mojoshader_parser_hlsl.lemon
author Ryan C. Gordon <icculus@icculus.org>
Sat, 28 Feb 2009 14:35:09 -0500
changeset 709 6fbd0e20b40f
parent 707 85b648e14089
child 721 82d1aec6b549
permissions -rw-r--r--
Removed some ANSI C things from the HLSL grammar that shaders don't do.
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/**
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 * MojoShader; generate shader programs from bytecode of compiled
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 *  Direct3D shaders.
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 *
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 * Please see the file LICENSE.txt in the source's root directory.
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 *
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 *  This file written by Ryan C. Gordon.
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 */
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// This is a Lemon Parser grammar for HLSL. It is based on an ANSI C YACC
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//  grammar by Jeff Lee: http://www.lysator.liu.se/c/ANSI-C-grammar-y.html
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// Lemon is here: http://www.hwaci.com/sw/lemon/  ...  the source is included
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//  with MojoShader, and built with the library, so you don't have to track
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//  down the dependency.
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// HLSL syntax is described, informally, here:
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//  http://msdn.microsoft.com/en-us/library/bb509615(VS.85).aspx
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%name ParseHLSL
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%start_symbol shader
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%token_prefix TOKEN_HLSL_
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%token_type { IncludeState * }
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%extra_argument { Context *ctx }
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%include {
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#ifndef __MOJOSHADER_HLSL_COMPILER__
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#error Do not compile this file directly.
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#endif
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}
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%parse_failure {
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    fprintf(stderr,"Giving up.  Parser is hopelessly lost...\n");
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}
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%stack_overflow {
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    fprintf(stderr,"Giving up.  Parser stack overflow\n");
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}
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// operator precedence (matches C spec)...
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%left COMMA.
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%right ASSIGN ADDASSIGN SUBASSIGN MULASSIGN DIVASSIGN MODASSIGN LSHIFTASSIGN
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       RSHIFTASSIGN ANDASSIGN ORASSIGN XORASSIGN.
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%right QUESTION.
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%left OROR.
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%left ANDAND.
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%left OR.
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%left XOR.
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%left AND.
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%left EQL NEQ.
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%left LT LEQ GT GEQ.
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%left LSHIFT RSHIFT.
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%left PLUS MINUS.
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%left STAR SLASH PERCENT.
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%right TYPECAST EXCLAMATION COMPLEMENT MINUSMINUS PLUSPLUS.
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%left DOT LBRACKET RBRACKET LPAREN RPAREN.
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// bump up the precedence of ELSE, to avoid shift/reduce conflict on the
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//  usual "dangling else ambiguity" ...
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%right ELSE.
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// The rules...
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shader ::= file.
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primary_expr ::= identifier.
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primary_expr ::= CONSTANT.
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primary_expr ::= STRING_LITERAL.
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primary_expr ::= LPAREN expr RPAREN.
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postfix_expr ::= primary_expr.
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postfix_expr ::= postfix_expr LBRACKET expr RBRACKET.
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postfix_expr ::= postfix_expr LPAREN RPAREN.
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postfix_expr ::= postfix_expr LPAREN argument_expr_list RPAREN.
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postfix_expr ::= postfix_expr DOT identifier.
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postfix_expr ::= postfix_expr PTR_OP identifier.
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postfix_expr ::= postfix_expr PLUSPLUS.
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postfix_expr ::= postfix_expr MINUSMINUS.
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argument_expr_list ::= assignment_expr.
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argument_expr_list ::= argument_expr_list COMMA assignment_expr.
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unary_expr ::= postfix_expr.
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unary_expr ::= PLUSPLUS unary_expr.
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unary_expr ::= MINUSMINUS unary_expr.
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unary_expr ::= unary_operator cast_expr.
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unary_expr ::= SIZEOF unary_expr.
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unary_expr ::= SIZEOF LPAREN type_name RPAREN.
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unary_operator ::= AND.
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unary_operator ::= STAR.
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unary_operator ::= PLUS.
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unary_operator ::= MINUS.
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unary_operator ::= COMPLEMENT.
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unary_operator ::= EXCLAMATION.
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cast_expr ::= unary_expr.
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cast_expr ::= LPAREN type_name RPAREN cast_expr.
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multiplicative_expr ::= cast_expr.
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multiplicative_expr ::= multiplicative_expr STAR cast_expr.
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multiplicative_expr ::= multiplicative_expr SLASH cast_expr.
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multiplicative_expr ::= multiplicative_expr PERCENT cast_expr.
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additive_expr ::= multiplicative_expr.
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additive_expr ::= additive_expr PLUS multiplicative_expr.
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additive_expr ::= additive_expr MINUS multiplicative_expr.
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shift_expr ::= additive_expr.
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shift_expr ::= shift_expr LSHIFT additive_expr.
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shift_expr ::= shift_expr RSHIFT additive_expr.
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relational_expr ::= shift_expr.
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relational_expr ::= relational_expr LT shift_expr.
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relational_expr ::= relational_expr GT shift_expr.
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relational_expr ::= relational_expr LEQ shift_expr.
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relational_expr ::= relational_expr GEQ shift_expr.
