126 lines
2.5 KiB
C
126 lines
2.5 KiB
C
/*
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* $Id: init.c,v 1.1 2005-09-18 10:18:35 bacon Exp $
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*/
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#include <xp/lsp/lsp.h>
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#include <xp/bas/memory.h>
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#include <xp/bas/assert.h>
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xp_lsp_t* xp_lsp_open (xp_lsp_t* lsp,
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xp_size_t mem_ubound, xp_size_t mem_ubound_inc)
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{
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if (lsp == XP_NULL) {
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lsp = (xp_lsp_t*)xp_malloc(xp_sizeof(xp_lsp_t));
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if (lsp == XP_NULL) return lsp;
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lsp->__malloced = xp_true;
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}
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else lsp->__malloced = xp_false;
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if (xp_lsp_token_open(&lsp->token, 0) == XP_NULL) {
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if (lsp->__malloced) xp_free (lsp);
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return XP_NULL;
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}
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lsp->errnum = XP_LSP_ERR_NONE;
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//lsp->opt_undef_symbol = 1;
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lsp->opt_undef_symbol = 0;
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lsp->curc = XP_CHAR_EOF;
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lsp->input_func = XP_NULL;
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lsp->output_func = XP_NULL;
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lsp->mem = xp_lsp_mem_new (mem_ubound, mem_ubound_inc);
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if (lsp->mem == XP_NULL) {
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xp_lsp_token_close (&lsp->token);
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if (lsp->__malloced) xp_free (lsp);
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return XP_NULL;
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}
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if (xp_lsp_add_prims (lsp->mem) == -1) {
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xp_lsp_mem_free (lsp->mem);
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xp_lsp_token_close (&lsp->token);
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if (lsp->__malloced) xp_free (lsp);
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return XP_NULL;
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}
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return lsp;
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}
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void xp_lsp_close (xp_lsp_t* lsp)
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{
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xp_assert (lsp != XP_NULL);
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xp_lsp_mem_free (lsp->mem);
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xp_lsp_token_close (&lsp->token);
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if (lsp->__malloced) xp_free (lsp);
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}
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int xp_lsp_error (xp_lsp_t* lsp, xp_char_t* buf, xp_size_t size)
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{
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if (buf != XP_NULL || size == 0) return lsp->errnum;
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// TODO:...
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/*
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switch (lsp->errnum) {
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default:
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xp_lsp_copy_string (buf, size, "unknown error");
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}
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*/
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return lsp->errnum;
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}
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int xp_lsp_attach_input (xp_lsp_t* lsp, xp_lsp_io_t input)
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{
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if (xp_lsp_detach_input(lsp) == -1) return -1;
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xp_assert (lsp->input_func == XP_NULL);
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if (input(XP_LSP_IO_OPEN, lsp, XP_NULL) == -1) {
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/* TODO: set error number */
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return -1;
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}
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lsp->input_func = input;
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return 0;
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}
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int xp_lsp_detach_input (xp_lsp_t* lsp)
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{
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if (lsp->input_func != XP_NULL) {
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if (lsp->input_func(XP_LSP_IO_CLOSE, lsp, XP_NULL) == -1) {
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/* TODO: set error number */
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return -1;
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}
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lsp->input_func = XP_NULL;
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}
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return 0;
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}
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int xp_lsp_attach_output (xp_lsp_t* lsp, xp_lsp_io_t output)
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{
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if (xp_lsp_detach_output(lsp) == -1) return -1;
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xp_assert (lsp->output_func == XP_NULL);
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if (output(XP_LSP_IO_OPEN, lsp, XP_NULL) == -1) {
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/* TODO: set error number */
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return -1;
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}
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lsp->output_func = output;
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return 0;
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}
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int xp_lsp_detach_output (xp_lsp_t* lsp)
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{
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if (lsp->output_func != XP_NULL) {
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if (lsp->output_func(XP_LSP_IO_CLOSE, lsp, XP_NULL) == -1) {
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/* TODO: set error number */
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return -1;
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}
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lsp->output_func = XP_NULL;
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}
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return 0;
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}
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