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Annote AST nodes with source information

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This commit is contained in:
Randy Heit 2013-08-28 22:59:03 -05:00
parent 5e0e74a47d
commit 2823ea5de3
3 changed files with 196 additions and 164 deletions
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342
src/zscript/zcc-parse.lemon
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@ -1,11 +1,34 @@
%include %include
{ {
// Allocates a new AST node off the parse state's arena. // Allocates a new AST node off the parse state's arena.
#define NEW_AST_NODE(type,name) \ #define NEW_AST_NODE(type,name,tok) \
ZCC_##type *name = (ZCC_##type *)stat->SyntaxArena.Alloc(sizeof(ZCC_##type)); \ ZCC_##type *name = static_cast<ZCC_##type *>(InitNode(sizeof(ZCC_##type), AST_##type, stat)); \
name->SiblingNext = name; \ SetNodeLine(name, tok)
name->SiblingPrev = name; \
name->NodeType = AST_##type static ZCC_TreeNode *InitNode(size_t size, EZCCTreeNodeType type, ZCCParseState *stat)
{
ZCC_TreeNode *node = (ZCC_TreeNode *)stat->SyntaxArena.Alloc(size);
node->SiblingNext = node;
node->SiblingPrev = node;
node->NodeType = type;
node->SourceName = stat->Strings.Alloc(stat->sc.ScriptName);
return node;
}
static void SetNodeLine(ZCC_TreeNode *name, ZCCToken &tok)
{
name->SourceLoc = tok.SourceLoc;
}
static void SetNodeLine(ZCC_TreeNode *name, ZCC_TreeNode *node)
{
name->SourceLoc = node->SourceLoc;
}
static void SetNodeLine(ZCC_TreeNode *name, int line)
{
name->SourceLoc = line;
}
// If a is non-null, appends b to a. Otherwise, sets a to b. // If a is non-null, appends b to a. Otherwise, sets a to b.
#define SAFE_APPEND(a,b) \ #define SAFE_APPEND(a,b) \
@ -115,9 +138,9 @@ class_definition(X) ::= class_head(A) class_body(B).
X = A; X = A;
} }
class_head(X) ::= CLASS dottable_id(A) class_ancestry(B) class_flags(C). class_head(X) ::= CLASS(T) dottable_id(A) class_ancestry(B) class_flags(C).
{ {
NEW_AST_NODE(Class,head); NEW_AST_NODE(Class,head,T);
head->ClassName = A; head->ClassName = A;
head->ParentName = B; head->ParentName = B;
head->Flags = C.Flags; head->Flags = C.Flags;
@ -148,13 +171,13 @@ class_flags(X) ::= class_flags(A) REPLACES dottable_id(B). { X.Flags = A.Flags;
dottable_id(X) ::= IDENTIFIER(A). dottable_id(X) ::= IDENTIFIER(A).
{ {
NEW_AST_NODE(Identifier,id); NEW_AST_NODE(Identifier,id,A);
id->Id = A.Name(); id->Id = A.Name();
X = id; X = id;
} }
dottable_id(X) ::= dottable_id(A) DOT IDENTIFIER(B). dottable_id(X) ::= dottable_id(A) DOT IDENTIFIER(B).
{ {
NEW_AST_NODE(Identifier,id2); NEW_AST_NODE(Identifier,id2,A);
id2->Id = B.Name(); id2->Id = B.Name();
A->AppendSibling(id2); A->AppendSibling(id2);
X = A; X = A;
@ -195,9 +218,9 @@ class_member(X) ::= const_def(A). { X = A; }
%type struct_body{ZCC_TreeNode *} %type struct_body{ZCC_TreeNode *}
%type struct_member{ZCC_TreeNode *} %type struct_member{ZCC_TreeNode *}
struct_def(X) ::= STRUCT IDENTIFIER(A) LBRACE opt_struct_body(B) RBRACE opt_semicolon. struct_def(X) ::= STRUCT(T) IDENTIFIER(A) LBRACE opt_struct_body(B) RBRACE opt_semicolon.
{ {
NEW_AST_NODE(Struct,def); NEW_AST_NODE(Struct,def,T);
def->StructName = A.Name(); def->StructName = A.Name();
def->Body = B; def->Body = B;
X = def; X = def;
@ -217,21 +240,20 @@ struct_member(X) ::= enum_def(A). { X = A; }
/*----- Enum Definition -----*/ /*----- Enum Definition -----*/
/* Enumerators are lists of named integers. */ /* Enumerators are lists of named integers. */
%type enum_type {EZCCBuiltinType}
%type enum_list {ZCC_EnumNode *} %type enum_list {ZCC_EnumNode *}
%type opt_enum_list {ZCC_EnumNode *} %type opt_enum_list {ZCC_EnumNode *}
%type enumerator {ZCC_EnumNode *} %type enumerator {ZCC_EnumNode *}
enum_def(X) ::= ENUM IDENTIFIER(A) enum_type(B) LBRACE opt_enum_list(C) RBRACE opt_semicolon. enum_def(X) ::= ENUM(T) IDENTIFIER(A) enum_type(B) LBRACE opt_enum_list(C) RBRACE opt_semicolon.
{ {
NEW_AST_NODE(Enum,def); NEW_AST_NODE(Enum,def,T);
def->EnumName = A.Name(); def->EnumName = A.Name();
def->EnumType = B; def->EnumType = (EZCCBuiltinType)B.Int;
def->Elements = C; def->Elements = C;
X = def; X = def;
} }
enum_type(X) ::= . { X = ZCC_IntAuto; } enum_type(X) ::= . { X.Int = ZCC_IntAuto; X.SourceLoc = stat->sc.GetMessageLine(); }
enum_type(X) ::= COLON int_type(A). { X = A; } enum_type(X) ::= COLON int_type(A). { X = A; }
enum_list(X) ::= error. { X = NULL; } enum_list(X) ::= error. { X = NULL; }
@ -243,14 +265,14 @@ opt_enum_list(X) ::= enum_list(A) opt_comma. { X = A; }
enumerator(X) ::= IDENTIFIER(A). enumerator(X) ::= IDENTIFIER(A).
