97 lines
1.7 KiB
C
97 lines
1.7 KiB
C
#ifndef ACC_AST_H
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#define ACC_AST_H
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#include <stdint.h>
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#include "util/linklist.h"
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// AST operation types
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enum {
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A_ASSIGN,
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A_ADD, A_SUB, A_MUL, A_DIV,
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A_EQ, A_NE, A_LT, A_GT, A_LE, A_GE,
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A_LIT, A_VAR,
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A_BLOCK,
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A_PRINT, A_IF, A_WHILE,
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A_SOUL // what?
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};
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// value type
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enum {
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V_I32, V_I64, V_BOOL
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};
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struct value_type {
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int vt; // base value type
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};
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// AST nodde types
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enum {
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N_BIN, N_UN, N_MULTI, N_LEAF, N_ASSIGN
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};
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// AST structure (common)
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struct ASTnode {
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int op; //operator
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};
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// AST binary operation node
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struct ASTbinnode {
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int op;
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struct ASTnode *left;
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struct ASTnode *right;
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};
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// AST if statement node
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struct ASTifnode {
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int op;
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struct ASTnode *left; // condition true branch
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struct ASTnode *right; // condition false branch
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struct ASTnode *cond;
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};
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// AST unary operation node
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struct ASTunnode {
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int op;
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struct ASTnode *c;
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};
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// AST block node
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struct ASTblocknode {
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int op;
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struct linklist st; // statements linklist
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};
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// AST literal node
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struct ASTlitnode {
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int op;
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struct value_type type;
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void *val;
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};
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// AST assign literal node
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struct ASTassignnode {
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int op;
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int left;
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struct ASTnode* right;
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};
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// AST variable value node
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struct ASTvarnode {
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int op;
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int id;
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};
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struct ASTnode* ast_make_binary(int op, struct ASTnode *left, struct ASTnode *right);
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struct ASTnode* ast_make_lit_i32(int32_t x);
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struct ASTnode* ast_make_lit_i64(int64_t x);
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struct ASTnode* ast_make_unary(int op, struct ASTnode *c);
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struct ASTnode* ast_make_block();
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struct ASTnode* ast_make_var(int id);
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struct ASTnode* ast_make_assign(int op, int left, struct ASTnode *right);
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struct ASTnode* ast_make_if(struct ASTnode *left, struct ASTnode *right, struct ASTnode *cond);
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int ast_type(int t);
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void ast_free(struct ASTnode *x);
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#endif
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