X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fparser.h;h=d4cfb225b8ffe8771aaa1b3a92b6a53d02fb55ad;hp=faa95e4931d9811788bf76e5decaa87a87fc08d6;hb=3d77b5b65efb78c1da9485dfde1fcd417066b803;hpb=2421d323be79e4a811a4197914330a8c0124b130 diff --git a/src/parser.h b/src/parser.h index faa95e4..d4cfb22 100644 --- a/src/parser.h +++ b/src/parser.h @@ -1,1145 +1,65 @@ -#ifndef _PSI_PARSER_H -#define _PSI_PARSER_H - -#include -#include -#include -#include - -#include +/******************************************************************************* + Copyright (c) 2016, Michael Wallner . + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*******************************************************************************/ + +#ifndef PSI_PARSER_H +#define PSI_PARSER_H + +struct psi_parser; #include "parser_proc.h" +#undef YYDEBUG -#define BSIZE 256 - -#define PSI_T_POINTER PSI_T_ASTERISK -typedef int token_t; - -/* in php_psi.h */ -size_t psi_t_alignment(token_t); -size_t psi_t_size(token_t); - -typedef struct PSI_Token { - token_t type; - unsigned line; - size_t size; - char text[1]; -} PSI_Token; - -typedef struct decl_type { - char *name; - token_t type; - struct decl_type *real; - struct decl_struct *strct; -} decl_type; - -static inline decl_type *init_decl_type(token_t type, const char *name) { - decl_type *t = calloc(1, sizeof(*t)); - t->type = type; - t->name = strdup(name); - return t; -} - -static inline decl_type *real_decl_type(decl_type *type) { - while (type->real) { - type = type->real; - } - return type; -} - -static inline void free_decl_type(decl_type *type) { - free(type->name); - free(type); -} - -typedef struct decl_typedef { - char *alias; - decl_type *type; -} decl_typedef; - -static inline decl_typedef *init_decl_typedef(const char *name, decl_type *type) { - decl_typedef *t = calloc(1, sizeof(*t)); - t->alias = strdup(name); - t->type = type; - return t; -} - -static inline void free_decl_typedef(decl_typedef *t) { - free(t->alias); - free_decl_type(t->type); - free(t); -} - -typedef struct decl_typedefs { - size_t count; - decl_typedef **list; -} decl_typedefs; - -static inline decl_typedefs *add_decl_typedef(decl_typedefs *defs, decl_typedef *def) { - if (!defs) { - defs = calloc(1, sizeof(*defs)); - } - defs->list = realloc(defs->list, ++defs->count * sizeof(*defs->list)); - defs->list[defs->count-1] = def; - return defs; -} - -static void free_decl_typedefs(decl_typedefs *defs) { - size_t i; - - for (i = 0; i < defs->count; ++i) { - free_decl_typedef(defs->list[i]); - } - free(defs->list); - free(defs); -} - -typedef struct decl_var { - char *name; - unsigned pointer_level; - unsigned array_size; - struct decl_arg *arg; -} decl_var; - -static inline decl_var *init_decl_var(const char *name, unsigned pl, unsigned as) { - decl_var *v = calloc(1, sizeof(*v)); - v->name = (char *) strdup((const char *) name); - v->pointer_level = pl; - v->array_size = as; - return v; -} - -static inline void free_decl_var(decl_var *var) { - free(var->name); - free(var); -} - -typedef struct decl_struct_layout { - size_t pos; - size_t len; -} decl_struct_layout; - -static inline decl_struct_layout *init_decl_struct_layout(size_t pos, size_t len) { - decl_struct_layout *l = calloc(1, sizeof(*l)); - - l->pos = pos; - l->len = len; - return l; -} - -static inline void free_decl_struct_layout(decl_struct_layout *l) { - free(l); -} - -typedef struct decl_arg { - decl_type *type; - decl_var *var; - decl_struct_layout *layout; - struct let_stmt *let; -} decl_arg; - -static inline decl_arg *init_decl_arg(decl_type *type, decl_var *var) { - decl_arg *arg = calloc(1, sizeof(*arg)); - arg->type = type; - arg->var = var; - var->arg = arg; - return