wip: working on analyzer

- Feat: add `nest_ctx` and `fin_ctx` fns for working with context and
environment
- Feat: add block analyzer
- Feat: add conditional statement analyzer

include/compiler/fzl_analyzer.h

@@ -16,21 +16,6 @@ typedef enum
   FZL_AN_CTX_TYPE_LOOP,        // when analyzing loop
 } fzl_an_ctx_type_t;
 
-// Analyzer descriptor
-typedef struct
-{
-  char *warnings[256];
-  size_t warnings_top;
-
-  char *errors[256];
-  size_t errors_top;
-
-  fzl_symtable_t *symbols[256];
-  size_t symbols_top;
-
-  fzl_node_t *root;
-} fzl_analyzer_t;
-
 // Inner node analyzing result descriptor
 typedef struct
 {
@@ -48,6 +33,22 @@ typedef struct fzl_an_ctx
   fzl_an_ctx_type_t type;
 } fzl_an_ctx_t;
 
+// Analyzer descriptor
+typedef struct
+{
+  char *warnings[256];
+  size_t warnings_top;
+
+  char *errors[256];
+  size_t errors_top;
+
+  fzl_symtable_t *symbols[256];
+  size_t symbols_top;
+
+  fzl_node_t *root;
+  fzl_an_ctx_t *ctx;
+} fzl_analyzer_t;
+
 // Temp container for error
 extern char alast_error[256];
 
@@ -69,5 +70,11 @@ void fzl_freeanalyzer(fzl_analyzer_t *analyzer);
 fzl_an_res_t analyze_common(fzl_analyzer_t *analyzer, fzl_node_t *node);
 fzl_an_res_t analyze_call(fzl_analyzer_t *analyzer, fzl_node_t *call_node);
 fzl_an_res_t analyze_identifier(fzl_analyzer_t *analyzer, fzl_node_t *id);
+fzl_an_res_t analyze_conditional(fzl_analyzer_t *analyzer, fzl_node_t *cond);
+fzl_an_res_t analyze_function(fzl_analyzer_t *analyzer, fzl_node_t *fn_node);
+fzl_an_res_t analyze_block(fzl_analyzer_t *analyzer, fzl_node_t *block_node);
+
+fzl_an_ctx_t *an_nest_ctx(fzl_analyzer_t *analyzer, fzl_an_ctx_type_t type);
+fzl_an_ctx_t *an_fin_ctx(fzl_analyzer_t *analyzer);
 
 #endif // FZL_ANALYZER_H