diff options
| author | Nagi5Yeq <wu@x-nagi.com> | 2020-05-31 20:22:20 +0800 |
|---|---|---|
| committer | Nagi5Yeq <wu@x-nagi.com> | 2020-05-31 20:22:20 +0800 |
| commit | abae0b74329279e696700489ad74bd27eed8326d (patch) | |
| tree | bd93c9f9a757e6edf48230ee7159b3e8ce2c2eee /Parser.y | |
| parent | c2c6e5c7e620c32e7f420e8b9ac21df8855b444c (diff) | |
x86 target support
Diffstat (limited to 'Parser.y')
| -rw-r--r-- | Parser.y | 18 |
1 files changed, 10 insertions, 8 deletions
@@ -44,7 +44,7 @@ YY_DECL; %token FILE_END 0; %token COLON SEMICOLON COMMA DOTDOT DOT ASSIGN LBRACKET RBRACKET LPARENTHESIS RPARENTHESIS %token PROGRAM IDENTIFIER VAR CONST TYPE BEGINS ENDS FUNCTION EXTERN DOTDOTDOT -%token IF THEN ELSE WHILE DO REPEAT UNTIL BREAK CONTINUE +%token IF THEN ELSE WHILE DO REPEAT UNTIL BREAK CONTINUE FOR TO %token VOID BOOLEAN CHAR INTEGER REAL STRING ARRAY OF RECORD %token ADD SUB MUL REAL_DIV DIV MOD LT LE GT GE EQ NE CARET AT %token AND NOT OR XOR SHL SHR @@ -61,7 +61,7 @@ YY_DECL; %type <pcc::Declaration> type_decl member_decl %type <std::shared_ptr<TypeIdentifier>> type array_type record_type -%type <bool> BOOLEAN_LITERAL +%type <bool> BOOLEAN_LITERAL TO %type <char> CHAR_LITERAL %type <int> INTEGER_LITERAL %type <float> REAL_LITERAL @@ -213,15 +213,17 @@ statement ; open_statement - : IF expression THEN statement {$$=std::make_shared<pcc::IfStatementNode>(ctx, $2, $4, nullptr);} - | IF expression THEN closed_statement ELSE open_statement {$$=std::make_shared<pcc::IfStatementNode>(ctx, $2, $4, $6);} - | WHILE expression DO open_statement {$$=std::make_shared<pcc::WhileStatementNode>(ctx, $2, $4);} + : IF expression THEN statement {$$=std::make_shared<pcc::IfStatementNode>(ctx, $2, $4, nullptr);} + | IF expression THEN closed_statement ELSE open_statement {$$=std::make_shared<pcc::IfStatementNode>(ctx, $2, $4, $6);} + | WHILE expression DO open_statement {$$=std::make_shared<pcc::WhileStatementNode>(ctx, $2, $4);} + | FOR lvalue ASSIGN expression TO expression DO open_statement {$$=std::make_shared<pcc::ForStatementNode>(ctx, $2, $4, $6, $5, $8);} ; closed_statement - : normal_statement {$$=$1;} - | IF expression THEN closed_statement ELSE closed_statement {$$=std::make_shared<pcc::IfStatementNode>(ctx, $2, $4, $6);} - | WHILE expression DO closed_statement {$$=std::make_shared<pcc::WhileStatementNode>(ctx, $2, $4);} + : normal_statement {$$=$1;} + | IF expression THEN closed_statement ELSE closed_statement {$$=std::make_shared<pcc::IfStatementNode>(ctx, $2, $4, $6);} + | WHILE expression DO closed_statement {$$=std::make_shared<pcc::WhileStatementNode>(ctx, $2, $4);} + | FOR lvalue ASSIGN expression TO expression DO closed_statement {$$=std::make_shared<pcc::ForStatementNode>(ctx, $2, $4, $6, $5, $8);} ; normal_statement |