Ian Moffett
52826975e8
For now, symbol lookups are to require a linear scan. We can speed this up in the future by adding a cache and further down the line considering a hashmap. Signed-off-by: Ian Moffett <ian@mirocom.org>
53 lines
1.0 KiB
C
53 lines
1.0 KiB
C
#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include "rifle/state.h"
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int
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rifle_state_init(struct rifle_state *state, const char *in_path)
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{
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if (state == NULL || in_path == NULL) {
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return -1;
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}
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memset(state, 0, sizeof(*state));
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state->in_fd = open(in_path, O_RDONLY);
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if (state->in_fd < 0) {
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return -1;
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}
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if (ptrbox_init(&state->ptrbox) < 0) {
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close(state->in_fd);
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return -1;
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}
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if (symbol_table_init(&state->symtab) < 0) {
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close(state->in_fd);
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ptrbox_destroy(&state->ptrbox);
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return -1;
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}
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if (tokbuf_init(&state->tokbuf) < 0) {
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ptrbox_destroy(&state->ptrbox);
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symbol_table_destroy(&state->symtab);
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close(state->in_fd);
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return -1;
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}
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state->line_num = 1;
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return 0;
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}
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void
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rifle_state_destroy(struct rifle_state *state)
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{
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if (state == NULL) {
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return;
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}
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close(state->in_fd);
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state->in_fd = -1;
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tokbuf_destroy(&state->tokbuf);
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symbol_table_destroy(&state->symtab);
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}
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