X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=stdio.asm;h=45a25f6f5dcc1d769ed5c260e4ffac4ed56008c6;hb=ef492db3b89ae7e0fe6317d3a1d0e727c28bf8ca;hp=549852e614058f97d49f63074ad0050c62626577;hpb=4738ba3eabef30343223098bd81ee6ff80fbbafc;p=rrq%2Frrqforth.git diff --git a/stdio.asm b/stdio.asm index 549852e..45a25f6 100644 --- a/stdio.asm +++ b/stdio.asm @@ -147,6 +147,27 @@ p_stream_nchars_done: popr rsi next +;;; ======================================== +;;; Copy line to PAD +;;; READ-STREAM-LINE ( stream -- n ) + + WORD p_read_stream_line,'READ-STREAM-LINE' + ;; ( stream -- n ) + ;; Read stream until next newline + dq p_gtR, p_pad +p_read_stream_line_loop: + dq p_Rget, p_read_stream_char + dq p_dup, p_0less + BRANCH 1,p_read_stream_line_done + dq p_dup, p_nl, p_equal + BRANCH 1,p_read_stream_line_done + dq p_over, p_Cput, p_literal,1, p_plus + BRANCH ,p_read_stream_line_loop +p_read_stream_line_done: + dq p_drop, p_literal,0, p_over, p_Cput + dq p_pad, p_minus, p_Rgt, p_drop, p_return + + ;;; ======================================== ;;; Stream reading ;;; READ-STREAM-CHAR ( stream -- ch ) @@ -206,12 +227,12 @@ p_read_stream_char.CHAR: ;; Read next word from the given stream into the PAD pushr rsi pop rax + pushr rax ; the stream push qword p_pad_DFA push qword 0 - push rax p_read_word_skipblanks: - DOFORTH p_dup, p_read_stream_char + DOFORTH p_Rget, p_read_stream_char pop rbx cmp bl,0 jl p_read_word_nomore @@ -220,12 +241,12 @@ p_read_word_skipblanks: cmp bl,'#' je p_read_word_skipline p_read_word_readword: - ;; ( buffer length stream ) - mov rax,qword [rsp+16] - mov rcx,qword [rsp+8] + ;; ( buffer length ) + mov rax,qword [rsp+8] + mov rcx,qword [rsp] mov [rax+rcx],bl - inc qword [rsp+8] - DOFORTH p_dup, p_read_stream_char + inc qword [rsp] + DOFORTH p_Rget, p_read_stream_char ; ( -- buffer length char ) pop rbx cmp bl,0 jl p_read_word_nomore @@ -233,12 +254,19 @@ p_read_word_readword: jg p_read_word_readword p_read_word_nomore: - pop rax + xor rbx,rbx + mov rax,qword [rsp+8] + mov rcx,qword [rsp] + mov [rax+rcx],bl ; add NUL ending + inc qword [rsp] + DOFORTH p_str2temp + dec qword [rsp] + popr rax popr rsi next p_read_word_skipline: - DOFORTH p_dup, p_read_stream_char + DOFORTH p_Rget, p_read_stream_char pop rbx cmp bl,0 jl p_read_word_nomore @@ -271,7 +299,7 @@ p_double_quote_endstream: lea rdi,[p_pad_DFA] add rdi,qword [rsp] mov byte [rdi],0 - ;; copy PAD string into new temp object + ;; copy PAD string + NUL into new temp object inc qword [rsp] DOFORTH p_str2temp dec qword [rsp] @@ -281,22 +309,22 @@ p_double_quote_endstream: WORD p_fdtell,'FDTELL', ;; ( chars* n fd -- ) ;; Write n bytes from chars* to fd - dq p_rot, p_rot, sys_write, p_drop, p_exit + dq p_rot, p_rot, sys_write, p_drop, p_return WORD p_tell,'TELL' ;; ( chars* n -- ) ;; Write n bytes from chars* to stdout - dq p_literal,1,p_fdtell, p_exit + dq p_literal,1,p_fdtell, p_return WORD p_fdemit,'FDEMIT' ;; ( c fd -- ) ;; Write byte to fd - dq p_literal,1, p_dsp, p_literal,1, sys_write, p_2drop, p_exit + dq p_literal,1, p_dsp, p_literal,1, sys_write, p_2drop, p_return WORD p_emit,'EMIT' ;; ( c -- ) ;; Write byte to stdout - dq p_literal,1, p_fdemit, p_exit + dq p_literal,1, p_fdemit, p_return WORD p_nl,'NL',dovalue ;; ( -- c ) @@ -353,4 +381,4 @@ p_dot_remainder: WORD p_dot,'.' ;; ( v -- ) ;; Print value to stdout - dq p_dot_temp, p_literal,1, p_fdtell, p_exit + dq p_dot_temp, p_literal,1, p_fdtell, p_return