Sweden-Number/dlls/d3dcompiler_43/hlsl.l

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/*
* HLSL parser
*
* Copyright 2008 Stefan Dösinger
* Copyright 2012 Matteo Bruni 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
*/
%{
#include "config.h"
#include "wine/port.h"
#include "wine/debug.h"
#define YY_NO_UNISTD_H
#include "d3dcompiler_private.h"
#include "hlsl.tab.h"
WINE_DEFAULT_DEBUG_CHANNEL(hlsl_parser);
%}
%option noyywrap nounput noinput
%option prefix="hlsl_"
%x pp pp_line pp_pragma pp_ignore
RESERVED1 auto|case|catch|char|class|const_cast|default|delete|dynamic_cast|enum
RESERVED2 explicit|friend|goto|long|mutable|new|operator|private|protected|public
RESERVED3 reinterpret_cast|short|signed|sizeof|static_cast|template|this|throw|try
RESERVED4 typename|union|unsigned|using|virtual
WS [ \t]
NEWLINE (\n)|(\r\n)
STRING \"[^\"]*\"
ANY (.)
%%
{RESERVED1} {
hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
set_parse_status(&hlsl_ctx.status, PARSE_ERR);
}
{RESERVED2} {
hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
set_parse_status(&hlsl_ctx.status, PARSE_ERR);
}
{RESERVED3} {
hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
set_parse_status(&hlsl_ctx.status, PARSE_ERR);
}
{RESERVED4} {
hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
set_parse_status(&hlsl_ctx.status, PARSE_ERR);
}
{WS}+ {}
{NEWLINE} {
hlsl_ctx.line_no++;
}
^# {
BEGIN pp;
}
<pp>pragma{WS}+ {
TRACE("Got a #pragma.\n");
BEGIN pp_pragma;
}
<pp_pragma>pack_matrix{WS}*\({WS}*row_major{WS}*\) {
TRACE("#pragma setting row_major mode.\n");
hlsl_ctx.matrix_majority = HLSL_ROW_MAJOR;
BEGIN pp_ignore;
}
<pp_pragma>pack_matrix{WS}*\({WS}*column_major{WS}*\) {
TRACE("#pragma setting column_major mode.\n");
hlsl_ctx.matrix_majority = HLSL_COLUMN_MAJOR;
BEGIN pp_ignore;
}
<pp_pragma>{NEWLINE} {
FIXME("Unsupported preprocessor #pragma directive at line %u.\n", hlsl_ctx.line_no);
BEGIN INITIAL;
}
<pp_pragma>{ANY} {}
<pp>[0-9]+ {
TRACE("Preprocessor line info.\n");
BEGIN pp_line;
hlsl_lval.intval = (atoi(yytext));
return PRE_LINE;
}
<pp_line>{STRING} {
char *string = d3dcompiler_strdup(yytext + 1);
BEGIN pp_ignore;
string[strlen(string) - 1] = 0;
hlsl_lval.name = string;
return STRING;
}
<pp_line>{WS}+ {}
<pp_line>{NEWLINE} {
FIXME("Malformed preprocessor line directive?\n");
BEGIN INITIAL;
}
<pp_ignore>{NEWLINE} {
BEGIN INITIAL;
}
<pp_ignore>{ANY} {}
<pp>{NEWLINE} {
FIXME("Unexpected preprocessor directive.\n");
BEGIN INITIAL;
}
<pp>{ANY} {}
{ANY} {
return yytext[0];
}
%%
struct bwriter_shader *parse_hlsl(enum shader_type type, DWORD version, const char *entrypoint, char **messages);
struct bwriter_shader *parse_hlsl_shader(const char *text, enum shader_type type, DWORD version,
const char *entrypoint, char **messages)
{
struct bwriter_shader *ret = NULL;
YY_BUFFER_STATE buffer;
buffer = hlsl__scan_string(text);
hlsl__switch_to_buffer(buffer);
ret = parse_hlsl(type, version, entrypoint, messages);
hlsl__delete_buffer(buffer);
return ret;
}