67 lines
1.2 KiB
C
67 lines
1.2 KiB
C
#include "../debug.h"
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#include "../line-ed/line-ed.h"
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#include "cmd.h"
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#include <blue/cmd.h>
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#include <blue/term.h>
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#include <ivy/lang/lex.h>
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#include <stdbool.h>
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int repl(const b_command *cmd, const b_arglist *args, const b_array *_)
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{
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char buf[1024];
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struct line_ed *ed = line_ed_create();
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struct ivy_lexer *lex;
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enum ivy_status status = ivy_lexer_create(&lex);
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if (status != IVY_OK) {
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line_ed_destroy(ed);
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return -1;
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}
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ivy_lexer_set_source(lex, &ed->l_line_source);
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while (true) {
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struct ivy_token *tok = ivy_lexer_read(lex);
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status = ivy_lexer_get_status(lex);
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if (status == IVY_ERR_EOF) {
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break;
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}
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if (status != IVY_OK) {
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b_err("lex error (%s)",
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ivy_status_to_string(ivy_lexer_get_status(lex)));
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break;
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}
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print_lex_token(tok);
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#if 0
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long v = line_ed_readline(ed, buf, sizeof buf);
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if (v == -1) {
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break;
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}
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if (v == 0) {
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continue;
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}
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buf[strcspn(buf, "\n")] = 0;
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printf("input: '%s'\n", buf);
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#endif
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}
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ivy_lexer_destroy(lex);
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line_ed_destroy(ed);
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return 0;
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}
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B_COMMAND(CMD_REPL, CMD_ROOT)
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{
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B_COMMAND_NAME("shell");
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B_COMMAND_SHORT_NAME('S');
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B_COMMAND_DESC("start an interactive Ivy shell.");
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B_COMMAND_HELP_OPTION();
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B_COMMAND_FUNCTION(repl);
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}
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