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authorKyle Gunger <corechg@gmail.com>2020-06-28 16:48:22 -0400
committerKyle Gunger <corechg@gmail.com>2020-06-28 16:48:22 -0400
commit0ec2df58538bd986af0765fa36b0dc1ba9c15aa5 (patch)
treed1a3b84a497a782489094cb894b0df951209d49a /src/tparse
parent8f9cf0d4856bb53009bb58b53a42e21e2cd1e947 (diff)
[Bugfix] Literals and Comments
+ Fix literal value parsing + Remove comments from the tokenized result
Diffstat (limited to 'src/tparse')
-rw-r--r--src/tparse/parse.go77
-rw-r--r--src/tparse/type.go6
2 files changed, 75 insertions, 8 deletions
diff --git a/src/tparse/parse.go b/src/tparse/parse.go
index e9e1ee6..4f25fe3 100644
--- a/src/tparse/parse.go
+++ b/src/tparse/parse.go
@@ -40,6 +40,8 @@ func stringLiteral(r *bufio.Reader) Token {
}
b := strings.Builder{}
+ b.WriteRune(run)
+ run, _, err = r.ReadRune()
for ; err == nil; run, _, err = r.ReadRune() {
b.WriteRune(run)
@@ -64,6 +66,8 @@ func charLiteral(r *bufio.Reader) Token {
}
b := strings.Builder{}
+ b.WriteRune(run)
+ run, _, err = r.ReadRune()
for ; err == nil; run, _, err = r.ReadRune() {
b.WriteRune(run)
@@ -107,6 +111,31 @@ func splitResRunes(str string, max int) []Token {
return out
}
+// Remove block comments
+func stripBlockComments(t []Token) []Token {
+ out := []Token{}
+ bc := false
+ for _, tok := range t {
+ if tok.Type == DELIMIT && tok.Data == "/#" {
+ bc = true
+ continue
+ }
+
+ if tok.Type == DELIMIT && tok.Data == "#/" {
+ bc = false
+ continue
+ }
+
+ if bc {
+ continue
+ }
+
+ out = append(out, tok)
+ }
+
+ return out
+}
+
// ParseFile tries to read a file and turn it into a series of tokens
func ParseFile(path string) []Token {
out := []Token{}
@@ -123,7 +152,7 @@ func ParseFile(path string) []Token {
max := maxResRunes()
- for r := ' '; ; r, _, err = read.ReadRune() {
+ for r := rune(' '); ; r, _, err = read.ReadRune() {
// If error in stream or EOF, break
if err != nil {
if err != io.EOF {
@@ -141,6 +170,37 @@ func ParseFile(path string) []Token {
continue
}
+ if unicode.IsNumber(r) && b.String() == "" {
+ read.UnreadRune()
+ out = append(out, numericLiteral(read))
+
+ continue
+ }
+
+ if r == '\'' {
+ if b.String() != "" {
+ out = append(out, Token{Type: checkToken(b.String()), Data: b.String()})
+ b.Reset()
+ }
+
+ read.UnreadRune()
+ out = append(out, charLiteral(read))
+
+ continue
+ }
+
+ if r == '"' {
+ if b.String() != "" {
+ out = append(out, Token{Type: checkToken(b.String()), Data: b.String()})
+ b.Reset()
+ }
+
+ read.UnreadRune()
+ out = append(out, stringLiteral(read))
+
+ continue
+ }
+
// Checking for a rune group
if checkResRune(r) != -1 {
if b.String() != "" {
@@ -157,7 +217,18 @@ func ParseFile(path string) []Token {
read.UnreadRune()
- out = append(out, splitResRunes(b.String(), max)...)
+ rgs := splitResRunes(b.String(), max)
+
+ // Line Comments
+ for i, rg := range rgs {
+ if rg.Data == "#" {
+ rgs = rgs[:i]
+ read.ReadString('\n')
+ break
+ }
+ }
+
+ out = append(out, rgs...)
b.Reset()
@@ -168,7 +239,7 @@ func ParseFile(path string) []Token {
b.WriteRune(r)
}
- return out
+ return stripBlockComments(out)
}
// StringAsRunes returns a string as a rune slice
diff --git a/src/tparse/type.go b/src/tparse/type.go
index ee8b5e7..867f14c 100644
--- a/src/tparse/type.go
+++ b/src/tparse/type.go
@@ -87,16 +87,12 @@ var RESRUNE = map[rune]int{
'{': DELIMIT,
// Array mark close
'}': DELIMIT,
- // String literal
- '\'': DELIMIT,
- // String
- '"': DELIMIT,
// Start of pre-proc directive
':': LINESEP,
// Start of line
';': LINESEP,
- // Start of comment
+ // Comment line
'#': LINESEP,
// Seperate arguments