Changeset 37cdd97 for src/Parser

Timestamp:

Feb 27, 2020, 5:24:09 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

427854b

Parents:

5452673

Message:

Added a ast node for suspend statements

Location:

src/Parser

Files:

• lex.ll (modified) (2 diffs)
• parser.yy (modified) (2 diffs)

src/Parser/lex.ll

@@ -65 +65 @@
 #define FLOATXX(v) KEYWORD_RETURN(v);
 #else
-#define FLOATXX(v) IDENTIFIER_RETURN(); 
+#define FLOATXX(v) IDENTIFIER_RETURN();
 #endif // HAVE_KEYWORDS_FLOATXX
 
@@ -301 +301 @@
 _Static_assert  { KEYWORD_RETURN(STATICASSERT); }               // C11
 struct                  { KEYWORD_RETURN(STRUCT); }
-        /* suspend                      { KEYWORD_RETURN(SUSPEND); }                    // CFA */
+suspend                 { KEYWORD_RETURN(SUSPEND); }                    // CFA
 switch                  { KEYWORD_RETURN(SWITCH); }
 thread                  { KEYWORD_RETURN(THREAD); }                             // C11

src/Parser/parser.yy

@@ -278 +278 @@
 %token OTYPE FTYPE DTYPE TTYPE TRAIT                                    // CFA
 %token SIZEOF OFFSETOF
-// %token SUSPEND RESUME                                                                        // CFA
+// %token RESUME                                                                        // CFA
+%token SUSPEND                                                                  // CFA
 %token ATTRIBUTE EXTENSION                                                              // GCC
 %token IF ELSE SWITCH CASE DEFAULT DO WHILE FOR BREAK CONTINUE GOTO RETURN
@@ -1259 +1260 @@
         | RETURN '{' initializer_list_opt comma_opt '}' ';'
                 { SemanticError( yylloc, "Initializer return is currently unimplemented." ); $$ = nullptr; }
-        // | SUSPEND ';'
-        //      { SemanticError( yylloc, "Suspend expression is currently unimplemented." ); $$ = nullptr; }
-        // | SUSPEND compound_statement ';'
-        //      { SemanticError( yylloc, "Suspend expression is currently unimplemented." ); $$ = nullptr; }
+        | SUSPEND ';'
+                { SemanticError( yylloc, "Suspend expression is currently unimplemented." ); $$ = nullptr; }
+        | SUSPEND compound_statement ';'
+                { SemanticError( yylloc, "Suspend expression is currently unimplemented." ); $$ = nullptr; }
+        | SUSPEND COROUTINE ';'
+                { SemanticError( yylloc, "Suspend expression is currently unimplemented." ); $$ = nullptr; }
+        | SUSPEND COROUTINE compound_statement
+                { SemanticError( yylloc, "Suspend expression is currently unimplemented." ); $$ = nullptr; }
+        | SUSPEND GENERATOR ';'
+                { SemanticError( yylloc, "Suspend expression is currently unimplemented." ); $$ = nullptr; }
+        | SUSPEND GENERATOR compound_statement
+                { SemanticError( yylloc, "Suspend expression is currently unimplemented." ); $$ = nullptr; }
         | THROW assignment_expression_opt ';'                           // handles rethrow
                 { $$ = new StatementNode( build_throw( $2 ) ); }