1 // SPDX-License-Identifier: GPL-2.0
5 #include "expr-bison.h"
6 #define YY_EXTRA_TYPE int
10 extern int expr_debug;
13 /* Caller must make sure id is allocated */
14 void expr__add_id(struct parse_ctx *ctx, const char *name, double val)
18 assert(ctx->num_ids < MAX_PARSE_ID);
20 ctx->ids[idx].name = name;
21 ctx->ids[idx].val = val;
24 void expr__ctx_init(struct parse_ctx *ctx)
30 __expr__parse(double *val, struct parse_ctx *ctx, const char *expr,
33 YY_BUFFER_STATE buffer;
37 ret = expr_lex_init_extra(start, &scanner);
41 buffer = expr__scan_string(expr, scanner);
47 ret = expr_parse(val, ctx, scanner);
49 expr__flush_buffer(buffer, scanner);
50 expr__delete_buffer(buffer, scanner);
51 expr_lex_destroy(scanner);
55 int expr__parse(double *final_val, struct parse_ctx *ctx, const char *expr)
57 return __expr__parse(final_val, ctx, expr, EXPR_PARSE) ? -1 : 0;
61 already_seen(const char *val, const char *one, const char **other,
66 if (one && !strcasecmp(one, val))
68 for (i = 0; i < num_other; i++)
69 if (!strcasecmp(other[i], val))
74 int expr__find_other(const char *expr, const char *one, const char ***other,
77 int err, i = 0, j = 0;
81 err = __expr__parse(NULL, &ctx, expr, EXPR_OTHER);
85 *other = malloc((ctx.num_ids + 1) * sizeof(char *));
89 for (i = 0, j = 0; i < ctx.num_ids; i++) {
90 const char *str = ctx.ids[i].name;
92 if (already_seen(str, one, *other, j))
103 if (i != ctx.num_ids) {
105 free((char *) (*other)[i]);