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[bim] port variable highlighting from rline_exp

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This commit is contained in:
K. Lange 2018-09-13 18:09:30 +09:00
parent 6835752c8b
commit b747ab7935
1 changed files with 26 additions and 0 deletions
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26
apps/bim.c
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@ -883,6 +883,15 @@ static char * syn_sh_keywords[] = {
NULL,
};
static int variable_char(uint8_t c) {
if (c >= 'A' && c <= 'Z') return 1;
if (c >= 'a' && c <= 'z') return 1;
if (c >= '0' && c <= '9') return 1;
if (c == '_') return 1;
if (c == '?') return 1;
return 0;
}
static int syn_sh_extended(line_t * line, int i, int c, int last, int * out_left) {
(void)last;
@ -908,6 +917,23 @@ static int syn_sh_extended(line_t * line, int i, int c, int last, int * out_left
return FLAG_STRING;
}
if (line->text[i].codepoint == '$' && last != '\\') {
if (i < line->actual - 1 && line->text[i+1].codepoint == '{') {
int j = i + 2;
for (; j < line->actual+1; ++j) {
if (line->text[j].codepoint == '}') break;
}
*out_left = (j - i);
return FLAG_NUMERAL;
}
int j = i + 1;
for (; j < line->actual + 1; ++j) {
if (!variable_char(line->text[j].codepoint)) break;
}
*out_left = (j - i) - 1;
return FLAG_NUMERAL;
}
if (line->text[i].codepoint == '"') {
int last = 0;
for (int j = i+1; j < line->actual + 1; ++j) {