api refactoring

[m6w6/ext-psi] / src / types / decl_vars.h

diff --git a/src/types/decl_vars.h b/src/types/decl_vars.h
new file mode 100644 (file)
index 0000000..46c65bd
--- /dev/null
+++ b/src/types/decl_vars.h
@@ -0,0 +1,35 @@
+#ifndef _PSI_TYPES_DECL_VARS_H
+#define _PSI_TYPES_DECL_VARS_H
+
+typedef struct decl_vars {
+       decl_var **vars;
+       size_t count;
+} decl_vars;
+
+static inline decl_vars *init_decl_vars(decl_var *var) {
+       decl_vars *vars = calloc(1, sizeof(*vars));
+       if (var) {
+               vars->count = 1;
+               vars->vars = calloc(1, sizeof(*vars->vars));
+               vars->vars[0] = var;
+       }
+       return vars;
+}
+
+static inline decl_vars *add_decl_var(decl_vars *vars, decl_var *var) {
+       vars->vars = realloc(vars->vars, ++vars->count * sizeof(*vars->vars));
+       vars->vars[vars->count-1] = var;
+       return vars;
+}
+
+static inline void free_decl_vars(decl_vars *vars) {
+       size_t i;
+
+       for (i = 0; i < vars->count; ++i) {
+               free_decl_var(vars->vars[i]);
+       }
+       free(vars->vars);
+       free(vars);
+}
+
+#endif