Pushes the new state onto the stack. The new state becomes * the current state. This function will allocate the stack * if necessary. * @param new_buffer The new state. * @param yyscanner The scanner object. */
| 4047 | * @param yyscanner The scanner object. |
| 4048 | */ |
| 4049 | void yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner) |
| 4050 | { |
| 4051 | struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; |
| 4052 | if (new_buffer == NULL) |
| 4053 | return; |
| 4054 | |
| 4055 | yyensure_buffer_stack(yyscanner); |
| 4056 | |
| 4057 | /* This block is copied from yy_switch_to_buffer. */ |
| 4058 | if ( YY_CURRENT_BUFFER ) |
| 4059 | { |
| 4060 | /* Flush out information for old buffer. */ |
| 4061 | *yyg->yy_c_buf_p = yyg->yy_hold_char; |
| 4062 | YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p; |
| 4063 | YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars; |
| 4064 | } |
| 4065 | |
| 4066 | /* Only push if top exists. Otherwise, replace top. */ |
| 4067 | if (YY_CURRENT_BUFFER) |
| 4068 | yyg->yy_buffer_stack_top++; |
| 4069 | YY_CURRENT_BUFFER_LVALUE = new_buffer; |
| 4070 | |
| 4071 | /* copied from yy_switch_to_buffer. */ |
| 4072 | yy_load_buffer_state( yyscanner ); |
| 4073 | yyg->yy_did_buffer_switch_on_eof = 1; |
| 4074 | } |
| 4075 | |
| 4076 | /** Removes and deletes the top of the stack, if present. |
| 4077 | * The next element becomes the new top. |
no test coverage detected