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eval2: split string -> expr compilation path into frontend / middle end - string -> expr, where expr is a loose structural syntax tree (where we can get macros and stuff without doing typechecking etc.), and expr -> irtree, where irtree is the usual typed / typechecked / ir structured representation - preserve minimal identifier resolution path for parser, but move most resolution things to the middle-end

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This commit is contained in:
Ryan Fleury
2026-06-25 15:48:14 -07:00
parent c2b74260ef
commit d7393b2f65
6 changed files with 1124 additions and 860 deletions
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src/eval2/eval2.h
+60 -20
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@@ -11,6 +11,7 @@ typedef enum E2_ExprParseKind
{
E2_ExprParseKind_Null,
E2_ExprParseKind_UnaryPrefix,
E2_ExprParseKind_UnaryPostfix,
E2_ExprParseKind_Binary,
E2_ExprParseKind_Ternary,
E2_ExprParseKind_Call,
@@ -54,14 +55,10 @@ typedef enum E2_ParseStatus
E2_ParseStatus_LastTerminal = E2_ParseStatus_Error,
//- rjf: caller-provided info
E2_ParseStatus_MissedIdentifierResolution,
E2_ParseStatus_NewIdentifierDefinition,
E2_ParseStatus_MemberAccess,
E2_ParseStatus_IndexAccess,
E2_ParseStatus_Call,
E2_ParseStatus_CompileTimeEval,
E2_ParseStatus_FirstCallerRequest = E2_ParseStatus_MissedIdentifierResolution,
E2_ParseStatus_LastCallerRequest = E2_ParseStatus_CompileTimeEval,
E2_ParseStatus_CheckIdentifierIsType,
E2_ParseStatus_NewMacro,
E2_ParseStatus_FirstCallerRequest = E2_ParseStatus_CheckIdentifierIsType,
E2_ParseStatus_LastCallerRequest = E2_ParseStatus_NewMacro,
}
E2_ParseStatus;
@@ -333,10 +330,6 @@ struct E2_Expr
E2_ExprKind kind;
Rng1U64 src_range;
String8 string;
RDI_EvalOp op;
E2_TypeKey type_key;
E2_Mode mode;
E2_Val val;
};
typedef struct E2_ExprMapNode E2_ExprMapNode;
@@ -434,14 +427,48 @@ struct E2_IRNode
E2_Val val;
};
typedef struct E2_IdentifierMapNode E2_IdentifierMapNode;
struct E2_IdentifierMapNode
{
E2_IdentifierMapNode *next;
String8 name;
E2_IRNode *irtree;
};
typedef struct E2_IdentifierMap E2_IdentifierMap;
struct E2_IdentifierMap
{
E2_IdentifierMapNode **slots;
U64 slots_count;
};
typedef struct E2_CompileTask E2_CompileTask;
struct E2_CompileTask
{
E2_CompileTask *next;
E2_Expr *expr;
E2_ExprNode *last_compiled_child_node;
E2_IRNodePtrNode *first_irtree_child;
E2_IRNodePtrNode *last_irtree_child;
U64 irtree_child_count;
};
typedef struct E2_CompileState E2_CompileState;
struct E2_CompileState
{
E2_CompileTask *top_task;
E2_CompileTask *free_task;
U64 caller_request_count;
};
typedef struct E2_Compile E2_Compile;
struct E2_Compile
{
E2_CompileStatus status;
String8 identifier;
E2_Expr *expr;
E2_IRNode *irtree;
String8 member_name;
E2_Expr *params_expr;
E2_IRNode *params_irtree;
E2_MsgList msgs;
};
@@ -515,6 +542,12 @@ internal U64 e2_space_map_read(E2_SpaceMap *map, E2_SpaceID space_id, Rng1U64 ad
internal void e2_expr_map_push(Arena *arena, E2_ExprMap *map, String8 name, E2_Expr *expr);
internal E2_Expr *e2_expr_from_name(E2_ExprMap *map, String8 name);
////////////////////////////////
//~ rjf: Identifier Map Helpers
internal void e2_identifier_map_push(Arena *arena, E2_IdentifierMap *map, String8 name, E2_IRNode *irtree);
internal E2_IRNode *e2_irtree_from_identifier(E2_IdentifierMap *map, String8 name);
////////////////////////////////
//~ rjf: Messages
@@ -607,7 +640,10 @@ internal E2_TypeKey e2_coerced_type_key_from_operands(E2_TypeKey lhs, E2_TypeKey
////////////////////////////////
//~ rjf: Expression Constructors
internal E2_Expr *e2_expr(Arena *arena);
internal E2_Expr *e2_expr(Arena *arena, E2_ExprKind kind);
internal void e2_expr_push_child_node(E2_Expr *parent, E2_ExprNode *node);
internal void e2_expr_push_child(Arena *arena, E2_Expr *parent, E2_Expr *expr);
#if 0
internal E2_Expr *e2_expr_const_u64_or_smaller(Arena *arena, U64 u);
internal E2_Expr *e2_expr_const_f32(Arena *arena, F32 f32);
internal E2_Expr *e2_expr_const_f64(Arena *arena, F64 f64);
@@ -617,8 +653,7 @@ internal E2_Expr *e2_expr_resolve_to_value(Arena *arena, E2_Expr *expr);
internal E2_Expr *e2_expr_truncate(Arena *arena, E2_Expr *expr, E2_TypeKey dst_type_key);
internal E2_Expr *e2_expr_convert_if_possible(Arena *arena, E2_Expr *expr, E2_TypeKey dst_type_key);
internal E2_Expr *e2_expr_type(Arena *arena, E2_TypeKey type_key);
internal void e2_expr_push_child_node(E2_Expr *parent, E2_ExprNode *node);
internal void e2_expr_push_child(Arena *arena, E2_Expr *parent, E2_Expr *expr);
#endif
////////////////////////////////
//~ rjf: IR Tree Constructors
@@ -642,12 +677,17 @@ internal void e2_irnode_push_child(Arena *arena, E2_IRNode *parent, E2_IRNode *e
internal E2_Token e2_token_from_string_off(String8 string, U64 start_off);
internal U64 e2_read_token(String8 string, U64 off, E2_Token *token_out);
internal B32 e2_try_token(String8 string, E2_TokenKind kind, String8 expected_string, U64 *off_out, E2_Token *token_out);
internal E2_Parse e2_parse_from_string(Arena *arena, E2_ParseState *state, E2_ExprMap *expr_map, E2_Expr *access_result, E2_Val compile_time_eval_result, String8 string);
internal E2_Parse e2_parse_from_string(Arena *arena, E2_ParseState *state, B32 identifier_is_type, String8 string);
////////////////////////////////
//~ rjf: Expression -> Bytecode
//~ rjf: Expression -> IR Tree
internal String8 e2_bytecode_from_expr(Arena *arena, E2_Expr *expr);
internal E2_Compile e2_compile_from_expr(Arena *arena, E2_CompileState *state, E2_IRNode *resolve_result, E2_Val compile_time_eval_result, E2_Expr *expr);
////////////////////////////////
//~ rjf: IR Tree -> Bytecode
internal String8 e2_bytecode_from_irnode(Arena *arena, E2_IRNode *irnode);
////////////////////////////////
//~ rjf: Bytecode -> Result