arg; -} - -static inline void free_decl_arg(decl_arg *arg) { - free_decl_type(arg->type); - free_decl_var(arg->var); - if (arg->layout) { - free_decl_struct_layout(arg->layout); - } - free(arg); -} - -typedef struct decl_vars { - decl_var **vars; - size_t count; -} decl_vars; - -static inline decl_vars *init_decl_vars(decl_var *var) { - decl_vars *vars = calloc(1, sizeof(*vars)); - if (var) { - vars->count = 1; - vars->vars = calloc(1, sizeof(*vars->vars)); - vars->vars[0] = var; - } - return vars; -} - -static inline decl_vars *add_decl_var(decl_vars *vars, decl_var *var) { - vars->vars = realloc(vars->vars, ++vars->count * sizeof(*vars->vars)); - vars->vars[vars->count-1] = var; - return vars; -} - -static inline void free_decl_vars(decl_vars *vars) { - size_t i; - - for (i = 0; i < vars->count; ++i) { - free_decl_var(vars->vars[i]); - } - free(vars->vars); - free(vars); -} - -typedef struct decl_args { - decl_arg **args; - size_t count; -} decl_args; - -static inline decl_args *init_decl_args(decl_arg *arg) { - decl_args *args = calloc(1, sizeof(*args)); - if (arg) { - args->count = 1; - args->args = calloc(1, sizeof(*args->args)); - args->args[0] = arg; - } - return args; -} - -static inline decl_args *add_decl_arg(decl_args *args, decl_arg *arg) { - args->args = realloc(args->args, ++args->count * sizeof(*args->args)); - args->args[args->count-1] = arg; - return args; -} - -static inline void free_decl_args(decl_args *args) { - size_t i; - - for (i = 0; i < args->count; ++i) { - free_decl_arg(args->args[i]); - } - free(args->args); - free(args); -} - -typedef struct decl_abi { - char *convention; -} decl_abi; - -static inline decl_abi *init_decl_abi(const char *convention) { - decl_abi *abi = calloc(1, sizeof(*abi)); - abi->convention = strdup(convention); - return abi; -} - -static inline void free_decl_abi(decl_abi *abi) { - free(abi->convention); - free(abi); -} - -typedef struct decl { - decl_abi *abi; - decl_arg *func; - decl_args *args; - struct impl *impl; - struct { - void *sym; - void *info; - void **args; - } call; -} decl; - -static inline decl* init_decl(decl_abi *abi, decl_arg *func, decl_args *args) { - decl *d = calloc(1, sizeof(*d)); - d->abi = abi; - d->func = func; - d->args = args; - return d; -} - -static inline void free_decl(decl *d) { - free_decl_abi(d->abi); - free_decl_arg(d->func); - if (d->args) { - free_decl_args(d->args); - } - free(d); -} - -typedef struct decls { - size_t count; - decl **list; -} decls; - -static inline decls *add_decl(decls *decls, decl *decl) { - if (!decls) { - decls = calloc(1, sizeof(*decls)); - } - decls->list = realloc(decls->list, ++decls->count * sizeof(*decls->list)); - decls->list[decls->count-1] = decl; - return decls; -} - -static inline void free_decls(decls *decls) { - size_t i; - - for (i = 0; i < decls->count; ++i) { - free_decl(decls->list[i]); - } - free(decls->list); - free(decls); -} - -typedef struct decl_struct { - char *name; - decl_args *args; - size_t size; -} decl_struct; - -static inline decl_struct *init_decl_struct(const char *name, decl_args *args) { - decl_struct *s = calloc(1, sizeof(*s)); - s->name = strdup(name); - s->args = args; - return s; -} - -static inline void free_decl_struct(decl_struct *s) { - if (s->args) { - free_decl_args(s->args); - } - free(s->name); - free(s); -} - -typedef struct decl_structs { - size_t count; - decl_struct **list; -} decl_structs; - -static inline decl_structs *add_decl_struct(decl_structs *ss, decl_struct *s) { - if (!ss) { - ss = calloc(1, sizeof(*ss)); - } - ss->list = realloc(ss->list, ++ss->count * sizeof(*ss->list)); - ss->list[ss->count-1] = s; - return ss; -} - -static inline void free_decl_structs(decl_structs *ss) { - size_t i; - - for (i = 0; i < ss->count; ++i) { - free_decl_struct(ss->list[i]); - } - free(ss->list); - free(ss); -} - -typedef union impl_val { - char cval; - int8_t i8; - uint8_t u8; - short sval; - int16_t i16; - uint16_t u16; - int ival; - int32_t i32; - uint32_t u32; - long lval; - int64_t i64; - uint64_t u64; - float fval; - double dval; - union { - zend_bool bval; - zend_long lval; - zend_string *str; - } zend; - void *ptr; - uint8_t _dbg[sizeof(void *)]; -} impl_val; - -static inline impl_val *deref_impl_val(impl_val *ret_val, decl_var *var) { - unsigned i; - - if (var->arg->var != var) for (i = 1; i < var->pointer_level; ++i) { - ret_val = *(void **) ret_val; - } - return ret_val; -} - -static inline impl_val *enref_impl_val(void *ptr, decl_var *var) { - impl_val *val, *val_ptr; - unsigned i; - - if (!var->pointer_level && real_decl_type(var->arg->type)->type != PSI_T_STRUCT) { - return ptr; - } - val = val_ptr = calloc(var->pointer_level + 1, sizeof(void *)); - for (i = 1; i < var->pointer_level; ++i) { - val_ptr->ptr = (void **) val_ptr + 1; - val_ptr = val_ptr->ptr; - } - val_ptr->ptr = ptr; - return val; -} - -typedef struct impl_type { - char *name; - token_t type; -} impl_type; - -static inline impl_type *init_impl_type(token_t type, const char *name) { - impl_type *t = calloc(1, sizeof(*t)); - - t->type = type; - t->name = strdup(name); - return t; -} - -static inline void free_impl_type(impl_type *type) { - free(type->name); - free(type); -} - -typedef struct impl_var { - char *name; - unsigned reference:1; -} impl_var; - -static inline impl_var *init_impl_var(const char *name, int is_reference) { - impl_var *var = calloc(1, sizeof(*var)); - var->name = strdup(name); - var->reference = is_reference; - return var; -} - -static inline void free_impl_var(impl_var *var) { - free(var->name); - free(var); -} - -typedef struct impl_def_val { - token_t type; - char *text; -} impl_def_val; - -static inline impl_def_val *init_impl_def_val(token_t t, const char *text) { - impl_def_val *def = calloc(1, sizeof(*def)); - def->type = t; - def->text = strdup(text); - return def; -} - -static inline void free_impl_def_val(impl_def_val *def) { - free(def->text); - free(def); -} - -typedef struct const_type { - token_t type; - char *name; -} const_type; - -static inline const_type *init_const_type(token_t type, const char *name) { - const_type *ct = calloc(1, sizeof(*ct)); - ct->type = type; - ct->name = strdup(name); - return ct; -} - -static inline void free_const_type(const_type *type) { - free(type->name); - free(type); -} - -typedef struct constant { - const_type *type; - char *name; - impl_def_val *val; -} constant; - -static inline constant *init_constant(const_type *type, const char *name, impl_def_val *val) { - constant *c = calloc(1, sizeof(*c)); - c->type = type; - c->name = strdup(name); - c->val = val; - return c; -} - -static inline void free_constant(constant *constant) { - free_const_type(constant->type); - free(constant->name); - free_impl_def_val(constant->val); - free(constant); -} - -typedef struct constants { - size_t count; - constant **list; -} constants; - -static inline constants *add_constant(constants *constants, constant *constant) { - if (!constants) { - constants = calloc(1, sizeof(*constants)); - } - constants->list = realloc(constants->list, ++constants->count * sizeof(*constants->list)); - constants->list[constants->count-1] = constant; - return constants; -} - -static inline void free_constants(constants *c) { - size_t i; - - for (i = 0; i < c->count; ++i) { - free_constant(c->list[i]); - } - free(c->list); - free(c); -} - -typedef struct impl_arg { - impl_type *type; - impl_var *var; - impl_def_val *def; - impl_val val; - zval *_zv; -} impl_arg; - -static inline impl_arg *init_impl_arg(impl_type *type, impl_var *var, impl_def_val *def) { - impl_arg *arg = calloc(1, sizeof(*arg)); - arg->type = type; - arg->var = var; - arg->def = def; - return arg; -} +#include "data.h" +#include "token.h" +#include "types.h" +#include "cpp.h" -static inline void free_impl_arg(impl_arg *arg) { - free_impl_type(arg->type); - free_impl_var(arg->var); - if (arg->def) { - free_impl_def_val(arg->def); - } - free(arg); -} +struct psi_cpp; -typedef struct impl_args { - impl_arg **args; - size_t count; -} impl_args; - -static inline impl_args *init_impl_args(impl_arg *arg) { - impl_args *args = calloc(1, sizeof(*args)); - if (arg) { - args->count = 1; - args->args = calloc(1, sizeof(*args->args)); - args->args[0] = arg; - } - return args; -} - -static inline impl_args *add_impl_arg(impl_args *args, impl_arg *arg) { - args->args = realloc(args->args, ++args->count * sizeof(*args->args)); - args->args[args->count-1] = arg; - return args; -} - -static inline void free_impl_args(impl_args *args) { - size_t i; - - for (i = 0; i < args->count; ++i) { - free_impl_arg(args->args[i]); - } - free(args->args); - free(args); -} - -typedef struct impl_func { - char *name; - impl_args *args; - impl_type *return_type; - unsigned return_reference:1; -} impl_func; - -static inline impl_func *init_impl_func(char *name, impl_args *args, impl_type *type, int ret_reference) { - impl_func *func = calloc(1, sizeof(*func)); - func->name = strdup(name); - func->args = args ? args : init_impl_args(NULL); - func->return_type = type; - func->return_reference = ret_reference; - return func; -} - -static inline void free_impl_func(impl_func *f) { - free_impl_type(f->return_type); - free_impl_args(f->args); - free(f->name); - free(f); -} - -typedef struct num_exp { - token_t t; - union { - char *numb; - char *cnst; - decl_var *dvar; - } u; - token_t operator; - struct num_exp *operand; -} num_exp; - -static inline num_exp *init_num_exp(token_t t, void *num) { - num_exp *exp = calloc(1, sizeof(*exp)); - switch (exp->t = t) { - case PSI_T_NUMBER: - exp->u.numb = strdup(num); - break; - case PSI_T_NSNAME: - exp->u.cnst = strdup(num); - break; - case PSI_T_NAME: - exp->u.dvar = num; - break; - EMPTY_SWITCH_DEFAULT_CASE(); - } - return exp; -} - -static inline void free_num_exp(num_exp *exp) { - switch (exp->t) { - case PSI_T_NUMBER: - free(exp->u.numb); - break; - case PSI_T_NSNAME: - free(exp->u.cnst); - break; - case PSI_T_NAME: - free_decl_var(exp->u.dvar); - break; - EMPTY_SWITCH_DEFAULT_CASE(); - } - if (exp->operand) { - free_num_exp(exp->operand); - } - free(exp); -} - -typedef struct let_calloc { - num_exp *nmemb; - num_exp *size; -} let_calloc; - -static inline let_calloc *init_let_calloc(num_exp *nmemb, num_exp *size) { - let_calloc *alloc = calloc(1, sizeof(*alloc)); - alloc->nmemb = nmemb; - alloc->size = size; - return alloc; -} - -static inline void free_let_calloc(let_calloc *alloc) { - free_num_exp(alloc->nmemb); - free_num_exp(alloc->size); - free(alloc); -} - -typedef struct let_func { - token_t type; - char *name; - let_calloc *alloc; -} let_func; - -static inline let_func *init_let_func(token_t type, const char *name, let_calloc *alloc) { - let_func *func = calloc(1, sizeof(*func)); - func->type = type; - func->name = strdup(name); - func->alloc = alloc; - return func; -} - -static inline void free_let_func(let_func *func) { - if (func->alloc) { - free_let_calloc(func->alloc); - } - free(func->name); - free(func); -} - -typedef struct let_value { - let_func *func; - impl_var *var; - unsigned is_reference:1; -} let_value; - -static inline let_value *init_let_value(let_func *func, impl_var *var, int is_reference) { - let_value *val = calloc(1, sizeof(*val)); - val->is_reference = is_reference; - val->func = func; - val->var = var; - return val; -} - -static inline void free_let_value(let_value *val) { - if (val->func) { - free_let_func(val->func); - } - if (val->var) { - free_impl_var(val->var); - } - free(val); -} - -typedef struct let_stmt { - decl_var *var; - let_value *val; - impl_arg *arg; - impl_val out; - void *ptr; - void *mem; -} let_stmt; - -static inline let_stmt *init_let_stmt(decl_var *var, let_value *val) { - let_stmt *let = calloc(1, sizeof(*let)); - let->var = var; - let->val = val; - return let; -} - -static inline void free_let_stmt(let_stmt *stmt) { - free_decl_var(stmt->var); - if (stmt->val) { - free_let_value(stmt->val); - } - free(stmt); -} - -struct set_value; - -typedef struct set_func { - token_t type; - char *name; - void (*handler)(zval *, struct set_value *set, impl_val *ret_val); -} set_func; - -static inline set_func *init_set_func(token_t type, const char *name) { - set_func *func = calloc(1, sizeof(*func)); - func->type = type; - func->name = strdup(name); - return func; -} - -static inline void free_set_func(set_func *func) { - free(func->name); - free(func); -} - -typedef struct set_value { - set_func *func; - decl_vars *vars; - struct { - struct set_value *set; - impl_val *val; - } outer; - struct set_value **inner; - size_t count; -} set_value; - -static inline set_value *init_set_value(set_func *func, decl_vars *vars) { - set_value *val = calloc(1, sizeof(*val)); - val->func = func; - val->vars = vars; - return val; -} -static inline set_value *add_inner_set_value(set_value *val, set_value *inner) { - val->inner = realloc(val->inner, ++val->count * sizeof(*val->inner)); - val->inner[val->count-1] = inner; - return val; -} - -static inline void free_set_value(set_value *val) { - free_set_func(val->func); - free_decl_vars(val->vars); - if (val->inner) { - size_t i; - for (i = 0; i < val->count; ++i) { - free_set_value(val->inner[i]); - } - free(val->inner); - } - free(val); -} - -typedef struct set_stmt { - impl_var *var; - set_value *val; - impl_arg *arg; -} set_stmt; - -static inline set_stmt *init_set_stmt(impl_var *var, set_value *val) { - set_stmt *set = calloc(1, sizeof(*set)); - set->var = var; - set->val = val; - return set; -} - -static inline void free_set_stmt(set_stmt *set) { - free_impl_var(set->var); - free_set_value(set->val); - free(set); -} - -typedef struct return_stmt { - set_value *set; - decl_arg *decl; -} return_stmt; - -static inline return_stmt *init_return_stmt(set_value *val) { - return_stmt *ret = calloc(1, sizeof(*ret)); - ret->set = val; - return ret; -} - -static inline void free_return_stmt(return_stmt *ret) { - //free_set_func(ret->func); - //free_decl_var(ret->decl); - free_set_value(ret->set); - free(ret); -} - -typedef struct free_call { - char *func; - decl_vars *vars; - decl *decl; -} free_call; - -static inline free_call *init_free_call(const char *func, decl_vars *vars) { - free_call *f = calloc(1, sizeof(*f)); - f->func = strdup(func); - f->vars = vars; - return f; -} - -static inline void free_free_call(free_call *f) { - free(f->func); - free(f); -} - -typedef struct free_calls { - free_call **list; - size_t count; -} free_calls; - -static inline free_calls *init_free_calls(free_call *f) { - free_calls *fcs = calloc(1, sizeof(*fcs)); - if (f) { - fcs->count = 1; - fcs->list = calloc(1, sizeof(*fcs->list)); - fcs->list[0] = f; - } - return fcs; -} - -static inline void free_free_calls(free_calls *fcs) { - size_t i; - - for (i = 0; i < fcs->count; ++i) { - free_free_call(fcs->list[i]); - } - free(fcs->list); - free(fcs); -} - -static inline free_calls *add_free_call(free_calls *fcs, free_call *f) { - fcs->list = realloc(fcs->list, ++fcs->count * sizeof(*fcs->list)); - fcs->list[fcs->count-1] = f; - return fcs; -} - -typedef struct free_stmt { - free_calls *calls; -} free_stmt; - -static inline free_stmt *init_free_stmt(free_calls *calls) { - free_stmt *f = calloc(1, sizeof(*f)); - f->calls = calls; - return f; -} - -static inline void free_free_stmt(free_stmt *f) { - free_free_calls(f->calls); - free(f); -} - -typedef struct impl_stmt { - token_t type; - union { - let_stmt *let; - set_stmt *set; - return_stmt *ret; - free_stmt *fre; - void *ptr; - } s; -} impl_stmt; - -static inline impl_stmt *init_impl_stmt(token_t type, void *ptr) { - impl_stmt *stmt = calloc(1, sizeof(*stmt)); - stmt->type = type; - stmt->s.ptr = ptr; - return stmt; -} - -static inline void free_impl_stmt(impl_stmt *stmt) { - switch (stmt->type) { - case PSI_T_LET: - free_let_stmt(stmt->s.let); - break; - case PSI_T_SET: - free_set_stmt(stmt->s.set); - break; - case PSI_T_RETURN: - free_return_stmt(stmt->s.ret); - break; - case PSI_T_FREE: - free_free_stmt(stmt->s.fre); - break; - } - free(stmt); -} - -typedef struct impl_stmts { - struct { - return_stmt **list; - size_t count; - } ret; - struct { - let_stmt **list; - size_t count; - } let; - struct { - set_stmt **list; - size_t count; - } set; - struct { - free_stmt **list; - size_t count; - } fre; -} impl_stmts; - -static inline void *add_impl_stmt_ex(void *list, size_t count, void *stmt) { - list = realloc(list, count * sizeof(list)); - ((void **)list)[count-1] = stmt; - return list; -} - -static inline impl_stmts *add_impl_stmt(impl_stmts *stmts, impl_stmt *stmt) { - switch (stmt->type) { - case PSI_T_RETURN: - stmts->ret.list = add_impl_stmt_ex(stmts->ret.list, ++stmts->ret.count, stmt->s.ret); - break; - case PSI_T_LET: - stmts->let.list = add_impl_stmt_ex(stmts->let.list, ++stmts->let.count, stmt->s.let); - break; - case PSI_T_SET: - stmts->set.list = add_impl_stmt_ex(stmts->set.list, ++stmts->set.count, stmt->s.set); - break; - case PSI_T_FREE: - stmts->fre.list = add_impl_stmt_ex(stmts->fre.list, ++stmts->fre.count, stmt->s.fre); - break; - } - free(stmt); - return stmts; -} - -static inline impl_stmts *init_impl_stmts(impl_stmt *stmt) { - impl_stmts *stmts = calloc(1, sizeof(*stmts)); - return add_impl_stmt(stmts, stmt); -} - -static inline void free_impl_stmts(impl_stmts *stmts) { - size_t i; - - for (i = 0; i < stmts->let.count; ++i) { - free_let_stmt(stmts->let.list[i]); - } - free(stmts->let.list); - for (i = 0; i < stmts->ret.count; ++i) { - free_return_stmt(stmts->ret.list[i]); - } - free(stmts->ret.list); - for (i = 0; i < stmts->set.count; ++i) { - free_set_stmt(stmts->set.list[i]); - } - free(stmts->set.list); - for (i = 0; i < stmts->fre.count; ++i) { - free_free_stmt(stmts->fre.list[i]); - } - free(stmts->fre.list); - free(stmts); -} - -typedef struct impl { - impl_func *func; - impl_stmts *stmts; - decl *decl; -} impl; - -static inline impl *init_impl(impl_func *func, impl_stmts *stmts) { - impl *i = calloc(1, sizeof(*i)); - i->func = func; - i->stmts = stmts; - return i; -} - -static inline void free_impl(impl *impl) { - free_impl_func(impl->func); - free_impl_stmts(impl->stmts); - free(impl); -} - -typedef struct impls { - size_t count; - impl **list; -} impls; - -static inline impls *add_impl(impls *impls, impl *impl) { - if (!impls) { - impls = calloc(1, sizeof(*impls)); - } - impls->list = realloc(impls->list, ++impls->count * sizeof(*impls->list)); - impls->list[impls->count-1] = impl; - return impls; -} - -static void free_impls(impls *impls) { - size_t i; - - for (i = 0; i < impls->count; ++i) { - free_impl(impls->list[i]); - } - free(impls->list); - free(impls); -} - - -#define