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-rw-r--r--src/ChangeLog4
-rw-r--r--src/boot/parser.boot49
-rw-r--r--src/boot/strap/parser.clisp80
-rw-r--r--src/boot/strap/translator.clisp3
-rw-r--r--src/boot/translator.boot1
5 files changed, 67 insertions, 70 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index 742c67d0..14d64d63 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,9 @@
2012-05-30 Gabriel Dos Reis <gdr@cs.tamu.edu>
+ * boot/parser.boot: Replace references to $ttok.
+
+2012-05-30 Gabriel Dos Reis <gdr@cs.tamu.edu>
+
* boot/parser.boot (%ParserState): Add field for current token.
Replace references to $stok.
diff --git a/src/boot/parser.boot b/src/boot/parser.boot
index d6b72f83..a6c349c1 100644
--- a/src/boot/parser.boot
+++ b/src/boot/parser.boot
@@ -95,22 +95,20 @@ bpFirstToken ps ==
parserCurrentToken(ps) :=
parserTokens ps = nil => mk%Token("ERROR","NOMORE",parserTokenPosition ps)
first parserTokens ps
- $ttok := parserTokenValue ps
true
bpFirstTok ps ==
parserCurrentToken(ps) :=
parserTokens ps = nil => mk%Token("ERROR","NOMORE",parserTokenPosition ps)
first parserTokens ps
- $ttok := parserTokenValue ps
parserNesting ps > 0 and parserTokenClass ps = "KEY" =>
- $ttok is "SETTAB" =>
+ parserTokenValue ps is "SETTAB" =>
parserScope(ps) := parserScope ps + 1
bpNext ps
- $ttok is "BACKTAB" =>
+ parserTokenValue ps is "BACKTAB" =>
parserScope(ps) := parserScope ps - 1
bpNext ps
- $ttok is "BACKSET" =>
+ parserTokenValue ps is "BACKSET" =>
bpNext ps
true
true
@@ -142,7 +140,7 @@ bpPush(ps,x) ==
parserTrees(ps) := [x,:parserTrees ps]
bpPushId ps ==
- parserTrees(ps) := [bfReName $ttok,:parserTrees ps]
+ parserTrees(ps) := [bfReName parserTokenValue ps,:parserTrees ps]
bpPop1 ps ==
a := first parserTrees ps
@@ -293,13 +291,13 @@ bpBacksetElse ps ==
bpEqKey(ps,"ELSE")
bpEqPeek(ps,s) ==
- parserTokenClass ps = "KEY" and symbolEq?(s,$ttok)
+ parserTokenClass ps = "KEY" and symbolEq?(s,parserTokenValue ps)
bpEqKey(ps,s) ==
- parserTokenClass ps = "KEY" and symbolEq?(s,$ttok) and bpNext ps
+ parserTokenClass ps = "KEY" and symbolEq?(s,parserTokenValue ps) and bpNext ps
bpEqKeyNextTok(ps,s) ==
- parserTokenClass ps = "KEY" and symbolEq?(s,$ttok) and bpNextToken ps
+ parserTokenClass ps = "KEY" and symbolEq?(s,parserTokenValue ps) and bpNextToken ps
bpPileTrap ps == bpMissing(ps,"BACKTAB")
bpBrackTrap(ps,x) == bpMissingMate(ps,"]",x)
@@ -444,11 +442,14 @@ bpName ps ==
++ STRING
bpConstTok ps ==
parserTokenClass ps in '(INTEGER FLOAT) =>
- bpPush(ps,$ttok)
+ bpPush(ps,parserTokenValue ps)
bpNext ps
- parserTokenClass ps = "LISP" => bpPush(ps,%Lisp $ttok) and bpNext ps
- parserTokenClass ps = "LISPEXP" => bpPush(ps,$ttok) and bpNext ps
