66 lines
1.1 KiB
C
66 lines
1.1 KiB
C
#ifndef FZL_PARSER_H
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#define FZL_PARSER_H
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#include <compiler/fzl_reader.h>
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#include <compiler/fzl_token.h>
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#include <stddef.h>
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// AST node type
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typedef enum
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{
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FZL_NODETYPE_BLOCK,
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FZL_NODETYPE_CALL,
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FZL_NODETYPE_LITERAL,
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} fzl_nodetype_t;
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// AST node descriptor
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typedef struct fzl_node
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{
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fzl_nodetype_t type;
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fzl_token_t *token;
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struct fzl_node *parent;
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struct fzl_node *next;
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union
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{
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struct
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{
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struct fzl_node **entries;
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size_t entry_count;
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} list;
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};
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} fzl_node_t;
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// Token sequence parser descriptor
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typedef struct
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{
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fzl_reader_ll_t *first;
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size_t token_count;
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fzl_reader_ll_t *cursor;
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fzl_node_t *root;
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} fzl_parser_t;
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// Allocate parser
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fzl_parser_t *fzl_mkparser(fzl_reader_ll_t *first);
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// Allocate new node
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fzl_node_t *fzl_mknode(fzl_nodetype_t type, fzl_token_t *tok);
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// Parse tokens
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int fzl_parse(fzl_parser_t *parser);
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// Get last parser error
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char *fzl_parser_geterror();
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// Free node
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void fzl_freenode(fzl_node_t *node);
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// Free entire AST going from root node
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void fzl_freeast(fzl_node_t *root);
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// Free parser
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void fzl_freeparser(fzl_parser_t *parser);
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#endif // FZL_PARSER_H
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