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equality_expr ::= relational_expr.
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equality_expr ::= equality_expr EQL relational_expr.
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equality_expr ::= equality_expr NEQ relational_expr.
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and_expr ::= equality_expr.
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and_expr ::= and_expr AND equality_expr.
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exclusive_or_expr ::= and_expr.
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exclusive_or_expr ::= exclusive_or_expr XOR and_expr.
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inclusive_or_expr ::= exclusive_or_expr.
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inclusive_or_expr ::= inclusive_or_expr OR exclusive_or_expr.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   135
logical_and_expr ::= inclusive_or_expr.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   136
logical_and_expr ::= logical_and_expr ANDAND inclusive_or_expr.
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7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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   137
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   138
logical_or_expr ::= logical_and_expr.
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   139
logical_or_expr ::= logical_or_expr OROR logical_and_expr.
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7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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   140
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   141
conditional_expr ::= logical_or_expr.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   142
conditional_expr ::= logical_or_expr QUESTION logical_or_expr COLON conditional_expr.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   143
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   144
assignment_expr ::= conditional_expr.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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assignment_expr ::= unary_expr assignment_operator assignment_expr.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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   146
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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assignment_operator ::= ASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   148
assignment_operator ::= MULASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   149
assignment_operator ::= DIVASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   150
assignment_operator ::= MODASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   151
assignment_operator ::= ADDASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   152
assignment_operator ::= SUBASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   153
assignment_operator ::= LSHIFTASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   154
assignment_operator ::= RSHIFTASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   155
assignment_operator ::= ANDASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   156
assignment_operator ::= XORASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   157
assignment_operator ::= ORASSIGN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   158
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   159
expr ::= assignment_expr.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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expr ::= expr COMMA assignment_expr.
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703
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   162
constant_expr ::= conditional_expr.
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diff changeset
   163
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   164
declaration ::= declaration_specifiers SEMICOLON.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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declaration ::= declaration_specifiers init_declarator_list SEMICOLON.
702
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703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   167
declaration_specifiers ::= storage_class_specifier.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   168
declaration_specifiers ::= storage_class_specifier declaration_specifiers.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   169
declaration_specifiers ::= type_specifier.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   170
declaration_specifiers ::= type_specifier declaration_specifiers.
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703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   172
init_declarator_list ::= init_declarator.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   173
init_declarator_list ::= init_declarator_list COMMA init_declarator.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   174
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   175
init_declarator ::= declarator.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   176
init_declarator ::= declarator ASSIGN initializer.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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   177
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   178
storage_class_specifier ::= TYPEDEF.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   179
storage_class_specifier ::= EXTERN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   180
storage_class_specifier ::= STATIC.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   181
storage_class_specifier ::= AUTO.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   182
storage_class_specifier ::= REGISTER.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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   183
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   184
type_specifier ::= CHAR.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   185
type_specifier ::= SHORT.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   186
type_specifier ::= INT.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   187
type_specifier ::= LONG.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   188
type_specifier ::= SIGNED.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   189
type_specifier ::= UNSIGNED.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   190
type_specifier ::= FLOAT.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   191
type_specifier ::= DOUBLE.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   192
type_specifier ::= CONST.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   193
type_specifier ::= VOLATILE.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   194
type_specifier ::= VOID.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   195
type_specifier ::= struct_or_union_specifier.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   196
type_specifier ::= TYPE_NAME.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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   197
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   198
struct_or_union_specifier ::= struct_or_union identifier LBRACE
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   199
                              struct_declaration_list RBRACE.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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   200
struct_or_union_specifier ::= struct_or_union LBRACE struct_declaration_list
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   201
                              RBRACE.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   202
struct_or_union_specifier ::= struct_or_union identifier.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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   203
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   204
struct_or_union ::= STRUCT.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   205
struct_or_union ::= UNION.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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diff changeset
   206
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   207
struct_declaration_list ::= struct_declaration.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   208
struct_declaration_list ::= struct_declaration_list struct_declaration.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   209
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   210
struct_declaration ::= type_specifier_list struct_declarator_list SEMICOLON.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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diff changeset
   211
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   212
struct_declarator_list ::= struct_declarator.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   213
struct_declarator_list ::= struct_declarator_list COMMA struct_declarator.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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parents: 702
diff changeset
   214
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   215
struct_declarator ::= declarator.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   216
struct_declarator ::= COLON constant_expr.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   217
struct_declarator ::= declarator COLON constant_expr.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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diff changeset
   218
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   219
declarator ::= declarator2.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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diff changeset
   220
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   221
declarator2 ::= identifier.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   222
