From 290f5631993ddd77df7be1b836f0948d6929d39f Mon Sep 17 00:00:00 2001 From: Jacek Caban Date: Thu, 18 Oct 2012 11:49:17 +0200 Subject: [PATCH] vbscript: Added support for HTML comments. --- dlls/vbscript/compile.c | 4 ++-- dlls/vbscript/lex.c | 26 +++++++++++++++++++------- dlls/vbscript/parse.h | 3 ++- dlls/vbscript/parser.y | 5 ++++- dlls/vbscript/vbscript.c | 4 ++-- dlls/vbscript/vbscript.h | 2 +- 6 files changed, 30 insertions(+), 14 deletions(-) diff --git a/dlls/vbscript/compile.c b/dlls/vbscript/compile.c index 327d97b1585..58afdf406a2 100644 --- a/dlls/vbscript/compile.c +++ b/dlls/vbscript/compile.c @@ -1644,7 +1644,7 @@ static void release_compiler(compile_ctx_t *ctx) release_vbscode(ctx->code); } -HRESULT compile_script(script_ctx_t *script, const WCHAR *src, vbscode_t **ret) +HRESULT compile_script(script_ctx_t *script, const WCHAR *src, const WCHAR *delimiter, vbscode_t **ret) { function_t *new_func; function_decl_t *func_decl; @@ -1653,7 +1653,7 @@ HRESULT compile_script(script_ctx_t *script, const WCHAR *src, vbscode_t **ret) vbscode_t *code; HRESULT hres; - hres = parse_script(&ctx.parser, src); + hres = parse_script(&ctx.parser, src, delimiter); if(FAILED(hres)) return hres; diff --git a/dlls/vbscript/lex.c b/dlls/vbscript/lex.c index 8e971e2cfac..65d2334c6ea 100644 --- a/dlls/vbscript/lex.c +++ b/dlls/vbscript/lex.c @@ -320,6 +320,16 @@ static void skip_spaces(parser_ctx_t *ctx) ctx->ptr++; } +static int comment_line(parser_ctx_t *ctx) +{ + ctx->ptr = strchrW(ctx->ptr, '\n'); + if(ctx->ptr) + ctx->ptr++; + else + ctx->ptr = ctx->end; + return tNL; +} + static int parse_next_token(void *lval, parser_ctx_t *ctx) { WCHAR c; @@ -347,18 +357,12 @@ static int parse_next_token(void *lval, parser_ctx_t *ctx) ctx->ptr++; return tNL; case '\'': - ctx->ptr = strchrW(ctx->ptr, '\n'); - if(ctx->ptr) - ctx->ptr++; - else - ctx->ptr = ctx->end; - return tNL; + return comment_line(ctx); case ':': case ')': case ',': case '=': case '+': - case '-': case '*': case '/': case '^': @@ -366,6 +370,11 @@ static int parse_next_token(void *lval, parser_ctx_t *ctx) case '.': case '_': return *ctx->ptr++; + case '-': + if(ctx->is_html && ctx->ptr[1] == '-' && ctx->ptr[2] == '>') + return comment_line(ctx); + ctx->ptr++; + return '-'; case '(': /* NOTE: * We resolve empty brackets in lexer instead of parser to avoid complex conflicts @@ -392,6 +401,9 @@ static int parse_next_token(void *lval, parser_ctx_t *ctx) case '=': ctx->ptr++; return tLTEQ; + case '!': + if(ctx->is_html && ctx->ptr[1] == '-' && ctx->ptr[2] == '-') + return comment_line(ctx); } return '<'; case '>': diff --git a/dlls/vbscript/parse.h b/dlls/vbscript/parse.h index df8f9b5fb52..74e0a8ae014 100644 --- a/dlls/vbscript/parse.h +++ b/dlls/vbscript/parse.h @@ -253,6 +253,7 @@ typedef struct { BOOL option_explicit; BOOL parse_complete; + BOOL is_html; HRESULT hres; int last_token; @@ -265,7 +266,7 @@ typedef struct { vbsheap_t heap; } parser_ctx_t; -HRESULT parse_script(parser_ctx_t*,const WCHAR*) DECLSPEC_HIDDEN; +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; diff --git a/dlls/vbscript/parser.y b/dlls/vbscript/parser.y index 3f86b041f96..8a2a9e3e18f 100644 --- a/dlls/vbscript/parser.y +++ b/dlls/vbscript/parser.y @@ -919,8 +919,10 @@ void *parser_alloc(parser_ctx_t *ctx, size_t size) return ret; } -HRESULT parse_script(parser_ctx_t *ctx, const WCHAR *code) +HRESULT parse_script(parser_ctx_t *ctx, const WCHAR *code, const WCHAR *delimiter) { + const WCHAR html_delimiterW[] = {'<','/','s','c','r','i','p','t','>',0}; + ctx->code = ctx->ptr = code; ctx->end = ctx->code + strlenW(ctx->code); @@ -934,6 +936,7 @@ HRESULT parse_script(parser_ctx_t *ctx, const WCHAR *code) ctx->stats = ctx->stats_tail = NULL; ctx->class_decls = NULL; ctx->option_explicit = FALSE; + ctx->is_html = delimiter && !strcmpiW(delimiter, html_delimiterW); parser_parse(ctx); diff --git a/dlls/vbscript/vbscript.c b/dlls/vbscript/vbscript.c index 05132a6cdff..1195f855d46 100644 --- a/dlls/vbscript/vbscript.c +++ b/dlls/vbscript/vbscript.c @@ -612,7 +612,7 @@ static HRESULT WINAPI VBScriptParse_ParseScriptText(IActiveScriptParse *iface, if(This->thread_id != GetCurrentThreadId() || This->state == SCRIPTSTATE_CLOSED) return E_UNEXPECTED; - hres = compile_script(This->ctx, pstrCode, &code); + hres = compile_script(This->ctx, pstrCode, pstrDelimiter, &code); if(FAILED(hres)) return hres; @@ -672,7 +672,7 @@ static HRESULT WINAPI VBScriptParseProcedure_ParseProcedureText(IActiveScriptPar if(This->thread_id != GetCurrentThreadId() || This->state == SCRIPTSTATE_CLOSED) return E_UNEXPECTED; - hres = compile_script(This->ctx, pstrCode, &code); + hres = compile_script(This->ctx, pstrCode, pstrDelimiter, &code); if(FAILED(hres)) return hres; diff --git a/dlls/vbscript/vbscript.h b/dlls/vbscript/vbscript.h index 41982dad23d..2ce93b60c95 100644 --- a/dlls/vbscript/vbscript.h +++ b/dlls/vbscript/vbscript.h @@ -326,7 +326,7 @@ struct _vbscode_t { }; void release_vbscode(vbscode_t*) DECLSPEC_HIDDEN; -HRESULT compile_script(script_ctx_t*,const WCHAR*,vbscode_t**) DECLSPEC_HIDDEN; +HRESULT compile_script(script_ctx_t*,const WCHAR*,const WCHAR*,vbscode_t**) DECLSPEC_HIDDEN; HRESULT exec_script(script_ctx_t*,function_t*,IDispatch*,DISPPARAMS*,VARIANT*) DECLSPEC_HIDDEN; void release_dynamic_vars(dynamic_var_t*) DECLSPEC_HIDDEN;