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