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![Paul Gofman](/assets/img/avatar_default.png)
Signed-off-by: Paul Gofman <pgofman@codeweavers.com> Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
411 lines
8.6 KiB
C
411 lines
8.6 KiB
C
/*
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* Copyright 2014 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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typedef struct _expression_t expression_t;
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typedef struct _statement_t statement_t;
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struct _bytecode_t;
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typedef struct {
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BOOL is_num;
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union {
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BOOL b;
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double n;
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} u;
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} ccval_t;
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typedef struct _parser_ctx_t {
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const WCHAR *begin;
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const WCHAR *end;
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const WCHAR *ptr;
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script_ctx_t *script;
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struct _compiler_ctx_t *compiler;
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statement_t *source;
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BOOL nl;
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BOOL implicit_nl_semicolon;
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BOOL is_html;
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BOOL lexer_error;
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HRESULT hres;
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unsigned error_loc;
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ccval_t ccval;
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unsigned cc_if_depth;
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heap_pool_t heap;
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} parser_ctx_t;
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HRESULT script_parse(script_ctx_t*,struct _compiler_ctx_t*,struct _bytecode_t*,const WCHAR*,BOOL,parser_ctx_t**) DECLSPEC_HIDDEN;
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void parser_release(parser_ctx_t*) DECLSPEC_HIDDEN;
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int parser_lex(void*,unsigned*,parser_ctx_t*) DECLSPEC_HIDDEN;
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static inline void *parser_alloc(parser_ctx_t *ctx, DWORD size)
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{
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return heap_pool_alloc(&ctx->heap, size);
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}
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static inline void *parser_alloc_tmp(parser_ctx_t *ctx, DWORD size)
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{
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return heap_pool_alloc(&ctx->script->tmp_heap, size);
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}
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BOOL is_identifier_char(WCHAR) DECLSPEC_HIDDEN;
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BOOL unescape(WCHAR*,size_t*) DECLSPEC_HIDDEN;
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HRESULT parse_decimal(const WCHAR**,const WCHAR*,double*) DECLSPEC_HIDDEN;
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typedef enum {
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LT_DOUBLE,
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LT_STRING,
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LT_BOOL,
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LT_NULL,
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LT_REGEXP
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}literal_type_t;
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typedef struct {
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literal_type_t type;
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union {
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double dval;
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jsstr_t *str;
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BOOL bval;
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struct {
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jsstr_t *str;
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DWORD flags;
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} regexp;
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} u;
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} literal_t;
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literal_t *parse_regexp(parser_ctx_t*) DECLSPEC_HIDDEN;
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literal_t *new_boolean_literal(parser_ctx_t*,BOOL) DECLSPEC_HIDDEN;
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typedef struct _variable_declaration_t {
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const WCHAR *identifier;
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BOOL block_scope, constant;
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expression_t *expr;
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struct _variable_declaration_t *next;
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struct _variable_declaration_t *global_next; /* for compiler */
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} variable_declaration_t;
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typedef enum {
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STAT_BLOCK,
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STAT_BREAK,
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STAT_CONTINUE,
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STAT_EMPTY,
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STAT_EXPR,
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STAT_FOR,
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STAT_FORIN,
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STAT_IF,
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STAT_LABEL,
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STAT_RETURN,
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STAT_SWITCH,
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STAT_THROW,
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STAT_TRY,
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STAT_VAR,
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STAT_WHILE,
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STAT_WITH
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} statement_type_t;
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struct _statement_t {
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statement_type_t type;
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statement_t *next;
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unsigned loc;
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};
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typedef struct {
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statement_t stat;
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unsigned int scope_index;
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statement_t *stat_list;
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} block_statement_t;
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typedef struct {
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statement_t stat;
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variable_declaration_t *variable_list;
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} var_statement_t;
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typedef struct {
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statement_t stat;
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expression_t *expr;
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} expression_statement_t;
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typedef struct {
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statement_t stat;
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expression_t *expr;
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statement_t *if_stat;
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statement_t *else_stat;
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} if_statement_t;
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typedef struct {
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statement_t stat;
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BOOL do_while;
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expression_t *expr;
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statement_t *statement;
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} while_statement_t;
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typedef struct {
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statement_t stat;
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variable_declaration_t *variable_list;
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expression_t *begin_expr;
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expression_t *expr;
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unsigned expr_loc;
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expression_t *end_expr;
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unsigned end_loc;
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statement_t *statement;
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unsigned int scope_index;
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} for_statement_t;
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typedef struct {
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statement_t stat;
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variable_declaration_t *variable;
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expression_t *expr;
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expression_t *in_expr;
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statement_t *statement;
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} forin_statement_t;
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typedef struct {
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statement_t stat;
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const WCHAR *identifier;
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} branch_statement_t;
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typedef struct {
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statement_t stat;
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expression_t *expr;
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statement_t *statement;
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} with_statement_t;
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typedef struct {
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statement_t stat;
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const WCHAR *identifier;
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statement_t *statement;
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} labelled_statement_t;
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typedef struct _case_clausule_t {
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expression_t *expr;
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unsigned loc;
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statement_t *stat;
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struct _case_clausule_t *next;
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} case_clausule_t;
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typedef struct {
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statement_t stat;
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expression_t *expr;
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case_clausule_t *case_list;
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} switch_statement_t;
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typedef struct {
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const WCHAR *identifier;