declarator2 ::= LPAREN declarator RPAREN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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parents: 702
diff changeset
   223
declarator2 ::= declarator2 LBRACKET RBRACKET.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   224
declarator2 ::= declarator2 LBRACKET constant_expr RBRACKET.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   225
declarator2 ::= declarator2 LPAREN RPAREN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   226
declarator2 ::= declarator2 LPAREN parameter_type_list RPAREN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   227
declarator2 ::= declarator2 LPAREN parameter_identifier_list RPAREN.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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parents:
diff changeset
   228
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   229
type_specifier_list ::= type_specifier.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   230
type_specifier_list ::= type_specifier_list type_specifier.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   231
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   232
parameter_identifier_list ::= identifier_list.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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parents:
diff changeset
   233
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   234
identifier_list ::= identifier.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   235
identifier_list ::= identifier_list COMMA identifier.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   236
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   237
parameter_type_list ::= parameter_list.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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parents:
diff changeset
   238
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   239
parameter_list ::= parameter_declaration.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   240
parameter_list ::= parameter_list COMMA parameter_declaration.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   241
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   242
parameter_declaration ::= type_specifier_list declarator.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   243
parameter_declaration ::= type_name.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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parents:
diff changeset
   244
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   245
type_name ::= type_specifier_list.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   246
type_name ::= type_specifier_list abstract_declarator.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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parents:
diff changeset
   247
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   248
abstract_declarator ::= abstract_declarator2.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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parents:
diff changeset
   249
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   250
abstract_declarator2 ::= LPAREN abstract_declarator RPAREN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   251
abstract_declarator2 ::= LBRACKET RBRACKET.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   252
abstract_declarator2 ::= LBRACKET constant_expr RBRACKET.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   253
abstract_declarator2 ::= abstract_declarator2 LBRACKET RBRACKET.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   254
abstract_declarator2 ::= abstract_declarator2 LBRACKET constant_expr RBRACKET.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   255
abstract_declarator2 ::= LPAREN RPAREN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   256
abstract_declarator2 ::= LPAREN parameter_type_list RPAREN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   257
abstract_declarator2 ::= abstract_declarator2 LPAREN RPAREN.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
parents: 702
diff changeset
   258
abstract_declarator2 ::= abstract_declarator2 LPAREN parameter_type_list RPAREN.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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parents:
diff changeset
   259
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
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diff changeset
   260
initializer ::= assignment_expr.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   261
initializer ::= LBRACE initializer_list RBRACE.
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   262
initializer ::= LBRACE initializer_list COMMA RBRACE.
702
7bf680ef6fc3 Added Jeff Lee's ANSI C yacc grammar.
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parents:
diff changeset
   263
703
8bc7b33377e7 Converted original YACC grammar to Lemon grammar.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   264
initializer_list ::= initializer.
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initializer_list ::= initializer_list COMMA initializer.
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statement ::= labeled_statement.
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statement ::= compound_statement.
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statement ::= expression_statement.
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statement ::= selection_statement.
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statement ::= iteration_statement.
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statement ::= jump_statement.
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labeled_statement ::= identifier COLON statement.
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labeled_statement ::= CASE constant_expr COLON statement.
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labeled_statement ::= DEFAULT COLON statement.
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compound_statement ::= LBRACE RBRACE.
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compound_statement ::= LBRACE statement_list RBRACE.
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compound_statement ::= LBRACE declaration_list RBRACE.
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compound_statement ::= LBRACE declaration_list statement_list RBRACE.
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declaration_list ::= declaration.
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declaration_list ::= declaration_list declaration.
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statement_list ::= statement.
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statement_list ::= statement_list statement.
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expression_statement ::= SEMICOLON.
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expression_statement ::= expr SEMICOLON.
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selection_statement ::= IF LPAREN expr RPAREN statement.
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selection_statement ::= IF LPAREN expr RPAREN statement ELSE statement.
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selection_statement ::= SWITCH LPAREN expr RPAREN statement.
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iteration_statement ::= WHILE LPAREN expr RPAREN statement.
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iteration_statement ::= DO statement WHILE LPAREN expr RPAREN SEMICOLON.
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iteration_statement ::= FOR LPAREN SEMICOLON SEMICOLON RPAREN statement.
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iteration_statement ::= FOR LPAREN SEMICOLON SEMICOLON expr RPAREN statement.
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iteration_statement ::= FOR LPAREN SEMICOLON expr SEMICOLON RPAREN statement.
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iteration_statement ::= FOR LPAREN SEMICOLON expr SEMICOLON expr RPAREN statement.
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iteration_statement ::= FOR LPAREN expr SEMICOLON SEMICOLON RPAREN statement.
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iteration_statement ::= FOR LPAREN expr SEMICOLON SEMICOLON expr RPAREN statement.
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iteration_statement ::= FOR LPAREN expr SEMICOLON expr SEMICOLON RPAREN statement.
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iteration_statement ::= FOR LPAREN expr SEMICOLON expr SEMICOLON expr RPAREN statement.
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jump_statement ::= CONTINUE SEMICOLON.
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jump_statement ::= BREAK SEMICOLON.
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jump_statement ::= DISCARD SEMICOLON.
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jump_statement ::= RETURN SEMICOLON.
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jump_statement ::= RETURN expr SEMICOLON.
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file ::= external_definition.
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file ::= file external_definition.
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external_definition ::= function_definition.
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external_definition ::= declaration.
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function_definition ::= declarator function_body.
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function_definition ::= declaration_specifiers declarator function_body.
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function_body ::= compound_statement.
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function_body ::= declaration_list compound_statement.
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identifier ::= IDENTIFIER.
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// end of mojoshader_parser_hlsl.lemon ...
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