Miroirs/rpn
1
0
Fork 0
mirror of https://github.com/louisrubet/rpn synced 2024-12-26 09:58:55 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

#147: multiline editing

Browse source
This commit is contained in:
Louis Rubet 2018-07-28 12:19:28 +02:00
parent 298d466e7c
commit 27ac02bc59
3 changed files with 42 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
linenoise-ng

@ -1 +1 @@
Subproject commit 32d3c3dcd65e2ce622084cd8057b25271561512e
Subproject commit 3d3d594caf15b75517d9baea1f1860978cad771a

1
src/constant.h
View file

@ -33,6 +33,7 @@
#define AUTOCOMPLETE_KEY '\t'
#define SHOW_STACK_SEPARATOR "> "
#define PROMPT "rpn> "
#define MULTILINE_PROMPT "> "
// show formats
#define MPFR_FORMAT_BEG "%."

62
src/parse.hpp
View file

@ -31,40 +31,58 @@ static ret_value parse(const char* entry, program& prog)
// interactive entry and decoding
static ret_value entry(program& prog)
{
string entry_str;
char* entry;
int entry_len;
ret_value ret;
int total_entry_len;
ret_value ret = ret_max;
bool multiline = false;
// linenoise for entry
linenoiseSetCompletionCallback(program::entry_completion_generator);
// get user entry
entry = linenoise(PROMPT, &entry_len);
// Ctrl-C
if (linenoiseKeyType() == 1)
while(ret == ret_max)
{
if (entry_len > 0)
ret = ret_abort_current_entry;
// get user entry
if (multiline)
entry = linenoise(MULTILINE_PROMPT, &entry_len);
else
ret = ret_good_bye;
}
else
{
if (entry != NULL)
{
// parse it
ret = parse(entry, prog);
entry = linenoise(PROMPT, &entry_len);
// keep history
if (entry[0] != 0)
linenoiseHistoryAdd(entry);
// Ctrl-C
if (linenoiseKeyType() == 1)
{
if (entry_len > 0 || multiline)
ret = ret_abort_current_entry;
else
ret = ret_good_bye;
}
else if (linenoiseKeyType() == 3)
{
multiline = true;
if (entry != NULL)
entry_str += entry;
entry_str += " ";
}
else
ret = ret_internal;
}
{
if (entry != NULL)
{
entry_str += entry;
free(entry);
// parse it
ret = parse(entry_str.c_str(), prog);
// keep history
if (entry[0] != 0)
linenoiseHistoryAdd(entry_str.c_str());
}
else
ret = ret_internal;
}
free(entry);
}
return ret;
}