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statement_t *statement;
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} catch_block_t;
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typedef struct {
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statement_t stat;
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statement_t *try_statement;
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catch_block_t *catch_block;
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statement_t *finally_statement;
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unsigned finally_loc;
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} try_statement_t;
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typedef enum {
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EXPR_COMMA,
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EXPR_OR,
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EXPR_AND,
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EXPR_BOR,
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EXPR_BXOR,
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EXPR_BAND,
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EXPR_INSTANCEOF,
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EXPR_IN,
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EXPR_ADD,
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EXPR_SUB,
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EXPR_MUL,
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EXPR_DIV,
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EXPR_MOD,
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EXPR_DELETE,
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EXPR_VOID,
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EXPR_TYPEOF,
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EXPR_MINUS,
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EXPR_PLUS,
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EXPR_POSTINC,
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EXPR_POSTDEC,
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EXPR_PREINC,
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EXPR_PREDEC,
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EXPR_EQ,
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EXPR_EQEQ,
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EXPR_NOTEQ,
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EXPR_NOTEQEQ,
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EXPR_LESS,
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EXPR_LESSEQ,
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EXPR_GREATER,
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EXPR_GREATEREQ,
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EXPR_BITNEG,
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EXPR_LOGNEG,
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EXPR_LSHIFT,
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EXPR_RSHIFT,
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EXPR_RRSHIFT,
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EXPR_ASSIGN,
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EXPR_ASSIGNLSHIFT,
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EXPR_ASSIGNRSHIFT,
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EXPR_ASSIGNRRSHIFT,
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EXPR_ASSIGNADD,
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EXPR_ASSIGNSUB,
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EXPR_ASSIGNMUL,
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EXPR_ASSIGNDIV,
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EXPR_ASSIGNMOD,
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EXPR_ASSIGNAND,
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EXPR_ASSIGNOR,
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EXPR_ASSIGNXOR,
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EXPR_COND,
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EXPR_ARRAY,
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EXPR_MEMBER,
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EXPR_NEW,
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EXPR_CALL,
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EXPR_THIS,
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EXPR_FUNC,
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EXPR_IDENT,
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EXPR_ARRAYLIT,
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EXPR_PROPVAL,
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EXPR_LITERAL
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} expression_type_t;
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struct _expression_t {
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expression_type_t type;
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};
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typedef struct _parameter_t {
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const WCHAR *identifier;
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struct _parameter_t *next;
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} parameter_t;
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typedef struct _function_expression_t {
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expression_t expr;
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const WCHAR *identifier;
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const WCHAR *event_target;
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parameter_t *parameter_list;
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statement_t *statement_list;
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const WCHAR *src_str;
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DWORD src_len;
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unsigned func_id;
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BOOL is_statement;
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unsigned int scope_index;
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struct _function_expression_t *next; /* for compiler */
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} function_expression_t;
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typedef struct {
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expression_t expr;
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expression_t *expression1;
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expression_t *expression2;
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} binary_expression_t;
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typedef struct {
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expression_t expr;
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expression_t *expression;
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} unary_expression_t;
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typedef struct {
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expression_t expr;
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expression_t *expression;
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expression_t *true_expression;
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expression_t *false_expression;
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} conditional_expression_t;
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typedef struct {
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expression_t expr;
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expression_t *expression;
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const WCHAR *identifier;
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} member_expression_t;
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typedef struct _argument_t {
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expression_t *expr;
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struct _argument_t *next;
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} argument_t;
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typedef struct {
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expression_t expr;
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expression_t *expression;
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argument_t *argument_list;
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} call_expression_t;
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typedef struct {
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expression_t expr;
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const WCHAR *identifier;
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} identifier_expression_t;
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typedef struct {
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expression_t expr;
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literal_t *literal;
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} literal_expression_t;
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typedef struct _array_element_t {
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int elision;
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expression_t *expr;
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struct _array_element_t *next;
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} array_element_t;
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typedef struct {
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expression_t expr;
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array_element_t *element_list;
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int length;
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} array_literal_expression_t;
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typedef struct _property_definition_t {
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unsigned type;
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literal_t *name;
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expression_t *value;
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struct _property_definition_t *next;
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} property_definition_t;
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typedef struct {
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expression_t expr;
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property_definition_t *property_list;
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} property_value_expression_t;
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BOOL try_parse_ccval(parser_ctx_t*,ccval_t*) DECLSPEC_HIDDEN;
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BOOL parse_cc_expr(parser_ctx_t*) DECLSPEC_HIDDEN;
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static inline ccval_t ccval_num(double n)
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{
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ccval_t r;
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r.is_num = TRUE;
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r.u.n = n;
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return r;
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}
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static inline ccval_t ccval_bool(BOOL b)
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{
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ccval_t r;
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r.is_num = FALSE;
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r.u.b = b;
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return r;
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}
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static inline BOOL get_ccbool(ccval_t v)
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{
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return v.is_num ? v.u.n != 0 : v.u.b;
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}
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static inline double get_ccnum(ccval_t v)
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{
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return v.is_num ? v.u.n : v.u.b;
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}
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jsstr_t *compiler_alloc_string_len(struct _compiler_ctx_t*,const WCHAR *,unsigned) DECLSPEC_HIDDEN;
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