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#ifndef CERC_PARSE_H
#define CERC_PARSE_H
#include "expr.h"
struct ast_local {
struct location loc;
const char *name;
struct type type;
struct expr *init;
};
struct ast_assign {
struct location loc;
struct expr lhs;
struct expr rhs;
};
struct ast_elsebody {
struct ast_stmt *stmts;
int stmtsz, stmtlen;
};
struct ast_else {
struct location loc;
int cond;
union {
struct ast_if *conditional;
struct ast_elsebody body;
} action;
};
struct ast_if {
struct location loc;
struct expr cond;
struct ast_stmt *stmts;
int stmtsz, stmtlen;
struct ast_else *alt;
};
struct ast_for {
struct location loc;
struct ast_stmt *init;
struct expr cond;
struct ast_stmt *step;
struct ast_stmt *stmts;
int stmtsz, stmtlen;
};
struct ast_return {
struct location loc;
struct expr *value;
};
enum stmt {
S_LOCALVAR,
S_ASSIGN,
S_ADDASSIGN,
S_SUBASSIGN,
S_MULASSIGN,
S_DIVASSIGN,
S_REMASSIGN,
S_BANDASSIGN,
S_BORASSIGN,
S_BXORASSIGN,
S_INCR,
S_DECR,
S_IF,
S_FOR,
S_RETURN,
S_EXPR,
};
struct ast_stmt {
struct location loc;
enum stmt kind;
union {
struct ast_local localvar;
struct ast_assign assign;
struct ast_if conditional;
struct ast_for loop;
struct ast_return ret;
struct expr e;
} stmt;
};
struct ast_include {
struct location loc;
const char *path;
};
struct ast_global {
struct location loc;
const char *name;
int ispub;
int isextern;
struct type type;
};
struct ast_const {
struct location loc;
const char *name;
int ispub;
struct expr value;
};
struct ast_enumvar {
struct location loc;
const char *name;
struct expr *override;
};
struct ast_enum {
struct location loc;
struct expr init;
int ispub;
struct ast_enumvar *variants;
int variantsz, variantlen;
};
struct ast_field {
struct location loc;
const char *name;
struct type type;
};
struct ast_struct {
struct location loc;
const char *name;
int align;
int ispub;
struct ast_field *fields;
int fieldsz, fieldlen;
};
struct ast_union {
struct location loc;
const char *name;
int ispub;
struct type *types;
int typesz, typelen;
};
struct ast_func {
struct location loc;
int ispub;
int isextern;
const char *name;
struct ast_field *params;
int paramsz, paramlen;
struct type *ret;
struct ast_stmt *stmts;
int stmtsz, stmtlen;
};
enum toplevel {
TOP_INCLUDE,
TOP_GLOBAL,
TOP_CONST,
TOP_ENUM,
TOP_STRUCT,
TOP_UNION,
TOP_FUNC,
};
struct ast_toplevel {
struct location loc;
enum toplevel kind;
union {
struct ast_include include;
struct ast_global globalvar;
struct ast_const constant;
struct ast_enum enumconst;
struct ast_struct structdecl;
struct ast_union uniondecl;
struct ast_func function;
} tl;
};
struct ast_unit {
struct ast_toplevel *tops;
int topsz, toplen;
};
void parse(struct lexer *lexer, struct ast_unit *ast);
#endif
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