- parserTokenClass ps = "LINE" => bpPush(ps,["+LINE", $ttok]) and bpNext ps
+ parserTokenClass ps = "LISP" =>
+ bpPush(ps,%Lisp parserTokenValue ps) and bpNext ps
+ parserTokenClass ps = "LISPEXP" =>
+ bpPush(ps,parserTokenValue ps) and bpNext ps
+ parserTokenClass ps = "LINE" =>
+ bpPush(ps,["+LINE",parserTokenValue ps]) and bpNext ps
bpEqPeek(ps,"QUOTE") =>
bpNext ps
bpRequire(ps,function bpSexp) and
@@ -456,7 +457,7 @@ bpConstTok ps ==
bpString ps or bpFunction ps
bpChar ps ==
- parserTokenClass ps = "ID" and $ttok is "char" =>
+ parserTokenClass ps = "ID" and parserTokenValue ps is "char" =>
a := bpState ps
bpApplication ps =>
s := bpPop1 ps
@@ -618,17 +619,17 @@ bpExceptions ps ==
bpSexpKey ps ==
parserTokenClass ps = "KEY" and not bpExceptions ps =>
- a := $ttok has SHOEINF
- a = nil => bpPush(ps,keywordId $ttok) and bpNext ps
+ a := parserTokenValue ps has SHOEINF
+ a = nil => bpPush(ps,keywordId parserTokenValue ps) and bpNext ps
bpPush(ps,a) and bpNext ps
false
bpAnyId ps ==
bpEqKey(ps,"MINUS") and (parserTokenClass ps = "INTEGER" or bpTrap ps) and
- bpPush(ps,-$ttok) and bpNext ps
+ bpPush(ps,-parserTokenValue ps) and bpNext ps
or bpSexpKey ps
or parserTokenClass ps in '(ID INTEGER STRING FLOAT) and
- bpPush(ps,$ttok) and bpNext ps
+ bpPush(ps,parserTokenValue ps) and bpNext ps
bpSexp ps ==
bpAnyId ps or
@@ -667,11 +668,11 @@ bpDot ps ==
bpPrefixOperator ps ==
parserTokenClass ps = "KEY" and
- $ttok has SHOEPRE and bpPushId ps and bpNext ps
+ parserTokenValue ps has SHOEPRE and bpPushId ps and bpNext ps
bpInfixOperator ps ==
parserTokenClass ps = "KEY" and
- $ttok has SHOEINF and bpPushId ps and bpNext ps
+ parserTokenValue ps has SHOEINF and bpPushId ps and bpNext ps
bpSelector ps ==
bpEqKey(ps,"DOT") and (bpPrimary ps
@@ -713,7 +714,7 @@ bpExpt ps == bpRightAssoc(ps,'(POWER),function bpTyped)
bpInfKey(ps,s) ==
parserTokenClass ps = "KEY" and
- symbolMember?($ttok,s) and bpPushId ps and bpNext ps
+ symbolMember?(parserTokenValue ps,s) and bpPushId ps and bpNext ps
bpInfGeneric(ps,s) ==
bpInfKey(ps,s) and (bpEqKey(ps,"BACKSET") or true)
@@ -737,14 +738,14 @@ bpLeftAssoc(ps,operations,parser)==
bpString ps ==
parserTokenClass ps = "STRING" and
- bpPush(ps,quote makeSymbol $ttok) and bpNext ps
+ bpPush(ps,quote makeSymbol parserTokenValue ps) and bpNext ps
bpFunction ps ==
bpEqKey(ps,"FUNCTION") and bpRequire(ps,function bpPrimary1)
and bpPush(ps,bfFunction bpPop1 ps)
bpThetaName ps ==
- parserTokenClass ps = "ID" and $ttok has SHOETHETA =>
+ parserTokenClass ps = "ID" and parserTokenValue ps has SHOETHETA =>
bpPushId ps
bpNext ps
false
@@ -1182,7 +1183,7 @@ bpRegularBVItem ps ==
bpBVString ps ==
parserTokenClass ps = "STRING" and
- bpPush(ps,["BVQUOTE",makeSymbol $ttok]) and bpNext ps
