44 lines
1001 B
C
44 lines
1001 B
C
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#include"vartable.h"
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#include"utils.h"
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#include<stdlib.h>
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#include<string.h>
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VarTable *vartable_new(VarTable *parent) {
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VarTable *ret = malloc(sizeof(*ret));
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ret->parent = parent;
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ret->count = 0;
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ret->names = NULL;
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ret->data = NULL;
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return ret;
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}
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VarTableEntry *vartable_get(VarTable *this, const char *name) {
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for(size_t v = 0; v < this->count; v++) {
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if(!strcmp(name, this->names[v])) return this->data[v];
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}
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return NULL;
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}
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VarTableEntry *vartable_find(VarTable *this, const char *name) {
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VarTable *tbl = this;
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while(tbl) {
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VarTableEntry *entry = vartable_get(tbl, name);
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if(entry) {
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return entry;
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}
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tbl = tbl->parent;
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}
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return NULL;
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}
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VarTableEntry *vartable_set(VarTable *this, const char *name, VarTableEntry *e) {
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this->names = realloc(this->names, sizeof(*this->names) * (this->count + 1));
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this->data = realloc(this->data, sizeof(*this->data) * (this->count + 1));
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this->names[this->count] = name;
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this->data[this->count] = e;
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this->count++;
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return e;
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}
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