{ {
NEW_AST_NODE(EnumNode,node); NEW_AST_NODE(EnumNode,node,A);
node->ElemName = A.Name(); node->ElemName = A.Name();
node->ElemValue = NULL; node->ElemValue = NULL;
X = node; X = node;
} }
enumerator(X) ::= IDENTIFIER(A) EQ expr(B). /* Expression must be constant. */ enumerator(X) ::= IDENTIFIER(A) EQ expr(B). /* Expression must be constant. */
{ {
NEW_AST_NODE(EnumNode,node); NEW_AST_NODE(EnumNode,node,A);
node->ElemName = A.Name(); node->ElemName = A.Name();
node->ElemValue = B; node->ElemValue = B;
X = node; X = node;
@ -276,9 +298,9 @@ enumerator(X) ::= IDENTIFIER(A) EQ expr(B). /* Expression must be constant. */
} }
%type state_opts {StateOpts} %type state_opts {StateOpts}
states_def(X) ::= STATES scanner_mode LBRACE states_body(A) RBRACE. states_def(X) ::= STATES(T) scanner_mode LBRACE states_body(A) RBRACE.
{ {
NEW_AST_NODE(States,def); NEW_AST_NODE(States,def,T);
def->Body = A; def->Body = A;
X = def; X = def;
} }
@ -304,20 +326,20 @@ states_body(X) ::= states_body(A) state_flow(B). { SAFE_APPEND(A,B); X = A; }
state_label(X) ::= NWS(A) COLON. state_label(X) ::= NWS(A) COLON.
{ {
NEW_AST_NODE(StateLabel, label); NEW_AST_NODE(StateLabel, label, A);
label->Label = A.Name(); label->Label = A.Name();
X = label; X = label;
} }
state_flow(X) ::= state_flow_type(A) scanner_mode SEMICOLON. { X = A; } state_flow(X) ::= state_flow_type(A) scanner_mode SEMICOLON. { X = A; }
state_flow_type(X) ::= STOP. { NEW_AST_NODE(StateStop, flow); X = flow; } state_flow_type(X) ::= STOP(A). { NEW_AST_NODE(StateStop, flow, A); X = flow; }
state_flow_type(X) ::= WAIT. { NEW_AST_NODE(StateWait, flow); X = flow; } state_flow_type(X) ::= WAIT(A). { NEW_AST_NODE(StateWait, flow, A); X = flow; }
state_flow_type(X) ::= FAIL. { NEW_AST_NODE(StateFail, flow); X = flow; } state_flow_type(X) ::= FAIL(A). { NEW_AST_NODE(StateFail, flow, A); X = flow; }
state_flow_type(X) ::= LOOP. { NEW_AST_NODE(StateLoop, flow); X = flow; } state_flow_type(X) ::= LOOP(A). { NEW_AST_NODE(StateLoop, flow, A); X = flow; }
state_flow_type(X) ::= GOTO dottable_id(A) state_goto_offset(B). state_flow_type(X) ::= GOTO(T) dottable_id(A) state_goto_offset(B).
{ {
NEW_AST_NODE(StateGoto, flow); NEW_AST_NODE(StateGoto, flow, T);
flow->Label = A; flow->Label = A;
flow->Offset = B; flow->Offset = B;
X = flow; X = flow;
@ -328,7 +350,7 @@ state_goto_offset(X) ::= PLUS expr(A). { X = A; } /* Must evaluate to a non-nega
state_line(X) ::= NWS(A) NWS(B) expr state_opts(C) state_action(D). state_line(X) ::= NWS(A) NWS(B) expr state_opts(C) state_action(D).
{ {
NEW_AST_NODE(StateLine, line); NEW_AST_NODE(StateLine, line, A);
const char *sprite = FName(A.Name()).GetChars(); const char *sprite = FName(A.Name()).GetChars();
if (strlen(sprite) != 4) if (strlen(sprite) != 4)
{ {
@ -361,8 +383,8 @@ state_action(X) ::= state_call(A) scanner_mode SEMICOLON. { X = A; }
state_call(X) ::= . { X = NULL; } state_call(X) ::= . { X = NULL; }
state_call(X) ::= IDENTIFIER(A) state_call_params(B). state_call(X) ::= IDENTIFIER(A) state_call_params(B).
{ {
NEW_AST_NODE(ExprFuncCall, expr); NEW_AST_NODE(ExprFuncCall, expr, A);
NEW_AST_NODE(ExprID, func); NEW_AST_NODE(ExprID, func, A);
func->Operation = PEX_ID; func->Operation = PEX_ID;
func->Identifier = A.Name(); func->Identifier = A.Name();
@ -380,37 +402,34 @@ state_call_params(X) ::= LPAREN func_expr_list(A) RPAREN. { X = A; }
default_def(X) ::= DEFAULT compound_statement(A). { X = A; } default_def(X) ::= DEFAULT compound_statement(A). { X = A; }
/* Type names */ /* Type names */
%type int_type {EZCCBuiltinType}
%type type_name {ZCC_BasicType *} %type type_name {ZCC_BasicType *}
%type type_name1 {EZCCBuiltinType}
%type vector_size {EZCCBuiltinType}
int_type(X) ::= SBYTE. { X = ZCC_SInt8; } int_type(X) ::= SBYTE(T). { X.Int = ZCC_SInt8; X.SourceLoc = T.SourceLoc; }
int_type(X) ::= BYTE. { X = ZCC_UInt8; } int_type(X) ::= BYTE(T). { X.Int = ZCC_UInt8; X.SourceLoc = T.SourceLoc; }
int_type(X) ::= SHORT. { X = ZCC_SInt16; } int_type(X) ::= SHORT(T). { X.Int = ZCC_SInt16; X.SourceLoc = T.SourceLoc; }
int_type(X) ::= USHORT. { X = ZCC_UInt16; } int_type(X) ::= USHORT(T). { X.Int = ZCC_UInt16; X.SourceLoc = T.SourceLoc; }
int_type(X) ::= INT. { X = ZCC_SInt32; } int_type(X) ::= INT(T). { X.Int = ZCC_SInt32; X.SourceLoc = T.SourceLoc; }
int_type(X) ::= UINT. { X = ZCC_UInt32; } int_type(X) ::= UINT(T). { X.Int = ZCC_UInt32; X.SourceLoc = T.SourceLoc; }
type_name1(X) ::= BOOL. { X = ZCC_Bool; } type_name1(X) ::= BOOL(T). { X.Int = ZCC_Bool; X.SourceLoc = T.SourceLoc; }
type_name1(X) ::= int_type(A). { X = A; } type_name1(X) ::= int_type(A). { X = A; }
type_name1(X) ::= FLOAT. { X = ZCC_FloatAuto; } type_name1(X) ::= FLOAT(T). { X.Int = ZCC_FloatAuto; X.SourceLoc = T.SourceLoc; }
type_name1(X) ::= DOUBLE. { X = ZCC_Float64; } type_name1(X) ::= DOUBLE(T). { X.Int = ZCC_Float64; X.SourceLoc = T.SourceLoc; }
type_name1(X) ::= STRING. { X = ZCC_String; } type_name1(X) ::= STRING(T). { X.Int = ZCC_String; X.SourceLoc = T.SourceLoc; }
type_name1(X) ::= VECTOR vector_size(A). { X = A; } type_name1(X) ::= VECTOR(T) vector_size(A). { X.Int = A.Int; X.SourceLoc = T.SourceLoc; }
type_name1(X) ::= NAME. { X = ZCC_Name; } type_name1(X) ::= NAME(T). { X.Int = ZCC_Name; X.SourceLoc = T.SourceLoc; }
type_name(X) ::= type_name1(A). type_name(X) ::= type_name1(A).
