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Issue #17 and concurrent compiling.

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This commit is contained in:
Marvin Blum
2015-12-15 23:53:47 +01:00
parent 29804f0d20
commit 4dfa2ee3ef
2 changed files with 53 additions and 21 deletions
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5
src/parser/parser_helper.go
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@@ -1,6 +1,7 @@
package parser
import (
"errors"
"strconv"
"tokenizer"
)
@@ -38,7 +39,7 @@ func (c *Compiler) accept(token string) bool {
// Throws if current token does not match expected one.
func (c *Compiler) expect(token string) {
if !c.tokenEqual(token, c.get()) {
panic("Parse error, expected '" + token + "' but was '" + c.get().Token + "' in line " + strconv.Itoa(c.get().Line) + " at " + strconv.Itoa(c.get().Column))
panic(errors.New("Parse error, expected '" + token + "' but was '" + c.get().Token + "' in line " + strconv.Itoa(c.get().Line) + " at " + strconv.Itoa(c.get().Column)))
}
c.next()
@@ -62,7 +63,7 @@ func (c *Compiler) next() {
// Returns current token or throws, if no more tokens are available.
func (c *Compiler) get() tokenizer.Token {
if c.tokenIndex >= len(c.tokens) {
panic("No more tokens")
panic(errors.New("No more tokens"))
}
return c.tokens[c.tokenIndex]