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Use LHS/RHS matching for some simple SAFE_APPENDs

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This commit is contained in:
Randy Heit 2016-03-20 15:53:04 -05:00
parent 071a5718cc
commit f38dbc5055
1 changed files with 7 additions and 8 deletions
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15
src/zscript/zcc-parse.lemon
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@ -128,7 +128,7 @@ main ::= translation_unit(A). { stat->TopNode = A; stat->sc.ScriptMessage("Parse
%type translation_unit {ZCC_TreeNode *} %type translation_unit {ZCC_TreeNode *}
translation_unit(X) ::= . { X = NULL; } translation_unit(X) ::= . { X = NULL; }
translation_unit(X) ::= translation_unit(A) external_declaration(B). { SAFE_APPEND(A,B); X = A; /*X-overwrites-A*/ } translation_unit(X) ::= translation_unit(X) external_declaration(B). { SAFE_APPEND(X,B); }
translation_unit(X) ::= translation_unit(X) EOF. translation_unit(X) ::= translation_unit(X) EOF.
translation_unit(X) ::= error. { X = NULL; } translation_unit(X) ::= error. { X = NULL; }
@ -221,7 +221,7 @@ class_body(X) ::= SEMICOLON class_innards(A) EOF. { X = A; /*X-overwrites-A*/ }
class_body(X) ::= LBRACE class_innards(A) RBRACE. { X = A; /*X-overwrites-A*/ } class_body(X) ::= LBRACE class_innards(A) RBRACE. { X = A; /*X-overwrites-A*/ }
class_innards(X) ::= . { X = NULL; } class_innards(X) ::= . { X = NULL; }
class_innards(X) ::= class_innards(A) class_member(B). { SAFE_APPEND(A,B); X = A; /*X-overwrites-A*/ } class_innards(X) ::= class_innards(X) class_member(B). { SAFE_APPEND(X,B); }
%type struct_def{ZCC_Struct *} %type struct_def{ZCC_Struct *}
%type enum_def {ZCC_Enum *} %type enum_def {ZCC_Enum *}
@ -402,9 +402,9 @@ scanner_mode ::= . { stat->sc.SetStateMode(true); }
states_body(X) ::= . { X = NULL; } states_body(X) ::= . { X = NULL; }
states_body(X) ::= error. { X = NULL; } states_body(X) ::= error. { X = NULL; }
states_body(X) ::= states_body(A) state_line(B). { SAFE_APPEND(A,B); X = A; /*X-overwrites-A*/ } states_body(X) ::= states_body(X) state_line(B). { SAFE_APPEND(X,B); }
states_body(X) ::= states_body(A) state_label(B). { SAFE_APPEND(A,B); X = A; /*X-overwrites-A*/ } states_body(X) ::= states_body(X) state_label(B). { SAFE_APPEND(X,B); }
states_body(X) ::= states_body(A) state_flow(B). { SAFE_APPEND(A,B); X = A; /*X-overwrites-A*/ } states_body(X) ::= states_body(X) state_flow(B). { SAFE_APPEND(X,B); }
state_label(X) ::= NWS(A) COLON. state_label(X) ::= NWS(A) COLON.
{ {
@ -1289,10 +1289,9 @@ statement_list(X) ::= statement(A).
{ {
X = A; /*X-overwrites-A*/ X = A; /*X-overwrites-A*/
} }
statement_list(X) ::= statement_list(A) statement(B). statement_list(X) ::= statement_list(X) statement(B).
{ {
SAFE_APPEND(A,B); SAFE_APPEND(X,B);
X = A; /*X-overwrites-A*/
} }
/*----- Expression Statements -----*/ /*----- Expression Statements -----*/