{ {
NEW_AST_NODE(BasicType, type); NEW_AST_NODE(BasicType, type, A);
type->Type = A; type->Type = (EZCCBuiltinType)A.Int;
type->UserType = NULL; type->UserType = NULL;
X = type; X = type;
} }
type_name(X) ::= IDENTIFIER(A). /* User-defined type (struct, enum, or class) */ type_name(X) ::= IDENTIFIER(A). /* User-defined type (struct, enum, or class) */
{ {
NEW_AST_NODE(BasicType, type); NEW_AST_NODE(BasicType, type, A);
NEW_AST_NODE(Identifier, id); NEW_AST_NODE(Identifier, id, A);
type->Type = ZCC_UserType; type->Type = ZCC_UserType;
type->UserType = id; type->UserType = id;
id->Id = A.Name(); id->Id = A.Name();
@ -418,7 +437,7 @@ type_name(X) ::= IDENTIFIER(A). /* User-defined type (struct, enum, or class)
} }
type_name(X) ::= DOT dottable_id(A). type_name(X) ::= DOT dottable_id(A).
{ {
NEW_AST_NODE(BasicType, type); NEW_AST_NODE(BasicType, type, A);
type->Type = ZCC_UserType; type->Type = ZCC_UserType;
type->UserType = A; type->UserType = A;
X = type; X = type;
@ -428,18 +447,19 @@ type_name(X) ::= DOT dottable_id(A).
* (Well, actually, I'm not sure if 4D ones are going to happen * (Well, actually, I'm not sure if 4D ones are going to happen
* straight away.) * straight away.)
*/ */
vector_size(X) ::= . { X = ZCC_Vector3; } vector_size(X) ::= . { X.Int = ZCC_Vector3; X.SourceLoc = stat->sc.GetMessageLine(); }
vector_size(X) ::= LT INTCONST(A) GT. vector_size(X) ::= LT INTCONST(A) GT.
{ {
if (A.Int >= 2 && A.Int <= 4) if (A.Int >= 2 && A.Int <= 4)
{ {
X = EZCCBuiltinType(ZCC_Vector2 + A.Int - 2); X.Int = ZCC_Vector2 + A.Int - 2;
} }
else else
{ {
X = ZCC_Vector3; X.Int = ZCC_Vector3;
stat->sc.ScriptMessage("Invalid vector size %d\n", A.Int); stat->sc.ScriptMessage("Invalid vector size %d\n", A.Int);
} }
X.SourceLoc = A.SourceLoc;
} }
/* Type names can also be used as identifiers in contexts where type names /* Type names can also be used as identifiers in contexts where type names
@ -457,24 +477,24 @@ vector_size(X) ::= LT INTCONST(A) GT.
%type array_size{ZCC_Expression *} %type array_size{ZCC_Expression *}
%type array_size_expr{ZCC_Expression *} %type array_size_expr{ZCC_Expression *}
aggregate_type(X) ::= MAP LT type_or_array(A) COMMA type_or_array(B) GT. /* Hash table */ aggregate_type(X) ::= MAP(T) LT type_or_array(A) COMMA type_or_array(B) GT. /* Hash table */
{ {
NEW_AST_NODE(MapType,map); NEW_AST_NODE(MapType,map,T);
map->KeyType = A; map->KeyType = A;
map->ValueType = B; map->ValueType = B;
X = map; X = map;
} }
aggregate_type(X) ::= ARRAY LT type_or_array(A) GT. /* TArray<type> */ aggregate_type(X) ::= ARRAY(T) LT type_or_array(A) GT. /* TArray<type> */
{ {
NEW_AST_NODE(DynArrayType,arr); NEW_AST_NODE(DynArrayType,arr,T);
arr->ElementType = A; arr->ElementType = A;
X = arr; X = arr;
} }
aggregate_type(X) ::= CLASS class_restrictor(A). /* class<type> */ aggregate_type(X) ::= CLASS(T) class_restrictor(A). /* class<type> */
{ {
NEW_AST_NODE(ClassType,cls); NEW_AST_NODE(ClassType,cls,T);
cls->Restriction = A; cls->Restriction = A;
X = cls; X = cls;
} }
@ -497,7 +517,7 @@ array_size_expr(X) ::= LBRACKET opt_expr(A) RBRACKET.
{ {
if (A == NULL) if (A == NULL)
{ {
NEW_AST_NODE(Expression,nil); NEW_AST_NODE(Expression,nil,A);
nil->Operation = PEX_Nil; nil->Operation = PEX_Nil;
X = nil; X = nil;
} }
@ -525,6 +545,7 @@ array_size(X) ::= array_size(A) array_size_expr(B).
ZCC_CompoundStmt *FuncBody; ZCC_CompoundStmt *FuncBody;
ENamedName FuncName; ENamedName FuncName;
int FuncFlags; int FuncFlags;
int SourceLoc;
}; };
} }
%type variables_or_function {VarOrFun} %type variables_or_function {VarOrFun}
@ -538,20 +559,20 @@ declarator(X) ::= decl_flags(A) type_list_or_void(B) variables_or_function(C).
