Port while

Note: From here on everything is broken

diff --git a/Zend/zend_ast.h b/Zend/zend_ast.h
index cb731a39da6566033634bc1c24235217c3901293..2137740a1d2645bacee1bec1755c8e2f2470e86c 100644 (file)
--- a/Zend/zend_ast.h
+++ b/Zend/zend_ast.h
@@ -75,6 +75,8 @@ enum _zend_ast_kind {
        ZEND_AST_UNSET,
        ZEND_AST_RETURN,
        ZEND_AST_LABEL,
+
+       ZEND_AST_WHILE,
 };
 
 typedef unsigned short zend_ast_kind;

diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index f4ac95e07ff504dbf9506da1b898b1ad471bf208..efda0d69e3d0ad5fdddc4cc1c11dc06324780e5d 100644 (file)
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -7068,6 +7068,32 @@ void zend_compile_label(zend_ast *ast TSRMLS_DC) {
        }
 }
 
+void zend_compile_while(zend_ast *ast TSRMLS_DC) {
+       zend_ast *cond_ast = ast->child[0];
+       zend_ast *stmt_ast = ast->child[1];
+
+       znode cond_node;
+       zend_uint opnum_start, opnum_jmpz;
+       zend_op *opline;
+
+       opnum_start = get_next_op_number(CG(active_op_array));
+       zend_compile_expr(&cond_node, cond_ast TSRMLS_CC);
+
+       opnum_jmpz = get_next_op_number(CG(active_op_array));
+       emit_op(NULL, ZEND_JMPZ, &cond_node, NULL TSRMLS_CC);
+       do_begin_loop(TSRMLS_C);
+
+       zend_compile_stmt(stmt_ast TSRMLS_CC);
+
+       opline = emit_op(NULL, ZEND_JMP, NULL, NULL TSRMLS_CC);
+       opline->op1.opline_num = opnum_start;
+
+       opline = &CG(active_op_array)->opcodes[opnum_jmpz];
+       opline->op2.opline_num = get_next_op_number(CG(active_op_array));
+
+       do_end_loop(opnum_start, 0 TSRMLS_CC);
+}
+
 void zend_compile_stmt_list(zend_ast *ast TSRMLS_DC) {
        zend_uint i;
        for (i = 0; i < ast->children; ++i) {
@@ -7853,6 +7879,9 @@ void zend_compile_stmt(zend_ast *ast TSRMLS_DC) {
                case ZEND_AST_LABEL:
                        zend_compile_label(ast TSRMLS_CC);
                        break;
+               case ZEND_AST_WHILE:
+                       zend_compile_while(ast TSRMLS_CC);
+                       break;
                default:
                {
                        znode result;

diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y
index 07039d2d6f248bd2b0f5dc3a603918d7d338101a..782fc06565c710fe74f470b2b8121d5a055f08e8 100644 (file)
--- a/Zend/zend_language_parser.y
+++ b/Zend/zend_language_parser.y
@@ -325,7 +325,9 @@ unticked_statement:
                '{' inner_statement_list '}' { AN($$); }
        |       T_IF parenthesis_expr { AC($2); zend_do_if_cond(&$2, &$1 TSRMLS_CC); } statement { AS($4); zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } elseif_list else_single { zend_do_if_end(TSRMLS_C); AN($$); }
        |       T_IF parenthesis_expr ':' { AC($2); zend_do_if_cond(&$2, &$1 TSRMLS_CC); } inner_statement_list { zend_do_if_after_statement(&$1, 1 TSRMLS_CC); } new_elseif_list new_else_single T_ENDIF ';' { zend_do_if_end(TSRMLS_C); AN($$); }
-       |       T_WHILE { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr { AC($3); zend_do_while_cond(&$3, &$$ TSRMLS_CC); } while_statement { zend_do_while_end(&$1, &$4 TSRMLS_CC); AN($$); }
+       |       T_WHILE parenthesis_expr while_statement
+                       { $$.u.ast = zend_ast_create_binary(ZEND_AST_WHILE, $2.u.ast, $3.u.ast); }
+       /*|     T_WHILE { $1.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr { AC($3); zend_do_while_cond(&$3, &$$ TSRMLS_CC); } while_statement { zend_do_while_end(&$1, &$4 TSRMLS_CC); AN($$); }*/
        |       T_DO { $1.u.op.opline_num = get_next_op_number(CG(active_op_array));  zend_do_do_while_begin(TSRMLS_C); } statement T_WHILE { AS($3); $4.u.op.opline_num = get_next_op_number(CG(active_op_array)); } parenthesis_expr ';' { AC($6); zend_do_do_while_end(&$1, &$4, &$6 TSRMLS_CC); AN($$); }
        |       T_FOR
                        '('
@@ -532,8 +534,8 @@ case_separator:
 
 
 while_statement:
-               statement { AS($1); }
-       |       ':' inner_statement_list T_ENDWHILE ';'
+               statement { $$.u.ast = $1.u.ast; }
+       |       ':' inner_statement_list T_ENDWHILE ';' { AN($$); }
 ;