New SCL syntax <<effects>>

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / internal / parsing / parser / SCL.grammar

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/parsing/parser/SCL.grammar b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/parsing/parser/SCL.grammar
index b7bb1924c680efc17326fc39fedd3b6d04bb17bd..3b3d5f7db3375beb39967744ddd3a43de7a02a92 100644 (file)
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/parsing/parser/SCL.grammar
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/parsing/parser/SCL.grammar
@@ -133,7 +133,7 @@ lexp
     = faexp+                                                 # Apply, shift ID, shift LAMBDA, shift LAMBDA_MATCH,
                                                                shift LET, shift INTEGER, shift BEGIN_STRING,
                                                                shift IF, shift MATCH, shift DO,
-                                                               shift MDO, shift ENFORCE, shift BLANK,
+                                                               shift MDO, shift EDO, shift ENFORCE, shift BLANK,
                                                                shift FLOAT, shift LPAREN, shift LBRACKET,
                                                                shift ESCAPED_SYMBOL, shift CHAR, shift LBRACE,
                                                                shift WHEN, shift ATTACHED_HASH,
@@ -158,7 +158,7 @@ aexp
     | IF exp THEN exp (ELSE exp)?                            # If, shift HASTYPE, shift ELSE
     | MATCH exp WITH
       LBRACE case (SEMICOLON case)* RBRACE                   # Match
-    | (DO | MDO) statements                                  # Do
+    | (DO | MDO | EDO) statements                            # Do
     | (SELECT | SELECT_FIRST | SELECT_DISTINCT) 
       exp WHERE queryBlock                                   # Select
     | CHR_SELECT 
@@ -244,6 +244,7 @@ guardedExpArrow
 field
     = ID EQUALS exp                                          # Field
     | ID                                                     # FieldShorthand
+    | DOTDOT                                                 # Wildcard
     ;
 
 /******************************************************************************
@@ -299,6 +300,7 @@ btype
 
 atype
     = ID                                                     # TypeVar
+    | DOUBLE_LESS ID (COMMA ID)* DOUBLE_GREATER              # PlainEffect
     | LPAREN (type (COMMA type)*)? RPAREN                    # TupleType
     | LBRACKET type RBRACKET                                 # ListType
     | LBRACKET RBRACKET                                      # ListTypeConstructor
@@ -320,6 +322,8 @@ symbol
     | MINUS                                                  # Minus
     | LESS                                                   # Less
     | GREATER                                                # Greater
+    | DOUBLE_LESS                                            # DoubleLess
+    | DOUBLE_GREATER                                         # DoubleGreater
     | SEPARATED_DOT                                          # Dot
     ;