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
166
167
168
169
170
171
172
173
174
175
176
|
#ifndef AMALGAM_AST_H
#define AMALGAM_AST_H
#include "defs.h"
#include "std/defs.h"
#include "std/buffer_view.h"
#include "std/buffer.h"
#include "std/misc.h"
#include "std/scoped_allocator.h"
#include "std/hash_map.h"
#include "binop_type.h"
#include "ssa/ssa.h"
#include <setjmp.h>
/* General error */
#define AST_ERR -1
#define AST_ERR_DEF_DUP -20
typedef struct FunctionCall FunctionCall;
typedef struct StructDecl StructDecl;
typedef struct StructField StructField;
typedef struct LhsExpr LhsExpr;
typedef struct Import Import;
typedef struct String String;
typedef struct Variable Variable;
typedef struct Number Number;
typedef struct Binop Binop;
typedef union {
void *data;
FunctionDecl *func_decl;
FunctionCall *func_call;
StructDecl *struct_decl;
StructField *struct_field;
LhsExpr *lhs_expr;
Import *import;
String *string;
Number *number;
Variable *variable;
Binop *binop;
} AstValue;
typedef enum {
AST_FUNCTION_DECL,
AST_FUNCTION_CALL,
AST_STRUCT_DECL,
AST_STRUCT_FIELD,
AST_LHS,
AST_IMPORT,
AST_STRING,
AST_NUMBER,
AST_VARIABLE,
AST_BINOP
} AstType;
typedef enum {
AST_NOT_RESOLVED,
AST_RESOLVING,
AST_RESOLVED,
AST_SSA_RESOLVED
} AstResolveStatus;
typedef struct {
LhsExpr *type;
AstResolveStatus status;
} AstResolveData;
typedef struct {
AstValue value;
AstType type;
AstResolveData resolve_data;
SsaRegister ssa_reg;
} Ast;
struct Scope {
Buffer/*<Ast*>*/ ast_objects;
HashMap/*(key=BufferView, value=Ast<LhsExpr>*)*/ named_objects;
Scope *parent;
/* Is null unless the scope is a file scope, in which case this is the parser that owns the scope */
Parser *parser;
};
struct FileScopeReference {
Parser *parser;
Buffer canonical_path;
};
struct Variable {
BufferView name;
};
struct FunctionDecl {
Scope body;
SsaFuncIndex ssa_func_index;
};
struct FunctionCall {
Variable func;
Buffer/*<Ast*>*/ args;
};
struct StructDecl {
Scope body;
};
struct StructField {
BufferView name;
Variable type;
};
struct LhsExpr {
bool is_pub;
bool is_const;
BufferView var_name;
Variable type;
Ast *rhs_expr;
/*
TODO: Find a better way to store this. This most likely will use too much memory.
*/
amal_mutex *mutex;
};
struct Import {
BufferView path;
FileScopeReference *file_scope;
};
struct String {
BufferView str;
};
struct Number {
union {
i64 integer;
f64 floating;
} value;
bool is_integer;
BufferView code_ref;
};
struct Binop {
Ast *lhs;
Ast *rhs;
BinopType type;
/* Is the binop already ordered - no need to reorder it */
bool grouped;
};
typedef struct {
jmp_buf env;
amal_compiler *compiler;
Scope *scope;
} AstCompilerContext;
CHECK_RESULT int ast_create(ScopedAllocator *allocator, void *value, AstType type, Ast **result);
BufferView ast_get_name(Ast *self);
CHECK_RESULT int funcdecl_init(FunctionDecl *self, Scope *parent, ScopedAllocator *allocator);
CHECK_RESULT int funccall_init(FunctionCall *self, BufferView name, ScopedAllocator *allocator);
CHECK_RESULT int structdecl_init(StructDecl *self, Scope *parent, ScopedAllocator *allocator);
void structfield_init(StructField *self, BufferView name, BufferView type_name);
CHECK_RESULT int lhsexpr_init(LhsExpr *self, bool is_pub, bool is_const, BufferView var_name, ScopedAllocator *allocator);
void import_init(Import *self, BufferView path);
CHECK_RESULT int string_init(String *self, BufferView str);
void number_init(Number *self, i64 value, bool is_integer, BufferView code_ref);
void variable_init(Variable *self, BufferView name);
void binop_init(Binop *self);
CHECK_RESULT int scope_init(Scope *self, Scope *parent, ScopedAllocator *allocator);
CHECK_RESULT int file_scope_reference_init(FileScopeReference *self, BufferView canonical_path, ScopedAllocator *allocator);
CHECK_RESULT int scope_add_child(Scope *self, Ast *child);
/* longjump to compiler env on failure */
void scope_resolve(Scope *self, AstCompilerContext *context);
#endif
|