+ bpPush(ps,["BVQUOTE",makeSymbol parserTokenValue ps]) and bpNext ps
bpRegularBVItemL ps ==
bpRegularBVItem ps and bpPush(ps,[bpPop1 ps])
diff --git a/src/boot/strap/parser.clisp b/src/boot/strap/parser.clisp
index c8fd9105..cf7acb25 100644
--- a/src/boot/strap/parser.clisp
+++ b/src/boot/strap/parser.clisp
@@ -66,33 +66,29 @@
(DEFUN |makeTranslator| (|ip|) (|mk%Translator| |ip| NIL NIL NIL NIL))
(DEFUN |bpFirstToken| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
(PROGN
(SETF (|parserCurrentToken| |ps|)
(COND
((NULL (|parserTokens| |ps|))
(|mk%Token| 'ERROR 'NOMORE (|parserTokenPosition| |ps|)))
(T (CAR (|parserTokens| |ps|)))))
- (SETQ |$ttok| (|parserTokenValue| |ps|))
T))
(DEFUN |bpFirstTok| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
(PROGN
(SETF (|parserCurrentToken| |ps|)
(COND
((NULL (|parserTokens| |ps|))
(|mk%Token| 'ERROR 'NOMORE (|parserTokenPosition| |ps|)))
(T (CAR (|parserTokens| |ps|)))))
- (SETQ |$ttok| (|parserTokenValue| |ps|))
(COND
((AND (PLUSP (|parserNesting| |ps|)) (EQ (|parserTokenClass| |ps|) 'KEY))
(COND
- ((EQ |$ttok| 'SETTAB)
+ ((EQ (|parserTokenValue| |ps|) 'SETTAB)
(SETF (|parserScope| |ps|) (+ (|parserScope| |ps|) 1)) (|bpNext| |ps|))
- ((EQ |$ttok| 'BACKTAB)
+ ((EQ (|parserTokenValue| |ps|) 'BACKTAB)
(SETF (|parserScope| |ps|) (- (|parserScope| |ps|) 1)) (|bpNext| |ps|))
- ((EQ |$ttok| 'BACKSET) (|bpNext| |ps|)) (T T)))
+ ((EQ (|parserTokenValue| |ps|) 'BACKSET) (|bpNext| |ps|)) (T T)))
(T T))))
(DEFUN |bpNext| (|ps|)
@@ -124,8 +120,8 @@
(SETF (|parserTrees| |ps|) (CONS |x| (|parserTrees| |ps|))))
(DEFUN |bpPushId| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
- (SETF (|parserTrees| |ps|) (CONS (|bfReName| |$ttok|) (|parserTrees| |ps|))))
+ (SETF (|parserTrees| |ps|)
+ (CONS (|bfReName| (|parserTokenValue| |ps|)) (|parserTrees| |ps|))))
(DEFUN |bpPop1| (|ps|)
(LET* (|a|)
@@ -331,16 +327,14 @@
(T (|bpEqKey| |ps| 'ELSE))))
(DEFUN |bpEqPeek| (|ps| |s|)
- (DECLARE (SPECIAL |$ttok|))
- (AND (EQ (|parserTokenClass| |ps|) 'KEY) (EQ |s| |$ttok|)))
+ (AND (EQ (|parserTokenClass| |ps|) 'KEY) (EQ |s| (|parserTokenValue| |ps|))))
(DEFUN |bpEqKey| (|ps| |s|)
- (DECLARE (SPECIAL |$ttok|))
- (AND (EQ (|parserTokenClass| |ps|) 'KEY) (EQ |s| |$ttok|) (|bpNext| |ps|)))
+ (AND (EQ (|parserTokenClass| |ps|) 'KEY) (EQ |s| (|parserTokenValue| |ps|))
+ (|bpNext| |ps|)))
(DEFUN |bpEqKeyNextTok| (|ps| |s|)
- (DECLARE (SPECIAL |$ttok|))
- (AND (EQ (|parserTokenClass| |ps|) 'KEY) (EQ |s| |$ttok|)
+ (AND (EQ (|parserTokenClass| |ps|) 'KEY) (EQ |s| (|parserTokenValue| |ps|))
(|bpNextToken| |ps|)))
(DEFUN |bpPileTrap| (|ps|) (|bpMissing| |ps| 'BACKTAB))
@@ -476,16 +470,16 @@
(T NIL)))
(DEFUN |bpConstTok| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