} }
else if (C.FuncName != NAME_None) else if (C.FuncName != NAME_None)
{ // A function { // A function
NEW_AST_NODE(FuncDeclarator, decl); NEW_AST_NODE(FuncDeclarator, decl, A.SourceLoc);
decl->Type = B; decl->Type = B;
decl->Params = C.FuncParams; decl->Params = C.FuncParams;
decl->Name = C.FuncName; decl->Name = C.FuncName;
decl->Flags = A | C.FuncFlags; decl->Flags = A.Int | C.FuncFlags;
decl->Body = C.FuncBody; decl->Body = C.FuncBody;
X = decl; X = decl;
} }
else if (B != NULL && B->SiblingNext == B) else if (B != NULL && B->SiblingNext == B)
{ // A variable { // A variable
NEW_AST_NODE(VarDeclarator, decl); NEW_AST_NODE(VarDeclarator, decl, A.SourceLoc);
decl->Type = B; decl->Type = B;
decl->Names = C.VarNames; decl->Names = C.VarNames;
decl->Flags = A; decl->Flags = A.Int;
X = decl; X = decl;
} }
else else
@ -569,10 +590,10 @@ declarator(X) ::= decl_flags(A) type_list_or_void(B) variables_or_function(C).
} }
declarator_no_fun(X) ::= decl_flags(A) type(B) variable_list(C). declarator_no_fun(X) ::= decl_flags(A) type(B) variable_list(C).
{ {
NEW_AST_NODE(VarDeclarator, decl); NEW_AST_NODE(VarDeclarator, decl, A.SourceLoc ? A.SourceLoc : B->SourceLoc);
decl->Type = B; decl->Type = B;
decl->Names = C; decl->Names = C;
decl->Flags = A; decl->Flags = A.Int;
X = decl; X = decl;
} }
@ -583,9 +604,10 @@ variables_or_function(X) ::= IDENTIFIER(A) LPAREN func_params(B) RPAREN func_con
fun.VarNames = NULL; fun.VarNames = NULL;
fun.FuncParams = B; fun.FuncParams = B;
fun.FuncFlags = C; fun.FuncFlags = C.Int;
fun.FuncName = A.Name(); fun.FuncName = A.Name();
fun.FuncBody = D; fun.FuncBody = D;
fun.SourceLoc = A.SourceLoc;
X = fun; X = fun;
} }
variables_or_function(X) ::= variable_list(A) SEMICOLON. variables_or_function(X) ::= variable_list(A) SEMICOLON.
@ -597,9 +619,10 @@ variables_or_function(X) ::= variable_list(A) SEMICOLON.
var.FuncFlags = 0; var.FuncFlags = 0;
var.FuncName = NAME_None; var.FuncName = NAME_None;
var.FuncBody = NULL; var.FuncBody = NULL;
var.SourceLoc = A->SourceLoc;
X = var; X = var;
} }
variables_or_function(X) ::= error SEMICOLON. variables_or_function(X) ::= error SEMICOLON(T).
{ {
VarOrFun bad; VarOrFun bad;
bad.VarNames = NULL; bad.VarNames = NULL;
@ -607,6 +630,7 @@ variables_or_function(X) ::= error SEMICOLON.
bad.FuncFlags = 0; bad.FuncFlags = 0;
bad.FuncName = NAME_None; bad.FuncName = NAME_None;
bad.FuncBody = NULL; bad.FuncBody = NULL;
bad.SourceLoc = T.SourceLoc;
X = bad; X = bad;
} }
@ -614,19 +638,17 @@ variables_or_function(X) ::= error SEMICOLON.
%type variable_name{ZCC_VarName *} %type variable_name{ZCC_VarName *}
%type variable_list{ZCC_VarName *} %type variable_list{ZCC_VarName *}
%type decl_flags{int}
%type func_const{int}
variable_name(X) ::= IDENTIFIER(A). variable_name(X) ::= IDENTIFIER(A).
{ {
NEW_AST_NODE(VarName,var); NEW_AST_NODE(VarName,var,A);
var->Name = ENamedName(A.Int); var->Name = ENamedName(A.Int);
var->ArraySize = NULL; var->ArraySize = NULL;
X = var; X = var;
} }
variable_name(X) ::= IDENTIFIER(A) array_size(B). variable_name(X) ::= IDENTIFIER(A) array_size(B).
{ {
NEW_AST_NODE(VarName,var); NEW_AST_NODE(VarName,var,A);
var->Name = ENamedName(A.Int); var->Name = ENamedName(A.Int);
var->ArraySize = B; var->ArraySize = B;
X = var; X = var;
@ -642,20 +664,20 @@ variable_list(X) ::= variable_list(A) COMMA variable_name(B).
X = A; X = A;
} }
decl_flags(X) ::= . { X = 0; } decl_flags(X) ::= . { X.Int = 0; X.SourceLoc = 0; }
decl_flags(X) ::= decl_flags(A) NATIVE. { X = A | ZCC_Native; } decl_flags(X) ::= decl_flags(A) NATIVE(T). { X.Int = A.Int | ZCC_Native; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
decl_flags(X) ::= decl_flags(A) STATIC. { X = A | ZCC_Static; } decl_flags(X) ::= decl_flags(A) STATIC(T). { X.Int = A.Int | ZCC_Static; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
decl_flags(X) ::= decl_flags(A) PRIVATE. { X = A | ZCC_Private; } decl_flags(X) ::= decl_flags(A) PRIVATE(T). { X.Int = A.Int | ZCC_Private; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
decl_flags(X) ::= decl_flags(A) PROTECTED. { X = A | ZCC_Protected; } decl_flags(X) ::= decl_flags(A) PROTECTED(T). { X.Int = A.Int | ZCC_Protected; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
decl_flags(X) ::= decl_flags(A) LATENT. { X = A | ZCC_Latent; } decl_flags(X) ::= decl_flags(A) LATENT(T). { X.Int = A.Int | ZCC_Latent; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
decl_flags(X) ::= decl_flags(A) FINAL. { X = A | ZCC_Final; } decl_flags(X) ::= decl_flags(A) FINAL(T). { X.Int = A.Int | ZCC_Final; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
decl_flags(X) ::= decl_flags(A) META. { X = A | ZCC_Meta; } decl_flags(X) ::= decl_flags(A) META(T). { X.Int = A.Int | ZCC_Meta; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
decl_flags(X) ::= decl_flags(A) ACTION. { X = A | ZCC_Action; } decl_flags(X) ::= decl_flags(A) ACTION(T). { X.Int = A.Int | ZCC_Action; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
decl_flags(X) ::= decl_flags(A) READONLY. { X = A | ZCC_ReadOnly; } decl_flags(X) ::= decl_flags(A) READONLY(T). { X.Int = A.Int | ZCC_ReadOnly; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
decl_flags(X) ::= decl_flags(A) DEPRECATED. { X = A | ZCC_Deprecated; } decl_flags(X) ::= decl_flags(A) DEPRECATED(T). { X.Int = A.Int | ZCC_Deprecated; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
func_const(X) ::= . { X = 0; } func_const(X) ::= . { X.Int = 0; X.SourceLoc = stat->sc.GetMessageLine(); }
func_const(X) ::= CONST. { X = ZCC_FuncConst; } func_const(X) ::= CONST(T). { X.Int = ZCC_FuncConst; X.SourceLoc = T.SourceLoc; }
opt_func_body(X) ::= SEMICOLON. { X = NULL; } opt_func_body(X) ::= SEMICOLON. { X = NULL; }
opt_func_body(X) ::= function_body(A). { X = A; } opt_func_body(X) ::= function_body(A). { X = A; }
@ -663,7 +685,6 @@ opt_func_body(X) ::= function_body(A). { X = A; }
%type func_params {ZCC_FuncParamDecl *} %type func_params {ZCC_FuncParamDecl *}
%type func_param_list {ZCC_FuncParamDecl *} %type func_param_list {ZCC_FuncParamDecl *}
%type func_param {ZCC_FuncParamDecl *} %type func_param {ZCC_FuncParamDecl *}
%type func_param_flags {int}
func_params(X) ::= . /* empty */ { X = NULL; } func_params(X) ::= . /* empty */ { X = NULL; }
func_params(X) ::= VOID. { X = NULL; } func_params(X) ::= VOID. { X = NULL; }
@ -674,22 +695,22 @@ func_param_list(X) ::= func_param_list(A) COMMA func_param(B). { X = A; A->Appen
func_param(X) ::= func_param_flags(A) type(B) IDENTIFIER(C). func_param(X) ::= func_param_flags(A) type(B) IDENTIFIER(C).
