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Single line comments

This commit is contained in:
Saumya Bhatnagar 2018-06-03 08:49:20 +05:30
parent 67470d7707
commit 374f5ba474
2 changed files with 17 additions and 1 deletions
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editor
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editor.c
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@ -41,6 +41,7 @@ enum editorKey {
enum editorHighlight {
HL_NORMAL = 0,
HL_COMMENT,
HL_STRING,
HL_NUMBER,
HL_MATCH
@ -52,6 +53,7 @@ struct editorSyntax {
char *filetype;
char **filematch;
int flags;
char *singleline_comment_start; // single comment line pattern for this language
};
typedef struct editorrow {
@ -87,7 +89,8 @@ struct editorSyntax HLDB[] = {
{
"c",
C_HL_extensions,
HL_HIGHLIGHT_NUMBERS | HL_HIGHLIGHT_STRINGS
HL_HIGHLIGHT_NUMBERS | HL_HIGHLIGHT_STRINGS,
"//"
},
};
@ -250,6 +253,9 @@ void editorUpdateSyntax(editorrow *row) {
if (E.syntax == NULL) return;
char *scs = E.syntax->singleline_comment_start;
int scs_len = scs ? strlen(scs) : 0;
int prev_sep = 1;
int in_string = 0;
@ -259,6 +265,14 @@ void editorUpdateSyntax(editorrow *row) {
char c = row->render[i];
unsigned char prev_hl = (i > 0) ? row->hl[i - 1] : HL_NORMAL;
if (scs_len && !in_string) {
if (!strncmp(&row->render[i], scs, scs_len)) {
memset(&row->hl[i], HL_COMMENT, row->rsize - i);
break;
}
}
if (E.syntax->flags & HL_HIGHLIGHT_STRINGS) {
if (in_string) {
row->hl[i] = HL_STRING;
@ -305,6 +319,8 @@ int editorSyntaxToColor(int hl) {
return 31;
case HL_STRING:
return 33;
case HL_COMMENT:
return 34;
default:
return 37;
}