First commit

src/parse.h

@@ -0,0 +1,78 @@
+#ifndef WL_PARSE_INCLUDED
+#define WL_PARSE_INCLUDED
+
+#include <stdint.h>
+#include "basic.h"
+
+typedef enum {
+    NODE_FUNC_DECL,
+    NODE_FUNC_ARG,
+    NODE_FUNC_CALL,
+    NODE_BLOCK,
+    NODE_IFELSE,
+    NODE_FOR,
+    NODE_WHILE,
+    NODE_SELECT,
+    NODE_OPER_POS,
+    NODE_OPER_NEG,
+    NODE_OPER_ASS,
+    NODE_OPER_EQL,
+    NODE_OPER_NQL,
+    NODE_OPER_LSS,
+    NODE_OPER_GRT,
+    NODE_OPER_ADD,
+    NODE_OPER_SUB,
+    NODE_OPER_MUL,
+    NODE_OPER_DIV,
+    NODE_OPER_MOD,
+    NODE_VALUE_INT,
+    NODE_VALUE_FLOAT,
+    NODE_VALUE_STR,
+    NODE_VALUE_VAR,
+    NODE_VALUE_HTML,
+    NODE_VALUE_ARRAY,
+    NODE_VALUE_MAP,
+    NODE_HTML_PARAM,
+} NodeType;
+
+typedef struct Node Node;
+struct Node {
+    NodeType type;
+    Node *next;
+
+    Node *key;
+
+    Node *left;
+    Node *right;
+
+    uint64_t ival;
+    double   dval;
+    String   sval;
+
+    Node *params;
+    Node *child;
+
+    Node *cond;
+
+    String tagname;
+    String attr_name;
+    Node  *attr_value;
+
+    String for_var1;
+    String for_var2;
+    Node *for_set;
+
+    String func_name;
+    Node  *func_args;
+    Node  *func_body;
+};
+
+typedef struct {
+    Node *node;
+    int   errlen;
+} ParseResult;
+
+void print_node(Node *node);
+ParseResult parse(String src, Arena *a, char *errbuf, int errmax);
+
+#endif // WL_PARSE_INCLUDED