diff options
| -rw-r--r-- | 05/main.c | 4 | ||||
| -rw-r--r-- | 05/parse.b | 62 |
2 files changed, 64 insertions, 2 deletions
@@ -5,6 +5,10 @@ int f(void) { while (g+100==1234){ } } + do { + break; + continue; + }while(0); lbl1:break;;goto blah; case -1-3: continue;a:break;return;return 6+3<<sizeof(int); @@ -349,6 +349,7 @@ function parse_statement if c == KEYWORD_STATIC goto stmt_static_declaration if c == KEYWORD_EXTERN goto stmt_extern_declaration if c == KEYWORD_WHILE goto stmt_while + if c == KEYWORD_DO goto stmt_do b = token_is_type(token) if b != 0 goto stmt_local_declaration @@ -379,14 +380,13 @@ function parse_statement token = p + 16 out += 8 - ; put the while statement 1 block_depth deeper + ; put the body statement 1 block_depth deeper p = statement_datas p += block_depth < 3 block_depth += 1 if block_depth >= BLOCK_DEPTH_LIMIT goto too_much_nesting *8out = *8p out += 24 - c = *8p parse_statement(&token, p) ; the body block_depth -= 1 @@ -396,6 +396,50 @@ function parse_statement :str_while_no_lparen string No ( after while. byte 0 + :stmt_do + write_statement_header(out, STATEMENT_DO, token) + out += 8 + token += 16 + + ; put the body statement 1 block_depth deeper + p = statement_datas + p += block_depth < 3 + block_depth += 1 + if block_depth >= BLOCK_DEPTH_LIMIT goto too_much_nesting + *8out = *8p + out += 8 + parse_statement(&token, p) ; the body + block_depth -= 1 + + if *1token != KEYWORD_WHILE goto do_no_while + token += 16 + if *1token != SYMBOL_LPAREN goto do_no_lparen + p = token_matching_rparen(token) + token += 16 + *8out = expressions_end + expressions_end = parse_expression(token, p, expressions_end) + token = p + 16 + if *1token != SYMBOL_SEMICOLON goto do_no_semicolon + token += 16 + + out += 24 + goto parse_statement_ret + + :do_no_while + token_error(token, .str_do_no_while) + :str_do_no_while + string No while after do body. + byte 0 + :do_no_lparen + token_error(token, .str_do_no_lparen) + :str_do_no_lparen + string No ( after do ... while + byte 0 + :do_no_semicolon + token_error(token, .str_do_no_semicolon) + :str_do_no_semicolon + string No semicolon after do ... while (...) + byte 0 :stmt_local_declaration local l_base_type local l_prefix @@ -689,6 +733,7 @@ function print_statement_with_depth if c == STATEMENT_LABEL goto print_stmt_label if c == STATEMENT_CASE goto print_stmt_case if c == STATEMENT_WHILE goto print_stmt_while + if c == STATEMENT_DO goto print_stmt_do if c == STATEMENT_LOCAL_DECLARATION goto print_stmt_local_decl die(.pristmtNI) @@ -716,6 +761,19 @@ function print_statement_with_depth :str_stmt_while string while ( byte 0 + :print_stmt_do + puts(.str_stmt_do) + print_statement_with_depth(dat1, depth) + print_indents(depth) + puts(.str_stmt_while) + print_expression(dat2) + putc(41) + putcln(59) + return + :str_stmt_do + string do + byte 10 + byte 0 :print_stmt_break puts(.str_stmt_break) return |