{ {
NEW_AST_NODE(FuncParamDecl,parm); NEW_AST_NODE(FuncParamDecl,parm,A.SourceLoc ? A.SourceLoc : B->SourceLoc);
parm->Type = B; parm->Type = B;
parm->Name = C.Name(); parm->Name = C.Name();
parm->Flags = A; parm->Flags = A.Int;
X = parm; X = parm;
} }
func_param_flags(X) ::= . { X = 0; } func_param_flags(X) ::= . { X.Int = 0; X.SourceLoc = 0; }
func_param_flags(X) ::= func_param_flags(A) IN. { X = A | ZCC_In; } func_param_flags(X) ::= func_param_flags(A) IN(T). { X.Int = A.Int | ZCC_In; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
func_param_flags(X) ::= func_param_flags(A) OUT. { X = A | ZCC_Out; } func_param_flags(X) ::= func_param_flags(A) OUT(T). { X.Int = A.Int | ZCC_Out; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
func_param_flags(X) ::= func_param_flags(A) OPTIONAL. { X = A | ZCC_Optional; } func_param_flags(X) ::= func_param_flags(A) OPTIONAL(T). { X.Int = A.Int | ZCC_Optional; X.SourceLoc = A.SourceLoc ? A.SourceLoc : T.SourceLoc; }
/* Like UnrealScript, a constant's type is implied by its value's type. */ /* Like UnrealScript, a constant's type is implied by its value's type. */
const_def(X) ::= CONST IDENTIFIER(A) EQ expr(B) SEMICOLON. const_def(X) ::= CONST(T) IDENTIFIER(A) EQ expr(B) SEMICOLON.
{ {
NEW_AST_NODE(ConstantDef,def); NEW_AST_NODE(ConstantDef,def,T);
def->Name = A.Name(); def->Name = A.Name();
def->Value = B; def->Value = B;
X = def; X = def;
@ -707,22 +728,22 @@ const_def(X) ::= CONST IDENTIFIER(A) EQ expr(B) SEMICOLON.
%type constant{ZCC_Expression *} %type constant{ZCC_Expression *}
%include { %include {
#define UNARY_EXPR(X,T) NEW_AST_NODE(ExprUnary, expr); expr->Operation = T; expr->Operand = X #define UNARY_EXPR(X,T) NEW_AST_NODE(ExprUnary, expr, X); expr->Operation = T; expr->Operand = X
#define BINARY_EXPR(X,Y,T) NEW_AST_NODE(ExprBinary, expr); expr->Operation = T; expr->Left = X; expr->Right = Y #define BINARY_EXPR(X,Y,T) NEW_AST_NODE(ExprBinary, expr, X); expr->Operation = T; expr->Left = X; expr->Right = Y
} }
/*----- Primary Expressions -----*/ /*----- Primary Expressions -----*/
primary(X) ::= IDENTIFIER(A). primary(X) ::= IDENTIFIER(A).
{ {
NEW_AST_NODE(ExprID, expr); NEW_AST_NODE(ExprID, expr, A);
expr->Operation = PEX_ID; expr->Operation = PEX_ID;
expr->Identifier = A.Name(); expr->Identifier = A.Name();
X = expr; X = expr;
} }
primary(X) ::= SUPER. primary(X) ::= SUPER(T).
{ {
NEW_AST_NODE(Expression, expr); NEW_AST_NODE(Expression, expr, T);
expr->Operation = PEX_Super; expr->Operation = PEX_Super;
X = expr; X = expr;
} }
@ -730,9 +751,9 @@ primary(X) ::= constant(A).
{ {
X = A; X = A;
} }
primary(X) ::= SELF. primary(X) ::= SELF(T).
{ {
NEW_AST_NODE(Expression, expr); NEW_AST_NODE(Expression, expr, T);
expr->Operation = PEX_Self; expr->Operation = PEX_Self;
X = expr; X = expr;
} }
@ -743,7 +764,7 @@ primary(X) ::= LPAREN expr(A) RPAREN.
primary ::= LPAREN error RPAREN. primary ::= LPAREN error RPAREN.