(COND
((|symbolMember?| (|parserTokenClass| |ps|) '(INTEGER FLOAT))
- (|bpPush| |ps| |$ttok|) (|bpNext| |ps|))
+ (|bpPush| |ps| (|parserTokenValue| |ps|)) (|bpNext| |ps|))
((EQ (|parserTokenClass| |ps|) 'LISP)
- (AND (|bpPush| |ps| (|%Lisp| |$ttok|)) (|bpNext| |ps|)))
+ (AND (|bpPush| |ps| (|%Lisp| (|parserTokenValue| |ps|))) (|bpNext| |ps|)))
((EQ (|parserTokenClass| |ps|) 'LISPEXP)
- (AND (|bpPush| |ps| |$ttok|) (|bpNext| |ps|)))
+ (AND (|bpPush| |ps| (|parserTokenValue| |ps|)) (|bpNext| |ps|)))
((EQ (|parserTokenClass| |ps|) 'LINE)
- (AND (|bpPush| |ps| (LIST '+LINE |$ttok|)) (|bpNext| |ps|)))
+ (AND (|bpPush| |ps| (LIST '+LINE (|parserTokenValue| |ps|)))
+ (|bpNext| |ps|)))
((|bpEqPeek| |ps| 'QUOTE) (|bpNext| |ps|)
(AND (|bpRequire| |ps| #'|bpSexp|)
(|bpPush| |ps| (|bfSymbol| (|bpPop1| |ps|)))))
@@ -493,9 +487,9 @@
(DEFUN |bpChar| (|ps|)
(LET* (|ISTMP#1| |s| |a|)
- (DECLARE (SPECIAL |$ttok|))
(COND
- ((AND (EQ (|parserTokenClass| |ps|) 'ID) (EQ |$ttok| '|char|))
+ ((AND (EQ (|parserTokenClass| |ps|) 'ID)
+ (EQ (|parserTokenValue| |ps|) '|char|))
(SETQ |a| (|bpState| |ps|))
(COND
((|bpApplication| |ps|) (SETQ |s| (|bpPop1| |ps|))
@@ -632,24 +626,24 @@
(DEFUN |bpSexpKey| (|ps|)
(LET* (|a|)
- (DECLARE (SPECIAL |$ttok|))
(COND
((AND (EQ (|parserTokenClass| |ps|) 'KEY) (NOT (|bpExceptions| |ps|)))
- (SETQ |a| (GET |$ttok| 'SHOEINF))
+ (SETQ |a| (GET (|parserTokenValue| |ps|) 'SHOEINF))
(COND
- ((NULL |a|) (AND (|bpPush| |ps| (|keywordId| |$ttok|)) (|bpNext| |ps|)))
+ ((NULL |a|)
+ (AND (|bpPush| |ps| (|keywordId| (|parserTokenValue| |ps|)))
+ (|bpNext| |ps|)))
(T (AND (|bpPush| |ps| |a|) (|bpNext| |ps|)))))
(T NIL))))
(DEFUN |bpAnyId| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
(OR
(AND (|bpEqKey| |ps| 'MINUS)
(OR (EQ (|parserTokenClass| |ps|) 'INTEGER) (|bpTrap| |ps|))
- (|bpPush| |ps| (- |$ttok|)) (|bpNext| |ps|))
+ (|bpPush| |ps| (- (|parserTokenValue| |ps|))) (|bpNext| |ps|))
(|bpSexpKey| |ps|)
(AND (|symbolMember?| (|parserTokenClass| |ps|) '(ID INTEGER STRING FLOAT))
- (|bpPush| |ps| |$ttok|) (|bpNext| |ps|))))
+ (|bpPush| |ps| (|parserTokenValue| |ps|)) (|bpNext| |ps|))))
(DEFUN |bpSexp| (|ps|)
(OR (|bpAnyId| |ps|)
@@ -685,14 +679,14 @@
(DEFUN |bpDot| (|ps|) (AND (|bpEqKey| |ps| 'DOT) (|bpPush| |ps| (|bfDot|))))
(DEFUN |bpPrefixOperator| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
- (AND (EQ (|parserTokenClass| |ps|) 'KEY) (GET |$ttok| 'SHOEPRE)
- (|bpPushId| |ps|) (|bpNext| |ps|)))
+ (AND (EQ (|parserTokenClass| |ps|) 'KEY)
+ (GET (|parserTokenValue| |ps|) 'SHOEPRE) (|bpPushId| |ps|)
+ (|bpNext| |ps|)))
(DEFUN |bpInfixOperator| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
