MIRROR: javascript for 🐜's, a tiny runtime with big ambitions
optimize source position tracking by reusing last position data
+17
-5
+17
-5
src/silver/compiler.c
+17
-5
src/silver/compiler.c
···
216
216
if (end == off && off < (uint32_t)clen) end = off + 1;
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if (end == off) return;
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219
-
uint32_t line = 1, col = 1;
220
-
for (uint32_t i = 0; i < off; i++) {
221
-
if (code[i] == '\n') { line++; col = 1; }
222
-
else col++;
223
-
}
224
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if (c->srcpos_count > 0 && c->last_srcpos_off == off && c->last_srcpos_end == end) return;
220
+
221
+
uint32_t line, col;
222
+
if (c->srcpos_count > 0 && off >= c->last_srcpos_off) {
223
+
line = c->srcpos[c->srcpos_count - 1].line;
224
+
col = c->srcpos[c->srcpos_count - 1].col;
225
+
for (uint32_t i = c->last_srcpos_off; i < off; i++) {
226
+
if (code[i] == '\n') { line++; col = 1; }
227
+
else col++;
228
+
}
229
+
} else {
230
+
line = 1; col = 1;
231
+
for (uint32_t i = 0; i < off; i++) {
232
+
if (code[i] == '\n') { line++; col = 1; }
233
+
else col++;
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+
}
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+
}
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+
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if (c->srcpos_count >= c->srcpos_cap) {
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c->srcpos_cap = c->srcpos_cap ? c->srcpos_cap * 2 : 32;
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c->srcpos = realloc(c->srcpos, (size_t)c->srcpos_cap * sizeof(sv_srcpos_t));