primary(X) ::= primary(A) LPAREN func_expr_list(B) RPAREN. [DOT] // Function call primary(X) ::= primary(A) LPAREN func_expr_list(B) RPAREN. [DOT] // Function call
{ {
NEW_AST_NODE(ExprFuncCall, expr); NEW_AST_NODE(ExprFuncCall, expr, A);
expr->Operation = PEX_FuncCall; expr->Operation = PEX_FuncCall;
expr->Function = A; expr->Function = A;
expr->Parameters = B; expr->Parameters = B;
@ -751,7 +772,7 @@ primary(X) ::= primary(A) LPAREN func_expr_list(B) RPAREN. [DOT] // Function ca
} }
primary(X) ::= primary(A) LBRACKET expr(B) RBRACKET. [DOT] // Array access primary(X) ::= primary(A) LBRACKET expr(B) RBRACKET. [DOT] // Array access
{ {
NEW_AST_NODE(ExprBinary, expr); NEW_AST_NODE(ExprBinary, expr, B);
expr->Operation = PEX_ArrayAccess; expr->Operation = PEX_ArrayAccess;
expr->Left = A; expr->Left = A;
expr->Right = B; expr->Right = B;
@ -759,7 +780,7 @@ primary(X) ::= primary(A) LBRACKET expr(B) RBRACKET. [DOT] // Array access
} }
primary(X) ::= primary(A) DOT IDENTIFIER(B). // Member access primary(X) ::= primary(A) DOT IDENTIFIER(B). // Member access
{ {
NEW_AST_NODE(ExprMemberAccess, expr); NEW_AST_NODE(ExprMemberAccess, expr, B);
expr->Operation = PEX_MemberAccess; expr->Operation = PEX_MemberAccess;
expr->Left = A; expr->Left = A;
expr->Right = ENamedName(B.Int); expr->Right = ENamedName(B.Int);
@ -979,7 +1000,7 @@ expr(X) ::= expr(A) SCOPE expr(B).
expr(X) ::= expr(A) QUESTION expr(B) COLON expr(C). expr(X) ::= expr(A) QUESTION expr(B) COLON expr(C).
{ {
NEW_AST_NODE(ExprTrinary, expr); NEW_AST_NODE(ExprTrinary, expr, A);
expr->Operation = PEX_Trinary; expr->Operation = PEX_Trinary;
expr->Test = A; expr->Test = A;
expr->Left = B; expr->Left = B;
@ -1014,19 +1035,19 @@ func_expr_list(X) ::= func_expr_item(A).
{ {
X = A; X = A;
} }
func_expr_list(X) ::= func_expr_list(A) COMMA func_expr_item(B). func_expr_list(X) ::= func_expr_list(A) COMMA(T) func_expr_item(B).
{ {
// Omitted parameters still need to appear as nodes in the list. // Omitted parameters still need to appear as nodes in the list.
if (A == NULL) if (A == NULL)
{ {
NEW_AST_NODE(FuncParm,nil_a); NEW_AST_NODE(FuncParm,nil_a,T);
nil_a->Value = NULL; nil_a->Value = NULL;
nil_a->Label = NAME_None; nil_a->Label = NAME_None;
A = nil_a; A = nil_a;
} }
if (B == NULL) if (B == NULL)
{ {
NEW_AST_NODE(FuncParm,nil_b); NEW_AST_NODE(FuncParm,nil_b,T);
nil_b->Value = NULL; nil_b->Value = NULL;
nil_b->Label = NAME_None; nil_b->Label = NAME_None;
B = nil_b; B = nil_b;
@ -1046,14 +1067,14 @@ func_expr_item(X) ::= named_expr(A).
named_expr(X) ::= IDENTIFIER(A) COLON expr(B). named_expr(X) ::= IDENTIFIER(A) COLON expr(B).
{ {
NEW_AST_NODE(FuncParm, parm); NEW_AST_NODE(FuncParm, parm, A);
parm->Value = B; parm->Value = B;
parm->Label = ENamedName(A.Int); parm->Label = ENamedName(A.Int);
X = parm; X = parm;
} }
named_expr(X) ::= expr(B). named_expr(X) ::= expr(B).
{ {
NEW_AST_NODE(FuncParm, parm); NEW_AST_NODE(FuncParm, parm, B);
parm->Value = B; parm->Value = B;
parm->Label = NAME_None; parm->Label = NAME_None;
X = parm; X = parm;
@ -1066,14 +1087,14 @@ named_expr(X) ::= expr(B).
string_constant(X) ::= STRCONST(A). string_constant(X) ::= STRCONST(A).
{ {
NEW_AST_NODE(ExprString, strconst); NEW_AST_NODE(ExprString, strconst, A);
strconst->Operation = PEX_StringConst; strconst->Operation = PEX_StringConst;
strconst->Value = A.String; strconst->Value = A.String;
X = strconst; X = strconst;
} }
string_constant(X) ::= string_constant(A) STRCONST(B). string_constant(X) ::= string_constant(A) STRCONST(B).
{ {
NEW_AST_NODE(ExprString, strconst); NEW_AST_NODE(ExprString, strconst, A);
strconst->Operation = PEX_StringConst; strconst->Operation = PEX_StringConst;
strconst->Value = stat->Strings.Alloc(*(A->Value) + *(B.String)); strconst->Value = stat->Strings.Alloc(*(A->Value) + *(B.String));
X = strconst; X = strconst;
@ -1085,14 +1106,14 @@ constant(X) ::= string_constant(A).
} }
constant(X) ::= INTCONST(A). constant(X) ::= INTCONST(A).
{ {
NEW_AST_NODE(ExprInt, intconst); NEW_AST_NODE(ExprInt, intconst, A);
intconst->Operation = PEX_IntConst; intconst->Operation = PEX_IntConst;
intconst->Value = A.Int; intconst->Value = A.Int;
X = intconst; X = intconst;
} }
constant(X) ::= FLOATCONST(A). constant(X) ::= FLOATCONST(A).
{ {
NEW_AST_NODE(ExprFloat, floatconst); NEW_AST_NODE(ExprFloat, floatconst, A);
floatconst->Operation = PEX_FloatConst; floatconst->Operation = PEX_FloatConst;
floatconst->Value = A.Float; floatconst->Value = A.Float;
X = floatconst; X = floatconst;
@ -1118,25 +1139,25 @@ statement(X) ::= error SEMICOLON. { X = NULL; }
%type jump_statement{ZCC_Statement *} %type jump_statement{ZCC_Statement *}
jump_statement(A) ::= CONTINUE SEMICOLON. jump_statement(A) ::= CONTINUE(T) SEMICOLON.
{ {
NEW_AST_NODE(ContinueStmt, stmt); NEW_AST_NODE(ContinueStmt, stmt, T);
A = stmt; A = stmt;
} }
jump_statement(A) ::= BREAK SEMICOLON. jump_statement(A) ::= BREAK(T) SEMICOLON.
{ {
NEW_AST_NODE(BreakStmt, stmt); NEW_AST_NODE(BreakStmt, stmt, T);
A = stmt; A = stmt;
} }
jump_statement(A) ::= RETURN SEMICOLON. jump_statement(A) ::= RETURN(T) SEMICOLON.
{ {
NEW_AST_NODE(ReturnStmt, stmt); NEW_AST_NODE(ReturnStmt, stmt, T);
stmt->Values = NULL; stmt->Values = NULL;
A = stmt; A = stmt;
} }
jump_statement(A) ::= RETURN expr_list(X) SEMICOLON. jump_statement(A) ::= RETURN(T) expr_list(X) SEMICOLON.