- (AND (EQ (|parserTokenClass| |ps|) 'KEY) (GET |$ttok| 'SHOEINF)
- (|bpPushId| |ps|) (|bpNext| |ps|)))
+ (AND (EQ (|parserTokenClass| |ps|) 'KEY)
+ (GET (|parserTokenValue| |ps|) 'SHOEINF) (|bpPushId| |ps|)
+ (|bpNext| |ps|)))
(DEFUN |bpSelector| (|ps|)
(AND (|bpEqKey| |ps| 'DOT)
@@ -733,9 +727,9 @@
(DEFUN |bpExpt| (|ps|) (|bpRightAssoc| |ps| '(POWER) #'|bpTyped|))
(DEFUN |bpInfKey| (|ps| |s|)
- (DECLARE (SPECIAL |$ttok|))
- (AND (EQ (|parserTokenClass| |ps|) 'KEY) (|symbolMember?| |$ttok| |s|)
- (|bpPushId| |ps|) (|bpNext| |ps|)))
+ (AND (EQ (|parserTokenClass| |ps|) 'KEY)
+ (|symbolMember?| (|parserTokenValue| |ps|) |s|) (|bpPushId| |ps|)
+ (|bpNext| |ps|)))
(DEFUN |bpInfGeneric| (|ps| |s|)
(AND (|bpInfKey| |ps| |s|) (OR (|bpEqKey| |ps| 'BACKSET) T)))
@@ -775,18 +769,18 @@
(T NIL)))
(DEFUN |bpString| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
(AND (EQ (|parserTokenClass| |ps|) 'STRING)
- (|bpPush| |ps| (|quote| (INTERN |$ttok|))) (|bpNext| |ps|)))
+ (|bpPush| |ps| (|quote| (INTERN (|parserTokenValue| |ps|))))
+ (|bpNext| |ps|)))
(DEFUN |bpFunction| (|ps|)
(AND (|bpEqKey| |ps| 'FUNCTION) (|bpRequire| |ps| #'|bpPrimary1|)
(|bpPush| |ps| (|bfFunction| (|bpPop1| |ps|)))))
(DEFUN |bpThetaName| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
(COND
- ((AND (EQ (|parserTokenClass| |ps|) 'ID) (GET |$ttok| 'SHOETHETA))
+ ((AND (EQ (|parserTokenClass| |ps|) 'ID)
+ (GET (|parserTokenValue| |ps|) 'SHOETHETA))
(|bpPushId| |ps|) (|bpNext| |ps|))
(T NIL)))
@@ -1226,9 +1220,9 @@
(|bpBracketConstruct| |ps| #'|bpPatternL|)))
(DEFUN |bpBVString| (|ps|)
- (DECLARE (SPECIAL |$ttok|))
(AND (EQ (|parserTokenClass| |ps|) 'STRING)
- (|bpPush| |ps| (LIST 'BVQUOTE (INTERN |$ttok|))) (|bpNext| |ps|)))
+ (|bpPush| |ps| (LIST 'BVQUOTE (INTERN (|parserTokenValue| |ps|))))
+ (|bpNext| |ps|)))
(DEFUN |bpRegularBVItemL| (|ps|)
(AND (|bpRegularBVItem| |ps|) (|bpPush| |ps| (LIST (|bpPop1| |ps|)))))
diff --git a/src/boot/strap/translator.clisp b/src/boot/strap/translator.clisp
index 99469d72..6dd616b2 100644
--- a/src/boot/strap/translator.clisp
+++ b/src/boot/strap/translator.clisp
@@ -433,10 +433,9 @@
(DEFUN |shoeOutParse| (|toks|)
(LET* (|found| |ps|)
- (DECLARE (SPECIAL |$returns| |$typings| |$wheredefs| |$op| |$ttok|))
+ (DECLARE (SPECIAL |$returns| |$typings| |$wheredefs| |$op|))
(PROGN
(SETQ |ps| (|makeParserState| |toks|))
- (SETQ |$ttok| NIL)
(SETQ |$op| NIL)
(SETQ |$wheredefs| NIL)
(SETQ |$typings| NIL)
diff --git a/src/boot/translator.boot b/src/boot/translator.boot
index 35eb7761..e0de5ef5 100644
--- a/src/boot/translator.boot
+++ b/src/boot/translator.boot
@@ -356,7 +356,6 @@ shoeAddComment l==
shoeOutParse toks ==
ps := makeParserState toks
- $ttok := nil
$op :=nil
$wheredefs := []
$typings := []