X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Finternal%2Fparsing%2Fparser%2FSCL.grammar;h=6bcffa14789b96542b16cccf2a5bbf8d7163f0c7;hb=649890ad306df48440a97893d7d53fb8a6386a4e;hp=500cf3b20d5a148ed92ad0775ce0d0f487c54c7f;hpb=7a7c389f2ffddb4e4170098e4f5facca1fa8b633;p=simantics%2Fplatform.git

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 500cf3b20..6bcffa147 100644
--- 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
@@ -129,7 +129,7 @@ bexp
     ;
 
 lexp 
-    = faexp+                                                 # Apply, shift ID, shift LAMBDA,
+    = 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,
@@ -152,15 +152,16 @@ accessor
 
 aexp 
     = LAMBDA aexp+ ARROW exp                                 # Lambda, shift HASTYPE
+    | LAMBDA_MATCH LBRACE case (SEMICOLON case)* RBRACE      # LambdaMatch, shift HASTYPE
     | LET statements IN exp                                  # Let, shift HASTYPE
-    | IF exp THEN exp ELSE exp                               # If, shift HASTYPE
+    | IF exp THEN exp (ELSE exp)?                            # If, shift HASTYPE, shift ELSE
     | MATCH exp WITH
       LBRACE case (SEMICOLON case)* RBRACE                   # Match
     | (DO | MDO) statements                                  # Do
     | (SELECT | SELECT_FIRST | SELECT_DISTINCT) 
       exp WHERE queryBlock                                   # Select
     | ENFORCE queryBlock                                     # Enforce
-    | WHEN queryBlock SEMICOLON exp                          # When
+    //| WHEN queryBlock SEMICOLON exp                          # When
     | var                                                    # Var
     | ATTACHED_HASH ID                                       # HashedId
     | BLANK                                                  # Blank
@@ -169,6 +170,7 @@ aexp
     | stringLiteral                                          # String
     | CHAR                                                   # Char
     | LPAREN (exp (COMMA exp)*)? RPAREN                      # Tuple
+    | LPAREN exp ARROW exp RPAREN                            # ViewPattern    
     | LPAREN symbolWithoutMinus lexp RPAREN                  # RightSection
     | LPAREN lexp symbol RPAREN                              # LeftSection
     | LBRACKET (exp (COMMA exp)*)? RBRACKET                  # ListLiteral
@@ -195,6 +197,17 @@ statement
     | exp rhs                                                # LetStatement
     | exp BINDS exp                                          # BindStatement
     | exp FOLLOWS queryBlock                                 # RuleStatement
+    | chrQuery IMPLIES chrQuery                              # CHRStatement
+    | WHEN verboseChrQuery THEN_AFTER_WHEN verboseChrQuery   # VerboseCHRStatement
+    | CONSTRAINT ID atype*                                   # ConstraintStatement
+    ;
+
+chrQuery 
+    = listQualifier (COMMA listQualifier)*                   # CHRQuery
+    ;
+
+verboseChrQuery
+    = LBRACE listQualifier (SEMICOLON listQualifier)* RBRACE # VerboseCHRQuery
     ;
 
 listQualifier
@@ -310,4 +323,5 @@ symbolWithoutMinus
 /******************************************************************************
  * Auxiliary tokens
  */
-dummy = COMMENT EOL ;
\ No newline at end of file
+dummy = COMMENT EOL                                          # Dummy 
+      ;
\ No newline at end of file