{ {
NEW_AST_NODE(ReturnStmt, stmt); NEW_AST_NODE(ReturnStmt, stmt, T);
stmt->Values = X; stmt->Values = X;
A = stmt; A = stmt;
} }
@ -1146,21 +1167,21 @@ jump_statement(A) ::= RETURN expr_list(X) SEMICOLON.
%type compound_statement{ZCC_CompoundStmt *} %type compound_statement{ZCC_CompoundStmt *}
%type statement_list{ZCC_Statement *} %type statement_list{ZCC_Statement *}
compound_statement(X) ::= LBRACE RBRACE. compound_statement(X) ::= LBRACE(T) RBRACE.
{ {
NEW_AST_NODE(CompoundStmt,stmt); NEW_AST_NODE(CompoundStmt,stmt,T);
stmt->Content = NULL; stmt->Content = NULL;
X = stmt; X = stmt;
} }
compound_statement(X) ::= LBRACE statement_list(A) RBRACE. compound_statement(X) ::= LBRACE(T) statement_list(A) RBRACE.
{ {
NEW_AST_NODE(CompoundStmt,stmt); NEW_AST_NODE(CompoundStmt,stmt,T);
stmt->Content = A; stmt->Content = A;
X = stmt; X = stmt;
} }
compound_statement(X) ::= LBRACE error RBRACE. compound_statement(X) ::= LBRACE(T) error RBRACE.
{ {
NEW_AST_NODE(CompoundStmt,stmt); NEW_AST_NODE(CompoundStmt,stmt,T);
stmt->Content = NULL; stmt->Content = NULL;
X = stmt; X = stmt;
} }
@ -1181,7 +1202,7 @@ statement_list(X) ::= statement_list(A) statement(B).
expression_statement(X) ::= expr(A). expression_statement(X) ::= expr(A).
{ {
NEW_AST_NODE(ExpressionStmt, stmt); NEW_AST_NODE(ExpressionStmt, stmt, A);
stmt->Expression = A; stmt->Expression = A;
X = stmt; X = stmt;
} }
@ -1193,7 +1214,7 @@ expression_statement(X) ::= expr(A).
// while/until (expr) statement // while/until (expr) statement
iteration_statement(X) ::= while_or_until(TY) LPAREN expr(EX) RPAREN statement(ST). iteration_statement(X) ::= while_or_until(TY) LPAREN expr(EX) RPAREN statement(ST).
{ {
NEW_AST_NODE(IterationStmt, iter); NEW_AST_NODE(IterationStmt, iter, TY);
if (TY.Int == ZCC_UNTIL) if (TY.Int == ZCC_UNTIL)
{ // Negate the loop condition { // Negate the loop condition
UNARY_EXPR(EX,PEX_BoolNot); UNARY_EXPR(EX,PEX_BoolNot);
@ -1209,9 +1230,9 @@ iteration_statement(X) ::= while_or_until(TY) LPAREN expr(EX) RPAREN statement(S
X = iter; X = iter;
} }
// do statement while/until (expr) // do statement while/until (expr)
iteration_statement(X) ::= DO statement(ST) while_or_until(TY) LPAREN expr(EX) RPAREN. iteration_statement(X) ::= DO(T) statement(ST) while_or_until(TY) LPAREN expr(EX) RPAREN.
{ {
NEW_AST_NODE(IterationStmt, iter); NEW_AST_NODE(IterationStmt, iter, T);
if (TY.Int == ZCC_UNTIL) if (TY.Int == ZCC_UNTIL)
{ // Negate the loop condition { // Negate the loop condition
UNARY_EXPR(EX,PEX_BoolNot); UNARY_EXPR(EX,PEX_BoolNot);
@ -1227,9 +1248,9 @@ iteration_statement(X) ::= DO statement(ST) while_or_until(TY) LPAREN expr(EX) R
X = iter; X = iter;
} }
// for (init; cond; bump) statement // for (init; cond; bump) statement
iteration_statement(X) ::= FOR LPAREN for_init(IN) SEMICOLON opt_expr(EX) SEMICOLON for_bump(DO) RPAREN statement(ST). iteration_statement(X) ::= FOR(T) LPAREN for_init(IN) SEMICOLON opt_expr(EX) SEMICOLON for_bump(DO) RPAREN statement(ST).
{ {
NEW_AST_NODE(IterationStmt, iter); NEW_AST_NODE(IterationStmt, iter, T);
iter->LoopCondition = EX; iter->LoopCondition = EX;
iter->LoopStatement = ST; iter->LoopStatement = ST;
iter->LoopBumper = DO; iter->LoopBumper = DO;
@ -1239,18 +1260,20 @@ iteration_statement(X) ::= FOR LPAREN for_init(IN) SEMICOLON opt_expr(EX) SEMICO
SAFE_APPEND(IN, iter); SAFE_APPEND(IN, iter);
// And the whole thing gets wrapped inside a compound statement in case the loop // And the whole thing gets wrapped inside a compound statement in case the loop
// initializer defined any variables. // initializer defined any variables.
NEW_AST_NODE(CompoundStmt, wrap); NEW_AST_NODE(CompoundStmt, wrap, T);
wrap->Content = IN; wrap->Content = IN;
X = wrap; X = wrap;
} }
while_or_until(X) ::= WHILE. while_or_until(X) ::= WHILE(T).
{ {
X.Int = ZCC_WHILE; X.Int = ZCC_WHILE;
X.SourceLoc = T.SourceLoc;
} }
while_or_until(X) ::= UNTIL. while_or_until(X) ::= UNTIL(T).
{ {
X.Int = ZCC_UNTIL; X.Int = ZCC_UNTIL;
X.SourceLoc = T.SourceLoc;
} }
%type for_init{ZCC_Statement *} %type for_init{ZCC_Statement *}
@ -1283,9 +1306,9 @@ selection_statement(X) ::= if_front(A) ELSE statement(B). [ELSE]
X = A; X = A;
} }
if_front(X) ::= IF LPAREN expr(A) RPAREN statement(B). if_front(X) ::= IF(T) LPAREN expr(A) RPAREN statement(B).
{ {
NEW_AST_NODE(IfStmt,stmt); NEW_AST_NODE(IfStmt,stmt,T);
stmt->Condition = A; stmt->Condition = A;
stmt->TruePath = B; stmt->TruePath = B;
stmt->FalsePath = NULL; stmt->FalsePath = NULL;
@ -1294,9 +1317,9 @@ if_front(X) ::= IF LPAREN expr(A) RPAREN statement(B).
