alec

Abstraction Layer for Escape Codes
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commit9892f3a46e97ac793b2cbd785270f3177813d3b2
parent8dca0ea8e3f13e1e0ed157b7110ab072df348c41
authorDimitrije Dobrota <mail@dimitrijedobrota.com>
dateTue, 27 Feb 2024 17:52:29 +0000

Add support for intentation and C-style comments

Diffstat:
Msrc/lexer.l|++++
Msrc/parser.y|++++++++++++++++-
Msrc/rules|++++++++++++++-----------

3 files changed, 34 insertions(+), 12 deletions(-)

diff --git a/src/lexer.l b/src/lexer.l

@@ -12,6 +12,10 @@ LINE_END (\n|\r|\r\n)

{LINE_END} { return EOL; }
^[\t ]*{LINE_END} { return EOL; }
^[\t ]*
^[\t ]*"//".* { yylval.n = strdup(yytext); return COMMENT; }
, { return COMMA; }
[^,\n]* {
while(*yytext && isspace(*yytext)) yytext++;

diff --git a/src/parser.y b/src/parser.y

@@ -16,7 +16,7 @@

char *n;
}
%token <n> LITERAL
%token <n> LITERAL COMMENT
%token EOL COMMA
%type <r> record

@@ -30,6 +30,11 @@

document: %empty
| EOL document
| record document { records = list_new((char *)$1, records); }
| COMMENT document {
records = list_new((char *)record_new(
$1, NULL, NULL, NULL
), records);
}
;
record: name list list list { $$ = record_new($1, $2, $3, $4); }

@@ -134,6 +139,11 @@ void record_free(void *rp) {

}
void record_print_function(const struct record *r) {
if(!r->recipe) { // comment
printf("%s\n", r->name);
return;
}
struct list dummy, *c = &dummy;
printf("static constexpr auto %s(", r->name);
for(struct list *p = r->args; p; p = p->next) {

@@ -165,6 +175,11 @@ void record_print_function(const struct record *r) {

}
void record_print_template(const struct record *r) {
if(!r->recipe) { // comment
printf("%s\n", r->name);
return;
}
struct list dummy, *c = &dummy;
printf("template <");

diff --git a/src/rules b/src/rules

@@ -1,4 +1,5 @@

// hello
foreground
int idx

@@ -6,30 +7,32 @@ limit_256

32, ';', 5, ';', idx, 'm'
background
int idx
limit_256
42, ';', 5, ';', idx, 'm'
foreground
int R, int G, int B
limit_256
38, ';', 5, ';', R, ';', G, ';', B, 'm'
background
int idx
limit_256
42, ';', 5, ';', idx, 'm'
foreground
int R, int G, int B
limit_256
38, ';', 5, ';', R, ';', G, ';', B, 'm'
// world
// world
background
int R, int G, int B
limit_256
38, ';', 5, ';', R, ';', G, ';', B, 'm'
// comment
foreground
COLOR color
(int)color + 30, 'm'
// hello there
background
COLOR color