diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ChangeLog | 13 | ||||
| -rw-r--r-- | src/interp/cparse.boot | 28 |
2 files changed, 29 insertions, 12 deletions
diff --git a/src/ChangeLog b/src/ChangeLog index d571e3e4..c2b9767b 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,5 +1,18 @@ 2008-08-05 Gabriel Dos Reis <gdr@cs.tamu.edu> + * interp/cparse.boot (npWith): Commit to parsing upon `with'. + (npAdd): Commit to parsing upon `add'. + (npDef): Tell npDefTail to look for '=='. + (npMdef): Accept argument to indicate '==' or '==>' forms. + (npSingleRule): A Rule is given by '=='. + (npDefTail): Take the kind of definition as a parameter. + (npDefinitionItem): Macro definitions are definitions. + (npMDEFinition): Remove. + (npMDEF): Hand off to npMdef to parse macro definitions. + (npMacro): Macros introduced by `macro' keyword uses '=='. + +2008-08-05 Gabriel Dos Reis <gdr@cs.tamu.edu> + * interp/cparse.boot (npExpress1): Make assignment an expression, therefore a statement. diff --git a/src/interp/cparse.boot b/src/interp/cparse.boot index 6d39b924..4a5291f7 100644 --- a/src/interp/cparse.boot +++ b/src/interp/cparse.boot @@ -599,9 +599,9 @@ npBackTrack(p1,p2,p3)== true false -npMDEF()== npBackTrack(function npStatement,"MDEF",function npMDEFinition) - -npMDEFinition() == npPP function npMdef +npMDEF() == + npBackTrack(function npStatement,"MDEF", + function LAMBDA(nil, npMdef "MDEF")) npAssign()== npBackTrack(function npMDEF,"BECOMES",function npAssignment) @@ -707,12 +707,13 @@ npDefn()== npEqKey "DEFN" and npPP function npDef npFix()== npEqKey "FIX" and npPP function npDef and npPush pfFix npPop1 () -npMacro()== npEqKey "MACRO" and npPP function npMdef +npMacro() == + npEqKey "MACRO" and npPP function LAMBDA(nil, npMdef "DEF") npRule()== npEqKey "RULE" and npPP function npSingleRule npAdd(extra)== - npEqKey "ADD" and + npEqKey "ADD" => a:=npState() npDefinitionOrStatement() or npTrap() npEqPeek "IN" => @@ -729,7 +730,7 @@ npDefaultValue()== and npPush [pfAdd(pfNothing(),npPop1(),pfNothing())] npWith(extra)== - npEqKey "WITH" and + npEqKey "WITH" => a:=npState() npCategoryL() or npTrap() npEqPeek "IN" => @@ -889,19 +890,19 @@ npLambda()== npDef()== npMatch() => [op,arg,rt]:= pfCheckItOut(npPop1()) - npDefTail() or npTrap() + npDefTail "DEF" or npTrap() body:=npPop1() null arg => npPush pfDefinition (op,body) npPush pfDefinition (op,pfPushBody(rt,arg,body)) false ---npDefTail()== npEqKey "DEF" and npDefinitionOrStatement() -npDefTail()== (npEqKey "DEF" or npEqKey "MDEF") and npDefinitionOrStatement() +npDefTail kw == + npEqKey kw and npDefinitionOrStatement() -npMdef()== +npMdef kw == npQuiver() => [op,arg]:= pfCheckMacroOut(npPop1()) - npDefTail() or npTrap() + npDefTail kw or npTrap() body:=npPop1() null arg => npPush pfMacro (op,body) npPush pfMacro (op,pfPushMacroBody(arg,body)) @@ -910,7 +911,7 @@ npMdef()== npSingleRule()== npQuiver() => - npDefTail() or npTrap() + npDefTail "DEF" or npTrap() npPush pfRule (npPop2(),npPop1()) false @@ -922,6 +923,9 @@ npDefinitionItem()== npEqPeek "DEF" => npRestore a npDef() + npEqPeek "MDEF" => + npRestore a + npMdef "MDEF" npRestore a npMacro() or npDefn() npTrap() |