/*----- Switch Statements -----*/ /*----- Switch Statements -----*/
selection_statement(X) ::= SWITCH LPAREN expr(A) RPAREN statement(B). selection_statement(X) ::= SWITCH(T) LPAREN expr(A) RPAREN statement(B).
{ {
NEW_AST_NODE(SwitchStmt,stmt); NEW_AST_NODE(SwitchStmt,stmt,T);
stmt->Condition = A; stmt->Condition = A;
stmt->Content = B; stmt->Content = B;
X = stmt; X = stmt;
@ -1306,15 +1329,15 @@ selection_statement(X) ::= SWITCH LPAREN expr(A) RPAREN statement(B).
%type labeled_statement{ZCC_CaseStmt *} %type labeled_statement{ZCC_CaseStmt *}
labeled_statement(X) ::= CASE expr(A) COLON. labeled_statement(X) ::= CASE(T) expr(A) COLON.
{ {
NEW_AST_NODE(CaseStmt,stmt); NEW_AST_NODE(CaseStmt,stmt,T);
stmt->Condition = A; stmt->Condition = A;
X = stmt; X = stmt;
} }
labeled_statement(X) ::= DEFAULT COLON. labeled_statement(X) ::= DEFAULT(T) COLON.
{ {
NEW_AST_NODE(CaseStmt,stmt); NEW_AST_NODE(CaseStmt,stmt,T);
stmt->Condition = NULL; stmt->Condition = NULL;
X = stmt; X = stmt;
} }
@ -1322,28 +1345,27 @@ labeled_statement(X) ::= DEFAULT COLON.
/*----- Assignment Statements -----*/ /*----- Assignment Statements -----*/
%type assign_statement{ZCC_AssignStmt *} %type assign_statement{ZCC_AssignStmt *}
%type assign_op{int}
assign_statement(X) ::= expr_list(A) assign_op(OP) expr_list(B). [EQ] assign_statement(X) ::= expr_list(A) assign_op(OP) expr_list(B). [EQ]
{ {
NEW_AST_NODE(AssignStmt,stmt); NEW_AST_NODE(AssignStmt,stmt,OP);
stmt->AssignOp = OP; stmt->AssignOp = OP.Int;
stmt->Dests = A; stmt->Dests = A;
stmt->Sources = B; stmt->Sources = B;
X = stmt; X = stmt;
} }
assign_op(X) ::= EQ. { X = ZCC_EQ; } assign_op(X) ::= EQ(T). { X.Int = ZCC_EQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= MULEQ. { X = ZCC_MULEQ; } assign_op(X) ::= MULEQ(T). { X.Int = ZCC_MULEQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= DIVEQ. { X = ZCC_DIVEQ; } assign_op(X) ::= DIVEQ(T). { X.Int = ZCC_DIVEQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= MODEQ. { X = ZCC_MODEQ; } assign_op(X) ::= MODEQ(T). { X.Int = ZCC_MODEQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= ADDEQ. { X = ZCC_ADDEQ; } assign_op(X) ::= ADDEQ(T). { X.Int = ZCC_ADDEQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= SUBEQ. { X = ZCC_SUBEQ; } assign_op(X) ::= SUBEQ(T). { X.Int = ZCC_SUBEQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= LSHEQ. { X = ZCC_LSHEQ; } assign_op(X) ::= LSHEQ(T). { X.Int = ZCC_LSHEQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= RSHEQ. { X = ZCC_RSHEQ; } assign_op(X) ::= RSHEQ(T). { X.Int = ZCC_RSHEQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= ANDEQ. { X = ZCC_ANDEQ; } assign_op(X) ::= ANDEQ(T). { X.Int = ZCC_ANDEQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= OREQ. { X = ZCC_OREQ; } assign_op(X) ::= OREQ(T). { X.Int = ZCC_OREQ; X.SourceLoc = T.SourceLoc; }
assign_op(X) ::= XOREQ. { X = ZCC_XOREQ; } assign_op(X) ::= XOREQ(T). { X.Int = ZCC_XOREQ; X.SourceLoc = T.SourceLoc; }
/*----- Local Variable Definition "Statements" -----*/ /*----- Local Variable Definition "Statements" -----*/
@ -1351,7 +1373,7 @@ assign_op(X) ::= XOREQ. { X = ZCC_XOREQ; }
local_var(X) ::= type(A) variable_list(B) var_init(C). local_var(X) ::= type(A) variable_list(B) var_init(C).
{ {
NEW_AST_NODE(LocalVarStmt,vardef); NEW_AST_NODE(LocalVarStmt,vardef,A);
vardef->Type = A; vardef->Type = A;
vardef->Vars = B; vardef->Vars = B;
vardef->Inits = C; vardef->Inits = C;

1
src/zscript/zcc_parser.cpp
View file

@ -186,6 +186,7 @@ static void DoParse(const char *filename)
while (sc.GetToken()) while (sc.GetToken())
{ {
value.SourceLoc = sc.GetMessageLine();
if (sc.TokenType == TK_StringConst) if (sc.TokenType == TK_StringConst)
{ {
value.String = state.Strings.Alloc(sc.String, sc.StringLen); value.String = state.Strings.Alloc(sc.String, sc.StringLen);

17
src/zscript/zcc_parser.h
View file

@ -11,11 +11,15 @@ struct ZCCParseState
struct ZCC_TreeNode *TopNode; struct ZCC_TreeNode *TopNode;
}; };
union ZCCToken struct ZCCToken
{ {
int Int; union
double Float; {
FString *String; int Int;
double Float;
FString *String;
};
int SourceLoc;
ENamedName Name() { return ENamedName(Int); } ENamedName Name() { return ENamedName(Int); }
}; };
@ -195,6 +199,11 @@ struct ZCC_TreeNode
ZCC_TreeNode *SiblingNext; ZCC_TreeNode *SiblingNext;
ZCC_TreeNode *SiblingPrev; ZCC_TreeNode *SiblingPrev;
// can't use FScriptPosition, because the string wouldn't have a chance to
// destruct if we did that.
FString *SourceName;
int SourceLoc;
// Node type is one of the node types above, which corresponds with // Node type is one of the node types above, which corresponds with
// one of the structures below. // one of the structures below.
EZCCTreeNodeType NodeType; EZCCTreeNodeType NodeType;