reactos/dll/win32/vbscript/parse.h
2018-03-24 13:09:01 +01:00

278 lines
5.7 KiB
C

/*
* Copyright 2011 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#pragma once
typedef enum {
EXPR_ADD,
EXPR_AND,
EXPR_BOOL,
EXPR_BRACKETS,
EXPR_CONCAT,
EXPR_DIV,
EXPR_DOUBLE,
EXPR_EMPTY,
EXPR_EQUAL,
EXPR_EQV,
EXPR_EXP,
EXPR_GT,
EXPR_GTEQ,
EXPR_IDIV,
EXPR_IMP,
EXPR_IS,
EXPR_LT,
EXPR_LTEQ,
EXPR_ME,
EXPR_MEMBER,
EXPR_MOD,
EXPR_MUL,
EXPR_NEG,
EXPR_NEQUAL,
EXPR_NEW,
EXPR_NOARG, /* not a real expression */
EXPR_NOT,
EXPR_NOTHING,
EXPR_NULL,
EXPR_OR,
EXPR_STRING,
EXPR_SUB,
EXPR_ULONG,
EXPR_USHORT,
EXPR_XOR
} expression_type_t;
typedef struct _expression_t {
expression_type_t type;
struct _expression_t *next;
} expression_t;
typedef struct {
expression_t expr;
VARIANT_BOOL value;
} bool_expression_t;
typedef struct {
expression_t expr;
LONG value;
} int_expression_t;
typedef struct {
expression_t expr;
double value;
} double_expression_t;
typedef struct {
expression_t expr;
const WCHAR *value;
} string_expression_t;
typedef struct {
expression_t expr;
expression_t *subexpr;
} unary_expression_t;
typedef struct {
expression_t expr;
expression_t *left;
expression_t *right;
} binary_expression_t;
typedef struct {
expression_t expr;
expression_t *obj_expr;
const WCHAR *identifier;
expression_t *args;
} member_expression_t;
typedef enum {
STAT_ASSIGN,
STAT_CALL,
STAT_CONST,
STAT_DIM,
STAT_DOUNTIL,
STAT_DOWHILE,
STAT_EXITDO,
STAT_EXITFOR,
STAT_EXITFUNC,
STAT_EXITPROP,
STAT_EXITSUB,
STAT_FOREACH,
STAT_FORTO,
STAT_FUNC,
STAT_IF,
STAT_ONERROR,
STAT_SELECT,
STAT_SET,
STAT_STOP,
STAT_UNTIL,
STAT_WHILE,
STAT_WHILELOOP
} statement_type_t;
typedef struct _statement_t {
statement_type_t type;
struct _statement_t *next;
} statement_t;
typedef struct {
statement_t stat;
member_expression_t *expr;
BOOL is_strict;
} call_statement_t;
typedef struct {
statement_t stat;
member_expression_t *member_expr;
expression_t *value_expr;
} assign_statement_t;
typedef struct _dim_list_t {
unsigned val;
struct _dim_list_t *next;
} dim_list_t;
typedef struct _dim_decl_t {
const WCHAR *name;
BOOL is_array;
BOOL is_public; /* Used only for class members. */
dim_list_t *dims;
struct _dim_decl_t *next;
} dim_decl_t;
typedef struct _dim_statement_t {
statement_t stat;
dim_decl_t *dim_decls;
} dim_statement_t;
typedef struct _arg_decl_t {
const WCHAR *name;
BOOL by_ref;
struct _arg_decl_t *next;
} arg_decl_t;
typedef struct _function_decl_t {
const WCHAR *name;
function_type_t type;
BOOL is_public;
arg_decl_t *args;
statement_t *body;
struct _function_decl_t *next;
struct _function_decl_t *next_prop_func;
} function_decl_t;
typedef struct {
statement_t stat;
function_decl_t *func_decl;
} function_statement_t;
typedef struct _class_decl_t {
const WCHAR *name;
function_decl_t *funcs;
dim_decl_t *props;
struct _class_decl_t *next;
} class_decl_t;
typedef struct _elseif_decl_t {
expression_t *expr;
statement_t *stat;
struct _elseif_decl_t *next;
} elseif_decl_t;
typedef struct {
statement_t stat;
expression_t *expr;
statement_t *if_stat;
elseif_decl_t *elseifs;
statement_t *else_stat;
} if_statement_t;
typedef struct {
statement_t stat;
expression_t *expr;
statement_t *body;
} while_statement_t;
typedef struct {
statement_t stat;
const WCHAR *identifier;
expression_t *from_expr;
expression_t *to_expr;
expression_t *step_expr;
statement_t *body;
} forto_statement_t;
typedef struct {
statement_t stat;
const WCHAR *identifier;
expression_t *group_expr;
statement_t *body;
} foreach_statement_t;
typedef struct {
statement_t stat;
BOOL resume_next;
} onerror_statement_t;
typedef struct _const_decl_t {
const WCHAR *name;
expression_t *value_expr;
struct _const_decl_t *next;
} const_decl_t;
typedef struct {
statement_t stat;
const_decl_t *decls;
} const_statement_t;
typedef struct _case_clausule_t {
expression_t *expr;
statement_t *stat;
struct _case_clausule_t *next;
} case_clausule_t;
typedef struct {
statement_t stat;
expression_t *expr;
case_clausule_t *case_clausules;
} select_statement_t;
typedef struct {
const WCHAR *code;
const WCHAR *ptr;
const WCHAR *end;
BOOL option_explicit;
BOOL parse_complete;
BOOL is_html;
HRESULT hres;
int last_token;
unsigned last_nl;
statement_t *stats;
statement_t *stats_tail;
class_decl_t *class_decls;
heap_pool_t heap;
} parser_ctx_t;
HRESULT parse_script(parser_ctx_t*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN;
void parser_release(parser_ctx_t*) DECLSPEC_HIDDEN;
int parser_lex(void*,parser_ctx_t*) DECLSPEC_HIDDEN;
void *parser_alloc(parser_ctx_t*,size_t) DECLSPEC_HIDDEN;