PSI_ERROR 16 -#define PSI_WARNING 32 -typedef void (*psi_error_cb)(int type, const char *msg, ...); - -typedef struct decl_file { - char *ln; - char *fn; -} decl_file; - -static inline void free_decl_file(decl_file *file) { - if (file->ln) { - free(file->ln); - } - if (file->fn) { - free(file->fn); - } - memset(file, 0, sizeof(*file)); -} - -typedef struct decl_libs { - void **dl; - size_t count; -} decl_libs; - -static inline void free_decl_libs(decl_libs *libs) { - if (libs->dl) { - size_t i; - for (i = 0; i < libs->count; ++i) { - if (libs->dl[i]) { - dlclose(libs->dl[i]); - } - } - free(libs->dl); - } - memset(libs, 0, sizeof(*libs)); -} - -static inline void add_decl_lib(decl_libs *libs, void *dlopened) { - libs->dl = realloc(libs->dl, ++libs->count * sizeof(*libs->dl)); - libs->dl[libs->count-1] = dlopened; -} - -#define PSI_DATA(D) ((PSI_Data *) (D)) -#define PSI_DATA_MEMBERS \ - constants *consts; \ - decl_typedefs *defs; \ - decl_structs *structs; \ - decls *decls; \ - impls *impls; \ - union { \ - decl_file file; \ - decl_libs libs; \ - } psi; \ - psi_error_cb error -typedef struct PSI_Data { +struct psi_parser { PSI_DATA_MEMBERS; -} PSI_Data; - -static inline PSI_Data *PSI_DataExchange(PSI_Data *dest, PSI_Data *src) { - if (!dest) { - dest = malloc(sizeof(*dest)); - } - memcpy(dest, src, sizeof(*dest)); - memset(src, 0, sizeof(*src)); - return dest; -} - -static inline void PSI_DataDtor(PSI_Data *data) { - if (data->consts) { - free_constants(data->consts); - } - if (data->defs) { - free_decl_typedefs(data->defs); - } - if (data->structs) { - free_decl_structs(data->structs); - } - if (data->decls) { - free_decls(data->decls); - } - if (data->impls) { - free_impls(data->impls); - } - free_decl_file(&data->psi.file); -} - -typedef struct PSI_Parser { - PSI_DATA_MEMBERS; - FILE *fp; - unsigned flags; - unsigned errors; - void *proc; - size_t line; - token_t num; - char *cur, *tok, *lim, *eof, *ctx, *mrk, buf[BSIZE]; -} PSI_Parser; - -static inline PSI_Token *PSI_TokenAlloc(PSI_Parser *P) { - PSI_Token *T; - size_t token_len; - - if (P->cur < P->tok) { - return NULL; - } - - token_len = P->cur - P->tok; - - T = calloc(1, sizeof(*T) + token_len); - T->type = P->num; - T->line = P->line; - T->size = token_len; - T->text[token_len] = 0; - memcpy(T->text, P->tok, token_len); - - return T; -} -#define PSI_PARSER_DEBUG 0x1 + struct psi_cpp *preproc; +}; + +struct psi_parser_input { + size_t length; + char *file; + unsigned lines; + char buffer[1]; +}; + +struct psi_parser *psi_parser_init(struct psi_parser *P, psi_error_cb error, unsigned flags); +struct psi_parser_input *psi_parser_open_file(struct psi_parser *P, const char *filename, bool report_errors); +struct psi_parser_input *psi_parser_open_string(struct psi_parser *P, const char *string, size_t length); +struct psi_plist *psi_parser_scan(struct psi_parser *P, struct psi_parser_input *I); +struct psi_plist *psi_parser_preprocess(struct psi_parser *P, struct psi_plist **tokens); +bool psi_parser_process(struct psi_parser *P, struct psi_plist *tokens, size_t *processed); +bool psi_parser_parse(struct psi_parser *P, struct psi_parser_input *I); +void psi_parser_dtor(struct psi_parser *P); +void psi_parser_free(struct psi_parser **P); -PSI_Parser *PSI_ParserInit(PSI_Parser *P, const char *filename, psi_error_cb error, unsigned flags); -void PSI_ParserSyntaxError(PSI_Parser *P, const char *fn, size_t ln, const char *msg, ...); -size_t PSI_ParserFill(PSI_Parser *P, size_t n); -token_t PSI_ParserScan(PSI_Parser *P); -void PSI_ParserParse(PSI_Parser *P, PSI_Token *T); -void PSI_ParserDtor(PSI_Parser *P); -void PSI_ParserFree(PSI_Parser **P); #endif