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jscript: Propagate parser error location. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2020-02-03 14:47:39 +01:00 committed by Alexandre Julliard
parent bfb2e5d959
commit 27e4881c68
3 changed files with 22 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
dlls/jscript/compile.c
View File

@ -2508,7 +2508,7 @@ HRESULT compile_script(script_ctx_t *ctx, const WCHAR *code, UINT64 source_conte
}
}
hres = script_parse(ctx, &compiler, compiler.code->source, delimiter, from_eval, &compiler.parser);
hres = script_parse(ctx, &compiler, compiler.code, delimiter, from_eval, &compiler.parser);
if(FAILED(hres)) {
release_bytecode(compiler.code);
return hres;

4
dlls/jscript/parser.h
View File

@ -19,6 +19,7 @@
typedef struct _source_elements_t source_elements_t;
typedef struct _expression_t expression_t;
typedef struct _statement_t statement_t;
struct _bytecode_t;
typedef struct {
BOOL is_num;
@ -41,6 +42,7 @@ typedef struct _parser_ctx_t {
BOOL is_html;
BOOL lexer_error;
HRESULT hres;
unsigned error_loc;
ccval_t ccval;
unsigned cc_if_depth;
@ -48,7 +50,7 @@ typedef struct _parser_ctx_t {
heap_pool_t heap;
} parser_ctx_t;
HRESULT script_parse(script_ctx_t*,struct _compiler_ctx_t*,const WCHAR*,const WCHAR*,BOOL,parser_ctx_t**) DECLSPEC_HIDDEN;
HRESULT script_parse(script_ctx_t*,struct _compiler_ctx_t*,struct _bytecode_t*,const WCHAR*,BOOL,parser_ctx_t**) DECLSPEC_HIDDEN;
void parser_release(parser_ctx_t*) DECLSPEC_HIDDEN;
int parser_lex(void*,unsigned*,parser_ctx_t*) DECLSPEC_HIDDEN;

29
dlls/jscript/parser.y
View File

@ -27,7 +27,7 @@
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
static int parser_error(unsigned*,parser_ctx_t*,const char*);
static void set_error(parser_ctx_t*,UINT);
static void set_error(parser_ctx_t*,unsigned,HRESULT);
static BOOL explicit_error(parser_ctx_t*,void*,WCHAR);
static BOOL allow_auto_semicolon(parser_ctx_t*);
@ -495,7 +495,7 @@ Expression_opt
Expression_err
: Expression { $$ = $1; }
| error { set_error(ctx, JS_E_SYNTAX); YYABORT; }
| error { set_error(ctx, @$, JS_E_SYNTAX); YYABORT; }
/* ECMA-262 3rd Edition 11.14 */
Expression
@ -881,19 +881,19 @@ BooleanLiteral
semicolon_opt
: ';'
| error { if(!allow_auto_semicolon(ctx)) {YYABORT;} else { ctx->hres = S_OK; } }
| error { if(!allow_auto_semicolon(ctx)) {YYABORT;} else { ctx->hres = S_OK; ctx->error_loc = -1; } }
left_bracket
: '('
| error { set_error(ctx, JS_E_MISSING_LBRACKET); YYABORT; }
| error { set_error(ctx, @$, JS_E_MISSING_LBRACKET); YYABORT; }
right_bracket
: ')'
| error { set_error(ctx, JS_E_MISSING_RBRACKET); YYABORT; }
| error { set_error(ctx, @$, JS_E_MISSING_RBRACKET); YYABORT; }
semicolon
: ';'
| error { set_error(ctx, JS_E_MISSING_SEMICOLON); YYABORT; }
| error { set_error(ctx, @$, JS_E_MISSING_SEMICOLON); YYABORT; }
%%
@ -1464,22 +1464,25 @@ static expression_t *new_call_expression(parser_ctx_t *ctx, expression_t *expres
static int parser_error(unsigned *loc, parser_ctx_t *ctx, const char *str)
{
if(ctx->error_loc == -1)
ctx->error_loc = *loc;
if(ctx->hres == S_OK)
ctx->hres = JS_E_SYNTAX;
WARN("%s: %s\n", debugstr_w(ctx->begin + *loc), str);
return 0;
}
static void set_error(parser_ctx_t *ctx, UINT error)
static void set_error(parser_ctx_t *ctx, unsigned loc, HRESULT error)
{
ctx->hres = error;
ctx->error_loc = loc;
}
static BOOL explicit_error(parser_ctx_t *ctx, void *obj, WCHAR next)
{
if(obj || *(ctx->ptr-1)==next) return TRUE;
set_error(ctx, JS_E_SYNTAX);
set_error(ctx, ctx->ptr - ctx->begin /* FIXME */, JS_E_SYNTAX);
return FALSE;
}
@ -1563,7 +1566,7 @@ void parser_release(parser_ctx_t *ctx)
heap_free(ctx);
}
HRESULT script_parse(script_ctx_t *ctx, struct _compiler_ctx_t *compiler, const WCHAR *code, const WCHAR *delimiter, BOOL from_eval,
HRESULT script_parse(script_ctx_t *ctx, struct _compiler_ctx_t *compiler, bytecode_t *code, const WCHAR *delimiter, BOOL from_eval,
parser_ctx_t **ret)
{
parser_ctx_t *parser_ctx;
@ -1576,9 +1579,10 @@ HRESULT script_parse(script_ctx_t *ctx, struct _compiler_ctx_t *compiler, const
if(!parser_ctx)
return E_OUTOFMEMORY;
parser_ctx->error_loc = -1;
parser_ctx->is_html = delimiter && !wcsicmp(delimiter, html_tagW);
parser_ctx->begin = parser_ctx->ptr = code;
parser_ctx->begin = parser_ctx->ptr = code->source;
parser_ctx->end = parser_ctx->begin + lstrlenW(parser_ctx->begin);
script_addref(ctx);
@ -1596,8 +1600,11 @@ HRESULT script_parse(script_ctx_t *ctx, struct _compiler_ctx_t *compiler, const
if(FAILED(hres)) {
WARN("parser failed around %s\n",
debugstr_w(parser_ctx->begin+20 > parser_ctx->ptr ? parser_ctx->begin : parser_ctx->ptr-20));
throw_error(ctx, hres, NULL);
set_error_location(ctx->ei, code, parser_ctx->error_loc, IDS_COMPILATION_ERROR);
parser_release(parser_ctx);
return hres;
return DISP_E_EXCEPTION;
}
*ret = parser_ctx;