catc/AST.h at master · yui0/catc · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
#include <stdio.h>
#include <ctype.h>
#include <string.h>

//#define DEBUG

#define FALSE 0
#define TRUE 1

enum code {
	LIST,
	NUM,
	STR,
	SYM,
	EX_EQ,
	PLUS_OP,
	MINUS_OP,
	MUL_OP,
	LT_OP,
	GT_OP,
	GET_ARRAY_OP,
	SET_ARRAY_OP,
	CALL_OP,
//	PRINTLN_OP,
	IF_STATEMENT,
	BLOCK_STATEMENT,
	RETURN_STATEMENT,
	WHILE_STATEMENT,
	FOR_STATEMENT,

	GENERIC_OP,
	GENERIC_ASSOC,
	DEFAULT_ASSOC,
	ARRAY_ACCESS,
	DOT_OP,
	PTR_OP,
	INC_OP,
	DEC_OP,
	COMPOUND_LITERAL,
	UNARY_OP,
	SIZEOF_OP,
	ALIGNOF_OP,
	ADDR_OP,
	DEREF_OP,
	BIT_NOT_OP,
	NOT_OP,
	CAST_OP,
	DIV_OP,
	MOD_OP,
	LEFT_OP,
	RIGHT_OP,
	LE_OP,
	GE_OP,
	EQ_OP,
	NE_OP,
	BIT_AND_OP,
	BIT_XOR_OP,
	BIT_OR_OP,
	AND_OP,
	OR_OP,
	COND_OP,
	ASSIGN_OP,
	STORAGE_SPEC,
	TYPE_SPEC,
	TYPE_QUAL,
	FUNC_SPEC,
	ALIGN_SPEC,
	INIT_DECL,
	VOID_TYPE,
	CHAR_TYPE,
	SHORT_TYPE,
	INT_TYPE,
	LONG_TYPE,
	FLOAT_TYPE,
	DOUBLE_TYPE,
	SIGNED_TYPE,
	UNSIGNED_TYPE,
	BOOL_TYPE,
	COMPLEX_TYPE,
	IMAGINARY_TYPE,
	ATOMIC_TYPE,
	STRUCT_TYPE,
	ENUM_TYPE,
	TYPEDEF_TYPE,
	STRUCT_SPEC,
	STRUCT_DECL,
	BITFIELD,
	ENUM_SPEC,
	ENUM_CONST,
	ATOMIC_SPEC,
	CONST_QUAL,
	RESTRICT_QUAL,
	VOLATILE_QUAL,
	ATOMIC_QUAL,
	ALIGNAS_SPEC,
	ARRAY_DECL,
	STAR,
	FUNC_DECL,
	POINTER,
	ELLIPSIS,
	PARAM_DECL,
	TYPE_NAME,
	ABS_DECL,
	ARRAY_ABS,
	FUNC_ABS,
	DESIGN_INIT,
	STATIC_ASSERT,
	LABEL_STAT,
	CASE_STAT,
	DEFAULT_STAT,
	SWITCH_STATEMENT,
	DO_WHILE_STATEMENT,
	GOTO_STATEMENT,
	CONTINUE_STATEMENT,
	BREAK_STATEMENT
};

typedef struct abstract_syntax_tree {
	enum code op;
	int val;
	struct symbol *sym;
	struct abstract_syntax_tree *left, *right;
	char *str;
} AST;

typedef struct symbol {
	char *name;
	int type, pointer;
//	int val;
//	int *addr;
//	AST *func_params;
//	AST *func_body;
} Symbol;

#define MAX_SYMBOLS 10000

extern Symbol SymbolTable[];
extern int n_symbols;

AST *makeSymbol(char *name);
Symbol *lookupSymbol(char *name);
Symbol *getSymbol(AST *p);

void printAST(AST *p);

AST *makeNum(int val);
AST *makeStr(char *s);
AST *makeAST(enum code op, AST *right, AST *left);

AST *getNth(AST *p, int nth);
AST *getNext(AST *p);
AST *addLast(AST *l, AST *p);

#define getFirst(p) getNth(p, 0)
#define makeList1(x1) makeAST(LIST, x1, NULL)
#define makeList2(x1, x2) makeAST(LIST, x1, makeAST(LIST, x2, NULL))
#define makeList3(x1, x2, x3) makeAST(LIST, x1, makeAST(LIST, x2, makeAST(LIST, x3, NULL)))
#define addList(x1) ((x1->op!=LIST) ? makeList1(x1) : x1)

/* prototype for interface from parser to interpreter/compiler */
void defineFunction(Symbol *fsym, AST *params,AST *body);
void declareVariable(Symbol *vsym, AST *init_value);
void declareArray(Symbol *asym, AST *size);

void error(char *fmt, ...);