@ pp_entry_t *pp_add_macro(char *id, marg_t *args[], int nargs, mtext_t *exp)
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ppp->subst.mtext= exp;
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ppp->filename = pp_status.input ? pp_xstrdup(pp_status.input) : "<internal or cmdline>";
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ppp->linenumber = pp_status.input ? pp_status.line_number : 0;
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ppp->next = pp_defines[idx];
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pp_defines[idx] = ppp;
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ppp->next = pp_def_state->defines[idx];
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pp_def_state->defines[idx] = ppp;
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if(ppp->next)
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ppp->next->prev = ppp;
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@ -30,6 +30,25 @@
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int ppdebug;
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struct define
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{
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struct define *next;
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char *name;
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char *value;
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};
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static struct define *cmdline_defines;
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static void add_cmdline_defines(void)
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{
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struct define *def;
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for (def = cmdline_defines; def; def = def->next)
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{
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if (def->value) pp_add_define( pp_xstrdup(def->name), pp_xstrdup(def->value) );
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}
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}
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static void add_special_defines(void)
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{
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time_t now = time(NULL);
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@ -53,15 +72,42 @@ static void add_special_defines(void)
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/* add a define to the preprocessor list */
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void wpp_add_define( const char *name, const char *value )
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{
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struct define *def;
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if (!value) value = "";
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pp_add_define( pp_xstrdup(name), pp_xstrdup(value) );
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for (def = cmdline_defines; def; def = def->next)
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{
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if (!strcmp( def->name, name ))
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{
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if (def->value) free( def->value );
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def->value = pp_xstrdup(value);
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return;
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}
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}
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def = pp_xmalloc( sizeof(*def) );
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def->next = cmdline_defines;
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def->name = pp_xstrdup(name);
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def->value = pp_xstrdup(value);
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cmdline_defines = def;
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}
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/* undefine a previously added definition */
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void wpp_del_define( const char *value )
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void wpp_del_define( const char *name )
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{
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pp_del_define( value );
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struct define *def;
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for (def = cmdline_defines; def; def = def->next)
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{
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if (!strcmp( def->name, name ))
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{
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if (def->value) free( def->value );
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def->value = NULL;
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return;
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}
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}
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}
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@ -71,8 +117,8 @@ void wpp_add_cmdline_define( const char *value )
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char *str = pp_xstrdup(value);
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char *p = strchr( str, '=' );
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if (p) *p++ = 0;
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else p = "";
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pp_add_define( str, pp_xstrdup(p) );
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wpp_add_define( str, p );
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free( str );
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}
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@ -97,6 +143,8 @@ int wpp_parse( const char *input, FILE *output )
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{
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int ret;
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pp_push_define_state();
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add_cmdline_defines();
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add_special_defines();
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if (!input) ppin = stdin;
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@ -114,6 +162,7 @@ int wpp_parse( const char *input, FILE *output )
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ret = ppparse();
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if (input) fclose(ppin);
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pp_pop_define_state();
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return ret;
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}
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@ -195,6 +195,8 @@ void *pp_xmalloc(size_t);
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void *pp_xrealloc(void *, size_t);
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char *pp_xstrdup(const char *str);
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pp_entry_t *pplookup(const char *ident);
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void pp_push_define_state(void);
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void pp_pop_define_state(void);
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pp_entry_t *pp_add_define(char *def, char *text);
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pp_entry_t *pp_add_macro(char *ident, marg_t *args[], int nargs, mtext_t *exp);
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void pp_del_define(const char *name);
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