이것은 완전한 문법이 아니지만 2000 년 컴파일러 과정에 yacc-keable for matlab이 제공됩니다. 이로부터 BNF와 EBNF를 쉽게 만들 수 있습니다.
primary_expression
: IDENTIFIER
| CONSTANT
| STRING_LITERAL
| '(' expression ')'
| '[' ']'
| '[' array_list ']'
;
postfix_expression
: primary_expression
| array_expression
| postfix_expression TRANSPOSE
| postfix_expression NCTRANSPOSE
;
index_expression
: ':'
| expression
;
index_expression_list
: index_expression
| index_expression_list ',' index_expression
;
array_expression
: IDENTIFIER '(' index_expression_list ')'
;
unary_expression
: postfix_expression
| unary_operator postfix_expression
;
unary_operator
: '+'
| '-'
| '~'
;
multiplicative_expression
: unary_expression
| multiplicative_expression '*' unary_expression
| multiplicative_expression '/' unary_expression
| multiplicative_expression '\\' unary_expression
| multiplicative_expression '^' unary_expression
| multiplicative_expression ARRAYMUL unary_expression
| multiplicative_expression ARRAYDIV unary_expression
| multiplicative_expression ARRAYRDIV unary_expression
| multiplicative_expression ARRAYPOW unary_expression
;
additive_expression
: multiplicative_expression
| additive_expression '+' multiplicative_expression
| additive_expression '-' multiplicative_expression
;
relational_expression
: additive_expression
| relational_expression '<' additive_expression
| relational_expression '>' additive_expression
| relational_expression LE_OP additive_expression
| relational_expression GE_OP additive_expression
;
equality_expression
: relational_expression
| equality_expression EQ_OP relational_expression
| equality_expression NE_OP relational_expression
;
and_expression
: equality_expression
| and_expression '&' equality_expression
;
or_expression
: and_expression
| or_expression '|' and_expression
;
expression
: or_expression
| expression ':' or_expression
;
assignment_expression
: postfix_expression '=' expression
eostmt
: ','
| ';'
| CR
;
statement
: global_statement
| clear_statement
| assignment_statement
| expression_statement
| selection_statement
| iteration_statement
| jump_statement
;
statement_list
: statement
| statement_list statement
;
identifier_list
: IDENTIFIER
| identifier_list IDENTIFIER
;
global_statement
: GLOBAL identifier_list eostmt
;
clear_statement
: CLEAR identifier_list eostmt
;
expression_statement
: eostmt
| expression eostmt
;
assignment_statement
: assignment_expression eostmt
;
array_element
: expression
| expression_statement
;
array_list
: array_element
| array_list array_element
;
selection_statement
: IF expression statement_list END eostmt
| IF expression statement_list ELSE statement_list END eostmt
| IF expression statement_list elseif_clause END eostmt
| IF expression statement_list elseif_clause
ELSE statement_list END eostmt
;
elseif_clause
: ELSEIF expression statement_list
| elseif_clause ELSEIF expression statement_list
;
iteration_statement
: WHILE expression statement_list END eostmt
| FOR IDENTIFIER '=' expression statement_list END eostmt
| FOR '(' IDENTIFIER '=' expression ')' statement_list END eostmt
;
jump_statement
: BREAK eostmt
| RETURN eostmt
;
translation_unit
: statement_list
| FUNCTION function_declare eostmt statement_list
;
func_ident_list
: IDENTIFIER
| func_ident_list ',' IDENTIFIER
;
func_return_list
: IDENTIFIER
| '[' func_ident_list ']'
;
function_declare_lhs
: IDENTIFIER
| IDENTIFIER '(' ')'
| IDENTIFIER '(' func_ident_list ')'
;
function_declare
: function_declare_lhs
| func_return_list '=' function_declare_lhs
;
Mathworks는 Matlab의 공식 문법을 정의하지 않는다고 강력하게 의심합니다. 나는 이것에 대한 답변을 볼 것이다. –
Octave는 Matlab의 문법을 구문 분석합니다. 그들이 이미 한 것을 보람있는 것일 수도 있습니다. –
옥타브 소스의 [lex file] (http://hg.savannah.gnu.org/hgweb/octave/file/c1f9b54350f9/src/lex.ll)이 유용합니다. 나는 또한 matlab을 C와 Java로 변환하는 [antl parser] (http://www.antlr.org/pipermail/antlr-interest/2011-September/042551.html)를 발견했다. –